WorldWideScience

Sample records for technology present status

  1. Present status of foreign reprocessing technology

    International Nuclear Information System (INIS)

    Otagaki, Takao; Ishikawa, Yasusi; Mori, Jyunichi

    2000-03-01

    In considering extensively and evaluating advanced nuclear fuel recycle technologies then selecting credible one among those technology options and establishing practicable plan of future fast reactor fuel recycle technology, it is important to investigate foreign reprocessing information extensively and minutely as much as possible then to know trends of reprocessing technology development in the world and present technology level of each country. This report is intending to present information of the status and the technology of operating, constructing and closed foreign reprocessing facilities in the world, including, mixed oxide (MOX) fuel reprocessing technology. The conceptual study of 'Foreign Reprocessing Technology Database' was also performed in order to add or revise the information easily. The eight countries, France, The U.K., Russia, The U.S., Germany, Belgium, India and China, were studied regarding outline of the facilities, operation status, future plan, technical information of process flow sheet, primary components, maintenance system etc, construction and operating costs, accidents or troubles, decommissioning status. (author)

  2. Present status of laser technology for maintenance and repair

    International Nuclear Information System (INIS)

    Sano, Yuji

    2001-01-01

    A laser has superior spatial and timely controllability and has no repulsive force at its use, it is a tool suitable for remote operation. And, as a partial processing with low exotherm and deformation by its use becomes possible, it can have an advantage omissible for post processes such as heat treatment and so on. Therefore, on in-situ repair of present constructions, laser is thought to be an optimum tool. And, in nuclear energy plants, maintenance and management of their instruments are important, and then a number of technical developments activating its advantages have been carried out. Above all, repair engineering around a reactor has a number of places difficult to access them for its operators, so remote engineering using laser is desired for in special. Here was described on the present status of development and realization containing protect conservation and inspection repair technology using laser. (G.K.)

  3. Present status of some technological activities supporting the MOLCARE project

    Energy Technology Data Exchange (ETDEWEB)

    Torazza, A. [Ansaldo Ricerche S.r.l., Genova (Italy); Rocchini, G. [ENEL, Milano (Italy); Scagliotti, M. [CISE, Milano (Italy)

    1996-12-31

    The development of MCFC stack technology is carried out at Ansaldo Ricerche in the framework of the MOLCARE project, a cooperation with Spanish companies under a partial UE funding, while a specific research program concerning the physico-chemical characterization of materials is performed jointly by CISE and ENEL. The project includes the development, the construction and the testing of a full scale 100 kW prototype, the assessment of stack technology on subscale stacks, the mathematical modelling of the MCFC based plants and the basic researches. The aim of the basic researches, carried out on single cells, is to improve the effectiveness and durability of both the active and the hardware materials. The Ansaldo stack technology is based on external manifolding. The full scale 100 kW prototype will be integrated with the sensible heat reformer and other ancillary equipments according to the {open_quote}Compact Unit (CU){close_quotes} concept. These technical choices stress requirements for manifold gasket configuration. electrolyte migration control, {Delta}p management and porous component compaction.

  4. Moroccan experience in nuclear sciences and technology: Present status

    International Nuclear Information System (INIS)

    El Mediouri, K.

    2001-01-01

    The applications of nuclear technology started in Morocco in the early sixties and were developed particularly in the sectors of Agriculture, Education and Medicine. In the early seventies, these applications were extended to other important sectors such as Industry using gauges and NDT techniques, Mines and Hydrology. But a lack of sufficient and adequate infrastructure has limited the development of these applications. Further more, as Morocco relies totally on foreign imports to meet its energy needs, the option of nuclear power generation started to be considered seriously. This was the initiator of a real national reflection on an integrated program for all peaceful applications of nuclear energy which led to the progressive constitution of an institutional and regulatory frame. In this context, the National Center for Nuclear energy, Sciences and Techniques (CNESTEN), which is a public institution, was created in 1986. Its current programme and future are described in the paper. (author)

  5. Present status and problems of remote systems technology in nuclear industry

    Energy Technology Data Exchange (ETDEWEB)

    1989-02-01

    This reports the activities of Special Committee on Remote Systems Technology, Atomic Energy Society of Japan, during the period from Oct. 1984 to Sep. 1988. The Committee studied and reviewed the present status and problems of remote operation and maintenance in various fields of nuclear industry. Reported items are; reactor operation, reprocessing, nuclear fusion and decommissioning. It also reviews robotics and remote systems tehcnology applied to space and marine development.

  6. Present status and problems of remote systems technology in nuclear industry

    International Nuclear Information System (INIS)

    1989-01-01

    This reports the activities of Special Committee on Remote Systems Technology, Atomic Energy Society of Japan, during the period from Oct. 1984 to Sep. 1988. The Committee studied and reviewed the present status and problems of remote operation and maintenance in various fields of nuclear industry. Reported items are; reactor operation, reprocessing, nuclear fusion and decommissioning. It also reviews robotics and remote systems tehcnology applied to space and marine development. (author)

  7. PRESENT STATUS IN INDIA

    Indian Academy of Sciences (India)

    First page Back Continue Last page Overview Graphics. PRESENT STATUS IN INDIA. FIXED LINES – 36 MILLION. MOBILE CONNECTIONS – 14 MILLION. TELEDENSITY APPROXIMATELY 5. INTERNET CONNECTIONS – 5 MILLION. INTERNET USERS NEARLY – 25 MILLION.

  8. Present status and future challenges of nuclear forensics technology developments in JAEA

    International Nuclear Information System (INIS)

    Kimura, Yoshiki; Shinohara, Nobuo; Okubo, Ayako; Toda, Nobufumi; Funatake, Yoshio; Kataoka, Osamu; Matsumoto, Tetsuya; Watahiki, Masaru; Kuno, Yusuke

    2014-01-01

    Japan Atomic Energy Agency (JAEA) has started a nuclear forensics (NF) technology development project from JFY 2011, according to the National Statement of Japan in Nuclear Security Summit 2010. This paper will present the progress and future prospects of the development project during JFY 2011 to 2013. The project on NF technology in JAEA includes the development of analytical technologies such as isotope and impurity measurements, morphology analysis, age determination technique, and the prototype of nuclear forensics library (NFL) for future national NFL. Some analytical devices were installed for the analytical technology developments, and various uranium materials produced in JAEA facilities at Ningyo-toge have been measured to verify the analytical technologies. A nuclear material database of the prototype NFL was also developed with brief tools of multivariate analysis and image analysis. The implementation of the analytical technologies, the development of advanced analytical technologies and the system improvements of the prototype NFL will be continued from JFY 2014 in JAEA. The national regime and national response plan are remained as a big challenge to establish the national NF capabilities in Japan. (author)

  9. Present Status and Future Growth of Advanced Maintenance Technology and Strategy in US Manufacturing.

    Science.gov (United States)

    Jin, Xiaoning; Weiss, Brian A; Siegel, David; Lee, Jay

    2016-01-01

    The goals of this paper are to 1) examine the current practices of diagnostics, prognostics, and maintenance employed by United States (U.S.) manufacturers to achieve productivity and quality targets and 2) to understand the present level of maintenance technologies and strategies that are being incorporated into these practices. A study is performed to contrast the impact of various industry-specific factors on the effectiveness and profitability of the implementation of prognostics and health management technologies, and maintenance strategies using both surveys and case studies on a sample of U.S. manufacturing firms ranging from small to mid-sized enterprises (SMEs) to large-sized manufacturing enterprises in various industries. The results obtained provide important insights on the different impacts of specific factors on the successful adoption of these technologies between SMEs and large manufacturing enterprises. The varying degrees of success with respect to current maintenance programs highlight the opportunity for larger manufacturers to improve maintenance practices and consider the use of advanced prognostics and health management (PHM) technology. This paper also provides the existing gaps, barriers, future trends, and roadmaps for manufacturing PHM technology and maintenance strategy.

  10. Present status of development of alternative energy technology from environment protection point of view

    International Nuclear Information System (INIS)

    Tanaka, T.

    1992-01-01

    This paper reports that Japan lacks fossil fuel resources. Consequently, almost all fossil fuels are imported from abroad. Therefore, change in international affairs affects on Japan's politics and social life, as learned from experience of economic social life, as learned from experience of economic confusion caused by the oil crisis of 1973. For this reason, research and development (R and D) of alternative energy technologies was initiated in July 1974, which was promoted as one of national energy development programs called Sunshine Project. Presently, their technical developments are being continued to put practical use under this project. However, Japan's dependency of primary energy resources on oil is still high among major advanced countries and energy supply structure is significantly weak. Furthermore, from indetermination of the recent political condition in the Middle East, the importance of security against supply and demand of petroleum in middle and long term is generally recognized with the increasing cost of oil

  11. The present status and perspectives on the development of radiation chemistry and technology in Poland

    International Nuclear Information System (INIS)

    Kroh, J.; Rosiak, J.; Wolszczak, M.; Bobrowski, K.; Chmielewski, A. G.; Zimek, Z.; Forys, M.; Kalecinski, J.

    2001-01-01

    Having in mind the world research trends in the field of radiation chemistry and technology, the development of this domain in Poland has been discussed in this report. The condition of apparatus and man power at the Polish scientific institutions and academic centers acting in the above mentioned scientific and technological area has been analyzed. It has been shown that the basic research achievements of national institutions are placing them among the most advanced foreign centers. As to the implemented technological elaborations it may be said that is one of the few high-tech fields in which Poland can compete with the most advanced centers in the world. (author)

  12. Present status and expectations of international cooperation on nuclear technology in Taiwan

    International Nuclear Information System (INIS)

    Wang, Mann-Tchao

    1992-01-01

    The development and international cooperation on nuclear energy in Taiwan started in the early fifties. As one of original signatories for the open-quotes Non-proliferation Treatyclose quotes in the United Nations, the development and international cooperation programs has been positioned, ever since, in the peaceful applications of this new found technology. The first establishment of nuclear facility in Taiwan was an open pool research reactor for educational and research purposes at the National Tsing-Hua University in 1956. Subsequently, a heavy water moderated research reactor, TRR, and 6 units of thermal nuclear power reactors were constructed. Peaceful applications of nuclear energy, in areas of generations, medical diagnosis and treatments, agricultural and industrial services were developed step by step

  13. Present status of dibaryons

    International Nuclear Information System (INIS)

    Locher, M.P.

    1981-01-01

    In the present notes the author tries to assess the situation regarding dibaryons in the various channels with baryon number two, emphasizing the problems and discussing in greater detail the most recent developments since the Versailles Conference. One of the motivations for the present search of B=2 states is the possibility of colored subclusters for systems with six quarks which cannot occur for ordinary baryons or mesons. (Auth.)

  14. Present energy status

    Energy Technology Data Exchange (ETDEWEB)

    Desprairies, P

    1988-04-01

    This paper reviews the past and present situation of the World Oil Market and assumes future trends and possible future evolution. Low oil prices between 1950 and 1973 have contributed to an exceptional growth of oil demand during more than 20 years which was more and more supplied by OPEC. The oil shocks of 1973 and 1979 have dramatically changed this situation. Some of the most important changes have been the emergence of non-OPEC new oil producers, the growth of substitute energies, especially natural gas and nuclear power, on the supply side; and substantial decrease of energy consumption in many industrialized countries which has greatly reduced oil demand to OPEC on the demand side. Today this situation seems somewhat stabilized (after the reversal of world oil prices in 1986) and OPEC is producing around 18 million b/day as against a producing capacity of about 30 million b/day. It is generally considered that in coming years oil prices will remain relatively low (or occasionally even become lower than today) due to excess oil production capacity and relative abundance of other types of energy. However, many experts think that these trends can be reversed when oil supply will more and more concentrate again in the Middle East; but it is hard to say if this will begin in 1995, 2000, 2010.

  15. Present status of CP violation

    International Nuclear Information System (INIS)

    Ng, J.N.

    1989-06-01

    A review of the status of CP violation in kaons is given. Status of our knowledge of quark mixing angles in the standard six quark model is presented. The role Β d o - Βd o transition plays in this study is examined. A comparison of the estimates of CP violation effects from models beyond the standard one is given. Other experiments that have the capability of testing different CP violation models are also discussed. (Author) 35 refs., 6 figs., tab

  16. Present status of processing method

    Energy Technology Data Exchange (ETDEWEB)

    Kosako, Kazuaki [Sumitomo Atomic Energy Industries Ltd., Tokyo (Japan)

    1998-11-01

    Present status of processing method for a high-energy nuclear data file was examined. The NJOY94 code is the only one available to the processing. In Japan, present processing used NJOY94 is orienting toward the production of traditional cross section library, because a high-energy transport code using a high-energy cross section library is indistinct. (author)

  17. RTNS-II: present status

    International Nuclear Information System (INIS)

    Heikkinen, D.W.; Logan, C.M.

    1980-10-01

    The present status of the RTNS-II facility is described and typical operating parameters are given. A brief discussion is given of the methods used in production of the TiT 2 targets as well as their performance and tritium handling at RTNS-II. The various types of non-interactive beam diagnostics presently in use at the neutron sources are outlined. The on-line computer system which provides a time history of an irradiation and records target performance is described. Examples are listed of several representative experimental programs which have been carried out thus far at RTNS-II. These include both active and passive experiments. Finally, several of the major improvements to the facility made since the beginning of the experimental program are given

  18. Present status of technology development on decommissioning and waste management in Nuclear Cycle Backend Directorate. Progress in 2009

    International Nuclear Information System (INIS)

    Takahashi, Kuniaki; Ishigami, Tsutomu; Funabashi, Hideyuki; Meguro, Yoshihiro; Tachibana, Mitsuo

    2010-11-01

    It is an important issue to take measures against the matters on decommissioning of retired nuclear facilities and management of low-level radioactive waste arising from research activities and operation of nuclear facilities, and the measures must be taken with rational way by ensuring the safety. As the development, improvement, and proper deployment of technologies will be key factors, a technology development program is under way in Nuclear Cycle Backend Directorate taking account of these matters in cooperation with research and development institutes/centers in Japan Atomic Energy Agency. The technology development items are selected from the viewpoints of systematic implementation of measures and cost reduction; these include the development of computer systems for planning and evaluation of decommissioning programs, supercritical CO 2 fluid leaching method for decontamination, nitrate-ion degradation method, simple and rapid determination method for radioactivity of radioactive waste, safety assessment for waste disposal and so on. This report describes outline and progress of the technology development program conducted in FY2009 by the research and development unit. (author)

  19. OVERVIEW OF THE HISTORY, PRESENT STATUS, AND FUTURE DIRECTION OF SOLIDIFICATION/STABILIZATION TECHNOLOGIES FOR HAZARDOUS WASTE TREATMENT

    Science.gov (United States)

    Solidification/stabilization (S/S) technology processes are currently being utilized in the United States to treat inorganic and organic hazardous waste and radioactive waste. These wastes are generated from operating industry or have resulted from the uncontrolled management of ...

  20. Status of fusion technology

    International Nuclear Information System (INIS)

    Mohan, Ashok

    1978-01-01

    The current status of fusion technology is surveyed. Limited reserves of fossil fuel and dangers of proliferation from nuclear reactors have brought into focus the need to develop an optional energy source. Fusion is being looked upon as an optional energy source which is free from environmental hazards unlike fossil fuels and nuclear reactors. Investments in R and D of fusion energy have increased rapidly in USA, Japan, USSR and European countries. Out of the various fusion fuels known, a mixture of D and T is widely chosen. The main problem in fusion technology is the confinement of plasma for a time sufficient to start the fusion reaction. This can be done magnetically or inertially. The three approaches to magnetic confinement are : (1) tokamak, (2) mirror and (3) pinch. Inertial confinement makes use of lasers or electron beams or ion beams. Both the methods of confinement i.e. magnetic and inertial have problems which are identified and their nature is discussed. (M.G.B.)

  1. Present status of Tokamak research

    International Nuclear Information System (INIS)

    Basu, Jayanta

    1991-01-01

    The scenario of thermonuclear fusion research is presented, and the tokamak which is the most promising candidate as a fusion reactor is introduced. A brief survey is given of the most noteworthy tokamaks in the global context, and fusion programmes relating to Next Step devices are outlined. Supplementary heating of tokamak plasma by different methods is briefly reviewed; the latest achievements in heating to fusion temperatures are also reported. The progress towards the high value of the fusion product necessary for ignition is described. The improvement in plasma confinement brought about especially by the H-mode, is discussed. The latest situation in pushing up Β for increasing the efficiency of a tokamak is elucidated. Mention is made of the different types of wall treatment of the tokamak vessel for impurity control, which has led to a significant improvement in tokamak performance. Different methods of current drive for steady state tokamak operation are reviewed, and the issue of current drive efficiency is addressed. A short resume is given of the various diagnostic methods which are employed on a routine basis in the major tokamak centres. A few diagnostics recently developed or proposed in the context of the advanced tokamaks as well as the Next Step devices are indicated. The important role of the interplay between theory, experiment and simulation is noted, and the areas of investigation requiring concerted effort for further progress in tokamak research are identified. (author). 17 refs

  2. Source rock hydrocarbons. Present status

    International Nuclear Information System (INIS)

    Vially, R.; Maisonnier, G.; Rouaud, T.

    2013-01-01

    This report first presents the characteristics of conventional oil and gas system, and the classification of liquid and gaseous non conventional hydrocarbons, with the peculiar case of coal-bed methane. The authors then describe how source rock hydrocarbons are produced: production of shale oils and gases (horizontal drilling, hydraulic fracturing, exploitation) and of coal-bed methane and coal mine methane. In the next part, they address and discuss the environmental impact of source rock hydrocarbon production: installation footprint, water resource management, drilling fluids, fracturing fluids composition, toxicity and recycling, air pollution, induced seismicity, pollutions from other exploitation and production activities. They propose an overview of the exploitation and production of source rock gas, coal-bed gas and other non conventional gases in the world. They describe the current development and discuss their economic impacts: world oil context and trends in the USA, in Canada and other countries, impacts on the North American market, on the world oil industry, on refining industries, on the world oil balance. They analyse the economic impacts of non conventional gases: development potential, stakes for the world gas trade, consequence for gas prices, development opportunities for oil companies and for the transport sector, impact on CO 2 emissions, macro-economic impact in the case of the USA

  3. Present status of the SRRC Project

    International Nuclear Information System (INIS)

    Chang, C.; Cheng, K.C.; Liu, Y.C.; Tseng, P.K.

    1985-01-01

    Upon the recommendation of the overseas Chinese scholars and the feasibility study group organized by the National Science Council, the government approved the establishment of the Synchrotron Radiation Research Center (SRRC) on July 9, 1983. The main goal of the SRRC project is to construct and operate an up-to-date 1 GeV synchrotron radiation source, with three beam lines for general experiments, in five to six years; to provide local scientists and returned scientists from abroad a facility to carry out frontier researches in both basic and applied science; and to elevate the technological capabilities of the related industries, universities, and research institutes through the construction of the machine. The background and present status of the project are discussed

  4. The present status of software engineering

    CERN Document Server

    Pressman, Roger S

    1991-01-01

    In this seminar, we will discuss the present status and future directions of software engeneering and CASE. Key topics to be discussed include: new paradigms for software engineering; software metrics; process assessment; the current state of analysis and design methods; reusability and re-engineering; formal methods. Among the questions to be answered are: How will software engineering change as the 1990s progress? What are the "technology drivers"? What will analysis, design, coding, testing, quality assurance and software management look like in the year 2000? How will CASE tools evolve in the 1990s and will they be as "integrated" as many people believe? How can you position your Organization to accommodate the coming changes?

  5. Status of thorium technology

    International Nuclear Information System (INIS)

    Garg, R.K.; Raghavan, R.V.; Karve, V.M.; Narayandas, G.R.

    1977-01-01

    Although a number of studies have been conducted in various countries to evolve reactor systems based on thorium fuel cycle, its use, so far, is limited to only a few reactors. However, for countries having large reserves of thorium, its utilization is of great significance for their nuclear power programmes. Reasonably assured world resources of thorium in the lower price range have been estimated at more than 500,000 tons of ThO 2 . While most of these resources are in placer deposits in various parts of the world, some vein deposits and uranium ores are other important sources of thorium. Monazite, the most important mineral of thorium, is found in the beach sand deposits along with other heavy minerals like ilmenite, rutile, zircon, and sillimanite etc. Mining of these deposits is usually carried out by suction dredging and separation of monazite from other minerals is effected by a combination of magnetic, electrostatic and gravity separation techniques. Chemical processing of monazite is carried out either by sulphuric acid or caustic treatment, followed by separation of the rare earths and thorium by partial precipitation or leaching. The thorium concentrate is further processed to obtain mantle grade thorium nitrate by chemical purification steps whereas solvent extraction using TBP is adopted for making nuclear-grade material. The purified thorium nitrate is converted to the oxide usually by precipitation as oxalate followed by calcination. The oxide is reduced directly with calcium or converted to the chloride or fluoride and then reduced by calcium or magnesium to obtain thorium metal. Various fuel designs based on the metal or its alloys, mixed oxides or carbides, and dispersed type fuel elements have been developed and accordingly, different fabrication techniques have been employed. Work on irradiation of thorium containing fuel elements and separation of U 233 is being carried out. This paper reviews the status of thorium technology in the world with

  6. Present status of radiation utilization in Thailand

    International Nuclear Information System (INIS)

    Chongkum, S.

    1994-01-01

    Present development of radiation utilization in Thailand covers two main areas, i.e. (1) production and utilization of radioisotopes and (2) radiation processing and technology. Radioisotope production from 2 megawatts Thai Research Reactor (TRR1/M1) is being studied, directed toward expanding the varieties of radioisotopes, improvement of quality, and technological development on quantity producing to meet the total national needs. However a large amount of radioisotopes is also imported mainly for industrial and medical applications. Radioisotopes and radiations are utilized in nuclear medicine for diagnosis and therapy from 30 hospitals and institutions. X-ray photographing, X-ray computer tomography and others are typical use for medical examination purposes, while Co-60 gamma rays and electron beam are in used for curing. Since 1972, Thailand has been participated to the IAEA/RCA Industrial Project, through the liaison of the Office of Atomic Energy for Peace (OAEP), and increases the awareness of industry to the economic benefits through the uses of nuclear technology. More than 60 companies are using radioisotopes for gauging, examination purposes and production controls, while these radioisotopes are mostly imported. Nuclear techniques in agriculture are addressed concerns with optimizing fertilizer application, determination soil-water-nitrogen fixation relationships, improving animal health and reproduction, measurement of toxic residues, appropriated food preservation techniques and breeding plant for better yield and disease resistance. The eradication of fruit flies by Sterile Insect Technique (SIT) with gamma rays has been successfully applied in northern and middle part of Thailand. The progress and present status of radiation utilization and processing in Thailand will be introduced. (author)

  7. Loose-parts monitoring: present status of the technology, its implementation in U.S. reactors, and some recommendations for achieving improved performance

    International Nuclear Information System (INIS)

    Kryter, R.C.; Ricker, C.W.; Jones, J.E.

    1977-01-01

    An assessment of the technical development status of loose-parts monitoring systems (LPMS) and their performance record to data in commercial light-water-cooled nuclear reactor plants was made during the spring of 1977, using an on-site personal interview and equipment demonstration approach. The study revealed that while presently demonstrated LPMS technology does indeed provide a capability for detecting the presence of those relatively massive loose parts that would likely constitute a serious operational or safety hazard to the plant, it unfortunately affords little information useful to the determination of the parts' safety significance and has not yet attained the levels of sophistication and reliability ordinarily associated with safety systems. A definite need was found for specification of the functional requirements for LPMS, in the form of a clear and comprehensive statement of NRC policy regarding the formulation and implementation of safety-oriented, yet operationally practicable, loose-parts monitoring programs for both existing and future nuclear generating stations so that overall objectives of both the utilities and the regulatory agency might be satisfied simultaneously

  8. Present status and physics prospects of SSC

    International Nuclear Information System (INIS)

    Sugimoto, Shojiro

    1990-01-01

    Physics prospects of Superconducting Super Collider (SSC) are discussed, referring to other coming colliders. In addition, the present status of the SSC project and detector proposals for the experiments are described. (author)

  9. Fusion technology status and requirements

    International Nuclear Information System (INIS)

    Thomassen, K.I.

    1982-01-01

    This paper summarizes the status of fusion technology and discusses the requirements to be met in order to build a demonstration fusion plant. Strategies and programmatic considerations in pursuing engineering feasibility are also outlined

  10. The present status of artificial intelligence for nuclear power plants

    International Nuclear Information System (INIS)

    Suda, Kazunori; Yonekawa, Tuyoshi; Yoshikawa, Shinji; Hasegawa, Makoto

    1999-03-01

    JNC researches the development of distributed intelligence systems at autonomous plants and intelligent support system at nuclear power plant. This report describes the present status of artificial intelligence (AI) technologies for this research. The following are represented in this report: present research study for AI, Implementation of AI system and application of AI technologies in the field of industries, requirement for AI by industries, problems of social acceptance for AI. A development of AI systems has to be motivated both by current status of AI and requirement for AI. Furthermore a problem of social acceptance for AI technologies has to be solved for using AI systems in society. (author)

  11. Present status of space nuclear reactor

    International Nuclear Information System (INIS)

    Kaneko, Yoshihiko

    1996-01-01

    USA and former USSR led space development, and had the experience of launching nuclear reactor satellites. In USA, the research and development of space nuclear reactor were advanced mainly by NASA, and in 1965, the nuclear reactor for power source ''SNAP-10A'' was launched and put on the orbit around the earth. Thereafter, the reactor was started up, and the verifying test at 500 We was successfully carried out. Also for developing the reactor for thermal propulsion, NERVA/ROVER project was done till 1973, and the technological basis was established. The space Exploration Initiative for sending mankind to other solar system planets than the earth is the essential point of the future projects. In former USSR, the ground experiment of the reactor for 800 We power source ''Romashka'', the development of the reactor for 10 kWe power source ''Topaz-1 and 2'', the flight of the artificial satellites, Cosmos 954 and Cosmos 1900, on which nuclear reactors were mounted, and the operation of 33 ocean-monitoring satellites ''RORSAT'' using small fast reactors were carried out. The mission of space development and the nuclear reactors as power source, the engineering of space nuclear reactors, the present status and the trend of space nuclear reactor development, and the investigation by the UN working group on the safety problem of space nuclear reactors are described. (K.I.)

  12. Present Status of Odour Management in Malaysia

    International Nuclear Information System (INIS)

    Mohd Nahar Othman

    2014-01-01

    The nuisance odour complaints received by the Department of Environment of Malaysia in 2006 are about 1082 cases. The trend shows that odor problems have become more and more acute every year. The sources of odor complaints come from many types of industries such as animal raring industry, chemical industries, rubber processing industries, municipal solid wastes (MSW), sewage treatment plants, palm oil industries, petroleum industries and etc. There are no specific odour control technology to solve the odour problem in the country. Some of the odour problems became more acute because the sources odour are located in places which are in the living area because lack of space. At the same time, there is no regulation concerning the specific odor parameter stated in the Environment Quality Acts 1974. The Department of Environment had drafted a regulation in order to monitor this problem, relating to the nuisance coming from these industries but until now the regulation still pending. The aim of this paper is to describe the present status of odour problem in Malaysia and the public exception of this problem. (author)

  13. Present status of fusion reactor materials, 4

    International Nuclear Information System (INIS)

    Nagasaki, Ryukichi; Shiraishi, Kensuke; Watanabe, Hitoshi; Murakami, Yoshio; Takamura, Saburo

    1982-01-01

    Recently, the design of fusion reactors such as Intor has been carried out, and various properties that fusion reactor materials should have been clarified. In the Japan Atomic Energy Research Institute, the research and development of materials aiming at a tokamak type experimental fusion reactor are in progress. In this paper, the problems, the present status of research and development and the future plan about the surface materials and structural materials for the first wall, blanket materials and magnet materials are explained. The construction of the critical plasma testing facility JT-60 developed by JAERI has progressed smoothly, and the operation is expected in 1985. The research changes from that of plasma physics to that of reactor technology. In tokamak type fusion reactors, high temperature D-T plasma is contained with strong magnetic field in vacuum vessels, and the neutrons produced by nuclear reaction, charged particles diffusing from plasma and neutral particles by charge exchange strike the first wall. The PCA by improving 316 stainless steel is used as the structural material, and TiC coating techniques are developed. As the blanket material, Li 2 O is studied, and superconducting magnets are developed. (Koko, I.)

  14. Neutrino oscillations: present status and outlook

    International Nuclear Information System (INIS)

    Schwetz, T.

    2005-01-01

    In this talk the present status of neutrino oscillations is reviewed, based on a global analysis of world neutrino oscillation data from solar, atmospheric, reactor, and accelerator neutrino experiments. Furthermore, I discuss the expected improvements in the determination of neutrino parameters by future oscillation experiments within a timescale of 10 years. (author)

  15. Prallethrin Poisoning Presenting as Status Epilepticus

    Directory of Open Access Journals (Sweden)

    D Vijayaraju

    2014-02-01

    Full Text Available Mosquito repellents contain pyrethroid derivatives, as the active ingredient. Data regarding human toxicity following oral intake is limited. This is a case report of an individual who presented with neurotoxicity following oral ingestion of prallethrin (2.4% w/w of a higher concentration present in formulations commercially available than previously. A 22 year old male presented to the emergency Room (ER in status epilepticus. He was managed in the Intensive Care Unit (ICU. No cause for his status could be determined after all laboratory investigations. A review of history with the patient revealed that he had ingested a bottle of liquid mosquito repellent (45 ml. The patient has had no further symptoms on follow up and has been off anti epileptics. Pyrethroid containing mosquito repellents act on neuronal sodium channels causing hyperexcitiability. With no known specific antidotes, symptomatic treatment is the main stay of management.

  16. Present status of HTGR research and development

    International Nuclear Information System (INIS)

    1991-04-01

    The HTTR is a test reactor with thermal output of 30MW and outlet coolant temperature of 950degC, employing the pin-in-block type fuel, and has the capability to demonstrate nuclear process heat utilization using an intermediate heat exchanger. The official construction of the HTTR facility is scheduled to start on March 15, 1991. This publication summarizes the present status of R and D of high temperature gas cooled reactors in JAERI. (J.P.N.)

  17. The INCA project: present status and outlook

    International Nuclear Information System (INIS)

    Aleksandrov, K.V.; Ammosov, V.V.; Chechin, V.A.; Chubenko, A.P.; Erlykin, A.D.; Ladygin, E.A.; Merzon, G.I.; Mukhamedshin, R.A.; Murashov, V.N.; Pavlyuchenko, V.P.; Ryabov, V.A.; Ryazhskaya, O.G.; Saito, T.; Sobolevskii, N.M.; Shchepetov, A.L.; Starkov, N.I.; Trostin, I.S.; Tsarev, V.A.; Wolfendale, A.; Zatsepin, G.T.; Zhdanov, G.B.; Zhukov, A.P.

    2002-01-01

    Scientific objectives, foundations, status, and outlook of the INCA Project are presented. Fundamentally new technique based on the ionization-neutron calorimeter (INCA) and designed to study local nearby sources of high-energy cosmic rays by direct measuring the spectrum and composition of the nuclear component in the 'knee' region and the spectrum of primary electrons in the energy range 0.1-10 TeV with the proton-background suppression factor up to 10 7 is discussed. Experimental data on exposition of the INCA prototypes to electron, pion, and proton beams at various energies and corresponding simulation results are presented. Prospects are considered

  18. Present status of mirror stability theory

    International Nuclear Information System (INIS)

    Baldwin, D.E.; Berk, H.L.; Byers, J.A.

    1976-01-01

    A status report of microinstability as it applies to 2XIIB and MX theory for mirror machines is presented. It is shown that quasilinear computations reproduce many of the parameters observed in the 2XIIB experiment. In regard to large mirror machines, there are presented detailed calculations of the linear theory of the drift cyclotron loss-cone mode, with inhomogeneous geometry and nonlinear diffusive effects. Further, the stability of a mirror machine to the Alfven ion-cyclotron instability is assessed, and the Baldwin-Callen diffusion is estimated for a spatially varying plasma

  19. Present status of nuclear containments in Korea

    International Nuclear Information System (INIS)

    Park, Jihong; Hong, Jaekeun; Lee, Byunghoon; Son, Youngho

    2007-01-01

    Since the first nuclear power plant in Korea, Kori unit no.1, was started in commercial service in 1978, 20 units including Kori unit no.1 have been operated and maintained until now in Korea. Recently several units were started to be constructed and also, additionally more than 4 units were planned to be constructed in the near future. The importance of nuclear containments has been always one of the hottest issues for the safety and protection of nuclear power plants until now. At the beginning of nuclear power plants construction in Korea, several typed nuclear containment systems were adopted. For those reasons, various codes, standards, and inspection technologies are applied to nuclear containment systems differently. In this study, the status of inservice inspection performed for the safety and maintenance of nuclear containments in Korea was researched. Overall nuclear containment systems and inspections performed up to recently in Korea including trends, inspection items, periods, and regulations were described briefly. (author)

  20. Present status of TCA/BR Tokamak

    International Nuclear Information System (INIS)

    Nascimento, I.C.; Galvao, R.M.O.; Tuszel, A.G.

    1997-01-01

    The TCA tokamak is being partially reconstructed and reassembled in the Plasma Laboratory of The University of Sao Paulo, and afterwards it will be named TCA/BR. The first discharges are expected by June/July of next year. The main scientific objectives envisaged for the machine are: Alfven wave heating and current drive, confinement improvement, disruptions and turbulence. In this paper we also describe: (i) the present status of the project; (ii) the diagnostic system; (iii) the control and data acquisition system; (iv) the RF system for the excitation of Alfven waves, that are being developed, and also the results of predictive transport simulations of its performance. (author)

  1. Photonic quantum technologies (Presentation Recording)

    Science.gov (United States)

    O'Brien, Jeremy L.

    2015-09-01

    The impact of quantum technology will be profound and far-reaching: secure communication networks for consumers, corporations and government; precision sensors for biomedical technology and environmental monitoring; quantum simulators for the design of new materials, pharmaceuticals and clean energy devices; and ultra-powerful quantum computers for addressing otherwise impossibly large datasets for machine learning and artificial intelligence applications. However, engineering quantum systems and controlling them is an immense technological challenge: they are inherently fragile; and information extracted from a quantum system necessarily disturbs the system itself. Of the various approaches to quantum technologies, photons are particularly appealing for their low-noise properties and ease of manipulation at the single qubit level. We have developed an integrated waveguide approach to photonic quantum circuits for high performance, miniaturization and scalability. We will described our latest progress in generating, manipulating and interacting single photons in waveguide circuits on silicon chips.

  2. 2016 Annual Technology Baseline (ATB) - Webinar Presentation

    Energy Technology Data Exchange (ETDEWEB)

    Cole, Wesley; Kurup, Parthiv; Hand, Maureen; Feldman, David; Sigrin, Benjamin; Lantz, Eric; Stehly, Tyler; Augustine, Chad; Turchi, Craig; Porro, Gian; O' Connor, Patrick; Waldoch, Connor

    2016-09-13

    This deck was presented for the 2016 Annual Technology Baseline Webinar. The presentation describes the Annual Technology Baseline, which is a compilation of current and future cost and performance data for electricity generation technologies.

  3. Present status of the Penrose inequality

    Energy Technology Data Exchange (ETDEWEB)

    Mars, Marc [Facultad de Ciencias, Universidad de Salamanca, Plaza de la Merced s/n, 37008 Salamanca (Spain)

    2009-10-07

    The Penrose inequality gives a lower bound for the total mass of a spacetime in terms of the area of suitable surfaces that represent black holes. Its validity is supported by the cosmic censorship conjecture, and therefore its proof (or disproof) is an important problem in relation with gravitational collapse. The Penrose inequality is a very challenging problem in mathematical relativity and it has received continuous attention since its formulation by Penrose in the early seventies. Important breakthroughs have been made in the last decade or so, with the complete resolution of the so-called Riemannian Penrose inequality and a very interesting proposal to address the general case by Bray and Khuri. In this review, the most important results on this field will be discussed and the main ideas behind their proofs will be summarized, with the aim of presenting what is the status of our present knowledge in this topic. (topical review)

  4. The present status of artificial rain making

    International Nuclear Information System (INIS)

    Choudhury, A.M.

    1987-11-01

    In this paper a review has been made of the present status of artificial rainmaking. The history of artificial rainmaking goes back to 1946 when Vincent Schaefer of the USA discovered the general principles. During the last 40 years cloud seeding activities have stirred the imagination of scientists all over the world. If this could be carried out in an operational manner, mankind could have solved the problems of drought which threaten many parts of the globe with famine. However, though a lot of progress has been made in cloud physics, an operational rainmaking programme is yet far from reality. In some cases seeding increases the rainfall whereas in other cases a decrease in rainfall has been noticed. It would be necessary to approach the subject more thoroughly and systematically and while making experiments on rainmaking a proper experimental design should be carried out so that the results of such experiments could be evaluated scientifically. (author). 11 refs

  5. Present and future SDHW technology

    DEFF Research Database (Denmark)

    Furbo, Simon

    1998-01-01

    A state of the art for the technology of pumped SDHW systems is given. The potential advantages by utilizing the relatively new low flow principle are described. Experience from laboratory tests of SDHW systems and from measurements on SDHW systems in practice are summarized. The conclusion...... is that the solar tank is the most important component for small SDHW systems from a thermal performance point of view and in many countries also from an economic point of view and that the design of marketed SDHW systems can be strongly improved. Finally, recommendations for future development work on SDHW systems...

  6. CMS: Present status, limitations, and upgrade plans

    International Nuclear Information System (INIS)

    Cheung, H.W.K.

    2011-01-01

    An overview of the CMS upgrade plans will be presented. A brief status of the CMS detector will be given, covering some of the issues we have so far experienced. This will be followed by an overview of the various CMS upgrades planned, covering the main motivations for them, and the various R and D efforts for the possibilities under study. The CMS detector has been working extremely well since the start of data-taking at the LHC as is evidenced by the numerous excellent results published by CMS and presented at this workshop and recent conferences. Less well documented are the various issues that have been encountered with the detector. In the spirit of this workshop I will cover some of these issues with particular emphasis on problems that motivate some of the upgrades to the CMS detector for this decade of data-taking. Though the CMS detector has been working extremely well and expectations are great for making the most of the LHC luminosity, there have been a number of issues encountered so far. Some of these have been described and while none currently presents a problem for physics performance, some of them are expected to become more problematic, especially at the highest Phase 1 luminosities for which the majority of the integrated luminosity will be collected. These motivate upgrades for various parts of the CMS detector so that the current excellent physics performance can be maintained or even surpassed in the realm of the highest Phase 1 luminosities.

  7. Present status of Accelerator-Based BNCT.

    Science.gov (United States)

    Kreiner, Andres Juan; Bergueiro, Javier; Cartelli, Daniel; Baldo, Matias; Castell, Walter; Asoia, Javier Gomez; Padulo, Javier; Suárez Sandín, Juan Carlos; Igarzabal, Marcelo; Erhardt, Julian; Mercuri, Daniel; Valda, Alejandro A; Minsky, Daniel M; Debray, Mario E; Somacal, Hector R; Capoulat, María Eugenia; Herrera, María S; Del Grosso, Mariela F; Gagetti, Leonardo; Anzorena, Manuel Suarez; Canepa, Nicolas; Real, Nicolas; Gun, Marcelo; Tacca, Hernán

    2016-01-01

    This work aims at giving an updated report of the worldwide status of Accelerator-Based BNCT (AB-BNCT). There is a generalized perception that the availability of accelerators installed in hospitals, as neutron sources, may be crucial for the advancement of BNCT. Accordingly, in recent years a significant effort has started to develop such machines. A variety of possible charged-particle induced nuclear reactions and the characteristics of the resulting neutron spectra are discussed along with the worldwide activity in suitable accelerator development. Endothermic (7)Li(p,n)(7)Be and (9)Be(p,n)(9)B and exothermic (9)Be(d,n)(10)B are compared. In addition to having much better thermo-mechanical properties than Li, Be as a target leads to stable products. This is a significant advantage for a hospital-based facility. (9)Be(p,n)(9)B needs at least 4-5 MeV bombarding energy to have a sufficient yield, while (9)Be(d,n)(10)B can be utilized at about 1.4 MeV, implying the smallest possible accelerator. This reaction operating with a thin target can produce a sufficiently soft spectrum to be viable for AB-BNCT. The machines considered are electrostatic single ended or tandem accelerators or radiofrequency quadrupoles plus drift tube Linacs. (7)Li(p,n)(7)Be provides one of the best solutions for the production of epithermal neutron beams for deep-seated tumors. However, a Li-based target poses significant technological challenges. Hence, Be has been considered as an alternative target, both in combination with (p,n) and (d,n) reactions. (9)Be(d,n)(10)B at 1.4 MeV, with a thin target has been shown to be a realistic option for the treatment of deep-seated lesions.

  8. Present status and problems of marine reactor

    International Nuclear Information System (INIS)

    1987-01-01

    The activities of the Research Committee on Marine Reactors are summarized, and the present status of marine reactors on the world is reviewed. The characteristics of marine reactors are discussed, and the prospect and problems of the research and development of an advanced marine reactor in Japan are reported. This Committee was established in fiscal year 1983, when the 'Mutsu' project was going to be on the right track, and the project of developing an advanced marine reactor was advanced. During four years since then, it has carried out the investigation and exchanged opinion about the activities and results of the research in foreign countries and Japan and the problems peculiar to marine reactors, that is, making small size and light weight reactors, the rolling and pitching, vibration and impact of ship hulls, the competitive power against conventional ships and so on. The idea of utilizing atomic energy for ship propulsion preceded that of electricity generation, and it was materialized in 1955 by the submarine 'Nautilus'. Now more than 300 nuclear war ships have been commissioned. Also nuclear merchant ships have been built, but the research and development were interrupted because of their economical efficiency. (Kako, I.)

  9. Present status of iodine research at IPSN

    Energy Technology Data Exchange (ETDEWEB)

    Bardelay, J [IPSN/DPEA/SEAC (France)

    1996-12-01

    Since several years, IPSN has conducted an effort in order to evaluate the release of radioactive iodine in case of hypothetical severe accident in a realistic manner. This source-term evaluation is performed with IODE code which is a module of the EXCADRE system of codes. This code is validated against: -analytical experiments: in these experiments, IPSN studies radiolytic effects and chemical processes in the sump, organic formation, mass transfer, effect of spray (CARAIDAS experiment), - the CAIMAN semi global experiment; this experiment will allow to study the phenomena linked to iodine behavior under representative containment geometry in the presence of painted surfaces and global irradiation, - the PHEBUS FP program. The paper consists to describe succinctly the current status of IODE and the various experiments for its validation. In case of hypothetical severe accident iodine can induce important perturbations of human organism. The effects are principally radiological, in particular on the thyroid. At short term, radioactive iodine is the most important contributor for the sanitary risk. It represents 55% of effective dose and 92% of thyroid dose at 10 km in case of controlled rejects with current assumptions. This is the reason why it must be actively studied. In France, the safety evaluations are performed with mechanistic codes or lumped parameter codes like EXCADRE which contains a module devoted to iodine studies: IODINE. The objective of the French experimental program on iodine is to understand and quantify important phenomena in order to put kinetic parameters in IODE module. The experiments can be classified in analytical experiments, the semi-global experiment CAIMAN which takes into account different phenomena studied in analytical experiments and the global experiment PHEBUS PF, not only devoted to iodine behavior study. In the following text we will present the needs of IODINE code and these different experiments. (author).

  10. Present status of iodine research at IPSN

    International Nuclear Information System (INIS)

    Bardelay, J.

    1996-01-01

    Since several years, IPSN has conducted an effort in order to evaluate the release of radioactive iodine in case of hypothetical severe accident in a realistic manner. This source-term evaluation is performed with IODE code which is a module of the EXCADRE system of codes. This code is validated against: -analytical experiments: in these experiments, IPSN studies radiolytic effects and chemical processes in the sump, organic formation, mass transfer, effect of spray (CARAIDAS experiment), - the CAIMAN semi global experiment; this experiment will allow to study the phenomena linked to iodine behavior under representative containment geometry in the presence of painted surfaces and global irradiation, - the PHEBUS FP program. The paper consists to describe succinctly the current status of IODE and the various experiments for its validation. In case of hypothetical severe accident iodine can induce important perturbations of human organism. The effects are principally radiological, in particular on the thyroid. At short term, radioactive iodine is the most important contributor for the sanitary risk. It represents 55% of effective dose and 92% of thyroid dose at 10 km in case of controlled rejects with current assumptions. This is the reason why it must be actively studied. In France, the safety evaluations are performed with mechanistic codes or lumped parameter codes like EXCADRE which contains a module devoted to iodine studies: IODINE. The objective of the French experimental program on iodine is to understand and quantify important phenomena in order to put kinetic parameters in IODE module. The experiments can be classified in analytical experiments, the semi-global experiment CAIMAN which takes into account different phenomena studied in analytical experiments and the global experiment PHEBUS PF, not only devoted to iodine behavior study. In the following text we will present the needs of IODINE code and these different experiments. (author)

  11. Present status and future prospects of HANARO

    International Nuclear Information System (INIS)

    Chae, Sung-Ki

    1999-01-01

    Korean industry is in the transition from component to basic material production stage, which consequently requires basic science research utilizing neutron beam to support it. The demand for medical radioisotopes is strongly increasing according to the elevation of life standards, which in turn requires very stable supply of short half-lived radioisotopes. Research on these areas is possible through the capabilities provided by horizontal beam tubes and vertical experimental holes of HANARO. The experimental facilities are available not only for in-house research and development groups but also for external user communities in universities, research institutes and industries. And they are open to the international users as well. Utilization of a research reactor will be enhanced through the active development of user programs and the strengthened cooperation between supplier and users of the facility. Most of the worldwide high performance research reactors of the first generation are reaching end of life. Hence the construction of new research reactors and the refurbishment of present ones are very demanding because research reactors continue to be utilized in many areas. Since HANARO is recently constructed with a new design, experiences of design, construction, and commissioning work for the research reactor are valuable for our country and for other countries as well. As more utilization facilities are being designed and installed in the reactor, international cooperation with experienced institutions is important in the course of installation. Sharing experiences will contribute to the advancement of nuclear technologies for international communities. (author)

  12. Present status of radiation education in Bangladesh

    International Nuclear Information System (INIS)

    Ullah, Sana

    1999-01-01

    Radioisotopes and Radiation are being widely used in the fields of agriculture, medicine, industry for the benefit of people throughout the world. At the same time the use of radiation sources can do harm to man and environment. In order to ensure the satiety against radiation hazards and safe use of radiation, proper education, training, knowledge and awareness are essential. Like other achieve economic development through application f count rues Bangladesh is flying to in agriculture, food, industry, power; health or medi of isotopes and radiation technology cine. Basic education about radiation is incorporated in the school curriculum. Courses on radiation are also given in college and university education. Research organizations, universities carry out research and development works on different disciplines using radiation and radioisotopes. Seminars, workshops, conferences, takings on isotopes and radiation are also being organized. In 1993 Government of Bangladesh passed the Nuclear Satiety and Radiation Control Act 1993 for see use of radiation. The present paper win cover the radiation education, research and development works on radiation, applications of radiation in agriculture, medicine and industry, personal safety and radiation protection against radiation hazard and rules and regulations of the nuclear safety and radiation control act practised in Bangladesh. (author)

  13. Primary energy: present status and future perspectives

    Energy Technology Data Exchange (ETDEWEB)

    Thielheim, K O

    1982-01-01

    A survey of the base-load energy sources available to humans is presented, starting from the point of view that all energy used is ultimately derived from nuclear processes within the sun. Specific note is made of European energy options, noting the large dependence on imported oil. Detailed exploration of available nuclear fuel resources is carried out, with attention given to fission, fusion, and breeder reactor plants and to the state-of-the-art and technology for each. The problems of nuclear waste disposal are discussed, and long term burial in salt domes is outlined as a satisfactory method of containing the materials for acceptable periods of time. The CO/sub 2/ greenhouse effect hazards caused by increased usage of coal-derived fuels are considered and precautions to be taken on a global scale to ameliorate the warming effects are recommended. The limitations to hydropower are examined, as are those of tidal power. Solar cells are projected to be produced in GW quantities by the year 2000, while wind-derived electricity is predicted to provide a minimum of 5% of the world energy needs in the future.

  14. Present status of radiation education in Bangladesh

    Energy Technology Data Exchange (ETDEWEB)

    Ullah, Sana [Atomic Energy Centre, Dhaka (Bangladesh)

    1999-09-01

    Radioisotopes and Radiation are being widely used in the fields of agriculture, medicine, industry for the benefit of people throughout the world. At the same time the use of radiation sources can do harm to man and environment. In order to ensure the satiety against radiation hazards and safe use of radiation, proper education, training, knowledge and awareness are essential. Like other achieve economic development through application f count rues Bangladesh is flying to in agriculture, food, industry, power; health or medi of isotopes and radiation technology cine. Basic education about radiation is incorporated in the school curriculum. Courses on radiation are also given in college and university education. Research organizations, universities carry out research and development works on different disciplines using radiation and radioisotopes. Seminars, workshops, conferences, takings on isotopes and radiation are also being organized. In 1993 Government of Bangladesh passed the Nuclear Satiety and Radiation Control Act 1993 for see use of radiation. The present paper win cover the radiation education, research and development works on radiation, applications of radiation in agriculture, medicine and industry, personal safety and radiation protection against radiation hazard and rules and regulations of the nuclear safety and radiation control act practised in Bangladesh. (author)

  15. Present status of radioisotope production in JAERI

    International Nuclear Information System (INIS)

    Yamabayashi, Hisamichi

    1994-01-01

    Since 1962, the technology for producing a wide variety of processed radioisotopes and sealed radiation sources has been developed by using the reactors, JRR-1, JRR-2, JRR-3, JRR-4 and JMTR, and the products have been offered to domestic users. At present, 31 products of 29 nuclides are on the list of processed radioisotopes. Some of those isotopes such as P-32, S-35, Cr-51 and short lived nuclides are produced for regular distribution, but the rest are produced upon request. The radiation sources of Co-60 needles for industrial use, Ir-192 pellets for the nondestructive inspection of pipelines, Gd-153 pellets for the diagnosis of born mineral and seven kinds of brachy therapy Ir-192 and Au-198 grains are produced and distributed regularly. The organic compounds labeled with H-3 and C-14 are widely used. In fiscal year 1992, 34 batches and total amount 12 TBq of processed radioisotopes and 100 batches, 1.2 PBq of radiation sources were produced as scheduled. The development of the techniques for producing the sources emitting high energy β ray used for the diagnosis and treatment of cancer is in progress. The method of producing new isotopes is developed. (K.I.)

  16. Present Status of Inclusive Rare $B$ Decays

    CERN Document Server

    Hurth, Tobias

    2003-01-01

    We give a status report on inclusive rare B decays, highlighting recent developments and open problems. We focus on the decay modes $B \\to X_{s,d} \\gamma$, $ B \\to X_s \\ell^+\\ell^-$ and $B \\to X_s \

  17. Present status of the ETL LINAC facility

    International Nuclear Information System (INIS)

    Suzuki, Ryoichi; Mikado, Tomohisa; Ohgaki, Hideaki

    1993-01-01

    The ETL LINAC has been operated for the beam injection to the storage rings NIJI-II, III, IV, and TERAS, and for the generation of an intense slow positron beam. The status of the ETL LINAC on the operations, the maintenances, and the improvements is described. (author)

  18. A present status for dry storage of spent nuclear fuel

    Energy Technology Data Exchange (ETDEWEB)

    Bang, K. S.; Lee, J. C.; Park, H. Y.; Seo, K. S

    2003-04-01

    National policy for management of a spent nuclear fuel does not establish in Korea yet. A storage capacity of a storage pool that is to store the spent nuclear fuel will be exceeded an amount of accumulation from the first Woljin nuclear power plant in 2007. Therefore it is necessary that dry storage facility is secured to store safely the spent nuclear fuel on site of the nuclear power plant until national policy for a back-end spent nuclear fuel cycle is established. In order to store safely spent nuclear fuel, it is important that the present status and technology on dry storage of spent nuclear fuel is looked over. Therefore, the present status on dry storage of spent nuclear fuel was analyzed so as to develop dry storage system and choose a proper dry storage method domestic.

  19. Present status and future prospect of research reactors

    International Nuclear Information System (INIS)

    Takemi, Hirokatsu

    1996-01-01

    The present status of research reactors more than MW class reactor in JAERI and the Kyoto University and the small reactors in the Musashi Institute of Technology, the Rikkyo University, the Tokyo University, the Kinki University and other countries are explained in the paper. The present status of researches are reported by the topics in each field. The future researches of the beam reactor and the irradiation reactor are reviewed. On various kinds of use of research reactor and demands of neutron field of a high order, new type research reactors under investigation are explained. Recently, the reactors are used in many fields such as the basic science: the basic physics, the material science, the nuclear physics, and the nuclear chemistry and the applied science; the earth and environmental science, the biology and the medical science. (S.Y.)

  20. Croatian repository construction project - present status and main obstacles

    International Nuclear Information System (INIS)

    Kucar Dragicevic, S.; Subasic, D.; Schaller, A.; Lokner, V.; Cerskov Klika, M.

    1999-01-01

    Croatia has been preparing backgrounds for the construction of the repository for low and intermediate radioactive waste on its territory, almost for a decade, now. In the name of Hrvtaska elektroprivreda, the co-owner of the NE Krsko, APO has been co-ordinating and organising numerous activities and projects during that time period. Siting process, safety assessment, disposal technology and repository design and public acceptance issues are the main fields of activities. The overall status of the project at the moment, including the overview of the present status of the main four aspects of activities, will be presented. Relatively, big and important progress made on the project work out during the last two years, as well as the main obstacles we were faced with during that time period, will be discussed.(author)

  1. Workshop summary of 'nuclear knowledge management: Present status and perspective'

    International Nuclear Information System (INIS)

    Yonezawa, Minoru

    2007-03-01

    The workshop on 'Nuclear Knowledge Management (NKM): Present Status and Perspective' was held at the Tokyo Institute of Technology (supported by the Japan Atomic Energy Agency), Tokyo, Japan on the 14th and 15th of December 2006. The purpose of the workshop is to introduce NKM activities inside and outside Japan so that concerned parties/professionals could share related information and enhance awareness of the issues on NKM. Participants from various sectors, such as authorities, industry, universities/research institutes, etc, made presentations. Issues on NKM are recognized and discussed. The workshop consisted of 18 oral lectures and a panel discussion. The 55 participants attended the workshop. Under permission of the Tokyo Institute of Technology which is the sponsor of the workshop, this report compiles these lecture's presentation materials which got permission of a lecturer and synopses which were submitted after the workshop. (author)

  2. Quantum technology past, present, future: quantum energetics (Conference Presentation)

    Science.gov (United States)

    Choi, Sang H.

    2017-04-01

    Since the development of quantum physics in the early part of the 1900s, this field of study has made remarkable contributions to our civilization. Some of these advances include lasers, light-emitting diodes (LED), sensors, spectroscopy, quantum dots, quantum gravity and quantum entanglements. In 1998, the NASA Langley Research Center established a quantum technology committee to monitor the progress in this area and initiated research to determine the potential of quantum technology for future NASA missions. The areas of interest in quantum technology at NASA included fundamental quantum-optics materials associated with quantum dots and quantum wells, device-oriented photonic crystals, smart optics, quantum conductors, quantum information and computing, teleportation theorem, and quantum energetics. A brief review of the work performed, the progress made in advancing these technologies, and the potential NASA applications of quantum technology will be presented.

  3. Present status of R and D for radioactive waste disposal and expectations for civil engineering in advances of their technology in Japan

    International Nuclear Information System (INIS)

    Kawanishi, Motoi; Onishi, Yuzo; Yui, Mikazu

    2005-01-01

    About high-level radioactive waste disposal, the general invitation in a voluntary approach for selection of ''preliminary investigation areas'' which is the 1 st step of the stepwise site selection by Nuclear Waste Management Organization of Japan is started. On the other hand, about low-level radioactive waste disposal, several kinds of investigation for the burial disposal approach of the underground tunnel facility system in about 50-100 m depth below ground surface have been performed for disposing of high βγ radioactive wastes. For carrying forward each disposal project of these radioactive wastes, the integration of the state-of-the-art technology in an interdisciplinary broad research field is indispensable. Especially the role that civil engineering can play in fields, such as investigation, design, development of new materials and performance assessment for underground disposal facility is very large. In this paper, the role and expectation of civil engineering, and the latest trend in the disposal techniques to need an argument to the order of very-long term of longer than 1,000 to 10,000 years which civil engineering have not experienced until now, are described. (author)

  4. Technology status: Batteries and fuel cells

    Science.gov (United States)

    Fordyce, J. S.

    1978-01-01

    The current status of research and development programs on batteries and fuel cells and the technology goals being pursued are discussed. Emphasis is placed upon those technologies relevant to earth orbital electric energy storage applications.

  5. Neutrino Oscillations Present Status and Future Plans

    CERN Document Server

    Thomas, Jennifer

    2008-01-01

    This book reviews the status of a very exciting field - neutrino oscillations - at a very important time. The fact that neutrinos have mass has only been proved in the last few years and the acceptance of that fact has opened up a whole new area of study to understand the fundamental parameters of the mixing matrix. The book summarizes the results from all the experiments which have played a role in the measurement of neutrino oscillations and briefly describes the scope of some new planned experiments. Contributions include a theoretical introduction by Stephen Parke from FNAL, as well as art

  6. Present status of food irradiation in Czechoslovakia

    International Nuclear Information System (INIS)

    Salkova, Z.; Kubin, K.; Stanek, M.; Horacek, P.

    1978-01-01

    Information is supplied on the Czechoslovak Nuclear Programme in the field of food irradiation. The results of irradiating varieties of potatoes predominating in the CSSR, onions and mushrooms are summarized. Attention is also paid to the attitude of the Czechoslovak Health Authorities and to consumer trials. Further tasks towards the introduction of this technology on an industrial scale are discussed. (author)

  7. The Unilac, development and present status

    International Nuclear Information System (INIS)

    Boehne, D.

    1976-01-01

    During the year 1975 the Unilac heavy ion linear accelerator was completed and stepwise put into operation. The paper summarizes the operating experience obtained so far and compares the performance of the different systems and of characteristic technological details on the basis of the original design concepts. (author)

  8. Present status of HTGR research and development

    International Nuclear Information System (INIS)

    1992-08-01

    This report briefly describes the progress of the construction of the High Temperature Engineering Test Reactor (HTTR), Research and Development (R and D) on the advanced technologies for the High Temperature Gas-cooled Reactors (HTGRs) and international cooperation in the Japan Atomic Energy Research Institute (JAERI) in 1991. (J.P.N.)

  9. Radwaste management in the UK - present status and future plans

    International Nuclear Information System (INIS)

    Eyre, B.

    1991-01-01

    In 1976, the Royal Commission on Environmental Pollution, chaired by Lord Flowers, undertook a thorough review of the status of radioactive waste management in the United Kingdom (UK). Its report became the stimulus which launched a new programme of strategic and technical work to establish a total system plan for the processing, storage, transport and disposal of all radioactive wastes in the UK. This article, which describes the evolution of the programme, is the basis of the presentation to the Korean nuclear industry earlier this year by the Deputy Chairman and Chief Executive of AEA Technology. (author)

  10. Opencast coal mining in India: present status and future trends

    Energy Technology Data Exchange (ETDEWEB)

    Khare, B.P. [Kakatiya University, Warangal (India)

    2007-07-01

    This paper discussed the opencast coal mining in India, present status and future trends including technology trends. The opencast coal mines in the coming years will have to switch over more and more to semi continuous and continuous mining. Whatever be the system adopted it should be sustainable to meet the output levels commensurate with environmental protection, safety, health, conservation and economics. It could, therefore, be summed up that the search for new technologies should be based on: (1) use of continuous miners; (2) use of bucket wheel excavators, conveyors, and spreaders; (3) shovel-crusher and conveyor system; and (4) application of high angle conveyors, cross-pit conveyors, and OB bridges. 4 tabs.

  11. Present status of MHTGR program in USA

    International Nuclear Information System (INIS)

    Millunzi, A.

    1990-01-01

    The U.S. Department of Energy (DOE) Modular High-Temperature Gas-Cooled Reactor (MHTGR) program has produced a conceptual design which has been reviewed by the U.S. Nuclear Regulatory Commission (NRC). The results of the review were generally favorable, and the program team has now moved into the preliminary design phase. The program team consists of a nuclear island engineering (NIE) team, an energy conversion area (ECA) team, a design integration organization, and a technology development team. Utility user requirements are provided by a utility organization which also participates in design and programmatic review/evaluations. This paper will review the direction and accomplishments of each participating organization. (author)

  12. Present status of MHTGR program in USA

    International Nuclear Information System (INIS)

    Rittenhouse, P.L.

    1989-01-01

    The U.S. Department of Energy (DOE) Modular High-Temperature Gas-Cooled Reactor (MHTGR) program has produced a conceptual design which has been reviewed by the U.S. Nuclear Regulatory Commission (NRC). The results of the review were generally favorable, and the program team has now moved into the preliminary design phase. The program team consists of a nuclear island engineering (NIE) team, an energy conversion area (ECA) team, a design integration organization, and a technology development team. Utility user requirements are provided by a utility organization which also participates in design and programmatic reviews/evaluations. This paper will review the direction and accomplishments of each participating organization. (orig.)

  13. Present status of radiation processing in Japan

    International Nuclear Information System (INIS)

    Tabata, Y.

    1984-01-01

    Crosslinking of insulating materials including cables, tubes, sheets, pipes and polymer foam, curing of coating, surface treatment and other processes developed recently will be presented. Future prospects in this field will be discussed. (Author) [pt

  14. Plutonium use - present status and perspectives

    International Nuclear Information System (INIS)

    Dievoet, J. van; Fossoul, E.; Jonckheere, E.; Bemden, E. van den

    1977-01-01

    Plutonium is being produced in increasing quantities in the so-called proven reactors, which are mostly of the light-water type. Evaluation of this production on a world scale shows that it would be theoretically possible to construct a large number of breeders and thus to make the best use of the intrinsic qualities of plutonium as a fissionable material, while considerably reducing the consumption of uranium. This source of plutonium is nevertheless dependent on an essential stage of the fuel cycle, namely reprocessing of irradiated fuel. The long delays in installing an adequate world reprocessing capacity are substantially weakening the prospects for the introduction of breeders. Furthermore, the critical situation as regards reprocessing may delay the development of complementary reprocessing methods for fuels with a high plutonium content and high burn-up. When it is recalled that fast reactors themselves may suffer some delay in their technological development, if only because of the intention to build power plants of very high unit capacity immediately, it must be concluded that another use will have to be considered for the plutonium available in future -use in thermal reactors, i.e. recycling. The recycling of plutonium is a well-known technique today and the objections which could be raised against it hardly stand up to analysis. Utilization of plutonium offers an appreciable saving in terms of uranium and separative work units, the consumption being of a low order of magnitude in comparison with the total amount of plutonium needed for the eventual fabrication of the first fast reactor cores. It can also be shown that immediate reprocessing of the recycling fuel is not essential for the economics of the concept. Temporary storage of recycled fuel has the advantage of concentrating plutonium in a particularly safe form, namely in irradiated plutonium-bearing fuel assemblies. Lastly, recycling offers such flexibility that it does not in practice represent

  15. Plutonium use - Present status and prospects

    International Nuclear Information System (INIS)

    Dievoet, J. van; Fossoul, E.; Jonckheere, E.; Bemden, E. van den

    1977-01-01

    The use of plutonium in thermal and fast reactors is a demonstrated, if not proven, technology. Moreover, plutonium is being produced in increasing quantities. Evaluation of this production on a world scale shows that it would be theoretically possible to construct numerous breeders and thus to make the best use of plutonium, while considerably reducing uranium consumption. This source of plutonium is nevertheless dependent on the reprocessing of irradiated fuel. Long delays in installing and adequate world reprocessing capacity are weakening the prospects for introducing breeders. Furthermore, the critical situation regarding reprocessing may delay the development of complementary reprocessing methods for fuels with a high plutonium content and high burnup. The recycling of plutonium is now a well-known technique and any objections to it hardly bear analysis. Utilization of plutonium offers an appreciable saving in terms of uranium and separative work units; and it can also be shown that immediate reprocessing of the recycling fuel is not essential for the economics of the concept. Temporary storage of recycled fuel is a particularly safe form of concentrating plutonium, namely in irradiated plutonium-bearing fuel assemblies. Finally, recycling offers such flexibility that it represents no obstacle to fuel management at power plants with light-water reactors. These strategic considerations imply that the technology of using plutonium for fabricating thermal or fast reactor fuels is both technically reliable and economically viable. The methods used in industrial facilities are fully reassuring in this respect. Although various unsolved problems exist, none seems likely to impede current developments, while the industrial experience gained has enabled the economics and reliability of the methods to be improved appreciably. Apart from the techno-economic aspects, the plutonium industry must face extremely important problems in connection with the safety of personnel

  16. IAEA Safeguards: Present status and experience gained

    International Nuclear Information System (INIS)

    Thorne, L.; Buechler, C.; Haegglund, E.

    1983-01-01

    IAEA safeguards are at the present under critical review with regard to their purpose and effectiveness. This paper describes the development of the IAEA Safeguards System from the early days, when procedures were developed on an ad hoc basis, to the present day. The development of State Systems of Accounting for and Control of Nuclear Material (SSAC), and of sophisticated instrumentation, has been necessary to deal with the rapid growth in the quantities of nuclear material and in the number of facilities under safeguards. The paper also discusses some of the managerial and organizational issues that are inherent in such a large international inspectorate. (author)

  17. Present status of TIARA electrostatic accelerator facility

    Energy Technology Data Exchange (ETDEWEB)

    Tajima, Satoshi; Takada, Isao; Mizuhashi, Kiyoshi; Saito, Yuichi; Uno, Sadanori; Okoshi, Kiyonori; Ishii, Yasuyuki; Nakajima, Yoshinori; Sakai, Takuro [Japan Atomic Energy Research Inst., Takasaki, Gunma (Japan). Takasaki Radiation Chemistry Research Establishment

    1996-12-01

    The electrostatic accelerator, 3 MV tandem accelerator, 3 MV single end accelerator and 400 kV ion implantation equipment, which were installed in Takasaki Ion Irradiation Research Facility (TIARA) of Japan Atomic Energy Research Institute, have been used for the research on the advanced utilization of radiation mainly in material science by ion beam. The utilization is open to other researchers, and in fiscal year 1995, about 40% was the utilization by outsiders. The number of the experimental subjects adopted in fiscal year 1995 was 47, and the fields of research were space and environment materials, nuclear fusion reactor materials, new functional materials, biotechnology and base technology. The operation time in fiscal year 1995 was 1201, 1705 and 1505 hours for the tandem accelerator, single end accelerator and ion implantation equipment, respectively. The methods of experiment are reported. The troubles occurred in the tandem accelerator and single end accelerator are reported. As the diversification of beam utilization in the tandem accelerator, the utilizations of high energy molecular ions, low energy negative ions, multivalent ions by post stripper and low intensity ions by mesh attenuator have been attempted. These utilizations are described. (K.I.)

  18. Present status of the European Community's Fusion Materials Programme

    International Nuclear Information System (INIS)

    Nihoul, J.; Boutard, J.L.

    1990-01-01

    The Fusion Materials Programme of the European Communities is largely focused on the next step in the European strategy towards fusion energy development, i.e. on NET, the Next European Torus. The main objectives and operating conditions of NET are therefore first briefly presented. A review is then given of the present status of our knowledge regarding the main metallic structural materials envisaged for the first wall/blanket and for the divertor plates. Attention is paid to the need for longer term research and development towards low activation structural materials to be used in a post-NET Demonstration Reactor. Finally, a survey is presented of the current European Fusion Technology Programme devoted to the various candidate structural and protection materials for fusion devices. (author)

  19. The Transuranium Elements - Present Status: Nobel Lecture

    Science.gov (United States)

    Seaborg, G. T.

    1951-12-12

    The discovery of the transuranium elements and the work done on them up to the present time are reviewed. The properties of these elements, their relationship to other elements, their place in the periodic table, and the possibility of production and identification of other transuranium elements are discussed briefly.

  20. Present status of NCS in France

    International Nuclear Information System (INIS)

    Boutaine, J.L.

    2000-01-01

    About 3700 industrial plants are presently using nucleonic gauges for various aspects of production quality. The major industrial end users are oil and gas industry, coal and mineral ore processing, paper and plastic industries. New development in nucleonic instrumentation and processing software is going on. (author)

  1. Solar neutrino results and present status

    International Nuclear Information System (INIS)

    Gorbachev, V.V.; Abdurashitov, J.N.; Gavrin, V.N.; Girin, S.V.; Gurkina, P.P.; Ibragimova, T.V.; Kalikhov, A.V.; Khairnasov, N.G.; Knodel, T.V.; Mirmov, I.N.; Shikhin, A.A.; Veretenkin, E.P.; Vermul, V.M.; Yants, V.E.; Zatsepin, G.T.; Bowles, T.J.; Teasdale, W.A.; Cherry, M.L.; Cleveland, B.T.; Elliott, S.R.

    2002-01-01

    The solar neutrino capture rate measured by the Russian-American Gallium Experiment on a metallic gallium target SAGE during the time from January 1990 through December 2000 is 77.0 +6.2 -6.2 +3.5 -3.0 SNU, where the uncertainties are statistical and systematic, respectively. The experimental procedures and data analysis are presented

  2. Status quo of supply technology

    Energy Technology Data Exchange (ETDEWEB)

    Noda, Shigeo

    1987-09-01

    Problems for gas supply function, activity of the Gas Association, and technological development mainly of the presented subjects are reported. According to the materials released by the Gas Associattion, demands for city gas by the 21st Century is expected to be rather high with 3.6% annual growth rate. It is premissed on an assumption that the superior quality of the city gas satisfying customer requirements would be further upgraded. The problems confronted by the supply function for this purpose are the pursuit for less cost, improvement in security, and stable gas supply. The Gas Association carried out research, investigation, preparation of standards, etc., and published instructive materials such as guide for main and branch piping, guide for supply piping, technical standards for gas related works, etc. It also has been endeavoring to popularize the use of polyethylene pipies, and studying the evaluation method for the renewal and repair of gas conduits and house regulator supply system, etc. The supply function has been working on the cutting dowm of costs, inprovement in security, and developing technologies such as underground probing radar, inteligent pipe locator, identifier for gas and water supply tubes, estimation of ground subsidence, inspection of inside of pipes by a television camera, etc. (1 tab)

  3. Quantitative possibility analysis. Present status in ESCA

    International Nuclear Information System (INIS)

    Brion, D.

    1981-01-01

    A short review of the recent developments in quantification of X-ray photoelectron spectroscopy or ESCA is presented. The basic equations are reminded. Each involved parameter (photoionisation, inelastic mean free paths, 'response function' of the instruments, intensity measurement) is separately discussed in relation with the accuracy and the precision of the method. Other topics are considered such as roughness, surface contamination, matrix effect and inhomogeneous composition. Some aspects of the quantitative ESCA analysis and AES analysis are compared [fr

  4. Present status of the Zavratec remediation project

    International Nuclear Information System (INIS)

    Zeleznik, N.; Stepisnik, M.; Mele, I.

    1997-01-01

    In 1992 the responsibility for the remediation of the temporary storage of radioactive waste near Zavratec was assigned to the Agency for Radwaste Management. The project was divided into two phases. First, in a study, different options for remediation were considered. In the second phase, performed in 1996, the measurements, inventorying and repacking of radioactive waste were carried out. Simultaneously with these activities a programme for covering public relations was prepared. One of the results of the public relation campaign is also a 15-minute video film, which was prepared from documentary material recorded during remedial activities, and will be presented here. (author)

  5. Present status of PIK gadolinium control

    International Nuclear Information System (INIS)

    Petrov, Yu.V.; Garusov, E.A.; Shustov, V.A.

    1994-01-01

    A liquid control element (LCE) containing a water solution of gadolinium nitrate Gd(NO 3 ) 3 was originally planned for use at the PIK reactor for partial compensation of poisoning and fuel burnup [1-3]. However, a further analysis has shown that quick forcing-out, boiling up or flowing-out of the absorbing solution (though of low probability) can lead to the dangerous prompt overcriticality of the reactor. The results of the analysis are presented as well as the upper limit of the reactivity, quick insertion of which still is safe for the reactor (J.P.N.)

  6. Present status and prospect of copper radiopharmaceuticals

    International Nuclear Information System (INIS)

    Chen Huawei; Li Hongfeng; Liu Boli

    1996-01-01

    In the past decade most of the efforts of copper radiopharmaceuticals research has been focused on bis(thiosemicarbazonato) copper complexes for use in myocardial and brain imaging agents. In the present work, the analogs of bis(thiosemicarbazone) is studied in labeling antibodies and tumors. The retention mechanism of Cu-PTSM is investigated. Other kinds of ligands, BAT (N 2 S 2 ) for example, can be used to prepare neutral copper complexes in order to obtain brain radiopharmaceuticals in future. (60 refs.)

  7. Present status of uranium extraction from seawater

    International Nuclear Information System (INIS)

    Kusakabe, Katsuki; Morooka, Shigeharu

    1993-01-01

    For the research on the extraction of uranium from seawater, various processes have been examined, but the most promising process is adsorption. Its key point is the performance of the adsorbent. The system as compact as possible, in which a large quantity of seawater effectively contacts with the adsorbent, must be constructed economically. As the inorganic adsorbent, titanium oxide is the best, but organic amidoxime is superior to it. The present state of the development of the adsorbent, the rate of adsorption of the adsorbenbt, the seawater uranium adsorption system and the experiment in Imari Bay are reported. (K.I.)

  8. Present status of laser fusion fuel pellet

    International Nuclear Information System (INIS)

    Nakai, Sadao; Mima, Kunioki; Norimatsu, Takayoshi; Takagi, Masaru.

    1986-01-01

    Accompanying the advance of pellet implosion experiment, the data base required for fuel pellet design has been steadily accumulated. The clarification of the physics related to the process of absorbing laser beam, energy transport, the generation of ablative pressure, the hydrodynamic mechanism of implosion, the energy transmission to fuel core and so on progressed, and the design data supported by these results are prepared. Based on the data base like this, the design of fuel pellets taking the optimization of implosion in consideration is carried out. The various fuel pellets designed in this way are tested for their effectiveness by implosion experiment. For this purpose, the high performance measurement of implosion and the high accuracy manufacture of fuel pellets become very important. In this paper, the present state of the research on the method of laser implosion, the example of pellet design and the law of proportion, the manufacturing techniques of the fuel pellets having various structures, the techniques dealing with tritium and so on is summarized, and the direction of future research and development is ascertained. At present, implosion experiment is carried out mostly by hanging a pellet target with a fiber of several μm diameter, but the fiber impairs the symmetry of implosion. The levitation techniques without contact is required. (Kako, I.)

  9. The present status of safeguards in Turkey

    International Nuclear Information System (INIS)

    Yilmazer, A.; Yuecel, A.

    2001-01-01

    Republic of Turkey signed Non-Proliferation Treaty (NPT) in Vienna, Austria on January 28, 1969 and the Treaty was ratified by Turkish Parliament on March 29, 1979. International Atomic Energy Agency (IAEA) and Republic of Turkey signed the Safeguards Agreement on June 30, 1981. Turkey accepted the international safeguards administered by IAEA and at the same time its subsidiary arrangements and Facility attachments were enforced for all nuclear facilities as an Non-Nuclear-Weapon State party to NPT. Regulation on Nuclear Materials Accounting and Control, which was prepared in accordance with Agreement Between the Government of Turkey and IAEA for the application of Safeguard in Connection with the Treaty on NPT, has been put into force since it was published in Official Gazette on September 10, 1997. This study presents the essential futures of national system of accounting for and control of nuclear materials in Turkey

  10. Present status of the KISS project

    Science.gov (United States)

    Miyatake, H.; Wada, M.; Watanabe, X. Y.; Hirayama, Y.; Schury, P.; Ahmed, M.; Ishiyama, H.; Jeong, S. C.; Kakiguchi, Y.; Kimura, S.; Moon, J. Y.; Mukai, M.; Oyaizu, M.; Park, J. H.

    2018-04-01

    KISS project aims at finding an astrophysical condition for synthesizing r-process heavy element isotopes, which are characterized as the third peak in the solar abundance pattern. This is an experimental challenge in nuclear physics to measure ground and isomeric state properties of unknown nuclei around the region of N=126 isotones. So far we have constructed and developed new type of mass separation system, KISS (KEK Isotope Separation System) and performed measurements of lifetimes and hyperfine structures of some platinum and iridium neutron-rich radioactive isotopes by applying multi-nucleon transfer reactions and in-gas laser ionization and spectroscopy (IGLIS) methods. In this report, recent physics results, updated KISS performance, and future's research plan including a challenge of a systematic mass measurement with MRTOF (Multi-Reflection Time-Of-Flight mass spectrograph) are presented.

  11. Recent Developments and Present Status of Telepathology

    Directory of Open Access Journals (Sweden)

    K. Kayser

    2000-01-01

    Full Text Available Telepathology which is the diagnostic work of a pathologist at a distance has been developed to routine application within the last ten years. It can be classified in relation to application, technical solutions, or performance conditions. Diagnostic pathology performance distinguishes primary diagnosis (for example, frozen section statement from secondary diagnosis (for example, expert consultation and quality assurance (diagnostic accuracy, continuous education and training. Applications comprise (a frozen section service; (b expert consultations; (c remote control measurements; and (d education and training. The technical solutions distinguish active (remote control, live imaging systems from passive (conventional microscope handling, static imaging, and the performance systems with interactive (on‐line, live imaging use from those with passive (off‐line, static imaging practice. Intra‐operative frozen section service is mainly performed with remote control systems; whereas expert consultations and education/training are commonly based upon Internet connections with static imaging in an off‐line mode. The image quality, transfer rates, and screen resolution of active and passive telepathology systems are sufficient for an additional or primary judgment of histological slides and cytological smears. From the technical point of view, remote control telepathology requires a fast transfer and at least near on‐line judgement of images, i.e., image acquisition, transfer and presentation can be considered one performance function. Thus, image size, line transfer rate and screen resolution define the practicability of the system. In expert consultation, the pixel resolution of images and natural color presentation are the main factors for diagnostic support, whereas the line transfer rate is of minor importance. These conditions define the technical compartments, especially size and resolution of camera and screen. The performance of

  12. Present Status of GNF New Nodal Simulator

    International Nuclear Information System (INIS)

    Iwamoto, T.; Tamitani, M.; Moore, B.

    2001-01-01

    This paper presents core simulator consolidation work done at Global Nuclear Fuel (GNF). The unified simulator needs to supercede the capabilities of past simulator packages from the original GNF partners: GE, Hitachi, and Toshiba. At the same time, an effort is being made to produce a simulation package that will be a state-of-the-art analysis tool when released, in terms of the physics solution methodology and functionality. The core simulator will be capable and qualified for (a) high-energy cycles in the U.S. markets, (b) mixed-oxide (MOX) introduction in Japan, and (c) high-power density plants in Europe, etc. The unification of the lattice physics code is also in progress based on a transport model with collision probability methods. The AETNA core simulator is built upon the PANAC11 software base. The goal is to essentially replace the 1.5-energy-group model with a higher-order multigroup nonlinear nodal solution capable of the required modeling fidelity, while keeping highly automated library generation as well as functionality. All required interfaces to PANAC11 will be preserved, which minimizes the impact on users and process automation. Preliminary results show statistical accuracy improvement over the 1.5-group model

  13. Present status of LAM-80ET

    International Nuclear Information System (INIS)

    Izumi, Y.

    1990-01-01

    The present report briefly describes major aspects of a quasielastic neutron scattering spectrometer installed at KEK (National Laboratory for High Energy Physics, Japan). It is a latticed array mirror (LAM) spectrometer for measuring the neutron TOF which employs the KENS spallation cold neutron source and crystal analyzer mirror. This spectrometer is a very useful device to study diffusive motion or the relaxation process in molecular science and in many other fields. By measuring the quasielastic neutron scattering, one can obtain useful information for the analysis of temporal and spatial properties of atoms and molecules which are in random motion with a characteristic time of 10 -12 to 10 -9 seconds. The report then outlines major design considerations and some details of down-scattering crystal spectrometer LAM-80ET which uses a mica analyzer. Its configuration is shown and discussed. The LAM-80ET spectrometer incorporates a LAM-type analyzer mirror. Its performance is then outlined focusing on its resolution. The LAM-80ET spectrometer has demonstrated a satisfactory performance particularly in tunneling study of N-oxy γ picoline. Usefulness of the 20 K methane pulsed cold source has also been demonstrated. (N.K.)

  14. Status of radiation-based measurement technology

    International Nuclear Information System (INIS)

    Moon, B. S.; Lee, J. W.; Chung, C. E.; Hong, S. B.; Kim, J. T.; Park, W. M.; Kim, J. Y.

    1999-03-01

    This report describes the status of measurement equipment using radiation source and new technologies in this field. This report includes the development status in Korea together with a brief description of the technology development and application status in ten countries including France, America, and Japan. Also this report describes technical factors related to radiation-based measurement and trends of new technologies. Measurement principles are also described for the equipment that is widely used among radiation-based measurement, such as level measurement, density measurement, basis weight measurement, moisture measurement, and thickness measurement. (author). 7 refs., 2 tabs., 21 figs

  15. Primary Amoebic (Naegleria fowleri Meningoencephalitis Presenting as Status Epilepticus

    Directory of Open Access Journals (Sweden)

    A Sharma

    2011-04-01

    Full Text Available Primary amebic meningoencephalitis (PAM is a rare entity. Usual presenting features are fever, headache and seizures with meningeal signs and this disease carries high mortality rate. We present a case report of PAM presenting as status epilepticus.

  16. Applying Technology To Facilitate Poster Presentations.

    Science.gov (United States)

    Marek, Pam; Christopher, Andrew N.; Koenig, Cynthia S.

    2002-01-01

    Promotes the use of presentation software in psychology courses to teach students technological skills that prepare them for the future. Explains that many graduates in psychology are employed in other fields after graduation. Discusses the use of presentation software with a focus on poster preparation using Microsoft PowerPoint software. (CMK)

  17. Present status of the ion ring compressor approach to fusion

    International Nuclear Information System (INIS)

    Fleischmann, H.H.

    1975-01-01

    A short review is given of the present research status with regard to the Ion Ring Compressor. A consideration of the reactor characteristics of this fusion scheme indicates the potential for a number of technologically and economically interesting features, in particular with respect to the high-confinement characteristics expected for such minimum-B configurations. Experimental results from the RECE-program at Cornell indicate generally good gross stability of strong electron rings, including purely collisional decay, stability against field perturbations and others. Most-recent experiments have extended the ring lifetime to more than 2 x 10 5 electron orbits. Strong electron rings have been shifted over an axial distance of up to 30 cm. Experiments with magnetic-field insulated diodes indicate ion pulses of up to 300 nsec, and field insulation of up to 800 nsec when metallic electrodes are used

  18. Instructional Technology in Brazil: A Status Report

    Science.gov (United States)

    Saettler, Paul

    1973-01-01

    A status report on the evolving conceptions of instructional technology and current applications in Brazil. A complementary purpose is to summarize those conditions which vitally influence the general characteristics of the Brazilian educational system and the nature of instructional technology in this major developing country of the world.…

  19. Biomass electric technologies: Status and future development

    International Nuclear Information System (INIS)

    Bain, R.L.; Overend, R.P.

    1992-01-01

    At the present time, there axe approximately 6 gigawatts (GWe) of biomass-based, grid-connected electrical generation capacity in the United States. This capacity is primarily combustion-driven, steam-turbine technology, with the great majority of the plants of a 5-50 megawatt (MW) size and characterized by heat rates of 14,770-17,935 gigajoules per kilowatt-hour (GJ/kWh) (14,000-17,000 Btu/kWh or 18%-24% efficiency), and with installed capital costs of $1,300-$1,500/kW. Cost of electricity for existing plants is in the $0.065-$O.08/kWh range. Feedstocks are mainly waste materials; wood-fired systems account for 88% of the total biomass capacity, followed by agricultural waste (3%), landfill gas (8%), and anaerobic digesters (1%). A significant amount of remote, non-grid-connected, wood-fired capacity also exists in the paper and wood products industry. This chapter discusses biomass power technology status and presents the strategy for the U.S. Department of Energy (DOE) Biomass Power Program for advancing biomass electric technologies to 18 GWe by the year 2010, and to greater than 100 GWe by the year 2030. Future generation systems will be characterized by process efficiencies in the 35%-40% range, by installed capital costs of $770-$900/kW, by a cost of electricity in the $0.04-$O.05/kWh range, and by the use of dedicated fuel-supply systems. Technology options such as integrated gasification/gas-turbine systems, integrated pyrolysis/gas-turbine systems, and innovative direct-combustion systems are discussed, including present status and potential growth. This chapter also presents discussions of the U.S. utility sector and the role of biomass-based systems within the industry, the potential advantages of biomass in comparison to coal, and the potential environmental impact of biomass-based electricity generation

  20. Fossil energy waste management. Technology status report

    Energy Technology Data Exchange (ETDEWEB)

    Bossart, S.J.; Newman, D.A.

    1995-02-01

    This report describes the current status and recent accomplishments of the Fossil Energy Waste Management (FE WM) projects sponsored by the Morgantown Energy Technology Center (METC) of the US Department of Energy (DOE). The primary goal of the Waste Management Program is to identify and develop optimal strategies to manage solid by-products from advanced coal technologies for the purpose of ensuring the competitiveness of advanced coal technologies as a future energy source. The projects in the Fossil Energy Waste Management Program are divided into three types of activities: Waste Characterization, Disposal Technologies, and Utilization Technologies. This technology status report includes a discussion on barriers to increased use of coal by-products. Also, the major technical and nontechnical challenges currently being addressed by the FE WM program are discussed. A bibliography of 96 citations and a list of project contacts is included if the reader is interested in obtaining additional information about the FE WM program.

  1. Present status and subjects of food irradiation in the world

    International Nuclear Information System (INIS)

    Hayashi, Toru

    1995-01-01

    Food irradiation is the technology of irradiating such radiations as gamma ray and electron beam to foods and farm products, and its objectives are the prevention of germination of potatoes and onions, the insecticide of cereals and fruits, the adjustment of the ripeness of fruits and vegetables, the sterilization of chickens and spices and so on. The food irradiation as the technology for preventing the loss of foods, the food irradiation as the substitute for the fumigation with chemicals and the food irradiation for improving food sanitation are discussed. The history of the soundness test of irradiated foods and the opinion of the international organizations are described. The safety evaluation in view of poisonous effect, nutrition and microorganisms is carried out, and the safety of the foods irradiated with the dose less than 10 kGy has been proved. The examples of utilizing food irradiation for sterilization, insecticide and germination prevention are shown. The present status of its practical use in America and Europe and the move of such international organizations as IAEA, FAO and WHO are reported. (K.I.)

  2. Present status and prospects of photovoltaic market in China

    International Nuclear Information System (INIS)

    Zhao Ruirui; Shi Guang; Chen Hongyu; Ren Anfu; Finlow, David

    2011-01-01

    In 2009, the photovoltaic (PV) industry expanded greatly in China. Developing PV technology is both necessary and urgent, as China is a large country, which consumes huge amounts of energy. In addition, because China has a natural advantage of excellent solar resources, its government has provided significant support in this field. In order to motivate the PV industry, the Ministries of Finance and Construction established coordinated policies to offer financial inducements. The government will implement the Jintaiyang project in the near future: 15 billion US dollars will be invested and 294 demonstration projects will be built. The developing Chinese PV market holds great promise. The aim of this paper is to analyze the present status of the Chinese PV market, discuss the opportunities available, and the potential challenges anticipated in the developing process including some engineering roadblocks encountered in the PV system, and to outline possible future scenarios in this field. - Research highlights: → In 2009, the photovoltaic (PV) industry expanded greatly in China. → The price of electricity generated by PV will be gradually reduced. → A photovoltaic industrial chain in China has already formed. → Research on PV systems will also promote the development of improved technologies.

  3. 2017 Technology Showcase Presentations | NCI Technology Transfer Center | TTC

    Science.gov (United States)

    Presentations from the 2017 Technology Showcase by NIH Intramural Research Program scientists held at Frederick National Laboratories for Cancer Research on June 7, 2017. | [google6f4cd5334ac394ab.html

  4. A case of nonconvulsive status epilepticus presenting as ...

    African Journals Online (AJOL)

    Nonconvulsive status epilepticus is characterised by changes in behaviour, memory, affect or level of consciousness. We report a case of nonconvulsive status epilepticus precipitated by carbamazepine that presented as dissociative fugue. The patient was a 49-year-old man. He first experienced a tonic-clonic seizure nine ...

  5. History and current status of nuclear fuel reprocessing technology

    International Nuclear Information System (INIS)

    Funasaka, Hideyuki; Nagai, Toshihisa; Washiya, Tadahiro

    2008-01-01

    History and present state of fast breeder reactor was reviewed in series. As a history and current status of nuclear fuel reprocessing technology, this ninth lecture presented the progress of the FBR fuel reprocessing technology and advanced reprocessing processes. FBR fuel reprocessing technology had been developed to construct the reprocessing equipment test facilities (RETF) based on PUREX process technologies. With economics, reduction of environmental burdens and proliferation resistance taken into consideration, advanced aqueous method for nuclear fuel cycle activities has been promoted as the government's basic policy. Innovative technologies on mechanical disassembly, continuous rotary dissolver, crystallizer, solvent extraction and actinides recovery have been mainly studied. (T. Tanaka)

  6. Status of Wind Power Technologies

    DEFF Research Database (Denmark)

    Zhao, Haoran; Wu, Qiuwei

    2018-01-01

    With the development of wind turbine technology, wind power will become more controllable and grid‐friendly. It is desirable to make wind farms operate as conventional power plants. Wind turbine generators (WTGs) were mainly used in rural and remote areas for wind power generation. WTG‐based wind...... energy conversion systems (WECS) can be divided into the four main types (type 1‐4). Due to the inherent variability and uncertainty of the wind, the integration of wind power into the grid has brought challenges in several different areas, including power quality, system reliability, stability......, and planning. The impact of each is largely dependent on the level of wind power penetration in the grid. In many countries, relatively high levels of wind power penetration have been achieved. This chapter shows the estimated wind power penetration in leading wind markets....

  7. On the present status of the ARAMAKO system

    International Nuclear Information System (INIS)

    Nikolaev, M.N.; Savos'kin, M.M.

    1987-01-01

    This paper reviews the present status of the ARAMAKO multigroup constant calculation system for solving neutron and gamma quantum transport equations and for calculations of linear and bilinear functionals of their fields. (author)

  8. Present status of the TOHOKU 300 MeV linac

    International Nuclear Information System (INIS)

    Takahashi, Shigenobu; Oyamada, Masayuki; Urasawa, Shigekazu; Nakazato, Toshiharu; Kurihara, Akira; Mutoh, Masakatu; Shibasaki, Yoshinobu; Oonuma, Tadahiro

    1993-01-01

    The TOHOKU linac that was constructed about a quarter century before has been operated without serious trouble recently. This report describes as follows: main trouble, maintenance, present performance of the machine and status of operation. (author)

  9. Status of Irradiation technology development in JMTR

    International Nuclear Information System (INIS)

    Inaba, Y.; Inoue, S.; Izumo, H.; Kitagishi, S.; Tsuchiya, K.; Saito, T.; Ishitsuka, E.

    2008-01-01

    Irradiation Engineering Section of the Neutron Irradiation and Testing Reactor Center was organized to development the new irradiation technology for the application at JMTR re operation. The new irradiation engineering building was remodeled from the old RI development building, and was started to use from the end of September, 2008. Advanced in situ instrumentation technology (high temperature multi paired thermocouple, ceramic sensor, application of optical measurement), 99M o production technology by new Mo solution irradiation method, recycling technology on used beryllium reflector, and so on are planned as the development of new irradiation technologies. The development will be also important for the education and training programs through the development of young generation in not only Japan but also Asian counties. In this report, as the status of the development the new irradiation technology, new irradiation engineering building, high temperature multi paired thermocouple, experiences of optical measurement, recycling technology on used beryllium reflector are introduced

  10. Status of irradiation technology development in JMTR

    International Nuclear Information System (INIS)

    Inaba, Y.; Inoue, S.; Izumo, H.; Kitagishi, S.; Tsuchiya, K.; Saito, T.; Ishitsuka, E.

    2008-01-01

    Irradiation Engineering Section of the Neutron Irradiation and Testing Reactor Centre was organised to development the new irradiation technology for the application at JMTR re-operation. The new irradiation engineering building was remoulded from the old RI development building, and was started to use from the end of September, 2008. Advanced in-situ instrumentation technology(high temperature multi-paired thermocouple, ceramic sensor,application of optical measurement), 99 Mo production technology by new Mo solution irradiation method,recycling technology on used beryllium reflector, and so on are planned as the development of new irradiation technologies. The development will be also important for the education and training programs through the development of young generation in not only Japan but also Asian countries. In this report, as the status of the development the new irradiation technology, new irradiation engineering building, high temperature multi-paired thermocouple, experiences of optical measurement, recycling technology on used beryllium reflector are introduced

  11. Present status and prospect of radiation and radioisotopes in China

    International Nuclear Information System (INIS)

    Zhou, Yong-Tian

    1986-01-01

    Production and application of radioisotopes in China started almost thirty years ago. At present there are 20 units producing more than 700 radioisotope products. This report outlines the present status and prospect of radiation and radioisotopes in some major areas. Remarkable achievements have been made in agriculture using nuclear technology. More than 70 new varieties or strains of cultivated plants have been bred by inducing mutation through irradiation. A new variety of silkworm bred by irradiation has unique characteristics such as high and stable yield. Application of radioisotopes in medical research and clinical practice began in 1956 and radionuclides have been progressively used in diagnosis and treatment of diseases. The most common radionuclide used in therapy is iodine-131 for hyperthyroidism. Isotope-tracer technique and activation analysis play an important role in the study of traditional Chinese medicine. Isotope methods in China have been used in many industrial branches, such as textile, plastic and printing, but not very widely now. The nation has produced more than 2,000 sets of nuclear radiation measuring instruments, which become important parts of industrial automation control. The radiation processing research started in the end of 1950's. Food irradiation research has been going on in a good cooperation of different branches. Now China is planning to set up some plants to produce gamma irradiated disposal syringes and other medical devices. (Nogami, K.)

  12. Technological status of organic photovoltaics (OPV)

    DEFF Research Database (Denmark)

    Carlé, Jon Eggert; Krebs, Frederik C

    2013-01-01

    This paper gives a technological status of organic and polymer photovoltaics (OPV) for both single and tandem junctions. We list the current state-of-the-art at the laboratory level for very small rigid and mostly vacuum processed devices to larger area flexible and printed devices. In comparison...

  13. Fuel Cell Technology Status Analysis | Hydrogen and Fuel Cells | NREL

    Science.gov (United States)

    Technology Status Analysis Fuel Cell Technology Status Analysis Get Involved Fuel cell developers interested in collaborating with NREL on fuel cell technology status analysis should send an email to NREL's Technology Validation Team at techval@nrel.gov. NREL's analysis of fuel cell technology provides objective

  14. Progress and present status of ITER cryoline system

    International Nuclear Information System (INIS)

    Badgujar, S.; Bonneton, M.; Chalifour, M.; Forgeas, A.; Serio, L.; Sarkar, B.; Shah, N.

    2014-01-01

    The cryoline system at ITER forms a very complex network localized inside the Tokamak building, on a dedicated plant bridge and in cryoplant areas. The cooling power produced in the cryoplant is distributed via these lines with a total length of about 3.7 km and interconnecting all the cold boxes of the cryogenic system as well as the cold boxes of various clients (magnets, cryopumps and thermal shield). Distinct layouts and polygonal geometry, nuclear safety and confinement requirements, difficult installation and in-service inspection/repair demand very high reliability and availability for the cryolines. The finalization of the building-embedded plates for supporting the lines, before the detailed design, has made this project technologically more challenging. The conceptual design phase has been completed and procurement arrangements have been signed with India, responsible for providing the system of cryolines and warm lines to ITER, as in kind contribution. The prototype test for the design and performance validation has been planned on a representative cryoline section. After describing the basic features and general layout of the ITER cryolines, the paper presents key design requirements, conceptual design approach, progress and status of the cryolines project as well as challenges to build such a complex cryoline system

  15. [Present status and sustainable development of Dendrobium officinale industry].

    Science.gov (United States)

    Wu, Yunqin; Si, Jinping

    2010-08-01

    To understand the present status and characteristics of Dendrobium officinale industry and to provide a rationale for the sustainable industrial development. Based on references and an on-site investigation of main Dendrobium officinale-producing enterprises and market, to analyze main existing problems and to propose suggestions for sustainable development. More than 10 provinces and regions are involved in the production around the center of Zhejiang and Yunnan provinces. These two provinces are different from each other in development pattern. Yunnan adopts a mode of companies minus farmer households but Zhejiang mainly employs a mode that a leading company establishes a production base with production, processing and marketing combined together. Zhejiang mode is characterized by high tech, high investment, high risk and high return. Existence of non-genuine species, stagnancy in development and application of varieties and techniques for quality control and a narrow channel for marketing are the key problems limiting sustainable development of the industry. The key to sustainable development of the industry is to establish a technological alliance to speed up development of common techniques and application of integrated innovations, to strengthen self-discipline and monitoring of production, and to expand sales market.

  16. Integration of nuclear power in the Portuguese network. Present status

    International Nuclear Information System (INIS)

    Videira, F.M.

    1977-01-01

    The main characteristics of the Portuguese electric energy production system and their evolution in the past and near future are presented. Taking into consideration the Portuguese energy resources the alternatives to meet the additional long range electric energy needs are evaluated. Finally some comments are made about the present status of the nuclear option. (Auth.)

  17. Current Status of Concentrator Photovoltaic (CPV) Technology

    Energy Technology Data Exchange (ETDEWEB)

    Philipps, Simon P. [Fraunhofer Inst. for Solar Energy Systems ISE, Freiburg (Germany); Bett, Andreas W. [Fraunhofer Inst. for Solar Energy Systems ISE, Freiburg (Germany); Horowitz, Kelsey [National Renewable Energy Lab. (NREL), Golden, CO (United States); Kurtz, Sarah [National Renewable Energy Lab. (NREL), Golden, CO (United States)

    2015-12-01

    This report summarizes the status of the concentrator photovoltaic (CPV) market and industry as well as current trends in research and technology. This report is intended to guide research agendas for Fraunhofer ISE, the National Renewable Energy Laboratory (NREL), and other R&D organizations. Version 1.1 of this report includes recent progress in CPV. The recent record module efficiency of 38.9% at Concentrator Standard Test Conditions (CSTC) is an impressive result, demonstrating the continuing opportunity for CPV technology to improve. 38.9% at Concentrator Standard Test Conditions (CSTC) is an impressive result, demonstrating the continuing opportunity for CPV technology to improve. 38.9% at Concentrator Standard Test Conditions (CSTC) is an impressive result, demonstrating the continuing opportunity for CPV technology to improve. 38.9% at Concentrator Standard Test Conditions (CSTC) is an impressive result, demonstrating the continuing opportunity for CPV technology to improve.

  18. Status Cataplecticus as Initial Presentation of Late Onset Narcolepsy

    Science.gov (United States)

    Panda, Samhita

    2014-01-01

    Narcolepsy, one of the important causes of hypersomnia, is an under diagnosed sleep disorder. It has a bimodal age of onset around 15 and 35 years. It is characterized by the tetrad of excessive daytime sleepiness, cataplexy, hypnagogic/ hypnopompic hallucinations, and sleep paralysis. Cataplexy is by far the most predictive feature of narcolepsy. Status cataplecticus is the occurrence of cataplexy repeatedly for hours or days, a rare presentation of narcolepsy. This report describes an elderly gentleman with late onset narcolepsy in the sixth decade of life presenting with initial and chief symptom of status cataplecticus. Citation: Panda S. Status cataplecticus as initial presentation of late onset narcolepsy. J Clin Sleep Med 2014;10(2):207-209. PMID:24533005

  19. Present status and perspectives of nuclear power in Latin America

    International Nuclear Information System (INIS)

    Mondino, M.A.

    1995-01-01

    The paper describes the present status of nuclear power in Latin America, giving an analysis of Argentina, Brazil, Cuba and Mexico - the countries that have committed themselves to nuclear power undertakings. The historical development of the energy sector is studied and analysed, comparing Latin America with developed countries and groups of countries. Projected data are also studied and analysed, defining the present status of nuclear power in Latin American and its future possibilities. The region's future needs are analyzed on the basis of various indicators and the most important conclusions are highlighted. (author). 10 refs, 9 figs, 21 tabs

  20. Cosmic microwave background: present status and future prospects

    International Nuclear Information System (INIS)

    Muller, R.A.

    1978-12-01

    After a brief review of the origin of the radiation according to the standard model, the status of present measurements of the spectrum and the large-scale isotropy is discussed. Finally, it is indicated what are the prospects for improved measurements in the next decade. 17 references

  1. Transmutation of radioactive nuclear waste – present status and ...

    Indian Academy of Sciences (India)

    Transmutation of long-lived actinides and fission products becomes an important issue of the overall nuclear fuel cycle assessment, both for existing and future reactor systems. Reliable nuclear data are required for analysis of associated neutronics. The present paper gives a review of the status of nuclear data analysis ...

  2. Present status and expected progress in radiation processing dosimetry

    DEFF Research Database (Denmark)

    Kovács, A.; Miller, A.

    2004-01-01

    The paper describes the present status of radiation processing dosimetry including the methods used most widely in gamma- and electron processing as well as the new methods under development or introduction. The recent trends with respect to calibrationof routine dosimetry systems as well...

  3. Present status and needs of research on severe core damage

    International Nuclear Information System (INIS)

    1982-05-01

    The needs for research on severe core damage accident have been emphasized recently, in particular, since TMI-2 accident. The Severe Core Damage Research Task Force was established by the Divisions of Reactor Safety and Reactor Safety Evaluation to evaluate individual phenomenon, to survey the present status of research and to provide the recommended research subjects on severe accidents. This report describes the accident phenomena involving some analytical results, status of research and recommended research subjects on severe core damage accidents, divided into accident sequence, fuel damage, and molten material behavior, fission product behavior, hydrogen generation and combustion, steam explosion and containment integrity. (author)

  4. Present status of the radiative neutron capture mechanisms -nonstatistical effects

    International Nuclear Information System (INIS)

    Brzosko, J.S.

    1976-01-01

    The present status of our knowledge about neutron radiative capture mechanisms is described. In the first section there are given a review on mathematical description of the neutron capture cross section and possible sources of correlation effects. The point of lecture is the explanation of connections between the intermediate structures and correlation effects. In one of the sections the explanation of the bump in γ-ray spectra is discussed. The typical experimental results are presented. (author)

  5. Bupropion Overdose Presenting as Status Epilepticus in an Infant.

    Science.gov (United States)

    Rivas-Coppola, Marianna S; Patterson, Amy L; Morgan, Robin; Wheless, James W

    2015-09-01

    Bupropion is a monocyclic antidepressant in the aminoketone class, structurally related to amphetamines. The Food and Drug Administration withdrew this product from the market in 1986 after seizures were reported in bulimic patients. It was later reintroduced in 1989 when the incidence of seizures was shown to be dose-related in the immediate release preparation. Massive bupropion ingestion has been associated with status epilepticus and cardiogenic shock in adults. Seizures have been reported in children, but not status epilepticus. This report highlights a patient who presented with status epilepticus and developed cardiopulmonary arrest after bupropion ingestion. False-positive amphetamine diagnosis from urine drug screen on presentation was reported. We review the presentation, clinical course, diagnostic studies, and outcome of this patient. We then review the literature regarding bupropion overdose in children. Symptoms of bupropion toxicity and risk for seizures are dose-dependent and fatalities have been reported. Our patient developed status epilepticus and cardiopulmonary arrest and then progressed to have a hypoxic ischemic encephalopathy and refractory symptomatic partial seizures. Our report highlights the need to keep this medication away from children in order to prevent accidental overdose. Copyright © 2015 Elsevier Inc. All rights reserved.

  6. CO2 electric discharge lasers - Present status and future applications

    International Nuclear Information System (INIS)

    Reilly, J.P.

    1979-01-01

    CO 2 electric discharge lasers (EDLs) have proven themselves to be efficient sources of high-power high-quality laser energy. The paper outlines applications of high-power CO 2 EDLs, applications which are now becoming commercially viable, as well as those which are still being investigated in research laboratories. Applications of CO 2 lasers are discussed relative to industrial applications (laser welding, laser surface hardening, heat treatment, and surface chemistry modification by laser alloying and laser glazing), laser radar applications, laser-induced fusion, and laser propulsion. Attention is given to requirements of applications versus status of technology. Examples are given of the engineering solutions used to address the technology issues identified by particular laser applications

  7. Present status of accelerator-based BNCT: Focus on developments in Argentina

    International Nuclear Information System (INIS)

    Cartelli, D.; Capoulat, M.E.; Bergueiro, J.; Gagetti, L.; Suárez Anzorena, M.; Grosso, M.F. del; Baldo, M.; Castell, W.; Padulo, J.; Suárez Sandín, J.C.; Igarzabal, M.; Erhardt, J.; Mercuri, D.

    2015-01-01

    In this work we provide some information on the present status of accelerator-based BNCT (AB-BNCT) worldwide and subsequently concentrate on the recent accelerator technology developments in Argentina. - Highlights: • The current status of projects and associated facilities for AB-BNCT worldwide is shown. • Only low (few MeV) energy accelerators are included. • The recent progress of the Argentine AB-BNCT program is described.

  8. ATLAS experimental equipment. November 1983 workshop and present status

    International Nuclear Information System (INIS)

    1984-01-01

    The latest workshop was held in November 1983 with the purpose of presenting an overview of the experimental stations planned for ATLAS, describing the current status of each individual apparatus, soliciting final input on devices of the first phase (i.e. on those that will be ready when beams from ATLAS become available in late Spring of 1985), and discussing and collecting new ideas on equipment for the second phase. There were short presentations on the status of the various projects followed by informal discussions. The presentations mainly concentrated on new equipment for target area III, but included some descriptions of current apparatus in target area II that might also be of interest for experiments with the higher-energy beams available in area III. The meeting was well attended with approx. 50 scientists, approximately half of them from institutions outside Argonne. The present proceedings summarize the presentations and discussions of this one-day meeting. In addition we take the opportunity to include information about developments since this meeting and an update of the current status of the various experimental stations. We would like to emphasize again that outside-user input is extremely welcome

  9. Status of Fast Reactor Research and Technology Development

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2013-04-01

    In 1985, the International Atomic Energy Agency (IAEA) published a report titled 'Status of Liquid Metal Cooled Fast Breeder Reactors' (Technical Reports Series No. 246). The report was a general review of the status of fast reactor development at that time, covering some aspects of design and operation and reviewing experience from the earliest days. It summarized the programmes and plans in all countries which were pursuing the development of fast reactors. In 1999, the IAEA published a follow-up report titled 'Status of Liquid Metal Cooled Fast Reactor Technology' (IAEA-TECDOC-1083), necessitated by the substantial advances in fast reactor technology development and changes in the economic and regulatory environment which took place during the period of 1985-1998. Chief among these were the demonstration of reliable operation by several prototypes and experimental reactors, the reliable operation of fuel at a high burnup and the launch of new fast reactor programmes by some additional Member States. In 2006, the Technical Working Group on Fast Reactors (TWG-FR) identified the need to update its past publications and recommended the preparation of a new status report on fast reactor technology. The present status report intends to provide comprehensive and detailed information on the technology of fast neutron reactors. The focus is on practical issues that are useful to engineers, scientists, managers, university students and professors, on the following topics: experience in construction, operation and decommissioning; various areas of research and development; engineering; safety; and national strategies and public acceptance of fast reactors.

  10. Status of Fast Reactor Research and Technology Development

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2012-07-01

    In 1985, the International Atomic Energy Agency (IAEA) published a report titled 'Status of Liquid Metal Cooled Fast Breeder Reactors' (Technical Reports Series No. 246). The report was a general review of the status of fast reactor development at that time, covering some aspects of design and operation and reviewing experience from the earliest days. It summarized the programmes and plans in all countries which were pursuing the development of fast reactors. In 1999, the IAEA published a follow-up report titled 'Status of Liquid Metal Cooled Fast Reactor Technology' (IAEA-TECDOC-1083), necessitated by the substantial advances in fast reactor technology development and changes in the economic and regulatory environment which took place during the period of 1985-1998. Chief among these were the demonstration of reliable operation by several prototypes and experimental reactors, the reliable operation of fuel at a high burnup and the launch of new fast reactor programmes by some additional Member States. In 2006, the Technical Working Group on Fast Reactors (TWG-FR) identified the need to update its past publications and recommended the preparation of a new status report on fast reactor technology. The present status report intends to provide comprehensive and detailed information on the technology of fast neutron reactors. The focus is on practical issues that are useful to engineers, scientists, managers, university students and professors, on the following topics: experience in construction, operation and decommissioning; various areas of research and development; engineering; safety; and national strategies and public acceptance of fast reactors.

  11. Status of Fast Reactor Research and Technology Development

    International Nuclear Information System (INIS)

    2012-01-01

    In 1985, the International Atomic Energy Agency (IAEA) published a report titled 'Status of Liquid Metal Cooled Fast Breeder Reactors' (Technical Reports Series No. 246). The report was a general review of the status of fast reactor development at that time, covering some aspects of design and operation and reviewing experience from the earliest days. It summarized the programmes and plans in all countries which were pursuing the development of fast reactors. In 1999, the IAEA published a follow-up report titled 'Status of Liquid Metal Cooled Fast Reactor Technology' (IAEA-TECDOC-1083), necessitated by the substantial advances in fast reactor technology development and changes in the economic and regulatory environment which took place during the period of 1985-1998. Chief among these were the demonstration of reliable operation by several prototypes and experimental reactors, the reliable operation of fuel at a high burnup and the launch of new fast reactor programmes by some additional Member States. In 2006, the Technical Working Group on Fast Reactors (TWG-FR) identified the need to update its past publications and recommended the preparation of a new status report on fast reactor technology. The present status report intends to provide comprehensive and detailed information on the technology of fast neutron reactors. The focus is on practical issues that are useful to engineers, scientists, managers, university students and professors, on the following topics: experience in construction, operation and decommissioning; various areas of research and development; engineering; safety; and national strategies and public acceptance of fast reactors.

  12. Status of Fast Reactor Research and Technology Development

    International Nuclear Information System (INIS)

    2013-01-01

    In 1985, the International Atomic Energy Agency (IAEA) published a report titled 'Status of Liquid Metal Cooled Fast Breeder Reactors' (Technical Reports Series No. 246). The report was a general review of the status of fast reactor development at that time, covering some aspects of design and operation and reviewing experience from the earliest days. It summarized the programmes and plans in all countries which were pursuing the development of fast reactors. In 1999, the IAEA published a follow-up report titled 'Status of Liquid Metal Cooled Fast Reactor Technology' (IAEA-TECDOC-1083), necessitated by the substantial advances in fast reactor technology development and changes in the economic and regulatory environment which took place during the period of 1985-1998. Chief among these were the demonstration of reliable operation by several prototypes and experimental reactors, the reliable operation of fuel at a high burnup and the launch of new fast reactor programmes by some additional Member States. In 2006, the Technical Working Group on Fast Reactors (TWG-FR) identified the need to update its past publications and recommended the preparation of a new status report on fast reactor technology. The present status report intends to provide comprehensive and detailed information on the technology of fast neutron reactors. The focus is on practical issues that are useful to engineers, scientists, managers, university students and professors, on the following topics: experience in construction, operation and decommissioning; various areas of research and development; engineering; safety; and national strategies and public acceptance of fast reactors.

  13. The present and future of positive technologies

    OpenAIRE

    Botella C.; Riva G.; Gaggioli A.; Wiederhold B.K.; Alcaniz M.; Banos R.M.

    2012-01-01

    The goal of this work is to delimit the field of Positive Technology—the scientific and applied approach to the use of technology for improving the quality of our personal experience. This new field combines the objectives of Positive Psychology with enhancements of Information and Communication Technologies (ICTs) by focusing on three key variables—emotional quality, engagement/actualization, and connectedness—that are able to transform our personal experience in a tool for build...

  14. Present status and perspectives for hydroelectric power in world

    International Nuclear Information System (INIS)

    Malquori, E.

    1991-01-01

    In the note a review of the present status and perspectives of hydroelectric power in the world is introduced. The present status regards, in chronological order, the last decade, as to say the works carried out in the 80ies whereas the perspectives regard the next twenty years as to say until 2010. The mentioned electric power potentiality refers to pure generation plants of great, middle and small size and to what could be achieved by already existing plants after changes and/or replacements and improvement of the machinery. Beside the figures regarding powers, great generation and pumping plants whose contribution has been and will be remarkable have been properly mentioned. The Italian contribution - civil works design, construction, and machinery supply - in the last hydroelectric development is briefly mentioned with particular reference to the developing countries

  15. Radioisotopes and fungicide research- present status and future prospects

    International Nuclear Information System (INIS)

    Chatrath, M.S.

    1996-01-01

    The developments in pesticides and radioisotopes fields were so near to each other that at a very early stage in this history, both became linked together and their usefulness was recognised for faster development. The purpose of this communication is to illustrate the present status these techniques in fungicide research by drawing suitable examples and also to bring out the directions in which future research will be going with the aid of these tools. 72 refs

  16. Reprocessing technology for present water reactor fuels

    International Nuclear Information System (INIS)

    McMurray, P.R.

    1977-01-01

    The basic Purex solvent extraction technology developed and applied in the U.S. in the 1950's provides a well-demonstrated and efficient process for recovering uranium and plutonium for fuel recycle and separating the wastes for further treatment and packaging. The technologies for confinement of radioactive effluents have been developed but have had limited utilization in the processing of commercial light water reactor fuels. Technologies for solidification and packaging of radioactive wastes have not yet been demonstrated but significant experience has been gained in laboratory and engineering scale experiments with simulated commercial reprocessing wastes and intermediate level wastes. Commercial scale experience with combined operations of all the required processes and equipment are needed to demonstrate reliable reprocessing centers

  17. Status report on the relativistic electron beam technology

    International Nuclear Information System (INIS)

    Iyyengar, S.K.; Ron, P.H.; Rohatgi, V.K.

    1974-01-01

    The status of technology of the pulsed relativistic electron beam (REB) has been examined and summarised in this report. With the present technology the beam generator can be used either as a source of intense electron burst or to produce bursts of positive ions x and γ-rays, and neutrons by suitable secondary reactions. A large number of applications have been identified where this technology can play an important role. Typical applications of the technology include : (a) generation and heating of fusion plasma (b) development of high power laser and (c) sterilisation and radiation sources. The present day cost of radiation produced by REB is competitive with the cost of radiation produced from Co 60 source. At the same time there are indications that the cost of radiation from REB source can be significantly reduced with advanced technology. The type of equipment developed by various laboratories to study realitivistic electron beams is also included in this report. (author)

  18. Superdeformation- present status and some new universal features

    International Nuclear Information System (INIS)

    Jain, A.K.; Jain, S.R.

    1995-01-01

    The present status of understanding of superdeformed (SD) bands has been presented. The puzzles raised by the experimental data have been highlighted. Besides the well known problems related to feeding and depopulation, moment of inertia and identical bands, we have also pointed out the existence of a weak oscillation in the I vs. E γ plots, the negative value for the net alignment in many SD bands and the general identical band pattern found in each mass region. Theoretical explanation for many of these features have been suggested individually but there is no single theoretical framework which would be able to explain all the features together. (author). 32 refs

  19. Construction, characteristics and present status of high-fluence irradiation facility at University of Tokyo

    International Nuclear Information System (INIS)

    Tabata, Yoneho; Kobayashi, Hitoshi; Tagawa, Seiichi; Kouchi, Noriyuki.

    1989-01-01

    New ion accelerator facility (HIT Facility) was constructed at Research Center for Nuclear Science and Technology, University of Tokyo. This facility, which was equipped with some special apparatus, has been mainly dedicated to the study of radiation effects of ion beams on materials. In this report, the construction, the characteristics and the present status of this facility are described. (author)

  20. The status of membrane bioreactor technology.

    Science.gov (United States)

    Judd, Simon

    2008-02-01

    In this article, the current status of membrane bioreactor (MBR) technology for wastewater treatment is reviewed. Fundamental facets of the MBR process and membrane and process configurations are outlined and the advantages and disadvantages over conventional suspended growth-based biotreatment are briefly identified. Key process design and operating parameters are defined and their significance explained. The inter-relationships between these parameters are identified and their implications discussed, with particular reference to impacts on membrane surface fouling and channel clogging. In addition, current understanding of membrane surface fouling and identification of candidate foulants is appraised. Although much interest in this technology exists and its penetration of the market will probably increase significantly, there remains a lack of understanding of key process constraints such as membrane channel clogging, and of the science of membrane cleaning.

  1. Present status of development of uranium resources in foreign countries

    International Nuclear Information System (INIS)

    1983-10-01

    The book with the same title as this was published in 1981. Thereafter, the necessity to correct the contents arose, such as the remarkable change in uranium market condition and the change of uranium resource policy in Australia accompanying the change of regime, accordingly, the revision was carried out by adding more new information. As the main sources of the information collected in this book, 25 materials are shown. The confirmed resources of uranium in the free world as of the beginning of 1981 amounted to 2,293,000 t U, and the estimated additional resources were 2,720,000 t U. The political system and uranium policy, the present status of uranium export, the quantity of resources and the estimated amount of deposits, the uranium production and the status of uranium exploration and development of 25 foreign countries are reported. Japan has carried out uranium development activities in Australia, Canada, Niger, Gabon, Zambia and so on. (Kako, I.)

  2. Celiac crisis presenting with status epilepticus and encephalopathy.

    Science.gov (United States)

    Hijaz, Nadia M; Bracken, Julia M; Chandratre, Sonal R

    2014-12-01

    Celiac crisis is a life-threatening presentation of celiac disease which is described in the context of classic gastrointestinal (GI) symptoms of diarrhea, leading to dehydration and electrolyte imbalance. Neurologic manifestations are atypical symptoms of celiac crisis. To the best of our knowledge, there is no published report on seizure or encephalopathy as the presenting manifestation of celiac crisis. We describe a 2-year-old boy presenting with acute status epilepticus and lethargy. Prior to presentation, he had mild abdominal distention and intermittent diarrhea. Laboratory analysis revealed hyponatremia, anemia, hypocalcemia, transaminitis, and hyperglycemia. Electroencephalography revealed severe diffuse encephalopathy, and complete infectious work-up was negative. Initial brain magnetic resonance imaging was normal; however, repeat imaging showed osmotic demyelination syndrome. Given the history of GI symptoms and hyperglycemia, celiac serology was obtained revealing elevated tissue transglutaminase, and a diagnosis was confirmed by Marsh 3c lesions in the duodenum. He significantly improved with steroid therapy in addition to adequate nutrition, fluids, and initiation of a gluten-free diet. We report herein on the first case of celiac crisis presenting with status epilepticus and encephalopathy in the absence of profound GI symptoms. Our case suggests that celiac crisis should be considered in the differential of seizures and encephalopathy in children.

  3. The Large Hadron Collider: Present Status and Prospects

    CERN Document Server

    Evans, Lyndon R

    2000-01-01

    The Large Hadron Collider (LHC), due to be commissioned in 2005, will provide particle physics with the first laboratory tool to access the energy frontier above 1 TeV. In order to achieve this , protons must be accelerated and stored at 7 TeV, colliding with an unprecedented luminosity of 1034 cm-2 s-1. The 8.3 Tesla guide field is obtained using conventional NbTi technology cooled to below the lambda point of helium. Considerable modification of the infrastructure around the existing LEP tunnel is needed to house the LHC machine and detectors. The project is advancing according to schedule with most of the major hardware systems including cryogenics and magnets under construction. A brief status report is given and future prospects are discussed.

  4. The Large Hadron Collider Present Status and Prospects

    CERN Document Server

    Evans, Lyndon R

    2001-01-01

    The Large Hadron Collider (LHC), due to be commissioned in 2005, will provide particle physics with the first laboratory tool to access the energy frontier above 1 TeV. In order to achieve this , protons must be accelerated and stored at 7 TeV, colliding with an unprecedented luminosity of 1034 cm-2 s-1. The 8.3 Tesla guide field is obtained using conventional NbTi technology cooled to below the lambda point of helium. Considerable modification of the infrastructure around the existing LEP tunnel is needed to house the LHC machine and detectors. The project is advancing according to schedule with most of the major hardware systems including cryogenics and magnets under construction. A brief status report is given and future prospects are discussed.

  5. Program on fuels for transmutation: present status and prospects

    Energy Technology Data Exchange (ETDEWEB)

    Rouault, J.; Garnier, J.C.; Chauvin, N.; Pillon, S. [CEA Cadarache, 13 - Saint-Paul-lez-Durance (France). Dept. d' Etudes des Combustibles

    2001-07-01

    The performance calculations of appropriate fuel cycle facilities and reactor configurations (scenarios) relying on current reactor technologies (Pressurized Water Reactor and Fast neutrons Reactors) or innovative reactors (Accelerator Driven Systems) have proved the scientific feasibility of some P and T strategies. To insure the technological feasibility, a large program on fuels and materials is underway, including advanced concepts for PWRs and the development of specific targets (dispersed fuels) for transmutation in Fast Reactors. Experiments in different reactors including Phenix are being prepared. The program is presented and recent results are given. (author)

  6. Program on fuels for transmutation: present status and prospects

    International Nuclear Information System (INIS)

    Rouault, J.; Garnier, J.C.; Chauvin, N.; Pillon, S.

    2001-01-01

    The performance calculations of appropriate fuel cycle facilities and reactor configurations (scenarios) relying on current reactor technologies (Pressurized Water Reactor and Fast neutrons Reactors) or innovative reactors (Accelerator Driven Systems) have proved the scientific feasibility of some P and T strategies. To insure the technological feasibility, a large program on fuels and materials is underway, including advanced concepts for PWRs and the development of specific targets (dispersed fuels) for transmutation in Fast Reactors. Experiments in different reactors including Phenix are being prepared. The program is presented and recent results are given. (author)

  7. Safeguards technology: present posture and future impact

    International Nuclear Information System (INIS)

    Keepin, G.R.

    1976-01-01

    With widespread and growing concern over the issues of nuclear safeguards, international nuclear trade and nuclear weapons proliferation, the full development of the world's nuclear energy potential could well depend on how effectively the strategic nuclear materials that fuel nuclear power are controlled and safeguarded. The broad U.S. program in nuclear safeguards and security is directed toward a balanced safeguards system incorporating the two major components of physical security and materials control. The current posture of modern safeguards technology, its impact on plant operations, and the key role it must play in the implementation of stringent cost-effective safeguards systems in facilities throughout the nuclear fuel cycle are outlined

  8. Present status of libraries processed from JENDL-3.2

    International Nuclear Information System (INIS)

    Yamano, Naoki

    1996-01-01

    Data libraries processed from JENDL-3.2 were produced by JAERI for use of typical applications in the area of nuclear reactor and shielding. These libraries had the distinction of being free of restrictions on distribution. The other data libraries for decay, activation, dosimetry, nuclide transmutation, burn-up, PKA, KERMA and DPA calculations are now being accumulated. The current status on the development of these libraries has been described. A discussion is presented about how to disseminate and share the products of JNDC activities. (author)

  9. Overview of mycotoxin methods, present status and future needs.

    Science.gov (United States)

    Gilbert, J

    1999-01-01

    This article reviews current requirements for the analysis for mycotoxins in foods and identifies legislative as well as other factors that are driving development and validation of new methods. New regulatory limits for mycotoxins and analytical quality assurance requirements for laboratories to only use validated methods are seen as major factors driving developments. Three major classes of methods are identified which serve different purposes and can be categorized as screening, official and research. In each case the present status and future needs are assessed. In addition to an overview of trends in analytical methods, some other areas of analytical quality assurance such as participation in proficiency testing and reference materials are identified.

  10. Present status and plans of JENDL FP data evaluation project

    International Nuclear Information System (INIS)

    Kawano, Toshihiko

    2003-01-01

    The Fission Product (FP) data evaluation is one of the key issues for the next revision of JENDL, since many data were carried over from JENDL-3.2 to 3.3. The new FP Working Group (FPWG) was organized in the Japanese Nuclear Data Committee (JNDC) to perform new evaluations of FP data for JENDL. In the present review of FP data evaluation, we show the history and current status of FP nuclear data, requirements of FP data, new measurements, the international cooperation, and the future plans toward the new JENDL. (author)

  11. Present status and issues for accelerator driven transmutation system

    International Nuclear Information System (INIS)

    Mizumoto, Motoharu

    2003-01-01

    Proper treatment of high-level nuclear wastes (HLW) that are produced in operation of nuclear power plants is one of the most important problems for further utilization of nuclear energy. The purpose of the accelerator driven nuclear waste transmutation system (ADS) is to transmute these nuclei to stable or short-lived nuclei by various radiation-induced nuclear reactions. When ADS for HLW can be realized, burden to deep geological disposal can be considerably reduced. In the paper, present status and issues for ADS will be discussed. (author)

  12. Present status of nuclear education and training in Japan

    International Nuclear Information System (INIS)

    Kiyose, R.; Sumita, K.; Moriya, F.

    1994-01-01

    In Japan, where about 30% of electricity is supplied by nuclear actives require a good number of able and ambitious young scientists and engineers especially in the future. On the other hand, almost all Japanese electric power companies, which operate nuclear power plants, are striving to keep expertise of reactor operators as high as possible. Present status in Japan of education at universities, research and training reactors, training courses at governmental institutions and nonprofit organizations, and operator training centers of electric power companies, are reviewed. 3 tabs

  13. Status of liquid metal cooled fast reactor technology

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1999-04-01

    During the period 1985-1998, there have been substantial advances in fast reactor technology development. Chief among these has been the demonstration of reliable operation by several prototypes and experimental reactors, the reliable operation of fuel at high burnup. At the IAEA meetings on liquid metal cooled fast reactor technology (LMFR), it became evident that there have been significant technological advances as well as changes in the economic and regulatory environment since 1985. Therefore the International working group on Fast Reactors has recommended the preparation of a new status report on fast reactors. The present report intends to provide comprehensive and detailed information on LMFR technology. The focus is on practical issues that are useful to engineers, scientists, managers, university students and professors, on the following topics: experience in construction and operation, reactor physics and safety, sore structural material and fuel technology, fast reactor engineering and activities in progress on LMFR plants Refs, figs, tabs

  14. Status of liquid metal cooled fast reactor technology

    International Nuclear Information System (INIS)

    1999-04-01

    During the period 1985-1998, there have been substantial advances in fast reactor technology development. Chief among these has been the demonstration of reliable operation by several prototypes and experimental reactors, the reliable operation of fuel at high burnup. At the IAEA meetings on liquid metal cooled fast reactor technology (LMFR), it became evident that there have been significant technological advances as well as changes in the economic and regulatory environment since 1985. Therefore the International working group on Fast Reactors has recommended the preparation of a new status report on fast reactors. The present report intends to provide comprehensive and detailed information on LMFR technology. The focus is on practical issues that are useful to engineers, scientists, managers, university students and professors, on the following topics: experience in construction and operation, reactor physics and safety, sore structural material and fuel technology, fast reactor engineering and activities in progress on LMFR plants

  15. Integrated Magnetic MEMS Relays: Status of the Technology

    Directory of Open Access Journals (Sweden)

    Giuseppe Schiavone

    2014-08-01

    Full Text Available The development and application of magnetic technologies employing microfabricated magnetic structures for the production of switching components has generated enormous interest in the scientific and industrial communities over the last decade. Magnetic actuation offers many benefits when compared to other schemes for microelectromechanical systems (MEMS, including the generation of forces that have higher magnitude and longer range. Magnetic actuation can be achieved using different excitation sources, which create challenges related to the integration with other technologies, such as CMOS (Complementary Metal Oxide Semiconductor, and the requirement to reduce power consumption. Novel designs and technologies are therefore sought to enable the use of magnetic switching architectures in integrated MEMS devices, without incurring excessive energy consumption. This article reviews the status of magnetic MEMS technology and presents devices recently developed by various research groups, with key focuses on integrability and effective power management, in addition to the ability to integrate the technology with other microelectronic fabrication processes.

  16. VGKC antibodies in pediatric encephalitis presenting with status epilepticus.

    Science.gov (United States)

    Suleiman, J; Brenner, T; Gill, D; Brilot, F; Antony, J; Vincent, A; Lang, B; Dale, R C

    2011-04-05

    Voltage-gated potassium channel antibodies (VGKC Ab) are associated with limbic encephalitis and neuromyotonia in adults. There have been no systematic investigations in children to date. We looked for antibodies that are associated with CNS syndromes in adults including antibodies to VGKCs, NMDARs, glutamic acid decarboxylase (GAD), and glycine receptor (GlyR) in the stored acute serum from 10 children with unexplained encephalitis presenting with encephalopathy and status epilepticus. We also looked for antibodies to leucine-rich glioma-inactivated 1 (Lgi1) and contactin-associated protein-like 2 (Caspr2), which are now known to be tightly complexed with VGKCs in vivo. Sixty-nine pediatric controls were used for comparison. An elevated VGKC Ab (>100 pM) was detected in 4/10 patients with encephalitis compared to only 1/69 controls (p VGKC Ab-positive patients with encephalitis was variable including good recovery (n = 1), cognitive impairment (n = 3), temporal lobe epilepsy (n = 2), and mesial temporal sclerosis (n = 1). No other antibodies were detected, including those to Lgi1 and Caspr2. Encephalitis associated with VGKC Ab occurs in children and presents with status epilepticus and focal epilepsy. These antibodies are not directed against Lgi1 or Caspr2.

  17. Present status of the Tandetron Accelerator at Mutsu Establishment, JAEA

    International Nuclear Information System (INIS)

    Amano, Hikaru; Kabuto, Shoji; Kinoshita, Naoki; Suzuki, Takashi; Otosaka, Shigeyoshi; Kuwabara, Jun; Kitamura, Toshikatsu; Tanaka, Takayuki; Kitada, Yoshinobu; Watanabe, Yukiya

    2007-01-01

    The accelerator mass analyzer system at Mutsu Establishment, JAEA consists of a 3 MV tandem electrostatic accelerator and two beamlines for measuring isotope ratios of carbon and iodine. The present paper reports on (1) the operation and maintenance works in fiscal 2005, (2) the measurements of 14 C and 129 I and the related technology development, and (3) the public utilization of the system, which was started from 2006. (K.Y.)

  18. ''Use of synchrotron radiation in France: present status and perspectives''

    International Nuclear Information System (INIS)

    Thiry, P.

    1996-01-01

    LURE (laboratory for the use of electromagnetic radiation) plays an important role as a research center, as a synchrotron radiation producer and as a leading pole about new light source studies. The necessity to maintain LURE at a high level of technological competitiveness implies to build a new facility called SOLEIL. This article describes the present equipment of LURE, its activity fields and draws the prospect of synchrotron radiation in France. (A.C.)

  19. The simulation for the ATLAS experiment Present status and outlook

    CERN Document Server

    Rimoldi, A; Gallas, M; Nairz, A; Boudreau, J; Tsulaia, V; Costanzo, D

    2004-01-01

    The simulation program for the ATLAS experiment is presently operational in a full OO environment. This important physics application has been successfully integrated into ATLAS's common analysis framework, ATHENA. In the last year, following a well stated strategy of transition from a GEANT3 to a GEANT4-based simulation, a careful validation programme confirmed the reliability, performance and robustness of this new tool, as well as its consistency with the results of previous simulation. Generation, simulation and digitization steps on different sets of full physics events we retested for performance. The same software used to simulate the full the ATLAS detector is also used with testbeam configurations. Comparisons to real data in the testbeam validate both the detector description and the physics processes within each subcomponent. In this paper we present the current status of ATLAS GEANT4 simulation, describe the functionality tests performed during its validation phase, and the experience with distrib...

  20. Present status of fuel motion detection by radiation

    International Nuclear Information System (INIS)

    Sumita, Kenji; Mizuta, Hiroshi; Ishizuka, Makoto; Ara, Katsuyuki; Nakata, Hirokatsu.

    1978-05-01

    In reactor safety research, it is important to know transient fuel behavior under accidental conditions. Transient histories such as temperature and axial expansion of fuel and cladding and internal pressure of fuel rod are thus measured in experiments simulating accidents. If fuel motion could then be observed during and after fuel failure, this would greatly make for fuel behavior research. The present status is reviewed of fuel motion detections by radiations such as neutron, γ-ray and X-ray, including the principle and system. A neutron hodoscope among them is used already with practical results in in-reactor safety experiments of sodium-cooled fast breeder reactor. So, this is described in detail and its conceptual design as applied to the NSRR is presented. (auth.)

  1. Review of ORNL's MSR technology and status

    International Nuclear Information System (INIS)

    Toth, L.M.; Gat, U.; Del Cul, G.D.; Dai, S.; Williams, D.F.

    1996-01-01

    The current status of molten salt reactor development is discussed with reference to the experience from the Oak Ridge Molten Salt Reactor Experiment. Assessment of the future for this reactor system is reviewed with consideration of both advantages and disadvantages. Application of this concept to ADTT (accelerator driven transmutation technology) needs appears to be feasible by drawing on the MSRE experience. Key chemical considerations remain as: solubility, redox behavior, and chemical activity and their importance to ADTT planning is briefly explained. Priorities in the future development of molten salts for these applications are listed, with the foremost being the acceptance of the 2LiF-BeF 2 solvent system. 8 refs, 2 figs

  2. Status of 2 micron laser technology program

    Science.gov (United States)

    Storm, Mark

    1991-01-01

    The status of 2 micron lasers for windshear detection is described in viewgraph form Theoretical atmospheric and instrument system studies have demonstrated that the 2.1 micron Ho:YAG lasers can effectively measure wind speeds in both wet and dry conditions with accuracies of 1 m/sec. Two micron laser technology looks very promising in the near future, but several technical questions remain. The Ho:YAG laser would be small, compact, and efficient, requiring little or no maintenance. Since the Ho:YAG laser is laser diode pumped and has no moving part, the lifetime of this laser would be directly related to the diode laser lifetimes which can perform in excess of 10,000 hours. Efficiencies of 3 to 12 percent are expected, but laser demonstrations confirming the ability to Q-switch this laser are required. Coherent laser operation has been demonstrated for both the CW and Q-switched lasers.

  3. The status of nuclear power technology

    International Nuclear Information System (INIS)

    Calori, F.

    1976-01-01

    A survey is presented of the present state of development concerning nuclear power technology, and the prospects of a modified future development of nuclear energy in the world are dealt with, modification being necessary on account of altered conditions in the development of the energy economy. Projections are made for the development of the fuel market taking into account the quantities and costs for the various steps of the fuel cycle. (UA) [de

  4. The Present Status of Nuclear Medicine in Korea

    International Nuclear Information System (INIS)

    Lee, Mun Ho

    1968-01-01

    It is my privilege to give you a brief history on the status of nuclear medicine in Korea. There is nothing much to mention, as the history of the peaceful use of atomic energy is rather short and the RI facilities are limited in the number. It is my sincere hope, however, that you may understand what steps nuclear medicine in the developing countries did take and how it has been developed, seeing the present status of nuclear medicine in Korea, as one of the models. In our country, the peaceful use of atomic energy was actualized since the Law of Atomic Energy had been enacted in March 1959, and the Office of Atomic Energy and the Atomic Energy Research Institute had been established. The Korea Society of Nuclear Medicine was organized in 1961, which i think is one of the older in the Far East area. The Society now held about 170 members and the annual meetings in addition to the quarterly meeting have been held. The 6th general scientific meeting for 1967 is scheduled to be held in 25 November. The society publishes the Korean Journal of Nuclear Medicine twice a year, and the second issue appeared Oct. 1967. The instruments used in nuclear medicine are mostly expensive, therefore, the hospitals equipped with such instruments are inevitably limited in number and the after-service or repair of such instruments are technically not easy. Some of these difficulties, i hope, shall be overcome in the near future.

  5. ZnO growth technologies: current status and perspectives

    International Nuclear Information System (INIS)

    Lupan, Oleg

    2011-01-01

    Development of new technologies for ZnO nano materials and thin films is of critical importance for further fundamental investigations and practical applications. We discuss on the main technical control of the synthesis of zinc oxide and its properties, which are of significance in understanding the growth mechanism and further developing ZnO-based devices. Next, we present a brief summary of recent research activities, current status and progress in developing improved control of technological processes for zinc oxide as advanced material.

  6. Status of fast reactor technology in China

    International Nuclear Information System (INIS)

    Xu Mi

    1992-01-01

    The paper has introduced briefly the recent news about the Chinese nuclear programme on PWR and FBR. Concerning the FFR design, some issues under consideration have been presented, including the matches between thermo-parameters of primary sodium and of steam, the arrangement of control and safety rods which correspond to first and second shut-down systems, the structure of inner vessel and the axial length of subassembly. With regard to the R and D of FBR technology, some results on sodium technology and on the cladding materials have been given in the paper. Finally, some progress and troubles on site selection for this reactor have also been outlined. (author)

  7. The ACES mission: scientific objectives and present status

    Science.gov (United States)

    Cacciapuoti, L.; Dimarcq, N.; Salomon, C.

    2017-11-01

    "Atomic Clock Ensemble in Space" (ACES) is a mission in fundamental physics that will operate a new generation of atomic clocks in the microgravity environment of the International Space Station (ISS). The ACES clock signal will combine the medium term frequency stability of a space hydrogen maser (SHM) and the long term stability and accuracy of a frequency standard based on cold cesium atoms (PHARAO). Fractional frequency stability and accuracy of few parts in 1016 will be achieved. The on-board time base distributed on Earth via a microwave link (MWL) will be used to test fundamental laws of physics (Einstein's theories of Special and General Relativity, Standard Model Extension, string theories…) and to develop applications in time and frequency metrology, universal time scales, global positioning and navigation, geodesy and gravimetry. After a general overview on the mission concept and its scientific objectives, the present status of ACES instruments and sub-systems will be discussed.

  8. The present status of the Telescope Array experiment

    Energy Technology Data Exchange (ETDEWEB)

    Nonaka, T. [Institute for Cosmic Ray Research University of Tokyo, 5-1-5 Kashiwanoha Kashiwa Chiba (Japan); Abu-Zayyad, T.; Allen, M. [University of Utah - High Energy Astrophysics Institute, 115 S 1400 E 201, Salt Lake City, UT 84112-0830 (United States); Azuma, R. [Tokyo Institute of Technology, 2-12-1 Ohokayama Meguro-ku, Tokyo 152-8550 (Japan); Belz, J.W. [University of Utah - High Energy Astrophysics Institute, 115 S 1400 E 201, Salt Lake City, UT 84112-0830 (United States); Bergman, D.R. [Rutgers University, 136 Frelinghuysen Road, Piscataway, NJ 08854 (United States); Blake, S.A.; Brusova, O.; Cady, R.; Cao, Z. [University of Utah - High Energy Astrophysics Institute, 115 S 1400 E 201, Salt Lake City, UT 84112-0830 (United States); Chiba, J. [Tokyo University of Science, 2641 Yamazaki Noda-shi, Chiba 278-8510 (Japan); Chikawa, M. [Kinki University, 3-4-1 Kowakae, Higashiosaka-shi, Osaka 577-8582 (Japan); Cho, I.S. [Yonsei University, 134 Sinchon-dong, Seodaemun-gu, Seoul (Korea, Republic of); Fujii, H. [KEK - Institute of Particle And Nuclear Studies, 1-1 Oho Tsukuba-shi, Ibaraki 305-0801 (Japan); Fujii, T. [Osaka City University, 3-3-138 Sugimoto-cho, Sumiyoshi-ku, Osaka 558-8585 (Japan); Fukuda, T. [Tokyo Institute of Technology, 2-12-1 Ohokayama Meguro-ku, Tokyo 152-8550 (Japan); Fukushima, M. [Institute for Cosmic Ray Research University of Tokyo, 5-1-5 Kashiwanoha Kashiwa Chiba (Japan); Hayashi, K. [Tokyo Institute of Technology, 2-12-1 Ohokayama Meguro-ku, Tokyo 152-8550 (Japan); Hayashida, N. [Institute for Cosmic Ray Research University of Tokyo, 5-1-5 Kashiwanoha Kashiwa Chiba (Japan); Hibino, K. [Kanagawa University, 3-27-1 Rokkakubashi Kanagawa-ku, Yokohama-shi, Kanagawa 221-8686 (Japan)

    2009-05-15

    The Telescope Array(TA) experiment located at western desert in Utah USA (N39.3,W112.9) is designed for observation of air shower from extreme high energy cosmic rays. The TA detector consists of 2 types of detector to enable a cross check on systematic difference from the two main methods of observation for the energy region. One is a Fluorescence detector (FD) for detecting fluorescence light from air shower and another is surface detector (SD) array for detecting air shower particles at ground level. Each SD consists of 2 layers of plastic scintillator with 3m{sup 2} of surface and more sensitive to electromagnetic component in air shower. The full operation using 3FD stations and full SD array has started. Here we present the updated status of Telescope Array experiment.

  9. Present status of uranium resource development in foreign countries, 1984

    International Nuclear Information System (INIS)

    1984-12-01

    The book of the same title as this one was published in 1983. Since then, the situation requiring the correction of the contents, such as the correction of uranium resource policy in various countries accompanying the change of uranium market condition and the change of uranium policy in Australia due to the political situation, has occurred, consequently, the revision has been made adding these new information. The confirmed resources of uranium and the resources of uranium to be added by estimation in the free world are tabulated. About each country, the organization and policy, the policy of exporting uranium and the present status of the export, the quantity of uranium resources, the production of uranium, the state of exploration and development and so on are reported. Japan has taken part in the development of uranium resources in Australia, Canada, Gabon, Zambia, Morocco, Guinea, Mali and so on. (Kako, I.)

  10. Survey on present status and trend of parallel programming environments

    International Nuclear Information System (INIS)

    Takemiya, Hiroshi; Higuchi, Kenji; Honma, Ichiro; Ohta, Hirofumi; Kawasaki, Takuji; Imamura, Toshiyuki; Koide, Hiroshi; Akimoto, Masayuki.

    1997-03-01

    This report intends to provide useful information on software tools for parallel programming through the survey on parallel programming environments of the following six parallel computers, Fujitsu VPP300/500, NEC SX-4, Hitachi SR2201, Cray T94, IBM SP, and Intel Paragon, all of which are installed at Japan Atomic Energy Research Institute (JAERI), moreover, the present status of R and D's on parallel softwares of parallel languages, compilers, debuggers, performance evaluation tools, and integrated tools is reported. This survey has been made as a part of our project of developing a basic software for parallel programming environment, which is designed on the concept of STA (Seamless Thinking Aid to programmers). (author)

  11. Present status of the JT-60 control system

    International Nuclear Information System (INIS)

    Kimura, T.

    1992-01-01

    The present status of the control system for a large fusion device of the JT-60 upgrade tokamak is reported including its original design concept, the progress of the system in the past five-year operation and modification for the upgrade. The control system has the features of hierarchical structure, computer control, adoption of CAMAC interfaces and protective interlock by both software and hard-wired systems. Plant monitoring and control are performed by an efficient data communication via CAMAC highways. Sequential discharge control of is executed by a combination of computers and a timing system. A plasma feedback control system with fast 32-bit microprocessors and a man/machine interface with modern workstations have been newly developed for the operation of the JT-60 upgrade. (author)

  12. Present status of controversies regarding the thermal Casimir force

    International Nuclear Information System (INIS)

    Mostepanenko, V M; Bezerra, V B; Decca, R S; Geyer, B; Fischbach, E; Klimchitskaya, G L; Krause, D E; Lopez, D; Romero, C

    2006-01-01

    It is well known that, beginning in 2000, the behaviour of the thermal correction to the Casimir force between real metals has been hotly debated. As was shown by several research groups, the Lifshitz theory, which provides the theoretical foundation for the calculation of both the van der Waals and Casimir forces, leads to different results depending on the model of metal conductivity used. To resolve these controversies, theoretical considerations based on the principles of thermodynamics and new experimental tests were invoked. We analyse the present status of the problem (in particular, the advantages and disadvantages of the approaches based on the surface impedance and on the Drude model dielectric function) using rigorous analytical calculations of the entropy of a fluctuating field. We also discuss the results of a new precise experiment on the determination of the Casimir pressure between two parallel plates by means of a micromechanical torsional oscillator

  13. Diamond detector technology: status and perspectives

    CERN Document Server

    Kagan, Harris; Artuso, M; Bachmair, F; Bäni, L; Bartosik, M; Beacham, J; Beck, H P; Bellini,, V; Belyaev, V; Bentele, B; Berdermann, E; Bergonzo, P; Bes, A; Brom, J-M; Bruzzi, M; Cerv, M; Chiodini, G; Chren, D; Cindro, V; Claus, G; Collot, J; Cumalat, J; Dabrowski, A; D'Alessandro, R; De Boer, W; Dehning, B; Dorfer, C; Dunser, M; Eremin, V; Eusebi, R; Forcolin, G; Forneris, J; Frais-Kölbl, H; Gan, K K; Gastal, M; Giroletti, C; Goffe, M; Goldstein, J; Golubev, A; Gorišek, A; Grigoriev, E; Grosse-Knetter, J; Grummer, A; Gui, B; Guthoff, M; Haughton, I; Hiti, B; Hits, D; Hoeferkamp, M; Hofmann, T; Hosslet, J; Hostachy, J-Y; Hügging, F; Hutton, C; Jansen, H; Janssen, J; Kanxheri, K; Kasieczka, G; Kass, R; Kassel, F; Kis, M; Kramberger, G; Kuleshov, S; Lacoste, A; Lagomarsino, S; Lo Giudice, A; Lukosi, E; Maazouzi, C; Mandic, I; Mathieu, C; Mcfadden, N; Menichelli, M; Mikuž, M; Morozzi, A; Moss, J; Mountain, R; Murphy, S; Muškinja, M; Oh, A; Oliviero, P; Passeri, D; Pernegger, H; Perrino, R; Picollo, F; Pomorski, M; Potenza, R; Quadt, A; Re, A; Reichmann, M; Riley, G; Roe, S; Sanz, D; Scaringella, M; Schaefer, D; Schmidt, C J; Schnetzer, S; Schreiner, T; Sciortino, S; Scorzoni, A; Seidel, S; Servoli, L; Sopko, B; Sopko, V; Spagnolo, S; Spanier, S; Stenson, K; Stone, R; Sutera, C; Taylor, Aaron; Traeger, M; Tromson, D; Trischuk, W; Tuve, C; Uplegger, L; Velthuis, J; Venturi, N; Vittone, E; Wagner, Stephen; Wallny, R; Wang, J C; Weingarten, J; Weiss, C; Wengler, T; Wermes, N; Yamouni, M; Zavrtanik, M

    2017-01-01

    The status of material development of poly-crystalline chemical vapor deposition (CVD) diamond is presented. We also present beam test results on the independence of signal size on incident par-ticle rate in charged particle detectors based on un-irradiated and irradiated poly-crystalline CVD diamond over a range of particle fluxes from 2 kHz/cm2 to 10 MHz/cm2. The pulse height of the sensors was measured with readout electronics with a peaking time of 6 ns. In addition the first beam test results from 3D detectors made with poly-crystalline CVD diamond are presented. Finally the first analysis of LHC data from the ATLAS Diamond Beam Monitor (DBM) which is based on pixelated poly-crystalline CVD diamond sensors bump-bonded to pixel readout elec-tronics is shown.

  14. Present status of research and development on underground disposal

    International Nuclear Information System (INIS)

    1994-11-01

    Power Reactor and Nuclear Fuel Development Corporation published the technical report 'Research and development of the formation disposal of high level radioactive waste' 1991 in 1992, summarizing the results of the research and development of the formation disposal which have been advanced by dividing into three parts, that is, the investigation and research of geological environment conditions, the research and development of disposal technologies, and the research on the performance evaluation. Based on the subjects pointed out during the process of making the technical report, the results of evaluation by the state, and the opinions of those concerned, the efforts are exerted toward the second summarization expected in about 2000. By informing the present state of the research and development, in order to accept the criticism and advice, this book was published. The way of thinking and the method of advancing of the research and development of formation disposal, the present state of the research on geological environment conditions, disposal technologies and the performance evaluation are described. Also the present state of the research on stratum science in Tono and Kamaishi mines and others is reported. (K.I.)

  15. Present status of research and development on underground disposal

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1994-11-01

    Power Reactor and Nuclear Fuel Development Corporation published the technical report `Research and development of the formation disposal of high level radioactive waste` 1991 in 1992, summarizing the results of the research and development of the formation disposal which have been advanced by dividing into three parts, that is, the investigation and research of geological environment conditions, the research and development of disposal technologies, and the research on the performance evaluation. Based on the subjects pointed out during the process of making the technical report, the results of evaluation by the state, and the opinions of those concerned, the efforts are exerted toward the second summarization expected in about 2000. By informing the present state of the research and development, in order to accept the criticism and advice, this book was published. The way of thinking and the method of advancing of the research and development of formation disposal, the present state of the research on geological environment conditions, disposal technologies and the performance evaluation are described. Also the present state of the research on stratum science in Tono and Kamaishi mines and others is reported. (K.I.).

  16. Present status of food irradiation and trend of its development

    International Nuclear Information System (INIS)

    Maha, Munsiah

    1998-01-01

    Food irradiation has been studied, tested and evaluated intensively for more than 40 years, and at present, this technology has been taking-off for commercial use in many countries. Some 40 countries have approved its application for various food items on groups of food, and about 60 commercial irradiators have been providing irradiation service for food in 29 countries. In 1983, Codex General Standard for Irradiated Food with average irradiation dose limit not exceeding 10 kGy. The latest WHO press release on September 1997 stated that the maximum 10 kGy limit should not be there, since scientific evidences indicated that food irradiated even up to 75 kGy was safe to be consumed, as long as the sensory quality was acceptable and pathogenic organisms had been killed. The development of food irradiation in advanced countries, especially in USA is very significant lately, and hopefully this will be followed by other countries. In Indonesia, application of this technology has been approved since 1987, and six items or groups of food have been cleared for commercial irradiation. Further development and introduction of the technology are still needed to widen its application and to increase public awareness through harmonization of regulations among countries and dissemination of information. In addition, irradiation techniques for some specific purpose using either low dose, medium or high doses should be established to support effective, efficient and economical application. (author)

  17. Overview and present status of the IAEA/RADWASS programme

    International Nuclear Information System (INIS)

    Abe, Masayoshi

    1998-01-01

    Since 1991 the International Atomic Energy Agency (IAEA) has been developing a series of safety standards documents in the field of radioactive waste management, named 'the Radioactive Waste Safety Standards (RADWASS) Programme'. The RADWASS programme is intended to establish and promote, in a coherent and comprehensive manner, the basic safety philosophy for radioactive waste management and the step necessary to ensure its implementation. And has main purposes that RADWASS publication will; (a) reflect the existing international consensus in the approaches and methodologies for a safe radioactive waste management, including disposal, and provide mechanisms to establish consensus where it does not yet exist; and (b) provide Member States with a comprehensive series of internationally agreed documents to assist in the derivation of and to complement national criteria, standards and practices. In progress, the programme was changed in 1996 its structure and documents preparation process as well as properties of RADWASS documents, the former phase was supervised by the International Radioactive Waste Management Advisory Committee (INWAC), and present phase is by the Waste Safety Standards Advisory Committee (WASSAC). Six safety series documents were published in the former programme, and several safety standards documents in the present RADWASS programme are in progress of publishing, some of them are expected to be published within several months. The overview and present status of the RADWASS programme including outline of those documents' contents already published and under the preparation are described in this report. (author)

  18. Beamlines on Indus-1 and Indus-2: present status

    International Nuclear Information System (INIS)

    Lodha, G.S.; Deb, S.K.

    2010-01-01

    Indus-1 (450 MeV) is an efficient synchrotron radiation (SR) source in the soft X-ray/vacuum ultra violet region of the electromagnetic spectrum. For Indus-1 the higher order energy contamination in soft X-ray region, heat load and radiation safety problems are also significantly low. At present five beamlines are operational. This SR source is a national science facility being used by various research group across the country. Strong efforts are underway to increase the user base of Indus-1. The talk presents some of the recent studies carried out using Indus-1. Indus-2 (2.5 GeV) synchrotron source is one of the most important accelerator based science facilities being setup in India. A few beamlines have been commissioned and are being used by researchers from different institutes. This talk gives present status of the various beamlines and experimental stations on Indus-2. It is envisaged that the atomic and molecular science community can actively participate in planning experiments on Indus-1 and Indus-2 and setup experimental stations on Indus-2. (author)

  19. Present status of the Liquid Breeder Validation Module for IFMIF

    International Nuclear Information System (INIS)

    Casal, Natalia; Mas, Avelino; Mota, Fernando; García, Ángela; Rapisarda, David; Nomen, Oriol; Arroyo, Jose Manuel; Abal, Javier; Mollá, Joaquín; Ibarra, Ángel

    2013-01-01

    Highlights: • The LBVM will be used to perform irradiation experiments on functional materials for fusion reactors. • It houses 16 experimental rigs, each one containing a EUROFER capsule partially filled with lithium lead, at 300–550 °C. • A helium purge gas will sweep the tritium permeated through the capsule walls to a tritium measuring station. • A helium cooling system will keep tritium diffusion within safe margins and guarantee its mechanical integrity. • Thermal hydraulic and mechanical calculations, the module instrumentation and aspects as safety or RAMI are presented. -- Abstract: One of the objectives of IFMIF (International Fusion Materials Irradiation Facility), as stated in its specifications, is the validation of breeder blanket concepts for DEMO design. The so-called Liquid Breeder Validation Module (LBVM) will be used in IFMIF to perform experiments under irradiation on functional materials related to liquid breeder concepts for future fusion reactors. This module, not considered in previous IFMIF design phases, is currently under design by CIEMAT in the framework of the IFMIF/EVEDA project. In this paper, the present status of the design of the LBVM is presented

  20. Present status of the Liquid Breeder Validation Module for IFMIF

    Energy Technology Data Exchange (ETDEWEB)

    Casal, Natalia, E-mail: natalia.casal@ciemat.es [Laboratorio Nacional de Fusión por Confinamiento Magnético – CIEMAT, 28040 Madrid (Spain); Mas, Avelino; Mota, Fernando; García, Ángela; Rapisarda, David [Laboratorio Nacional de Fusión por Confinamiento Magnético – CIEMAT, 28040 Madrid (Spain); Nomen, Oriol [Institut de Recerca en Energia de Catalunya (IREC), Barcelona (Spain); Centre de Disseny d’Equips Industrials (CDEI), Technical University of Catalonia (UPC), Barcelona (Spain); Arroyo, Jose Manuel [Laboratorio Nacional de Fusión por Confinamiento Magnético – CIEMAT, 28040 Madrid (Spain); Abal, Javier [Fusion Energy Engineering Laboratory (FEEL), Technical University of Catalonia (UPC) Barcelona-Tech, Barcelona (Spain); Mollá, Joaquín; Ibarra, Ángel [Laboratorio Nacional de Fusión por Confinamiento Magnético – CIEMAT, 28040 Madrid (Spain)

    2013-10-15

    Highlights: • The LBVM will be used to perform irradiation experiments on functional materials for fusion reactors. • It houses 16 experimental rigs, each one containing a EUROFER capsule partially filled with lithium lead, at 300–550 °C. • A helium purge gas will sweep the tritium permeated through the capsule walls to a tritium measuring station. • A helium cooling system will keep tritium diffusion within safe margins and guarantee its mechanical integrity. • Thermal hydraulic and mechanical calculations, the module instrumentation and aspects as safety or RAMI are presented. -- Abstract: One of the objectives of IFMIF (International Fusion Materials Irradiation Facility), as stated in its specifications, is the validation of breeder blanket concepts for DEMO design. The so-called Liquid Breeder Validation Module (LBVM) will be used in IFMIF to perform experiments under irradiation on functional materials related to liquid breeder concepts for future fusion reactors. This module, not considered in previous IFMIF design phases, is currently under design by CIEMAT in the framework of the IFMIF/EVEDA project. In this paper, the present status of the design of the LBVM is presented.

  1. Present status of FLNR (JINR) ECR ion sources

    International Nuclear Information System (INIS)

    Bogomolov, S.; Efremov, A.; Loginov, V.; Lebedev, A.; Yazvitsy, N.; Bekhterev, V.; Kostukhov, Y.; Gulbekian, G.; Gikal, B.; Drobin, V.; Seleznev, V.; Seleznev, V.

    2012-01-01

    Six ECR ion sources have been operated in the Flerov Laboratory of Nuclear Reactions (JINR). Two 14 GHz ECR ion sources (ECR4M and DECRIS-2) supply various ion species for the U400 and U400M cyclotrons correspondingly for experiments on the synthesis of heavy and exotic nuclei using ion beams of stable and radioactive isotopes. The 18 GHz DECRIS-SC ion source with superconducting magnet system produces ions from Ar up to W for solid state physics experiments and polymer membrane fabrication at the IC-100 cyclotron. The third 14 GHz ion source DECRIS-4 with 'flat' minimum of the axial magnetic field is used as a stand alone machine for test experiments and also for experiments on ion modification of materials. The other two compact ECR ion sources with all permanent magnet configuration have been developed for the production of single charged ions and are used at the DRIBs installation and at the MASHA mass-spectrometer. In this paper, present status of the ion sources, recent developments and plans for modernization are reported. The paper is followed by the slides of the presentation. (authors)

  2. Nonextensive statistical mechanics: a brief review of its present status

    Directory of Open Access Journals (Sweden)

    CONSTANTINO TSALLIS

    2002-09-01

    Full Text Available We briefly review the present status of nonextensive statistical mechanics. We focus on (i the central equations of the formalism, (ii the most recent applications in physics and other sciences, (iii the a priori determination (from microscopic dynamics of the entropic index q for two important classes of physical systems, namely low-dimensional maps (both dissipative and conservative and long-range interacting many-body hamiltonian classical systems.Revisamos sumariamente o estado presente da mecânica estatística não-extensiva. Focalizamos em (i as equacões centrais do formalismo; (ii as aplicações mais recentes na física e em outras ciências, (iii a determinação a priori (da dinâmica microscópica do índice entrópico q para duas classes importantes de sistemas físicos, a saber, mapas de baixa dimensão (tanto dissipativos quanto conservativos e sistemas clássicos hamiltonianos de muitos corpos com interações de longo alcance.

  3. Present status of inertial confinement fusion reactor design

    International Nuclear Information System (INIS)

    Mima, Kunioki; Ido, Shunji; Nakai, Sadao.

    1986-01-01

    Since inertial nuclear fusion reactors do not require high vacuum and high magnetic field, the structure of the reactor cavity becomes markedly simple as compared with tokamak type fusion reactors. In particular, since high vacuum is not necessary, liquid metals such as lithium and lead can be used for the first wall, and the damage of reactor structures by neutrons can be prevented. As for the core, the energy efficiency of lasers is not very high, accordingly it must be designed so that the pellet gain due to nuclear fusion becomes sufficiently high, and typically, the gain coefficient from 100 to 200 is necessary. In this paper, the perspective of pellet gain, the plan from the present status to the practical reactors, and the conceptual design of the practical reactors are discussed. The plan of fuel ignition, energy break-even and high gain by the implosion mode, of which the uncertain factor due to uneven irradiation and instability was limited to the minimum, was clarified. The scenario of the development of laser nuclear fusion reactors is presented, and the concept of the reactor system is shown. The various types of nuclear fusion-fission hybrid reactors are explained. As for the design of inertial fusion power reactors, the engineering characteristics of the core, the conceptual design, water fall type reactors and DD fuel reactors are discussed. (Kako, I.)

  4. The present status of the blowdown code BRUCH

    International Nuclear Information System (INIS)

    Karwat, H.

    1975-01-01

    The present status and the important features of the blowdown code for a PWR, BRUCH-D version 04 which is presently in use, are described. The code is to investigate the depressurization process, fluid dynamic situation in the core, the fuel temperature and the core mass flow as influenced by important primary system components such as steam generators, pumps etc. The code is a multinode point model with a fixed node arrangement. It makes use of the basic fluid dynamic equations describing the mass, energy and volume conservation as well as the momentum equation and the equation of state with appropriate assumptions. The core heat generation and heat transfer to the fluid is simulated by a given number of average fuel rods with up to 20 axial segmentation independent of the axial subdivision of the core fluid region. In parallel up to 5 types of the fuel rods can be studied. The pump behaviour is specified by input. For the break flow, the code provides three models; Bernoulli, homogenous and moody. The implicit-explicit method IMEX is used for the integration of the differential equations. An example for application of BRUCH-S to an experiment which is for a BWR but has some basis of BRUCH-D is also shown in the paper

  5. The CAREM project: Present status and development activities

    International Nuclear Information System (INIS)

    Boado Magan, H.J.; Ordonez, J.P.; Hey, A.

    1997-01-01

    The CAREM Project is a low power NPP of 25 Mwe, with an integrated self pressurized primary system. The cooling of the primary system is of the natural circulation type and several passive safety systems are included. The owner of the Project is Argentina's CNEA (Comision Nacional de Energia Atomica) and its associated company, INVAP, is the main contractor. The present status of the CAREM Project is presented. The possible evolution of the CAREM project is mentioned in relation with a new containment design. A short description of the Experimental Facilities, listed below, already in operation and under construction are also included: CAPCN High Pressure Loop. Natural convection loop to verify dynamic response and critical heat flux; RA-8. Critical Facility, designed and constructed for the CAREM Project (that may be used as a general uses facility); RPV lnternals. The whole assembly of absorbent rods, connecting rods and the rode guides are being constructed in a 1:1 scale. The aims of this experimental facility are vibration analysis and manufacturing parameters definitions. Control Drive Mechanisms. A series of verification and tests are being carried out on these within RPV Hydraulically driven mechanisms. Other development activities are mentioned in relation with the thermalhydraulics, Steam Generators and Control. (author)

  6. Present status of ESNIT (energy selective neutron irradiation test facility) program

    International Nuclear Information System (INIS)

    Noda, K.; Ohno, H.; Sugimoto, M.; Kato, Y.; Matsuo, H.; Watanabe, K.; Kikuchi, T.; Sawai, T.; Usui, T.; Oyama, Y.; Kondo, T.

    1994-01-01

    The present status of technical studies of a high energy neutron irradiation facility, ESNIT (energy selective neutron irradiation test facility), is summarized. Technological survey and feasibility studies of ESNIT have continued since 1988. The results of technical studies of the accelerator, the target and the experimental systems in ESNIT program were reviewed by an International Advisory Committee in February 1993. Recommendations for future R and D on ESNIT program are also summarized in this paper. ((orig.))

  7. Present status and legal countermeasures of electromagnetic radiation pollution in China

    International Nuclear Information System (INIS)

    Qiu Qiu

    2007-01-01

    With the wide utilization of electronic technology, electromagnetic radiation has rapidly been one of the most serious pollution sources, causing corresponding disputes of pollution on the rise and the contradictions sharp increasingly because of the limited supply and research of law. The article analyses the characters and present status of electromagnetic radiation pollution, points out the inadequacy supply of relevant law and its reasons and presents legal countermeasures, that is: complying with present laws, establishing national standard systems, strengthening local legislation. The paper also presents the basic idea and principle of making 'Prevention Electromagnetic Radiation Pollution'. (authors)

  8. Radiation education in Poland. The present status and perspectives

    International Nuclear Information System (INIS)

    Goraczko, W.

    1999-01-01

    The necessity for the continued education about radiation (both in nuclear science and the technical application of radioisotopes) in the educational systems is obvious. For many years this subject has been part of a students education in physics as well as nonphysical areas of study, such as chemistry, biology, medicine, ecology and agriculture. Unfortunately in the wake of the disaster at Chernobyl, a number of negative factors have resulted that have undermined both educations in this crucial area and financial investment in Polish radiation institutes. Some sociologists have termed this behavior/viewpoint 'radio-phobia phenomena'. Might I be so bold as to recoin it as 'nuclear related paranoia' since it has caused a general breakdown in rational, 'cause and effect analysis' even within respectable scientific circles, including prominent radio biologists, who now accept radiation only as a destructive factor in biological and human life. The most important factor in this campaign will be the promotion and presentation of radiation in simple-understandable terms through the following outlets, (popular articles, TV programs, objective classroom presentation and so on), designed to be easily understandable to society as a whole. In this support is to be found in some governmental and independent organization, which do attempt to show radiation as bio-positive, human friendly and an economically indispensable factor for the future. However our fight with the so-called coal lobby' will continue to be difficult. Help by international organizations such as the I.A.E.A. will not suffice in this battle. In this article the author tries to describe the Polish education system and statistical data showing the present status of radiation science, radiation education and the quantity of students and experts in the field. As a nuclear physicist and specialist in radiation protection, lecturer and an Inspector of Radiation Protection, he provides insights from his own

  9. Present status of the TJ-II remote participation system

    International Nuclear Information System (INIS)

    Vega, J.; Sanchez, E.; Lopez, A.; Portas, A.; Ochando, M.; Ascasibar, E.; Mollinedo, A.; Munoz, J.; Sanchez, A.; Ruiz, M.; Barrera, E.; Lopez, S.; Castro, R.; Lopez, D.

    2005-01-01

    The TJ-II remote participation system (RPS) was designed to extend to Internet the working capabilities provided in the TJ-II local environment, i.e., tracking the TJ-II operation, monitoring/programming data acquisition and control systems, and accessing databases. The TJ-II RPS was based on web and Java technologies because of their open character, security properties and technological maturity. A web server acts as a communication front-end between remote participants and local TJ-II elements. From the server side, web services are provided by means of resources supplied by JSP pages. The client part makes use of web browsers and ad hoc Java applications. The operation requires the use of a distributed authentication and authorization system. This development employs the PAPI System. At present, approximately 1000 digitisation channels can be managed from the TJ-II RPS. Furthermore, processing software based on a 4GL language (LabView) can be downloaded to multiprocessor data acquisition systems. Also, 15 diagnostic control systems, databases and the operation logbook are available from the RPS. The system even allows for the physicist in charge of operation to be in a remote location. Four Spanish universities make use of the TJ-II remote participation system capabilities for joint collaborations: these are the Universidad Politecnica de Madrid (UPM), Universidad Nacional de Educacion a Distancia (UNED), Universidad Complutense de Madrid (UCM) and Universidad Politecnica de Cataluna (UPC)

  10. NASA/ESTO investments in remote sensing technologies (Conference Presentation)

    Science.gov (United States)

    Babu, Sachidananda R.

    2017-02-01

    For more then 18 years NASA Earth Science Technology Office has been investing in remote sensing technologies. During this period ESTO has invested in more then 900 tasks. These tasks are managed under multiple programs like Instrument Incubator Program (IIP), Advanced Component Technology (ACT), Advanced Information Systems Technology (AIST), In-Space Validation of Earth Science Technologies (InVEST), Sustainable Land Imaging - Technology (SLI-T) and others. This covers the whole spectrum of technologies from component to full up satellite in space and software. Over the years many of these technologies have been infused into space missions like Aquarius, SMAP, CYGNSS, SWOT, TEMPO and others. Over the years ESTO is actively investing in Infrared sensor technologies for space applications. Recent investments have been for SLI-T and InVEST program. On these tasks technology development is from simple Bolometers to Advanced Photonic waveguide based spectrometers. Some of the details on these missions and technologies will be presented.

  11. USDOE radioactive waste incineration technology: status review

    International Nuclear Information System (INIS)

    Borduin, L.C.; Taboas, A.L.

    1980-01-01

    Early attempts were made to incinerate radioactive wastes met with operation and equipment problems such as feed preparation, corrosion, inadequate off-gas cleanup, incomplete combustion, and isotope containment. The US Department of Energy (DOE) continues to sponsor research, development, and the eventual demonstration of radioactive waste incineration. In addition, several industries are developing proprietary incineration system designs to meet other specific radwaste processing requirements. Although development efforts continue, significant results are available for the nuclear community and the general public to draw on in planning. This paper presents an introduction to incineration concerns, and an overview of the prominent radwaste incineration processes being developed within DOE. Brief process descriptions, status and goals of individual incineration systems, and planned or potential applications are also included

  12. Present status of intermediate band solar cell research

    International Nuclear Information System (INIS)

    Cuadra, L.; Marti, A.; Luque, A.

    2004-01-01

    The intermediate band solar cell is a theoretical concept with the potential for exceeding the performance of conventional single-gap solar cells. This novel photovoltaic converter bases its superior theoretical efficiency over single-gap solar cells by enhancing its photogenerated current, via the two-step absorption of sub-band gap photons, without reducing its output voltage. This is achieved through a material with an electrically isolated and partially filled intermediate band located within a higher forbidden gap. This material is commonly named intermediate band material. This paper centres on summarising the present status of intermediate band solar cell research. A number of attempts, which aim to implement the intermediate band concept, are being followed: the direct engineering of the intermediate band material, its implementation by means of quantum dots and the highly porous material approach. Among other sub-band gap absorbing proposals, there is a renewed interest on the impurity photovoltaic effect, the quantum well solar cells and the particularly promising proposal for the use of up- and down-converters

  13. Design of the muon collider lattice: Present status

    International Nuclear Information System (INIS)

    Garren, A.; Courant, E.; Gallardo, J.

    1996-05-01

    The last component of a muon collider facility, as presently envisioned, is a colliding-beam storage ring. Design studies on various problems for this ring have been in progress over the past year. In this paper we discuss the current status of the design. The projected muon currents require very low beta values at the IP, β* = 3 mm, in order to achieve the design luminosity of L = 10 35 cm -2 s -1 . The beta values in the final-focus quadrupoles are roughly 400 km. To cancel the corresponding chromaticities, sextupole schemes for local correction have been included in the optics of the experimental insertion. The hour-glass effect constraints the bunch length to be comparable too. To obtain such short bunches with reasonable rf voltage requires a very small value of the momentum compaction a, which can be obtained by using flexible momentum compaction (FMC) modules in the arcs. A preliminary design of a complete collider ring has now been made; it uses an experimental insertion and arc modules as well as a utility insertion. The layout of this ring is shown schematically, and its parameters are summarized. Though some engineering features are unrealistic, and the beam performance needs some improvement, we believe that this study can serve as the basis for a workable collider design. The remaining sections of the paper will describe the lattice, show beam behaviour, and discuss future design studies

  14. Dengue vector control: present status and future prospects.

    Science.gov (United States)

    Yap, H H; Chong, N L; Foo, A E; Lee, C Y

    1994-12-01

    Dengue Fever (DF) and Dengue Haemorrhagic Fever (DHF) have been the most common urban diseases in Southeast Asia since the 1950s. More recently, the diseases have spread to Central and South America and are now considered as worldwide diseases. Both Aedes aegypti and Aedes albopictus are involved in the transmission of DF/DHF in Southeast Asian region. The paper discusses the present status and future prospects of Aedes control with reference to the Malaysian experience. Vector control approaches which include source reduction and environmental management, larviciding with the use of chemicals (synthetic insecticides and insect growth regulators and microbial insecticide), and adulticiding which include personal protection measures (household insecticide products and repellents) for long-term control and space spray (both thermal fogging and ultra low volume sprays) as short-term epidemic measures are discussed. The potential incorporation of IGRs and Bacillus thuringiensis-14 (Bti) as larvicides in addition to insecticides (temephos) is discussed. The advantages of using water-based spray over the oil-based (diesel) spray and the use of spray formulation which provide both larvicidal and adulticidal effects that would consequently have greater impact on the overall vector and disease control in DF/DHF are highlighted.

  15. Present construction status and future plan of JT-60

    Energy Technology Data Exchange (ETDEWEB)

    Iso, Yasuhiko; Yoshikawa, Masaji [Japan Atomic Energy Research Inst., Tokai, Ibaraki. Tokai Research Establishment

    1982-04-01

    As for the critical plasma test facility JT-60, its detailed design was initiated in 1975, and the manufacture of the main body components was started in April, 1978, through the trial manufacture and development of important components. The manufacture of all the system equipment in factories is in progress. Especially, the essential components of main body have been almost completed, and ready to be installed in the building. The building is under construction, and a part of the equipment was brought in and installed since the beginning of 1982 fiscal year. JT-60 is composed of heating system, toroidal magnetic field coil power supply, poloidal magnetic field coil power supply, total control system, associated system for main body and various measuring equipment as well as the main body which consists of vacuum vessel, toroidal and poloidal magnetic field coils, base, primary cooling system, movable limiter and evacuating system. In this report, first the significance of JT-60 development and the outline of JT-60 are described, and the present construction status is reported. The specifications of the essential equipment of the main body and heating system and the measuring system configuration are listed in tables. The aims in JT-60 design are to make plasma generating pulse width longer, to obtain higher beta value in circular cross-section plasma, to install the magnetic limiter, and to realize compound second stage heating.

  16. History and present status of field application of radiotracers, 3

    International Nuclear Information System (INIS)

    Kimura, Shigehiko; Sato, Otomaru.

    1988-01-01

    The history and present status of the utilization of RI tracers for hydrology are described by dividing into surface water and groundwater. By the birth of nuclear reactors, the availability of RIs became easy, and the utilization of tracers for hydrology has been attempted worldwide. The large scale development of water resources is required for increasing agricultural production, and the analysis of the actual condition of hydrological phenomena is indispensable for the purpose. The hydrology committee of IAEA aided the development of new techniques in the peaceful use of atomic energy, and let developing countries use the developed techniques together with researchers. The research on the field application of RI tracers in Japan began in agriculture, and the investigation of water leak in dams, the measurement of flow rate and flow velocity in rivers, the detection of the state of sand movement on sea bottom, the analysis of groundwater flow and so on have been carried out. Also the recent situation in foreign countries is reported about the measurement of flow rate, the measurement of flowing-down time and diffusion, the analysis of the behavior of lake water, the movement of mud and sediment, and the analysis of groundwater flow. (Kako, I.)

  17. History and present status of field application of radiotracers, 3

    Energy Technology Data Exchange (ETDEWEB)

    Kimura, Shigehiko; Sato, Otomaru

    1988-06-01

    The history and present status of the utilization of RI tracers for hydrology are described by dividing into surface water and groundwater. By the birth of nuclear reactors, the availability of RIs became easy, and the utilization of tracers for hydrology has been attempted worldwide. The large scale development of water resources is required for increasing agricultural production, and the analysis of the actual condition of hydrological phenomena is indispensable for the purpose. The hydrology committee of IAEA aided the development of new techniques in the peaceful use of atomic energy, and let developing countries use the developed techniques together with researchers. The research on the field application of RI tracers in Japan began in agriculture, and the investigation of water leak in dams, the measurement of flow rate and flow velocity in rivers, the detection of the state of sand movement on sea bottom, the analysis of groundwater flow and so on have been carried out. Also the recent situation in foreign countries is reported about the measurement of flow rate, the measurement of flowing-down time and diffusion, the analysis of the behavior of lake water, the movement of mud and sediment, and the analysis of groundwater flow. (Kako, I.).

  18. The MQC experiment on Rome: Present status and future developments

    International Nuclear Information System (INIS)

    Cosmelli, C.

    1998-01-01

    The study of phenomena related to the quantum behavior of macroscopic systems is subjected to new efforts both from theoretical and experimental point of view. The validity in fact of the description of macroscopic systems given by Quantum Mechanics is still under test, especially for what concerns the macrorealistic interpretation of the real world and the influence of dissipation on quantum systems. Many groups tried in the last few years to realize an experimental set-up to perform an MQC experiment; the intrinsic dissipation however limited the possibility to fulfill the experimental requirements. The technology for realizing high quality Josephson Junctions is now so advanced that in principle the tests proposed in the last ten years can hopefully performed with success. In the following we will present a short description of the basic principles for an MQC experiment, with special emphasis on the experiment planned by the Rome group. (author)

  19. The status of beryllium technology for fusion

    Energy Technology Data Exchange (ETDEWEB)

    Scaffidi-Argentina, F.; Longhurst, G.R. E-mail: gx1@inel.gov; Shestakov, V.; Kawamura, H

    2000-12-01

    Beryllium was used for a number of years in the Joint European Torus (JET), and it is planned to be used extensively on the lower heat-flux surfaces of the reduced technical objective/reduced cost international thermonuclear experimental reactor (RTO/RC ITER). It has been included in various forms in a number of tritium breeding blanket designs. There are technical advantages but also a number of safety issues associated with the use of beryllium. Research in a variety of technical areas in recent years has revealed interesting issues concerning the use of beryllium in fusion. Progress in this research has been presented at a series of International Workshops on Beryllium Technology for Fusion. The most recent workshop was held in Karlsruhe, Germany on 15-17 September 1999. In this paper, a summary of findings presented there and their implications for the use of beryllium in the development of fusion reactors are presented.

  20. The status of beryllium technology for fusion

    International Nuclear Information System (INIS)

    Scaffidi-Argentina, F.; Longhurst, G.R.; Shestakov, V.; Kawamura, H.

    2000-01-01

    Beryllium was used for a number of years in the Joint European Torus (JET), and it is planned to be used extensively on the lower heat-flux surfaces of the reduced technical objective/reduced cost international thermonuclear experimental reactor (RTO/RC ITER). It has been included in various forms in a number of tritium breeding blanket designs. There are technical advantages but also a number of safety issues associated with the use of beryllium. Research in a variety of technical areas in recent years has revealed interesting issues concerning the use of beryllium in fusion. Progress in this research has been presented at a series of International Workshops on Beryllium Technology for Fusion. The most recent workshop was held in Karlsruhe, Germany on 15-17 September 1999. In this paper, a summary of findings presented there and their implications for the use of beryllium in the development of fusion reactors are presented

  1. A case of nonconvulsive status epilepticus presenting as ...

    African Journals Online (AJOL)

    disorders has generated interest since ancient times. ... disorders and personality disorders. ... He was hospitalised for a diagnostic work-up. ... Nonconvulsive status epilepticus is characterised by changes in behaviour, memory, affect or level ...

  2. Radiation education in Poland. The present status and perspectives

    Energy Technology Data Exchange (ETDEWEB)

    Goraczko, W. [Technical Univ. Poznan, Radio- and Photochemistry Dept., Poznan, Piotrowo (Poland)

    1999-09-01

    The necessity for the continued education about radiation (both in nuclear science and the technical application of radioisotopes) in the educational systems is obvious. For many years this subject has been part of a students education in physics as well as nonphysical areas of study, such as chemistry, biology, medicine, ecology and agriculture. Unfortunately in the wake of the disaster at Chernobyl, a number of negative factors have resulted that have undermined both educations in this crucial area and financial investment in Polish radiation institutes. Some sociologists have termed this behavior/viewpoint 'radio-phobia phenomena'. Might I be so bold as to recoin it as 'nuclear related paranoia' since it has caused a general breakdown in rational, 'cause and effect analysis' even within respectable scientific circles, including prominent radio biologists, who now accept radiation only as a destructive factor in biological and human life. The most important factor in this campaign will be the promotion and presentation of radiation in simple-understandable terms through the following outlets, (popular articles, TV programs, objective classroom presentation and so on), designed to be easily understandable to society as a whole. In this support is to be found in some governmental and independent organization, which do attempt to show radiation as bio-positive, human friendly and an economically indispensable factor for the future. However our fight with the so-called coal lobby' will continue to be difficult. Help by international organizations such as the I.A.E.A. will not suffice in this battle. In this article the author tries to describe the Polish education system and statistical data showing the present status of radiation science, radiation education and the quantity of students and experts in the field. As a nuclear physicist and specialist in radiation protection, lecturer and an Inspector of Radiation Protection, he

  3. Iodine status in the Nordic countries – past and present

    Directory of Open Access Journals (Sweden)

    Helena Filipsson Nyström

    2016-06-01

    Full Text Available Background: Adequate iodine nutrition is dependent on ground water content, seafood, and, as many countries use iodized cow fodder, dairy products. In most countries, salt fortification programs are needed to assure adequate iodine intake. Objectives: The objectives are threefold: 1 to describe the past and present iodine situation in the Nordic countries, 2 to identify important gaps of knowledge, and 3 to highlight differences among the Nordic countries’ iodine biomonitoring and fortification policies. Design: Historical data are compared with the current situation. The Nordic countries’ strategies to achieve recommended intake and urine iodine levels and their respective success rates are evaluated. Results: In the past, the iodine situation ranged from excellent in Iceland to widespread goiter and cretinism in large areas of Sweden. The situation was less severe in Norway and Finland. According to a 1960 World Health Organization (WHO report, there were then no observations of iodine deficiency in Denmark. In Sweden and Finland, the fortification of table salt was introduced 50–75 years ago, and in Norway and Finland, the fortification of cow fodder starting in the 1950s helped improve the population's iodine status due to the high intake of milk. In Denmark, iodine has been added to household salt and salt in bread for the past 15 years. The Nordic countries differ with regard to regulations and degree of governmental involvement. There are indications that pregnant and lactating women, the two most vulnerable groups, are mildly deficient in iodine in several of the Nordic countries. Conclusion: The Nordic countries employ different strategies to attain adequate iodine nutrition. The situation is not optimal and is in need of re-evaluation. Iodine researchers, Nordic national food administrations, and Nordic governmental institutions would benefit from collaboration to attain a broader approach and guarantee good iodine health for all.

  4. Iodine status in the Nordic countries – past and present

    Science.gov (United States)

    Nyström, Helena Filipsson; Brantsæter, Anne Lise; Erlund, Iris; Gunnarsdottir, Ingibjörg; Hulthén, Lena; Laurberg, Peter; Mattisson, Irene; Rasmussen, Lone Banke; Virtanen, Suvi; Meltzer, Helle Margrete

    2016-01-01

    Background Adequate iodine nutrition is dependent on ground water content, seafood, and, as many countries use iodized cow fodder, dairy products. In most countries, salt fortification programs are needed to assure adequate iodine intake. Objectives The objectives are threefold: 1) to describe the past and present iodine situation in the Nordic countries, 2) to identify important gaps of knowledge, and 3) to highlight differences among the Nordic countries’ iodine biomonitoring and fortification policies. Design Historical data are compared with the current situation. The Nordic countries’ strategies to achieve recommended intake and urine iodine levels and their respective success rates are evaluated. Results In the past, the iodine situation ranged from excellent in Iceland to widespread goiter and cretinism in large areas of Sweden. The situation was less severe in Norway and Finland. According to a 1960 World Health Organization (WHO) report, there were then no observations of iodine deficiency in Denmark. In Sweden and Finland, the fortification of table salt was introduced 50–75 years ago, and in Norway and Finland, the fortification of cow fodder starting in the 1950s helped improve the population's iodine status due to the high intake of milk. In Denmark, iodine has been added to household salt and salt in bread for the past 15 years. The Nordic countries differ with regard to regulations and degree of governmental involvement. There are indications that pregnant and lactating women, the two most vulnerable groups, are mildly deficient in iodine in several of the Nordic countries. Conclusion The Nordic countries employ different strategies to attain adequate iodine nutrition. The situation is not optimal and is in need of re-evaluation. Iodine researchers, Nordic national food administrations, and Nordic governmental institutions would benefit from collaboration to attain a broader approach and guarantee good iodine health for all. PMID:27283870

  5. Iodine status in the Nordic countries - past and present.

    Science.gov (United States)

    Nyström, Helena Filipsson; Brantsæter, Anne Lise; Erlund, Iris; Gunnarsdottir, Ingibjörg; Hulthén, Lena; Laurberg, Peter; Mattisson, Irene; Rasmussen, Lone Banke; Virtanen, Suvi; Meltzer, Helle Margrete

    2016-01-01

    Adequate iodine nutrition is dependent on ground water content, seafood, and, as many countries use iodized cow fodder, dairy products. In most countries, salt fortification programs are needed to assure adequate iodine intake. The objectives are threefold: 1) to describe the past and present iodine situation in the Nordic countries, 2) to identify important gaps of knowledge, and 3) to highlight differences among the Nordic countries' iodine biomonitoring and fortification policies. Historical data are compared with the current situation. The Nordic countries' strategies to achieve recommended intake and urine iodine levels and their respective success rates are evaluated. In the past, the iodine situation ranged from excellent in Iceland to widespread goiter and cretinism in large areas of Sweden. The situation was less severe in Norway and Finland. According to a 1960 World Health Organization (WHO) report, there were then no observations of iodine deficiency in Denmark. In Sweden and Finland, the fortification of table salt was introduced 50-75 years ago, and in Norway and Finland, the fortification of cow fodder starting in the 1950s helped improve the population's iodine status due to the high intake of milk. In Denmark, iodine has been added to household salt and salt in bread for the past 15 years. The Nordic countries differ with regard to regulations and degree of governmental involvement. There are indications that pregnant and lactating women, the two most vulnerable groups, are mildly deficient in iodine in several of the Nordic countries. The Nordic countries employ different strategies to attain adequate iodine nutrition. The situation is not optimal and is in need of re-evaluation. Iodine researchers, Nordic national food administrations, and Nordic governmental institutions would benefit from collaboration to attain a broader approach and guarantee good iodine health for all.

  6. [Umbilical blood-gas status at cesarean section for breech presentation: a comparison with vertex presentation].

    Science.gov (United States)

    Haruta, M; Saeki, N; Naka, Y; Funato, T; Ohtsuki, Y

    1989-10-01

    Umbilical blood-gas status at elective cesarean section with oxygen inhalation for breech presentation (25 cases) was compared with that for vertex presentation (25 cases), so as to confirm the security of full-term breech fetuses delivered by cesarean section under spinal anesthesia. Umbilical arterial oxygen levels were significantly lower in the breech group (Mean PO2:18.9 mmHg; SO2:37.3%; Oxygen content:7.6 ml/dl). The number of hypoxemic fetuses was significantly higher in the breech group (the breech: 7; the vertex; 0). The other umbilical blood-gas values revealed no significant differences between the breech and vertex groups, and were within normal limits in both groups. Oxygen extraction in the breech (Mean: 49.0%) was higher than that in the vertex (32.9%). Therefore decreased umbilical blood flow in the breech was suggested. The incidence of depression at 1 minute after delivery in the breech infants (24%) was significantly higher than that in the vertex infants (0%). It became obvious in the breech that as the interval between the uterine incision and delivery increased, umbilical arterial blood tended to acidosis and the 1 minute Apgar score decreased. Cesarean section for breech presentation requires sufficient and optimal incisions of the abdominal wall and uterus as well as a skillful manual delivery technique, because the fetus or neonate should be protected against asphyxia resulting from umbilical compression and prolonged delivery interval.

  7. Status of the DOE Battery and Electrochemical Technology Program V

    Energy Technology Data Exchange (ETDEWEB)

    Roberts, R.

    1985-06-01

    The program consists of two activities, Technology Base Research (TBR) managed by the Lawrence Berkeley Laboratory (LBL) and Exploratory Technology Development and Testing (EDT) managed by the Sandia National Laboratories (SNL). The status of the Battery Energy Storage Test (BEST) Facility is presented, including the status of the batteries to be tested. ECS program contributions to the advancement of the lead-acid battery and specific examples of technology transfer from this program are given. The advances during the period December 1982 to June 1984 in the characterization and performance of the lead-acid, iron/nickel-oxide, iron/air, aluminum/air, zinc/bromide, zinc/ferricyanide, and sodium/sulfur batteries and in fuel cells for transport are summarized. Novel techniques and the application of established techniques to the study of electrode processes, especially the electrode/electrolyte interface, are described. Research with the potential of leading to improved ceramic electrolytes and positive electrode container and current-collectors for the sodium/sulfur battery is presented. Advances in the electrocatalysis of the oxygen (air) electrode and the relationship of these advances to the iron/air and aluminum/air batteries and to the fuel cell are noted. The quest for new battery couples and battery materials is reviewed. New developments in the modeling of electrochemical cell and electrode performance with the approaches to test these models are reported.

  8. Interactions between science and technology and present-day philosophy

    International Nuclear Information System (INIS)

    1981-01-01

    The authors plead for a revival of the symbiosis between science and technology and philosophy. Their contributions to the assessment of the consequences in science and technology as a task of philosophy as well as to the effects of science and technology on present-day philosophy want to give new impulses to this revival. (DG) [de

  9. Proceeding of the Fifth Scientific Presentation on Nuclear Safety Technology

    International Nuclear Information System (INIS)

    Suhaemi, Tj.; Sudarno; Sunaryo, G. R.; Supriatna, P.; Antariksawan, A. R.; Sumijanto; Febrianto; Histori; Aliq

    2000-01-01

    The proceedings includes the result of research and development activities on nuclear safety technology that have been done by research Center for Nuclear Safety Technology in 2000 and was presented on June 28, 2000. The proceedings is expected to give illustration of the research result on Nuclear Safety Technology

  10. Proceedings of the Fourth Scientific Presentation on Reactor Safety Technology

    International Nuclear Information System (INIS)

    1999-01-01

    The proceedings includes the result of research and development activities on nuclear safety technology that have been done by research Center for Nuclear Safety Technology in 1998/1999 and was presented on May 5, 1999. The proceedings is expected to give illustration of the research result on Nuclear Safety Technology

  11. A review of the present status of food irradiation

    International Nuclear Information System (INIS)

    Beddoes, J.M.

    1982-06-01

    Investigations into the potential of food irradiation as a major food processing technology have been underway for over twenty years. Considerable progress has been made in the areas of its science and technology, its governmental and international regulation, its acceptance by consumers, and its economic impact on the cost of food. The paper reviews some of the major steps taken in food irradiation and predicts that it will become a new world wide application of technology in the 1980's

  12. Present status of research reactor decommissioning programme in Indonesia

    International Nuclear Information System (INIS)

    Suripto, A.; Mulyanto, N.

    2002-01-01

    At present Indonesia has 3 research reactors, namely the 30 MW MTR-type multipurpose reactor at Serpong Site, two TRIGA-type research reactors, the first one being 1 MW located at Bandung Site and the second one a small reactor of 100 kW at Yogyakarta Site. The TRIGA Reactor at the Bandung Site reached its first criticality at 250 kW in 1964, and then was operated at 1000 kW since 1971. In October 2000 the reactor power was successfully upgraded to 2 MW. This reactor has already been operated for 38 years. There is not yet any decision for the decommissioning of this reactor. However it will surely be an object for the near future decommissioning programme and hence anticipation for the above situation becomes necessary. The regulation on decommissioning of research reactor is already issued by the independent regulatory body (BAPETEN) according to which the decommissioning permit has to be applied by the BATAN. For Indonesia, an early decommissioning strategy for research reactor dictates a restricted re-use of the site for other nuclear installation. This is based on high land price, limited availability of radwaste repository site, and other cost analysis. Spent graphite reflector from the Bandung TRIGA reactor is recommended for a direct disposal after conditioning, without any volume reduction treatment. Development of human resources, technological capability as well as information flow from and exchange with advanced countries are important factors for the future development of research reactor decommissioning programme in Indonesia. (author)

  13. Present status of application of AI in nuclear industry

    International Nuclear Information System (INIS)

    Kitamura, Masaharu

    1989-01-01

    Artificial intelligence (AL) techniques have been introduced actively in the nuclear industry in pursuit of increased safety and efficiency. The present report outlines some AI techniques currently used in nuclear facilities. This type of techniques have increasingly been introduced to such areas as design, construction, operation, maintenance, quality control and analysis. Most of them use knowledge engineering techniques including expert systems. Positive efforts at research and application of various more advance AI techniaues have started recently. For application of AI techniques, activities in nuclear power plants can be divided into two groups. One includes 'analytical' activities such as operation, maintenance and analysis, while the other includes 'synthetic' activities such as design, construction and fuel control. The most important AI technology for the analytical activities is diagnosis. Thus the report outlines major processes to which diagnostic techniques are applicable, and knowledge description and inference methods used for diagnosis. For AI techniques for synthetic activities, some problems and possible solutions are addressed. Development efforts in and outside Japan are also outlined. (Nogami, K.)

  14. Present status and future aspects of highly precise radiotherapy

    International Nuclear Information System (INIS)

    Oita, Masataka; Takegawa, Yoshihiro; Maezawa, Hiroshi; Ikushima, Hitoshi; Osaki, Kyosuke; Nishitani, Hiromu

    2006-01-01

    This review describes about therapeutic equipments, irradiation technology, actual practice of highly precise radiotherapy (RT) and its tasks in future. Development of radiation equipments has made the therapy highly precise. At present, there are reportedly 836 linacs and 23 microtrons in Japan (March, 2005), most of which are computerized, new generation equipments. Image-guided RT, CT-linac system, real-time tumor-tracking RT (RTRT), tomotherapy and cyberknife are introduced owing to development of concerned devices and equipments. In addition, there are 7 facilities with proton and/or heavy ion beams. In parallel with the machine development above, irradiation has become to that from 2D to 3D by multi-gate technique with use of multi-leaf collimator and intensity-modulated RT is introduced. RTRT is an example of 4D RT. Practically, stereotactic irradiation (STI) to brain tumor has resulted in 1-year cumulative survival rate of 58% in 16 cases (23 foci, median size 1.2 cm and volume 0.57 ml) with median dose of 21.0 Gy in authors' hospital. STI in the early stage lung cancers is also practically conducted without severe adverse effects. Future tasks involve the further development of irradiation techniques and RT planning, QA/QC system, and raising of experts in related fields, which is a national problem. (T.I.)

  15. Present status of tritium research activities at universities in Japan

    International Nuclear Information System (INIS)

    Kawamura, K.

    1983-01-01

    The behaviours of tritium towards various materials are very similar to those of hydrogen, since tritium is one of the hydrogen isotope. In addition to those properties, tritium shows the radiochemical and radiological reactivities due to an emitted #betta#-ray. The permeability of tritium through various materials is the example of the former. The formation of tritiated methane in tritium stored in stainless steel vessels and the increase of helium content in tritium-bearing metallic materials are the examples of the latter. For these reasons, advanced and somewhat more complicated techniques are required for handling tritium. After the Ministry of Education, Science and Culture (MOE) made an appropriation on Grant-in-Aid for Fusion Research in 1975 year's budget, development of tritium handling technology for fusion reactors have been actively pursued. The specific experiments to be embodied in present research activities are: 1. Measurements of tritium permeation rate through various materials. 2. Fundamental studies on tritium containment materials. 3. Fundamental studies of tritium waste treatment and storage. In this paper, the works achieved under the above research activities are described and some results obtained from experiments are reported. (author)

  16. The status of fast reactor technology development in China

    International Nuclear Information System (INIS)

    Xu Mi

    1998-01-01

    The paper describes recent status and trends on Chinese national economy, electrical power capacity and nuclear power development. The preliminary design of the CEFR has been approved by the State Science and Technology Commission. Now it is in the detail design stage. It is planned that the first pot of concrete will be in April of 1999, in the end of 2000 the reactor building construction will be finished and the first criticality of the reactor will be envisaged in July 2003. The brief of preliminary design, analysis results of some beyond design basic accidents and design basic accidents, CEFR research works, and international cooperation are presented in the paper. (author)

  17. Diamond Detector Technology: Status and Perspectives

    CERN Document Server

    Reichmann, M; Artuso, M; Bachmair, F; Bäni, L; Bartosik, M; Beacham, J; Beck, H; Bellini, V; Belyaev, V; Bentele, B; Berdermann, E; Bergonzo, P; Bes, A; Brom, J-M; Bruzzi, M; Cerv, M; Chiodini, G; Chren, D; Cindro, V; Claus, G; Collot, J; Cumalat, J; Dabrowski, A; D'Alessandro, R; Dauvergne, D; de Boer, W; Dorfer, C; Dünser, M; Eremin, V; Eusebi, R; Forcolin, G; Forneris, J; Frais-Kölbl, H; Gallin-Martel, L; Gallin-Martel, M L; Gan, K K; Gastal, M; Giroletti, C; Goffe, M; Goldstein, J; Golubev, A; Gorišek, A; Grigoriev, E; Grosse-Knetter, J; Grummer, A; Gui, B; Guthoff, M; Haughton, I; Hiti, B; Hits, D; Hoeferkamp, M; Hofmann, T; Hosslet, J; Hostachy, J-Y; Hügging, F; Hutton, C; Jansen, H; Janssen, J; Kagan, H; Kanxheri, K; Kasieczka, G; Kass, R; Kassel, F; Kis, M; Konovalov, V; Kramberger, G; Kuleshov, S; Lacoste, A; Lagomarsino, S; Lo Giudice, A; Lukosi, E; Maazouzi, C; Mandic, I; Mathieu, C; Menichelli, M; Mikuž, M; Morozzi, A; Moss, J; Mountain, R; Murphy, S; Muškinja, M; Oh, A; Oliviero, P; Passeri, D; Pernegger, H; Perrino, R; Picollo, F; Pomorski, M; Potenza, R; Quadt, A; Re, A; Riley, G; Roe, S; Sanz-Becerra, D A; Scaringella, M; Schaefer, D; Schmidt, C J; Schnetzer, S; Sciortino, S; Scorzoni, A; Seidel, S; Servoli, L; Smith, S; Sopko, B; Sopko, V; Spagnolo, S; Spanier, S; Stenson, K; Stone, R; Sutera, C; Tannenwald, B; Taylor, A; Traeger, M; Tromson, D; Trischuk, W; Tuve, C; Uplegger, L; Velthuis, J; Venturi, N; Vittone, E; Wagner, S; Wallny, R; Wang, J C; Weingarten, J; Weiss, C; Wengler, T; Wermes, N; Yamouni, M; Zavrtanik, M

    2018-01-01

    The planned upgrade of the LHC to the High-Luminosity-LHC will push the luminosity limits above the original design values. Since the current detectors will not be able to cope with this environment ATLAS and CMS are doing research to find more radiation tolerant technologies for their innermost tracking layers. Chemical Vapour Deposition (CVD) diamond is an excellent candidate for this purpose. Detectors out of this material are already established in the highest irradiation regimes for the beam condition monitors at LHC. The RD42 collaboration is leading an effort to use CVD diamonds also as sensor material for the future tracking detectors. The signal behaviour of highly irradiated diamonds is presented as well as the recent study of the signal dependence on incident particle flux. There is also a recent development towards 3D detectors and especially 3D detectors with a pixel readout based on diamond sensors.

  18. HTGR technology development: status and direction

    International Nuclear Information System (INIS)

    Kasten, P.R.

    1982-01-01

    During the last two years there has been an extensive and comprehensive effort expended primarily by General Atomic (GA) in generating a revised technology development plan. Oak Ridge National Laboratory (ORNL) has assisted in this effort, primarily through its interactions over the past years in working together with GA in technology development, but also through detailed review of the initial versions of the technology development plan as prepared by GA. The plan covers Fuel Technology, Materials Technology (including metals, graphite, and ceramics), Plant Technology (including methods, safety, structures, systems, heat exchangers, control and electrical, and mechanical), and Component Design Verification and Support areas

  19. Status of Chandigarh variable energy cyclotron and present experimental programmes

    International Nuclear Information System (INIS)

    Govil, I.M.

    2005-01-01

    The paper describes the status report of the Chandigarh variable energy cyclotron and some of the recent modifications which has improved the stability and performance of the machine considerably. The machine is now used for Proton Induced X-Ray Emission (PIXE) for trace element analysis along with nuclear irradiation for material science research and Nuclear Spectroscopy using (p, n γ) reaction. (author)

  20. The Majorana Double Beta Decay Experiment: Present Status

    Energy Technology Data Exchange (ETDEWEB)

    Aguayo, Estanislao; Avignone, Frank T.; Back, Henning O.; Barabash, Alexander S.; Beene, Jim; Bergevin, M.; Bertrand, F.; Boswell, M.; Brudanin, V.; Busch, Matthew; Chan, Yuen-Dat; Christofferson, C. D.; Collar, J. I.; Combs, Dustin C.; Cooper, R. J.; Detwiler, Jason A.; Doe, Peter J.; Efremenko, Yuri; Egorov, Viatcheslav; Ejiri, H.; Elliott, S. R.; Esterline, James H.; Fast, James E.; Fields, N.; Finnerty, P.; Fraenkle, Florian; Gehman, Victor M.; Giovanetti, G. K.; Green, M. P.; Guiseppe, V. E.; Gusey, K.; Hallin, A. L.; Hazama, R.; Henning, Reyco; Hime, Andrew; Hoppe, Eric W.; Horton, Mark; Howard, Stanley; Howe, M. A.; Johnson, R. A.; Keeter, K.; Keller, C.; Kidd, M. F.; Knecht, A.; Kochetov, Oleg; Konovalov, S.; Kouzes, Richard T.; Laferriere, Brian D.; LaRoque, B. H.; Leon, Jonathan D.; Leviner, L.; Loach, J. C.; MacMullin, S.; Marino, Michael G.; Martin, R. D.; Mei, Dong-Ming; Merriman, Jason H.; Miller, M. L.; Mizouni, Leila; Nomachi, Masaharu; Orrell, John L.; Overman, Nicole R.; Phillips II, D. G.; Poon, Alan; Perumpilly, Gopakumar; Prior, Gersende; Radford, D. C.; Rielage, Keith; Robertson, R. G. H.; Ronquest, M. C.; Schubert, Alexis G.; Shima, T.; Shirchenko, M.; Snavely, Kyle J.; Steele, David; Strain, J.; Thomas, K.; Timkin, V.; Tornow, W.; Vanyushin, I.; Varner, R. L.; Vetter, Kai; Vorren, Kris R.; Wilkerson, J. F.; Yakushev, E.; Young, A.; Yu, Chang-Hong; Yumatov, Vladimir; Zhang, C.

    2013-06-01

    The Majorana collaboration is actively pursuing research and development aimed at a tonne-scale 76Ge neutrinoless double-beta decay experiment, an R&D effort that will field approximately 40 kg of germanium detectors with mixed enrichment levels. This article provides a status update on the construction of the Demonstrator

  1. Illiteracy, Sex and Occupational Status in Present-Day China.

    Science.gov (United States)

    Lamontagne, Jacques

    This study determined the magnitude of disparity between men and women in China in relation to illiteracy and occupational status. Region and ethnicity are used as control variables. The data collected are from a 10 percent sampling of the 1982 census; the total sample size includes a population of 100,380,000 nationwide. The census questionnaire…

  2. The High Flux Reactor Petten, present status and prospects

    Energy Technology Data Exchange (ETDEWEB)

    Ahlf, J [Institute for Advanced Materials, Joint Research Centre, Petten (Netherlands)

    1990-05-01

    The High Flux Reactor (HFR) in Petten, The Netherlands, is a light water cooled and moderated multipurpose research reactor of the closed-tank in pool type. It is operated with highly enriched Uranium fuel at a power of 45 MW. The reactor is owned by the European Communities and operated under contract by the Dutch ECN. The HFR programme is funded by The Netherlands and Germany, a smaller share comes from the specific programmes of the Joint Research Centre (JRC) and from third party contract work. Since its first criticality in 1961 the reactor has been continuously upgraded by implementing developments in fuel element technology and increasing the power from 20 MW to the present 45 MV. In 1984 the reactor vessel was replaced by a new one with an improved accessibility for experiments. In the following years also other ageing equipment has been replaced (primary heat exchangers, pool heat exchanger, beryllium reflector elements, nuclear and process instrumentation, uninterruptable power supply). Control room upgrading is under preparation. A new safety analysis is near to completion and will form the basis for a renewed license. The reactor is used for nuclear energy related research (structural materials and fuel irradiations for LWR's, HTR's and FBR's, fusion materials irradiations). The beam tubes are used for nuclear physics as well as solid state and materials sciences. Radioisotope production at large scale, processing of gemstones and silicon with neutrons, neutron radiography and activation analysis are actively pursued. A clinical facility for boron neutron capture therapy is being designed at one of the large cross section beam tubes. It is foreseen to operate the reactor at least for a further decade. The exploitation pattern may undergo some changes depending on the requirements of the supporting countries and the JRC programmes. (author)

  3. The High Flux Reactor Petten, present status and prospects

    International Nuclear Information System (INIS)

    Ahlf, J.

    1990-01-01

    The High Flux Reactor (HFR) in Petten, The Netherlands, is a light water cooled and moderated multipurpose research reactor of the closed-tank in pool type. It is operated with highly enriched Uranium fuel at a power of 45 MW. The reactor is owned by the European Communities and operated under contract by the Dutch ECN. The HFR programme is funded by The Netherlands and Germany, a smaller share comes from the specific programmes of the Joint Research Centre (JRC) and from third party contract work. Since its first criticality in 1961 the reactor has been continuously upgraded by implementing developments in fuel element technology and increasing the power from 20 MW to the present 45 MV. In 1984 the reactor vessel was replaced by a new one with an improved accessibility for experiments. In the following years also other ageing equipment has been replaced (primary heat exchangers, pool heat exchanger, beryllium reflector elements, nuclear and process instrumentation, uninterruptable power supply). Control room upgrading is under preparation. A new safety analysis is near to completion and will form the basis for a renewed license. The reactor is used for nuclear energy related research (structural materials and fuel irradiations for LWR's, HTR's and FBR's, fusion materials irradiations). The beam tubes are used for nuclear physics as well as solid state and materials sciences. Radioisotope production at large scale, processing of gemstones and silicon with neutrons, neutron radiography and activation analysis are actively pursued. A clinical facility for boron neutron capture therapy is being designed at one of the large cross section beam tubes. It is foreseen to operate the reactor at least for a further decade. The exploitation pattern may undergo some changes depending on the requirements of the supporting countries and the JRC programmes. (author)

  4. Buried Waste Integrated Demonstration Technology Preparedness and Status Report Guidance

    International Nuclear Information System (INIS)

    Blacker, P.B.; Bonnenberg, R.W.; Cannon, P.G.; Hyde, R.A.; Watson, L.R.

    1994-04-01

    A Technology Preparedness and Status Report is required for each Technical Task Plan funded by the Buried Waste Integrated Demonstration. This document provides guidance for the preparation of that report. Major sections of the report will include a subset of the need for the technology, objectives of the demonstration, technology description and readiness evaluation, demonstration requirements, and preparedness checklist and action plan

  5. [Assisted reproductive technologies and the embryo status].

    Science.gov (United States)

    Englert, Y

    The status of the human embryo has always be a subject of philosophical and theological thoughts with major social consequences, but, until the 19th century, it has been mainly an abstraction. The arrival of the human embryo in vitro, materialized by Louise Brown's birth in 1978 and above all by the supernumerary embryos produced by the Australian team of Trounson and Wood following the introduction of ovarian stimulation, will turn theoretical thoughts into a reality. Nobody may ignore the hidden intentions behind the debate, as to recognise a status to a few days old embryo will immediately have a major impact on the status of a few weeks old foetus and therefore on the abortion rights. We will see that the embryo status, essentially based as well on a vision on the good and evil as on social order, cannot be based on a scientific analysis of the reproduction process but comes from a society's choice, by essence " arbitrary " and always disputable. This does not preclude the collectivity right and legitimacy to give a precise status and it is remarkable to observe the law is careful not to specify which status to give to the human embryo. It is more thru handling procedures and functioning rules that the law designed the embryo position, neither with a status of a person, nor of a thing. It nevertheless remains true that there is a constant risk that the legislation gives the embryo a status that would call into question it's unique characteristic of early reproductive stage, jeopardizing at once the hard-won reproductive freedom (reproductive choice) as well as freedom of research on embryonic stem cells, one of the most promising field of medical research.

  6. Present status and future prospects of perovskite photovoltaics

    Science.gov (United States)

    Snaith, Henry J.

    2018-05-01

    Solar cells based on metal halide perovskites continue to approach their theoretical performance limits thanks to worldwide research efforts. Mastering the materials properties and addressing stability may allow this technology to bring profound transformations to the electric power generation industry.

  7. SDI past, present and future: A review and status assessment

    CSIR Research Space (South Africa)

    Harvey, F

    2012-05-01

    Full Text Available for public administration and also for other actors, despite industry, technological advances, changing business models, VGI and neogeography activities. Web-based repositories provide geographic information for growing consumer-orientated applications...

  8. Present status of yellow fever: Memorandum from a PAHO Meeting

    OpenAIRE

    1986-01-01

    An international seminar on the treatment and laboratory diagnosis of yellow fever, sponsored by the Pan American Health Organization (PAHO) and held in 1984, differed from previous meetings on yellow fever because of its emphasis on the care and management of patients and because the participants included specialists from several branches of medicine, such as hepatology, haematology, cardiology, infectious diseases, pathology and nephrology. The meeting reviewed the current status of yellow ...

  9. The Majorana Double Beta Decay Experiment:. Present Status

    Science.gov (United States)

    Aguayo, E.; Avignone, F. T.; Back, H. O.; Barabash, A. S.; Beene, J. R.; Bergevin, M.; Bertrand, F. E.; Boswell, M.; Brudanin, V.; Busch, M.; Chan, Y.-D.; Christofferson, C. D.; Collar, J. I.; Combs, D. C.; Cooper, R. J.; Detwiler, J. A.; Doe, P. J.; Efremenko, Yu.; Egorov, V.; Ejiri, H.; Elliott, S. R.; Esterline, J.; Fast, J. E.; Fields, N.; Finnerty, P.; Fraenkle, F. M.; Gehman, V. M.; Giovanetti, G. K.; Green, M. P.; Guiseppe, V. E.; Gusey, K.; Hallin, A. L.; Hazama, R.; Henning, R.; Hime, A.; Hoppe, E. W.; Horton, M.; Howard, S.; Howe, M. A.; Johnson, R. A.; Keeter, K. J.; Keller, C.; Kidd, M. F.; Knecht, A.; Kochetov, O.; Konovalov, S. I.; Kouzes, R. T.; Laferriere, B. D.; Laroque, B. H.; Leon, J.; Leviner, L. E.; Loach, J. C.; Macmullin, S.; Marino, M. G.; Martin, R. D.; Mei, D.-M.; Merriman, J. H.; Miller, M. L.; Mizouni, L.; Nomachi, M.; Orrell, J. L.; Overman, N. R.; Phillips, D. G.; Poon, A. W. P.; Perumpilly, G.; Prior, G.; Radford, D. C.; Rielage, K.; Robertson, R. G. H.; Ronquest, M. C.; Schubert, A. G.; Shima, T.; Shirchenko, M.; Snavely, K. J.; Steele, D.; Strain, J.; Thomas, K.; Timkin, V.; Tornow, W.; Vanyushin, I.; Varner, R. L.; Vetter, K.; Vorren, K.; Wilkerson, J. F.; Yakushev, E.; Young, A. R.; Yu, C.-H.; Yumatov, V. I.; Zhang, C.

    2013-11-01

    The Majorana collaboration is actively pursuing research and development aimed at a tonne-scale 76Ge neutrinoless double-beta decay (0νββ) experiment. The current, primary focus is the construction of the Majorana Demonstrator experiment, an R&D effort that will field approximately 40 kg of germanium detectors with mixed enrichment levels. This article provides a status update on the construction of the Demonstrator.

  10. Present status and prospects of nuclear power development in China

    International Nuclear Information System (INIS)

    Zhao Renkai

    1994-01-01

    The current status and the guiding principles of nuclear power in China are discussed. With the expansion of China's reform and opening to outside world policy, the national economy growth was increased very rapidly. For continuous, stable and fast development of national economy, the safe, clean and economic nuclear energy will play an even more important role. It is envisaged that by 2020 nuclear power will account for about 20%. 1 ref., 4 tabs

  11. Advanced fuel technology and performance: Current status and trends

    International Nuclear Information System (INIS)

    1990-11-01

    During the last years the Nuclear Fuel Cycle and Waste Management Division of the IAEA has been giving great attention to the collection, analysis and exchange of information in the field of reactor fuel technology. Most of these activities are being conducted in the framework of the International Working Group on Water Reactor Fuel Performance and Technology (IWGFPT). The purpose of this Advisory Group Meeting on Advanced Fuel Technology and Performance was to update and to continue the previous work, and to review the experience of advanced fuel technology, its performance with regard to all types of reactors and to outline the future trends on the basis of national experience and discussions during the meeting. As a result of the meeting a Summary Report was prepared which reflected the status of the advanced nuclear fuel technology up to 1990. The 10 papers presented by participants of this meeting are also published here. A separate abstract was prepared for each of these papers. Refs, figs and tabs

  12. Present status of research and development for HTR in China

    Energy Technology Data Exchange (ETDEWEB)

    Dazhong, Wang; Daxin, Zhong; Yuanhul, Xu [Institute of Nuclear Energy Technology, Tsinghua University, Beijing (China)

    1990-07-01

    The HTR R and D Project is being carried out in the relevant institutions in China. Some topics are covered such as, fuel element technology, graphite development, fuel element handling system, helium technology, fuel reprocessing technology as well as HTR design study. Some results of HTR research work are described. In addition, to provide a test facility for investigation of HTR Module reactor safety and process heat application of HTR, a joint project on building a 10 MW test HTR with Siemens-Interatom, KFA Juelich and INET is going on. The conceptual design of 10 MW test HTR has been completed by the joint group. In parallel the application study of HTR Module is being carried out for the oil industry, petrochemical industry as well as power generation. Some preliminary results of the application study, for example, for heavy oil recovery on Shengli oil field and process heat application in Yan shan petroleum company, are described. (author)

  13. Brain Science of Ethics: Present Status and the Future

    Science.gov (United States)

    Aoki, Ryuta; Funane, Tsukasa; Koizumi, Hideaki

    2010-01-01

    Recent advances in technologies for neuroscientific research enable us to investigate the neurobiological substrates of the human ethical sense. This article introduces several findings in "the brain science of ethics" obtained through "brain-observation" and "brain-manipulation" approaches. Studies over the past decade have revealed that several…

  14. Present status of computational tools for maglev development

    Energy Technology Data Exchange (ETDEWEB)

    Wang, Z.; Chen, S.S.; Rote, D.M.

    1991-10-01

    High-speed vehicles that employ magnetic levitation (maglev) have received great attention worldwide as a means of relieving both highway and air-traffic congestion. At this time, Japan and Germany are leading the development of maglev. After fifteen years of inactivity that is attributed to technical policy decisions, the federal government of the United States has reconsidered the possibility of using maglev in the United States. The National Maglev Initiative (NMI) was established in May 1990 to assess the potential of maglev in the United States. One of the tasks of the NMI, which is also the objective of this report, is to determine the status of existing computer software that can be applied to maglev-related problems. The computational problems involved in maglev assessment, research, and development can be classified into two categories: electromagnetic and mechanical. Because most maglev problems are complicated and difficult to solve analytically, proper numerical methods are needed to find solutions. To determine the status of maglev-related software, developers and users of computer codes were surveyed. The results of the survey are described in this report. 25 refs.

  15. Water treatment for fossil fuel power generation - technology status report

    International Nuclear Information System (INIS)

    2006-01-01

    This technology status report focuses on the use of water treatment technology in fossil fuel power plants. The use of polymeric ion exchange resins for deionization of water, the currently preferred use of ion exchange for economically treating water containing low dissolved salts, the use of low pressure high-flux membranes, membrane microfiltration, and reverse osmosis are discussed. Details are given of the benefits of the technologies, water use at power plants, the current status of water treatment technologies, and the potential for future developments, along with power plant market trends and potentials, worldwide developments, and UK capabilities in water treatment plant design and manufacturing

  16. Status of reprocessing technology in the HTGR fuel cycle

    International Nuclear Information System (INIS)

    Kaiser, G.; Merz, E.; Zimmer, E.

    1977-01-01

    For more than ten years extensive R and D work has been carried out in the Federal Republic of Germany in order to develop the technology necessary for closing the fuel cycle of high-temperature gas-cooled reactors. The efforts are concentrated primarily on fuel elements having either highly enriched 235 U or recycled 233 U as the fissile and thorium as the fertile material embedded in a graphite matrix. They include the development of processes and equipment for reprocessing and remote preparation of coated microspheres from the recovered uranium. The paper reviews the issues and problems associated with the requirements to deal with high burn-up fuel from HTGR's of different design and composition. It is anticipated that a grind-burn-leach head-end treatment and a modified THOREX-type chemical processing are the optimum choice for the flowsheet. An overview of the present status achieved in construction of a small reprocessing facility, called JUPITER, is presented. It includes a discussion of problems which have already been solved and which have still to be solved like the treatment of feed/breed particle systems and for minimizing environmental impacts envisaged with a HTGR fuel cycle technology. Also discussed is the present status of remote fuel kernel fabrication and coating technology. Additional activities include the design of a mock-up prototype burning head-end facility, called VENUS, with a throughput equivalent to about 6000 MW installed electrical power, as well as a preliminary study for the utilisation of the Karlsruhe LWR prototype reprocessing plant (WAK) to handle HTGR fuel after remodelling of the installations. The paper concludes with an outlook of projects for the future

  17. Technologies in deep and ultra-deep well drilling: Present status, challenges and future trend in the 13th Five-Year Plan period (2016–2020

    Directory of Open Access Journals (Sweden)

    Haige Wang

    2017-09-01

    Full Text Available During the 12th Five-Year Plan period (2011–2015, CNPC independently developed a series of new drilling equipment, tools and chemical materials for deep and ultra-deep wells, including six packages of key drilling equipment: rigs for wells up to 8000 m deep, quadruple-joint-stand rigs, automatic pipe handling devices for rigs for wells being 5000/7000 m deep, managed pressure drilling systems & equipment, gas/fuel alternative combustion engine units, and air/gas/underbalanced drilling systems; seven sets of key drilling tools: automatic vertical well drilling tools, downhole turbine tools, high-performance PDC bits, hybrid bits, bit jet pulsation devices, no-drilling-surprise monitoring system, & casing running devices for top drive; and five kinds of drilling fluids and cementing slurries: high temperature and high density water-based drilling fluids, oil-based drilling fluids, high temperature and large temperature difference cementing slurry, and ductile cement slurry system. These new development technologies have played an important role in supporting China's oil and gas exploration and development business. During the following 13th Five-Year Plan period (2016–2020, there are still many challenges to the drilling of deep and ultra-deep wells, such as high temperatures, high pressures, narrow pressure window, wellbore integrity and so on, as well as the enormous pressure on cost reduction and efficiency improvement. Therefore, the future development trend will be focused on the development of efficient and mobile rigs, high-performance drill bits and auxiliary tools, techniques for wellbore integrity and downhole broadband telemetry, etc. In conclusion, this study will help improve the ability and level of drilling ultra-deep wells and provide support for oil and gas exploration and development services in China. Keywords: Deep well, Ultra-deep well, Drilling techniques, Progress, Challenge, Strategy, CNPC

  18. The Asia Pacific LNG trade: Status and technology development

    International Nuclear Information System (INIS)

    Hovdestad, W.R.

    1995-01-01

    The Asia Pacific Region is experiencing a period of sustained economic expansion. Economic growth has led to an increasing demand for energy that has spurred a rapid expansion of baseload liquefied natural gas (LNG) facilities in this region. This is illustrated by the fact that seven of the ten baseload facilities in existence provide LNG for markets in the Asia Pacific region. With the three exceptions having been initially commissioned in 1972 and earlier, it is fair to observed that most advances in LNG technology have been developed and applied for this market. The paper presents the current status and identified future trends for the Asia Pacific LNG trade. Technology development in terms of application to onstream production, processing and transportation facilities, including LNG tankers, is presented. The potential of future advances to applied technology and operational practices to improve the cost-effectiveness of new and existing facilities is discussed. Current design data and methods as actually used are examined in terms of identifying where fundamental research and basic physical data are insufficient for optimization purposes. These findings are then summarized and presented in terms of the likely evolution of future and existing LNG projects in the Asia Pacific region

  19. Present status of an integrated software system for HASP (Human Acts Simulation Program)

    International Nuclear Information System (INIS)

    Otani, Takayuki; Ebihara, Ken-ichi; Kambayashi, Shaw; Kume, Etsuo; Higuchi, Kenji; Fujii, Minoru; Akimoto, Masayuki

    1994-01-01

    In Human Acts Simulation Program (HASP), human acts to be realized by a human-shaped intelligent robot in a nuclear power plant are simulated by computers. The major purpose of HASP is to develop basic and underlying design technologies for intelligent and automatic power plant. The objectives of this paper is to show the present status of the HASP, with particular emphasis on activities targetted at the integration of developed subsystems to simulate the important capabilities of the intelligent robot such as planning, robot dynamics, and so on. (author)

  20. Proceedings of the Third Scientific Presentation on Reactor Safety Technology

    International Nuclear Information System (INIS)

    1998-01-01

    These proceedings contains the results of research and development on reactor safety technology which carried out by Reactor Safety Technology Centre, National Atomic Energy Agency, Serpong, Indonesia during 1997/1998 fiscal year. The presentation was held on 13-14 May 1998 at Serpong,Indonesia

  1. Proceeding of the Eighth Scientific Presentation on Nuclear Safety Technology

    International Nuclear Information System (INIS)

    Geni Rina Sunaryo; Sony Tjahjani, D.T.; Anhar Riza Antariksawan; Sudarno; Djoko Hari Nugroho; Roziq Himawan; Ari Satmoko; Histori; Sumijanto

    2003-02-01

    The Proceeding of Scientific Meeting and Presentation is routine activity that held in National Nuclear Energy Agency (BATAN) by Centre for Development of Nuclear Safety Technology for monitoring the research activity which was achieved in BATAN. The aims of the proceeding to able to information and reference for nuclear safety technology. There are 30 papers which separated index. (PPIN)

  2. Present status of decommissioning materials reuse research at JAERI

    International Nuclear Information System (INIS)

    Fujiki, Kazuo; Nakamura, Hisashi; Kanazawa, Katsuo

    1991-01-01

    Rational treatment and disposal of a large volume of the dismantling wastes resulting from the reactor dismantling are the key to success to carry out the decommissioning smoothly. From this viewpoint, the Japan Atomic Energy Research Institute (JAERI) has been conducting development of the recycling technology for metal waste and a investigation study on the rational recycling system for the dismantling wastes recycling. With respect to the development of the recycling technology, melting tests using non-contaminated metals have been conducted and the basic characteristics of experimental facility and material balances understood. In the investigation study on the rational recycling system, review and discussion were made on the amount of waste arising from decommissioning a nuclear power plant, a scenario of recycling the wastes, and the necessary processing facilities. (author)

  3. Present status of metrology of electro-optical surveillance systems

    Science.gov (United States)

    Chrzanowski, K.

    2017-10-01

    There has been a significant progress in equipment for testing electro-optical surveillance systems over the last decade. Modern test systems are increasingly computerized, employ advanced image processing and offer software support in measurement process. However, one great challenge, in form of relative low accuracy, still remains not solved. It is quite common that different test stations, when testing the same device, produce different results. It can even happen that two testing teams, while working on the same test station, with the same tested device, produce different results. Rapid growth of electro-optical technology, poor standardization, limited metrology infrastructure, subjective nature of some measurements, fundamental limitations from laws of physics, tendering rules and advances in artificial intelligence are major factors responsible for such situation. Regardless, next decade should bring significant improvements, since improvement in measurement accuracy is needed to sustain fast growth of electro-optical surveillance technology.

  4. China's nuclear power policy and the present development status

    International Nuclear Information System (INIS)

    Dingfan, L.

    1998-01-01

    Experience acquired in China 's nuclear power development has proven that it is very important to strengthen exchange in nuclear science and technology, and further to share and to introduce techniques, funds, management experience and experts from abroad. China will continue to keep and to extend international cooperation in the nuclear field on basis of equality and mutual benefit to make a great contribution to the world's peace and economic prosperity. (N.C.)

  5. The present status and the prospect of China research reactors

    International Nuclear Information System (INIS)

    Yongmao, Z.; Yizheng, C.

    1990-01-01

    A total of 100 reactor operation years' experience of research reactors has now been obtained in China. The type and principal parameters of China research reactors and their operating status are briefly introduced in this paper. Chinese research reactors have been playing an important role in nuclear power and nuclear weapon development, industrial and agricultural production, medicine, basic and applied science research and environmental protection, etc. The utilization scale, benefits and achievements will be given. There is a good safety record in the operation of these reactors. A general safety review is discussed. The important incidents and accidents happening during a hundred reactor operating years are described and analyzed. China has the capability of developing any type of research reactor. The prospective projects are briefly introduced

  6. Gasification - Status and Technology; Foergasning - Status och teknik

    Energy Technology Data Exchange (ETDEWEB)

    Held, Joergen

    2011-07-15

    In this report gasification and gas cleaning techniques for biomass are treated. The main reason for gasifying biomass is to refine the fuel to make it suitable for efficient CHP production, as vehicle fuel or in industrial processes. The focus is on production of synthesis gas that can be used for production of vehicle fuel and for CHP production. Depending on application different types of gasifiers, gasification techniques and process parameters are of interest. Two gasification techniques have been identified as suitable for syngas generation, mainly due to the fact that they allow the production of a nitrogen free gas out of the gasifier; Indirect atmospheric gasification and Pressurized oxygen blown gasification For CHP production there are no restrictions on the gas composition in terms of nitrogen and here air-blown gasification is of interest as well. The main challenge when it comes to gas cleaning is related to sulphur and tars. There are different concepts and alternatives to handle sulphur and tars. Some of them is based on conventional techniques with well-proven components that are commercially available while others more advantageous solutions, still need further development. The report deals to a minor extent with the conversion of syngas to synthetic fuels. The ongoing research and development of gasification techniques is extensive, both on national and international level. Although many process concepts and components have been demonstrated, there is still no full-scale plant for the production of synthetic fuels based on biomass. Factors affecting the choice of technology are plant size, operating conditions, the possibility for process integration, access to feedstock, market aspects, incentives and economic instruments et cetera. Increased competition for biofuels will inevitably lead to higher raw material costs. This in turn means that the fuel chains with high efficiency, such as biomethane through gasification and methanation, are favored

  7. The Eurodif program. Present status of the project

    International Nuclear Information System (INIS)

    Besse, G.

    1975-01-01

    The reasons which led Eurodif to decide for the gaseous diffusion process and the benefits which such process offers for the present time are presented. The realization of the Eurodif project (description of the plant, time schedule of the realization, electric power supply, production time-schedule) is discussed. The Eurodif marketing policy, present and future, is reported [fr

  8. Status of technology for nuclear waste management

    International Nuclear Information System (INIS)

    Lieberman, J.A.

    1984-01-01

    In the area of low- and intermediate-level radioactive wastes the successful development and application of specific management technologies have been demonstrated over the years. The major area in which technology remains to be effectively implemented is in the management of high-level wastes from the nuclear fuel cycle. Research and development specifically directed at the management of high-level radioactive wastes in the USA and other countries is briefly reviewed in the article introduced

  9. Status and promise of fuel cell technology

    Energy Technology Data Exchange (ETDEWEB)

    Williams, M.C. [National Energy Technology Lab., Pittsburgh, PA (United States). Dept. of Energy

    2001-09-01

    The niche or early entry market penetration by ONSI and its phosphoric acid fuel cell technology has proven that fuel cells are reliable and suitable for premium power and other opportunity fuel niche market applications. Now, new fuel cell technologies - solid oxide fuel cells, molten carbonate fuel cells, and polymer electrolyte fuel cells - are being developed for near-term distributed generation shortly after 2003. Some of the evolving fuel cell systems are incorporating gas turbines in hybrid configurations. The combination of the gas turbine with the fuel cell promises to lower system costs and increase efficiency to enhance market penetration. Market estimates indicate that significant early entry markets exist to sustain the initially high cost of some distributed generation technologies. However, distributed generation technologies must have low introductory first cost, low installation cost, and high system reliability to be viable options in competitive commercial and industrial markets. In the long-term, solid state fuel cell technology with stack costs under $100/kilowatt (kW) promises deeper and wider market penetration in a range of applications including a residential, auxillary power, and the mature distributed generation markets. The solid state energy conversion alliance (SECA) with its vision for fuel cells in 2010 was recently formed to commercialize solid state fuel cells and realize the full potential of the fuel cell technology. Ultimately, the SECA concept could lead to megawatt-size fuel-cell systems for commercial and industrial applications and Vision 21 fuel cell turbine hybrid energy plants in 2015. (orig.)

  10. Present status of high temperature engineering test and research, 1994

    International Nuclear Information System (INIS)

    1994-10-01

    High temperature gas-cooled reactors have excellent features such as the generation of high temperature close to 1000degC, very high inherent safety and high fuel burnup. By the advanced basic research under high temperature irradiation condition, the creation of various new technologies which become the momentum of future technical innovation can be expected. The construction of the high temperature engineering test reactor (HTTR) was decided in 1987, which aims at the thermal output of 30 MW and the coolant temperature at reactor exit of 950degC. The initial criticality is scheduled in 1998. Japan Atomic Energy Research Institute has advanced the high temperature engineering test and research, and plans the safety verifying test of the HTTR, the test of connecting heat utilization plants and so on. In this report, mainly the results obtained for one year from May, 1993 are summarized. The outline of the high temperature engineering test and development of the HTTR technologies are reported. (K.I.)

  11. Stagnating liquid biofuel developments in Russia: Present status andfuture perspectives

    International Nuclear Information System (INIS)

    Pristupa, Alexey O.; Mol, Arthur P.J.; Oosterveer, Peter

    2010-01-01

    It is widely acknowledged that Russia possesses enormous biomass resources (). Its vast areas devoted to agricultural production and plentiful timber resources suggest good prospects for the development of liquid biofuel production. However, no significant advances in this direction have been reported till now. None of the numerous investment projects announced at the heydays of biofuel excitement in Russia (2006-2008) are at the moment commercially operating. There are no specialised plants for the production of bioethanol and biodiesel in Russia. Little is known of the reasons for this discrepancy between biofuel potential and actual development. In investigating this discrepancy, this article analyses national developments and investigates local dynamics through a case-study in the Omsk region. It is found that the reasons for this discrepancy are not related to technological incapabilities, but are to be found in the low policy and institutional priority given to non-fossil fuel exploitation and lack of market opportunities. Sprouts of second generation liquid biofuel technologies can be identified within the state system, but it remains to be seen how strong and how long these will be supported by the Russian state.

  12. Present status on world alternative energy developments to oil

    International Nuclear Information System (INIS)

    Reddington, J.

    1980-01-01

    The IEA was established about five years ago in the OECD immediately after the oil crisis, and 20 countries have participated in it. Progress was observed in the control of the expansion of energy demand. The energy utilization in IEA member countries became efficient due to the contribution of new technologies, and owing to the improvement of productivity, the growth of energy consumption was less than 1% despite the GDP grew at the yearly rate of 2.5%. The expansion of the utilization of natural gas and coal is promising, but the projects of nuclear power generation are behind schedule. The short term prospect in petroleum market is discussed, and the price of crude oil tends to be stabilized. ''The prospect of energy in the world by 2000'' will be published by the IEA in the latter half of 1980. The scale of the development of nuclear power generation was reduced because the prediction of the rate of power generation growth was changed from 5.2% to 3.1%. The effect of new energy technologies on future energy market has been studied by the support of 15 countries, and it was recommended to give financial aid to heat pumps, coal liquefaction and the efficient recovery of oil and natural gas. Also the techniques for operating existing facilities under strict environment and safety regulations have been studied. (Kako, I.)

  13. Beta-ureidopropionase deficiency presenting with febrile status epilepticus

    NARCIS (Netherlands)

    Assmann, Birgit E.; van Kuilenburg, Andre B. P.; Distelmaier, Felix; Abeling, Nico G. G. M.; Rosenbaum, Thorsten; Schaper, Jörg; Duran, Marinus; Mayatepek, Ertan

    2006-01-01

    Beta-ureidopropionase is the third enzyme in the catabolic pathway of uracil and thymine. To date, only three other patients are reported with this inborn error of metabolism. We report the clinical presentation of a male patient who presented at the age of 4 months after an ALTE-like event (ALTE =

  14. Nanofluid Technology: Current Status and Future Research

    Energy Technology Data Exchange (ETDEWEB)

    Choi, Stephen U.-S. [Argonne National Lab. (ANL), Argonne, IL (United States). Energy Technology Division

    1998-10-20

    Downscaling or miniaturization has been a recent major trend in modern science and technology. Engineers now fabricate microscale devices such as microchannel heat exchangers, and micropumps that are the size of dust specks. Further major advances would be obtained if the coolant flowing in the microchannels were to contain nanoscale particles to enhance heat transfer. Nanofluid technology will thus be an emerging and exciting technology of the 21st century. This paper gives a brief history of the Advanced Fluids Program at Argonne National Laboratory (ANL), discusses the concept of nanofluids, and provides an overview of the R&D program at ANL on the production, property characterization, and performance of nanofluids. It also describes examples of potential applications and benefits of nanofluids. Finally, future research on the fundamentals and applications of nanofluids is addressed.

  15. The status of basic technology in Cross River State Junior ...

    African Journals Online (AJOL)

    The purpose of the study was to ascertain the status of basic technology in Cross River State junior secondary schools. Descriptive survey design was adopted for the study. The study was guided by three (3) research questions. The population for the study comprised of one hundred and twelve (112) basic technology ...

  16. Present status of application of radiation and radioisotopes in Bangladesh

    International Nuclear Information System (INIS)

    Hossain, Anwar

    1984-01-01

    Bangladesh has proceeded with the atomic energy programme in three phases: (1) research and development using radiation and radioisotopes and application of the results, (2) building the infrastructure in nuclear technology and (3) production of electricity from nuclear sources and development of associated facilities. It has entered the second phase of the programme. The following main areas of research and application were referred to: agriculture, food preservation, medical sterilization and radiation biology, medicine, non-destructive testing, isotope hydrology, elemental analysis, particle-induced x-ray emission (PIXE) methods, radioisotope-induced x-ray fluorescence (RIXFA) methods, flame atomic absorption spectrophotometric (AAS) methods, molecular absorption and fluorescence spectroscopy, health physics, and future programme with research reactor. (Namekawa, K.)

  17. Present status of fuel reprocessing plant in PNC

    International Nuclear Information System (INIS)

    Koyama, Kenji

    1981-01-01

    In the fuel reprocessing plant of the Power Reactor and Nuclear Fuel Development Corporation, its hot test has now been completed. For starting its full-scale operation duly, the data are being collected on the operation performance and safety. The construction was started in June, 1971, and completed in October, 1974. In July, 1977, spent fuel was accepted in the plant, and the hot test was started. In September, the same year, the first fuel shearing was made. So far, a total of about 31 t U from both BWR and PWR plants has been processed, thus the hot test was entirely completed. The following matters are described: hot test and its results, research on Pu and U mixed extraction, utilization of product plutonium, development of safeguard technology, and repair work on the acid recovery evaporation tank. (J.P.N.)

  18. Present status and forecast of T ampersand D facilities

    International Nuclear Information System (INIS)

    Ko, In-Suk.

    1994-01-01

    Before the end of the 1970s, because of our marvelous economic growth and industrial development we had made our best efforts to develop more power sources. But from the 1980s, KEPCO has invested for T ampersand D facility of high quality and improved system reliability. The main considerations for T ampersand D expansion are positive investment to improve facilities of the electric company, improvement of the quality of electrical equipment during manufacturing, and bettering the field construction of power facilities. In order to achieve the ultimate goal of supplying high quality electricity, we will try to improve cooperation between our domestic industries, and research institutes, and increase the exchange of international technology

  19. Present status of chemical research progress on ceramics, 1

    International Nuclear Information System (INIS)

    Hirooka, Yoshihiko; Imai, Hisashi

    1982-07-01

    Among silicon-based ceramics, silicon nitride and silicon carbide have generated considerable interest in recent years as potential materials for many high temperature engineering applications. Particularly in their dense high-strength forms, these materials are being proposed for use as structural materials, for instance, in HTGRs and in CTRs. Their potential usefulness and the maximum use temperature absolutely depend upon their chemical characteristics such as thermal stability and chemical reactivity against high temperature environment. There still remains, however, much room to investigate in chemistry of ceramics both in technological and academic aspects. From this point of view some chemical works mainly on silicon nitride, silicon carbide and supplementarily on their common oxide, silicon dioxide, are systematically reviewed and a prospect of the direction to which future research on these ceramics shall proceed is implied in this document. (author)

  20. Present status and prospects of nuclear power programme in Korea

    International Nuclear Information System (INIS)

    Wan-yong Chon; Byong-whi Lee; Chang-kun Lee

    1987-01-01

    The republic of Korea has made dramatic progress in her economic growth in the last twenty-five years, which had to be supported by annual power increase of typically fifteen (15) percent. The limited domestic energy resources available and also the bitter experience of two oil crises made it necessary that the nation pursue its national nuclear power projects vigourously. Throughout the project execution, however, problems related to nuclear safety have been given the top priority. In the forthcoming KNU Nos. 11 and 12 projects, steadily growing domestic nuclear industries will play major roles in plant design, construction, standardization, and technological self-independence. By the year 2001, the total number of nuclear power plants may reach fourteen, while construction of additional small nuclear power plants for combined cycle district heating may become a reality. Preparation for full-fledged fuel cycle is also underway and necessary amendment to the existing Atomic Energy Act has been enacted. (author)

  1. Availability of enriched stable isotopes: present status and future prospects

    International Nuclear Information System (INIS)

    Hoff, R.W.

    1986-01-01

    The Electromagnetic Isotope Enrichment Facility (EMIEF) is currently used to produce 225 enriched stable isotopes of 50 elements. Among these are included most of the known elements with stable isotopes except for the noble gases, certain light elements, monisotopic elements, etc. The EMIEF can also be used to produce enriched samples of radioactive species, most notably the isotopes of uranium and plutonium. These enriched materials are placed in either the Sales Inventory of in the Research Materials Collection (RMC). The materials in the Sales Inventory are for sale to anyone on a first come, first served basis. Prices in the most recent catalog range from $0.05/mg for 99.8% 140 Ce to $1,267/mg for 98.5% 176 Lu. The materials in the RMC are made available to US researchers (or groups that include a US investigator) on a loan basis for use in non-destructive experiments and applications. In addition, certain samples have been provided to European investigators for cross-section studies through the auspices of EURATOM and the European-American Nuclear Data Committee. The status of the enriched isotopes included in the Sales Inventory is tabulated where isotopes are listed that are either not available or are in insufficient quantity or quality to meet current requests, as of 6/30/86. These can be summarized in the following subcategories: isotopes with zero inventory (22), Isotopes of insufficient quantity (17), and isotopes with insufficient enrichment quality (10). Of these 49 species, the supplies of 10 will be replenished by the scheduled FY86 enrichments in process (isotopes of bromine, calcium, nickel, potassium, rubidium, and strontium). In Table 3 are listed isotopes where the current inventory is less than the average annual sales level for the past five years. There are 47 isotopes listed, representing 25 different elements. Thus, there exists considerable potential for a substantial increase in the number of isotopes with zero inventory

  2. Present status and future plans at the Bonn synchrotron

    International Nuclear Information System (INIS)

    Mecking, B.A.

    1984-01-01

    The electron stretcher ring ELSA presently under construction in Bonn and the associated experimental equipment are described. The ring will deliver electron and photon beams with close to 100% duty cycle for experiments in elementary particle and photonuclear physics. (author)

  3. Quasi-optical gyrotron: present status and future prospect

    International Nuclear Information System (INIS)

    Tran, M.Q.

    1989-01-01

    A review of the main experiments on quasi-optical gyrotron is presented. Methods to improve the efficiency (pencil beam electron gun and depressed collector) will be discussed. (author) 5 figs., 1 tab., 10 refs

  4. Fiber Optic Communications Technology. A Status Report.

    Science.gov (United States)

    Hull, Joseph A.

    Fiber optic communications (communications over very pure glass transmission channels of diameter comparable to a human hair) is an emerging technology which promises most improvements in communications capacity at reasonable cost. The fiber transmission system offers many desirable characteristics representing improvements over conventional…

  5. Technology - a review of current status

    International Nuclear Information System (INIS)

    Wolf, R.

    1986-01-01

    The book reviews the history of the efforts taken by the political and administrative authorities to acquire the technical knowledge required to fulfill their functions as competent authorities to evaluate and decide on technical feasibility and economic justification of complex technical processes, a task which constantly puts strain on the authorities, who have to keep up with the technological know-how of the industrial and technological establishments who, as it where, stand opposite to the authorities in the process of legal regulation of technological risks. The author explains the problems involved in the attempt to use existing, or establish adequate new, legal provisions to reconcile the interests of the law with those of the economy. The leading example for this purpose is the air pollution control laws. Further aspects discussed are steps taken from a technicalization of the law towards a proceduralization, and attempts towards a control of technology in a democratic constitutional state. The chapter on the 'risk to be tolerated' in the law on licensing of nuclear installations has been separately analysed and abstracted for the database. (HSCH) [de

  6. Extravehicular Activity Technology Development Status and Forecast

    Science.gov (United States)

    Chullen, Cinda; Westheimer, David T.

    2011-01-01

    The goal of NASA s current EVA technology effort is to further develop technologies that will be used to demonstrate a robust EVA system that has application for a variety of future missions including microgravity and surface EVA. Overall the objectives will be to reduce system mass, reduce consumables and maintenance, increase EVA hardware robustness and life, increase crew member efficiency and autonomy, and enable rapid vehicle egress and ingress. Over the past several years, NASA realized a tremendous increase in EVA system development as part of the Exploration Technology Development Program and the Constellation Program. The evident demand for efficient and reliable EVA technologies, particularly regenerable technologies was apparent under these former programs and will continue to be needed as future mission opportunities arise. The technological need for EVA in space has been realized over the last several decades by the Gemini, Apollo, Skylab, Space Shuttle, and the International Space Station (ISS) programs. EVAs were critical to the success of these programs. Now with the ISS extension to 2028 in conjunction with a current forecasted need of at least eight EVAs per year, the EVA hardware life and limited availability of the Extravehicular Mobility Units (EMUs) will eventually become a critical issue. The current EMU has successfully served EVA demands by performing critical operations to assemble the ISS and provide repairs of satellites such as the Hubble Space Telescope. However, as the life of ISS and the vision for future mission opportunities are realized, a new EVA systems capability will be needed and the current architectures and technologies under development offer significant improvements over the current flight systems. In addition to ISS, potential mission applications include EVAs for missions to Near Earth Objects (NEO), Phobos, or future surface missions. Surface missions could include either exploration of the Moon or Mars. Providing an

  7. Current Status on Biochip and Detection Technology

    International Nuclear Information System (INIS)

    Park, Sang Hyun; Gwon, Hui Jeong

    2007-06-01

    The recent biotechnology technique has been miniaturized and it features a fusion of electricity, electronics and mechanics in the existing biology. As an example, biochip is a collection of miniaturized test sites (microarrays) arranged on a solid substrate that permits many tests to be performed at the same time in order to achieve higher throughput and speed. Like a computer chip that can perform millions of mathematical operations in a second, the biochip can perform thousands of biological reactions, such as decoding genes, in a few seconds. The biochip is being used in toxicological, protein, and biochemical research and it can also be used to rapidly detect chemical agents used in biological warfare so that defensive measures can be taken. These biochip technologies incorporate elements of microfluidics, micromachining, synthetic chemistry, separation technologies, and detection technologies of biological molecules. Basically, biochips can be divided into two types: microarray and lab-on-a-chip system. Microarrays use planted probes to catch and identify target biological molecules while lab-on-a-chips actively process loaded samples. The biochips are becoming more diverse and customers are appearing all over the world. The products from the biochip market are being used to help accelerating the research processes and capabilities of bio-pharmaceutical drug discovery and basic academic bioresearch. To fully take advantages of the attributes of biochip technologies such as miniaturization, parallelism, automation and integration, there are some problems to overcome. The major problem is to reduce the cost. Currently the prices of biochip products are too expensive to replace traditional products and processes. As a method to solve the problem, a radioisotope can be used as a detecting sensor by appling on the biochip, as it were, radio-biochip that will further bring the cost down. The originality using the radioisotope on the biochip technology will be able

  8. Current Status on Biochip and Detection Technology

    Energy Technology Data Exchange (ETDEWEB)

    Park, Sang Hyun; Gwon, Hui Jeong

    2007-06-15

    The recent biotechnology technique has been miniaturized and it features a fusion of electricity, electronics and mechanics in the existing biology. As an example, biochip is a collection of miniaturized test sites (microarrays) arranged on a solid substrate that permits many tests to be performed at the same time in order to achieve higher throughput and speed. Like a computer chip that can perform millions of mathematical operations in a second, the biochip can perform thousands of biological reactions, such as decoding genes, in a few seconds. The biochip is being used in toxicological, protein, and biochemical research and it can also be used to rapidly detect chemical agents used in biological warfare so that defensive measures can be taken. These biochip technologies incorporate elements of microfluidics, micromachining, synthetic chemistry, separation technologies, and detection technologies of biological molecules. Basically, biochips can be divided into two types: microarray and lab-on-a-chip system. Microarrays use planted probes to catch and identify target biological molecules while lab-on-a-chips actively process loaded samples. The biochips are becoming more diverse and customers are appearing all over the world. The products from the biochip market are being used to help accelerating the research processes and capabilities of bio-pharmaceutical drug discovery and basic academic bioresearch. To fully take advantages of the attributes of biochip technologies such as miniaturization, parallelism, automation and integration, there are some problems to overcome. The major problem is to reduce the cost. Currently the prices of biochip products are too expensive to replace traditional products and processes. As a method to solve the problem, a radioisotope can be used as a detecting sensor by appling on the biochip, as it were, radio-biochip that will further bring the cost down. The originality using the radioisotope on the biochip technology will be able

  9. Division of Agro technology and Biosciences: Past, Present and Future

    International Nuclear Information System (INIS)

    Khairuddin Abdul Rahim

    2012-01-01

    In presenter speech, he outlined several topics regarding development of Agro technology and Biosciences Division from 31 years ago. This division started with Unit Sains Hidupan Liar under PUSPATI in 1981 and change their names to Program Isotop dan Sinaran dalam Biologi dan Pertanian under Nuclear Technology Unit (UTN) (1983). In 1990 their premise change to MINT-Tech Park. This program responsible for conducting research in agro technology using nuclear technology. Several achievements achieved by this division since established. They also succeed in mutating banana namely Novaria banana (1994), Tongkat Ali rice (1990), ground nut (2003), orchids, organic fertilizer and foliage in 2000. The vision of this division are to promote and enhance innovation and applications in nuclear technology to achieve security in food productivity, safety and quality and ecological awareness for economics competitiveness and vibrancy in agrobioindustry and community development. (author)

  10. The present status of research at the Magnetic Observatory

    International Nuclear Information System (INIS)

    Sutcliffe, P.R.

    1982-01-01

    The purpose of this presentation is to outline research presently being pursued at the Magnetic Obsservatory. In order to appreciate this research, it is necessary that we first briefly examine the laboratory in which it is carried out, namely, the earth's magnetic environment. We then review each of the research fields in turn. The first two with which we deal are magnetospheric substorms and geomagnetic pulsations, which have their origins far above the earth's surface in the region known as the magnetosphere. Then coming closer to earth we consider solar quiet time (Sq) variations which originate mainly in the ionosphere. Next, down on earth, we look at a recently commenced project to model the surface geomagnetic field. Finally, going below ground level, we consider magneto-telluric studies. For each of these research projects, we present a general background description, describe some specific research results obtained by Magnetic Observatory staff over the past few years, and point out projects planned for the future

  11. Reactor prospects and present status of field-reversed configurations

    International Nuclear Information System (INIS)

    Hoffman, A.L.

    1995-01-01

    Field-Reversed Configurations (FRC) have an ideal geometry for a reactor, combining high beta toroidal confinement, with a linear external geometry. Present small diameter FRCs are thought to be stabilized by kinetic effects, but recent experiments in the Large s Experiment (LSX) have demonstrated stability as well into the MHD regime. Present empirical transport coefficients are already sufficient for a small pulsed reactor, but small steady state reactors will require about an order of magnitude reduction in plasma diffusivity. 13 refs., 4 figs., 1 tab

  12. Charged particle activation analysis: present status and future perspectives

    International Nuclear Information System (INIS)

    Chowdhury, D.P.

    2006-01-01

    Charged particle activation analysis is a highly sensitive nuclear analytical technique for the determination of elements at trace and ultra trace levels. CPAA involves the irradiation of samples with high energy charged particles, both light ions and heavy ions, from an accelerator in the energy range of 10 to 100 MeV. CPAA has been developed and standardized for the determination of several elements at trace levels in various types of materials using high energy ion beams from VEC machine at Kolkata. A brief review on CPAA is presented here based on our present works and its applications in future. (author)

  13. Present status of the Riken accelerator research facility (RARF)

    International Nuclear Information System (INIS)

    Kase, M.; Goto, A.; Kageyama, T.; Yokoyama, I.; Nagase, M.; Kohara, S.; Nakagawa, T.; Inabe, N.; Ikegami, K.; Kamigaito, O.; Kidera, M.; Fujita, J.; Yoneda, A.; Kobayashi, M.; Yano, Y.

    1999-01-01

    The K540-MeV RIKEN Ring Cyclotron (RRC) celebrated 10 years of successful beam operation in December 1996. The beam intensities have been increased over years to the present levels of about 500 pnA for 135 MeV/nucleon 12 C and of 2000 pnA for 24 MeV/nucleon 40 Ar. The variation of beam has now exceeded one hundred. These beams have been delivered to users in many fields. Improvements are being and will be made to upgrade the present machine to be matched as an injector to the program of the RI beam factory. (authors)

  14. Carotid artery plaque imaging. Present status and new perspectives

    International Nuclear Information System (INIS)

    Hishikawa, Tomohito; Date, Isao; Iihara, Koji; Yamada, Naoaki; Ueda, Hatsue; Nagatsuka, Kazuyuki; Miyamoto, Susumu

    2010-01-01

    At present, the management of carotid artery (CA) stenosis depends largely on the degree of stenosis. CA plaque imaging is a modality, which assesses the nature of CA plaques objectively and less invasively, that has developed remarkably in recent years. The use of CA plaque imaging in the management of CA stenosis not only reveals the degree of stenosis but it can make the selection of treatment more appropriate by taking the plaque character into consideration. In this manuscript, we introduce ultrasound, intravascular ultrasound, angiography, magnetic resonance imaging (MRI), positron emission tomography (PET) and computed tomography (CT) and describe the present situation and new perspectives of CA plaque imaging. (author)

  15. Present status of the JAEA-AMS-TONO. 2012

    International Nuclear Information System (INIS)

    Saito-Kokubu, Yoko; Matsubara, Akihiro; Ishimaru, Tsuneari; Hanaki, Tatsumi; Nishizawa, A.; Miyake, M.; Ohwaki, Y.; Nishio, T.; Tanaka, Takayuki

    2013-01-01

    The Tono Geoscience Center (TGC) of JAEA has been conducting research into deep underground environments for R and D program related to the geological disposal of High-Level Radioactive Waste. The AMS system of the TGC has routinely been used for 14 C-AMS since it started to be operated in 1998. In recent years, we have promoted the development of system technology for routine 10 Be-AMS. An inter-laboratory comparison of the 14 C-AMS was performed with the JAEA-AMS-MUTSU. The data of isotope ratios obtained with both AMS systems showed that there is no significant difference between them. In the development for the 10 Be-AMS, several test measurements have been performed by using standard samples. The results indicated fairly robust stability of data quality, which contributed to complete the development for routine 10 Be measurement. We are now in the stage of the development for routine 26 Al-AMS. (author)

  16. Present status and perspective of Japanese atomic energy industry

    International Nuclear Information System (INIS)

    Miura, Kenzo

    1990-01-01

    Already 35 years are going to elapse since atomic energy industry was founded in Japan, and the positive development has been carried out in the nuclear power generation mainly with light water reactors as the base energy, as the result, now both the result of electric power generation and the technology have reached the highest level in the world. These are due to the accumulation of efforts, the preponderant assignment of able men and the positive investment for the research and development of the atomic energy industry. However, since 1985, the slowdown of power reactor development, the practical use of new type power reactors such as fast breeder reactors and the establishment of nuclear fuel cycle such as uranium enrichment and fuel reprocessing have been the new situation to be dealt with. In order to properly and flexibly cope with such change of situation, the healthy development of the atomic energy industry so as to secure the market on a certain scale and develop the business with responsibility is indispensable. The outlay of electric power industry related to atomic energy, the development of atomic energy market and the sales of mining and manufacturing industries, the trend of research and development and personnel, and the perspective and subjects of hereafter are reported. (K.I.)

  17. Present status of HTGR research and development, 1995

    International Nuclear Information System (INIS)

    1996-02-01

    Based on the Long-term Program for Development and Utilization of Nuclear Energy which was revised in 1987, the Japan Atomic Energy Research Institute (JAERI) has carried out the Research and Development (R and D) on the High Temperature Gas-cooled Reactors (HTGRs) in Japan. The JAERI obtained the installation permit of the High Temperature Engineering Test Reactor (HTTR) from the Government in November 1990 and started the construction of the HTTR facility in the Oarai Research Establishment in March 1991. The HTTR is a test reactor with thermal output of 30MW and outlet coolant temperature of 850degC at the rated operation and 950degC at the high temperature test operation, using the pin-in-block type fuel, and has capability to demonstrate nuclear process heat utilization. The reactor pressure vessel and intermediate heat exchanger were installed in the reactor containment vessel in 1994, and reactor internals were also installed in the reactor pressure vessel in 1995. The first criticality will be attained in December 1997. This report describes the design outline and construction progress of the HTTR, R and D of fuel, materials and components for the HTGR and high temperature nuclear heat application, and innovative and basic researches for high temperature technologies at the HTTR. (J.P.N.)

  18. Present status and future trends for ceramic parts and engines

    International Nuclear Information System (INIS)

    Kawamura, H.

    1987-01-01

    The author feels that there have been subtle changes in the direction of ceramic engine research in years. Before then, the emphasis was to develop countermeasures to overcome the disappointing performance of adiabatic engines which were made using partially stabilized zirconia. Current interest focuses on finding appropriate applications, namely those which make effective use of ceramic properties, and developing new materials suitable for adiabatic engines. Partially stabilized zirconia in the adiabatic diesel loses its strength around 800 degrees C. On the other hand, silicon nitride has demonstrated the ability to withstand thermal shock because of its high rupture strength. Other new materials are alumina zirconia and alumina titanium (Al 2 TiO 3 ). The latter has both good thermal and rupture strength properties, making it suitable for adiabatic engines. Also important are new or improved metal-ceramic joining technologies needed for camshafts, pistons, rocker arms and supercharger rotor blades. Another reason for the failure of the previous ceramic adiabatic engine was the inherent inability of the engine design to make use of the excess heat generated in the combustion chamber. In order to overcome this difficulty, a new type of adiabatic turbo-compound engine has been considered. A turbocharger-type energy recovery system is installed at the engine exhaust, and its power output is fed back to the crankshaft through an elaborate generator/motor system in lieu of the traditional gear train system. The generator speed is regulated to achieve the maximum exhaust gas turbine efficiency

  19. Photoionization cross sections: present status and future needs

    International Nuclear Information System (INIS)

    Manson, S.T.

    1988-01-01

    The existing experimental data situation for photoionization cross section of ground-state atoms, excited states and positive ions is reviewed. The ability of theory to predict these cross sections is also discussed. The likely progress for the near future is presented [pt

  20. Present Status of b -> s l+ l- Anomalies

    CERN Document Server

    Mahmoudi, Farvah; Neshatpour, Siavash

    2017-05-04

    We discuss the observed deviations in b -> s l+ l- processes from the Standard Model predictions and present global fits for the New Physics description of these anomalies. We further investigate the stability of the global fits under different theoretical assumptions and suggest strategies and a number of observables to clear up the source of the anomalies.

  1. The Electronic Presentation: A Status Report of International Use.

    Science.gov (United States)

    Griffin, Robert E.; And Others

    This paper describes how electronic presentations are currently used by business people. Business people in the United States and Sweden were surveyed to determine how they are using the medium. A questionnaire was mailed to 506 business people in the United States (201 returned) and to 80 business people in Sweden (76 returned). Results are…

  2. Status of nuclear technology education in Mongolia

    International Nuclear Information System (INIS)

    Davaa, S.; Khuukhenkhuu, G.

    2007-01-01

    The National University of Mongolia (NUM) is the country's oldest, the only comprehensive university, and a leading center of science, education and culture. The NUM has twelve schools and faculties in the capital city Ulaanbaatar and three branches in provinces. The University offers the widest range of undergraduate and graduate programs in natural and social sciences and humanities. After sixty years of dynamic growth, the University has become a place of sustained innovation, a blend of scholarship and practical realism. The last ten years have been a period of reforms in the structure, financing and governance of Mongolian educational institutions. The NUM has been continuously adjusting its operations and curriculum to deal with new economic conditions, changing labour market demands and altered social aspirations. Committed to human peace, development and welfare in the increasingly globalized world, the NUM promotes equal and mutually beneficial international cooperation. It is a member of the International Association of Universities (IAU), University Mobility in Asia and the Pacific (UMAP), and Euro-Asian University Network (EAUN) and has direct co-operation agreements with more than sixty international academic and research centers in Europe, the USA and the Asia-Pacific Rim. On the threshold of the 21st century, the NUM remains a major center for fundamental and applied research as well as a university that is distinguished by the quality of its teaching. Following its values and traditions, the University strives to be an innovative and dynamic learning community. Requirements for Program Majored in Nuclear Technology: Profession major purpose: The objective is to provide knowledge and skills to use nuclear physics' methodology and nuclear radiation for education, science, health protection, agriculture, geology, mining, nature protection, energy and etc industries. The graduates of this major will become engineer technology staff and researchers in

  3. Present state and future of new energy technology development

    Energy Technology Data Exchange (ETDEWEB)

    Kitamura, N

    1976-08-01

    The Sunshine Project was begun in 1973 by the Japanese Ministry of Industry to investigate all alternative energy sources other than nuclear. The project is subdivided into four separate areas, those being solar energy, geothermal energy, liquefaction and gasification of coal, and hydrogen fuel. This article describes the present state of these technologies and their probable future development. Although hydrogen fuel and coal liquefaction/gasification are still in the basic research stage solar and geothermal technologies are already well developed.

  4. Current status of Chinese nuclear power industry and technology

    International Nuclear Information System (INIS)

    Kim, Hyun Min; Kim, Min; Jeong, Hee Jong; Hwang, Jeong Ki; Cho, Chung Hee

    1996-10-01

    China has been carrying out active international cooperation aiming to be a country where is to be an economical super power and an advanced country in nuclear power technology by the year early 2000, and China also has begun to be recognized as the largest potential market for the construction of nuclear power plants(NPPs) expecting to construct more than thirty nuclear power units by the year 2020. China has advanced technology in the basic nuclear science including liquid metal breeder reactor technology, nuclear material, medium and small size power plants, and isotope production technology, and also China has complete nuclear fuel cycle technology. However, China still has low NPP technology. Therefore, it is expected that China may have complementary cooperative relationship with China, it is expected that Korea may have an access to the advanced Chinese nuclear science technology, and may have a good opportunity to explore the Chinese market actively exporting excellent Korean NPP technology, and further may have a good position to the neighboring Asian countries' NPP markets. From this perspective, general Chinese social status, major nuclear R and D activity status, and correct NPP and technology status have been analyzed in this report, and this report is expected to be a useful resource for cooperating with China in future. 10 tabs., 6 figs., 16 refs. (Author)

  5. General concept and present status of the AMS - project

    International Nuclear Information System (INIS)

    Stan-Sion, C.; Plostinaru, D.; Catana, L.; Radulescu, M.; Marinescu, L.; Dima, R.

    1998-01-01

    sensitivities. For the same reason, the transmission to the beam line and the ion current must be maximized. Additionally, cross-contamination between different samples should be minimized. To meet all these requirements, a new cesium sputter ion source has been constructed and is under the tests. Beams from the source are focused by an optical element (Einzel lens and steerer) on the object slits of a 90 angle double-focusing Danfysik analyzing magnet. The Injector was designed using the beam optics code OPTIC 4. The same code was used to couple the beams from the injector to the other transport elements down to the entrance into the tandem accelerator. To ensure good transmission through the analyzing magnet, the width of the beam is controlled by measuring the currents on a four-fold diaphragm system placed in the object point of the magnet. The information is used to adjust focusing power and steering done by the optical element after the sputter source. At this preliminary status, the stable isotopes are monitored by a Faraday cup which is positioned by remote control into the beam axis at the image point of the analyzing magnet. Our scientific research programme is devoted to environmental AMS studies. (authors)

  6. Status of Solar Sail Technology Within NASA

    Science.gov (United States)

    Johnson, Les; Young, Roy; Montgomery, Edward; Alhorn, Dean

    2010-01-01

    In the early 2000s, NASA made substantial progress in the development of solar sail propulsion systems for use in robotic science and exploration of the solar system. Two different 20-m solar sail systems were produced and they successfully completed functional vacuum testing in NASA Glenn Research Center's (GRC's) Space Power Facility at Plum Brook Station, Ohio. The sails were designed and developed by ATK Space Systems and L Garde, respectively. The sail systems consist of a central structure with four deployable booms that support the sails. These sail designs are robust enough for deployment in a one-atmosphere, one-gravity environment and were scalable to much larger solar sails perhaps as large as 150 m on a side. Computation modeling and analytical simulations were also performed to assess the scalability of the technology to the large sizes required to implement the first generation of missions using solar sails. Life and space environmental effects testing of sail and component materials were also conducted. NASA terminated funding for solar sails and other advanced space propulsion technologies shortly after these ground demonstrations were completed. In order to capitalize on the $30M investment made in solar sail technology to that point, NASA Marshall Space Flight Center (MSFC) funded the NanoSail-D, a subscale solar sail system designed for possible small spacecraft applications. The NanoSail-D mission flew on board the ill-fated Falcon-1 Rocket launched August 2, 2008, and due to the failure of that rocket, never achieved orbit. The NanoSail-D flight spare will be flown in the Fall of 2010. This paper will summarize NASA's investment in solar sail technology to-date and discuss future opportunities

  7. Status of solar sail technology within NASA

    Science.gov (United States)

    Johnson, Les; Young, Roy; Montgomery, Edward; Alhorn, Dean

    2011-12-01

    In the early 2000s, NASA made substantial progress in the development of solar sail propulsion systems for use in robotic science and exploration of the solar system. Two different 20-m solar sail systems were produced. NASA has successfully completed functional vacuum testing in their Glenn Research Center's Space Power Facility at Plum Brook Station, Ohio. The sails were designed and developed by Alliant Techsystems Space Systems and L'Garde, respectively. The sail systems consist of a central structure with four deployable booms that support each sail. These sail designs are robust enough for deployment in a one-atmosphere, one-gravity environment and are scalable to much larger solar sails - perhaps as large as 150 m on a side. Computation modeling and analytical simulations were performed in order to assess the scalability of the technology to the larger sizes that are required to implement the first generation of missions using solar sails. Furthermore, life and space environmental effects testing of sail and component materials was also conducted.NASA terminated funding for solar sails and other advanced space propulsion technologies shortly after these ground demonstrations were completed. In order to capitalize on the $30 M investment made in solar sail technology to that point, NASA Marshall Space Flight Center funded the NanoSail-D, a subscale solar sail system designed for possible small spacecraft applications. The NanoSail-D mission flew on board a Falcon-1 rocket, launched August 2, 2008. As a result of the failure of that rocket, the NanoSail-D was never successfully given the opportunity to achieve orbit. The NanoSail-D flight spare was flown in the Fall of 2010. This review paper summarizes NASA's investment in solar sail technology to date and discusses future opportunities.

  8. Presentations of the CONRAD tailings seminar : exploring the past, present and future of tailings technologies

    International Nuclear Information System (INIS)

    2004-01-01

    This symposium explored oil sand tailings activities in Canada and their associated technologies. It was attended by active and prospective tailings researchers and developers of tailings technology who addressed timely issues regarding mature fine tailings, consolidated tailings, thickened tailings, and emerging tailings technologies. The collaborative research projects that are underway at the Oil Sands Tailings Research Facility were also discussed along with other topics such as tailings ponds management, water treatment, water quality and water supply security. All 16 presentations featured at this conference were indexed separately for inclusion in this database

  9. Status of the DOE battery and electrochemical technology program. III

    International Nuclear Information System (INIS)

    Roberts, R.

    1982-02-01

    This report reviews the status of the Department of Energy Subelement on Electrochemical Storage Systems. It emphasizes material presented at the Fourth US Department of Energy Battery and Electrochemical Contractors' Conference, held June 2-4, 1981. The conference stressed secondary batteries, however, the aluminum/air mechanically rechargeable battery and selected topics on industrial electrochemical processes were included. The potential contributions of the battery and electrochemical technology efforts to supported technologies: electric vehicles, solar electric systems, and energy conservation in industrial electrochemical processes, are reviewed. The analyses of the potential impact of these systems on energy technologies as the basis for selecting specific battery systems for investigation are noted. The battery systems in the research, development, and demonstration phase discussed include: aqueous mobile batteries (near term) - lead-acid, iron/nickel-oxide, zinc/nickel-oxide; advanced batteries - aluminum/air, iron/air, zinc/bromine, zinc/ferricyanide, chromous/ferric, lithium/metal sulfide, sodium/sulfur; and exploratory batteries - lithium organic electrolyte, lithium/polymer electrolyte, sodium/sulfur (IV) chloroaluminate, calcium/iron disulfide, lithium/solid electrolyte. Supporting research on electrode reactions, cell performance modeling, new battery materials, ionic conducting solid electrolytes, and electrocatalysis is reviewed. Potential energy saving processes for the electrowinning of aluminum and zinc, and for the electrosynthesis of inorganic and organic compounds are included

  10. On the present status of the Klein Paradox

    International Nuclear Information System (INIS)

    Wergeland, H.

    1980-01-01

    Klein's paradox is a solution of Dirac's equation which implies that electrons may penetrate an electrostatic potential barrier even when their kinetic energy is lower than the barrier. Since the barrier is infinitely broad this is not a case of tunneling. A number of treatments of the paradox, by Sauter, Hylleraas, Jenssen and others are discussed, and the Boundary Value Problem is treated at some length. Examples are presented with an infinitely broad barrier and with a barrier of finite breadth. (JIW)

  11. Problems and the present status of radiation educational curriculum

    International Nuclear Information System (INIS)

    Hiroi, Tadashi; Muraishi, Yukimasa; Mikado, Shogo; Watanabe, Tomohiro

    1999-01-01

    To examine teaching curriculum for radiation education requires a collective and extensive consideration on various subjects from many fields. The present study has been made from 4 points of view, namely 'physics', physics experiment', 'chemistry', and 'general science'. In 'physics', a curriculum in which learning about radiation followed by learning Newtonian mechanics was examined. Some group experiments taking radiation as the subject, a curriculum including radiation and radioactivity in high school chemistry course and general science are proposed and discussed briefly. (S. Ohno)

  12. Inertial confinement fusion: present status and future potential

    International Nuclear Information System (INIS)

    Hogan, W.J.

    1984-01-01

    Power from inertial confinement fusion holds much promise for society. This paper points out many of the benefits relative to combustion of hydrocarbon fuels and fission power. Potential problems are also identified and put in perspective. The progress toward achieving inertial fusion power is described and results of recent work at the Lawrence Livermore National Laboratory are presented. Key phenomenological uncertainties are described and experimental goals for the Nova laser system are given. Several ICF reactor designs are discussed

  13. Acid agglomeration heap leaching: present status, principle and applications

    International Nuclear Information System (INIS)

    Zeng Yijun

    2004-01-01

    For extracting valuable metal from clay-bearing acidic ores of poor permeability, agglomerated acid heap leaching appears to be the most effective method, whereas conventional leaching and general heap leaching bring about unsatisfactory recovery and poor economic returns. The present state of research work on acid agglomeration worldwide and its basic principle are discussed. The first commercial application employing acid agglomeration-heap leaching in China is also introduced

  14. Present status of radiochemical double β decay study (238U)

    International Nuclear Information System (INIS)

    Chevallier, A.; Chevallier, J.; Escoubes, B.; Schulz, N.; Sens, J.C.; Madic, C.; Maillard, C.

    1989-01-01

    The reasons for which the 238 U is a suitable candidate for the β β decay processes are explained. The strategy adopted for the radiochemical separation of the 234 U is given. A chemical system based on extraction chromatography is applied. The Pu IV breakthrough curves obtained at 40C during 238 Pu/ 238 U separation cycles are presented. A short description of the chromatographic facility is given. The solution adopted for the low background α spectrometer is explained

  15. Present status of preparation to the Pan-Orthodox Council

    Directory of Open Access Journals (Sweden)

    Biskup Jerzy Pańkowski

    2014-11-01

    Full Text Available The article begins from explanation of the meaning (from the point of view of the Orthodox Church of the word „catholic” as one of the ontological attributes of the Church. Than the author presents the examples of the different kinds of meetings of Church hierarchs on the highest level and its titles/names.Than the article gives a short presentation of the initiative and history of the convene of Pan-Orthodox Council. The idea of that kind of meeting was born in the beginning of XX century on Ecumenical Patriarchate.The preparation to the Pan-Orthodox Council lasts many yearsand contains of many different kind of meetings. Meetings of the special commission that consists of representatives of each Autocephaly Orthodox Church concentrate on the different topics. During last meetings several important topics were discussed, as: Orthodox Diaspora, Autonomy and the methods of its granting, Autocephaly and the methods of its grantingand Diptychs. The author, who took part in some of these meeting,explains the positions of the various Churches in these matters as well asshares his opinions on them.In conclusion the author presents the opinion that despite many different problems on the way to prepare the Pan-Orthodox Council, this idea can be realized even in the near future.

  16. Micro-PIXE in plant sciences: Present status and perspectives

    International Nuclear Information System (INIS)

    Mesjasz-Przybylowicz, Jolanta; Przybylowicz, Wojciech J.

    2002-01-01

    Fundamental processes of plant physiology are affected or regulated by mineral nutrients. Hence understanding the mechanisms of nutrient uptake and their functions in plant metabolism is of fundamental importance in both basic and applied plant studies. The present knowledge of ion uptake mechanisms is based mostly on techniques for bulk analysis, including analysis of small (mg-sized) samples but without spatially resolved results. On the other hand, advanced studies of elemental transport at a cellular level are conducted using techniques with high and very high spatial resolution, but with low sensitivity for elemental analysis. Thus the results obtained are usually restricted to macronutrients or elements present in high quantities. There is a high demand for studies of the functions of trace elements. In addition, it is known that, depending on their concentrations, elements can play different roles in plant life. Studies related to elemental deficiency and toxicity, as well as environmental pollution, require accurate, fully quantitative methods with good spatial resolution. Ideally, these studies should be conducted on organs and tissues as far down as the cellular level. This is where micro-PIXE has been applied until present and can in the near future play a much more important role. Progress is subject to closer collaboration between plant biologists and the PIXE community in terms of addressing problems of specimen preparation, refinement of analytical protocols such as quantitative elemental mapping and the interpretation of results

  17. Dish concentrators for solar thermal energy - Status and technology development

    Science.gov (United States)

    Jaffe, L. D.

    1981-01-01

    Comparisons are presented of point-focusing, or 'dish' solar concentrator system features, development status, and performance levels demonstrated to date. In addition to the requirements of good optical efficiency and high geometric concentration ratios, the most important future consideration in solar thermal energy dish concentrator design will be the reduction of installed and lifetime costs, as well as the materials and labor costs of production. It is determined that technology development initiatives are needed in such areas as optical materials, design wind speeds and wind loads, structural configuration and materials resistance to prolonged exposure, and the maintenance of optical surfaces. The testing of complete concentrator systems, with energy-converting receivers and controls, is also necessary. Both reflector and Fresnel lens concentrator systems are considered.

  18. Present status of nuclear medicine - Situation in France

    International Nuclear Information System (INIS)

    Swiniarski, R. de

    2002-01-01

    Contrary to the general belief the nuclear medicine (NM) is a rather old science; actually, Henry Becquerel, the discoverer of the natural radioactivity in 1896, is deemed often as the initiator of this science and that would be the first stage. Discovery of artificial radioactivity by Irene and Frederic Joliot-Curie in 1934 marks the second essential stage and as such the initiation of NM. Nuclear medicine recorded significant progress since its inception, essentially after the WW1 due mainly to the advance of nuclear physics, nuclear electronics and the associated information techniques. But, the development of general physics boosted also other new methods of medical imaging as MRI (Magnetic Resonance Imaging), ultrasonic imaging, X-ray scanner, magnetic encephalography (MEG), etc. Several services of nuclear medicine currently functioning in France, in public or private hospitals, are all equipped at least with one Anger chamber, possibly two, what allows making the scintigraphy of most of human organs, or else, planar gamma-scintigraphy or tomo-scintigraphy. Unfortunately, regarding the positron chambers (positron computed tomography-PCT) the situation in France is not satisfactory. For the time being only three centres, particularly designed for research, are equipped with cyclotrons plus PCT technology, namely SHFJ at Orsay, Cyceron at Caen and SERMEP at Lyon (especially devoted to cardiologic investigation). Other two installations will be soon available at Toulouse and at Tenon (Paris). Officials, responsible of health services and medical schools and hospitals have defined a national index for PCT in France. Thus, starting from 2001, a machine for every million of inhabitants is provided, i.e. about 60 PCTs are planned to be installed till 2003 in Lille, Grenoble, Nantes, Rennes and other large French cities. France is committed not to miss the European bus of nuclear oncology of installing this equipment absolutely necessary in cancer detection and

  19. Positron emission tomography. Present status and Romanian perspectives

    International Nuclear Information System (INIS)

    Constantinescu, B.; Lungu, V.

    1995-01-01

    Basic principles of the positron emission tomography (PET) are summarised. The main PET methods using short-lived radioisotopes (i.e. 11 C, 13 N, 15 O, 18 F) are briefly reviewed. Three types of particle accelerators for radioisotopes production and medical uses (including radiotherapy), corresponding to the proton energy (E p p p < 200 MeV) are presented. PET imaging equipment and procedures are discussed. Main radiopharmaceuticals based on beta decay for PET studies and their role in medicine is also described. Finally, perspectives for a PET program in Romania (Cyclotron + Radiochemistry + Tomograph ) are discussed. (author)

  20. Electron stopping power in dosimetry. I. Evolution and present status

    International Nuclear Information System (INIS)

    Andreo, P.

    1985-01-01

    A review of the theory and the evolution of the calculation of the collision stopping power of electrons has been performed. Special emphasis has been given to those aspects and materials used in the dosimetry electron and photon beams. The important parameters mean excitation energy and the density effect correction are considered in detail to clarify the different models and data available at the present time. Updated data, comparisons and results are given using the formulation and numerical values described in this work. (author)

  1. [The present epidemiological status of African swine fever].

    Science.gov (United States)

    Hess, G

    1986-01-01

    At present, African swine fever (ASF) persists as an enzootic infection both on the African continent and in Europe (Portugal, Spain, and Sardinia). The recent outbreaks of ASF in Belgium and in the Netherlands have again demonstrated the threat of this disease to the swine population in Germany. The main reasons for this threat are the great tenacity of this virus and its stability in meat and meat products together with an immense tourism into these enzootic areas. Epizootiological peculiarities, such as virus replication in ticks and inapparent infections in wild boars are the reason why eradication of the disease has failed so far, especially when pigs are allowed to roam the countryside.

  2. The present status of the Daresbury Nuclear Structure Facility

    International Nuclear Information System (INIS)

    Voss, R.G.P.

    1983-01-01

    This paper covers the development of the Daresbury Nuclear Structure Facility from 1973 to the present. At that point, the design study had been completed for a tandem to operate initially at 20 MeV and to undergo eventual upgrading to 30 MeV, and a fully costed proposal had been submitted to the Science Research Council. In 1974, planning permission was obtained, and full financial authorization was given to proceed to the 20 MeV stage. The design of the accelerator fell into two areas. The first of these covered those aspects of the design based on known techniques and calculable properties such as the ion beam optics and dynamics and associated equipment. The second area dealt with the less certain design aspects: the behavior of insulators, their protection, the properties of charging mechanisms, accelerator tubes and vacuum systems, and the operation of a computerized control system in a hostile high-voltage environment. This paper describes the research programs and the pilot and test equipment employed to overcome these uncertainties and goes on to discuss a variety of experiments conducted at the present facility

  3. [Present status of zoonotic hemorrhagic fevers of South America].

    Science.gov (United States)

    Chastel, C

    1993-01-01

    Since 1958, the geographical distribution of Argentine hemorrhagic fever (AHF) has especially extended non only into the province of Buenos Aires but also towards the provinces of Santa Fe and Cordoba, leading to an estimated population at risk of about 1.2 M inhabitants. Recent epidemiological field studies has confirmed the major role of Calomys musculinus and C. laucha rodents in both transmission to man and conservation of Junin virus in nature. However, the human infection may result essentially from contacts with infected C. musculinus. Clinical condition of patients with AHF was greatly improved using AHF convalescent plasma and additional administration of vidarabin may still improve the results of treatment. A live attenuated vaccine, Candid No 1, is presently under evaluation in endemic foci of AHF. On the contrary Bolivian hemorrhagic fever (BHV) appears at present quite silent. A new disease resembling both AHF and BHF, the Venezuelan hemorrhagic fever, appeared in 1989 in the rural areas of central Llanos of Venezuela. The mortality was very high, reaching 23% or more among severely ill patients. The wild small rodents responsible for the disease were identified as Sigmodon alstoni and Zygotontomys brevicauda. Recent extension of agricultural practices and massive immigration may probably explain the recent emergence of this new viral zoonosis.

  4. Present status and prospects of food irradiation in France

    International Nuclear Information System (INIS)

    Laizier, J.

    1985-09-01

    Following the conclusions of the JEFCI (Joint FAO/IAEA/WHO Expert Committee on whole someness of Irradiated Food), CEA (French Atomic Energy Commission) was required by the regulatory committees, in 1981-82, to present a white book on the whole someness of irradiated foods. Following the approval of this white book it was decided to not modify hastily the current regulation of 1970; but to lighten the content of the file of request for authorization by removing its part related to toxicological evidences. This liberalization of procedure has encouraged industrial projects. A large effort of development is initiated and taken in charge locally. The CEA has very important responsabilities in this national effort of development of food irradiation. Three new designs for gamma industrial irradiators were recently improved in France specifically in view of food irradiation, beside the other more conventional designs of carrier and pallet irradiators, already available and well known. The presently available accelerators are not well fitted to food irradiation; the penetration of electrons which are produced is not high enough for food products. A french company, CGR-MeV, recently developed a linear accelerator of 10 MeV and 10 Kw, which appears very attractive

  5. Nanomaterials in the field of design ergonomics: present status.

    Science.gov (United States)

    Chowdhury, Anirban; Sanjog, J; Reddy, Swathi Matta; Karmakar, Sougata

    2012-01-01

    Application of nanotechnology and nanomaterials is not new in the field of design, but a recent trend of extensive use of nanomaterials in product and/or workplace design is drawing attention of design researchers all over the world. In the present paper, an attempt has been made to describe the diverse use of nanomaterials in product and workplace design with special emphasis on ergonomics (occupational health and safety; thermo-regulation and work efficiency, cognitive interface design; maintenance of workplace, etc.) to popularise the new discipline 'nanoergonomics' among designers, design users and design researchers. Nanoergonomics for sustainable product and workplace design by minimising occupational health risks has been felt by the authors to be an emerging research area in coming years. Use of nanomaterials in the field of design ergonomics is less explored till date. In the present review, an attempt has been made to extend general awareness among ergonomists/designers about applications of nanomaterials/nanotechnology in the field of design ergonomics and about health implications of nanomaterials during their use.

  6. Present status of the theory of πNN systems

    International Nuclear Information System (INIS)

    Mizutani, T.

    1987-01-01

    In the present discussion the existing data are compared with various model calculations within the πNN theory to assess the appropriateness of the latter. Globally the models in their present form reproduce the data quite well in view of the number of channels in which the comparison was made. From the quantitative point of view the models must be upgraded in several different ingredients. First, it is the parameters of the NN heavy meson exchange potentials when combined with the explicit pion and nucleon isobar degrees of freedom. A right choice of their values will lead to a better account of such observables like the beam asymmetries and vector analyzing power in a number of channels like NN in equilibrium πd, NN → πNN, etc. The next one may be the model for the Δ resonance (or the πN P 33 off-shell amplitude). A simple monopole or dipole form factor for the πNΔ vertex had difficulty in reproducing the major NN partial wave phase parameters. In view of the fact that dσ/dΩ for the deuteron photodisintegration in the Δ resonance region cannot be explained at all by the coupled NN-NΔ model, one should seriously consider a better model for the Δ. 39 refs., 10 figs

  7. Cosmogenic radionuclides as a synchronisation tool - present status

    Science.gov (United States)

    Muscheler, Raimund; Adolphi, Florian; Mekhaldi, Florian; Mellström, Anette; Svensson, Anders; Aldahan, Ala; Possnert, Göran

    2014-05-01

    Changes in the flux of galactic cosmic rays into Earth's atmosphere produce variations in the production rates of cosmogenic radionuclides. The resulting globally synchronous signal in cosmogenic radionuclide records can be used to compare time scales and synchronise climate records. The most prominent example is the 14C wiggle match dating approach where variations in the atmospheric 14C concentration are used to match climate records and the tree-ring based part of the 14C calibration record. This approach can be extended to other cosmogenic radionuclide records such as 10Be time series provided that the different geochemical behaviour of 10Be and 14C is taken into account. Here we will present some recent results that illustrate the potential of using cosmogenic radionuclide records for comparing and synchronising different time scales. The focus will be on the last 50000 years where we will show examples how geomagnetic field, solar activity and unusual short-term cosmic ray changes can be used for comparing ice core, tree ring and sediment time scales. We will discuss some unexpected offsets between Greenland ice core and 14C time scale and we will examine how far back in time solar induced 10Be and 14C variations presently can be used to reliably synchronise ice core and 14C time scales.

  8. The present status of scientific applications of nuclear explosions

    International Nuclear Information System (INIS)

    Cowan, G.A.; Diven, B.C.

    1970-01-01

    This is the fourth in a series of symposia which started, in 1957 at Livermore with the purpose of examining the peaceful uses of nuclear explosives. Although principal emphasis has b een placed on technological applications, the discussions have, from the outset, included the fascinating question of scientific uses. Of the possible scientific applications which were mentioned at the 1957 meeting, the proposals which attracted most attention involved uses of nuclear explosions for research in seismology. It is interesting to note that since then a very large and stimulating body of data in the field of seismology has been collected from nuclear tests. Ideas for scientific applications of nuclear explosions go back considerably further than 1957. During the war days Otto Frisch at Los Alamos suggested that a fission bomb would provide an excellent source of fast neutrons which could be led down a vacuum pipe and used for experiments in a relatively unscattered state. This idea, reinvented, modified, and elaborated upon in the ensuing twenty-five years, provides the basis for much of the research discussed in this morning's program. In 1952 a somewhat different property of nuclear explosions, their ability to produce intense neutron exposures on internal targets and to synthesize large quantities of multiple neutron capture products, was dramatically brought to our attention by analysis of debris from the first large thermonuclear explosion (Mike) in which the elements einsteinium and fermiun were observed for the first time. The reports of the next two Plowshare symposia in 1959 and 1964 help record the fascinating development of the scientific uses of neutrons in nuclear explosions. Starting with two 'wheel' experiments in 1958 to measure symmetry of fission in 235-U resonances, the use of external beams of energy-resolved neutrons was expanded on the 'Gnome' experiment in 1961 to include the measurement of neutron capture excitation functions for 238-U, 232-Th

  9. The present status of scientific applications of nuclear explosions

    Energy Technology Data Exchange (ETDEWEB)

    Cowan, G A; Diven, B C [Los Alamos Scientific Laboratory, University of California, Los Alamos, NM (United States)

    1970-05-15

    This is the fourth in a series of symposia which started, in 1957 at Livermore with the purpose of examining the peaceful uses of nuclear explosives. Although principal emphasis has {sup b}een placed on technological applications, the discussions have, from the outset, included the fascinating question of scientific uses. Of the possible scientific applications which were mentioned at the 1957 meeting, the proposals which attracted most attention involved uses of nuclear explosions for research in seismology. It is interesting to note that since then a very large and stimulating body of data in the field of seismology has been collected from nuclear tests. Ideas for scientific applications of nuclear explosions go back considerably further than 1957. During the war days Otto Frisch at Los Alamos suggested that a fission bomb would provide an excellent source of fast neutrons which could be led down a vacuum pipe and used for experiments in a relatively unscattered state. This idea, reinvented, modified, and elaborated upon in the ensuing twenty-five years, provides the basis for much of the research discussed in this morning's program. In 1952 a somewhat different property of nuclear explosions, their ability to produce intense neutron exposures on internal targets and to synthesize large quantities of multiple neutron capture products, was dramatically brought to our attention by analysis of debris from the first large thermonuclear explosion (Mike) in which the elements einsteinium and fermiun were observed for the first time. The reports of the next two Plowshare symposia in 1959 and 1964 help record the fascinating development of the scientific uses of neutrons in nuclear explosions. Starting with two 'wheel' experiments in 1958 to measure symmetry of fission in 235-U resonances, the use of external beams of energy-resolved neutrons was expanded on the 'Gnome' experiment in 1961 to include the measurement of neutron capture excitation functions for 238-U, 232

  10. Present Status of HTGR Utilization System Development in Japan

    International Nuclear Information System (INIS)

    Miyamoto, Yoshiaki

    2000-01-01

    Efforts are to be continuously devoted to establish and upgrade HTGR technology in the world. Japan Atomic Energy Research Institute (JAERI) has conducted the R and D of HTGRs since the 1960's in Japan, focusing on mainly the construction of High Temperature engineering Test Reactor (HTTR) which is an HTGR with a maximum helium gas temperature of 950 o C at the reactor outlet and HTGR utilization systems. The HTTR achieved first criticality on November 10, 1998 and will restart from January in 2001. In the R and D program of HTGR utilization systems, JAERI has conducted hydrogen production systems with HTGR to demonstrate the applicability of nuclear heat for extensive energy demands besides the electric power generation. JAERI has developed a hydrogen production system by steam reforming process of natural gas using nuclear heat supplied from the HTTR. Prior to the demonstration test of HTTR hydrogen production system, a 1/30-scale out-of-pile test facility is under construction for safety review and detailed design of the system. The out-of-pile test facility will be started in 2001 and will be continued about 4 years. The hydrogen permeation and corrosion tests have been carried out since 1997. Check and review for the demonstration program in the HTTR hydrogen production system will be made in 2001. Then the HTTR hydrogen production system is scheduled to be constructed from 2003 and demonstratively operated from around 2006. In parallel with the R and D of the HTTR hydrogen production system, hydrogen production method by thermochemical water splitting, so-called IS process, has been studied in JAERI. The IS process is placed as one of future candidates of the heat utilization systems of the HTTR following the steam reforming system. Continuous and stoichiometric production of hydrogen and oxygen for 48 hours was successfully achieved with a laboratory-scale apparatus mainly made of glass. Following this achievement, the study has been continued with a larger

  11. Sensing technology current status and future trends

    CERN Document Server

    Mukhopadhyay, Subhas; Jayasundera, Krishanthi; Bhattacharyya, Nabarun

    2014-01-01

    This book is written for academic and industry professionals working in the field of sensing, instrumentation and related fields, and is positioned to give a snapshot of the current state of the art in sensing technology, particularly from the applied perspective.  The book is intended to give a broad overview of the latest developments, in addition to discussing the process through which researchers go through in order to develop sensors, or related systems, which will become more widespread in the future.  

  12. Ayurvedic research and methodology: Present status and future strategies.

    Science.gov (United States)

    Chauhan, Ashutosh; Semwal, Deepak Kumar; Mishra, Satyendra Prasad; Semwal, Ruchi Badoni

    2015-01-01

    Ayurveda is a science of life with a holistic approach to health and personalized medicine. It is one of the oldest medical systems, which comprises thousands of medical concepts and hypothesis. Interestingly, Ayurveda has ability to treat many chronic diseases such as cancer, diabetes, arthritis, and asthma, which are untreatable in modern medicine. Unfortunately, due to lack of scientific validation in various concepts, this precious gift from our ancestors is trailing. Hence, evidence-based research is highly needed for global recognition and acceptance of Ayurveda, which needs further advancements in the research methodology. The present review highlights various fields of research including literary, fundamental, drug, pharmaceutical, and clinical research in Ayurveda. The review further focuses to improve the research methodology for Ayurveda with main emphasis on the fundamental research. This attempt will certainly encourage young researchers to work on various areas of research for the development and promotion of Ayurveda.

  13. Digital positron lifetime spectroscopy: present status and outlook

    International Nuclear Information System (INIS)

    Becvar, F.

    2007-01-01

    This contribution summarizes achievements in instrumentation for positron lifetime measurements with emphasis on digital spectrometric systems. A significant part of the data presented are based on a long-term exploitation of a conventional positron lifetime spectrometer developed at Charles University in early 90s, on bench-mark testing measurements with this spectrometer working temporarily in conjunction with a pair of 8-bit, 4 GS/s digitizers and on analogous measurements with a recently assembled digital positron lifetime spectrometer. In addition, results from testing experiments with microchannel plate photomultipliers are briefly reported. Further development of positron lifetime technique is discussed. (copyright 2007 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim) (orig.)

  14. Uranium exploration in India: present status and future strategies

    International Nuclear Information System (INIS)

    Maithani, P.B.

    2011-01-01

    Exploration for Uranium in India dates back to 1949, where surveys to locate atomic minerals were initiated in the well established Copper Thrust Belt (CTB) of Singhbhum, in the present day Jharkhand state. Based on the limited understanding on uranium geology, the thrust zones of Singhbhum which were popularly known for hosting Copper mineralization were targeted presuming sympathetic relation between Copper and Uranium. Exploration for uranium over the past six decades has resulted in identifying eleven major uranium deposits distributed in varied geological environs all over the country. Apart from conventional uranium mineralization, non-conventional resources like phosphorite, black shale etc. have immense potential. Even though their uranium grades will be of lower order, their uranium content will be huge due to their extensive size. In addition to intensifying uranium exploration in potential geological domains, AMD also plans to tap the non-conventional resources which will add substantially to the resource base

  15. Ayurvedic research and methodology: Present status and future strategies

    Science.gov (United States)

    Chauhan, Ashutosh; Semwal, Deepak Kumar; Mishra, Satyendra Prasad; Semwal, Ruchi Badoni

    2015-01-01

    Ayurveda is a science of life with a holistic approach to health and personalized medicine. It is one of the oldest medical systems, which comprises thousands of medical concepts and hypothesis. Interestingly, Ayurveda has ability to treat many chronic diseases such as cancer, diabetes, arthritis, and asthma, which are untreatable in modern medicine. Unfortunately, due to lack of scientific validation in various concepts, this precious gift from our ancestors is trailing. Hence, evidence-based research is highly needed for global recognition and acceptance of Ayurveda, which needs further advancements in the research methodology. The present review highlights various fields of research including literary, fundamental, drug, pharmaceutical, and clinical research in Ayurveda. The review further focuses to improve the research methodology for Ayurveda with main emphasis on the fundamental research. This attempt will certainly encourage young researchers to work on various areas of research for the development and promotion of Ayurveda. PMID:27833362

  16. Social costs of energy. Present status and future trends. Proceedings

    International Nuclear Information System (INIS)

    Hohmeyer, O.; Ottinger, R.L.

    1994-01-01

    The social or external costs of energy have received a high degree of internatinal attention since the publication of the first empirical results in 1988. Possible global climate change and the call for a sustainable future of mankind have put the question of social costs onto the agenda of many national and international converences like the 'Earth Summit' in Rio 1992. A scientific discussion has been sparked off, searching for the best methodoligical approaches and reliable empirical data. An overview of this discussion was given by the report on the 1st international workshop published in 1991. This book reports on the 2nd international workshop on the subject and gives a broad overview of the discussion in the 25 papers presented. It is the most comprehensive picture of this subject matter avvailable. (orig.)

  17. Present status of the theoretical relativistic plasma SHF electronics

    International Nuclear Information System (INIS)

    Kuzelev, M.V.; Rukhadze, A.A.

    2000-01-01

    Paper presents a review of theoretical investigations into powerful sources of SHF waves grounded on the forced emission of relativistic electron beams in plasma wave guides and resonator. Emission sources operating under amplification of a certain inlet signal and under generation mode were studied. Two mechanisms of forced emission: resonance Cherenkov radiation of relativistic electron beams in plasma and nonresonance Pierce emission resulting from evolution of high-frequency Pierce instability, were studied. Paper discusses theoretical problems only, all evaluations and calculations are made for the parameters of the exact experiments, the theoretical results are compared with the available experimental data. Factors affecting formation of spectrum of waves excited by relativistic electron beam in plasma systems are discussed [ru

  18. Present status of the Chimera-Isospin experiment

    International Nuclear Information System (INIS)

    Politi, G.; Arena, N.; Cardella, G.; DeFilippo, E.; Lanzano, G.; Nigro, S.L.; Pagano, A.; Papa, M.; Pirrone, S.; Russotto, P.; Alderighi, M.; Sechi, G.; Sperduto, M.L.; Amorini, F.; Anzalone, A.; Baran, V.; Bonasera, A.; Cavallaro, S.L.; Colonna, M.; Di Toro, M.; LaGuidara, E.; Lanzalone, G.; IaconoManno, M.; Giustolisi, F.; Maiolino, C.; Porto, F.; Rizzo, F.; Trifiro, A.; Trimarchi, M.; Auditore, L.; Barna, R.; DePasquale, D.; Berceanu, I.; Petrovici, M.; Pop, A.; Blicharska, J.; Grzeszczuk, A.; Kowalski, S.; Zipper, W.; Borderie, B.; LeNeindre, N.; Rivet, M.F.; Bougault, R.; Briczycnski, J.; Gawlikowicz, W.; Majka, Z.; Planeta, R.; Bruno, M.; D'Agostino, M.; Fuschini, E.; Geraci, E.; Vannini, G.; Chatterjee, M.B.; Chbihi, A.; Wieleczko, J.P.; Cibor, J.; Dayras, R.; Guazzoni, P.; Russo, S.; Sassi, M.; Zetta, L.; Guinet, D.; Li, S.; Wu, H.; Xiao, Z.; Nicolis, N.G.; Piasecki, E.; Swiderski, L.; Rosato, E.; Vigilante, M.; Wilczynski, J.; Siwek-Wilczynska, K.; Skwira, I.

    2003-01-01

    The CHIMERA detector was designed to significantly contribute to multifragmentation studies in the field of heavy ion collisions at intermediate energies. The device has been used at 'Laboratori Nazionali del Sud' (LNS) in Catania (Italy) to study different aspects of the relevant nuclear reaction mechanism, in two different campaigns: the first one in 2000, by using the forward part (1 - 30 degrees) of the device, and the second one in 2003, by using the 4π geometry. The experimental results have confirmed the capability of the apparatus for good isotopic identification of light charged particles and light fragments (3< Z<10) in a wide angular detection range. The data analysis relative to the first 2000 campaign (REVERSE) is presently aimed to disentangle dynamical and equilibrium emission components in multifragmentation reactions and to learn more about the role of the isospin degree of freedom in asymmetric nuclear matter. Reduction of the data of the second campaign is still in progress. (authors)

  19. Status of marine pollution research in South Africa (1960-present).

    Science.gov (United States)

    Wepener, V; Degger, N

    2012-07-01

    The published literature on marine pollution monitoring research in South Africa from 1960 to present was evaluated. There has been a general decline in the number of papers from the 1980s and this can be linked to the absence of a marine pollution monitoring programme in South Africa. General trends observed were that contaminant exposure monitoring of metals predominates the research conducted to date. Monitoring results indicate that there has been a general decrease in metal concentrations in South African coastal waters and concentrations of metals and most organics in mussels are lower than in other industrialised nations. This is reflected in the general pristine nature and high biodiversity of the South African coastline. The establishment of a national marine pollution monitoring framework would stimulate marine pollution research. Copyright © 2012 Elsevier Ltd. All rights reserved.

  20. Present Status of the JENDL Project (May, 2014)

    International Nuclear Information System (INIS)

    Iwamoto, Osamu; Yokoyama, Kenji

    2014-01-01

    The Japanese Nuclear Data Committee (JNDC) is a research committee for JAEA research activities. It has two subcommittees: Subcommittee on Nuclear Data and Subcommittee on Reactor Constants. The JENDL-4.0 Updated Files (JENDL-4.0u) have been produced to take care of errors which were found after the release of JENDL-4.0. The JENDL-4.0u includes the nuclides whose nuclear data partly revised from important and/or trivial error(s). Thirteen files for JENDL-4.0 were released in 2013. Benchmarking for fission reactor applications was done using test files of Gd-157 and Am-241, and an integral testing for Th-232 was done using KUCA critical experiments. The data which are not updated in JENDL-4.0 are continuously considered to be revised, especially for FP region nuclides. Evaluated results for 141,143 Pr, 121,123-126 Sb and 96,98-106 Ru were published. The R-matrix analysis for O-16 is in progress. For decommissioning of nuclear power plants, evaluation of activation cross sections was planned for 569 reactions with 309 nuclides and is in progress. Evaluated files for the 246 isotopes from H to Hf have been created. As the activity of High Energy Nuclear Data Evaluation WG, development of new JENDL Photonuclear Data File is in progress. Evaluation for 181 nuclides has been finished. A Symposium on Nuclear Data was held on 14-15 November 2013 at Research Institute of Nuclear Engineering, University of Fukui, Tsuruga-shi, with topics about Progress in neutron cross-section measurement and analysis, Application of Nuclear Data, Recent topics, and Progress in studies of high-energy nuclear reaction. A total of 37 papers including 23 poster presentations were presented

  1. Cyanobacterial hydrogenases and biohydrogen: present status and future potential

    International Nuclear Information System (INIS)

    Lindblad, P.; Tamagnini, P.

    2000-01-01

    Molecular hydrogen (H 2 ) is an environmentally clean energy-carrier that may be a valuable alternative to the limited fossil fuel resources of today. For photobiological H 2 production, photosynthetic cyanobacteria are among the ideal candidates since they have the simplest nutritional requirements: they can grow in air (N 2 and CO 2 ), water (electrons and reductant), and mineral salts with light (solar energy) as the only source of energy. In N 2 -fixing cyanobacteria, H 2 is mainly produced by nitrogenases, but its partial consumption is quickly catalyzed by a unidirectional uptake hydrogenase. In addition, a bidirectional (reversible) enzyme may also oxidize some of the molecular hydrogen. The same enzyme will, under certain conditions, evolve H 2 Filamentous cyanobacteria have been used in bioreactors for the photobiological conversion of water to hydrogen. However, the conversion efficiencies achieved are low because the net H 2 production is the result of H 2 evolution via a nitrogenase and H 2 consumption mainly via an uptake hydrogenase. Consequently, the improvements of the conversion efficiencies are achieved e.g. through the optimization of the conditions for H 2 evolution by nitrogenase, through the production of mutants deficient in H 2 uptake activity and by an increased H 2 -evolution by a bidirectional enzyme. Symbiotic cells are of fundamental interest since they in situ 'function as a bioreactor', High metabolism, transfer of metabolite(s) from symbiont to host but almost no growth. In the present communication we will present the general knowledge about hydrogen metabolism/hydrogenases in filamentous cyanobacteria focusing on recent advances using molecular techniques, outline strategies for improving the capacity of H 2 -production by filamentous strains, and stress the importance of international cooperations and networks. (author)

  2. The status of food irradiation technology

    International Nuclear Information System (INIS)

    Sivinski, J.S.

    1989-01-01

    Irradiation is a mature technology for many uses, such as medical product sterilization, crosslinking of plastics, application of coatings, stabilization of natural and synthetic rubbers prior to vulcanization, and in plant genetics. It also has many potential applications in the food and agriculture industries, especially in the postharvest activities associated with processing, storing, and distribution and in utilization and consumption. The safety of food irradiation has been thoroughly studied and established by distinguished scientists of international stature and unimpeachable credentials. Approximately 30 countries permit food irradiation and it is commercially used in 21. Parasites are of serious concern since their impact on human health and economic productivity is significant, especially in developing countries with sanitation and food control problems. Parasites in meat and fish can be rendered sterile or inactivated with irradiation, and the potential for improved human health is significant. The second area for immediate use of irradiation is in meeting plant quarantine requirements. The benefits described above and the approval of the scientific community are moving the technology toward greater utilization

  3. 1982 annual status report: thermonuclear fusion technology

    International Nuclear Information System (INIS)

    1982-01-01

    The objective of this programme is to study the technological problems related to ''Post Jet'' experimental machines and, in a longer range, to assess the engineering aspects of Fusion Power Reactor Plants. According to the decision taken by the Council of Ministers on the JRC multiannual programme (1980-1983), the work performed on 1982 concerns four projects, namely: The Project 1: ''Fusion Reactor Studies''concerns mainly the NET (Next European Torus) studies which have been continued in the framework of the European participation to INTOR (INternational TOkamak Reactor). This represents a collaborative effort to design a major fusion experiment beyond the-upcoming generation of large tokamaks. The Project 2: ''Blanket Technology'' has the aim to investigate the behaviour of blanket materials in fusion conditions. The Project 3: ''Materials Sorting and Development'' has the aim to assess the mechanical properties and radiation damage of standard and advanced materials suited for structures, in particular for application as first wall of the fusion reactors. The Project 4: ''Cyclotron Operation and Experiments''has the task to exploit a cyclotron to simulate radiation damages to materials in a fusion ambient

  4. The gas turbine: Present technology and future developments

    International Nuclear Information System (INIS)

    Minghetti, E.

    1997-03-01

    The gas turbine is the most widely used prime mover all over the world for either power generation or mechanical drive applications. The above fact is due to the recent great improvements that have been done especially in terms of efficiency, availability and reliability. The future for gas turbine technological development looks very promising. In fact, although tremendous growth has already taken place, there is still the potential for dramatic improvements in performance. Compared with the competitive prime movers (conventional steam power plants and reciprocating piston engines) the gas turbine technology is younger and still following a strong growth curve. The coming decades will witness the continued increasing in turbine inlet temperature, the development of new materials and refrigeration systems and the commercialization of inter cooled system and steam cooled turbines. With the very soon introduction of the G and H technology, expected single and combined cycle efficiencies for heavy duty machines are respectively 40% and 60%, while maintaining 'single digit' levels in pollutant emissions. In this report are given wide information on gas turbine present technology (Thermodynamics, features, design, performances, emission control, applications) and are discussed the main lines for the future developments. Finally are presented the research and technological development activities on gas turbine of Italian National Agency for new Technology Energy and the Environment Energy Department

  5. Present Status and Extensions of the Monte Carlo Performance Benchmark

    Science.gov (United States)

    Hoogenboom, J. Eduard; Petrovic, Bojan; Martin, William R.

    2014-06-01

    The NEA Monte Carlo Performance benchmark started in 2011 aiming to monitor over the years the abilities to perform a full-size Monte Carlo reactor core calculation with a detailed power production for each fuel pin with axial distribution. This paper gives an overview of the contributed results thus far. It shows that reaching a statistical accuracy of 1 % for most of the small fuel zones requires about 100 billion neutron histories. The efficiency of parallel execution of Monte Carlo codes on a large number of processor cores shows clear limitations for computer clusters with common type computer nodes. However, using true supercomputers the speedup of parallel calculations is increasing up to large numbers of processor cores. More experience is needed from calculations on true supercomputers using large numbers of processors in order to predict if the requested calculations can be done in a short time. As the specifications of the reactor geometry for this benchmark test are well suited for further investigations of full-core Monte Carlo calculations and a need is felt for testing other issues than its computational performance, proposals are presented for extending the benchmark to a suite of benchmark problems for evaluating fission source convergence for a system with a high dominance ratio, for coupling with thermal-hydraulics calculations to evaluate the use of different temperatures and coolant densities and to study the correctness and effectiveness of burnup calculations. Moreover, other contemporary proposals for a full-core calculation with realistic geometry and material composition will be discussed.

  6. Breast cancer screening in Japan. Present status and recent movement

    International Nuclear Information System (INIS)

    Endo, Tokiko

    2004-01-01

    As the incidence of breast cancer and deaths from breast cancer have been increasing, the Ministry of Public Welfare and Labor has been promoting breast cancer screening. Mammography screening began in fiscal year 2000 for those women 50 years of age or over, but attendance has not been increasing. This year (2004), the Ministry determined that mammography would be applicable to those 40 years of age or over and that screening with palpation alone would be abolished. To determine the effectiveness of the measures, mammography equipment, technologists, and readers were calculated. If the attendance were 50% of the 35,497 thousand women in this biennial screening, 40 persons would be examined by one apparatus per day, and, as there are 200 working days in a year, 1,109 apparatus would be needed. In the same way, if a technologist can examine 5,000 women, and a doctor can read 10,000 cases a year, both are apparently deficient in some prefectures. The standards of quality control for digital mammography have been determined by the Japan Radiological Society, and a ''step phantom for mammography'' has been developed. Qualitative evaluation of hard-copy clinical images has also started. All of the standards are presented in ''Mammography Guidelines, Second Edition,'' published by Igakushoin, Tokyo, Japan, 2004. (author)

  7. Present status and future possibilities of radioimmunoassay in animal production

    International Nuclear Information System (INIS)

    Karg, H.; Claus, R.; Hoffmann, B.; Schallenberger, E.; Schams, D.

    1976-01-01

    Radioimmunoassays and related isotope techniques have provided new possibilities in hormone analysis. Because of the new dimensions of sensitivity (nanogram and picogram range) it became possible to elucidate for many hormones their levels in peripheral blood plasma. Since some steps of the assay procedures could be automatized, and the evaluation computerized, the efficiency (for example, it is possible to run several thousand determinations weekly in one laboratory) can hardly be equalled by non-isotopic hormone analysis techniques. In animal husbandry the technique can be applied to mapping of physiological phenomena, diagnostic approaches in clinics, control of bio-techniques, residue studies of exogenous hormones, and attempts to use hormonal parameters as guide lines in connection with breeding programmes. The discovery that progesterone levels in milk reflect the corpus luteum function introduced far-reaching radioimmunoassay (RIA) application for fertility control under field conditions. With some other hormones, results of single determinations only allow limited interpretation because of different dynamics, for example releasing pattern, short-term (episodic, diurnal) and long-term (seasonal) variations and clearance properties. Furthermore, questions concerning the interactions between the actual plasma level of the hormone determined and the receptor sites in the target organ have to be solved. There are still gaps concerning the development of radioimmunoassays for important hormones. At present and in the foreseeable future of endocrinology in animal production, radioimmunoassays are indispensible. (author)

  8. China's spent fuel treatment: The present status and prospects

    International Nuclear Information System (INIS)

    Jiang Yunqing

    1999-01-01

    In the mid 1980s, China launched the development of nuclear power dominated by PWRs and opted for the closed fuel cycle strategy. On the basis of irradiated fuel reprocessing for defence purpose, an R and D programme for civil reprocessing has been implemented. Currently, China's spent fuel arising is limited but its amount will sharply increase with nuclear power expansion early next century. Spent fuel stored at reactor site for at least 5 years will be transported either by a combination of sea and rail or by road directly to the Lanzhou Nuclear Fuel Complex. A wet centralized storage facility with a 550 tHM capacity has been built for interim storage of spent fuel. Also, a multi-purpose reprocessing pilot plant with a maximum throughput of 400 kg HM/d is now under construction and will be put into commissioning by the turn of the century. A large-scale commercial reprocessing plant, perhaps with a capacity of 800 tHM/a, will be set up around 2020. Recovered uranium and plutonium from reprocessing will go to a demonstration plant and be manufactured into MOX fuel for FBR and PWR. The defence radwaste from reprocessing is at present being conditioned into the proper forms and will be disposed in appropriate repositories. All expertise and experience gained from these practices will be utilized in the future civil radwaste management. (author)

  9. Present status of standards relating to radiation control and protection

    International Nuclear Information System (INIS)

    Minami, Kentaro

    1996-01-01

    Japanese and international standards related to radiation control and radiation protective management are presented focusing on the forming condition, significance, current situation, and their relationship. Japanese Industrial Standards (JIS) is quite useful in the field of atomic energy as well as other fields in terms of optimization and rationalization of the management. JIS includes JIS Z 4001 Atomic Energy Terminology which corresponds to internationl standards ISO 921 Nuclear Glossary, and JIS Z 4005 Medical Radiation Terminology, covering about 500 articles, which corresponds to IEC 788 Medical Radiology-Terminology. The first standards regarding radiation protection was established in X-ray Film Badge, which is included in the field of personal dosimeter, in 1956. Currently, 36 JIS has been established in the field of radiation management dosimeter and 3 are under arrangement. As for radiation protective supplies, 9 JIS has been established so far. Before proposal of JIS, investigation had been conducted to improve, simplify, and standardize the standards of radiation dosimetric technique, dosimeters, dosimetric procedures, and improvement. In this article, the results of material surface contamination monitoring and body surface monitoring conducted in Atomic Energy Safety Association and Radiation Dosimetry Associationare reported, and ISO and IEC are also treated. (S.Y.)

  10. Present status of the Chimera-Isospin experiment

    Energy Technology Data Exchange (ETDEWEB)

    Politi, G.; Arena, N.; Cardella, G.; DeFilippo, E.; Lanzano, G.; Nigro, S.L.; Pagano, A.; Papa, M.; Pirrone, S.; Russotto, P. [Catania Univ., INFN (Italy); Alderighi, M.; Sechi, G.; Sperduto, M.L. [Milano Univ., INFN, CNR (Italy); Amorini, F.; Anzalone, A.; Baran, V.; Bonasera, A.; Cavallaro, S.L.; Colonna, M.; Di Toro, M.; LaGuidara, E.; Lanzalone, G.; IaconoManno, M.; Giustolisi, F.; Maiolino, C.; Porto, F.; Rizzo, F.; Trifiro, A.; Trimarchi, M. [Catania Univ., INFN, Lab. Nazionali del Sud (Italy); Auditore, L.; Barna, R.; DePasquale, D. [Messina Univ., INFN (Italy); Berceanu, I.; Petrovici, M.; Pop, A. [Inst. for Physics and Nuclear Engineering, Bucharest (Romania); Blicharska, J.; Grzeszczuk, A.; Kowalski, S.; Zipper, W. [Univ. of Silesia, Inst. of Physics, Katowice (Poland); Borderie, B.; LeNeindre, N.; Rivet, M.F. [Paris-11 Univ., IPN-IN2P3-CNRS, 91 - Orsay (France); Bougault, R. [Caen Univ., LPC-ISMRA (France); Briczycnski, J.; Gawlikowicz, W.; Majka, Z.; Planeta, R. [M. Smoluchowski Inst. of Physics, Jagellonian Univ., Cracow (Poland); Bruno, M.; D' Agostino, M.; Fuschini, E.; Geraci, E.; Vannini, G. [Bologna Univ., INFN (Italy); Chatterjee, M.B. [Saha Inst. of Nuclear Physics, NIS Div., Kolkata (India); Chbihi, A.; Wieleczko, J.P. [GANIL -CEA-IN2P3-CNRS, 14 - Caen (France); Cibor, J. [H.Niewodniczanski Inst. of Nuclear Physics, Cracow (Poland); Dayras, R. [CEA Saclay, Dept. d' Astrophysique, de Physique des Particules, de Physique Nucleaire et de l' Instrumentation Associee, SPhN, 91- Gif sur Yvette (France); Guazzoni, P.; Russo, S.; Sassi, M.; Zetta, L. [Milano Univ., INFN (Italy); Guinet, D. [Univ. Claude Bernard, IPN-IN2P3-CNRS, 69 - Lyon (France); Li, S.; Wu, H.; Xiao, Z. [Inst. of Modern Physics, Lanzhou (China); Nicolis, N.G. [Ioannina Univ., Dept. of Physics (Greece); Piasecki, E.; Swiderski, L.; Siwek-Wilczynska, K.; Skwira, I. [Warsaw Univ., Inst. for Experimental Physics (Poland); Rosato, E.; Vigilante, M.; Wilczynski, J.

    2003-07-01

    The CHIMERA detector was designed to significantly contribute to multifragmentation studies in the field of heavy ion collisions at intermediate energies. The device has been used at 'Laboratori Nazionali del Sud' (LNS) in Catania (Italy) to study different aspects of the relevant nuclear reaction mechanism, in two different campaigns: the first one in 2000, by using the forward part (1 - 30 degrees) of the device, and the second one in 2003, by using the 4{pi} geometry. The experimental results have confirmed the capability of the apparatus for good isotopic identification of light charged particles and light fragments (3presently aimed to disentangle dynamical and equilibrium emission components in multifragmentation reactions and to learn more about the role of the isospin degree of freedom in asymmetric nuclear matter. Reduction of the data of the second campaign is still in progress. (authors)

  11. History and present status of field application of radiotracers, (2)

    International Nuclear Information System (INIS)

    Koyama, Takeo; Shimizu, Makoto.

    1988-01-01

    In the field of agriculture, radiotracers were first used in 1957 in studies for improvement in fertilizing techniques. Techniques were established for accurate measurement of extremely low radioactivity in crops and for the separate determination of the phosphorus in crops of the fertilizer origin and soil origin. Then, RI or stable isotope tracing test methods were developed using 32 P or 15 N to determine the flow and absorption of fertilizers. Other techniques using radiotracers developed in this period served for the construction of maps of the root activity of crops, investigation of the effects of different fertilizers in farms where double-cropping was practised, identification of suitable fertilizers for orange cultivation, development of new fertilizing techniques for Japanese persimmon cultivation, etc. Practically, no field use of radiotracers has been found since 1970. At present, it is prohibited and replaced by other techniques using stable isotopes, etc. In the field fishery, radiotracers have been used for studies of various dynamic phenomena including the flow of water and deposits in the sea, behaviors of fish, food, chain, circulation of chemical substances in the ecological system, etc. (Nogami, K.)

  12. Present status and future perspective of development of atomic energy

    International Nuclear Information System (INIS)

    Takuma, Masao

    1990-01-01

    The last year was the 50th year from the discovery of the nuclear fission of uranium in 1939. The utilization of atomic energy made the unfortunate start as atomic bombs, but after the 'Atoms for Peace' declaration of President Eisenhauer, it has become to contribute to the development of mankind as nuclear power generation and radiation utilization. In Japan, the Atomic Energy Act was instituted in 1955, and the utilization of atomic energy has been eagerly promoted. As to nuclear power generation, as of the end of June, 1989, 423 power plants were in operation in the world, which generated 333 million kW, equivalent to 17 % of the total generated electric power. The nuclear power plants under construction and at planning stage were 199 with 190 million kW capacity, in this way, the development is advanced actively. At present in Japan, 38 nuclear power plants are in operation, generating 29.46 million kW, which has reached 30 % of the total generated electric power. The social environment surrounding atomic energy and the basic way of thinking on atomic energy development are discussed. The demand and supply of electric power in 21st century and atomic energy, and the policy of electric power companies to cope with it are explained. (K.I.)

  13. Present status of low-Z coating development in JAERI

    International Nuclear Information System (INIS)

    Nakamura, K.; Abe, T.; Obara, K.; Murakami, Y.

    1986-01-01

    In the JT-60 at JAERI, TiC-coated molybdenum and TiC-coated Inconel tiles are currently used as plasma interactive components. They have already been subjected to initial ohmic heating experiments and exhibited good adhesion characteristics under high heat flux conditions. The present article reviews a JAERI's coating development program for JT-60 experiments currently under way and for the next-step experiments. The program includes development and performance tests of the TiC-coated tiles, development of an in-situ coating technique for the repair of damaged surface of the tiles, and research on carbonization. Stress is laid on thermal shock and thermal fatigue tests of these coatings. In the thermal tests, adhesion between low-Z coatings and bulk materials have been investigated under high heat irradiation. TiC and TiN are used as coating material while Mo and Inconel 625 are employed as bulk material. Results are shown in this report concerning calculated temperature elavation of TiC/TiN/Mo due to hydrogen beam irradiation. As regards the irradiation time required for the melting of the substrate, experimental results mostly agree with calculations. Almost all coatings investigated are not exfoliated from the substrate until the melting of the substrate. (Nogami, K.)

  14. Present status of nuclear power safety studies in JAERI

    International Nuclear Information System (INIS)

    1989-01-01

    Japan Atomic Energy Research Institute carries out the safety research required for ensuring safety accompanying the development and utilization of atomic energy, dividing the roles with industrial circules, universities and other public research institutes. First, it carries out the research based on the yearly program of safety research, in which the subjects of safety research that the state should execute are decided. Next, it carries out a series of the safety verification test on atomic energy facilities entrusted by the state using the special account for power source development promotion countermeasures. Besides, it carries out the safety research on the specific subjects entrusted by outside organizations. The object and range of atomic energy safety at present are roughly divided into four fields, that is, nuclear power stations, nuclear fuel facilities, waste treatment and disposal, and environmental radioactivity. In order to advance the research effectively, in addition to the generalization department and the execution department, various committees are organized. In 1988, about 260 persons engaged in these four research fields, and the budget for fiscal year 1988 was about 17.4 billion yen. (K.I.)

  15. Present status of operation of the ETE spherical tokamak

    International Nuclear Information System (INIS)

    Bosco, E. del; Berni, L.A.; Ferreira, J.G.; Oliveira, R.M.; Ludwig, G.O.; Shibata, C.S.

    2005-01-01

    The ETE is a spherical tokamak with aspect ratio A = 1.5 (major radius of 0.3m and minor radius of 0.2m) under development at LAP/INPE. The ETE incorporates some innovative features that resulted in a compact and light weighted device with good plasma accessibility. Since the first plasma obtained at the very end of 2000 (Ip = 12kA, duration of 2ms, B o = 0.1T), the machine is operational and improvements are being done in order to achieve the planned final parameter values for the first phase of operation (Ip = 220kA, duration 15ms, B o = 0.4T), which are limited by the available capacitors. The efforts are being focused on incrementing the energy of the capacitor banks, lessening the stray magnetic fields in the plasma region, conditioning the vacuum vessel wall, implementing diagnostics and optimizing the discharge parameters. Presently, plasma currents in the range of 40-60kA (duration of 6-12 ms) are routinely obtained. Electron temperatures up to 160eV and plasma densities up to 3.0x10 19 m -3 are being reached. (author)

  16. Agriculturally important microbial biofilms: Present status and future prospects.

    Science.gov (United States)

    Velmourougane, Kulandaivelu; Prasanna, Radha; Saxena, Anil Kumar

    2017-07-01

    Microbial biofilms are a fascinating subject, due to their significant roles in the environment, industry, and health. Advances in biochemical and molecular techniques have helped in enhancing our understanding of biofilm structure and development. In the past, research on biofilms primarily focussed on health and industrial sectors; however, lately, biofilms in agriculture are gaining attention due to their immense potential in crop production, protection, and improvement. Biofilms play an important role in colonization of surfaces - soil, roots, or shoots of plants and enable proliferation in the desired niche, besides enhancing soil fertility. Although reports are available on microbial biofilms in general; scanty information is published on biofilm formation by agriculturally important microorganisms (bacteria, fungi, bacterial-fungal) and their interactions in the ecosystem. Better understanding of agriculturally important bacterial-fungal communities and their interactions can have several implications on climate change, soil quality, plant nutrition, plant protection, bioremediation, etc. Understanding the factors and genes involved in biofilm formation will help to develop more effective strategies for sustainable and environment-friendly agriculture. The present review brings together fundamental aspects of biofilms, in relation to their formation, regulatory mechanisms, genes involved, and their application in different fields, with special emphasis on agriculturally important microbial biofilms. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

  17. Present exploration status of the Lianshanguan uranium deposit, Northeast China

    International Nuclear Information System (INIS)

    Fei, Q.; Shaokang, H.

    1980-01-01

    During recent years surface radiometry has revealed a series of anomalies and uranium occurrences in the Lianshanguan region of Northeast China which are present in Proterozoic Formations. Several significant uranium occurrences were tested by trenching and core drilling which resulted in the discovery of the Lianshanguan uranium deposit in 1978. The ore bodies of economic significance are located at a depth of 38-250m. Potential reserves are 1000 tons of U 3 O 8 . The geological setting of the Lower Proterozoic Lianshanguan uranium deposit has a certain similarity to the Alligator Rivers Region, Northern Territory, Australia. However, the Lianshanguan deposit occurs in detrital formations (in the lower part of the Lower Proterozoic sequence), adjacent to a migmatitic zone; it is overlain by carbonate argillitic rocks. The discovery of the Lianshanguan deposit indicates a potential for further uranium discoveries in northeast China, where Proterozoic sequences are well developed. The Lianshanguan uranium deposit is located approximately 100km south of Shenyang at 40 0 59'N and 123 0 30'E

  18. The IFVE accelerating-storage complex (Present status)

    International Nuclear Information System (INIS)

    Balbekov, V.I.; Dmitrevski, Yu.P.; Kurnaev, O.V.

    1979-01-01

    A description of an accelerating-storage complex and the results of the development of its preliminary design are given. The first stage of the complex is a proton synchrotron with a standard electromagnet intended for storage and preliminary acceleration of protons to 400 GeV. Acceleration to 3 TeV will be provided by the second stage which is assumed to employ a superconducting magnet with 5 T. The existing 70 GeV synchrotron will be used as an injector. The magnetic structures of the first and second stages are identical. They include 180 FODO-type periods. Every period contains 12 dipoles and 2 quadrupole lenses. The accelerating devices should provide a total voltage amplitude of 12 MV or the superconducting ring. Three extraction modes are envisaged: a singleturn mode, a slow resonance extraction (during 30 s), and a fast resonance extraction of ten 1 ms pulses at 3 s intervals (6x10 13 protons per pulse). At present the preparation for testing 1 m long superconducting dipoles, HF systems, input and output devices is being completed. Measures aimed at suppressing the space charge effect are described. A possibility is investigated of obtaining 6 TeV by realizing proton-antiproton colliding beams in the complex by using the electron cooling method

  19. Present status of radiation application on irradiation service

    International Nuclear Information System (INIS)

    Watanabe, Hiroshi

    2006-01-01

    Presently, it is in operation 6 gamma-ray facilities and 5 electron beam (EB) facilities for an irradiation service. New gamma-ray facility is under construction, and will be worked in August this year. These facilities are generally employed for crosslinking and decomposition of polymers, graft polymerization, improvement of semiconductor properties, sterilization of medical devices, laboratory-animals feed, packing materials and biotechnological devices. As for being feature one of EB facilities is employed only for improvement of polymers and semiconductors. Approximately 91% of gamma-ray sterilization of medical devices is processed in house, and 5 facilities are working in 4 firms. Other two firms have 4 EB facilities for sterilization. Therefore, the degree of dependence of irradiation service is low in the sterilization of medical devices. About 50% of medical devices are still sterilized by ethylene oxide gas (EOG). However, a part of laws has been amended successively from 5 years ago, and the regulation of EOG handling became harsh. Therefore, EOG sterilization will be gradually displaced in radiation sterilization. On the other hand, demand for sterilization of the packing materials has increased significantly, and various kinds of packing materials in food industry are sterilized by both gamma-rays and EB. Currently, novel PMMA dosimeter was developed and named Radix W. The dosimeter allows measurement of doses from 1 kGy to 150 kGy without influence of dose rates and irradiation temperature. The activities of irradiation service probably will continue to increase over future. (author)

  20. Food preservation by ionizing radiation in Nigeria. Present and future status

    International Nuclear Information System (INIS)

    Olorunda, A.O.; Aboaba, F.O.

    1978-01-01

    Research into the use of ionizing radiation in food preservation in Nigeria is still in its very infancy and most of the work done to date is at the exploratory stage. Such work has, however, demonstrated the potential of ionizing radiation in prolonging the shelf-life of yams and, possibly, onions. The paper reviews the present status of the use of radiation food preservation in Nigeria. The present research programme of the Faculty of Technology, University of Ibadan, which includes a wider application of ionizing radiation to fruit and vegetable preservation and grain storage, is also highlighted. The primary objectives of this programme are to establish the wholesomeness of the irradiated foods and the economics of the process. (author)

  1. Present status and extensions of the Monte Carlo performance benchmark

    International Nuclear Information System (INIS)

    Hoogenboom, J.E.; Petrovic, B.; Martin, W.R.

    2013-01-01

    The NEA Monte Carlo Performance benchmark started in 2011 aiming to monitor over the years the abilities to perform a full-size Monte Carlo reactor core calculation with a detailed power production for each fuel pin with axial distribution. This paper gives an overview of the contributed results thus far. It shows that reaching a statistical accuracy of 1 % for most of the small fuel zones requires about 100 billion neutron histories. The efficiency of parallel execution of Monte Carlo codes on a large number of processor cores shows clear limitations for computer clusters with common type computer nodes. However, using true supercomputers the speedup of parallel calculations is increasing up to large numbers of processor cores. More experience is needed from calculations on true supercomputers using large numbers of processors in order to predict if the requested calculations can be done in a short time. As the specifications of the reactor geometry for this benchmark test are well suited for further investigations of full-core Monte Carlo calculations and a need is felt for testing other issues than its computational performance, proposals are presented for extending the benchmark to a suite of benchmark problems for evaluating fission source convergence for a system with a high dominance ratio, for coupling with thermal-hydraulics calculations to evaluate the use of different temperatures and coolant densities and to study the correctness and effectiveness of burnup calculations. Moreover, other contemporary proposals for a full-core calculation with realistic geometry and material composition will be discussed. (authors)

  2. Radwaste disposal strategy in Bangladesh: Present status and future trends

    International Nuclear Information System (INIS)

    Jalil, A.; Rabbani, G.

    2002-01-01

    Significant amounts of radioactive solid liquid and mixed wastes are generated in Bangladesh from peaceful uses of atomic energy including disused sealed sources and spent fuel from the research reactor and other hot laboratories in the country. At present these wastes are being collected, segregated, labeled and stored in an interim safe storage. A Central Waste Processing and Storage Facility (CWPSF) is fast nearing completion in the Atomic Energy Research Establishment (AERE), Savar campus where the TRIGA Research Reactor, Isotope Production Laboratory, 14 MeV Neutron Generator, 37 x 10 2 TBq commercial irradiator and other hot facilities are situated. A national strategy exists for the management and disposal of various types of radioactive wastes. Gaseous and liquid wastes are discharged in the environment in a controlled manner following delay decay procedure. Short-lived low and intermediate level wastes (SL-LILW) and disused/spent sealed radioactive sources are being stored in an interim storage before storage in the CWPSF following short treatment and conditioning. As regards their disposal, the currently preferred option is engineered near surface repository. Site investigation work has progressed far enough toward the goal of establishing a demonstration repository at AERE, Savar by the year 2010. For small amount of long-lived highly active problem wastes including spent radium needles and disused radioactive sources, the safe management option is a long-term storage in the CWPSF after conditioning and treatment. But this is not considered as a sustainable solution. The real emphasis is placed on the development of inexpensive disposal methods and availing regional/international repositories. (author)

  3. Virtual Reality in Presentation of the Underground Mine Technological Process

    Directory of Open Access Journals (Sweden)

    Kodym Oldøich

    2003-09-01

    Full Text Available Virtual Reality in Presentation of the Underground Mine Technological Process focuses on methods of presentation of an underground mine technologies in intranet technology. It shows usage of platform independent VRML client for presentation of static and dynamic information about technological process. Bi-directional interactions between client and process information database are solved.Based on analysis of technological process of underground mine a database structure was designed. It is skeleton for storing all information about any underground mine. This skeleton can be modified in any direction. Data in this "static model" of underground mine can be applied for visualization in VRML environment. In this way it is possible to simplify and unify a user's front-end for all kinds of tasks.All designed scenes can be interactively displayed in full view or in any detail view, so that a user is able to recognize every important part of installed equipment, its stage, technical parameters and other information. If manufacturers of mining equipment will supply VRML model of their real products everybody would be able to place it into VRML scene and learn everything about it.This work explores and tries to enlighten some of the areas and available approaches compliant with VRML 97 specification of modifying static scene by its browser. Concepts of animation pipeline, inside and outside scripting in scene displayed and authoring of VRML targeted geometry are discussed including database connectivity.

  4. Status of SOFCo SOFC technology development

    Energy Technology Data Exchange (ETDEWEB)

    Privette, R.; Perna, M.A.; Kneidel, K. [SOFCo, Alliance, OH (United States)] [and others

    1996-12-31

    SOFCo, a Babcock & Wilcox/Ceramatec Research & Development Limited Partnership, is a collaborative research and development venture to develop technologies related to planar, solid-oxide fuel cells (SOFCs). SOFCo has successfully demonstrated a kW-class, solid-oxide fuel cell module operating on pipeline natural gas. The SOFC system design integrates the air preheater and the fuel processor with the fuel cell stacks into a compact test unit; this is the platform for multi-kW modules. The cells, made of tape-cast zirconia electrolyte and conventional electrode materials, exhibit excel lent stability in single-cell tests approaching 40,000 hours of operation. Stack tests using 10-cm and 15-cm cells with ceramic interconnects also show good performance and stability in tests for many thousands of hours.

  5. 1981 Annual Status Report: thermonuclear fusion technology

    International Nuclear Information System (INIS)

    1982-01-01

    The work perfomed on 1981 concerns four projects, namely: - The project 1: ''Reactor Studies''. During 1981 this activity was made in support to the European participation to the INTOR (INternational TOkamak Reactor) studies. This represents a collaborative effort among Europe, Japan; USA and USSR, under the auspices of IAEA, to design a major fusion experiment beyond the upcoming generation of large tokamaks. - The Project 2: ''Blanket Technology'' has the aim to investigate the behaviour of blanket materials in fusion conditions. - The Project 3: ''Materials Sorting and Development'' has the aim to assess the mechanical properties and radiation damage of standard and advanced materials suited for structures, in particular for application as first wall of the fusion reactors. - The Project 4: ''Cyclotron Operation and Experiments'' has the task to exploit a cyclotron to simulate radiation damages to materials in a fusion ambient

  6. Country report present status and need of human resource development in nuclear field in Vietnam

    International Nuclear Information System (INIS)

    Ngo Qui Viet; Vu Dang Ninh

    2000-01-01

    Vietnam Atomic Energy Commission (VAEC) was officially established in 1976, and is a national research and development organization in the field of nuclear science and technology for peaceful purposes in Vietnam. Under the VAEC, there are three institutes and one center. Status of main facilities, such as TRIGA MARK II, neutron generator, electron accelerator MT-17, and irradiation facilities are outlined in the paper. At present, the VAEC has a total staff of about 540 persons. The number of staff appears adequate to fulfill the present task on application of isotopes and nuclear techniques. When Vietnam decides to develop nuclear power program, the demand for human resources will be significantly high. During the last five years, Vietnam has been developing and implementing a national regulatory program on Radiation Protection and Nuclear Safety. The Ministry of Science, Technology and Environment (MOSTE) have established independent Vietnam Radiation Protection and Nuclear Safety Authority (VRPA) in 1994. If the Vietnamese Government approves the proposed nuclear power program, human resources training should be a key point for all research and development directions at all revel of personnel. When looking back in the history of formation and development of nuclear science and technology in Vietnam, the international cooperation has played an extremely important role in promoting the program. The exchange of information and direct participation in concrete cooperation activities under the framework of the Forum are expected. (Tanaka, Y.)

  7. Country report present status and need of human resource development in nuclear field in Vietnam

    Energy Technology Data Exchange (ETDEWEB)

    Ngo Qui Viet [Department of Organization and Scientific Human Resource Development, The Ministry of Science, Technology and Environment, Hanoi (Viet Nam); Vu Dang Ninh [Department of Administration and Personnel, The Vietnam Atomic Energy Commission, Hanoi (Viet Nam)

    2000-12-01

    Vietnam Atomic Energy Commission (VAEC) was officially established in 1976, and is a national research and development organization in the field of nuclear science and technology for peaceful purposes in Vietnam. Under the VAEC, there are three institutes and one center. Status of main facilities, such as TRIGA MARK II, neutron generator, electron accelerator MT-17, and irradiation facilities are outlined in the paper. At present, the VAEC has a total staff of about 540 persons. The number of staff appears adequate to fulfill the present task on application of isotopes and nuclear techniques. When Vietnam decides to develop nuclear power program, the demand for human resources will be significantly high. During the last five years, Vietnam has been developing and implementing a national regulatory program on Radiation Protection and Nuclear Safety. The Ministry of Science, Technology and Environment (MOSTE) have established independent Vietnam Radiation Protection and Nuclear Safety Authority (VRPA) in 1994. If the Vietnamese Government approves the proposed nuclear power program, human resources training should be a key point for all research and development directions at all revel of personnel. When looking back in the history of formation and development of nuclear science and technology in Vietnam, the international cooperation has played an extremely important role in promoting the program. The exchange of information and direct participation in concrete cooperation activities under the framework of the Forum are expected. (Tanaka, Y.)

  8. Cellulosic ethanol. Potential, technology and development status

    Energy Technology Data Exchange (ETDEWEB)

    Rarbach, M. [Sued-Chemie AG, Muenchen (Germany)

    2012-07-01

    In times of rising oil prices and a growing energy demand, sustainable alternative energy sources are needed. Cellulosic ethanol is a sustainable biofuel, made from lignocellulosic feedstock such as agricultural residues (corn stover, cereal straw, bagasse) or dedicated energy crops. Its production is almost carbon neutral, doesn't compete with food or feed production and induces no land use changes. It constitutes a new energy source using an already existing renewable feedstock without needing any further production capacity and can thus play a major role on the way to more sustainability in transport and the chemical industry and reducing the dependence on the import of fossil resources. The potential for cellulosic ethanol is huge: In the US, the annual production of agricultural residues (cereal straw and corn stover) reached almost 384 million tons in 2009 and Brazil alone produced more than 670 million tons of sugar cane in 2009 yielding more than 100 million tons of bagasse (dry basis). And alone in the European Union, almost 300 million tons of crop straw are produced annually. The last years have seen success in the development and deployment in the field of cellulosic ethanol production. The main challenge thereby remains to demonstrate that the technology is economically feasible for the up-scaling to industrial scale. Clariant has developed the sunliquid {sup registered} process, a proprietary cellulosic ethanol technology that reaches highest greenhouse gas (GHG) emission savings while cutting production costs to a minimum. The sunliquid {sup registered} process for cellulosic ethanol matches the ambitious targets for economically and ecologically sustainable production and greenhouse gas reduction. It was developed using an integrated design concept. Highly optimized, feedstock and process specific biocatalysts and microorganisms ensure a highly efficient process with improved yields and feedstock-driven production costs. Integrated, on

  9. 1980 Annual status report: thermonuclear fusion technology

    International Nuclear Information System (INIS)

    1981-01-01

    According to the decisions taken by the Council of Ministers on the JRC multiannual programme (1980-83), the 1980 activity has been oriented toward four projects which cover a broad range of fields, namely: - the Project 1: 'Reactor Studies'. The main effort was oriented toward the NET/INTOR studies. JRC Ispra is acting as reference nucleus for NET preliminary design. For the moment being this work was made in support to the European participation to INTOR. In 1980 the conceptual design of a demonstration power reactor (FINTOR-D) was also achieved. - The Project 2: 'Blanket Technology' has the aim to investigate structural materials behaviour in fusion conditions. Items like tritium outgassing and permeation from structurals an materials compatibility were investigated. - The Projet 3: 'Material sorting and development'. Its aim is to assess mechanical properties and radiation damage of standard and advanced materials suited for reactor structures. - The Projet 4: 'Cyclotron construction and operation' has the task to install and exploit a cyclotron to simulate demages to materials in a fusion ambient

  10. Recent results on polarizations and the present status of the Fermilab polarized beams

    International Nuclear Information System (INIS)

    Yokosawa, Akihiko.

    1986-01-01

    Experimental results are reviewed on polarization phenomena in nucleon-nucleon scattering at intermediate energies. The present status of S = 0 dibaryon resonances is presented. The status of the Fermilab polarized beam program is presented, including the construction of polarized beam, two polarimeters being installed in the experimental hall, and the experimental program

  11. Rare presentation of a common disease: Idiopathic hypoparathyroidism presenting with extrapyramidal symptoms and status epilepticus

    Directory of Open Access Journals (Sweden)

    Kaushik Ghosh

    2012-01-01

    Full Text Available We report of an 18-year-old male who presented with an epileptiform disorder, features of hypocalcemia, and an extrapyramidal symptom in the form of choreoathetosis. On evaluation he had idiopathic hypoparathyroidism with extensive calcifications in the extrapyramidal system of the brain; basal ganglion, as well as in the cerebral cortex and cerebellum, which is a rare entity. We report the rare presentation of a common disorder, which requires to be considered in evaluating hypoparathyroidism.

  12. Status and outlook of CFD technology at Mitsubishi Heavy Industries, Nagoya

    Science.gov (United States)

    Tanioka, Tadayuki

    1990-09-01

    Computational Fluid Dynamics (CFD) technology has made tremendous progress in the last several years. It has matured to become a practical simulation tool in aircraft industries. In MHI, CFD has become an indispensible tool for aerodynamic design aerospace vehicles. The present status is described of this advanced technology at MHI. Also mentioned are some future advances of the fast growing technology as well as associated hardware requirements.

  13. Update on status of fluidized-bed combustion technology

    International Nuclear Information System (INIS)

    Stallings, J.; Boyd, T.; Brown, R.

    1992-01-01

    During the 1980s, fluidized-bed combustion technology has become the dominant technology for solid-fuel-fired power generation systems in the United States. Atmospheric fluidized beds as large as 160 MWe in capacity are now in operation, while pressurized systems reaching 80 MWe have started up in the last year. The commercial status, boiler performance, emissions, and future developments for both atmospheric and pressurized fluidized-bed combustion systems are discussed

  14. Clinical presentation and visual status of retinitis pigmentosa patients: a multicenter study in southwestern Nigeria

    Directory of Open Access Journals (Sweden)

    Onakpoya OH

    2016-08-01

    Full Text Available Oluwatoyin Helen Onakpoya,1 Caroline Olufunlayo Adeoti,2 Tunji Sunday Oluleye,3 Iyiade Adeseye Ajayi,4 Timothy Majengbasan,4,5 Olayemi Kolawole Olorundare1 1Department of Ophthalmology, Obafemi Awolowo University Teaching Hospital, Ile-Ife, 2Department of Ophthalmology, Ladoke Akintola University of Technology Teaching Hospital, Osogbo, 3Department of Ophthalmology, University College Hospital, Ibadan, 4Department of Ophthalmology, University Teaching Hospital, Ado-Ekiti, 5Department of Ophthalmology, Federal Medical Centre, Ido-Ekiti, Nigeria Background: To review the visual status and clinical presentation of patients with retinitis pigmentosa (RP.Methodology: Multicenter, retrospective, and analytical review was conducted of the visual status and clinical characteristics of patients with RP at first presentation from January 2007 to December 2011. Main outcome measure was the World Health Organization’s visual status classification in relation to sex and age at presentation. Data analysis by SPSS (version 15 and statistical significance was assumed at P<0.05.Results: One hundred and ninety-two eyes of 96 patients with mean age of 39.08±18.5 years and mode of 25 years constituted the study population; 55 (57.3% were males and 41 (42.7% females. Loss of vision 67 (69.8% and night blindness 56 (58.3% were the leading symptoms. Twenty-one (21.9% patients had a positive family history, with RP present in their siblings 15 (71.4%, grandparents 11 (52.3%, and parents 4 (19.4%. Forty (41.7% were blind at presentation and 23 (24% were visually impaired. Blindness in six (15% patients was secondary to glaucoma. Retinal vascular narrowing and retinal pigmentary changes of varying severity were present in all patients. Thirty-five (36.5% had maculopathy, 36 (37.5% refractive error, 19 (20% lenticular opacities, and eleven (11.5% had glaucoma. RP was typical in 85 patients (88.5%. Older patients had higher rates of blindness at presentation (P=0

  15. The Mirror Fusion Test Facility cryogenic system: Performance, management approach, and present equipment status

    International Nuclear Information System (INIS)

    Slack, D.S.; Chronis, W.C.

    1987-01-01

    The cryogenic system for the Mirror Fusion Test Facility (MFTF) is a 14-kW, 4.35-K helium refrigeration system that proved to be highly successful and cost-effective. All operating objectives were met, while remaining within a few percent of initial cost and schedule plans. The management approach used in MFTF allowed decisions to be made quickly and effectively, and it helped keep costs down. Manpower levels, extent and type of industrial participation, key aspects of subcontractor specifications, and subcontractor interactions are reviewed, as well as highlights of the system tests, operation, and present equipment status. Organizations planning large, high-technology systems may benefit from this experience with the MFTF cryogenic system

  16. Status of MCFC stack technology at IHI

    Energy Technology Data Exchange (ETDEWEB)

    Hosaka, M.; Morita, T.; Matsuyama, T.; Otsubo, M. [Ishikawajima-Harima Heavy Industries Co., Ltd., Tokyo (Japan)

    1996-12-31

    The molten carbonate fuel cell (MCFC) is a promising option for highly efficient power generation possible to enlarge. IHI has been studying parallel flow MCFC stacks with internal manifolds that have a large electrode area of 1m{sup 2}. IHI will make two 250 kW stacks for MW plant, and has begun to make cell components for the plant. To improve the stability of stack, soft corrugated plate used in the separator has been developed, and a way of gathering current from stacks has been studied. The DC output potential of the plant being very high, the design of electric insulation will be very important. A 20 kW short stack test was conducted in 1995 FY to certificate some of the improvements and components of the MW plant. These activities are presented below.

  17. Present status of reactor physics in the United States and Japan-II. 6. Present Status of GNF New Nodal Simulator

    International Nuclear Information System (INIS)

    Iwamoto, T.; Tamitani, M.; Moore, B.

    2001-01-01

    This paper presents core simulator consolidation work done at Global Nuclear Fuel (GNF). The unified simulator needs to supersede the capabilities of past simulator packages from the original GNF partners: GE (Ref. 1), Hitachi (Ref. 2), and Toshiba (Ref. 3). At the same time, an effort is being made to produce a simulation package that will be a state-of-the-art analysis tool when released, in terms of the physics solution methodology and functionality. The core simulator will be capable and qualified for (a) high-energy cycles in the U.S. markets, (b) mixed-oxide (MOX) introduction in Japan, and (c) high-power density plants in Europe, etc. The unification of the lattice physics code is also in progress based on a transport model with collision probability methods. The AETNA core simulator is built upon the PANAC11 software base. The goal is to essentially replace the 1.5-energy group model with a higher-order multigroup nonlinear nodal solution capable of the required modeling fidelity, while keeping highly automated library generation as well as functionality. All required interfaces to PANAC11 will be preserved, which minimizes the impact on users and process automation. Preliminary results show statistical accuracy improvement over the 1.5- group model. The status of the GNF new nodal simulator is presented. It is built on a highly automated software base by combining the best technologies of GE, Hitachi, and Toshiba and will provide a BWR core analysis tool with high functionality and fidelity. (authors)

  18. Status of biomass fuels technologies research in the US

    Energy Technology Data Exchange (ETDEWEB)

    Koontz, R.P.; Parker, S.; Glenn, B.

    1984-07-01

    Biomass is a tremendous potential source of fuel and chemical feedstocks. The US Department of Energy has sponsored a broad spectrum of research on biomass at various US government laboratories, private installations, and universities. The status of biomass fuels technologies research in the US is discussed.

  19. History, Status and Prospects on Development of Pyroprocess Technology

    International Nuclear Information System (INIS)

    Kim, Eung Ho; Lee, Han Soo; Park, Geunil; Seo, Chungseok; Ko, Wonil; Kim, Hodong; Choi, Jongwon

    2013-01-01

    The objective of this study is to evaluate prospects for a practical use of pyroprocess through analysis of current issues and status of pyroprocess technology development being performed at domestic and abroad. Following Fukushima accident, awareness about nuclear safety is further increasing and problems on safe management of used nuclear fuel has emerged as well. So, nuclear industrialized countries are developing recycling technology of used nuclear fuel, significantly reducing used fuel inventory that have cumulated. In this respects, there is a need to comprehensively summarize the technology developed at KAERI until now. In addition to, the current issues of pyroprocess for future R and D are suggested

  20. Presentations of the PTAC driving safety technology forum

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2005-07-01

    Issues concerning road safety and driver training in relation to the petroleum industry were the focus of this conference. The results of a driving safety survey from the Petroleum Technology Alliance Canada were presented. High risk driver identification methods were discussed along with coaching case studies, including details of continuous and advanced driver training by various industry members. Road hazard analysis was discussed as an effective means of reducing vehicular incidents. The dangers posed by cell phones were reviewed, as well as issues concerning motor vehicle event data recorders and personal privacy. The safety aspects of global positioning system (GPS) enabled fleet management systems were evaluated. Tactical plans for Alberta's traffic collision fatality and injury reduction strategy were examined. An overview of the Schlumberger Canada Driving Program was presented. The systems and processes used within Halliburton Canada to reinforce safe driving behaviors were reviewed. Real time personnel monitoring was discussed, as well as various asset management technologies. It was suggested that new communications technologies for mobile resource management can improve oilfield fleet safety and productivity. The forum featured 12 presentations, of which 8 have been catalogued separately for inclusion in this database.

  1. Present status on atomic and molecular data relevant to fusion plasma diagnostics and modeling

    International Nuclear Information System (INIS)

    Tawara, H.

    1997-01-01

    This issue is the collection of the paper presented status on atomic and molecular data relevant to fusion plasma diagnostics and modeling. The 10 of the presented papers are indexed individually. (J.P.N.)

  2. [Current status and potential perspectives in classical radiotherapy technology].

    Science.gov (United States)

    Dabić-Stanković, Kata M; Stanković, Jovan B; Radosević-Jelić, Ljiljana M

    2004-01-01

    After purchase of radiotherapy equipment in 2003, classic radiation therapy in Serbia will reach the highest world level. In order to define the highest standards in radiation technology, we analyzed the current status and potential perspectives of radiation therapy. An analysis of present situation in the USA, assumed as the most developed in the world, was done. Available data, collected in the last 3 years (equipment assortment, therapy modalities, workload and manpower) for 284 radiotherapy centers, out of potential 2050, were analyzed. Results were presented as crude percentage and matched to point current status. The analysis showed that CLINAC accelerators are the most popular (82.7%), as well as, ADAC (43.7%) and Focus (CMS) (27.4%) systems for therapy planning. Movement towards virtual simulation is evident (59.3%), although classic "simulation" is not fully eliminated from the radiotherapy chain. The most popular brachytherapy afterloader is Microselectron HDR (71%). About 64.4% centers use IMPAC communication/verification/record system that seems more open than Varis. All centers practice modern radiotherapy modalities and techniques (CPRT, IMRT, SRS/SRT, TBI, IORT, IVBHRT, HDR BHRT, etc.). CT and MRI availability is out of question, but PET is available in 3% of centers, however this percentage is rapidly growing. Up to 350 new patients per year are treated by one accelerator (about 35 pts. a day). Centers are relatively small and utilize 2-3 accelerators on average. Average FTE staffing norm is 4 radiation oncologists, 2-3 medical radiotherapy physicists, about 3 certified medical dosimetrists and about 6 radiotherapy technologists. In the past 5 years relative stagnation in classic radiotherapy has been observed. In spite of substantial investments in technology and consequent improvements, as well as wide introduction of computers in radiotherapy, radiotherapy results have not changed significantly. Vendor developement strategies do not point that

  3. Uncooled Terahertz real-time imaging 2D arrays developed at LETI: present status and perspectives

    Science.gov (United States)

    Simoens, François; Meilhan, Jérôme; Dussopt, Laurent; Nicolas, Jean-Alain; Monnier, Nicolas; Sicard, Gilles; Siligaris, Alexandre; Hiberty, Bruno

    2017-05-01

    As for other imaging sensor markets, whatever is the technology, the commercial spread of terahertz (THz) cameras has to fulfil simultaneously the criteria of high sensitivity and low cost and SWAP (size, weight and power). Monolithic silicon-based 2D sensors integrated in uncooled THz real-time cameras are good candidates to meet these requirements. Over the past decade, LETI has been studying and developing such arrays with two complimentary technological approaches, i.e. antenna-coupled silicon bolometers and CMOS Field Effect Transistors (FET), both being compatible to standard silicon microelectronics processes. LETI has leveraged its know-how in thermal infrared bolometer sensors in developing a proprietary architecture for THz sensing. High technological maturity has been achieved as illustrated by the demonstration of fast scanning of large field of view and the recent birth of a commercial camera. In the FET-based THz field, recent works have been focused on innovative CMOS read-out-integrated circuit designs. The studied architectures take advantage of the large pixel pitch to enhance the flexibility and the sensitivity: an embedded in-pixel configurable signal processing chain dramatically reduces the noise. Video sequences at 100 frames per second using our 31x31 pixels 2D Focal Plane Arrays (FPA) have been achieved. The authors describe the present status of these developments and perspectives of performance evolutions are discussed. Several experimental imaging tests are also presented in order to illustrate the capabilities of these arrays to address industrial applications such as non-destructive testing (NDT), security or quality control of food.

  4. Present status and future plan of development on National Nuclear Forensics Library at JAEA

    International Nuclear Information System (INIS)

    Kimura, Yoshiki; Shinohara, Nobuo; Funatake, Yoshio; Sato, Kaneaki; Toda, Nobufumi; Shinoda, Yoshiharu; Watahiki, Masaru; Kuno, Yusuke

    2013-01-01

    Japan Atomic Energy Agency (JAEA) has initiated R and D project on nuclear forensics technology such as analytical technologies towards the establishment of nuclear forensics capabilities in Japan. National Nuclear Forensics Library (NNFL) is one of the fundamental nuclear forensics capabilities and a prototype NNFL has been developed as one topic of the R and D project at JAEA. Main objective of NNFL is to determine whether a seized nuclear or other radioactive material from nuclear security event (e.g. illicit trafficking) is originated from one's country or not. Analytical data of the seized material are compared with the existing materials populated in a NNFL, and its attributions such as origin and history will be identified. This paper describes the current status and future plan on the development of prototype NNFL. The outline and the results of the participation in an international table top exercise on NNFL named 'Galaxy Serpent' are also reported in the present paper. (author)

  5. Status epilepticus as the only presentation of the neonatal Bartter syndrome

    Directory of Open Access Journals (Sweden)

    Soumya Patra

    2012-01-01

    Full Text Available Bartter syndrome is a rare hereditary (autosomal recessive salt-losing tubulopathy characterized by hypokalemia, hypochloremia, metabolic alkalosis, and normal blood pressure with hyperreninemia, The underlying renal abnormality results in excessive urinary losses of sodium, chloride, and potassium. We report a case of a four-month-old infant with neonatal Bartter syndrome, who presented only with status epilepticus. To the best of our present knowledge, there is no reported case of Bartter syndrome who presented with status epilepticus.

  6. Status epilepticus as the only presentation of the neonatal Bartter syndrome.

    Science.gov (United States)

    Patra, Soumya; Konar, Mithun C; Basu, Rajarshi; Khaowas, Ajoy K; Dutta, Soumyadeep; Sarkar, Debanjali

    2012-03-01

    Bartter syndrome is a rare hereditary (autosomal recessive) salt-losing tubulopathy characterized by hypokalemia, hypochloremia, metabolic alkalosis, and normal blood pressure with hyperreninemia, The underlying renal abnormality results in excessive urinary losses of sodium, chloride, and potassium. We report a case of a four-month-old infant with neonatal Bartter syndrome, who presented only with status epilepticus. To the best of our present knowledge, there is no reported case of Bartter syndrome who presented with status epilepticus.

  7. Present status of research and development on solar cells in Japan

    International Nuclear Information System (INIS)

    Goto, S.; Kawakami, K.; Nishimura, T.; Uda, K.; Ishiyama, K.; Aratani, H.

    2004-01-01

    New Energy and Industrial Technology Development Organization (NEDO) has promoted a 5-year master plan (JFY2001-2005) for research and development of solar cells and modules in order to achieve the target of 4.82 GW, which is the target of Japanese cumulative photovoltaic installation in JFY2010, and worldwide PV deployment after 2010. Various technologies for reducing manufacturing cost are extensively developed in this project. We report recent status of three main themes in this project. Advanced manufacturing technology is designed as a short-term project which set itself the goal of manufacturing cost of 140 yen/W. Advanced solar cells technology based on a mid-term project and manufacturing cost of 100 yen/W as the object. Innovative PV technology is a long-term project and focused on novel technologies that enables further cost reduction in and beyond the year 2010. (authors)

  8. R&D status of linear collider technology at KEK

    Science.gov (United States)

    Urakawa, Junji

    1992-02-01

    This paper gives an outline of the Japan Linear Collider (JLC) project, especially JLC-I. The status of the various R&D works is particularly presented for the following topics: (1) electron and positron sources, (2) S-band injector linacs, (3) damping rings, (4) high power klystrons and accelerating structures, (5) the final focus system. Finally, the status of the construction and design studies for the Accelerator Test Facility (ATF) is summarized.

  9. Status of molten carbonate fuel cell technology development

    Science.gov (United States)

    Parsons, E. L., Jr.; Williams, M. C.; George, T. J.

    The MCFC technology has been identified by the DOE as a promising product for commercialization. Development of the MCFC technology supports the National Energy Strategy. Review of the status of the MCFC technology indicates that the MCFC technology developers are making rapid and significant progress. Manufacturing facility development and extensive testing is occurring. Improvements in performance (power density), lower costs, improved packaging, and scale up to full height are planned. MCFC developers need to continue to be responsive to end-users in potential markets. It will be market demands for the correct product definition which will ultimately determine the character of MCFC power plants. There is a need for continued MCFC product improvement and multiple product development tests.

  10. Research Status on the Heterogeneous Sheet Connection Forming Technology

    Directory of Open Access Journals (Sweden)

    SHI Wen-yong

    2017-04-01

    Full Text Available The heterogeneous sheet connection forming is one of the effective ways to realize lightweight in many fields,such as equipment manufacturing and transportation. However, there are obvious differences in the material properties,when using the traditional connection methods,there is a certain technical bottlenecks. In this paper, the technological characteristics and research status of the welding method and mechanical connection method are discussed in detail,such as the TIC welding and the laser welding. The advantages and development potential of the technology are introduced in the field of the heterogeneous sheet connection,in combination with the industry development and the use demand,the development of the heterogeneous sheet connection technology is expected,to provide the technical support for the research and development of new heterogeneous sheet connection technology.

  11. Desulfuration technologies: past, present and future; Tecnologias de desulfuracion: pasado, presente y futuro

    Energy Technology Data Exchange (ETDEWEB)

    Rodas G, Arturo; Blass A, Georgina; Panama T, Luz A [Instituto de Investigaciones Electricas, Cuernavaca, Morelos (Mexico)

    2003-07-01

    The interest for obtaining harmony between the electric power generation and the environment has derived into the design of numerous technologies for the control of the main emissions of atmospheric polluting agents, being some of them the sulfur oxides (SOx) that, at certain levels of concentration in the atmosphere, cause health damages and to the surrounding ecosystem. The present article shows an overview of the technologies for the disposal of sulfurated compounds in thermoelectric power stations and their application trends in the future systems of electric power generation. [Spanish] El interes por lograr una armonia entre la generacion de energia electrica y el medio ambiente, ha derivado en el diseno de numerosas tecnologias para el control de las principales emisiones de contaminantes atmosfericos, siendo algunos de ellos los oxidos de azufre (SOx) que, a ciertos niveles de concentracion en la atmosfera, ocasionan danos a la salud y al ecosistema circundante. El presente articulo muestra un panorama general de las tecnologias de eliminacion de compuestos sulfurados en centrales termoelectricas y sus tendencias de aplicacion en los futuros sistemas de generacion de energia electrica.

  12. Status of technology for isolating high-level radioactive wastes in geologic repositories

    International Nuclear Information System (INIS)

    Klingsberg, C.; Duguid, J.

    1980-10-01

    This report attempts to summarize the status of scientific and technological knowledge relevant to long-term isolation of high-level and transuranic wastes in a mined geologic repository. It also identifies and evaluates needed information and identifies topics in which work is under way or needed to reduce uncertainties. The major findings and conclusions on the following topics are presented: importance of the systems approach; prospects for successful isolation of wastes; need for site-specific investigations; human activities in the future; importance of modelling; disposal of transuranic wastes; status of technology of isolation barriers, performance assessment, site selection and characterization, and potential host rocks

  13. Standards for Technological Literacy: Past, Present, and Future

    Science.gov (United States)

    Dugger, William E., Jr; Moye, Johnny J.

    2018-01-01

    "Standards for Technological Literacy: Content for the Study of Technology (STL)" provides the content for what every technologically literate student should know and be able to do. It "defines what the study of technology in Grades K-12 should be, but it does not lay out a curriculum" (ITEA/ITEEA, 2000/2002/2007, p. 200).…

  14. Present status of high-temperature engineering test reactor (HTTR) program

    International Nuclear Information System (INIS)

    Tanaka, Toshiyuki; Baba, Osamu; Shiozawa, Shusaku; Okubo, Minoru; Tobioka, Toshiaki

    1994-01-01

    The 30MWt HTTR is a high-temperature gas-cooled reactor (HTGR), with a maximum helium coolant temperature of 950degC at the reactor outlet. The construction of the HTTR started in March 1991, with first criticality to be followed in 1998 after commissioning testing. At present the HTTR reactor building (underground part) and its containment vessel have been almost completed and its main components, such as a reactor pressure vessel (RPV), an intermediate heat exchanger, hot gas pipings and graphite core structures, are now manufacturing at their factories at the target of their installation starting in 1994. The project is intended to establish and upgrade the technology basis necessary for HTGR developments. Japan Atomic Energy Research Institute (JAERI) also plans to conduct material and fuel irradiation tests as an innovative basic research after attaining rated power and coolant temperature. Innovative basic researches are now in great request. The paper describes major features of HTTR, present status of its construction and research and test using HTTR. (author)

  15. Present status of High-Temperature engineering Test Reactor (HTTR) program

    International Nuclear Information System (INIS)

    Tanaka, Toshiyuki; Baba, Osamu; Shiozawa, Shusaku; Okubo, Minoru; Tobioka, Toshiaki

    1993-01-01

    The 30MWt HTTR is a high-temperature gas-cooled reactor (HTGR), with a maximum helium coolant temperature of 950 deg C at the reactor outlet. The construction of the HTTR started in March 1991, with first criticality to be followed in 1998 after commissioning testing. At present the HTTR reactor building (underground part) and its containment vessel have been almost completed and its main components, such as a reactor pressure vessel (RPV), an intermediate heat exchanger, hot gas pipings and graphite core structures, are now manufacturing at their factories at the target of their installation starting in 1994. The project is intended to establish and upgrade the technology basis necessary for HTGR developments. Japan Atomic Energy Research Institute (JAERI) also plans to conduct material and fuel irradiation tests as an innovative basic research after attaining rated power and coolant temperature. Innovative basic researches are now in great request. The paper describes major features of HTTR, present status of its construction and research and test plan using HTTR. (author)

  16. Decontamination and decommissioning technology tree and the current status of the technologies

    Energy Technology Data Exchange (ETDEWEB)

    Oh, Won Zin; Won, H.J.; Kim, G.N.; Lee, K.W.; Chol, W.K.; Jung, C.H.; Kim, C.J.; Kim, S.H.; Kwon, S.O.; Chung, C.M

    2001-03-01

    A technology tree diagram was developed on the basis of the necessary technologies applicable to the decontamination and decommissioning of nuclear facilities. The technology tree diagram is consist of 6 main areas such as characterization, decontamination, decommissioning and remote technology, radwaste management, site restoration, and decommissioning plan and engineering. Characterization is divided into 4 regions such as sampling and data collection, general characterization, chemical analysis and radiological analysis. Decontamination is also divided into 4 regions such as chemical decontamination, mechanical decontamination, the other decontamination technologies and new decontamination technologies. Decommissioning and remote technology area is divided into 4 regions such as cutting techniques, decommissioning technologies, new developing technologies and remote technologies. Radwaste management area is divided into 5 regions such as solid waste treatment, sludge treatment, liquid waste treatment, gas waste treatment and thermal treatment. Site restoration area is divided into 3 regions such as the evaluation of site contamination, soil decontamination and ground water decontamination. Finally, permission, decommissioning process, cost evaluation, quality assurance and the estimation of radionuclide inventory were mentioned in the decommissioning plan and engineering area. The estimated items for each technology are applicable domestic D and D facilities, D and D problem area and contamination/requirement, classification of D and D technology, similar technology, principle and overview of technology, status, science technology needs, implementation needs, reference and contact point.

  17. Decontamination and decommissioning technology tree and the current status of the technologies

    International Nuclear Information System (INIS)

    Oh, Won Zin; Won, H. J.; Kim, G. N.; Lee, K. W.; Chol, W. K.; Jung, C. H.; Kim, C. J.; Kim, S. H.; Kwon, S. O.; Chung, C. M.

    2001-03-01

    A technology tree diagram was developed on the basis of the necessary technologies applicable to the decontamination and decommissioning of nuclear facilities. The technology tree diagram is consist of 6 main areas such as characterization, decontamination, decommissioning and remote technology, radwaste management, site restoration, and decommissioning plan and engineering. Characterization is divided into 4 regions such as sampling and data collection, general characterization, chemical analysis and radiological analysis. Decontamination is also divided into 4 regions such as chemical decontamination, mechanical decontamination, the other decontamination technologies and new decontamination technologies. Decommissioning and remote technology area is divided into 4 regions such as cutting techniques, decommissioning technologies, new developing technologies and remote technologies. Radwaste management area is divided into 5 regions such as solid waste treatment, sludge treatment, liquid waste treatment, gas waste treatment and thermal treatment. Site restoration area is divided into 3 regions such as the evaluation of site contamination, soil decontamination and ground water decontamination. Finally, permission, decommissioning process, cost evaluation, quality assurance and the estimation of radionuclide inventory were mentioned in the decommissioning plan and engineering area. The estimated items for each technology are applicable domestic D and D facilities, D and D problem area and contamination/requirement, classification of D and D technology, similar technology, principle and overview of technology, status, science technology needs, implementation needs, reference and contact point

  18. SIHTI 2. Energy and environmental technology. Yearbook 1995. Project presentations

    International Nuclear Information System (INIS)

    Korhonen, M.; Thun, R.

    1997-01-01

    Detrimental impacts of various energy production forms, their prevention and costs to enterprises and to the society are studied in the National Research Programme on Energy and Environmental Technology - SIHTI 2. For this evaluation work databases on Finland's energy production, fuels and boilers and emissions of various production forms are needed. This is one of the main subtasks of the SIHTI Programme. Development of methods and tools required for environmental decision making and for the assessment of environmental costs and testing of their usability and reliability are equally important. Emission measurements are a problem field that continuously sets new challenges. In addition to energy production and its environmental impacts, environmental issues of the woodprocessing industries form another important research field of SIHTI 2 programme. A common aim of both fields is to reduce emissions of detrimental substances, to recycle raw materials, and to minimise and reuse wastes. Research and development projects are being carried out by a number of universities of different fields of science and technology, by research organisations and enterprises, and many projects are realised in close co-operation. In 1995, the programme comprised 28 R and D projects by universities and 22 enterprise-led projects. Results of these projects are presented in this yearbook. Part of the research projects continued from the preceding year and part were new projects continuing in 1996

  19. Presentations

    International Nuclear Information System (INIS)

    2007-01-01

    The PARIS meeting held in Cracow, Poland from 14 to 15 May 2007. The main subjects discussed during this meeting were the status of international project dedicated to gamma spectroscopy research. The scientific research program includes investigations of giant dipole resonance, probe of hot nuclei induced in heavy reactions, Jacobi shape transitions, isospin mixing and nuclear multifragmentation. The mentioned programme needs Rand D development such as new scintillations materials as lanthanum chlorides and bromides as well as new photo detection sensors as avalanche photodiodes - such subjects are also subjects of discussion. Additionally results of computerized simulations of scintillation detectors properties by means of GEANT- 4 code are presented

  20. Current Status and Application of Hazard Definition Technology

    Science.gov (United States)

    Greene, George C.

    1997-01-01

    A research is performed: to define wake non-encounter & hazard, to provide requirements for sensors, and to obtain input from the user community. This research includes: validating wake encounter simulation models, establishing a metric to quantify the upset potential of a wake encounter, applying hazard metric and simulation models to the commercial fleet for development of candidate acceptable encounter limits, and applying technology to near term problems to evaluate current status of technology. The following lessons are learned from this project: technology is not adequate to determine absolute spacing requirements; time, not distance, determines the duration of the wake hazard; Optimum standards depend on the traffic; Wing span is an important parameter for characterizing both generator and follower; and Short span "biz jets" are easily rolled.

  1. Teachers and Technology: Present Practice and Future Directions

    Science.gov (United States)

    DeCoito, Isha; Richardson, Tasha

    2018-01-01

    Technology cannot be effective in the classroom without teachers who are knowledgeable about both the technology itself and its implementation to meet educational goals. While technology use in the classroom is increasing, improving learning through its application should remain the goal. In this study, the authors explored 74 middle school…

  2. Disruptive technology disorder: A past, present, and future neurologic syndrome.

    Science.gov (United States)

    Weaver, Donald F

    2017-07-25

    Based upon an analysis of 6 major historical technological advances over the last 150 years, a new syndrome, disruptive technology disorder (DTD), is introduced. DTD describes the human health ailments that accompany the implementation of disruptive technologies. Elevator sickness, railway spine, and bicycle face are representative examples. Though the underlying causative disruptive technologies may differ, many neurologic symptoms (headache, dizziness, weakness) are common to multiple DTDs. Born of technology-driven societal change, DTDs manifest as a complex interplay between biological and psychological symptoms. © 2017 American Academy of Neurology.

  3. Pheromone use for insect control: present status and prospect in Bangladesh

    Directory of Open Access Journals (Sweden)

    Md. Azharul Islam

    2012-06-01

    Full Text Available The insect’s world is filled with many odors. Insects use these odors to cue them in a variety of complex social behaviors, including courtship, mating, and egg laying. Scientists and pest control specialists have known about these complex communication systems for decades. The main aim of this study was to visualize the availability, trends and differences in the sources of pheromone control in agricultural growth of Bangladesh. It also concerned on constrains and present use of pheromone and their possible recommendation on behalf of Bangladesh agriculture. It concentrated on the data during last three decades (1980-2010, comprising status of pheromone use in Bangladesh agriculture and its future. Review revealed that Bangladesh has been enormously successful in increasing pheromone use in agricultural production (especially for vegetables. Understanding of the nature of pheromones and their potential for pest control along with the future prospective of pheromone technique in agriculture were stated. Since the pheromone, technologies for control of major crop pests in Bangladesh are still limited. So that this review emphasized on more attention to the authority to increase the research works and project facilities related to develop and promote pheromone techniques. It is highly recommended to increase availability of pheromone in market, more investment in research and development, introduction of newly identified pheromone for specific pest, to assist government and non-government organizations to work with farmers to reduce harmful insecticide use and promote pheromone tactics as one part of integrated crop management (ICM.

  4. Radiation sterilization of medical supplies: conceptions, regulations, present status and further developments

    International Nuclear Information System (INIS)

    Peteu, Gh.

    1994-01-01

    A general view on the present stage and tendencies in the development of radiation sterilization of biomedical supplies is presented. Specific concepts in correlation with some regulations of the World Health Organization and of the National Public Health Authorities concerning the present state, the possibilities and criteria of development in our country, are discussed. Finally the present status of the design and execution of the project of two mobile and multipurpose irradiators is presented. (Author)

  5. Safety analysis of the present status of the research reactor 'RA' at 'Vinca' Institute

    International Nuclear Information System (INIS)

    Jovic, V.; Jovic, L.; Zivotic, Z.; Milovanovic, Dj.

    1995-01-01

    Safety analysis of the nuclear facility which has been out of work for a long time and whose future is not defined at the present moment, can not be connected to the usual, normatively regulated system analysis procedure in both operational and accidental regimes. Therefore, the safety analysis of the present status of the present status of the reactor RA is related to system and components analysis which, in present conditions maintain their nuclear functions operational. In the first place, it refers to components and equipment in which radioactive radiation generation still exists and to installations and equipment maintaining radiation level below permitted limit. in the context of the analysis the following areas are being covered: present status characteristics, accidental events while operating period from 1959. to 1984., nuclear fuels and radioactive waste inventory, basic characteristics and status of safety-related systems and equipment, radiation protection, potential accident analysis at present status of the reactor RA, potential accidental situations due to natural events (earthquakes, water flood) or man-induced events and security. 8 refs

  6. Present status of nuclear science education and training in Sri Lanka

    International Nuclear Information System (INIS)

    Hewamanna, R.

    2007-01-01

    Like others Sri Lankans too have fear of nuclear radiation, probably because of the weak system of proper radiation education. Some National Institutes and few Universities are involved in nuclear science teaching and research. There are two major levels of obtaining radiation or nuclear education and training in Sri Lanka : the University and training courses in nuclear related technology and radiation protection offered by the Atomic Energy Authority of the Ministry of Science and Technology. This paper summarizes the status, some of the activities and problems of radiation education in Sri Lanka. (author)

  7. Application status and prospect of X-ray lithography technology

    International Nuclear Information System (INIS)

    Xie Changqing; Chen Dapeng; Liu Ming; Ye Tianchun; Yi Futing

    2004-01-01

    Because of its many merits, such as high resolution, large depth of focus, large field size, high throughput, large process latitude, easy extendibility to 50 nm and below ground rule, and so on, the Proximity X-ray Lithography (PXL) is very attractive for the 100 nm and smaller ground rule integrated circuit manufacturing. In this paper, the international research and development status of PXL is briefly introduced firstly, and both its application status and prospect in nanoelectronics research, Monolithic Microwave Integrated Circuits (MMIC) production and silicon-based Ultra Large Scale Integrated Circuits (ULSIC) production are described, and the recent research progress in home PXL is also presented briefly. (authors)

  8. Planetary Science Technology Infusion Study: Findings and Recommendations Status

    Science.gov (United States)

    Anderson, David J.; Sandifer, Carl E., II; Sarver-Verhey, Timothy R.; Vento, Daniel M.; Zakrajsek, June F.

    2014-01-01

    The Planetary Science Division (PSD) within the National Aeronautics and Space Administrations (NASA) Science Mission Directorate (SMD) at NASA Headquarters sought to understand how to better realize a scientific return on spacecraft system technology investments currently being funded. In order to achieve this objective, a team at NASA Glenn Research Center was tasked with surveying the science and mission communities to collect their insight on technology infusion and additionally sought inputs from industry, universities, and other organizations involved with proposing for future PSD missions. This survey was undertaken by issuing a Request for Information (RFI) activity that requested input from the proposing community on present technology infusion efforts. The Technology Infusion Study was initiated in March 2013 with the release of the RFI request. The evaluation team compiled and assessed this input in order to provide PSD with recommendations on how to effectively infuse new spacecraft systems technologies that it develops into future competed missions enabling increased scientific discoveries, lower mission cost, or both. This team is comprised of personnel from the Radioisotope Power Systems (RPS) Program and the In-Space Propulsion Technology (ISPT) Program staff.The RFI survey covered two aspects of technology infusion: 1) General Insight, including: their assessment of barriers to technology infusion as related to infusion approach; technology readiness; information and documentation products; communication; integration considerations; interaction with technology development areas; cost-capped mission areas; risk considerations; system level impacts and implementation; and mission pull. 2) Specific technologies from the most recent PSD Announcements of Opportunities (AOs): The Advanced Stirling Radioisotope Generator (ASRG), aerocapture and aeroshell hardware technologies, the NASA Evolutionary Xenon Thruster (NEXT) ion propulsion system, and the

  9. Status of advanced ultra-supercritical pulverised coal technology

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2013-12-01

    In pulverised coal combustion (PCC) power plant, increasing the maximum temperature of the steam cycle increases the electrical efficiency, which in turn lowers both coal consumption and flue gas emissions. However, the maximum steam temperature is limited by materials that can operate at these conditions for practical service lifetimes without failure. The EU, USA, Japan, India and China all have material research programmes aiming for the next generation of increased steam temperatures and efficiency, known as advanced ultra-supercritical (AUSC) or 700°C technology. This report reviews developments and status of these major material research programmes.

  10. Historical review, present status and perspectives of nuclear sciences education at the Sofia University

    International Nuclear Information System (INIS)

    Djingova, R.; Kuleff, I.; Todorovsky, D.; Kovacheva, P.; Tsankov, L.; Staevski, K.; Tsenov, R.

    2004-01-01

    A brief review of the history of the education in nuclear sciences at the Faculty of Physics and Faculty of Chemistry of the Sofia University is made in the report. The present status of Bachelor, Master and PhD programmes in both Faculties is presented. (authors)

  11. Nuclear power in the world: Its present status and development trends

    International Nuclear Information System (INIS)

    Bennett, L.L.

    1994-01-01

    Present status of nuclear power development in the world is presented showing data on power reactors in operation and under construction, on growth of nuclear electricity generation since 1970, the distribution of nuclear electricity generation during 1993. Development trends in the field are also outlined. 7 figs, 5 tabs

  12. Present status and prospect of the experimental study of QED in high Z ions

    International Nuclear Information System (INIS)

    Briand, J.P.

    1993-01-01

    I summarize in this paper the present status of our experimental knowledge on the Lamb shift of high Z hydrogenlike ions. Some tentative prospect on the future improvements with the new large accelerators and ion sources are discussed and compared with the present accuracy of QED corrections. (orig.)

  13. Present status and prospects of high-temperature engineering test reactor (HTTR) program

    International Nuclear Information System (INIS)

    Tanaka, Toshiyuki; Baba, Osamu; Shiozawa, Shusaku; Okubo, Minoru; Tobioka, Toshiaki

    1995-01-01

    It is essentially important in Japan, which has limited amount of natural resources, to make efforts to obtain more reliable and stable energy supply by extended use of nuclear energy including high temperature heat from nuclear reactors. Hence, efforts are to be continuously devoted to establish and upgrade High Temperature Gas-cooled Reactor (HTGR) technologies and to make much of research resources accumulated so far. It is also expected that making basic researches at high temperature using HTGR will contribute to innovative basic research in future. Then, the construction of High Temperature engineering Test Reactor (HTTR), which is an HTGR with a maximum helium coolant temperature of 950degC at the reactor outlet, was decided by the Japanese Atomic Energy Commission (JAEC) in 1987 and is now under way by the Japan Atomic Energy Research Institute (JAERI). The construction of the HTTR started in March 1991, with first criticality in 1998 to be followed after commissioning testing. At present the HTTR reactor building and its containment vessel have been nearly completed and its main components, such as a reactor pressure vessel, an intermediate heat exchanger, hot gas pipings and core support structures, have been manufactured at their factories and delivered to the Oarai Research Establishment of the JAERI for their installation in the middle of 1994. Fuel fabrication will be started as well. The project is intended to establish and upgrade the technology basis necessary for HTGR developments. The IAEA Coordinated Research Programme on Design and Evaluation of Heat Utilization Systems for the HTTR, such as steam reforming of methane and thermochemical water splitting for hydrogen production, was launched successfully in January 1994. Some heat utilization system is planned to be connected to the HTTR and demonstrated at the former stage of the second core. At present, steam-reforming of methane is the first candidate. The JAERI also plans to conduct material

  14. Status of radiation detector and neutron monitor technology

    CERN Document Server

    Kim, Y K; Ha, J H; Han, S H; Hong, S B; Hwang, I K; Lee, W G; Moon, B S; Park, S H; Song, M H

    2002-01-01

    In this report, we describe the current states of the radiation detection technology, detectors for industrial application, and neutron monitors. We also survey the new technologies being applied to this field. The method to detect radiation is the measurement of the observable secondary effect from the interaction between incident radiation and detector material, such as ionization, excitation, fluorescence, and chemical reaction. The radiation detectors can be categorized into gas detectors, scintillation detectors, and semiconductor detectors according to major effects and main applications. This report contains the current status and operational principles of these detectors. The application fields of radiation detectors are industrial measurement system, in-core neutron monitor, medical radiation diagnostic device, nondestructive inspection device, environmental radiation monitoring, cosmic-ray measurement, security system, fundamental science experiment, and radiation measurement standardization. The st...

  15. Status of technologies related to radioactive waste management and disposal

    International Nuclear Information System (INIS)

    1979-09-01

    The document discusses the status of technologies relevant to radioactive waste management and disposal, as defined by the INFCE Working Group 7 study. All fuel cycle wastes, with the exception of mill tailings, are placed in mined geologic repositories. In addition to the availability of technologies, the document discusses the: a) importance of the systems viewpoint, b) importance of modeling, c) need for site-specific investigations, d) consideration of future sub-surface human activities and e) prospects for successful isolation. In the sections on waste isolation and repository safety assessments, principal considerations are discussed. The document concludes that successful isolation of radioactive wastes from the biosphere appears technically feasible for periods of thousands of years provided that the systems view is used in repository siting and design

  16. Technology transfer present and futures in the electronic arts

    Directory of Open Access Journals (Sweden)

    Brian Degger

    2008-01-01

    Full Text Available We are entering an era where creating the fantastical is possible in the arts. In the areas of mixed reality and biological arts, responsive works are created based on advances in basic science and technology. This is enabling scientists and artists to pose new questions. As the time between discovery and application is so short, artists need imaginative ways of accessing new technology in order to critique and use it.These are the new paints that the majority of artists cannot afford or access, technology to enable cloning of DNA, to print channels on a chip, to access proprietary 3G networks. Currently, partnerships or residencies are used to facilitate artist’s access to these technologies. What would they do if technology was available that enabled them to make any art work they so desire? Are the limitations in current technology an advantage rather than a disadvantage in some of their works? Does interaction with technologists make their work more robust? Are there disadvantages? How do they get access to the technology they require? Open source or proprietary? Or have they encountered the situation where their vision is greater than technology allows. When their work breaks because of this fact, is their art broken? Blast Theory (Brighton,UK, FoAM(Brussels, Belgium and Amsterdam, Netherlands, SymbioticA (Perth, Australia are organisations pushing technological boundaries in the service of art. This paper addresses some questions of technology transfer in relation to recent artworks, particularly I like Frank in Adelaide (Blast Theory, transient reality generators (trg (FoAM and Multi electrode array artist (MeART (SymbioticA.

  17. Present status and prospects of radioisotopes and radiation utilization in Indonesia

    International Nuclear Information System (INIS)

    Baiquni, A.

    1982-01-01

    The present status and prospects of RI and radiation utilization in Indonesia, which developed under the Government's assistance and supervision since the opening of the research reactor in 1965, was reviewed. Utilization of short half-life RI in various fields was described. Utilization in medicine, sterilization of medical supplies, the industrial world and hydrology was detailed. Annual changes in these fields were shown and tables were presented. The status of various types of radiation and RI utilization in Indonesia, which included nuclear analytical techniques in industry and various laboratories in agriculture, industry and biology, was reported. Finally, the plan of construction of a third research reactor was referred to. (Chiba, N.)

  18. Update of super-speed ground transportation technology development status and performance capabilities. CIGGT report No. 89-16

    Energy Technology Data Exchange (ETDEWEB)

    Hayes, W F

    1990-01-01

    This report presents an update of the Phase II assessment of development status and performance capabilities for four candidate super-speed ground transportation system alternatives for the Las Vegas-Southern California corridor. The four alternatives considered are the TGV wheel-on-rail technology, the Transrapid TR- 07 long-stator Electromagnetic Maglev (EMS) technology, the Japan Railways MLU Electrodynamic Maglev (EDS) technology, and the HSST Corp. HSST-400 short-stator Electromagnetic Maglev technology.

  19. Use and development of teaching technologies presented in nursing research

    Directory of Open Access Journals (Sweden)

    Pétala Tuani Candido de Oliveira Salvador

    2015-07-01

    Full Text Available Objective: characterizing teaching technologies used or developed in nursing dissertations and theses in Brazil. Methods: a documentary research that had data collection sourced from directories of theses and dissertations available on the website of the Brazilian Nursing Association, from Volumes Nineteen (XIX (2001 to Twenty-one (XXI (2013. Results: of 6346 studies, 18 (0.28% used or developed teaching technologies, composed of the following categories: use of conceptual map; use of games; development of Virtual Learning Environment; development of educational materials; development of Distance Education courses; and artifact development. Conclusion: national research on the development and use of teaching technology in nursing are still insufficient, especially in the North and Northeast. Multiple benefits of the use of teaching technologies in nursing and learning environments were highlighted, not only for students and professionals, but also for patients.

  20. Technological Skills and New Professional Profiles: Present Challenges for Journalism

    OpenAIRE

    López-García, Xosé; Rodríguez-Vázquez, Ana-Isabel; Pereira-Fariña, Xosé

    2017-01-01

    The paper aims at understanding the intersections between technology and the professional practices in some of the new trends in journalism that are using the new tools: multimedia journalism, immersive journal-ism and data journalism. The great dilemma facing journalism when training new professionals -especially the youngest- is not anymore the training in new technologies anymore. The main concern lies in taking ad-vantage of their skills to create a new computational model while keeping t...

  1. Current status and future potential for advanced volume reduction technologies

    International Nuclear Information System (INIS)

    Rutland, L.; Naughton, M.D.; Papaiya, N.C.

    1984-01-01

    With escalating costs for disposal of low-level radioactive waste (LLW) from nuclear power plants, and the possibility of unavailability of disposal space, some nuclear power utilities responded by commiting to implementing advanced volume reduction (VR) systems. This paper presents recent experience to implement advanced volume reduction technologies; their performance and typical operating and capital costs. This experience in the light of current economic conditions may enable us to predict the direction that future advanced VR technology commitments is taking

  2. Analysis and study of spent fuel reprocessing technology from birth to present

    International Nuclear Information System (INIS)

    Takahashi, Keizo

    2006-01-01

    As for the nuclear fuel reprocessing of the spent fuel, although there was argument of pros and cons, it was decided to start Rokkasho reprocessing project further at the Japan Atomic Energy Commission of ''Long-Term Program for Research, Development and Utilization of Nuclear Energy'' in year 2004. The operation of Tokai Reprocessing is going steadily to reprocess spent fuel more than 1,100 tons. In this paper, history, present status and future of reprocessing technology is discussed focusing from military Pu production, Magnox fuel reprocessing to oxide fuel reprocessing. Amount of reprocessed fuel are estimated based on fuel type. Then, history of reprocessing, US, UK, France, Germany, Russian, Belgian and Japan is presented and compared on technology, national character, development organization, environmental protection, and high active waste vitrification. Technical requirements are increased from Pu production fuel, Magnox fuel and oxide fuel mainly because of higher burnup. Reprocessing technology is synthetic of engineering and accumulation of operational experience. The lessons learned from the operational experience of the world will be helpful for establishment of nuclear fuel reprocessing technology in Japan. (author)

  3. Clinical presentation and visual status of retinitis pigmentosa patients: a multicenter study in southwestern Nigeria.

    Science.gov (United States)

    Onakpoya, Oluwatoyin Helen; Adeoti, Caroline Olufunlayo; Oluleye, Tunji Sunday; Ajayi, Iyiade Adeseye; Majengbasan, Timothy; Olorundare, Olayemi Kolawole

    2016-01-01

    To review the visual status and clinical presentation of patients with retinitis pigmentosa (RP). Multicenter, retrospective, and analytical review was conducted of the visual status and clinical characteristics of patients with RP at first presentation from January 2007 to December 2011. Main outcome measure was the World Health Organization's visual status classification in relation to sex and age at presentation. Data analysis by SPSS (version 15) and statistical significance was assumed at Ppresent in their siblings 15 (71.4%), grandparents 11 (52.3%), and parents 4 (19.4%). Forty (41.7%) were blind at presentation and 23 (24%) were visually impaired. Blindness in six (15%) patients was secondary to glaucoma. Retinal vascular narrowing and retinal pigmentary changes of varying severity were present in all patients. Thirty-five (36.5%) had maculopathy, 36 (37.5%) refractive error, 19 (20%) lenticular opacities, and eleven (11.5%) had glaucoma. RP was typical in 85 patients (88.5%). Older patients had higher rates of blindness at presentation (P=0.005); blindness and visual impairment rate at presentation were higher in males than females (P=0.029). Clinical presentation with advanced diseases, higher blindness rate in older patients, sex-related difference in blindness/visual impairment rates, as well as high glaucoma blindness in RP patients requires urgent attention in southwestern Nigeria.

  4. Review of past, present, and future of recording technology

    Science.gov (United States)

    Al-Jibouri, Abdul-Rahman

    2003-03-01

    The revolution of information storage and recording has been advanced significantly over the past two decades. Since the development of computers in early 1950s by IBM, the data (information) was stored on magnetic disc by inducing magnetic flux to define the pit direction. The first disc was developed by IBM with diameter of 25inch to store around 10 kByte. After four decades, the disc drive has become more advanced by reducing the drive size, increasing ariel density and cost reduction. The introduction of new computer operating systems and the Internet resulted in the need to develop high ariel density in the 1990s. Therefore, the disc drive manufacturers were pushed harder to develop new technologies at low cost to survive the competitive market. The disc drives, which are based on media (where the data/information is stored) and the head (which will write and read data/information). The head and disc are separated and with the current technology the spacing between the disc and head is about 40nm. A new technology based on magnetic recording was developed to serve the audio market. This technology is called magnetic type, it is similar to the disc drive, but the media is based on tape rather than rigid disc. Another difference being the head and media are in direct contact. Magnetic tape was developed for audio application and a few years later this technology was extended to allow and accept another technology, called video. This allows consumers to record and view movies in their home. The magnetic tape also used the computer industries for back up data. Magnetic tape is still used in computers and has advanced further over the past decade, companies like Quantum Corp has developed digital linear tape.

  5. An overview of the present status of food irradiation and its prospect in Malaysia

    International Nuclear Information System (INIS)

    Muhammad bin Lebai Juri

    1984-01-01

    The paper seeks to review the present state of development in the food irradiation as a post harvest preservation technique. Brief discussion is focussed on the past and current status of the subject. The application of this method in Malaysia is explored due to its potential to be succesfully implemented. The prospect of its application is also highlighted. (author)

  6. Overview of the present status and challenges of neutrino oscillation physics

    Energy Technology Data Exchange (ETDEWEB)

    Mocioiu, Irina [Pennsylvania State University, 104 Davey Lab, University Park, PA 16802 (United States)

    2012-11-20

    This is an overview of the current status of neutrino oscillation physics, including atmospheric, solar, reactor and accelerator neutrino experiments. After summarizing our present understanding of all data, I discuss the open questions and how they might be addressed in the future. I also discuss how neutrinos can be used to learn about new physics and astrophysics.

  7. Colliding beam experiments in the Siberian Institute for Nuclear Physics (Present status and prospects)

    International Nuclear Information System (INIS)

    Budker, G.I.

    1982-01-01

    Present status of construction of colliding (electron, positron, proton, antiproton and muon) beam facilities is described. Experiments conducted at the VEP-1 and VEPP-2 facilities in 1968-1970 are enumerated. The program of forthcoming investigations at the VAPP-NAP facility is described in brief

  8. Present status of practical aspects of individual dosimetry. Pt. 1. EC Member States

    International Nuclear Information System (INIS)

    Goeksu, H.Y.; Regulla, D.; Drexler, G.

    1995-01-01

    The study reviews the present status of radiation protection practices of occupationally exposed persons in the Member States of the European Communities by taking account of the new legislative changes. A special emphasis is given to identify and describe the difference in procedures and methods of personnel monitoring, dose assessment, record keeping and collective dose assessment in each country. (orig./HP)

  9. Investigation of neutrino properties in experiments at nuclear reactors: Present status and prospects

    International Nuclear Information System (INIS)

    Mikaelyan, L.A.

    2002-01-01

    The present status of experiments that are being performed at nuclear reactors in order to seek the neutrino masses, mixing, and magnetic moments, whose discovery would be a signal of the existence of physics beyond the Standard Model, is considered, along with their future prospects

  10. Present status of transport code development based on Monte Carlo method

    International Nuclear Information System (INIS)

    Nakagawa, Masayuki

    1985-01-01

    The present status of development in Monte Carlo code is briefly reviewed. The main items are the followings; Application fields, Methods used in Monte Carlo code (geometry spectification, nuclear data, estimator and variance reduction technique) and unfinished works, Typical Monte Carlo codes and Merits of continuous energy Monte Carlo code. (author)

  11. Robotic technology in surgery: current status in 2008.

    Science.gov (United States)

    Murphy, Declan G; Hall, Rohan; Tong, Raymond; Goel, Rajiv; Costello, Anthony J

    2008-12-01

    There is increasing patient and surgeon interest in robotic-assisted surgery, particularly with the proliferation of da Vinci surgical systems (Intuitive Surgical, Sunnyvale, CA, USA) throughout the world. There is much debate over the usefulness and cost-effectiveness of these systems. The currently available robotic surgical technology is described. Published data relating to the da Vinci system are reviewed and the current status of surgical robotics within Australia and New Zealand is assessed. The first da Vinci system in Australia and New Zealand was installed in 2003. Four systems had been installed by 2006 and seven systems are currently in use. Most of these are based in private hospitals. Technical advantages of this system include 3-D vision, enhanced dexterity and improved ergonomics when compared with standard laparoscopic surgery. Most procedures currently carried out are urological, with cardiac, gynaecological and general surgeons also using this system. The number of patients undergoing robotic-assisted surgery in Australia and New Zealand has increased fivefold in the past 4 years. The most common procedure carried out is robotic-assisted laparoscopic radical prostatectomy. Published data suggest that robotic-assisted surgery is feasible and safe although the installation and recurring costs remain high. There is increasing acceptance of robotic-assisted surgery, especially for urological procedures. The da Vinci surgical system is becoming more widely available in Australia and New Zealand. Other surgical specialties will probably use this technology. Significant costs are associated with robotic technology and it is not yet widely available to public patients.

  12. Technological Skills and New Professional Profiles: Present Challenges for Journalism

    Science.gov (United States)

    López-García, Xosé; Rodríguez-Vázquez, Ana-Isabel; Pereira-Fariña, Xosé

    2017-01-01

    The paper aims at understanding the intersections between technology and the professional practices in some of the new trends in journalism that are using the new tools: multimedia journalism, immersive journalism, and data journalism. The great dilemma facing journalism when training new professionals--especially the youngest--is not the training…

  13. Present status of storage ring free electron laser experiment at ETL

    International Nuclear Information System (INIS)

    Yamazaki, T.; Nakamura, T.; Tomimasu, T.; Sugiyama, S.; Noguchi, T.

    1988-01-01

    Outline is described of the present status of the ETL storage-ring free electron laser project. The structure and the performance of the ETL-type transverse optical klystron are given. A modification of the dispersive section has decreased the degradation of the shape of the spontaneous-emission spectrum due to energy spread of the electron beam. Relevant parameters of the stored beam are presented. Measurement of the optical-cavity loss is under way. (author)

  14. Electronic Nose Technology to Measure Soil Microbial Activity and Classify Soil Metabolic Status

    OpenAIRE

    Fabrizio De Cesare; Elena Di Mattia; Simone Pantalei; Emiliano Zampetti; Vittorio Vinciguerra; Antonella Macagnano

    2011-01-01

    The electronic nose (E-nose) is a sensing technology that has been widely used to monitor environments in the last decade. In the present study, the capability of an E-nose, in combination with biochemical and microbiological techniques, of both detecting the microbial activity and estimating the metabolic status of soil ecosystems, was tested by measuring on one side respiration, enzyme activities and growth of bacteria in natural but simplified soil ecosystems over 23 days of incubation thr...

  15. Energy technologies at Sandia National Laboratories: Past, Present, Future

    Energy Technology Data Exchange (ETDEWEB)

    1989-08-01

    We at Sandia first became involved with developing energy technology when the nation initiated its push toward energy independence in the early 1970s. That involvement continues to be strong. In shaping Sandia's energy programs for the 1990s, we will build on our track record from the 70s and 80s, a record outlined in this publication. It contains reprints of three issues of Sandia's Lab News that were devoted to our non-nuclear energy programs. Together, they summarize the history, current activities, and future of Sandia's diverse energy concerns; hence my desire to see them in one volume. Written in the fall of 1988, the articles cover Sandia's extremely broad range of energy technologies -- coal, oil and gas, geothermal, solar thermal, photovoltaics, wind, rechargeable batteries, and combustion.

  16. Trends in Process Analytical Technology: Present State in Bioprocessing.

    Science.gov (United States)

    Jenzsch, Marco; Bell, Christian; Buziol, Stefan; Kepert, Felix; Wegele, Harald; Hakemeyer, Christian

    2017-08-04

    Process analytical technology (PAT), the regulatory initiative for incorporating quality in pharmaceutical manufacturing, is an area of intense research and interest. If PAT is effectively applied to bioprocesses, this can increase process understanding and control, and mitigate the risk from substandard drug products to both manufacturer and patient. To optimize the benefits of PAT, the entire PAT framework must be considered and each elements of PAT must be carefully selected, including sensor and analytical technology, data analysis techniques, control strategies and algorithms, and process optimization routines. This chapter discusses the current state of PAT in the biopharmaceutical industry, including several case studies demonstrating the degree of maturity of various PAT tools. Graphical Abstract Hierarchy of QbD components.

  17. High-Altitude Platforms - Present Situation and Technology Trends

    Directory of Open Access Journals (Sweden)

    Flavio Araripe D'Oliveira

    2016-07-01

    Full Text Available High-altitude platforms (HAPs are aircraft, usually unmanned airships or airplanes positioned above 20 km, in the stratosphere, in order to compose a telecommunications network or perform remote sensing. In the 1990 and 2000 decades, several projects were launched, but very few had continued. In 2014, 2 major Internet companies (Google and Facebook announced investments in new HAP projects to provide Internet access in regions without communication infrastructure (terrestrial or satellite, bringing back attention to the development of HAP. This article aims to survey the history of HAPs, the current state-of-the-art (April 2016, technology trends and challenges. The main focus of this review will be on technologies directly related to the aerial platform, inserted in the aeronautical engineering field of knowledge, not detailing aspects of the telecommunications area.

  18. Use of permanent magnets in accelerator technology: Present and future

    International Nuclear Information System (INIS)

    Halbach, K.

    1987-01-01

    Permanent magnet systems have some generic properties that, under some circumstances, make them not only mildy preferable over electromagnets, but make it possible to do things that can not be done with any other technology. After a general discussion of these generic advantages, some specific permanent magnet systems will be described. Special emphasis will be placed on systems that have now, or are likely to have in the future, a significant impact on how some materials research is conducted

  19. Current Status of Helium-3 Alternative Technologies for Nuclear Safeguards

    International Nuclear Information System (INIS)

    Henzlova, Daniela; Kouzes, R.; McElroy, R.; Peerani, P.; Baird, K.; Bakel, A.; Borella, M.; Bourne, M.; Bourva, L.; Cave, F.; Chandra, R.; Chernikova, D.; Croft, S.; Dermody, G.; Dougan, A.; Ely, J.; Fanchini, E.; Finocchiaro, P.; Gavron, Victor; Kureta, M.; Ianakiev, Kiril Dimitrov; Ishiyama, K.; Lee, T.; Martin, Ch.; McKinny, K.; Menlove, Howard Olsen; Orton, Ch.; Pappalardo, A.; Pedersen, B.; Plenteda, R.; Pozzi, S.; Schear, M.; Seya, M.; Siciliano, E.; Stave, S.; Sun, L.; Swinhoe, Martyn Thomas; Tagziria, H.; Takamine, J.; Weber, A.-L.; Yamaguchi, T.; Zhu, H.

    2015-01-01

    International safeguards inspectorates (e.g., International Atomic Energy Agency, or Euratom) rely heavily on neutron assay techniques, and in particular, on coincidence counters for the verification of declared nuclear materials under safeguards and for monitoring purposes. While 3 He was readily available, the reliability, safety, ease of use, gamma-ray insensitivity, and high intrinsic thermal neutron detection efficiency of 3 He-based detectors obviated the need for alternative detector technologies. However, the recent decline of the 3 He gas supply has triggered international efforts to develop and field neutron detectors that make use of alternative materials. In response to this global effort, the U.S. Department of Energy's (DOE) National Nuclear Security Administration (NNSA) and Euratom launched a joint effort aimed at bringing together international experts, technology users and developers in the field of nuclear safeguards to discuss and evaluate the proposed 3 He alternative materials and technologies. The effort involved a series of two workshops focused on detailed overviews and viability assessments of various 3 He alternative technologies for use in nuclear safeguards applications. The key objective was to provide a platform for collaborative discussions and technical presentations organized in a compact, workshop-like format to stimulate interactions among the participants. The meetings culminated in a benchmark exercise providing a unique opportunity for the first inter-comparison of several available alternative technologies. This report provides an overview of the alternative technology efforts presented during the two workshops along with a summary of the benchmarking activities and results. The workshop recommendations and key consensus observations are discussed in the report, and used to outline a proposed path forward and future needs foreseeable in the area of 3 He-alternative technologies.

  20. Current Status of Helium-3 Alternative Technologies for Nuclear Safeguards

    Energy Technology Data Exchange (ETDEWEB)

    Henzlova, Daniela [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Kouzes, R. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); McElroy, R. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Peerani, P. [European Commission, Ispra (Italy). Joint Research Centre; Aspinall, M. [Hybrid Instruments Ltd., Birmingham (United Kingdom); Baird, K. [Intl Atomic Energy Agency (IAEA), Vienna (Austria); Bakel, A. [National Nuclear Security Administration (NNSA), Washington, DC (United States); Borella, M. [SCK.CEN, Mol (Belgium); Bourne, M. [Univ. of Michigan, Ann Arbor, MI (United States); Bourva, L. [Canberra Ltd., Oxford (United Kingdom); Cave, F. [Hybrid Instruments Ltd., Birmingham (United Kingdom); Chandra, R. [Arktis Radiation Detectors Ltd., Zurich (Sweden); Chernikova, D. [Chalmers Univ. of Technology (Sweden); Croft, S. [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Dermody, G. [Symetrica Inc., Maynard, MA (United States); Dougan, A. [National Nuclear Security Administration (NNSA), Washington, DC (United States); Ely, J. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Fanchini, E. [Istituto Nazionale di Fisica Nucleare (INFN), Milano (Italy); Finocchiaro, P. [Istituto Nazionale di Fisica Nucleare (INFN), Milano (Italy); Gavron, Victor [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Kureta, M. [Japan Atomic Energy Agency (JAEA), Tokai (Japan); Ianakiev, Kiril Dimitrov [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Ishiyama, K. [Japan Atomic Energy Agency (JAEA), Tokai (Japan); Lee, T. [Intl Atomic Energy Agency (IAEA), Vienna (Austria); Martin, Ch. [Symetrica Inc., Maynard, MA (United States); McKinny, K. [GE Reuter-Stokes, Twinsburg, OH (United States); Menlove, Howard Olsen [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Orton, Ch. [National Nuclear Security Administration (NNSA), Washington, DC (United States); Pappalardo, A. [Istituto Nazionale di Fisica Nucleare (INFN), Milano (Italy); Pedersen, B. [European Commission, Ispra (Italy). Joint Research Centre; Peranteau, D. [National Nuclear Security Administration (NNSA), Washington, DC (United States); Plenteda, R. [Intl Atomic Energy Agency (IAEA), Vienna (Austria); Pozzi, S. [Univ. of Michigan, Ann Arbor, MI (United States); Schear, M. [Symetrica Inc., Maynard, MA (United States); Seya, M. [Japan Atomic Energy Agency (JAEA), Tokai (Japan); Siciliano, E. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Stave, S. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States); Sun, L. [Proportional Technologies Inc., Houston, TX (United States); Swinhoe, Martyn Thomas [Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Tagziria, H. [European Commission, Ispra (Italy). Joint Research Centre; Vaccaro, S. [DG Energy (Luxembourg); Takamine, J. [Japan Atomic Energy Agency (JAEA), Tokai (Japan); Weber, A. -L. [Inst. for Radiological Protection and Nuclear Safety (IRSN), Fontenay-aux-Roses (France); Yamaguchi, T. [Japan Atomic Energy Agency (JAEA), Tokai (Japan); Zhu, H. [National Nuclear Security Administration (NNSA), Washington, DC (United States)

    2015-12-01

    International safeguards inspectorates (e.g., International Atomic Energy Agency {IAEA}, or Euratom) rely heavily on neutron assay techniques, and in particular, on coincidence counters for the verification of declared nuclear materials under safeguards and for monitoring purposes. While 3He was readily available, the reliability, safety, ease of use, gamma-ray insensitivity, and high intrinsic thermal neutron detection efficiency of 3He-based detectors obviated the need for alternative detector technologies. However, the recent decline of the 3He gas supply has triggered international efforts to develop and field neutron detectors that make use of alternative materials. In response to this global effort, the U.S. Department of Energy’s (DOE) National Nuclear Security Administration (NNSA) and Euratom launched a joint effort aimed at bringing together international experts, technology users and developers in the field of nuclear safeguards to discuss and evaluate the proposed 3He alternative materials and technologies. The effort involved a series of two workshops focused on detailed overviews and viability assessments of various 3He alternative technologies for use in nuclear safeguards applications. The key objective was to provide a platform for collaborative discussions and technical presentations organized in a compact, workshop-like format to stimulate interactions among the participants. The meetings culminated in a benchmark exercise providing a unique opportunity for the first inter-comparison of several available alternative technologies. This report provides an overview of the alternative technology efforts presented during the two workshops along with a summary of the benchmarking activities and results. The workshop recommendations and key consensus observations are discussed in the report, and used to outline a proposed path forward and future needs foreseeable in the area of 3

  1. Refractory status epilepticus and glutamic acid decarboxylase antibodies in adults: presentation, treatment and outcomes.

    Science.gov (United States)

    Khawaja, Ayaz M; Vines, Brannon L; Miller, David W; Szaflarski, Jerzy P; Amara, Amy W

    2016-03-01

    Glutamic acid decarboxylase antibodies (GAD-Abs) have been implicated in refractory epilepsy. The association with refractory status epilepticus in adults has been rarely described. We discuss our experience in managing three adult patients who presented with refractory status epilepticus associated with GAD-Abs. Case series with retrospective chart and literature review. Three patients without pre-existing epilepsy who presented to our institution with generalized seizures between 2013 and 2014 were identified. Seizures proved refractory to first and second-line therapies and persisted beyond 24 hours. Patient 1 was a 22-year-old female who had elevated serum GAD-Ab titres at 0.49 mmol/l (normal: status epilepticus. Causation cannot be established since GAD-Abs may be elevated secondary to concurrent autoimmune diseases or formed de novo in response to GAD antigen exposure by neuronal injury. Based on this report and available literature, there may be a role for immuno- and chemotherapy in the management of refractory status epilepticus associated with GAD-Abs.

  2. Use of permanent magnets in accelerator technology: Present and future

    International Nuclear Information System (INIS)

    Halbach, K.

    1987-05-01

    This report is a collection of viewgraphs discussing accelerator magnets. Permanent magnet systems have some generic properties that, under some circumstances, make them not only mildly preferable over electromagnets, but make it possible to do things that can not be done with any other technology. After a general discussion of these generic advantages, some specific permanent magnet systems will be described. Special emphasis will be placed on systems that have now, or are likely to have in the future, a significant impact on how some materials research is conducted. 4 refs., 33 figs

  3. Advanced secondary batteries: Their applications, technological status, market and opportunity

    Science.gov (United States)

    Yao, M.

    1989-03-01

    Program planning for advanced battery energy storage technology is supported within the NEMO Program. Specifically this study had focused on the review of advanced battery applications; the development and demonstration status of leading battery technologies; and potential marketing opportunity. Advanced secondary (or rechargeable) batteries have been under development for the past two decades in the U.S., Japan, and parts of Europe for potential applications in electric utilities and for electric vehicles. In the electric utility applications, the primary aim of a battery energy storage plant is to facilitate peak power load leveling and/or dynamic operations to minimize the overall power generation cost. In the application for peak power load leveling, the battery stores the off-peak base load energy and is discharged during the period of peak power demand. This allows a more efficient use of the base load generation capacity and reduces the need for conventional oil-fired or gas-fire peak power generation equipment. Batteries can facilitate dynamic operations because of their basic characteristics as an electrochemical device capable of instantaneous response to the changing load. Dynamic operating benefits results in cost savings of the overall power plant operation. Battery-powered electric vehicles facilitate conservation of petroleum fuel in the transportation sector, but more importantly, they reduce air pollution in the congested inner cities.

  4. EMOTIONAL SELF-PRESENTATION ON WHATSAPP: ANALYSIS OF THE PROFILE STATUS

    Directory of Open Access Journals (Sweden)

    Кармен Маис-Аревало

    2018-12-01

    Full Text Available Self-presentation can be defined as “the process through which individuals communicate an image of themselves to others” (Yang and Brown, 2015: 404 and it is an essential part of human communication. Self-presentation has been widely studied both in face-to-face communication and online. Most online research, however, has focused on social networking sites, blogs, chatrooms, etc. while less attention has been paid to other online means of communication such as WhatsApp despite the growing im-portance of WhatsApp as a means of communication. The present paper aims to redress this imbalance by analysing self-presentation on WhatsApp; more specifically, by paying attention to emotional self-pre-sentation in profile status. To that purpose, a corpus of 206 WhatsApp statuses was gathered in Spanish. Results show the existence of recurrent patterns connected to variables such as sex1 or age, which play a crucial role in determining the emotions users choose to display in their profile status.

  5. ITER and the fusion reactor: status and challenge to technology

    International Nuclear Information System (INIS)

    Lackner, K.

    2001-01-01

    Fusion has a high potential, but requires an integrated physics and technology effort without precedence in non-military R and D, the basic physics feasibility demonstration will be concluded with ITER, although R and D for efficiency improvement will continue. The essential technological issues remaining at the start of ITER operation concern materials questions: first wall components and radiation tolerant (low activation materials). This paper comprised just the copy of the slides presentation with the following subjects: magnetic confinement fusion, the Tokamak, progress in Tokamak performance, ITER: its geneology, physics basis-critical issues, cutaway of ITER-FEAT, R and D - divertor cassette (L-5), differences power plant-ITER, challenges for ITER and fusion plants, main technological problems (plasma facing materials), structural and functional materials for fusion power plants, ferritic steels, EUROFER development, improvements beyond ferritic steels, costing among others. (nevyjel)

  6. De-novo simple partial status epilepticus presenting as Wernicke's aphasia.

    Science.gov (United States)

    Patil, Bhimanagouda; Oware, Agyepong

    2012-04-01

    Language disturbances manifesting as brief periods of speech arrest occur with seizures originating in the frontal or temporal lobes. These language disturbances are usually present with other features of seizures or may occur in an episodic fashion suggesting their likely epileptic origin. Sustained but reversible aphasia as the sole manifestation of partial status epilepticus is rare, particularly without a history of prior seizures. A few cases have been described in the literature where Broca's or mixed aphasia seems to be more common than Wernicke's aphasia. Here we describe a patient who presented with Wernicke's aphasia secondary to simple partial status epilepticus but without any other features of seizures. The diagnosis was confirmed on EEG and the aphasia reversed after antiepileptic treatment. Copyright © 2011 British Epilepsy Association. Published by Elsevier Ltd. All rights reserved.

  7. Spinning-disk confocal microscopy: present technology and future trends.

    Science.gov (United States)

    Oreopoulos, John; Berman, Richard; Browne, Mark

    2014-01-01

    Live-cell imaging requires not only high temporal resolution but also illumination powers low enough to minimize photodamage. Traditional single-point laser scanning confocal microscopy (LSCM) is generally limited by both the relatively slow speed at which it can acquire optical sections by serial raster scanning (a few Hz) and the higher potential for phototoxicity. These limitations have driven the development of rapid, parallel forms of confocal microscopy, the most popular of which is the spinning-disk confocal microscope (SDCM). Here, we briefly introduce the SDCM technique, discuss its strengths and weaknesses against LSCM, and update the reader on some recent developments in SDCM technology that improve its performance and expand its utility for life science research now and in the future. © 2014 Elsevier Inc. All rights reserved.

  8. Present status of the NIRS-ECR ion source for the HIMAC

    International Nuclear Information System (INIS)

    Kitagawa, A.; Matsushita, H.; Shibuya, S.

    1995-01-01

    The present status of NIRS-ECR ion source for the Heavy Ion Medical Accelerator in Chiba (HIMAC) at National Institute of Radiological Sciences (NIRS) is reported. The beam intensity of the NIRS-ECR was increased by modifications on the magnetic field structure, chamber cooling system, vacuum conductance and the extraction configuration. The output current of Ar 6+ reached 365 eμA after improvements. The good stability, easy operation, and good reproducibility were realized. (author)

  9. Present status of radiation processing and its future development by using electron accelerator in Vietnam

    International Nuclear Information System (INIS)

    Tran Khac An; Tran Tich Canh; Doan Binh; Nguyen Quoc Hien

    2003-01-01

    In Vietnam, studies on Radiation Processing have been carried out since 1983. Some results are applicable in the field of agriculture, health and foodstuff, some researches were developed to commercial scale and others have high potential for development by using electron accelerator. The paper offers the present status of radiation processing and also give out the growing tendency of using electron accelerator in the future. (author)

  10. Marital status and outcome of patients presenting with acute coronary syndrome: an observational report.

    Science.gov (United States)

    Hadi Khafaji, Hadi A R; Al Habib, Khalid; Asaad, Nidal; Singh, Rajvir; Hersi, Ahmad; Al Falaeh, Husam; Al Saif, Shukri; Al-Motarreb, Ahmed; Almahmeed, Wael; Sulaiman, Kadhim; Amin, Haitham; Al-Lawati, Jawad; Al-Sagheer, Norah Q; Alsheikh-Ali, Alawi A; Al Suwaidi, Jassim

    2012-12-01

    BACKGROUND & HYPOTHESIS: Data on the clinical characteristics and outcome of patients presenting with acute coronary syndrome (ACS) according to their marital status is not clear. A total of 5334 patients presenting with ACS in 65 hospitals in 6 Middle East countries in the 2nd Gulf Registry of Acute Coronary Events (Gulf RACE-2) were studied according to their marital status (5024 married, 100 single, and 210 widowed patients). When compared to married patients, widowed patients were older and more likely to be female. Widowed patients were more likely to have diabetes mellitus, hypertension, history of heart failure, and peripheral vascular disease and were less likely to be tobacco users when compared to the other groups. Widowed patients were also more likely to present with atypical symptoms and have advanced Killip class. Widowed patients were more likely to present with non-ST-elevation myocardial infarction (NSTEMI) when compared to the other 2 groups. Widowed patients were more likely to have heart failure (P = 0.001), cardiogenic shock (P = 0.001), and major bleeding (P = 0.002) when compared to the other groups. No statistically significant difference was observed in regard to duration of hospital stay, door to needle time in STEMI patients, or cardiac arrhythmias between the various groups. Widowed patients had higher in-hospital, 30-day, and 1-year mortality rates (P = 0.001). Marital status was an independent predictor for in-hospital mortality. Widowed marital status was associated with worse cardiovascular risk profile, and worse in-hospital and 1-year outcome. Future work should be focused on whether the provision of psychosocial support will result in improved outcomes among this high-risk group. © 2012 Wiley Periodicals, Inc.

  11. Present status and future prospects for a Higgs boson discovery at the Tevatron and LHC

    International Nuclear Information System (INIS)

    Haber, Howard E

    2010-01-01

    Discovering the Higgs boson is one of the primary goals of both the Tevatron and the Large Hadron Collider (LHC). The present status of the Higgs search is reviewed and future prospects for discovery at the Tevatron and LHC are considered. This talk focuses primarily on the Higgs boson of the Standard Model and its minimal supersymmetric extension. Theoretical expectations for the Higgs boson and its phenomenological consequences are reviewed.

  12. Present status of radiation processing and its future development by using electron accelerator in Vietnam

    Energy Technology Data Exchange (ETDEWEB)

    Tran Khac An; Tran Tich Canh; Doan Binh [Research and Development Center for Radiation Technology (VINAGAMMA), Ho Chi Minh (Viet Nam); Nguyen Quoc Hien [Nuclear Research Institute (NRI), Dalat (Viet Nam)

    2003-02-01

    In Vietnam, studies on Radiation Processing have been carried out since 1983. Some results are applicable in the field of agriculture, health and foodstuff, some researches were developed to commercial scale and others have high potential for development by using electron accelerator. The paper offers the present status of radiation processing and also give out the growing tendency of using electron accelerator in the future. (author)

  13. Current status and application of fine screening technology in China

    Science.gov (United States)

    Chernova, E. V.; Chernov, D. V.

    2017-10-01

    The paper presents data on the design and technical parameters of high frequency vibrating screens, which are produced by Chinese manufacturer - company Landsky Tech Ltd. The technology of high frequency vibration is widely used at mining and metallurgical industries to separate fine and ultra-fine particles from the flow of dry material or pulp. The paper contains different types of screening systems, description, advantages and disadvantages of equipment and test results from mineral processing plants.

  14. Status of high-temperature heat-pipe technology

    International Nuclear Information System (INIS)

    Ranken, W.A.

    1982-01-01

    This paper discusses the application of heat pipes to nuclear reactor space power systems. Characteristics of the device that favor such an application are described and recent results of current technology development programs are presented. Research areas that will need to be addressed in demonstrating that adequate lifetimes can be achieved with evaporation/condensation cycles operating at high temperatures in a reactor environment are also discussed

  15. Micropropagation of bulbous crops: technology and present state

    NARCIS (Netherlands)

    Klerk, de G.J.M.

    2012-01-01

    Conventional propagation of bulbous crops must be supplemented with micropropagation to satisfy the requirements of present-day horticulture with respect to fast production of disease-free, superior starting material. Adequate micropropagation protocols for bulbous crops are therefore a sine qua

  16. Status of development on simulation technology for pyrochemical reprocessing

    International Nuclear Information System (INIS)

    Arie, Kazuo; Mizuguchi, Koji; Fujita, Reiko

    2004-01-01

    Simulation techniques for the elemental behaviors in the pyrochemical reprocessing process of spent nuclear fuels are important for fuel reprocessing and future power station development. The authors developed a simulation code SPR1.0 which can analyze co-occurring electrochemical and chemical reactions simultaneously and which is applicable to know the behavior of any element in the system. The present report describes the status of the code development, the database for fundamental electrochemical reactions, and verification of the code. The code employs TRIAS code for electrochemical reactions and SOLGASMIX-PV for chemical reactions. Electrolytic process for MOX (mixed oxide) fuels with different Pu redox ratios were simulated using the present code and the effect of introducing iron ions was studied. The prospect of future development is also described. (S. Ohno)

  17. LNG - Status in Denmark. Technology and potential. Project report

    Energy Technology Data Exchange (ETDEWEB)

    Naeslund, M.

    2012-05-15

    The interest for LNG both on a small and a large scale is increasing worldwide. The experiences and knowledge on LNG is limited in Denmark. The Danish gas companies' Technical Management Group (TCG) has asked for a status report including a technology description and an evaluation of the potential in Denmark. A survey of primarily small-scale LNG technology is done in the report. The focus is motivated by the new areas of gas utilisation that become possible with small-scale LNG. Small-scale LNG in this study is defined as LNG stored and used at the application or in an isolated gas grid. The small-scale use of LNG has today an almost negligible share of the total LNG trade but offers interesting new applications for gas utilisation. LNG on a small scale can be used primarily as: 1) Ship fuel. 2) Truck fuel (heavy duty long distance). 3) Individual users not connected to the natural gas grid. 4) Backup for upgraded biogas to individual users and vehicle fleets. 5) Security of supply or supply enhancement of heavily loaded parts of the gas grid. 6) Small-scale storage and/or peak shaving. All but the first topics are natural uses for the current Danish gas distributors. LNG as ship fuel may engage other specialized LNG companies. The report contains a technical description of the parts in primarily small-scale LNG handling and operation. Liquefaction, transport, storage, engine technologies, gas quality and safety aspects related to LNG are covered. There seem to be two more or less separate paths for LNG in Denmark, onshore and off-shore use. These are not, apparently, sharing their experiences and knowledge. Rules and regulations are also different which may create some problems in the interface, for example ship bunkering. Further studies are suggested in the area of gas quality and engine technologies and adaptation of foreign guidelines for small-scale installations to Danish conditions. These guidelines ought to be based on international standards and

  18. QUALITY ASSURANCE IN SECONDARY EDUCATION PROGRAME OF BANGLADESH OPEN UNIVERSITY: Present Status and Challenges

    Directory of Open Access Journals (Sweden)

    Zobaida AKHTER

    2008-04-01

    Full Text Available In the present day in national and international perspectives, quality is the top of most agendas. Quality of education has significant impact and invaluable contribution to the area of development. Recently, the SSC & HSC program of BOU have earned recognition of equivalency with the formal education sector, which has naturally raised the question of quality assurance of these programs By applying the quantitative method, the study has assessed the present status of the quality of SSC & HSC program of BOU and also put some recommendations to meet the challenges for further development.

  19. Present status and future perspective of research and test reactors in JAERI

    International Nuclear Information System (INIS)

    Baba, Osamu; Kaieda, Keisuke

    1999-01-01

    Since 1957, Japan Atomic Energy Research Institute (JAERI) has constructed several research and test reactors to fulfil a major role in the study of nuclear energy and fundamental research. At present, four reactors, the Japan Research Reactor No. 3 and No. 4 (JRR-3M and JRR-4 respectively), the Japan Materials Testing Reactor (JMTR) and the Nuclear Safety Research Reactor (NSRR), are in operation, and a new High Temperature Engineering Test Reactor (HTTR) has reached first criticality and is waiting for the power-up test. This paper introduce these reactors and describe their present operational status. The recent tendency of utilization and future perspectives are also reported. (author)

  20. Present status and future perspective of research and test reactors in JAERI

    Energy Technology Data Exchange (ETDEWEB)

    Baba, Osamu [Japan Atomic Energy Research Inst., Oarai, Ibaraki (Japan). Oarai Research Establishment; Kaieda, Keisuke

    1999-08-01

    Since 1957, Japan Atomic Energy Research Institute (JAERI) has constructed several research and test reactors to fulfil a major role in the study of nuclear energy and fundamental research. At present, four reactors, the Japan Research Reactor No. 3 and No. 4 (JRR-3M and JRR-4 respectively), the Japan Materials Testing Reactor (JMTR) and the Nuclear Safety Research Reactor (NSRR), are in operation, and a new High Temperature Engineering Test Reactor (HTTR) has reached first criticality and is waiting for the power-up test. This paper introduce these reactors and describe their present operational status. The recent tendency of utilization and future perspectives are also reported. (author)

  1. The Earthcare Cloud Profiling Radar, its PFM development status (Conference Presentation)

    Science.gov (United States)

    Nakatsuka, Hirotaka; Tomita, Eichi; Aida, Yoshihisa; Seki, Yoshihiro; Okada, Kazuyuki; Maruyama, Kenta; Ishii, Yasuyuki; Tomiyama, Nobuhiro; Ohno, Yuichi; Horie, Hiroaki; Sato, Kenji

    2016-10-01

    view, Doppler measurement from satellite is quite challenging Technology. In order to maintain and ensure the CPR performance, several types of calibration data will be obtained by CPR. Overall performance of CPR is checked by Active Radar Calibrator (ARC) equipped on the ground (CPR in External Calibration mode). ARC is used to check the CPR transmitter performance (ARC in receiver mode) and receiver performance (ARC in transmitter mode) as well as overall performance (ARC in transponder mode with delay to avoid the contamination with ground echo). In Japan, the instrument industrial Critical Design Review of the CPR was completed in 2013 and it was also complemented by an Interface and Mission aspects CPR CDR, involving ESA and the EarthCARE Prime, that was completed successfully in 2015. The CPR Proto-Flight Model is currently being tested with almost completion of Proto-Flight Model integration. After handed-over to ESA planned for the beginning of 2017, the CPR will be installed onto the EarthCARE satellite with the other instruments. After that the CPR will be tested, transported to Guiana Space Center in Kourou, French Guiana and launched by a Soyuz launcher in 2018. This presentation will show the summary of the latest CPR design and CPR PFM testing status.

  2. New Onset Refractory Status Epilepticus as an Unusual Presentation of a Suspected Organophosphate Poisoning

    Directory of Open Access Journals (Sweden)

    Shahan Waheed

    2014-01-01

    Full Text Available New onset refractory status epilepticus (NORSE is a new entity in medical literature. It has different infectious and noninfectious etiologies showing a devastating impact onto the clinical outcome of patients. Therapy with anaesthetic and antiepileptic agents often fails to improve the condition, unless the primary cause is rectified. Here is presented the case of a young female with a history of depression who after a recent bereavement came to the Emergency Department of Aga Khan University Hospital with complaints of drowsiness that lasted for few hours. Though she had no history of organophosphate poisoning, her physical examination and further investigations were suggestive of the diagnosis. During her hospital stay, she developed refractory status epilepticus. Her seizures did not respond to standard antiepileptic and intravenous anesthetic agents and subsided only after intravenous infusion of atropine for a few days. Organophosphate poisoning is a very common presentation in the developing world and the associated status epilepticus poses a devastating problem for emergency physicians. In patients with suspected organophosphate poisoning with favoring clinical exam findings, the continuation of atropine intravenous infusion can be a safe option to abate seizures.

  3. 2014 Water Power Program Peer Review: Marine and Hydrokinetic Technologies, Compiled Presentations (Presentation)

    Energy Technology Data Exchange (ETDEWEB)

    2014-02-01

    This document represents a collection of all presentations given during the EERE Wind and Water Power Program's 2014 Marine and Hydrokinetic Peer Review. The purpose of the meeting was to evaluate DOE-funded hydropower and marine and hydrokinetic R&D projects for their contribution to the mission and goals of the Water Power Program and to assess progress made against stated objectives.

  4. 2014 Water Power Program Peer Review: Hydropower Technologies, Compiled Presentations (Presentation)

    Energy Technology Data Exchange (ETDEWEB)

    2014-02-01

    This document represents a collection of all presentations given during the EERE Wind and Water Power Program's 2014 Hydropower Peer Review. The purpose of the meeting was to evaluate DOE-funded hydropower and marine and hydrokinetic R&D projects for their contribution to the mission and goals of the Water Power Program and to assess progress made against stated objectives.

  5. Status of advanced technology and design for water cooled reactors: Heavy water reactors

    International Nuclear Information System (INIS)

    1989-07-01

    In 1987 the IAEA established the International Working Group on Advanced Technologies for Water-Cooled Reactors (IWGATWR). Within the framework of the IWGATWR the IAEA Technical Report on Status of Advanced Technology and Design for Water Cooled Reactors, Part I: Light Water Reactors and Part II: Heavy Water Reactors, has been undertaken to document the major current activities and trends of technological improvement and development for future water reactors. Part I of the report dealing with Light Water Reactors (LWRs) was published in 1988 (IAEA-TECDOC-479). Part II of the report covers Heavy Water Reactors (HWRs) and has now been prepared. This report is based largely upon submissions from Member States. It has been supplemented by material from the presentations at the IAEA Technical Committee and Workshop on Progress in Heavy Water Reactor Design and Technology held in Montreal, Canada, December 6-9, 1988. It is hoped that this part of the report, containing the status of advanced heavy water reactor technology up to 1988 and ongoing development programmes will aid in disseminating information to Member States and in stimulating international cooperation. Refs, figs and tabs

  6. 75 FR 39664 - Grant of Authority For Subzone Status Materials Science Technology, Inc. (Specialty Elastomers...

    Science.gov (United States)

    2010-07-12

    ... Status Materials Science Technology, Inc. (Specialty Elastomers and Fire Retardant Chemicals) Conroe... specialty elastomer manufacturing and distribution facility of Materials Science Technology, Inc., located... and distribution of specialty elastomers and fire retardant chemicals at the facility of Materials...

  7. Presentation of the 10. European Event on Technology: technologies for a sustainable development; Presentation des 10. Entretiens Europeens de la Technologie: technologies pour un developpement durable

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2001-11-01

    The European Event on Technology (EET), is a major meeting on technologies, their evolution and their industrial and social implications. In less than a decade, sustainable development has become both an economic and a political priority. It was urgent and legitimate that those who are the mainsprings should take hold of the subject and give it technological content, estimate its costs and define clear timetables. The debates consist of: plenary sessions on environmental, social and economic stakes of sustainable development and the challenges for, and commitment of engineers, managers and politicians with respect to these goals; and workshops, which provide an overview on recently acquired or upcoming technologies developed by sector. These proceedings present several technologies of interest for the energy and environment sectors: Energy efficiency of buildings: towards energy autonomy; superconductors enable in new millennium for electric power industry; advanced gas micro-turbine-driven generator technology; environmental and technical challenges of an offshore wind farm; future nuclear energy system; transports and propulsion systems: modelling combustion in engines: progress and prospects for reducing emissions; on-board computers: reduction in consumption and emissions of engine-transmission units for vehicles; polymer-lithium batteries: perspectives for zero-emission traction; hybrid vehicles and energy/environmental optimization: paths and opportunities; fuel cells and zero-emission: perspectives and developments; urban goods transport: towards a drop in congestion and nuisance; new hybrid propulsion for buses: energy/environmental optimization; Tram-train: city-suburbs concept without transshipment; safety: computerization in controlling nuclear power plant processes (EPR architecture); refractory materials: a key factor for the increase in aero-turbo-engines output; the contribution of waste processing to the production of greenhouse gases; waste as a

  8. Present status of recycling waste mobile phones in China: a review.

    Science.gov (United States)

    Li, Jingying; Ge, Zhongying; Liang, Changjin; An, Ni

    2017-07-01

    A large number of waste mobile phones have already been generated and are being generated. Various countries around the world have all been positively exploring the way of recycling and reuse when facing such a large amount of waste mobile phones. In some countries, processing waste mobile phones has been forming a complete industrial chain, which can not only recycle waste mobile phones to reduce their negative influence on the environment but also turn waste into treasure to acquire economic benefits dramatically. However, the situation of recycling waste mobile phones in China is not going well. Waste mobile phones are not formally covered by existing regulations and policies for the waste electric and electronic equipment in China. In order to explore an appropriate system to recover waste mobile phones, the mobile phone production and the amount of waste mobile phones are introduced in this paper, and status of waste mobile phones recycling is described; then, the disposal technology of electronic waste that would be most likely to be used for processing of electronic waste in industrial applications in the near future is reviewed. Finally, rationalization proposals are put forward based on the current recovery status of waste mobile phones for the purpose of promoting the development of recycling waste mobile phones in developing countries with a special emphasis on China.

  9. The present status and future growth of maintenance in US manufacturing: results from a pilot survey.

    Science.gov (United States)

    Jin, Xiaoning; Siegel, David; Weiss, Brian A; Gamel, Ellen; Wang, Wei; Lee, Jay; Ni, Jun

    A research study was conducted (1) to examine the practices employed by US manufacturers to achieve productivity goals and (2) to understand what level of intelligent maintenance technologies and strategies are being incorporated into these practices. This study found that the effectiveness and choice of maintenance strategy were strongly correlated to the size of the manufacturing enterprise; there were large differences in adoption of advanced maintenance practices and diagnostics and prognostics technologies between small and medium-sized enterprises (SMEs). Despite their greater adoption of maintenance practices and technologies, large manufacturing organizations have had only modest success with respect to diagnostics and prognostics and preventive maintenance projects. The varying degrees of success with respect to preventative maintenance programs highlight the opportunity for larger manufacturers to improve their maintenance practices and use of advanced prognostics and health management (PHM) technology. The future outlook for manufacturing PHM technology among the manufacturing organizations considered in this study was overwhelmingly positive; many manufacturing organizations have current and planned projects in this area. Given the current modest state of implementation and positive outlook for this technology, gaps, future trends, and roadmaps for manufacturing PHM and maintenance strategy are presented.

  10. Proceeding of the Scientific Meeting and Presentation on Accelerator Technology and its Application

    International Nuclear Information System (INIS)

    Sudjatmoko; Anggraita, P.; Darsono; Sudiyanto; Kusminarto; Karyono

    1999-07-01

    The proceeding contains papers presented on Scientific Meeting and Presentation on Accelerator Technology and Its Application, held in Yogyakarta, 16 january 1996. This proceeding contains papers on accelerator technology, especially electron beam machine. There are 11 papers indexed individually. (ID)

  11. Status Report of National Radiation Fusion Technology R and D

    International Nuclear Information System (INIS)

    Lee, Young Cheol; Woo, Byun Myung; Koo, Hwang Duk

    2007-07-01

    Although RT Industry now occupy the high portion of world market size, about $500 billions, it would be expanded steeply to U$1,100 billions in 2010, and U$4 trillions in 2030 when using PV (present value) methodology. But domestic RT industry is the level of 'the dawn stage'. Recently, individual government department begins to perceive the importance of RT industry. In order to promote Domestic RT technology and industry as a growth dynamic of next generation of 21 century, - Intensive R and D investment policy driven by the Ministry of Science and Technology - In the side of efficient allocation of resources, centralizing in national professional research institute and bringing to effect is desirable

  12. Clean Coal Technologies in China: Current Status and Future Perspectives

    Directory of Open Access Journals (Sweden)

    Shiyan Chang

    2016-12-01

    Full Text Available Coal is the dominant primary energy source in China and the major source of greenhouse gases and air pollutants. To facilitate the use of coal in an environmentally satisfactory and economically viable way, clean coal technologies (CCTs are necessary. This paper presents a review of recent research and development of four kinds of CCTs: coal power generation; coal conversion; pollution control; and carbon capture, utilization, and storage. It also outlines future perspectives on directions for technology research and development (R&D. This review shows that China has made remarkable progress in the R&D of CCTs, and that a number of CCTs have now entered into the commercialization stage.

  13. Present status of unsealed radioisotope therapy in Japan based on the nation-wide questionnaire

    International Nuclear Information System (INIS)

    Oyamada, Hiyoshimaru

    1999-01-01

    In Japan, clinical application of unsealed radioisotopes is strictly regulated. Especially in the field of therapy, we are allowed to use only Na 131 I at present. Under such circumstances, the present status of therapeutic nuclear medicine in Japan was surveyed by means of a nation-wide questionnaire, conducted in 193 hospitals. Then, 113 hospitals replied to such questionnaire (recovery rate: 58.5%), and it was found that in 77 hospitals, radioisotope therapy is being performed for Graves' disease and/or thyroid cancer. The questionnaire covered the following points: for Graves' disease-the basic strategy of 131 I therapy, its indications, absorbed doses planned to be given, whether the therapy had been conducted on outpatient basis or in-patient basis, method of thyroid weight estimation, interval of administration in case of multiple doses, number of patients treated per year (1996) etc., and for thyroid cancer-strategy for thyroid remnant, the doses to be given, the maximum doses permitted by the authorities in each hospital both per day and per year, handling of highly contaminated urine in each hospital, interval of administration in case of multiple doses, number of patients treated per year (1996) etc. Also questioned were dissatisfaction with the present regulation by the authorities and/or requests for the better daily work, if any. Based on the above questionnaire, the present status of unsealed radioisotope therapy in Japan was investigated. (author)

  14. Detailed study of transmutation scenarios involving present day reactor technologies

    International Nuclear Information System (INIS)

    2003-01-01

    This document makes a detailed technical evaluation of three families of separation-transmutation scenarios for the management of radioactive wastes. These scenarios are based on 2 parks of reactors which recycle plutonium and minor actinides in an homogeneous way. A first scenario considers the multi-recycling of Pu and Np and the mono-recycling of Am and Cm using both PWRs and FBRs. A second scenario is based on PWRs only, while a third one considers FBRs only. The mixed PWR+FBR scenario requires innovative options and gathers more technical difficulties due to the americium and curium management in a minimum flux of materials. A particular attention has been given to the different steps of the fuel cycle (fuels and targets fabrication, burnup, spent fuel processing, targets management). The feasibility of scenarios of homogeneous actinides recycling in PWRs-only and in FBRs-only has been evaluated according to the results of the first scenario: fluxes of materials, spent fuel reprocessing by advanced separation, impact of the presence of actinides on PWRs and FBRs operation. The efficiency of the different scenarios on the abatement of wastes radio-toxicity is presented in conclusion. (J.S.)

  15. Technology readiness levels and technology status for selected long term/high payoff technologies on the RLV program

    Science.gov (United States)

    Rosmait, Russell L.

    1996-01-01

    The development of a new space transportation system in a climate of constant budget cuts and staff reductions can be and is a difficult task. It is no secret that NASA's current launching system consumes a very large portion of NASA funding and requires a large army of people to operate & maintain the system. The new Reusable Launch Vehicle (RLV) project and it's programs are faced with a monumental task of making the cost of access to space dramatically lower and more efficient than NASA's current system. With pressures from congressional budget cutters and also increased competition and loss of market share from international agencies RLV's first priority is to develop a 'low-cost, reliable transportation to earth orbit.' One of the RLV's major focus in achieving low-cost, reliable transportation to earth orbit is to rely on the maturing of advanced technologies. The technologies for the RLV are numerous and varied. Trying to assess their current status, within the RLV development program is paramount. There are several ways to assess these technologies. One way is through the use of Technology Readiness Levels (TRL's). This project focused on establishing current (summer 95) 'worst case' TRL's for six selected technologies that are under consideration for use within the RLV program. The six technologies evaluated were Concurrent Engineering, Embedded Sensor Technology, Rapid Prototyping, Friction Stir Welding, Thermal Spray Coatings, and VPPA Welding.

  16. Status of barium studies in the present era of oncology: Are they a history?

    Science.gov (United States)

    Mahajan, Abhishek; Desai, Subash; Sable, Nilesh Pandurang; Thakur, Meenakshi Haresh

    2016-01-01

    With the advent of the modern imaging technologies, the present era of oncology is seeing steady decline in requests for barium studies due to the many reasons. It is prudent to mention here, that, barium examinations cannot be made obsolete! Our aim to preserve the age old technique of barium studies not only to keep it going on but also for the betterment and appropriate management of the patient. Our goal is not to "save" barium studies simply to keep this technology alive, per se, but rather to preserve barium radiology for the quality in patient care.

  17. Status of health and environmental research relative to coal gasification 1976 to the present

    Energy Technology Data Exchange (ETDEWEB)

    Wilzbach, K.E.; Reilly, C.A. Jr. (comps.)

    1982-10-01

    Health and environmental research relative to coal gasification conducted by Argonne National Laboratory, the Inhalation Toxicology Research Institute, and Oak Ridge National Laboratory under DOE sponsorship is summarized. The studies have focused on the chemical and toxicological characterization of materials from a range of process streams in five bench-scale, pilot-plant and industrial gasifiers. They also address ecological effects, industrial hygiene, environmental control technology performance, and risk assessment. Following an overview of coal gasification technology and related environmental concerns, integrated summaries of the studies and results in each area are presented and conclusions are drawn. Needed health and environmental research relative to coal gasification is identified.

  18. Presentation

    Directory of Open Access Journals (Sweden)

    Eduardo Vicente

    2013-06-01

    Full Text Available In the present edition of Significação – Scientific Journal for Audiovisual Culture and in the others to follow something new is brought: the presence of thematic dossiers which are to be organized by invited scholars. The appointed subject for the very first one of them was Radio and the invited scholar, Eduardo Vicente, professor at the Graduate Course in Audiovisual and at the Postgraduate Program in Audiovisual Media and Processes of the School of Communication and Arts of the University of São Paulo (ECA-USP. Entitled Radio Beyond Borders the dossier gathers six articles and the intention of reuniting works on the perspectives of usage of such media as much as on the new possibilities of aesthetical experimenting being build up for it, especially considering the new digital technologies and technological convergences. It also intends to present works with original theoretical approach and original reflections able to reset the way we look at what is today already a centennial media. Having broadened the meaning of “beyond borders”, four foreign authors were invited to join the dossier. This is the first time they are being published in this country and so, in all cases, the articles where either written or translated into Portuguese.The dossier begins with “Radio is dead…Long live to the sound”, which is the transcription of a thought provoking lecture given by Armand Balsebre (Autonomous University of Barcelona – one of the most influential authors in the world on the Radio study field. It addresses the challenges such media is to face so that it can become “a new sound media, in the context of a new soundscape or sound-sphere, for the new listeners”. Andrew Dubber (Birmingham City University regarding the challenges posed by a Digital Era argues for a theoretical approach in radio studies which can consider a Media Ecology. The author understands the form and discourse of radio as a negotiation of affordances and

  19. Current status of technology development for fabrication of Indian Test Blanket Module (TBM) of ITER

    Energy Technology Data Exchange (ETDEWEB)

    Jayakumar, T., E-mail: tjk@igcar.gov.in [Metallurgy and Materials Group, Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam 603102 (India); Rajendra Kumar, E. [TBM Division, Institute for Plasma Research (IPR), Bhat, Gandhinagar 382428 (India)

    2014-10-15

    Highlights: • Status of technology developments for Indian TBM to be installed in ITER is presented. • Procedure development for EB, laser and laser-hybrid welding of RAFM steel presented. • Filler wires for RAFM steel for TIG, NG-TIG and laser-hybrid welding have been developed. • Feasibility of production of channel plate by HIP technology has been demonstrated. - Abstract: Ever since India decided to install its Lead-Lithium Ceramic Breeder (LLCB) TBM in ITER, various technologies for fabrication of Indian TBM are being pursued by IPR and IGCAR, in collaboration with various research laboratories in India. Welding consumables for joining India specific RAFM steels (IN-RAFMS), procedures for hot isostatic pressing, electron beam welding, laser and laser-hybrid welding have been developed. Considering the complex nature and limited access available for inspection, innovative inspection procedures that involved use of phased array ultrasonic and C-scan imaging are also being pursued. This paper presents the current status of these developments and provides a roadmap for the future activities planned in realizing Indian TBM for testing in ITER.

  20. Remote participation technologies in the EFDA Laboratories - status and prospects

    International Nuclear Information System (INIS)

    Schmidt, V.; How, J.A.

    2003-01-01

    More than 25 laboratories of the European Fusion Development Agreement (EFDA) have been increasingly using remote participation (RP) technologies for collaborative work on several experiments. We present an overview of the technologies that are employed to provide remote data access, remote computer access, and tele-conference. We also deal with computer network requirements, and support and documentation needs. The biggest application of these tools has been the joint scientific exploitation of the JET Facilities. Increasingly other experiments are operated as shared facilities, and the RP tools are being used in this context. For remote data access there is a clear trend towards MDSplus as common data access layer for multi-experiment data access. Secure Remote Computer access is converging on two different solutions. Video-conference is also converging on two partially inter-operable solutions, whereas the sharing of presentation material is converging on one solution. Remote Control Room participation is being used in two laboratories. Network monitoring has been developed and is now in routine use. The RP work is being done at many laboratories and is co-ordinated by EFDA. A number of items in several fields need still to be tackled and an overview of these is presented. (authors)

  1. Remote participation technologies in the EFDA Laboratories - status and prospects

    Energy Technology Data Exchange (ETDEWEB)

    Schmidt, V. [Associazione EURATOM-ENEA sulla Fusione, Consorzio RFX, Padova (Italy); How, J.A. [Association Euratom-CEA Cadarache, 13 - Saint-Paul-lez-Durance (France). Dept. de Recherches sur la Fusion Controlee

    2003-07-01

    More than 25 laboratories of the European Fusion Development Agreement (EFDA) have been increasingly using remote participation (RP) technologies for collaborative work on several experiments. We present an overview of the technologies that are employed to provide remote data access, remote computer access, and tele-conference. We also deal with computer network requirements, and support and documentation needs. The biggest application of these tools has been the joint scientific exploitation of the JET Facilities. Increasingly other experiments are operated as shared facilities, and the RP tools are being used in this context. For remote data access there is a clear trend towards MDSplus as common data access layer for multi-experiment data access. Secure Remote Computer access is converging on two different solutions. Video-conference is also converging on two partially inter-operable solutions, whereas the sharing of presentation material is converging on one solution. Remote Control Room participation is being used in two laboratories. Network monitoring has been developed and is now in routine use. The RP work is being done at many laboratories and is co-ordinated by EFDA. A number of items in several fields need still to be tackled and an overview of these is presented. (authors)

  2. Present status and future plan of the research using HIMAC of NIRS

    International Nuclear Information System (INIS)

    Kawachi, Kiyomitsu

    1996-01-01

    The Heavy Ion Medical Accelerator in Chiba (HIMAC) was completed in 1993, and since June of 1994 heavy ion therapy has made a new start at this facility after closed-down of the BEVALAC accelerator at LBL in Berkeley, California in 1992. The HIMAC is also opened for the researchers of outside of NIRS as well as the clinical trial of the heavy ion therapy. In this report, I will describe on the present status of HIMAC facility, the beam characteristics and the future developments of HIMAC. (author)

  3. Present status of NMCC and sample preparation method for bio-samples

    International Nuclear Information System (INIS)

    Futatsugawa, S.; Hatakeyama, S.; Saitou, S.; Sera, K.

    1993-01-01

    In NMCC(Nishina Memorial Cyclotron Center) we are doing researches on PET of nuclear medicine (Positron Emission Computed Tomography) and PIXE analysis (Particle Induced X-ray Emission) using a small cyclotron of compactly designed. The NMCC facilities have been opened to researchers of other institutions since April 1993. The present status of NMCC is described. Bio-samples (medical samples, plants, animals and environmental samples) have mainly been analyzed by PIXE in NMCC. Small amounts of bio-samples for PIXE are decomposed quickly and easily in a sealed PTFE (polytetrafluoroethylene) vessel with a microwave oven. This sample preparation method of bio-samples also is described. (author)

  4. Present status of brachytherapy using Co-RALS in the national hospital and sanatorium in Japan

    International Nuclear Information System (INIS)

    Uno, Takashi; Itami, Jun; Abe, Yoshihisa; Dokiya, Takushi; Yorozu, Atsunori; Nishio, Masamichi; Hata, Yoshihiro; Ogita, Mikio

    1998-01-01

    The present status of brachytherapy using Co-RALS machine in the national hospital and sanatorium were investigated, by a questionnaire method. Questionnaire concerned about the equipment, machine trouble, patient population, together with the stuff of each department. Most of the Co-RALS machines were introduced between 1982 and 1987. Quality of Co-RALS treatment is questionable in several hospitals which lacks radiation therapy personnel. Number of patients treated per year are too small to sustain the cost of Ir-HDR treatment. It is concluded that introduction of Ir-HDR machine should be considered for small number of hospitals where patients population and personnel scale are sufficient. (author)

  5. Present status of spallation target development. JAERI/KEK Joint Project

    International Nuclear Information System (INIS)

    Hino, R.; Kaminaga, M.; Haga, K.

    2001-01-01

    The Japan Atomic Energy Research Institute (JAERI) and the High Energy Accelerator Research Organization (KEK) are promoting a plan to construct a neutron scattering facility under the JAERI/KEK Joint Project. Design and R and D works are being carried out vigorously for realizing the mercury target system consisting of the mercury target, moderators and reflectors working as a spallation neutron source, as well as a remote handling system for exchanging such components which will be highly irradiated. This report introduces an outline of the present status of design and development activities on the spallation target system. (author)

  6. SigmaCalc recent development and present status of the evaluated cross-sections for IBA

    Energy Technology Data Exchange (ETDEWEB)

    Gurbich, A.F.

    2016-03-15

    A new version of the SigmaCalc Internet site ( (http://sigmacalc.iate.obninsk.ru)) intended to provide evaluated differential cross-sections for spectra simulation is presented. Results of the revision of previously evaluated cross-sections and new evaluations including data for PIGE were made available to the IBA community through a simple interface. New SigmaCalc features allow users to compare evaluated differential cross-sections with the available results of the cross-section measurements taken on-the-fly from the IBANDL database and to validate them against benchmarks. The current status of the evaluated cross-sections for IBA is discussed.

  7. AMS using 14UD Pelletron at TIFR, Mumbai: present status and future prospects

    International Nuclear Information System (INIS)

    Surendran, P.; Gupta, A.K.; Nair, J.P.; Mahata, K.; Shrivastava, A.; Yadav, M.L.; Sparrow, H.; Thomas, R.G.; Bhagwat, P.V.; Kailas, S.; Kale, R.M.

    2011-01-01

    The AMS (Accelerator Mass Spectrometry) is a versatile tool employed in multidisciplinary programmes. The AMS programme at the BARC-TIFR 14UD Pelletron accelerator has been initiated with major emphasis on the determination of 36 Cl concentration in environment in general and water samples in particular. Preliminary measurements related to detection of 129 I have been carried out in recent past. The system used for AMS measurement is based on a 14 MV Tandem Accelerator. In this paper, the status and future prospects of AMS programme at BARC-TIFR Pelletron Accelerator Facility are presented

  8. Overview on collision processes of highly charged ions with atoms present status and problems

    International Nuclear Information System (INIS)

    Janev, R.K.

    1983-05-01

    This paper provides a brief discussion on the present status of the collision physics of highly charged ions with atoms. The emphasis is on the main achievements in understanding and describing the most important collision processes, and as charge transfer, ionization and Auger-type processes, and even more on those open problems which, due either to their scientific or practical importance, represent challenges to current research in this field. The paper concentrates on general ideas and problems whose development and solutions have advanced or will advance our basic understanding of the collision dynamics of multiply charged ions with atoms

  9. The present status of medical physics education and training in Europe: an EFOMP survey

    DEFF Research Database (Denmark)

    Eudaldo, T.; Olsen, K.

    2008-01-01

    The aim of this work is to present the results of an EFOMP's survey on the status of Education and Training of Medical Physics in Europe. This survey has been undertaken by EFOMP in 2005, to update the document "Policy Statement No. 1", which represents the starting point of the EFOMP recommendat......The aim of this work is to present the results of an EFOMP's survey on the status of Education and Training of Medical Physics in Europe. This survey has been undertaken by EFOMP in 2005, to update the document "Policy Statement No. 1", which represents the starting point of the EFOMP...... recommendations on Education and Training in Medical Physics. Ultimate results have been collected at the end of 2006. To perform the survey, a questionnaire was sent to 34 National Member Organisations (NMOs) for Medical Physics, to collect information on the present state of education and training in each...... European country. Twenty-five countries participated in the enquiry and responded to it. The most outstanding results are as follows: In all countries, the basic requirement to enter the Medical Physics education is a university degree. The length of this university education ranges from 2 to 5 years...

  10. Present status of doctors' awareness for radiation-induced carotid artery disease in Japan

    International Nuclear Information System (INIS)

    Taguchi, Yoshiharu; Takashima, Shutaro; Tanaka, Kortaro

    2013-01-01

    Radiation-induced carotid artery disease (RCAD) often develops in patients who have received neck radiotherapy for the treatment of various malignant tumors. However, the doctors who ordered or performed neck radiotherapy seem to pay little attention to RCAD which may subsequently occur, and the present status of the awareness in these doctors for RCAD is unclear in Japan. Therefore, we conducted a questionnaire survey of the present status of these doctors' awareness for RCAD. A questionnaire form regarding the recognition of RCAD was sent to 368 departments of otolaryngology, oral surgery, or radiology of university hospitals in Japan. Responses to the questionnaire were received from 213 of the 368 departments of otolaryngology, oral surgery or radiology of university hospitals (response collection rate: 57.9%). One hundred and sixty-one departments (75.9%) were aware of the existence of RCAD, but only 20 departments (9.4%) conducted regular examinations for RCAD after neck radiotherapy such as ultrasound neck echography and MR angiography. Only 6.3% departments took preventive measures for RCAD such as reduction in radiation dose or administration of antiplatelets. The present survey revealed that many patients who had undergone neck radiotherapy for the treatment of malignancy did not receive proper medical attention for RCAD in Japan. Healthcare providers should be given adequate education about RCAD including its risk factors, possible preventive measures, diagnostic modalities, and treatment. Furthermore, a systematic clinical network should be established in which stroke specialists conduct proper examinations for early diagnosis of RCAD. (author)

  11. Current status of 700 MWe class PHWR NSSS design and engineering technology

    International Nuclear Information System (INIS)

    Park, Tae Keun; Suh, Sung Ki

    1996-06-01

    The capability of NSSS design and engineering technology of KAERI for 700 MWe class PHWR (CANDU 6) as of 1996 March 30 is comprehensively summarized in this report. The design and engineering capability of KAERI which have been gained during the implementation of Wolsung 2, 3 and 4 project are assessed, and showed with tangible scale. The status of Technology Transfer Materials received from Atomic Energy of Canada Limited under the Technology Transfer Agreement (TTA) which is effective simultaneously to Wolsung 3 and 4 contract, is also given in this report. The division of responsibility (DOR) of KAERI for Wolsung 2 and Wolsung 3 and 4 contract is also given, and expansion of DOR from Wolsung 2 contract to Wolsung 3 and 4 is presented. 3 refs. (Author)

  12. HTR process heat applications, status of technology and economical potential

    International Nuclear Information System (INIS)

    Barnet, H.

    1997-01-01

    The technical and industrial feasibility of the production of high temperature heat from nuclear fuel is presented. The technical feasibility of high temperature heat consuming processes is reviewed and assessed. The conclusion is drawn that the next technological step for pilot plant scale demonstration is the nuclear heated steam reforming process. The economical potential of HTR process heat applications is reviewed: It is directly coupled to the economical competitiveness of HTR electricity production. Recently made statements and pre-conditions on the economic competitiveness in comparison to world market coal are reported. (author). 8 figs

  13. Status and prospects of fuel cell technology in Europe

    International Nuclear Information System (INIS)

    Van Dijkum

    1998-01-01

    Fuel Cells attract a lot of press attention today and an some example of a recent press heading is: ''Orders for Onsi's fuel cells hit $111 million''. The principle of fuel cell technology is explained and examples of realized applications given. In short: fuel cells can be used everywhere where power (and heat) is needed. Regarding the status of fuel cells, Europe is way behind Japan and the US. The 15 PAFC-200 kWe units in operation in Europe (worldwide > 90 units) produced 46,796 MWhe during 296,704 cumulative operating hours with an availability % over 70.00. The world record on continuous operation is held by Japan with 9,478 hours reached at 14th September 1996 and two PAFC-units passed their 40,000 hours of cumulative operation (US and Japan). In Japan, market enabling support is continued with subsidies of one third of the costs for 7 PAFC-units. In the Netherlands, Energy Distribution Companies test their tubular 100 kWe SOFC-unit. During 1,335 hours of continuous operation, the unit produced 165 MWhe in total at 3rd March. EnergieNed, CLC/Ansaldo and Gastec evaluated changes for co-generation and small power production with packaged fuel cell power plants in EU and EFTA countries. In general the authors concluded that implementation of fuel cell power plants in all EU and EFTA countries will be probably possible with today' s technical regulations. On might wonder: What has fuel cell technology to offer in one of the most efficient and low-priced gas economies in Europe, the Netherlands. An example of efficient energy use are greenhouses with artificial lighting and CO 2 -fertilization and energy (heat) storage device. Applying relatively favorable depreciation periods and (utility) interest rate, a PAFC 200 kWe generates just a positive return (IRR = 1.7 % after taxes and subsidies) when part of a gas-engine capacity is replaced

  14. Biomass torrefaction technology: Techno-economic status and future prospects

    International Nuclear Information System (INIS)

    Batidzirai, B.; Mignot, A.P.R.; Schakel, W.B.; Junginger, H.M.; Faaij, A.P.C.

    2013-01-01

    Torrefaction is a promising bioenergy pre-treatment technology, with potential to make a major contribution to the commodification of biomass. However, there is limited scientific knowledge on the techno-economic performance of torrefaction. This study therefore improves available knowledge on torrefaction by providing detailed insights into state of the art prospects of the commercial utilisation of torrefaction technology over time. Focussing on and based on the current status of the compact moving bed reactor, we identify process performance characteristics such as thermal efficiency and mass yield and discuss their determining factors through analysis of mass and energy balances. This study has shown that woody biomass can be torrefied with a thermal and mass efficiency of 94% and 48% respectively (on a dry ash free basis). For straw, the corresponding theoretical energetic efficiency is 96% and mass efficiency is 65%. In the long term, the technical performance of torrefaction processes is expected to improve and energy efficiencies are expected to be at least 97% as optimal torgas use and efficient heat transfer are realised. Short term production costs for woody biomass TOPs (torrefied pellets) are estimated to be between 3.3 and 4.8 US$/GJ LHV , falling to 2.1–5.1 US$/GJ LHV in the long term. At such cost levels, torrefied pellets would become competitive with traditional pellets. For full commercialisation, torrefaction reactors still require to be optimised. Of importance to torrefaction system performance is the achievement of consistent and homogeneous, fully hydrophobic and stable product, capable of utilising different feedstocks, at desired end-use energy densities. - Highlights: • Woody biomass torrefaction thermal efficiency is 94% and mass efficiency is 48% on a daf basis. • Straw theoretical torrefaction energetic efficiency is 96% and mass efficiency is 65%. • Current woody TOPs production costs are between 3.3 and 4.8 US$/GJ LHV , 50

  15. 700 C power plant technology. Status and challenge

    Energy Technology Data Exchange (ETDEWEB)

    Tschaffon, Helmut [E.ON Energie AG, Muenchen (Germany)

    2010-07-01

    Coal will remain an indispensable major source of energy for power generation in the world in the coming decades, because there are resources for hundreds of years. Coal fired power plants can be operated very flexible which gets increasing importance due to the stochastic input from regenerative energies like wind and solar energy. Sustainable technologies for cool-fired power plants have to be developed to optimise environmental protection and to save valuable resources and reduce CO{sub 2}-emissions. Future coal fired steam power plants aim an elevated steam temperature of about 700 C to reach a net efficiency of about 50%. This paper will give an overview over the status of the development of the 700 C technology and will highlight the challenges to be overcome before their commercial use. The European way to a 700 C Power plant started with the project AD700 in the year 1998. In this project the basic design of a 400 MW demo plant was done and some material tests and component qualifications for nickel-based alloys and new austenitic steels were started and terminated. AD700 delivered the basis of the design of the Component Test Facility COMTES700 (RFCS funded project with European manufacturers and utilities). COMTES 700 was operated between 2005 and 2009. It was integrated into the E.ON power plant Scholven in Germany to test mainly nickel based materials and power plant components. In the project NRWPP700 (2006-2010, funded by NRW and financed by European utilities) the detail design of the steam generator, piping system and turbine of a 500 MW power plant was done. In 7 material projects the qualification of components and materials was supported. At the same time of lot of national and international R and D projects (e.g. MARCKO and COORETEC) were performed. Due to the high amount of these projects they cannot be mentioned here in a detailed way. In 2007 the E.ON project 50plus was started. The aim was to plan and build a 700 C demo plant in

  16. Current status and challenges for automotive battery production technologies

    Science.gov (United States)

    Kwade, Arno; Haselrieder, Wolfgang; Leithoff, Ruben; Modlinger, Armin; Dietrich, Franz; Droeder, Klaus

    2018-04-01

    Production technology for automotive lithium-ion battery (LIB) cells and packs has improved considerably in the past five years. However, the transfer of developments in materials, cell design and processes from lab scale to production scale remains a challenge due to the large number of consecutive process steps and the significant impact of material properties, electrode compositions and cell designs on processes. This requires an in-depth understanding of the individual production processes and their interactions, and pilot-scale investigations into process parameter selection and prototype cell production. Furthermore, emerging process concepts must be developed at lab and pilot scale that reduce production costs and improve cell performance. Here, we present an introductory summary of the state-of-the-art production technologies for automotive LIBs. We then discuss the key relationships between process, quality and performance, as well as explore the impact of materials and processes on scale and cost. Finally, future developments and innovations that aim to overcome the main challenges are presented.

  17. Current status of assisted reproductive technology in Korea, 2011.

    Science.gov (United States)

    Lee, Gyoung Hoon; Song, Hyun Jin; Lee, Kyu Sup; Choi, Young Min

    2016-03-01

    The number of assisted reproductive technology (ART) clinics, ART cycles, clinical pregnancy rate (CPR), and number of newborns conceived using ART have steadily increased in South Korea. This aim of this study was to describe the status of ART in South Korea between January 1 and December 31, 2011. A localized online survey was created and sent to all available ART centers via email in 2015. Fresh embryo transfer (FET) cases were categorized depending on whether standard in vitro fertilization, intracytoplasmic sperm injection (ICSI), or half-ICSI procedures were used. Thawed embryo transfer (TET) and other related procedures were surveyed. Data from 36,990 ART procedures were provided by 74 clinics. Of the 30,410 cycles in which oocytes were retrieved, a complete transfer was performed in 91.0% (n=27,683). In addition, 9,197 cycles were confirmed to be clinical pregnancies in the FET cycles, representing a pregnancy rate of 30.2% per oocyte pick-up and 33.2% per ET. The most common number of embryos transferred in the FET procedures was three (38.1%), followed by two (34.7%) and one (14.3%). Of the 8,826 TET cycles, 3,137 clinical pregnancies (31.1%) were confirmed by ultrasonography. While the overall clinical pregnancy rate for the TET cycles performed was lower than the rate reported in 2010 (31.1% vs. 35.4%), the overall CPR for the FET cycles was higher than in 2010 (33.2% in 2011 and 32.9% in 2010). The most common number of embryos transferred in FET cycles was three, as was the case in 2010.

  18. A Case Of Primary Central Nervous System Vasculitis Who Presented With Status Epilepticus

    Directory of Open Access Journals (Sweden)

    Sırma Geyik

    2014-12-01

    Full Text Available Primary central nervous system vasculitis (PCNV is limited with central nervous system and rare vasculitis that mostly seen in middle-aged men. PCNV vasculitis is usually presented that headache, dementia, stroke and multifocal common neurological symptoms. PCNV especially involves small medium-sized leptomeningeal and cortical arteries. 43 years old male patient who have been progressive forgetfulness and headache for 3 years. He applied with recurrent that before starting right focal and than sprawling whole body which generalized tonic-clonic seizures to us. During management that he was transfered to the intensive care unit due to status epilepticus (SE. Later than we found right hemiparesis, motor aphasia and right babinski positivity in neurologic examination. Diffusion restriction was revealed in left MCA territory in diffusion magnetic resonance imaging(MRI. EEG showed two types abnormality that a slow background ritm and epileptiform activity. Biochemistry of blood, complete blood count, blood sedimentation rate, CRP and markers of vasculitis were found in the normal range. Cerebral anjiography revealed that irregularities in the distal vascular areas and fusiform aneurysm at the top of basilar artery. He was consulted with rheumatology and diagnosed central nervous system vasculitis with the existing findings. Biopsy couldn't be taken from the brain to verify the diagnosis. Finally, we applied treatment that pulse steroid and cyclophosphamide to patient. This case has been presented due to emphasize that PCNV rarely may play a role in the etiology of recurrent stroke and status epilepticus.

  19. Big data in the construction industry: A review of present status, opportunities, and future trends

    OpenAIRE

    Bilal, M.; Oyedele, L.; Qadir, J.; Munir, K.; Ajayi, S. ed; Akinade, O.; Owolabi, H. A.; Alaka, H. A.; Pasha, M.

    2016-01-01

    The ability to process large amounts of data and to extract useful insights from data has revolutionised society. This phenomenon—dubbed as Big Data—has applications for a wide assortment of industries, including the construction industry. The construction industry already deals with large volumes of heterogeneous data; which is expected to increase exponentially as technologies such as sensor networks and the Internet of Things are commoditised. In this paper, we present a detailed survey of...

  20. Present status and future development of the European Community rapid information system

    International Nuclear Information System (INIS)

    Fraser, G.

    1990-01-01

    Following the Chernobyl reactor accident it was rapidly appreciated that, in addition to upgrading national radiological monitoring systems, action was required to facilitate international communication of the results obtained. The first such system was established by the Vienna Convention, drawn up under the auspices of the IAEA, which came into force in September, 1986. Subsequently the EC Council of Ministers decided in December, 1987, to set up a Community system which in many ways parallels that established by the Convention but differs significantly in certain aspects concerning its legal basis, initiation criteria, data provisions and communications requirements. The present paper describes the present status of the Community system and foreseeable future developments. It is a matter of policy that, to avoid unnecessary complications, this system should be, to the maximum extent practicable, fully compatible with that established by the Convention. Where appropriate, therefore, reference is also made to the latter system

  1. Thermal hydraulic codes for LWR safety analysis - present status and future perspective

    Energy Technology Data Exchange (ETDEWEB)

    Staedtke, H. [Commission of the European Union, Ispra (Italy)

    1997-07-01

    The aim of the present paper is to give a review on the current status and future perspective of present best-estimate Thermal Hydraulic codes. Reference is made to internationally well-established codes which have reached a certain state of maturity. The first part of the paper deals with the common basic code features with respect to the physical modelling and their numerical methods used to describe complex two-phase flow and heat transfer processes. The general predictive capabilities are summarized identifying some remaining code deficiencies and their underlying limitations. The second part discusses various areas including physical modelling, numerical techniques and informatic structure where the codes could be substantially improved.

  2. Electricity in Europe. Present status and prospects for the 1990s

    Energy Technology Data Exchange (ETDEWEB)

    Holmes, A

    1986-01-01

    Europe's electricity industry is entering a period of extreme uncertainty. This report sets out the reasons for this and tabulates the current electricity capacity in Europe. Chapter 2 considers the Electricity trade in Europe. Chapter 3 concentrates on nuclear power. In this, nuclear energy consumption in 1974 -1984, estimates of total and nuclear electricity generation to 2000, the European nuclear reactor types and the performance of reactors are tabulated. Nuclear power stations under construction are listed. A forecast is made of European nuclear capacity to 2000. The status of nuclear power in 1986 in Europe is summarized country by country. The future of nuclear power in Europe, following the Chernobyl reactor accident is considered, taking the situation in each country separately. Chapter 4 considers Electricity and the Environment, Chapter 5 looks at the prices of electricity in Europe, Chapter 6 is a country by country profile which presents the present and predicted electricity power situation in that country.

  3. Thermal hydraulic codes for LWR safety analysis - present status and future perspective

    International Nuclear Information System (INIS)

    Staedtke, H.

    1997-01-01

    The aim of the present paper is to give a review on the current status and future perspective of present best-estimate Thermal Hydraulic codes. Reference is made to internationally well-established codes which have reached a certain state of maturity. The first part of the paper deals with the common basic code features with respect to the physical modelling and their numerical methods used to describe complex two-phase flow and heat transfer processes. The general predictive capabilities are summarized identifying some remaining code deficiencies and their underlying limitations. The second part discusses various areas including physical modelling, numerical techniques and informatic structure where the codes could be substantially improved

  4. Present status and future perspectives of research and test reactor in Japan

    International Nuclear Information System (INIS)

    Kaneko, Yoshihiko; Kaieda, Keisuke

    2000-01-01

    Since 1957, Japan Atomic Energy Research Institute (JAERI) has constructed several research and test reactors to fulfill a major role in the study of nuclear energy and fundamental research. At present four reactors, the Japan Research Reactor No. 3 and No. 4 (JRR-3M and JRR-4 respectively), the Japan Materials Testing Reactor (JMTR) and the Nuclear Safety Research Reactor (NSRR) are in operation, and a new High Temperature Engineering Test Reactor (HTTR) has recently reached first criticality and now in the power up test. In 1966, the Kyoto University built the Kyoto University Reactor (KUR) and started its operation for joint use program of the Japanese universities. This paper introduces these reactors and describes their present operational status and also efforts for aging management. The recent tendency of utilization and future perspectives is also reported. (author)

  5. Present status and future perspectives of research and test reactor in Japan

    Energy Technology Data Exchange (ETDEWEB)

    Kaneko, Yoshihiko [Atomic Energy Research Laboratory, Musashi Institute of Technology, Kawasaki, Kanagawa (Japan); Kaieda, Keisuke [Department of Research Reactor, Japan Atomic Energy Research Inst., Tokai, Ibaraki (Japan)

    2000-10-01

    Since 1957, Japan Atomic Energy Research Institute (JAERI) has constructed several research and test reactors to fulfill a major role in the study of nuclear energy and fundamental research. At present four reactors, the Japan Research Reactor No. 3 and No. 4 (JRR-3M and JRR-4 respectively), the Japan Materials Testing Reactor (JMTR) and the Nuclear Safety Research Reactor (NSRR) are in operation, and a new High Temperature Engineering Test Reactor (HTTR) has recently reached first criticality and now in the power up test. In 1966, the Kyoto University built the Kyoto University Reactor (KUR) and started its operation for joint use program of the Japanese universities. This paper introduces these reactors and describes their present operational status and also efforts for aging management. The recent tendency of utilization and future perspectives is also reported. (author)

  6. Electricity in Europe. Present status and prospects for the 1990s

    International Nuclear Information System (INIS)

    Holmes, Andrew.

    1986-01-01

    Europe's electricity industry is entering a period of extreme uncertainty. This report sets out the reasons for this and tabulates the current electricity capacity in Europe. Chapter 2 considers the Electricity trade in Europe. Chapter 3 concentrates on nuclear power. In this, nuclear energy consumption in 1974 -1984, estimates of total and nuclear electricity generation to 2000, the European nuclear reactor types and the performance of reactors are tabulated. Nuclear power stations under construction are listed. A forecast is made of European nuclear capacity to 2000. The status of nuclear power in 1986 in Europe is summarized country by country. The future of nuclear power in Europe, following the Chernobyl reactor accident is considered, taking the situation in each country separately. Chapter 4 considers Electricity and the Environment, Chapter 5 looks at the prices of electricity in Europe, Chapter 6 is a country by country profile which presents the present and predicted electricity power situation in that country. (UK)

  7. Present status of the EPFL (Swiss) fusion-fission experiment 'LOTUS'

    International Nuclear Information System (INIS)

    Haldy, P.A.; Frueh, R.; Ligou, J.; Schneeberger, J.P.; Kumar, A.

    1984-01-01

    The present status of the LOTUS project - a fusion-fission hybrid research facility under construction at the Ecole Polytechnique Federale de Lausanne (EPFL) Switzerland - is presented. Emphasis is places on the description of the facility and on the design studies of an initial blanket of the ''fission-suppressed'' type. The LOTUS facility consists of a parallelepiped-shaped blanket, occupying roughly a volume of 1 m 3 , driven by a sealed 14 MeV (D,T) neutron generator with a rated source strength of 5x10 12 n/s. The experiment is housed in a massive concrete shielding of 220 cm thick walls, which leaves an experimental test chamber of 360 cm by 240 cm lateral dimensions and a height of 300 cm. (orig.) [de

  8. Thermal Management of Power Semiconductor Packages - Matching Cooling Technologies with Packaging Technologies (Presentation)

    Energy Technology Data Exchange (ETDEWEB)

    Bennion, K.; Moreno, G.

    2010-04-27

    Heat removal for power semiconductor devices is critical for robust operation. Because there are different packaging options, different thermal management technologies, and a range of applications, there is a need for a methodology to match cooling technologies and package configurations to target applications. To meet this need, a methodology was developed to compare the sensitivity of cooling technologies on the overall package thermal performance over a range of power semiconductor packaging configurations. The results provide insight into the trade-offs associated with cooling technologies and package configurations. The approach provides a method for comparing new developments in power semiconductor packages and identifying potential thermal control technologies for the package. The results can help users select the appropriate combination of packaging configuration and cooling technology for the desired application.

  9. Status of technologies related to the isolation of radioactive wastes in geologic repositories

    Energy Technology Data Exchange (ETDEWEB)

    Irish, E R [International Atomic Energy Agency, Vienna (Austria). Div. of Nuclear Safety and Environmental Protection; Cooley, C R [Department of Energy, Washington, DC (USA). Office of Nuclear Waste Management

    1980-09-01

    The authors present an overview of the status of technologies relevant to the isolation of radioactive wastes in geologic repositories. In addition to summarizing scientific and technical work on waste forms and packages, the: a) importance of the systems viewpoint, b) importance of modeling, c) need for site-specific investigations, d) consideration of future sub-surface human activities and e) prospects for successful isolation are discussed. It is concluded that successful isolation of radioactive wastes from the biosphere appears technically feasible for periods of thousands of years provided that the systems view is used in repository siting and design.

  10. Challenges of the Unified Health System: present status of public laboratory services in 31 cities of Minas Gerais, Brazil

    Directory of Open Access Journals (Sweden)

    Pedro Guatimosim Vidigal

    2014-04-01

    Full Text Available Introduction: Modifications in the Brazilian Unified Health System (SUS have led to a significant improvement in the national health indexes. However, some challenges still need to be faced, especially concerning SUS patients' access to high-quality laboratory support services.Objective: To evaluate the present status of laboratory services in SUS in 31 cities of Minas Gerais, Brazil, between 2008 and 2011.Material and method: This analysis was performed through data from the Information Technology Department of SUS (DATASUS and through interviews with local public health managers with structured questionnaires.Results: Among all the studied cities, 21 had their own laboratory, 90.2% of which were in precarious conditions, not meeting the requirements established by the legislation in force, and employing inappropriate procedures and techniques, in addition to using obsolete equipment. The range of available laboratory tests was limited, what demanded the services of supporting laboratories. None of the evaluated laboratories developed any systematic activity on quality management, including control of analytical quality, maintenance of laboratory equipment, calibration and performance evaluation of critical equipment, continuing education programs, and safety and biosecurity.Conclusion: The effective role of laboratory test results in medical decision is unquestionably impaired, risking the safety of SUS patients. The present work reveals the deficiencies of public laboratory services in Minas Gerais, and proposes a new management model, which is able to associate operational quality, technological development and optimization of human and material resources with higher productivity.

  11. High-energy synchrotron radiation x-ray microscopy: Present status and future prospects

    International Nuclear Information System (INIS)

    Jones, K.W.; Gordon, B.M.; Spanne, P.; Rivers, M.L.; Sutton, S.R.

    1991-01-01

    High-energy radiation synchrotron x-ray microscopy is used to characterize materials of importance to the chemical and materials sciences and chemical engineering. The x-ray microscope (XRM) forms images of elemental distributions fluorescent x rays or images of mass distributions by measurement of the linear attenuation coefficient of the material. Distributions of sections through materials are obtained non-destructively using the technique of computed microtomography. The energy range of the x rays used for the XRM ranges from a few keV at the minimum value to more than 100 keV, which is sufficient to excite the K-edge of all naturally occurring elements. The work in progress at the Brookhaven NSLS X26 and X17 XRM is described in order to show the current status of the XRM. While there are many possible approaches to the XRM instrumentation, this instrument gives state-of-the-art performance in most respects and serves as a reasonable example of the present status of the instrumentation in terms of the spatial resolution and minimum detection limits obtainable. The examples of applications cited give an idea of the types of research fields that are currently under investigation. They can be used to illustrate how the field of x-ray microscopy will benefit from the use of bending magnets and insertion devices at the Advanced Photon Source. 8 refs., 5 figs

  12. High-energy synchrotron radiation x-ray microscopy: Present status and future prospects

    International Nuclear Information System (INIS)

    Jones, K.W.; Gordon, B.M.; Spanne, P.; Rivers, M.L.; Sutton, S.R.

    1991-01-01

    High-energy radiation synchrotron x-ray microscopy is used to characterize materials of importance to the chemical and materials sciences and chemical engineering. The x-ray microscope (XRM) forms images of elemental distributions fluorescent x rays or images of mass distributions by measurement of the linear attenuation coefficient of the material. Distributions of sections through materials are obtained non-destructively using the technique of computed microtomography (CMT). The energy range of the x rays used for the XRM ranges from a few keV at the minimum value to more than 100 keV, which is sufficient to excite the K-edge of all naturally occurring elements. The work in progress at the Brookhaven NSLS X26 and X17 XRM is described in order to show the current status of the XRM. While there are many possible approaches to the XRM instrumentation, this instrument gives state-of-the-art performance in most respects and serves as a reasonable example of the present status of the instrumentation in terms of the spatial resolution and minimum detection limits (MDLs) obtainable. The examples of applications cited give an idea of the types of research fields that are currently under investigation. They can be used to illustrate how the field of x-ray microscopy will benefit from the use of bending magnets and insertion devices at the Advanced Photon Source (APS)

  13. Present status and needs of human resource development in the nuclear field in the Philippines

    Energy Technology Data Exchange (ETDEWEB)

    Bernido, Corazon C.; Roceles, Pilar C. [Philippine Nuclear Research Institute, Commonwealth Avenue, Diliman, Quezon (Philippines)

    2000-12-01

    The first nuclear power plant was nearing completion. However, due to change in political climate and support for the nuclear power program, this has been mothballed. There is a possibility for the introduction of nuclear power plant in the country's projected energy sources by the year 2020. The country has one research reactor, but at the present time it is undergoing repair and is not operational. The Philippine Nuclear Research Institute (PNRI), an Institute under the Department of Science and Technology (DOST), is the sole government agency mandated by the law to take charge of all matters pertaining to nuclear science and technology, and the regulation of nuclear energy. There is one another government agency, the Radiation Health Service (RHS) of the Department of Health, which is responsible for regulating the use and application of X-rays and non-ionizing radiation. The PNRI conducts national training courses in nuclear science and technology, and radiation protection to users of radioisotopes. Individual courses are outlined in the paper. Up to the present time, around 7,300 have participated in national training courses conducted by PNRI. Distributions of PNRI trainees are: 53 % for industrial, 12 % medical, 12 % for academe, and 23 % for others. Nuclear science and technology education in schools and universities are presented. The International Atomic Energy Agency (IAEA) training activities availed 77 % of the total foreign training from 1993 to 1998; Japan follows next at 20 %; and others comprise the remaining 3 %. An approach to training and human resources development, which could reach out to more target trainees, is Distance Learning. In 1998, as a part of a Regional Cooperative Agreement (RCA) and IAEA project, the Philippines participated in the trial of distance learning modules in radiation protection. The distance learning modules were developed at the Australian Nuclear Science and Technology Organization (ANSTO). These modules will

  14. Present status and needs of human resource development in the nuclear field in the Philippines

    International Nuclear Information System (INIS)

    Bernido, Corazon C.; Roceles, Pilar C.

    2000-01-01

    The first nuclear power plant was nearing completion. However, due to change in political climate and support for the nuclear power program, this has been mothballed. There is a possibility for the introduction of nuclear power plant in the country's projected energy sources by the year 2020. The country has one research reactor, but at the present time it is undergoing repair and is not operational. The Philippine Nuclear Research Institute (PNRI), an Institute under the Department of Science and Technology (DOST), is the sole government agency mandated by the law to take charge of all matters pertaining to nuclear science and technology, and the regulation of nuclear energy. There is one another government agency, the Radiation Health Service (RHS) of the Department of Health, which is responsible for regulating the use and application of X-rays and non-ionizing radiation. The PNRI conducts national training courses in nuclear science and technology, and radiation protection to users of radioisotopes. Individual courses are outlined in the paper. Up to the present time, around 7,300 have participated in national training courses conducted by PNRI. Distributions of PNRI trainees are: 53 % for industrial, 12 % medical, 12 % for academe, and 23 % for others. Nuclear science and technology education in schools and universities are presented. The International Atomic Energy Agency (IAEA) training activities availed 77 % of the total foreign training from 1993 to 1998; Japan follows next at 20 %; and others comprise the remaining 3 %. An approach to training and human resources development, which could reach out to more target trainees, is Distance Learning. In 1998, as a part of a Regional Cooperative Agreement (RCA) and IAEA project, the Philippines participated in the trial of distance learning modules in radiation protection. The distance learning modules were developed at the Australian Nuclear Science and Technology Organization (ANSTO). These modules will be

  15. Current Status on Stress Diagnostic Kit and Detection Technology

    International Nuclear Information System (INIS)

    Park, Sang Hyun; Choi, Mi Hee; Ko, Kyong Cheol

    2008-06-01

    The accurate measurement of a stress level is one of the most important issues in a stress diagnosis and its measurement could be of great value in clinical medicine. Stress has a potent effect on the spirit and physical condition of an individual. There are various methods available for its measurement. Some of the commonly used techniques for the diagnosis of a stress level include analysis of the body fluids, questionnaire assessments, psychophysiological evaluations and by determining heart rate variability (HRV) of subjects. However, the existing diagnostic methods have several defects like, a low sensitivity, inaccuracy and long of operation time. In this report, we present a diagnostic technology to detect a stress level which is the origin of various diseases. This method can be of great help in providing an early diagnosis through a biosensor and might play a vital role in preventing diseases like hypochondria and hypertension. Majority of the human population is exposed to stress in one way or another and hence developing a convenient stress diagnosis kit will be of great use to all. This stress diagnostic kit and detection technology dose not involve simple a mechanical measurement or questionnaires, but is based on developing a detection kit with a high sensitivity, which will mean an easy use for common man. Individuals can undergo regular check ups and can personally diagnose their present situation of health by determining their stress levels, thus enabling them to diagnose the early onset of several stress disorders. This might help them take precautionary measures and thereby lead to a healthy life

  16. The status of fast reactor technology development in China

    International Nuclear Information System (INIS)

    Xu Mi

    1998-01-01

    The paper will outline the main activities on fast reactor technology in China. In the year 1996, with the increasing of about 15 GWe installed electricity capacity, the total national electricity generation capacity has reached 225 GWe in the Country. Two nuclear power plants, Qinshan Phase 1 and Daya Bay have their rather good operation. The load factor of Qinshan Phase 1 was 84.7%. 76.1% and 64.1% for Daya Bay Unit 1 and Unit 2 respectively. During the Ninth 5-year (from 1996 to 2000) four NPPs Consisting of eight units of installed 6620MWe will be constructed. Under the framework of the High Technology Programme the Chinese Experimental Fast Reactor (CEFR) with the power 65MWth matched with 25MWe turbine-generator is still under preliminary design stage, which is sodium cooled pool type, (Pu,U)O 2 as fuel, in-core primary Went fuel storage, two mechanical pumps and four intermediate heat exchangers for primary circuit two loops for secondary circuits two independent immersed heat exchangers and air coolers with high stacks for passive residual heat removal system. Some design changes are presented in the paper. Concerning the R and D for the CEFR, besides the facilities already prepared, for demonstration of thermohydraulic characteristics of natural convection, a water simulation reactor pool facility in about one third scale is planned, in order to prepare the reactor physics experiments for its start-up, the zero power fast neutron facility with 50kg U-235 has been restored, for endurance testing of core subassemblies and getting some sodium loop operation experiences, Italian ESPRESSO and CEDI are under reconstruction in our lab. As for the engineering preparation of the project CEFR, the Feasibility Study Report was approved by Authorities on November last year. The site preparation and the design of incorporated to grid are just started. Finally, the activities of the international cooperation are presented in the paper. (author)

  17. Current Status on Stress Diagnostic Kit and Detection Technology

    Energy Technology Data Exchange (ETDEWEB)

    Park, Sang Hyun; Choi, Mi Hee; Ko, Kyong Cheol

    2008-06-15

    The accurate measurement of a stress level is one of the most important issues in a stress diagnosis and its measurement could be of great value in clinical medicine. Stress has a potent effect on the spirit and physical condition of an individual. There are various methods available for its measurement. Some of the commonly used techniques for the diagnosis of a stress level include analysis of the body fluids, questionnaire assessments, psychophysiological evaluations and by determining heart rate variability (HRV) of subjects. However, the existing diagnostic methods have several defects like, a low sensitivity, inaccuracy and long of operation time. In this report, we present a diagnostic technology to detect a stress level which is the origin of various diseases. This method can be of great help in providing an early diagnosis through a biosensor and might play a vital role in preventing diseases like hypochondria and hypertension. Majority of the human population is exposed to stress in one way or another and hence developing a convenient stress diagnosis kit will be of great use to all. This stress diagnostic kit and detection technology dose not involve simple a mechanical measurement or questionnaires, but is based on developing a detection kit with a high sensitivity, which will mean an easy use for common man. Individuals can undergo regular check ups and can personally diagnose their present situation of health by determining their stress levels, thus enabling them to diagnose the early onset of several stress disorders. This might help them take precautionary measures and thereby lead to a healthy life.

  18. Present status of R and D on nuclear forensics at JAEA

    International Nuclear Information System (INIS)

    Kimura, Yoshiki; Sakurai, Satoshi; Sato, Kaneaki; Toda, Nobufumi; Shinoda, Yoshiharu; Okubo, Ayako; Magara, Masaaki; Watahiki, Masaru; Kuno, Yusuke

    2012-01-01

    The national statement made by the Japan Government at 2010 Nuclear Security Summit (Washington D.C., U.S.A.) was to develop its nuclear forensics detection and analysis technologies in a three-year period and to share them with the international community to contribute to strengthening the nuclear security regime. The Japan Atomic Energy Agency, the organization that possesses analytical capabilities with the potential to fulfill this nuclear forensics mission, started R and D on nuclear forensics technology from JFY 2011. The main areas of development are isotopic ratio analysis, impurity analysis, uranium age determination, etc. The cooperation with US-DOE and EC-JRC were also started to effectively promote the technical development. In the presentation reported will be progress in R and D to establish nuclear forensics analytical capabilities and international cooperation. (author)

  19. Development of SMES for power system control: present status and perspective

    International Nuclear Information System (INIS)

    Ohsaki, H.; Taniguchi, S.; Nagaya, S.; Akita, S.; Koso, S.; Tatsuta, M.

    2004-01-01

    A present Japanese national project for SMES development focuses on the development of cost reduction technologies for a small-scale SMES for power system control. Optimal SMES system concepts were developed for power system stabilization and for load fluctuation compensation or frequency regulation. Performance of the designed superconductors was analyzed through fabrication and tests of short sample superconductors. Then, two kinds of model coil systems were manufactured and tested for evaluation of the design concepts and cost reduction technology developments. A multi-pole solenoid coil set as a model coil system for load fluctuation compensation SMES was successfully tested, for example, in 10 000-pulse iterative charge-discharge operations. In addition, application of high-T C superconductors to SMES has been studied for further cost reduction, more reliable operation, etc

  20. Presentations

    International Nuclear Information System (INIS)

    2007-01-01

    The presented materials consist of presentations of international workshop which held in Warsaw from 4 to 5 October 2007. Main subject of the meeting was progress in manufacturing as well as research program development for neutron detector which is planned to be placed at GANIL laboratory and will be used in nuclear spectroscopy research