WorldWideScience

Sample records for technological solution based

  1. SOLUTE TRANSPORT IN NATURAL FRACTURES BASED ON DIGITAL IMAGE TECHNOLOGY

    Institute of Scientific and Technical Information of China (English)

    TAN Ye-fei; ZHOU Zhi-fang; HUANG Yong

    2009-01-01

    A method of fracture boundary extraction was developed using the Gaussian template and Canny boundary detection on the basis of the collected digital images of natural fractures. The roughness and apertures of the fractures were briefly discussed from the point of view of digital image analysis. The extracted fractured image was translated into a lattice image which can be directly used in numerical simulation. The lattice Boltzmann and modified moment propagation mixed method was then applied to the simulation of solute transport in a natural single fracture, and this mixed method could take the advantages of the lattice Boltzmann method in dealing with complex physical boundaries. The obtained concentrations was fitted with the CXTFIT2.1 code and compared with the results obtained with the commercial software Feflow. The comparison indicates that the simulation using the mixed method is sound.

  2. [Nasal submicron emulsion of Scutellariae Radix extract preparation technology research based on phase transfer of solute technology].

    Science.gov (United States)

    Shi, Ya-jun; Shi, Jun-hui; Chen, Shi-bin; Yang, Ming

    2015-07-01

    Based on the demand of nasal drug delivery high drug loadings, using the unique phase transfer of solute, integrating the phospholipid complex preparation and submicron emulsion molding process of Scutellariae Radix extract, the study obtained the preparation of the high drug loadings submicron emulsion of Scutellariae Radix extract. In the study of drug solution dispersion method, the uniformity of drug dispersed as the evaluation index, the traditional mixing method, grinding, homogenate and solute phase transfer technology were investigated, and the solute phase transfer technology was adopted in the last. With the adoption of new technology, the drug loading capacity reached 1.33% (phospholipid complex was 4%). The drug loading capacity was improved significantly. The transfer of solute method and timing were studied as follows,join the oil phase when the volume of phospholipid complex anhydrous ethanol solution remaining 30%, the solute phase transfer was completed with the continued recycling of anhydrous ethanol. After drug dissolved away to oil phase, the preparation technology of colostrum was determined with the evaluation index of emulsion droplet form. The particle size of submicron emulsion, PDI and stability parameters were used as evaluation index, orthogonal methodology were adopted to optimize the submicron emulsion ingredient and main influential factors of high pressure homogenization technology. The optimized preparation technology of Scutellariae Radix extract nasal submicron emulsion is practical and stable.

  3. A wireless solution for greenhouse monitoring and control system based on ZigBee technology

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    With the rapid development of wireless technologies, it is possible for Chinese greenhouses to be equipped with wireless sensor networks due to their low-cost, simplicity and mobility. In the current study, we compared the advantages of ZigBee with other two similar wireless networking protocols, Wi-Fi and Bluetooth, and proposed a wireless solution for greenhouse monitoring and control system based on ZigBee technology. As an explorative application of ZigBee technology in Chinese greenhouse, it may promote Chinese protected agriculture.

  4. Lead-Free Piezoelectric Diaphragm Biosensors Based on Micro-Machining Technology and Chemical Solution Deposition

    Directory of Open Access Journals (Sweden)

    Xiaomeng Li

    2016-01-01

    Full Text Available In this paper, we present a new approach to the fabrication of integrated silicon-based piezoelectric diaphragm-type biosensors by using sodium potassium niobate-silver niobate (0.82KNN-0.18AN composite lead-free thin film as the piezoelectric layer. The piezoelectric diaphragms were designed and fabricated by micro-machining technology and chemical solution deposition. The fabricated device was very sensitive to the mass changes caused by various targets attached on the surface of diaphragm. The measured mass sensitivity value was about 931 Hz/μg. Its good performance shows that the piezoelectric diaphragm biosensor can be used as a cost-effective platform for nucleic acid testing.

  5. Lead-Free Piezoelectric Diaphragm Biosensors Based on Micro-Machining Technology and Chemical Solution Deposition.

    Science.gov (United States)

    Li, Xiaomeng; Wu, Xiaoqing; Shi, Peng; Ye, Zuo-Guang

    2016-01-12

    In this paper, we present a new approach to the fabrication of integrated silicon-based piezoelectric diaphragm-type biosensors by using sodium potassium niobate-silver niobate (0.82KNN-0.18AN) composite lead-free thin film as the piezoelectric layer. The piezoelectric diaphragms were designed and fabricated by micro-machining technology and chemical solution deposition. The fabricated device was very sensitive to the mass changes caused by various targets attached on the surface of diaphragm. The measured mass sensitivity value was about 931 Hz/μg. Its good performance shows that the piezoelectric diaphragm biosensor can be used as a cost-effective platform for nucleic acid testing.

  6. Manual on SFR R and D and Technology Monitoring System Based on Enterprise Project Management Solution

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Dong Uk; Lee, Yong Bum; Won, Byung Chool; Kim, Young In; Hahn, Do Hee

    2008-04-15

    This report is a manual on enterprise project management solution for R and D and technology monitoring system that is applicable for managing the generation IV sodium-cooled fast reactor development. The prime goal of this system is to provide project manager with reliable and accurate information of status of progress, performance and resource allocation, and attain traceability and visibility of project implementation for effective project management. This report is composed of the three part. The first part is an introduction on microsoft project professional software that was used to monitor the progress, evaluate the results and analyze the resource distribution of the activities. The second makes a description of project plan and control, and the third part describes on collaboration and teamwork.

  7. Feasibility, limitation and possible solutions of RNAi-based technology for insect pest control

    Institute of Scientific and Technical Information of China (English)

    Hao Zhang; Hai-Chao Li; Xue-Xia Miao

    2013-01-01

    Numerous studies indicate that target gene silencing by RNA interference (RNAi)could lead to insect death.This phenomenon has been considered as a potential strategy for insect pest control,and it is termed RNAi-mediated crop protection.However,there are many limitations using RNAi-based technology for pest control,with the effectiveness target gene selection and reliable double-strand RNA(dsRNA)delivery being two of the major challenges.With respect to target gene selection,at present,the use of homologous genes and genome-scale high-throughput screening are the main strategies adopted by researchers.Once the target gene is identified,dsRNA can be delivered by micro-injection or by feeding as a dietary component.However,micro-injection,which is the most common method,can only be used in laboratory experiments.Expression of dsRNAs directed against insect genes in transgenic plants and spraying dsRNA reagents have been shown to induce RNAi effects on target insects.Hence,RNAi-mediated crop protection has been considered as a potential new-generation technology for pest control,or as a complementary method of existing pest control strategies;however,further development to improve the efficacy of protection and range of species affected is necessary.In this review,we have summarized current research on RNAi-based technology for pest insect management.Current progress has proven that RNAi technology has the potential to be a tool for designing a new generation of insect control measures.To accelerate its practical application in crop protection,further study on dsRNA uptake mechanisms based on the knowledge of insect physiology and biochemistry is needed.

  8. Feasibility, limitation and possible solutions of RNAi-based technology for insect pest control.

    Science.gov (United States)

    Zhang, Hao; Li, Hai-Chao; Miao, Xue-Xia

    2013-02-01

    Numerous studies indicate that target gene silencing by RNA interference (RNAi) could lead to insect death. This phenomenon has been considered as a potential strategy for insect pest control, and it is termed RNAi-mediated crop protection. However, there are many limitations using RNAi-based technology for pest control, with the effectiveness target gene selection and reliable double-strand RNA (dsRNA) delivery being two of the major challenges. With respect to target gene selection, at present, the use of homologous genes and genome-scale high-throughput screening are the main strategies adopted by researchers. Once the target gene is identified, dsRNA can be delivered by micro-injection or by feeding as a dietary component. However, micro-injection, which is the most common method, can only be used in laboratory experiments. Expression of dsRNAs directed against insect genes in transgenic plants and spraying dsRNA reagents have been shown to induce RNAi effects on target insects. Hence, RNAi-mediated crop protection has been considered as a potential new-generation technology for pest control, or as a complementary method of existing pest control strategies; however, further development to improve the efficacy of protection and range of species affected is necessary. In this review, we have summarized current research on RNAi-based technology for pest insect management. Current progress has proven that RNAi technology has the potential to be a tool for designing a new generation of insect control measures. To accelerate its practical application in crop protection, further study on dsRNA uptake mechanisms based on the knowledge of insect physiology and biochemistry is needed.

  9. Simple solution : VAC-Screen technology helps drillers recapture oil-based mud

    Energy Technology Data Exchange (ETDEWEB)

    Wells, P.

    2010-11-15

    Calgary-based FP Marangoni Inc. has developed a VAC-Screen drilling fluid recovery system that improves the efficiency and environmental performance of oil production operations. With 8 patents filed, FP Marangoni is currently the only oilfield service company in the world that has successfully established a way to blend vacuum and rig shakers to recapture oil-based mud, or any drilling fluid. The VAC-Screen system is now being used by many operators and has the potential to be used across a wide spectrum of drilling applications. The system gives operators a considerable advantage in meeting progressively more stringent environmental regulations for cuttings disposal. The genesis for the system began while the company was working in the Alberta Foothills and a client was losing drilling fluids off of the ends of shakers. A rotary vacuum dryer fluid recovery and cuttings drying system was ruled out for solving the problem because it would degrade the drilling cuttings. FP Marangoni initially opted for blowing mud through the shaker screen using compressed air and air knife drying systems, but the high velocity air created a fine mud mist which created a health hazard. FP Marangoni then opted to build a vacuum manifold, placed it underneath the shaker screen and attached it to the rig vacuum. This method dried the cuttings as hoped, but they froze right on the shaker screen. These issues were sorted out with some fine-tuning and the company was eventually able to run the VAC-Screen technology on any size of shaker screen. The fluid that comes out of the end of the shaker flows onto the vacuum manifolds where it is then recovered and the cuttings dry out. The newly-created design incorporates a processing area which ensures the cuttings are dried out efficiently and are easy to dispose of. A prototype VAC-Screen was run over a three-month period from February through April 2010, and the technology was commercially introduced in June 2010. The VAC-Screen technology is

  10. ICS logging solution for network-based attacks using Gumistix technology

    Science.gov (United States)

    Otis, Jeremy R.; Berman, Dustin; Butts, Jonathan; Lopez, Juan

    2013-05-01

    Industrial Control Systems (ICS) monitor and control operations associated with the national critical infrastructure (e.g., electric power grid, oil and gas pipelines and water treatment facilities). These systems rely on technologies and architectures that were designed for system reliability and availability. Security associated with ICS was never an inherent concern, primarily due to the protections afforded by network isolation. However, a trend in ICS operations is to migrate to commercial networks via TCP/IP in order to leverage commodity benefits and cost savings. As a result, system vulnerabilities are now exposed to the online community. Indeed, recent research has demonstrated that many exposed ICS devices are being discovered using readily available applications (e.g., ShodanHQ search engine and Google-esque queries). Due to the lack of security and logging capabilities for ICS, most knowledge about attacks are derived from real world incidents after an attack has already been carried out and the damage has been done. This research provides a method for introducing sensors into the ICS environment that collect information about network-based attacks. The sensors are developed using an inexpensive Gumstix platform that can be deployed and incorporated with production systems. Data obtained from the sensors provide insight into attack tactics (e.g., port scans, Nessus scans, Metasploit modules, and zero-day exploits) and characteristics (e.g., attack origin, frequency, and level of persistence). Findings enable security professionals to draw an accurate, real-time awareness of the threats against ICS devices and help shift the security posture from reactionary to preventative.

  11. Modeling the oldest old: personas to design technology-based solutions for older adults.

    Science.gov (United States)

    Reeder, Blaine; Zaslavksy, Oleg; Wilamowska, Katarzyna M; Demiris, George; Thompson, Hilaire J

    2011-01-01

    There is a recognized need to develop information technology for the delivery of care services to older adults. However, little attention has been paid to the design of information technology for the oldest old demographic. We made novel use of data from observations, focus groups and cluster analysis of oldest old participant characteristics from a pilot study in a community setting to iteratively construct personas for the design of information technology for the oldest old. The resulting two personas, "Hazel" and "Rose", capture different abilities of members of the oldest old demographic group. In addition, we provide a list of eleven design recommendations to guide the design of technology that supports the abilities of people like Hazel and Rose. The resulting personas, design recommendations and persona construction method can be useful tools for informaticians and designers of new systems for the oldest old.

  12. A chip embedding solution based on low-cost plastic materials as enabling technology for smart labels

    NARCIS (Netherlands)

    Cauwe, M.; Vandecasteele, B.; Baets, J. de; Brand, J. van den; Kusters, R.H.L.; Sridhar, A.

    2012-01-01

    Expanding the current smart packaging solutions to individual products requires improvement for several of the following properties: cost, thickness, weight, flexibility, conformability, transparency, and even stretchability. This paper focusses on an embedding technology that targets the first four

  13. A chip embedding solution based on low-cost plastic materials as enabling technology for smart labels

    NARCIS (Netherlands)

    Cauwe, M.; Vandecasteele, B.; Baets, J. de; Brand, J. van den; Kusters, R.H.L.; Sridhar, A.

    2012-01-01

    Expanding the current smart packaging solutions to individual products requires improvement for several of the following properties: cost, thickness, weight, flexibility, conformability, transparency, and even stretchability. This paper focusses on an embedding technology that targets the first four

  14. Acid and base recovery from brine solution using PVP intermediate-based bipolar membrane through water splitting technology

    Science.gov (United States)

    Venugopal, Krishnaveni; Murugappan, Minnoli; Dharmalingam, Sangeetha

    2017-07-01

    Potable water has become a scarce resource in many countries. In fact, the world is not running out of water, but rather, the relatively fixed quantity is becoming too contaminated for many applications. Hence, the present work was designed to evaluate the desalination efficiency of resin and glass fiber-reinforced Polysulfone polymer-based monopolar and bipolar (BPM) ion exchange membranes (with polyvinyl pyrrolidone as the intermediate layer) on a real sample brine solution for 8 h duration. The prepared ion exchange membranes (IEMs) were characterized using FTIR, SEM, TGA, water absorption, and contact angle measurements. The BPM efficiency, electrical conductivity, salinity, sodium, and chloride ion concentration were evaluated for both prepared and commercial-based IEM systems. The current efficiency and energy consumption values obtained during BPMED process were found to be 45 % and 0.41 Wh for RPSu-PVP-based IEM system and 38 % and 1.60 Wh for PSDVB-based IEM system, respectively.

  15. ATRS - A Technology-based Solution to Automobility for Wheelchair Users

    OpenAIRE

    Gao, C.; Hoffman, I.; Panzarella, T.; Spletzer, J.

    2007-01-01

    International audience; In this paper, we present the Automated Transport and Retrieval System (ATRS). ATRS represents an alternative to van conversions for automobile drivers with lower body disabilities. It employs robotics and automation technologies that integrate into a standard minivan or sport utility vehicle (SUV). At the core of ATRS is a “smart” wheelchair that navigates between the driver's position and a powered lift at the rear of the vehicle - eliminating the need for an attenda...

  16. Responsibility Towards The Customers Of Subscription-Based Software Solutions In The Context Of Using The Cloud Computing Technology

    Directory of Open Access Journals (Sweden)

    Bogdan Ștefan Ionescu

    2003-12-01

    Full Text Available The continuously transformation of the contemporary society and IT environment circumscribed its informational has led to the emergence of the cloud computing technology that provides the access to infrastructure and subscription-based software services, as well. In the context of a growing number of service providers with of cloud software, the paper aims to identify the perception of some current or potential users of the cloud solution, selected from among students enrolled in the accounting (professional or research master programs with the profile organized by the Bucharest University of Economic Studies, in terms of their expectations for cloud services, as well as the extent to which the SaaS providers are responsible for the provided services.

  17. Technology report on Railway Embedded Network solutions

    OpenAIRE

    Wahl, M; BERNOCCHI, M; Just, P.; WEISS, AH; GOIKOETXEA, J; BILLION, J; NEMORIN, J

    2007-01-01

    Deliverable D3D.3.1 Technology report on Railway Embedded Network solutions is a deliverable of Work Package SP3D_WP3 ICOM Specification & Telecom Interfaces of Onboard and Train Train Networks. It takes place within the InteGRail Task 3D_03.1 State of the Art in Embedded Networks. The objectives of this deliverable are: - to consider which embedded communication network technologies are already into ser-vice within the trains; - to analyse Ethernet-based technologies; - to evaluate how Ethe...

  18. Technology Prioritized for HA/DR: A Space Based ISR Solution

    Science.gov (United States)

    2014-04-01

    land surface heights, this includes seismic disturbances, tectonic plate movements, and recently relevant, the mass balance of polar ice caps. As...Landslide monitoring utilizes a hybrid of radar interferometry, high-res optical, seismic data from ground-based sensors, and GIS. 30 http

  19. Aluminate solution decomposition new technology development

    Energy Technology Data Exchange (ETDEWEB)

    Abramov, V.Ya.; Stelmakova, G.D. [Scientific Technical Centre Reactor, Moscow (Russian Federation)

    1996-10-01

    Scientific Technical Centre Reactor together with SC Aluminy carried out the number of investigations in the field of aluminum solution decomposition new technology development. It was based on large prime ratio on one hand, and liquid-solid countercurrent flow movement on the other hand. Practically the suggested technology was considered to be the result of unstationary, mass-transfer theory, which had been checked up at 100 m3 plot scale plant. Hydrate washing was accomplished at the first stage under the condition of countercurrent flow and less than 1 m3 water discharge. The experiments of 3.2--3.3 caustic module aluminate solution decomposition were carried out at the second stage. While full reactor 20 hour regime operation the caustic module increased till 4.1. Usually it accounts 3.7 under the analogous conditions and time.

  20. State-of-the-Art Model Driven Game Development: A Survey of Technological Solutions for Game-Based Learning

    Science.gov (United States)

    Tang, Stephen; Hanneghan, Martin

    2011-01-01

    Game-based learning harnesses the advantages of computer games technology to create a fun, motivating and interactive virtual learning environment that promotes problem-based experiential learning. Such an approach is advocated by many commentators to provide an enhanced learning experience than those based on traditional didactic methods.…

  1. State-of-the-Art Model Driven Game Development: A Survey of Technological Solutions for Game-Based Learning

    Science.gov (United States)

    Tang, Stephen; Hanneghan, Martin

    2011-01-01

    Game-based learning harnesses the advantages of computer games technology to create a fun, motivating and interactive virtual learning environment that promotes problem-based experiential learning. Such an approach is advocated by many commentators to provide an enhanced learning experience than those based on traditional didactic methods.…

  2. INNOVATIVE SOLUTIONS IN GRAINDRYING TECHNOLOGY

    Directory of Open Access Journals (Sweden)

    D. A. Britikov

    2012-01-01

    Full Text Available Heat pump oil-plants grain drying and storage innovative technology providing product quality increase, energy consumption decrease and environmental safety is scientifically grounded.

  3. Gerber Technology Announces Acquisition of Yunique Solutions

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    On Dec.4, 2009, Gerber Technology, announced the strategic acquisition of Yunique Solutions, Inc., developer of the fashion industry’s top-ranked PLM solution. This acquisition will ensure that Gerber provides an innovative end-to-end solution with user productivity and enterprise connectivity at its core.

  4. Landmine research: technology solutions looking for problems

    Science.gov (United States)

    Trevelyan, James P.

    2004-09-01

    The global landmine problem came to the attention of researchers in the mid 1990's and by 1997 several advanced and expensive sensor research programs had started. Yet, by the end of 2003, there is little sign of a major advance in the technology available to humanitarian demining programs. Given the motivation and dedication of researchers, public goodwill to support such programs, and substantial research resources devoted to the problem, it is worth asking why these programs do not seem to have had an impact on demining costs or casualty rates. Perhaps there are factors that have been overlooked. This paper reviews several research programs to gain a deeper understanding of the problem. A possible explanation is that researchers have accepted mistaken ideas on the nature of the landmine problems that need to be solved. The paper provides several examples where the realities of minefield conditions are quite different to what researchers have been led to believe. Another explanation may lie in the political and economic realities that drive the worldwide effort to eliminate landmines. Most of the resources devoted to landmine clearance programs come from humanitarian aid budgets: landmine affected countries often contribute only a small proportion because they have different priorities based on realistic risk-based assessment of needs and political views of local people. Some aid projects have been driven by the need to find a market for demining technologies rather than by user needs. Finally, there is a common misperception that costs in less developed countries are intrinsically low, reflecting low rates paid for almost all classes of skilled labour. When actual productivity is taken into account, real costs can be higher than industrialized countries. The costs of implementing technological solutions (even using simple technologies) are often significantly under-estimated. Some political decisions may have discouraged thorough investigation of cost

  5. High-accuracy alignment based on atmospherical dispersion - technological approaches and solutions for the dual-wavelength transmitter

    Energy Technology Data Exchange (ETDEWEB)

    Burkhard, Boeckem [Institute for Geodesy and Photogrammetry, ETH Zurich (Switzerland)

    1999-07-01

    In the course of the progressive developments of sophisticated geodetic systems utilizing electromagnetic waves in the visible or near IR-range a more detailed knowledge of the propagation medium and coevally solutions of atmospherically induced limitations will become important. An alignment system based on atmospherical dispersion, called a dispersometer, is a metrological solution to the atmospherically induced limitations, in optical alignment and direction observations of high accuracy. In the dispersometer we are using the dual-wavelength method for dispersive air to obtain refraction compensated angle measurements, the detrimental impact of atmospheric turbulence notwithstanding. The principle of the dual-wavelength method utilizes atmospherical dispersion, i.e. the wavelength dependence of the refractive index. The difference angle between two light beams of different wavelengths, which is called the dispersion angle {delta}{beta}, is to first approximation proportional to the refraction angle: {beta}{sub IR} {nu}({beta}{sub blue} - {beta}{sub IR}) = {nu} {delta}{beta}, this equation implies that the dispersion angle has to be measured at least 42 times more accurate than the desired accuracy of the refraction angle for the wavelengths used in the present dispersometer. This required accuracy constitutes one major difficulty for the instrumental performance in applying the dispersion effect. However, the dual-wavelength method can only be successfully used in an optimized transmitter-receiver combination. Beyond the above mentioned resolution requirement for the detector, major difficulties in instrumental realization arise in the availability of a suitable dual-wavelength laser light source, laser light modulation with a very high extinction ratio and coaxial emittance of mono-mode radiation at both wavelengths. Therefore, this paper focuses on the solutions of the dual-wavelength transmitter introducing a new hardware approach and a complete re-design of

  6. Cereal based oral rehydration solutions.

    Science.gov (United States)

    Kenya, P R; Odongo, H W; Oundo, G; Waswa, K; Muttunga, J; Molla, A M; Nath, S K; Molla, A; Greenough, W B; Juma, R

    1989-07-01

    A total of 257 boys (age range 4-55 months), who had acute diarrhoea with moderate to severe dehydration, were randomly assigned to treatment with either the World Health Organisation/United Nations Childrens Fund (WHO/Unicef) recommended oral rehydration solution or cereal based oral rehydration solution made either of maize, millet, sorghum, or rice. After the initial rehydration was achieved patients were offered traditional weaning foods. Treatment with oral rehydration solution continued until diarrhoea stopped. Accurate intake and output was maintained throughout the study period. Efficacy of the treatment was compared between the different treatment groups in terms of intake of the solution, stool output, duration of diarrhoea after admission, and weight gain after 24, 48, and 72 hours, and after resolution of diarrhoea. Results suggest that all the cereal based solutions were as effective as glucose based standard oral rehydration solution in the treatment of diarrhoea.

  7. Smart grids infrastructure, technology, and solutions

    CERN Document Server

    Borlase, Stuart

    2012-01-01

    What exactly is smart grid? Why is it receiving so much attention? What are utilities, vendors, and regulators doing about it? Answering these questions and more, Smart Grids: Infrastructure, Technology, and Solutions gives readers a clearer understanding of the drivers and infrastructure of one of the most talked-about topics in the electric utility market-smart grid. This book brings together the knowledge and views of a vast array of experts and leaders in their respective fields.Key Features Describes the impetus for change in the electric utility industry Discusses the business drivers, b

  8. An improved solution of local window parameters setting for local singularity analysis based on Excel VBA batch processing technology

    Science.gov (United States)

    Zhang, Daojun; Cheng, Qiuming; Agterberg, Frits; Chen, Zhijun

    2016-03-01

    In this paper Excel VBA is used for batch calculation in Local Singularity Analysis (LSA), which is for the information extracting from different kinds of geoscience data. Capabilities and advantages of a new module called Batch Tool for Local Singularity Index Mapping (BTLSIM) are: (1) batch production of series of local singularity maps with different settings of local window size, shape and orientation parameters; (2) local parameter optimization based on statistical tests; and (3) provision of extra output layers describing how spatial changes induced by parameter optimization are related to spatial structure of the original input layers.

  9. Smart facility application: exploiting space technology for smart city solution

    Science.gov (United States)

    Termizi, A. A. A.; Ahmad, N.; Omar, M. F.; Wahap, N. A.; Zainal, D.; Ismail, N. M.

    2016-06-01

    Facilities and amenities management is amongst the core functionalities of local government. Considering the vast area that local government has to manage, a smart solution is extremely inevitable to solve issues such as inefficient maintenance of public parks, drainage system and so forth. Therefore, this paper aims to offer a smart city solution which exploits the benefit of space technology. This proposed solution is one of the modules developed in Spatial Smart City Service Delivery Engine (SSC SDE) Project undertaken by Agensi Angkasa Negara (ANGKASA). Various levels of local government have been chosen to understand real issues faced by them. Based on this data, a Smart Facility application has been developed with the aim to enhance the service delivery by the local government hence improving citizens’ satisfaction. Since this project is still in progress, this paper will merely discussing the concept of this application.

  10. Study on Technology Solutions of CEFR Steam Generator

    Institute of Scientific and Technical Information of China (English)

    WU; Zhi-guang; YU; Hua-jin; LIAO; Zi-yu; ZHANG; Zhen-xing

    2012-01-01

    <正>The technology solutions of CFR1000 steam generator were researched which were compared and analyze with foreign fast reactor steam generator technology solutions. The comparative analysis included the integral/modular structure, the number of modules per loop, structure types, the

  11. Technology based Education System

    DEFF Research Database (Denmark)

    Kant Hiran, Kamal; Doshi, Ruchi; Henten, Anders

    2016-01-01

    Abstract - Education plays a very important role for the development of the country. Education has multiple dimensions from schooling to higher education and research. In all these domains, there is invariably a need for technology based teaching and learning tools are highly demanded in the acad...

  12. Enterprise security IT security solutions : concepts, practical experiences, technologies

    CERN Document Server

    Fumy, Walter

    2013-01-01

    Addressing IT managers and staff, as well as CIOs and other executives dealing with corporate IT security, this book provides a broad knowledge on the major security issues affecting today's corporations and organizations, and presents state-of-the-art concepts and current trends for securing an enterprise.Areas covered include information security management, network and system security, identity and access management (IAM), authentication (including smart card based solutions and biometrics), and security certification. In-depth discussion of relevant technologies and standards (including cr

  13. Technological Solutions to Social and Citizen Problems. The Case of Civic and Public Challenges in Mexico

    OpenAIRE

    Martin Adalberto TENA-ESPINOZA-DE-LOS-MONTEROS

    2017-01-01

    This paper describes the process of civic innovation that, based on technological solutions and open initiatives, the civic society’s organization Codeando México suggests for the attention and solution of social and civic problems in Mexico. The Retos Cívicos (Civic Challenges) and Retos Públicos (Public Challenges) initiatives are addressed and described as experiences of innovation in the implementation of technological strategies for the solution of social and civic problems. A reflection...

  14. Technologies of Selective Energy Supply at Evaporation of Food Solutes

    Directory of Open Access Journals (Sweden)

    Burdo O.G.

    2017-04-01

    Full Text Available The aim of the research is to create innovative evaporating equipment that can produce concentrates with a high content of solids, with a low level of thermal effects on raw materials. The significance of the solution of technological problems of the key process of food technologies - concentration of liquid solutions (juices, extracts, etc. is shown. Problems and scientific contradictions are formulated and the hypothesis on using of electromagnetic energy sources for direct energy transfer to solution’s moisture has been offered. The prospects of such an energy effect are proved by the energy management methods. The schemes of fuel energy conversion for the conventional thermal concentration technology and the innovative plant based on the electromagnetic energy generators are presented. By means of the similarity theory the obtained model is transformed to the criterial one depicted kinetic of evaporation process at the electromagnetic field action. The dimensionless capacity of the plant is expressed by the dependence between the Energetic effect number and relative moisture content. The scheme of automated experimental system for study of the evaporation process in the microwave field is shown. The experimental results of juice evaporation are presented. It has been demonstrated that the technologies of selective energy supply represent an effective tool for improvement of juice concentration evaporative plants. The main result of the research is design of the evaporator that allows reaching juice concentrates with °brix 95 at the temperature as low as 35 °С, i.e. 2…3 times superior than traditional technologies.

  15. Tailored business solutions by workflow technologies

    Directory of Open Access Journals (Sweden)

    Alexandra Fortiş

    2006-01-01

    Full Text Available VISP (Virtual Internet Service Provider is an IST-STREP project, which is conducting research in the field of these new technologies, targeted to telecom/ISP companies. One of the first tasks of the VISP project is to identify the most appropriate technologies in order to construct the VISP platform. This paper presents the most significant results in the field of choreography and orchestration, two key domains that must accompany process modeling in the construction of a workflow environment.

  16. Medical Wearable Technologies: Applications, Problems and Solutions

    OpenAIRE

    Bostanci, Erkan

    2015-01-01

    The focus of this paper is on wearable technologies which are increasingly being employed in the medical field. From smart watches to smart glasses, from electronic textile to data gloves; several gadgets are playing important roles in diagnosis and treatment of various medical conditions. The threats posed by these technologies are another matter of concern that must be seriously taken into account. Numerous threats ranging from data privacy to big data problems are facing us as adverse effe...

  17. Technological solution for vulnerable communities: Questioning the sustainability of Appropriate Technology

    Science.gov (United States)

    Sianipar, C. P. M.; Dowaki, K.; Yudoko, G.

    2015-01-01

    Vulnerability eradication has become an emerging concern in today's society following the increasing uncertainties in achieving societal resilience, particularly in vulnerable communities. Furthermore, incorporating technological solution, especially appropriate technology (AT), into such concern requires interdisciplinary understandings to achieve a holistic eradication based on the particularities of each community. This study aims to briefly reveal existing scholarly discourses and investigate potential gap(s) between previous researches. Literatures, particularly consisting meta-analysis on previous scholarly discussions, are surveyed. The findings reveal three progress among scientific discourses. The first one is the paradigm shift of developmental purposes from typical development to empowerment. Next, concerns in technology development indicate the parallel movement toward empowerment. Then, previous methodological developments, including approach in sustaining AT, indicate the needs to assess the future based on sustainability. Therefore, a new research is proposed to develop an assessment framework on AT for vulnerability eradication on the basis of empowerment paradigm, extended focuses in technology development, and extended coverage of future changes in dynamic matter. The framework needs to be developed based on the combination of positivist-deductive-qualitative research paradigms. This is intended to generalize the framework for being used in different cases, to build an applicative framework as an integral part of existing body of knowledge, and to develop an enriched and flexible construction of framework. Looking at existing researches, this brief study proposes insights to move scientific progress toward a more holistic vulnerability eradication using AT solution both in conceptual and practical levels.

  18. All-printed capacitors with continuous solution dispensing technology

    Science.gov (United States)

    Ge, Yang; Plötner, Matthias; Berndt, Andreas; Kumar, Amit; Voit, Brigitte; Pospiech, Doris; Fischer, Wolf-Joachim

    2017-09-01

    Printed electronics have been introduced into the commercial markets in recent years. Various printing technologies have emerged aiming to process printed electronic devices with low cost, environmental friendliness, and compatibility with large areas and flexible substrates. The aim of this study is to propose a continuous solution dispensing technology for processing all-printed thin-film capacitors on glass substrates using a leading-edge printing instrument. Among all printing technologies, this study provides concrete proof of the following outstanding advantages of this technology: high tolerance to inks, high throughput, low cost, and precise pattern transfers. Ag nanoparticle ink based on glycol ethers was used to print the electrodes. To obtain dielectric ink, a copolymer powder of poly(methyl methacrylate-co-benzoylphenyl methacrylate) containing crosslinkable side groups was dissolved in anisole. Various layouts were designed to support multiple electronic applications. Scanning electron microscopy and atomic force microscopy were used to investigate the all-printed capacitor layers formed using the proposed process. Additionally, the printed capacitors were electrically characterized under direct current and alternating current. The measured electrical properties of the printed capacitors were consistent with the theoretical results.

  19. TECHNOLOGY SOLUTIONS FOR WIND INTEGRATION IN ERCOT

    Energy Technology Data Exchange (ETDEWEB)

    None, None

    2015-01-03

    Texas has for more than a decade led all other states in the U.S. with the most wind generation capacity on the U.S. electric grid. The State recognized the value that wind energy could provide, and committed early on to build out the transmission system necessary to move power from the windy regions in West Texas to the major population centers across the state. It also signaled support for renewables on the grid by adopting an aggressive renewable portfolio standard (RPS). The joining of these conditions with favorable Federal tax credits has driven the rapid growth in Texas wind capacity since its small beginning in 2000. In addition to the major transmission grid upgrades, there have been a number of technology and policy improvements that have kept the grid reliable while adding more and more intermittent wind generation. Technology advancements such as better wind forecasting and deployment of a nodal market system have improved the grid efficiency of wind. Successful large scale wind integration into the electric grid, however, continues to pose challenges. The continuing rapid growth in wind energy calls for a number of technology additions that will be needed to reliably accommodate an expected 65% increase in future wind resources. The Center for the Commercialization of Electric Technologies (CCET) recognized this technology challenge in 2009 when it submitted an application for funding of a regional demonstration project under the Recovery Act program administered by the U.S. Department of Energy1. Under that program the administration announced the largest energy grid modernization investment in U.S. history, making available some $3.4 billion in grants to fund development of a broad range of technologies for a more efficient and reliable electric system, including the growth of renewable energy sources like wind and solar. At that time, Texas was (and still is) the nation’s leader in the integration of wind into the grid, and was investing heavily

  20. Technology solutions for wind integration in Ercot

    Energy Technology Data Exchange (ETDEWEB)

    None, None

    2015-02-23

    Texas has for more than a decade led all other states in the U.S. with the most wind generation capacity on the U.S. electric grid. The State recognized the value that wind energy could provide, and committed early on to build out the transmission system necessary to move power from the windy regions in West Texas to the major population centers across the state. It also signaled support for renewables on the grid by adopting an aggressive renewable portfolio standard (RPS). The joining of these conditions with favorable Federal tax credits has driven the rapid growth in Texas wind capacity since its small beginning in 2000. In addition to the major transmission grid upgrades, there have been a number of technology and policy improvements that have kept the grid reliable while adding more and more intermittent wind generation. Technology advancements such as better wind forecasting and deployment of a nodal market system have improved the grid efficiency of wind. Successful large scale wind integration into the electric grid, however, continues to pose challenges. The continuing rapid growth in wind energy calls for a number of technology additions that will be needed to reliably accommodate an expected 65% increase in future wind resources. The Center for the Commercialization of Electric Technologies (CCET) recognized this technology challenge in 2009 when it submitted an application for funding of a regional demonstration project under the Recovery Act program administered by the U.S. Department of Energy1. Under that program the administration announced the largest energy grid modernization investment in U.S. history, making available some $3.4 billion in grants to fund development of a broad range of technologies for a more efficient and reliable electric system, including the growth of renewable energy sources like wind and solar. At that time, Texas was (and still is) the nation’s leader in the integration of wind into the grid, and was investing heavily

  1. Technology solutions for wind integration in ERCOT

    Energy Technology Data Exchange (ETDEWEB)

    None, None

    2015-01-03

    Texas has for more than a decade led all other states in the U.S. with the most wind generation capacity on the U.S. electric grid. The State recognized the value that wind energy could provide, and committed early on to build out the transmission system necessary to move power from the windy regions in West Texas to the major population centers across the state. It also signaled support for renewables on the grid by adopting an aggressive renewable portfolio standard (RPS). The joining of these conditions with favorable Federal tax credits has driven the rapid growth in Texas wind capacity since its small beginning in 2000. In addition to the major transmission grid upgrades, there have been a number of technology and policy improvements that have kept the grid reliable while adding more and more intermittent wind generation. Technology advancements such as better wind forecasting and deployment of a nodal market system have improved the grid efficiency of wind. Successful large scale wind integration into the electric grid, however, continues to pose challenges. The continuing rapid growth in wind energy calls for a number of technology additions that will be needed to reliably accommodate an expected 65% increase in future wind resources. The Center for the Commercialization of Electric Technologies (CCET) recognized this technology challenge in 2009 when it submitted an application for funding of a regional demonstration project under the Recovery Act program administered by the U.S. Department of Energy1. Under that program the administration announced the largest energy grid modernization investment in U.S. history, making available some $3.4 billion in grants to fund development of a broad range of technologies for a more efficient and reliable electric system, including the growth of renewable energy sources like wind and solar. At that time, Texas was (and still is) the nation’s leader in the integration of wind into the grid, and was investing heavily

  2. FY04 Engineering Technology Reports Technology Base

    Energy Technology Data Exchange (ETDEWEB)

    Sharpe, R M

    2005-01-27

    Lawrence Livermore National Laboratory's Engineering Directorate has two primary discretionary avenues for its investment in technologies: the Laboratory Directed Research and Development (LDRD) program and the ''Tech Base'' program. This volume summarizes progress on the projects funded for technology-base efforts in FY2004. The Engineering Technical Reports exemplify Engineering's more than 50-year history of researching and developing (LDRD), and reducing to practice (technology-base) the engineering technologies needed to support the Laboratory's missions. Engineering has been a partner in every major program and project at the Laboratory throughout its existence, and has prepared for this role with a skilled workforce and technical resources. This accomplishment is well summarized by Engineering's mission: ''Enable program success today and ensure the Laboratory's vitality tomorrow''. LDRD is the vehicle for creating those technologies and competencies that are cutting edge. These require a significant level of research or contain some unknown that needs to be fully understood. Tech Base is used to apply those technologies, or adapt them to a Laboratory need. The term commonly used for Tech Base projects is ''reduction to practice''. Tech Base projects effect the natural transition to reduction-to-practice of scientific or engineering methods that are well understood and established. They represent discipline-oriented, core competency activities that are multi-programmatic in application, nature, and scope. The objectives of technology-base funding include: (1) the development and enhancement of tools and processes to provide Engineering support capability, such as code maintenance and improved fabrication methods; (2) support of Engineering science and technology infrastructure, such as the installation or integration of a new capability; (3) support for technical and

  3. Army Information Technology Enterprise Solutions-2 Services Contract

    Science.gov (United States)

    2007-08-09

    Contracting personnel from the Army and other Federal agencies who are involved in information technology service acquisition decisions should read...IDIQ) contracts. The Inspector General (IG), DoD initiated the audit of the Army Information Technology Enterprise Solutions-2 Services (ITES-2S...contract because of the material impact this contract will have on the acquisition of information technology resources within DoD and the Federal Government

  4. DEVELOPMENT OF TECHNOLOGICAL SOLUTIONS FOR THE BEVERAGE INDUSTRY PREVENTIVE ORIENTATION

    Directory of Open Access Journals (Sweden)

    N. V. Nepovinnykh

    2014-01-01

    Full Text Available Summary. Market demand for foods with low fat content has been expanding, but for low-fat foods good organoleptic properties need new food ingredients and solutions. Food hydrocolloids, polysaccharides and milk proteins, now are widely used in various industries, including the dairy industry, performing various functions: to thicken aqueous solutions, foaming and stabilizing foams and others. We studied the functional and technological properties and developed technology of new types of oxygencontaining beverages (smoothies on the basis of cheese whey, natural fruit and berry juices and purees and dietary fibres «Citri-Fi», including non-starch polysaccharides (guar gum and xanthan gum, contributing to the formation of a specific texture and drink as stabilizers oxygen foam. When creating new kinds of smoothies performed construction flavored beverage profile, the definition of rational parameters of preparation and entering dietary fibres; selection of the optimal concentration of dietary fiber for the formation of the desired consistency (texture drink; study of quality and safety of new types of drinks and justification expiration dates. Based on the studies found that the use as stabilizers structure oxygen smoothie dietary fibres «Citri-Fi» in concentrations of 0.8 – 1 % and non-starch polysaccharides at concentrations of 0.1 - 0.3 % contributes to the production of foams drinks with a sufficiently high magnification. Increasing the dose of dietary fibres in making smoothies viscosity increases and weighting system, drink bad whipped, there is separation of the product into phases, the system becomes thermodynamically unstable. Production technology and recipes for new types of smoothies with dietary fibres. Preventive orientation developed oxygenated drinks allows to include them in the diet of patients with chronic heart failure, which is confirmed by appropriate investigations.

  5. Problems and Solutions in EP Technologies

    OpenAIRE

    1998-01-01

    The paper contains a brief comparative analysis of different tools for electronic publishing including publishing of an electronic clone of a POP journal and an electronic journal with a POP version. The analysis is based on the experience gained by the Electronic Publishing Group of Geophysical Center, RAS which was involved in the creation of these types of journals (seven titles with nearly 2000 papers) under a grant agreement with the American Geophysical Union.

  6. Solutions of corrosion Problems in advanced Technologies

    DEFF Research Database (Denmark)

    Montgomery, Melanie; Karlsson, Asger

    1999-01-01

    Austenitic and ferritic steels were exposed in the superheater area of a straw-fired CHP plant. The specimens were exposed for 1400 hours at 450-600°C. The rate of corrosion was assessed based on unattacked metal remaining. The corrosion products and course of corrosion for the various steel types...... were investigated using light optical and scanning electron microscopy. The ferritic steels suffered from corrosion mainly via material loss. The austenitic steels suffered from predominantly selective corrosion resulting in chromium depletion from the alloy. A clear trend was observed that selective...... corrosion increased with increasing chromium content of the alloy....

  7. Microfluidic System for Solution Array Based Bioassays

    Energy Technology Data Exchange (ETDEWEB)

    Dougherty, G M; Tok, J B; Pannu, S S; Rose, K A

    2006-02-10

    The objective of this project is to demonstrate new enabling technology for multiplex biodetection systems that are flexible, miniaturizable, highly automated, low cost, and high performance. It builds on prior successes at LLNL with particle-based solution arrays, such as those used in the Autonomous Pathogen Detection System (APDS) successfully field deployed to multiple locations nationwide. We report the development of a multiplex solution array immunoassay based upon engineered metallic nanorod particles. Nanobarcodes{reg_sign} particles are fabricated by sequential electrodeposition of dissimilar metals within porous alumina templates, yielding optically encoded striping patterns that can be read using standard laboratory microscope optics and PC-based image processing software. The addition of self-assembled monolayer (SAM) coatings and target-specific antibodies allows each encoded class of nanorod particles to be directed against a different antigen target. A prototype assay panel directed against bacterial, viral, and soluble protein targets demonstrates simultaneous detection at sensitivities comparable to state of the art immunoassays, with minimal cross-reactivity. Studies have been performed to characterize the colloidal properties (zeta potential) of the suspended nanorod particles as a function of pH, the ionic strength of the suspending solution, and surface functionalization state. Additional studies have produced means for the non-contact manipulation of the particles, including the insertion of magnetic nickel stripes within the encoding pattern, and control via externally applied electromagnetic fields. Using the results of these studies, the novel Nanobarcodes{reg_sign} based assay was implemented in a prototype automated system with the sample processing functions and optical readout performed on a microfluidic card. The unique physical properties of the nanorod particles enable the development of integrated microfluidic systems for

  8. Design of warehouse management delivery solution based on RFID technology%基于RFID技术的仓储管理提货方案设计

    Institute of Scientific and Technical Information of China (English)

    侯胜宇; 顾翠伶; 冯锋

    2012-01-01

    针对目前现代化仓储管理的需求,结合RFID技术的特点,设计了一种基于EPC编码规则的仓管人员提货管理方案。通过对提货人员EPC特殊编码,从而实现提货权限的合理分配与管理。有效解决了大型仓库出入库操作的复杂流程,大大减少提货出错问题,满足了现代化仓储管理的需求。%For the current demand of modern warehouse management,combined with the characteristics of RFID technology;Design a permission management on the warehouse staff based on a coding rule of the EPC deliveries.Achieve a rational allocation of delivery rights and management through EPC delivery personnel special coding.Effectively resolve the complex processes of storage operations of a large warehouse,greatly reducing delivery errors and satisfying the needs of the modern warehouse management.

  9. Building America Case Study: Apartment Compartmentalization with an Aerosol-Based Sealing Process - Queens, NY; Technology Solutions for New and Existing Homes, Energy Efficiency & Renewable Energy (EERE)

    Energy Technology Data Exchange (ETDEWEB)

    None

    2015-07-01

    Air sealing of building enclosures is a difficult and time-consuming process. Current methods in new construction require laborers to physically locate small and sometimes large holes in multiple assemblies and then manually seal each of them. The innovation demonstrated under this research study was the automated air sealing and compartmentalization of buildings through the use of an aerosolized sealant, developed by the Western Cooling Efficiency Center at University of California Davis.
    CARB sought to demonstrate this new technology application in a multifamily building in Queens, NY. The effectiveness of the sealing process was evaluated by three methods: air leakage testing of overall apartment before and after sealing, point-source testing of individual leaks, and pressure measurements in the walls of the target apartment during sealing. Aerosolized sealing was successful by several measures in this study. Many individual leaks that are labor-intensive to address separately were well sealed by the aerosol particles. In addition, many diffuse leaks that are difficult to identify and treat were also sealed. The aerosol-based sealing process resulted in an average reduction of 71% in air leakage across three apartments and an average apartment airtightness of 0.08 CFM50/SF of enclosure area.

  10. Designing a total data solution technology, implementation, and deployment

    CERN Document Server

    Burkey, Roxanne

    2000-01-01

    Your company's global competitiveness depends on the utilization and maintenance of information. Current data handling practices-storing, updating, and accessing data-can be either a problem or a significant strategic advantage for your company. Designing a Total Data Storage Solution: Technology, Implementation, and Deployment gives you the information you need to compare current technologies and determine which is best suited to your enterprise.This book defines and explains the components that make up total cost of ownership along with the impact of integrating current changes in technology

  11. The Solutions of Substation Intellectual Management Based on RFID Technology%基于射频标签技术的变电站智能化管理解决方案分析

    Institute of Scientific and Technical Information of China (English)

    李春晓; 高冰; 李保罡

    2014-01-01

    论述了物联网技术作为信息通信技术发展中的一门新技术,对各行各业的信息化进程产生了深远的影响,在智能电网中的发、输、变、配、用各个环节更是进行了大量应用。基于物联网中射频标签(RFID)技术的不同频段特点,对变电站智能化管理解决方案进行整体设计和分析,并得出一些有益的结论,为今后智能变电站的信息化设计提供一些借鉴。%As a new technology in the development of information communication technology,the technology of Internet of Things has a profound impact on the informatization process of all trades and professions. It has carried on a large amount of application in each link of smart grid,such as power generation,transmission,distribution,and power usage. In this paper,the solution for substation intellectual management is designed and analysed based on band characteristics of RFID technology. Some useful conclusions are drawn to provide some references for the design of substation informatization in the future.

  12. A Solution of Campus Security Based on the ZigBee Internet of Things Technology%一种基于ZigBee物联网技术的校园安防解决方案

    Institute of Scientific and Technical Information of China (English)

    王玉洁; 桑永胜

    2012-01-01

    为解决校园安防监控问题.提出一种基于物联网技术的解决方案。方案采用ZigBee技术构建无线传感网络,将带有传感器的终端设备加入网络,实现物物通信。其中,结合802.15.4协议详细阐述网络构建、节点加入及数据请求的过程。结果表明,利用物联网技术能实时精准地实现设备监控,且低成本,低功耗,更为有效解决校园安防监控的问题。%In order to solve the problems of campus security monitoring, proposes a solution based on the Internet of Things (IOT) technology. In the solution, the end device with sensor is joined in the networks which built by ZigBee technology, to achieve communication of things to things. With 802.15.4 standard, describes the process of network building, the nodes joining and data request in details. The result indicates that it can achieve device-monitoring real-time and accurate by using lOT technology, and it is low-cost, low-power-consumption and efficient approach for solving the problems of campus security monitoring.

  13. Digital Tools and Solutions for Inquiry-Based STEM Learning

    Science.gov (United States)

    Levin, Ilya, Ed.; Tsybulsky, Dina, Ed.

    2017-01-01

    In the digital age, the integration of technology has become a ubiquitous aspect of modern society. These advancements have significantly enhanced the field of education, allowing students to receive a better learning experience. "Digital Tools and Solutions for Inquiry-Based STEM Learning" is a comprehensive source of scholarly material…

  14. Building Science and Technology Solutions for National Problems

    Energy Technology Data Exchange (ETDEWEB)

    Bishop, Alan R. [Los Alamos National Laboratory

    2012-06-05

    The nation's investment in Los Alamos has fostered scientific capabilities for national security missions. As the premier national security science laboratory, Los Alamos tackles: (1) Multidisciplinary science, technology, and engineering challenges; (2) Problems demanding unique experimental and computational facilities; and (3) Highly complex national security issues requiring fundamental breakthroughs. Our mission as a DOE national security science laboratory is to develop and apply science, technology, and engineering solutions that: (1) ensure the safety, security, and reliability of the US nuclear deterrent; (2) protect against the nuclear threat; and (3) solve national security challenges.

  15. Nanoscale Materials and Devices - New Solutions for Information Technologies

    Science.gov (United States)

    Buhrman, Robert

    2003-03-01

    The continual scaling down of Si C-MOS circuits, the current annual doubling of magnetic storage density, and the regularly increasing capacity of fiber optic communications have resulted in enormous technological change, including a revolutionary transformation of all areas of science and engineering. Indeed the current capabilities of these information technologies both provide the quintessential demonstration that microtechnology, which is now transitioning to nanotechnology, can have tremendous societal impact, and provide essential means and methods by which other aspects of nanotechnology R can now be pursued. If the pace of advance in these information technologies is to be continued well into the future, new approaches and new solutions will be required to overcome the challenges this objective will entail. Nanoscaled material systems and new types of nanoscale devices have substantial promise for providing the basis for effective solutions to a number of these challenges. In this presentation I will briefly discuss research in the areas of nanoelectronics, nanophotonics and nanomagnetics that seeks to establish and develop some of these solutions. These include a radical new approach to Si electronics at the 10 nm scale, the use of nanoscaled materials to enable new photonic capabilities, and a new approach to manipulate nanomagnets for potential information storage and communication applications.

  16. Actinide solution processing at the Rocky Flats Environmental Technology Site

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1995-04-01

    The Department of Energy (DOE) has prepared an Environmental Assessment (EA), DOE/EA-1039, for radioactive solution removal and processing at Rocky Flats Environmental Technology Site, Golden, Colorado. The proposal for solution removal and processing is in response to independent safety assessments and an agreement with the State of Colorado to remove mixed residues at Rocky Flats and reduce the risk of future accidents. Monthly public meetings were held during the scoping and preparation of the EA. The scope of the EA included evaluations of alternative methods and locations of solution processing. A comment period from February 20, 1995 through March 21, 1995 was provided to the public and the State of Colorado to offer written comment on the EA. Comments were received from the State of Colorado and the U.S. Environmental Protection Agency. A response to the agency comments is included in the Final EA.

  17. Pre-certification based technology solution for fast switching authentication in wireless Mesh network%基于预认证的无线M esh网络快速切换认证技术方案

    Institute of Scientific and Technical Information of China (English)

    张钧媛; 郑小芳

    2015-01-01

    为了保证无线Mesh网络链路切换过程的快速与安全性,运用了CPK标识认证技术,参照了IKEv2认证与密钥交换协议的设计方法,按照安全协议设计原则,设计了基于预认证的无线Mesh网络快速认证技术方案,包括基于预认证的端到端认证与加密方案和快速重认证方案。通过方案性能与安全性分析,方案在实现安全快速的同时还兼具了很好的性能。%In order to ensure the celerity and security in link switching process of wireless Mesh network,the CPK identity authentication technology is used and the design method of IKEv2 authentication and key exchange protocol is referred. The pre⁃certification based technology solution for fast switching authentication in wireless Mesh network is designed according to the se⁃curity protocol design principle. The solution includes two parts,end⁃to⁃end authentication and encryption scheme based on pre⁃certification and fast re⁃authentication scheme. The analyses of the scheme performance and security show that the scheme is characterized by celerity and security as well as good performance.

  18. 基于虚拟化技术的云终端应用解决方案%Solution of Cloud Terminal Application Based on Virtualization Technology

    Institute of Scientific and Technical Information of China (English)

    叶水勇; 朱兵; 李宏山; 宋浩杰; 王阳; 唐波

    2016-01-01

    With the fast development of information construction, there are many problems with desktop ofifce terminal, such as high operational cost, high power consumption, dififculties in managing terminals and high-frequency assessment issues of information security. This paper introduced the technology design of Cloud Terminal System construction from system, application, business, technology, data and security aspects. As an office support platform, Cloud Terminal System can signiifcantly reduce power consumption and operation cost of desktop terminals, and improve the security of critical data, thus the management of enterprises’ information.%随着信息化建设的高速发展,桌面办公终端会出现运维成本高、能源消耗大、终端管理困难以及容易出现信息安全考核事件等诸多问题。基于此,从系统的体系架构、应用架构、业务架构、技术架构、数据架构、安全架构等方面详细介绍了云终端系统建设的技术方案。云终端系统作为企业的办公支撑平台,可以大大降低桌面终端的能耗,减少桌面终端的运维成本,提高企业关键数据的安全性,从而进一步提高企业信息化的管理水平。

  19. Plasma technology - a novel solution for CO2 conversion?

    Science.gov (United States)

    Snoeckx, Ramses; Bogaerts, Annemie

    2017-08-21

    CO2 conversion into value-added chemicals and fuels is considered as one of the great challenges of the 21st century. Due to the limitations of the traditional thermal approaches, several novel technologies are being developed. One promising approach in this field, which has received little attention to date, is plasma technology. Its advantages include mild operating conditions, easy upscaling, and gas activation by energetic electrons instead of heat. This allows thermodynamically difficult reactions, such as CO2 splitting and the dry reformation of methane, to occur with reasonable energy cost. In this review, after exploring the traditional thermal approaches, we have provided a brief overview of the fierce competition between various novel approaches in a quest to find the most effective and efficient CO2 conversion technology. This is needed to critically assess whether plasma technology can be successful in an already crowded arena. The following questions need to be answered in this regard: are there key advantages to using plasma technology over other novel approaches, and if so, what is the flip side to the use of this technology? Can plasma technology be successful on its own, or can synergies be achieved by combining it with other technologies? To answer these specific questions and to evaluate the potentials and limitations of plasma technology in general, this review presents the current state-of-the-art and a critical assessment of plasma-based CO2 conversion, as well as the future challenges for its practical implementation.

  20. Home-based Healthcare Technology

    DEFF Research Database (Denmark)

    Verdezoto, Nervo

    of these systems target a specific treatment or condition and might not be sufficient to support the care management work at home. Based on a case study approach, my research investigates home-based healthcare practices and how they can inform future design of home-based healthcare technology that better account...

  1. 面向GSM/UMTS技术的移动通信综合解决方案%The Mobile Communication Network Comprehensive Solution Based on the GSM/UMTS Technology

    Institute of Scientific and Technical Information of China (English)

    徐勇

    2012-01-01

    In this paper, to Mauritius MTML Phase I& II,for example, the mobile communication network comprehensive solution based on the GSM/UMTS Technology has been introduced. Firstly, the network plan & design , microwave transmission plan which are referred to the MTML GSM/UMTS network are discussed systematically. Then, the products technical solutions & network constructions for GSM/UMTS network are discussed detailedly.%以毛里求斯MTMLI,II期为例,介绍面向GSM/UMTS技术的移动通信综合方案。首先较为系统地就MTML GSM/UMTS全网综合解决方案中涉及到的网络规划、微波传输规划等进行了讨论。之后就GSM/UMTS移动通信系统综合解决方案中,涉及到各专业产品技术方案与网络架构等,进行了较为详细地展开阐述。

  2. Improving conditions for reuse of design solutions - by means of a context based solution library

    DEFF Research Database (Denmark)

    Mortensen, Niels Henrik; Grothe-Møller, Thorkild; Andreasen, Mogens Myrup

    1997-01-01

    Among the most important reasoning mechanisms in design is reasoning by analogy. One precondition for being able to reason about the properties and functionalitues of a product or subsystem is that the context of the solution is known. This paper presents a computer based solution library where...... solutions have context. The library has aluminium technology as application area and has been developed in co-operation between the Technical University of Denmark, SkanAluminium and leading aluminium companies within Scandinavia. The library has been tested in a number of companies and good results have...... been obtained. So fare more than 400 companies, universities and engineering academies have decided to utilise the solution library...

  3. Rare resource supply crisis and solution technology for semiconductor manufacturing

    Science.gov (United States)

    Fukuda, Hitomi; Hu, Sophia; Yoo, Youngsun; Takahisa, Kenji; Enami, Tatsuo

    2016-03-01

    There are growing concerns over future environmental impact and earth resource shortage throughout the world and in many industries. Our semiconductor industry is not excluded. "Green" has become an important topic as production volume become larger and more powerful. Especially, the rare gases are widely used in semiconductor manufacturing because of its inertness and extreme chemical stability. One major component of an Excimer laser system is Neon. It is used as a buffer gas for Argon (Ar) and Krypton (Kr) gases used in deep ultraviolet (DUV) lithography laser systems. Since Neon gas accounting for more than 96% of the laser gas mixture, a fairly large amount of neon gas is consumed to run these DUV lasers. However, due to country's instability both in politics and economics in Ukraine, the main producer of neon gas today, supply reduction has become an issue and is causing increasing concern. This concern is not only based on price increases, but has escalated to the point of supply shortages in 2015. This poses a critical situation for the semiconductor industry, which represents the leading consumer of neon gas in the world. Helium is another noble gas used for Excimer laser operation. It is used as a purge gas for optical component modules to prevent from being damaged by active gases and impurities. Helium has been used in various industries, including for medical equipment, linear motor cars, and semiconductors, and is indispensable for modern life. But consumption of helium in manufacturing has been increased dramatically, and its unstable supply and price rise has been a serious issue today. In this article, recent global supply issue of rare resources, especially Neon gas and Helium gas, and its solution technology to support semiconductor industry will be discussed.

  4. Women, e-waste, and technological solutions to climate change.

    Science.gov (United States)

    McAllister, Lucy; Magee, Amanda; Hale, Benjamin

    2014-06-14

    In this paper, we argue that a crossover class of climate change solutions (which we term "technological solutions") may disproportionately and adversely impact some populations over others. We begin by situating our discussion in the wider climate discourse, particularly with regard to the Millennium Development Goals (MDGs) and the Basel Convention. We then suggest that many of the most attractive technological solutions to climate change, such as solar energy and electric car batteries, will likely add to the rapidly growing stream of electronic waste ("e-waste"). This e-waste may have negative downstream effects on otherwise disenfranchised populations. We argue that e-waste burdens women unfairly and disproportionately, affecting their mortality/morbidity and fertility, as well as the development of their children. Building on this, we claim that these injustices are more accurately captured as problems of recognition rather than distribution, since women are often institutionally under-acknowledged both in the workplace and in the home. Without institutional support and representation, women and children are deprived of adequate safety equipment, health precautions, and health insurance. Finally, we return to the question of climate justice in the context of the human right to health and argue for greater inclusion and recognition of women waste workers and other disenfranchised groups in forging future climate agreements.

  5. SCORM: A Solution for ICT-Based LMS Performance Enhancement

    Directory of Open Access Journals (Sweden)

    Boby Antony

    2015-01-01

    Full Text Available Transformation has been happening in every field with the help of Information and Communication Technology (ICT. ICT is revolutionizing every aspect of an education sector in this digital era. To enhance the sustainability of higher education it is very much required to integrate ICT-based tools. This study analyses the key features of ICT-based Learning Management Systems (LMS so as to enhance the efficiency of teaching-learning process in higher education. This paper also proposes a SCORM enabled technological hybrid LMS framework as a solution for the challenges faced by present LMS.

  6. Finding the right technology solutions to secure our borders

    CSIR Research Space (South Africa)

    Venter, CP

    2015-10-01

    Full Text Available stream_source_info Venter-2015.pdf.txt stream_content_type text/plain stream_size 1509 Content-Encoding UTF-8 stream_name Venter-2015.pdf.txt Content-Type text/plain; charset=UTF-8 Finding the right technology solutions... • Real-life field conditions • Simulated events Maritime Scenario • Maritime and Harbour Protection in Saldanha area • Refugee Influx, Intertidal Poaching, Vessel Interception • Specific “Injects” – plausible events simulated • Various...

  7. Bringing nature-based solutions to scale

    Science.gov (United States)

    Jongman, Brenden; Lange, Glenn-Marie; Balog, Simone; van Wesenbeeck, Bregje

    2017-04-01

    Coastal communities in developing countries are highly exposed and vulnerable to coastal flood risk, and are likely to suffer from climate change induced changes in risk. Over the last decade, strong evidence has surfaced that nature-based solutions or ecosystem-based approaches are efficient and effective alternatives for flood risk reduction and climate change adaptation. In developing countries, numerous projects have therefore been implemented, often driven by international donors and NGOs. Some of these projects have been successful in reducing risk while improving environmental and socioeconomic conditions. However, the feasibility assessment, design and implementation of nature-based solutions is a multifaceted process, which needs to be well-understood before such solutions can be effectively implemented as an addition or alternative to grey infrastructure. This process has not always been followed. As a result, many projects have failed to deliver positive outcomes. The international community therefore has a challenge in bringing nature-based solutions to scale in an effective way. In this presentation, we will present best practice guidelines on nature-based solution implementation that are currently being discussed by the international community. Furthermore, we will present the alpha version of a new web platform being developed by the World Bank that will serve as a much-needed central repository for project information on nature-based solutions, and that will host actionable implementation guidelines. The presentation will also serve as an invitation to the scientific community to share their experience and lessons learned, and contribute to the outlining of best practice guidance.

  8. [Advances in peroxide-based decontaminating technologies].

    Science.gov (United States)

    Xi, Hai-ling; Zhao, San-ping; Zhou, Wen

    2013-05-01

    With the boosting demand for eco-friendly decontaminants, great achievements in peroxide-based decontaminating technologies have been made in recent years. These technologies have been applied in countering chemical/biological terrorist attacks, dealing with chemical/biological disasters and destructing environmental pollutants. Recent research advances in alpha-nucleophilic/oxidative reaction mechanisms of peroxide-based decontamination against chemical warfare agents were reviewed, and some classical peroxide-based decontaminants such as aqueous decontaminating solution, decontaminating foam, decontaminating emulsions, decontaminating gels, decontaminating vapors, and some newly developed decontaminating media (e.g., peroxide-based self-decontaminating materials and heterogeneous nano-catalytic decontamination systems) were introduced. However, currently available peroxide-based decontaminants still have some deficiencies. For example, their decontamination efficiencies are not as high as those of chlorine-containing decontaminants, and some peroxide-based decontaminants show relatively poor effect against certain agents. More study on the mechanisms of peroxide-based decontaminants and the interfacial interactions in heterogeneous decontamination media is suggested. New catalysts, multifunctional surfactants, self-decontaminating materials and corrosion preventing technologies should be developed before peroxide-based decontaminants really become true "green" decontaminants.

  9. Technology base for microgravity horticulture

    Science.gov (United States)

    Sauer, R. L.; Magnuson, J. W.; Scruby, R. R.; Scheld, H. W.

    1987-01-01

    Advanced microgravity plant biology research and life support system development for the spacecraft environment are critically hampered by the lack of a technology base. This inadequacy stems primarily from the fact that microgravity results in a lack of convective currents and phase separation as compared to the one gravity environment. A program plan is being initiated to develop this technology base. This program will provide an iterative flight development effort that will be closely integrated with both basic science investigations and advanced life support system development efforts incorporating biological processes. The critical considerations include optimum illumination methods, root aeration, root and shoot support, and heat rejection and gas exchange in the plant canopy.

  10. Greener power generation technologies. Solutions for carbon capture

    Energy Technology Data Exchange (ETDEWEB)

    Reimuth, Oliver; Kremer, Hermann; Vortmeyer, Nicolas [Siemens AG, Erlangen (Germany)

    2011-07-01

    Fossil-based power generation will continue to account for a dominant share of over 50 % in the future energy mix. In order to meet the requirements of climate protection, a combination of highly-efficient, flexible combined cycle power plants and the use of CCS in coal-based power generation will be necessary. In addition to funding of the first demonstration projects comprehensive statutory framework and public acceptance are necessary for launching CCS technology. (orig.)

  11. Solutions based on load balancing technology to the access pressure of network tasks%基于负载均衡技术的网络作业系统访问压力解决方案

    Institute of Scientific and Technical Information of China (English)

    于梅英; 张海波; 王春彦

    2011-01-01

    为解决网上作业系统访问压力与数据阻塞问题,提出了一种应用缓存技术、负载均衡技术的解决方案,并对网上作业系统的信息载入慢、服务器压力大、成绩试算次数过多3个关键问题设计了相应的解决算法.经兰州大学网络教育学院网上作业系统运行验证,表明实施解决方案后,能够有效地降低因访问过于集中而引起的网络阻塞和死锁问题,提高作业系统的稳定性和有效性.%In order to solve the problem of the high access pressure of network task system and data blocking, this article proposes solutions based on cache technology and load balancing technology,and a plan for solving three key problems: low speed of information load of network task system, high pressure of server and too many times of pilot calculation for scores. We also tested the network task system on the website of Lanzhou University Distance Education College. The result shows that applying it can effectively solve the problem of network being blocked or locked caused by excessive access so as to enhance the stability and effectiveness of the network task system.

  12. Technological Solutions to Social and Citizen Problems. The Case of Civic and Public Challenges in Mexico

    Directory of Open Access Journals (Sweden)

    Martin Adalberto TENA-ESPINOZA-DE-LOS-MONTEROS

    2017-04-01

    Full Text Available This paper describes the process of civic innovation that, based on technological solutions and open initiatives, the civic society’s organization Codeando México suggests for the attention and solution of social and civic problems in Mexico. The Retos Cívicos (Civic Challenges and Retos Públicos (Public Challenges initiatives are addressed and described as experiences of innovation in the implementation of technological strategies for the solution of social and civic problems. A reflection is made on the civic appropriation of the ICTs and its irruption in the processes of innovation, as well as on the impact that the ICTs have in the conformation of a new civic ecosystem. Last, the strategies of Hacking cívico (Civic Hacking and Comunidades Cívicas (Civic Communities that the Codeando México organization promotes as a model for the linkage and civic participation within the frame of civic innovation, are mentioned.

  13. Technology Transfer in the EU: Exporting Strategically Important ICT Solutions to Other EU Member States

    Directory of Open Access Journals (Sweden)

    Säär Anni

    2015-10-01

    Full Text Available The fast development of ICTs pose new challenges to the European Union and its Member States. Every EU country has its own policies regarding technology transfer, ownership of state e-services, and the possibilities how the state-owned or licensed e-service could be exported. Taking into account the free movement of goods, the EU has created a platform to cooperate and export IT solutions. However, the lack of preparedness of infrastructures, legislation and stakeholders for cross-border exchanges poses a threat to IT transfer and should be taken into consideration in the EU as well. In the coming decades the number of outsourced ICT solutions, strategically important ICT solutions, public services and critically important information exchange platforms developed on behalf of the states, will grow exponentially. Still, digital development is uneven across the EU, they grow at different speeds and the performance is quite splintered. There are legal provisions which are outdated and therefore impede technological cooperation and export of IT solutions. A Member State may restrict the ICT licensing based on national security and policy reasons and the ownership of intellectual property might pose a threat to technology transfer or further development of the IT solution. There are examples of strategically important export of ICT solutions, the experience at which can be expanded to cover other EU Member States. Strong collaboration would enable mutual learning from past experiences along with the opportunities for better use of technology. Parallels can be drawn with military technology transfers, as the policies and legal framework was first developed and mostly used with them.

  14. Solution-based nanoengineering of materials.

    Energy Technology Data Exchange (ETDEWEB)

    Criscenti, Louise Jacqueline; Spoerke, Erik David; Liu, Jun; Voigt, James A.; Cygan, Randall Timothy; Machesky, Michael L. (Illinois State Water Survey, Champaign, IL); Tian, Zhengrong Ryan; McKenzie, Bonnie Beth

    2005-02-01

    Solution-based synthesis is a powerful approach for creating nano-structured materials. Although there have been significant recent successes in its application to fabricating nanomaterials, the general principles that control solution synthesis are not well understood. The purpose of this LDRD project was to develop the scientific principles required to design and build unique nanostructures in crystalline oxides and II/VI semiconductors using solution-based molecular self-assembly techniques. The ability to synthesize these materials in a range of different nano-architectures (from controlled morphology nanocrystals to surface templated 3-D structures) has provided the foundation for new opportunities in such areas as interactive interfaces for optics, electronics, and sensors. The homogeneous precipitation of ZnO in aqueous solution was used primarily as the model system for the project. We developed a low temperature, aqueous solution synthesis route for preparation of large arrays of oriented ZnO nanostructures. Through control of heterogeneous nucleation and growth, methods to predicatively alter the ZnO microstructures by tailoring the surface chemistry of the crystals were established. Molecular mechanics simulations, involving single point energy calculations and full geometry optimizations, were developed to assist in selecting appropriate chemical systems and understanding physical adsorption and ultimately growth mechanisms in the design of oxide nanoarrays. The versatility of peptide chemistry in controlling the formation of cadmium sulfide nanoparticles and zinc oxide/cadmium sulfide heterostructures was also demonstrated.

  15. An overview of innovations and industrial solutions in Protein Microarray Technology.

    Science.gov (United States)

    Gupta, Shabarni; Manubhai, K P; Kulkarni, Vishwesh; Srivastava, Sanjeeva

    2016-04-01

    The complexity involving protein array technology reflects in the fact that instrumentation and data analysis are subject to change depending on the biological question, technical compatibility of instruments and software used in each experiment. Industry has played a pivotal role in establishing standards for future deliberations in sustenance of these technologies in the form of protein array chips, arrayers, scanning devices, and data analysis software. This has enhanced the outreach of protein microarray technology to researchers across the globe. These have encouraged a surge in the adaptation of "nonclassical" approaches such as DNA-based protein arrays, micro-contact printing, label-free protein detection, and algorithms for data analysis. This review provides a unique overview of these industrial solutions available for protein microarray based studies. It aims at assessing the developments in various commercial platforms, thus providing a holistic overview of various modalities, options, and compatibility; summarizing the journey of this powerful high-throughput technology.

  16. Physics Guidelines and Technological Solutions for Meaningful Fusion Burning Experiments

    Science.gov (United States)

    Celentano, G.; Coppi, B.; Cucchiaro, A.

    2001-10-01

    The design of the Ignitor machine incorporates a series of solutions that allows it to produce plasma currents up to 11 MA with an adequate safety factor in a compact confinement configuration. The consequent record high poloidal magnetic pressures p_Mp=\\overline\\overlineB^2_p/(2μ_0) makes it possible to achieve ignition at low temperatures and to have a number of contained thermal particle orbits not inferior to that of much larger devices such as ITER-FEAT. In fact, the key parameter of merit for comparison among different machines(J.H. Schultz et al.,Advanced magnets and implications for BPX), BPS Workshop II (G.A. San Siego, CA, 2001) has been recognized to be of the type I_pAq_ψ/R_0, where Ip is the plasma current, A the aspect ratio, R0 the major radius and q_ψ the plasma safety factor. The combined technological solutions are the ''bucking and wedging" concept of the toroidal magnet, the adoption of compression rings, of a (horizontal) magnetic press, the He-subcooling of the (copper) coils and the splitting and grading of the central solenoid. Work sponsored in part by ENEA of Italy and by the US Department of Energy.

  17. Renewable energy technologies adoption in Kazakhstan: potentials, barriers and solutions

    Science.gov (United States)

    Karatayev, Marat; Marazza, Diego; Contin, Andrea

    2015-04-01

    The growth in environmental pollution alongside an increasing demand for electricity in Kazakhstan calls for a higher level of renewable energy penetration into national power systems. Kazakhstan has great potential for renewable energies from wind, solar, hydro and biomass resources that can be exploited for electricity production. In 2013, the Kazakhstani Ministry of Energy initiated a new power development plan, which aims to bring the share of renewable energy to 3% by 2020 rising to 30% by 2030 and 50% by 2050. The current contribution of renewable energy resources in the national electricity mix, however, is less than 1%. As a developing country, Kazakhstan has faced a number of barriers to increase renewable energy use, which have to be analysed and translated into a comprehensive renewable energy policy framework. This study presents an overview of the current conditions of renewable energy development in Kazakhstan. Secondly, it identifies and describes the main barriers that prevent diffusion of renewable energy technologies in Kazakhstan. Finally, the paper provides solutions to overcome specific barriers in order to successfully develop a renewable energy technology sector in Kazakhstan.

  18. Traceability information carriers. The technology backgrounds and consumers' perceptions of the technological solutions

    DEFF Research Database (Denmark)

    Chrysochou, Polymeros; Chryssochoidis, George; Kehagia, Olga

    2009-01-01

    The implementation of traceability in the food supply chain has reinforced adoption of technologies with the ability to track forward and trace back product-related information. Based on the premise that these technologies can be used as a means to provide product-related information to consumers......, this paper explores the perceived benefits and drawbacks of such technologies. The aim is to identify factors that influence consumers' perceptions of such technologies, and furthermore to advise the agri-food business on issues that they should consider prior to the implementation of such technologies...... in their production lines. For the purposes of the study, a focus group study was conducted across 12 European countries, while a set of four different technologies used as a means to provide traceability information to consumers was the focal point of the discussions in each focus group. Results show that the amount...

  19. SHARING AND DEPLOYING INNOVATIVE INFORMATION TECHNOLOGY SOLUTIONS TO MANAGE WASTE ACROSS THE DOE COMPLEX

    Energy Technology Data Exchange (ETDEWEB)

    Crolley, R.; Thompson, M.

    2011-01-31

    There has been a need for a faster and cheaper deployment model for information technology (IT) solutions to address waste management needs at US Department of Energy (DOE) complex sites for years. Budget constraints, challenges in deploying new technologies, frequent travel, and increased job demands for existing employees have prevented IT organizations from staying abreast of new technologies or deploying them quickly. Despite such challenges, IT organizations have added significant value to waste management handling through better worker safety, tracking, characterization, and disposition at DOE complex sites. Systems developed for site-specific missions have broad applicability to waste management challenges and in many cases have been expanded to meet other waste missions. Radio frequency identification (RFID) and global positioning satellite (GPS)-enabled solutions have reduced the risk of radiation exposure and safety risks. New web-based and mobile applications have enabled precision characterization and control of nuclear materials. These solutions have also improved operational efficiencies and shortened schedules, reduced cost, and improved regulatory compliance. Collaboration between US Department of Energy (DOE) complex sites is improving time to delivery and cost efficiencies for waste management missions with new information technologies (IT) such as wireless computing, global positioning satellite (GPS), and radio frequency identification (RFID). Integrated solutions developed at separate DOE complex sites by new technology Centers of Excellence (CoE) have increased material control and accountability, worker safety, and environmental sustainability. CoEs offer other DOE sister sites significant cost and time savings by leveraging their technology expertise in project scoping, implementation, and ongoing operations.

  20. Space-Based Observation Technology

    Science.gov (United States)

    2007-11-02

    jusqu’ici par des systèmes aéroportés, par des systèmes spatiaux. Les capteurs spatiaux sont des capteurs radar et optiques . Les capteurs optiques ...de l’observation de la terre à partir de capteurs spatiaux offre de nombreux avantages par rapport à l’observation à partir de capteurs terrestres...résolution optique . Le SAR a également d’autres fonctionnalités telles que la classification basée sur les techniques Doppler ou la polarimétrie, la

  1. Technologies and solutions for data display in the operating room.

    Science.gov (United States)

    Bitterman, Noemi

    2006-06-01

    Recent advances in technology have led to the introduction of a variety of innovative devices, each with their own platform for data display, into the operating room (OR). While these innovative applications are expanding the traditional boundaries of the surgical space and enhancing treatment capabilities, the introduction of additional screens and displays is placing an ever-increasing load on the OR team. This review describes the main data display platforms currently available in ORs: computer monitors with CRT (cathode ray tube) or LCD (liquid crystal display) screens, suspended imaging displays, wearable computers (WC), auditory displays and tactile (haptic) displays. The different display platforms are evaluated according to their compatibility with the characteristics of the working environment (OR), the monitoring task, and the users (the surgical team). No single display configuration provides an ultimate solution for presenting patient data in the OR. A multi-sensory data display including visual, acoustic and haptic manipulation is suggested as a promising configuration for data display in the OR.

  2. Cellulose-Based Membranes for Solutes Fractionation

    Science.gov (United States)

    Anokhina, T. S.; Yushkin, A. A.; Volkov, V. V.; Antonov, S. V.; Volkov, A. V.

    This work was focused on investigation of industrial cellophane film as a membrane material for solvent nanofiltration. The effect of conditioning of cellophane membranes by stepwise changing of composition of ethanol-water binary mixtures (from ethanol to water and from water to ethanol) was studied. It was shown that such treatment leads to an increase of ethanol permeability more than two orders of magnitude over initial untreated film samples. Treated cellophane membranes possess the ethanol permeability coefficient comparable with the values for highly permeability glassy polymers. Investigation of cellophane swelling in water ethanol solutions allowed to conclude that during the treatment formation of porous in the film takes place due to increase of inter chain distances. Observed high ethanol permeability connected with the fact that formed porous structure remains after the replacement of water with ethanol. Also it was shown that rejection coefficients of a number of dyes (MW 350) were in good agreement with the degree of hydrophobicity/hydrophilicity and ability of the solvent to form hydrogen bonding with the solute molecules. It was demonstrated that cellulose-based membranes can be complimentary for other type of the membranes in fractionation of multi-components solutions.

  3. Traceability information carriers. The technology backgrounds and consumers' perceptions of the technological solutions.

    Science.gov (United States)

    Chrysochou, Polymeros; Chryssochoidis, George; Kehagia, Olga

    2009-12-01

    The implementation of traceability in the food supply chain has reinforced adoption of technologies with the ability to track forward and trace back product-related information. Based on the premise that these technologies can be used as a means to provide product-related information to consumers, this paper explores the perceived benefits and drawbacks of such technologies. The aim is to identify factors that influence consumers' perceptions of such technologies, and furthermore to advise the agri-food business on issues that they should consider prior to the implementation of such technologies in their production lines. For the purposes of the study, a focus group study was conducted across 12 European countries, while a set of four different technologies used as a means to provide traceability information to consumers was the focal point of the discussions in each focus group. Results show that the amount of and confidence in the information provided, perceived levels of convenience, impact on product quality and safety, impact on consumers' health and the environment, and potential consequences on ethical and privacy liberties constitute important factors influencing consumers' perceptions of technologies that provide traceability.

  4. Innovative Technologies for the Solution of Environmental Problems in the World Community

    Directory of Open Access Journals (Sweden)

    T. K. Usmanova

    2017-01-01

    Full Text Available Purpose: the purpose of the article is the disclosure of environmental problems and prospects commercialization of intellectual property within development of innovative information technologies in the conditions of integration of economies into the world economy, identification of opportunities of forming, organization, financing, management, ownership, commercialization and protection of innovative technologies and intellectual property. Relevance of the chosen subject is caused by the current state of ecology and problems of commercialization of intellectual property in development of innovative information technologies within the conditions of integration of economies into the world economy. The existing changes of the current legislation and tendencies of development of the industry of innovative information technologies in field of ecology in the Russian Federation require cardinal review because of its low competitiveness. Ensuring sustainable development of the country directly depends on implementation of innovative information technologies, not only within the sphere of ecology, but also in all industries of the national economy of Russia. Especially important direction of development of innovations is the field of information technologies with its further implementation in innovative productions and provision of services with a focus on protection of ecology and healthcare. Methods: the methodology of the solution of objectives is based on usage of a method of dialectic research, methods of the economic analysis, forecasting, the situational and systemic analysis, expert evaluations and the analysis of empirical data. Results: in the process of researching the direction of solving environmental problems, the author studied foreign and Russian programs based on innovative technologies in this field and identified current proposals regarding the practical implementation of partnerships in the form of Public Private Partnerships PPPs

  5. Cultural and Technological Issues and Solutions for Geodynamics Software Citation

    Science.gov (United States)

    Heien, E. M.; Hwang, L.; Fish, A. E.; Smith, M.; Dumit, J.; Kellogg, L. H.

    2014-12-01

    Computational software and custom-written codes play a key role in scientific research and teaching, providing tools to perform data analysis and forward modeling through numerical computation. However, development of these codes is often hampered by the fact that there is no well-defined way for the authors to receive credit or professional recognition for their work through the standard methods of scientific publication and subsequent citation of the work. This in turn may discourage researchers from publishing their codes or making them easier for other scientists to use. We investigate the issues involved in citing software in a scientific context, and introduce features that should be components of a citation infrastructure, particularly oriented towards the codes and scientific culture in the area of geodynamics research. The codes used in geodynamics are primarily specialized numerical modeling codes for continuum mechanics problems; they may be developed by individual researchers, teams of researchers, geophysicists in collaboration with computational scientists and applied mathematicians, or by coordinated community efforts such as the Computational Infrastructure for Geodynamics. Some but not all geodynamics codes are open-source. These characteristics are common to many areas of geophysical software development and use. We provide background on the problem of software citation and discuss some of the barriers preventing adoption of such citations, including social/cultural barriers, insufficient technological support infrastructure, and an overall lack of agreement about what a software citation should consist of. We suggest solutions in an initial effort to create a system to support citation of software and promotion of scientific software development.

  6. New Solutions to the Funding Dilemma of Technology Startups

    Directory of Open Access Journals (Sweden)

    Ali Kousari

    2011-05-01

    Full Text Available This article explores the current funding challenges facing technology startups and describes new models based on smaller investments and collective action. First, the advantages and disadvantages of traditional startup funding models are presented, with an emphasis on venture capital and angel investment. Next, an overview of existing seed funds, or seed accelerators, shows how entrepreneurs can leverage this approach to access subsequent rounds of funding and create successful ventures. Then, an overview of crowd funding is provided, including examples of companies that have adopted this approach to funding startups and their founders. Finally, the article presents the basis of a new approach that uses crowd funding as means of attracting investors to collectives. In these business ecosystems, startups are exposed to less risk and investors can benefit from attractive returns by investing in these promising startups.

  7. Cost escalation in health-care technology - possible solutions

    African Journals Online (AJOL)

    technology could play a fundamental role in supporting the provision of adequate ... and resource allocation. The computer and networking technology necessary ... sary software for analysis exists, and communication networks (SAP01\\,TET ...

  8. Teen Girls and Technology: What's the Problem, What's the Solution?

    Science.gov (United States)

    Farmer, Lesley

    2008-01-01

    Are teenage girls being left behind in the technology race? According to author and professor Lesley Farmer, teenage girls are not embracing technology and all of its potential impact on their futures. In "Teen Girls and Technology", Farmer explores the developmental issues of teen girls, including the reality of girls and tech as it now stands.…

  9. 75 FR 76726 - Transmission Technology Solutions, LLC; Western Grid Development, LLC (Complainants) v...

    Science.gov (United States)

    2010-12-09

    ... Energy Regulatory Commission Transmission Technology Solutions, LLC; Western Grid Development, LLC... Procedure, 18 CFR 385.206 and section 206 of the Federal Power Act (FPA), Transmission Technology Solutions, LLC (TTS) and Western Grid Development, LLC (WGD) filed a complaint against California...

  10. Energy Technology Solutions: Public-Private Partnerships Transforming Industry - December 2010

    Energy Technology Data Exchange (ETDEWEB)

    none,

    2010-12-01

    AMO's research and development partnerships with industry have resulted in more than 220 technologies and other solutions that can be purchased today. This document includes a description of each solution, its benefits, and vendor contact information. The document also identifies emerging technologies and other resources to help industry save energy.

  11. Evolutionary Based Solutions for Green Computing

    CERN Document Server

    Kołodziej, Joanna; Li, Juan; Zomaya, Albert

    2013-01-01

    Today’s highly parameterized large-scale distributed computing systems may be composed  of a large number of various components (computers, databases, etc) and must provide a wide range of services. The users of such systems, located at different (geographical or managerial) network cluster may have a limited access to the system’s services and resources, and different, often conflicting, expectations and requirements. Moreover, the information and data processed in such dynamic environments may be incomplete, imprecise, fragmentary, and overloading. All of the above mentioned issues require some intelligent scalable methodologies for the management of the whole complex structure, which unfortunately may increase the energy consumption of such systems.   This book in its eight chapters, addresses the fundamental issues related to the energy usage and the optimal low-cost system design in high performance ``green computing’’ systems. The recent evolutionary and general metaheuristic-based solutions ...

  12. New solutions and technologies for uncooled infrared imaging

    Science.gov (United States)

    Rollin, Joël.; Diaz, Frédéric; Fontaine, Christophe; Loiseaux, Brigitte; Lee, Mane-Si Laure; Clienti, Christophe; Lemonnier, Fabrice; Zhang, Xianghua; Calvez, Laurent

    2013-06-01

    The military uncooled infrared market is driven by the continued cost reduction of the focal plane arrays whilst maintaining high standards of sensitivity and steering towards smaller pixel sizes. As a consequence, new optical solutions are called for. Two approaches can come into play: the bottom up option consists in allocating improvements to each contributor and the top down process rather relies on an overall optimization of the complete image channel. The University of Rennes I with Thales Angénieux alongside has been working over the past decade through French MOD funding's, on low cost alternatives of infrared materials based upon chalcogenide glasses. A special care has been laid on the enhancement of their mechanical properties and their ability to be moulded according to complex shapes. New manufacturing means developments capable of better yields for the raw materials will be addressed, too. Beyond the mere lenses budget cuts, a wave front coding process can ease a global optimization. This technic gives a way of relaxing optical constraints or upgrading thermal device performances through an increase of the focus depths and desensitization against temperature drifts: it combines image processing and the use of smart optical components. Thales achievements in such topics will be enlightened and the trade-off between image quality correction levels and low consumption/ real time processing, as might be required in hand-free night vision devices, will be emphasized. It is worth mentioning that both approaches are deeply leaning on each other.

  13. FY02 Engineering Technology Reports Volume 1: Technology Base

    Energy Technology Data Exchange (ETDEWEB)

    Minichino, C; Meeker, D

    2003-01-28

    Engineering has touched on every challenge, every accomplishment, and every endeavor of Lawrence Livermore National Laboratory during its fifty-year history. In this time of transition to new leadership, Engineering continues to be central to the mission of the Laboratory, returning to the tradition and core values of E. O. Lawrence: science-based engineering--turning scientific concepts into reality. This volume of Engineering Technical Reports summarizes progress on the projects funded for technology-base efforts. Technology-base projects effect the natural transition to reduction-to-practice of scientific or engineering methods that are well understood and established. They represent discipline-oriented, core competency activities that are multi-programmatic in application, nature, and scope. Objectives of technology-base funding include: (1) the development and enhancement of tools and processes to provide Engineering support capability, such as code maintenance and improved fabrication methods; (2) the support of Engineering science and technology infrastructure, such as the installation or integration of a new capability; (3) support for technical and administrative leadership through our technology Centers; and (4) the initial scoping and exploration of selected technology areas with high strategic potential, such as assessment of university, laboratory, and industrial partnerships. Five Centers focus and guide longer-term investments within Engineering. The Centers attract and retain top staff, develop and maintain critical core technologies, and enable programs. Through their technology-base projects, they oversee the application of known engineering approaches and techniques to scientific and technical problems.

  14. Exploring the Capability of Evaluating Technical Solutions: A Collaborative Study into the Primary Technology Classroom

    Science.gov (United States)

    Björkholm, Eva

    2014-01-01

    Within the field of technology education, evaluating technical solutions is considered as an important topic. Research indicates that pupils have difficulties in evaluating technical solutions in terms of fitness for purpose, i.e. how effective a technical solution supports its intended function. By using the learning study, which is an iterative…

  15. Exploring the Capability of Evaluating Technical Solutions: A Collaborative Study into the Primary Technology Classroom

    Science.gov (United States)

    Björkholm, Eva

    2014-01-01

    Within the field of technology education, evaluating technical solutions is considered as an important topic. Research indicates that pupils have difficulties in evaluating technical solutions in terms of fitness for purpose, i.e. how effective a technical solution supports its intended function. By using the learning study, which is an iterative…

  16. Information and communication technology solutions for outdoor navigation in dementia.

    Science.gov (United States)

    Teipel, Stefan; Babiloni, Claudio; Hoey, Jesse; Kaye, Jeffrey; Kirste, Thomas; Burmeister, Oliver K

    2016-06-01

    Information and communication technology (ICT) is potentially mature enough to empower outdoor and social activities in dementia. However, actual ICT-based devices have limited functionality and impact, mainly limited to safety. What is an ideal operational framework to enhance this field to support outdoor and social activities? Review of literature and cross-disciplinary expert discussion. A situation-aware ICT requires a flexible fine-tuning by stakeholders of system usability and complexity of function, and of user safety and autonomy. It should operate by artificial intelligence/machine learning and should reflect harmonized stakeholder values, social context, and user residual cognitive functions. ICT services should be proposed at the prodromal stage of dementia and should be carefully validated within the life space of users in terms of quality of life, social activities, and costs. The operational framework has the potential to produce ICT and services with high clinical impact but requires substantial investment. Copyright © 2016 The Authors. Published by Elsevier Inc. All rights reserved.

  17. Emerging vehicle technologies & the search for urban mobility solutions

    Directory of Open Access Journals (Sweden)

    Jitendra N. Bajpai

    2016-01-01

    Full Text Available The convergence of the ongoing innovations to make vehicles driverless, carbon free and accessible on ‘as needed’ basis, is evolving fast. A review of available information suggests that these technologies have substantial potential to generate positive externalities by improving road safety, lowering of fuel consumption and emissions in vehicles, and providing mobility options for vulnerable population including young, old and persons with disability. However, given the limited commercialization it is difficult to discern the nature of impact these technologies will have in reducing the two negative travel externalities, road congestion and low density expansion of cities. Gradual mainstreaming of these technologies will offer opportunities for further research in understanding the behavioral responses of their end users, and the risks that these technologies may pose to manufacturers, consumers, and stakeholders.

  18. Technology Education Challenges and Solutions in Latin America

    OpenAIRE

    Jordán, Ramiro; Pollard, Leonard Howard; Abdallah, C.T.; Sanín, J.; Van Reenen, J.; De Giusti, Marisa Raquel; Franco, P

    2001-01-01

    The world has become dependent on informa-tion, technology, and telecommunications, better known as Information Technology and Telecommunications (IT&T), a term that encompasses the fields of Electrical and Computer Engineering, and Computer Science. Increasingly, IT&T is an effective indicator of the difference between developed and developing nations. The competitiveness of a nation is directly related to its incorporation of IT&T which requires a substan-tial restructuring of the forms and...

  19. Automation and information technology solutions for buildings and homes

    OpenAIRE

    Cuacos Encarnación, David

    2008-01-01

    This investigation is part of Master’s of Science degree in Industrial Engineering at the Universidad Carlos III of Madrid. The work has been carried out at Automation Technology Laboratory, of Helsinki University of Technology (TKK). This research is part of Assistive Automation project, which develops devices and systems assist independent living of elderly and disabled persons. The home automation system prototype is expected to increase the safety, comfort and independence of these people...

  20. Navigation studies based on the ubiquitous positioning technologies

    Science.gov (United States)

    Ye, Lei; Mi, Weijie; Wang, Defeng

    2007-11-01

    This paper summarized the nowadays positioning technologies, such as absolute positioning methods and relative positioning methods, indoor positioning and outdoor positioning, active positioning and passive positioning. Global Navigation Satellite System (GNSS) technologies were introduced as the omnipresent out-door positioning technologies, including GPS, GLONASS, Galileo and BD-1/2. After analysis of the shortcomings of GNSS, indoor positioning technologies were discussed and compared, including A-GPS, Cellular network, Infrared, Electromagnetism, Computer Vision Cognition, Embedded Pressure Sensor, Ultrasonic, RFID (Radio Frequency IDentification), Bluetooth, WLAN etc.. Then the concept and characteristics of Ubiquitous Positioning was proposed. After the ubiquitous positioning technologies contrast and selection followed by system engineering methodology, a navigation system model based on Incorporate Indoor-Outdoor Positioning Solution was proposed. And this model was simulated in the Galileo Demonstration for World Expo Shanghai project. In the conclusion, the prospects of ubiquitous positioning based navigation were shown, especially to satisfy the public location information acquiring requirement.

  1. Patterning technology for solution-processed organic crystal field-effect transistors

    Science.gov (United States)

    Li, Yun; Sun, Huabin; Shi, Yi; Tsukagoshi, Kazuhito

    2014-04-01

    Organic field-effect transistors (OFETs) are fundamental building blocks for various state-of-the-art electronic devices. Solution-processed organic crystals are appreciable materials for these applications because they facilitate large-scale, low-cost fabrication of devices with high performance. Patterning organic crystal transistors into well-defined geometric features is necessary to develop these crystals into practical semiconductors. This review provides an update on recent development in patterning technology for solution-processed organic crystals and their applications in field-effect transistors. Typical demonstrations are discussed and examined. In particular, our latest research progress on the spin-coating technique from mixture solutions is presented as a promising method to efficiently produce large organic semiconducting crystals on various substrates for high-performance OFETs. This solution-based process also has other excellent advantages, such as phase separation for self-assembled interfaces via one-step spin-coating, self-flattening of rough interfaces, and in situ purification that eliminates the impurity influences. Furthermore, recommendations for future perspectives are presented, and key issues for further development are discussed.

  2. Patterning technology for solution-processed organic crystal field-effect transistors

    Directory of Open Access Journals (Sweden)

    Yun Li

    2014-04-01

    Full Text Available Organic field-effect transistors (OFETs are fundamental building blocks for various state-of-the-art electronic devices. Solution-processed organic crystals are appreciable materials for these applications because they facilitate large-scale, low-cost fabrication of devices with high performance. Patterning organic crystal transistors into well-defined geometric features is necessary to develop these crystals into practical semiconductors. This review provides an update on recent development in patterning technology for solution-processed organic crystals and their applications in field-effect transistors. Typical demonstrations are discussed and examined. In particular, our latest research progress on the spin-coating technique from mixture solutions is presented as a promising method to efficiently produce large organic semiconducting crystals on various substrates for high-performance OFETs. This solution-based process also has other excellent advantages, such as phase separation for self-assembled interfaces via one-step spin-coating, self-flattening of rough interfaces, and in situ purification that eliminates the impurity influences. Furthermore, recommendations for future perspectives are presented, and key issues for further development are discussed.

  3. A Survey on Smartphone-Based Crowdsensing Solutions

    Directory of Open Access Journals (Sweden)

    Willian Zamora

    2016-01-01

    Full Text Available In recent years, the widespread adoption of mobile phones, combined with the ever-increasing number of sensors that smartphones are equipped with, greatly simplified the generalized adoption of crowdsensing solutions by reducing hardware requirements and costs to a minimum. These factors have led to an outstanding growth of crowdsensing proposals from both academia and industry. In this paper, we provide a survey of smartphone-based crowdsensing solutions that have emerged in the past few years, focusing on 64 works published in top-ranked journals and conferences. To properly analyze these previous works, we first define a reference framework based on how we classify the different proposals under study. The results of our survey evidence that there is still much heterogeneity in terms of technologies adopted and deployment approaches, although modular designs at both client and server elements seem to be dominant. Also, the preferred client platform is Android, while server platforms are typically web-based, and client-server communications mostly rely on XML or JSON over HTTP. The main detected pitfall concerns the performance evaluation of the different proposals, which typically fail to make a scalability analysis despite being critical issue when targeting very large communities of users.

  4. Technical and technological solution for vegetal bio-stimulants obtaining

    Science.gov (United States)

    Anghelache, D. G.; Diaconescu, I.; Pătraşcu, R.

    2017-08-01

    The paper presents a modern technology for bio fertilizers resulted from waste plant mass after harvesting crops Experimental products were obtained rich in nutrients, but unstable in terms of existing microorganisms. Therefore, they conducted further studies to obtaining bio fungicide herb, so in all investigations undertaken so far in the laboratory, were able to conclude that the introduction of medicinal plant extracts with fungicidal effect into the bio fertilizers obtained by degradation of plant material post-harvest can get various bio-stimulants with nourishing effect upon the plants. Following this technology the paper’s objective is to identify a flux scheme for experimental equipment which can produce as final outcome this type of bio-stimulant. Also, in this work, this equipment will be chosen and will be designed following and obeying to the request of every step of the above technology.

  5. Silicon wafer-based tandem cells: The ultimate photovoltaic solution?

    Science.gov (United States)

    Green, Martin A.

    2014-03-01

    Recent large price reductions with wafer-based cells have increased the difficulty of dislodging silicon solar cell technology from its dominant market position. With market leaders expected to be manufacturing modules above 16% efficiency at 0.36/Watt by 2017, even the cost per unit area (60-70/m2) will be difficult for any thin-film photovoltaic technology to significantly undercut. This may make dislodgement likely only by appreciably higher energy conversion efficiency approaches. A silicon wafer-based cell able to capitalize on on-going cost reductions within the mainstream industry, but with an appreciably higher than present efficiency, might therefore provide the ultimate PV solution. With average selling prices of 156 mm quasi-square monocrystalline Si photovoltaic wafers recently approaching 1 (per wafer), wafers now provide clean, low cost templates for overgrowth of thin, wider bandgap high performance cells, nearly doubling silicon's ultimate efficiency potential. The range of possible Si-based tandem approaches is reviewed together with recent results and ultimate prospects.

  6. Regularization of identity based solution in string field theory

    Science.gov (United States)

    Zeze, Syoji

    2010-10-01

    We demonstrate that an Erler-Schnabl type solution in cubic string field theory can be naturally interpreted as a gauge invariant regularization of an identity based solution. We consider a solution which interpolates between an identity based solution and ordinary Erler-Schnabl one. Two gauge invariant quantities, the classical action and the closed string tadpole, are evaluated for finite value of the gauge parameter. It is explicitly checked that both of them are independent of the gauge parameter.

  7. Regularization of identity based solution in string field theory

    CERN Document Server

    Zeze, Syoji

    2010-01-01

    We demonstrate that an Erler-Schnabl type solution in cubic string field theory can be naturally interpreted as a gauge invariant regularization of an identity based solution. We consider a solution which interpolates between an identity based solution and ordinary Erler-Schnabl one. Two gauge invariant quantities, the classical action and the closed string tadpole, are evaluated for finite value of the gauge parameter. It is explicitly checked that both of them are independent of the gauge parameter.

  8. Engineering Technology Reports, Volume 2: Technology Base FY01

    Energy Technology Data Exchange (ETDEWEB)

    Minichino, C; Meeker, D

    2002-07-01

    Engineering has touched on every challenge, every accomplishment, and every endeavor of Lawrence Livermore National Laboratory during its fifty-year history. In this time of transition to new leadership, Engineering continues to be central to the mission of the Laboratory, returning to the tradition and core values of E.O. Lawrence: science-based engineering--turning scientific concepts into reality. This volume of Engineering Technical Reports summarizes progress on the projects funded for technology-base efforts. Technology-base projects effect the natural transition to reduction-to-practice of scientific or engineering methods that are well understood and established. They represent discipline-oriented, core competency activities that are multi-programmatic in application, nature, and scope. Objectives of technology-base funding include: (1) the development and enhancement of tools and processes to provide Engineering support capability, such as code maintenance and improved fabrication methods; (2) the support of Engineering science and technology infrastructure, such as the installation or integration of a new capability; (3) support for technical and administrative leadership through our technology Centers; (4) the initial scoping and exploration of selected technology areas with high strategic potential, such as assessment of university, laboratory, and industrial partnerships.

  9. 21st Century Coal: Advanced Technology and Global Energy Solution

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    2013-06-01

    Coal currently supplies with more than 40% of the world electricity consumption and it essential input of around 70% of world steel production, representing around 30% of the world primary energy supply. This is because coal is cheap, abundant, accessible, widely distributed and easy energy to transport, store and use. For these features, coal is projected to be intensively used in the future. Production and use of coal present a series of issues throughout the whole value chain. While existing technology allows addressing most of them (safety at work, land restoration, mercury, NOx and sulphur emissions avoidance, etc.), CO2 emissions continues to be the biggest challenge for coal use in the future. This report focuses on the technology path to near-zero emissions including useful insights in advanced coal power generation technologies and Carbon Capture, Utilisation and Storage, a promising technology with a large potential which can push Carbon Capture and Storage competitiveness. In addition, the report shows the features of the new generation of coal-fired power plants in terms of flexibility for dynamic operation and grid stability, requirements increasingly needed to operate on grids with significant wind and solar generation.

  10. System for the dissemination of innovative technological solutions at an R&D institute

    Directory of Open Access Journals (Sweden)

    Marzena Walasik

    2013-06-01

    Full Text Available The changes in the global market and the emphasis on the commercialization of R&D results, boost competitiveness and decide on the necessity to implement a marketing approach towards the organization and management of the business activity, including that of research institutions, which being treated as a unique kind of enterprises, make the results of their research commercially available. An important factor supporting effective commercialisation of research results is a proper preparation and execution of promotion activities, which based on the rules of marketing, increase the likelihood of success of implementation of innovative solutions on the market. The dissemination activities comprise all activities aimed at raising the interest of the public (i. e. users, enterprises, institutions in the results of R&D works, and focused on presenting the possibilities and benefits of their practical application. In order for the innovations to be diffused, target markets need to be specified, media most relevant for a given sector of the market need to be selected together with the most effective ways of reaching out to the target groups identified in the market segmentation process, and an effective marketing campaign needs to be launched. The system for the dissemination of innovative solutions developed and implemented at the Institute for Sustainable Technologies – National Research Institute in Radom (Poland (ITeE – PIB, supports the management of R&D results and stimulates networking between the Institute and entities involved in the practical implementation of innovations. It also enables the execution of system tasks concerning promotion of innovative product and process technologies developed at the ITeE – PIB. As a result of its application, business projects, which improve the technology commercialization process resulting in new products or technologies being brought to the market, are proposed.

  11. An Accurate Heading Solution using MEMS-based Gyroscope and Magnetometer Integrated System (Preliminary Results)

    Science.gov (United States)

    El-Diasty, M.

    2014-11-01

    An accurate heading solution is required for many applications and it can be achieved by high grade (high cost) gyroscopes (gyros) which may not be suitable for such applications. Micro-Electro Mechanical Systems-based (MEMS) is an emerging technology, which has the potential of providing heading solution using a low cost MEMS-based gyro. However, MEMS-gyro-based heading solution drifts significantly over time. The heading solution can also be estimated using MEMS-based magnetometer by measuring the horizontal components of the Earth magnetic field. The MEMS-magnetometer-based heading solution does not drift over time, but are contaminated by high level of noise and may be disturbed by the presence of magnetic field sources such as metal objects. This paper proposed an accurate heading estimation procedure based on the integration of MEMS-based gyro and magnetometer measurements that correct gyro and magnetometer measurements where gyro angular rates of changes are estimated using magnetometer measurements and then integrated with the measured gyro angular rates of changes with a robust filter to estimate the heading. The proposed integration solution is implemented using two data sets; one was conducted in static mode without magnetic disturbances and the second was conducted in kinematic mode with magnetic disturbances. The results showed that the proposed integrated heading solution provides accurate, smoothed and undisturbed solution when compared with magnetometerbased and gyro-based heading solutions.

  12. Trust and Privacy Solutions Based on Holistic Service Requirements.

    Science.gov (United States)

    Sánchez Alcón, José Antonio; López, Lourdes; Martínez, José-Fernán; Rubio Cifuentes, Gregorio

    2015-12-24

    The products and services designed for Smart Cities provide the necessary tools to improve the management of modern cities in a more efficient way. These tools need to gather citizens' information about their activity, preferences, habits, etc. opening up the possibility of tracking them. Thus, privacy and security policies must be developed in order to satisfy and manage the legislative heterogeneity surrounding the services provided and comply with the laws of the country where they are provided. This paper presents one of the possible solutions to manage this heterogeneity, bearing in mind these types of networks, such as Wireless Sensor Networks, have important resource limitations. A knowledge and ontology management system is proposed to facilitate the collaboration between the business, legal and technological areas. This will ease the implementation of adequate specific security and privacy policies for a given service. All these security and privacy policies are based on the information provided by the deployed platforms and by expert system processing.

  13. Communication Technologies Preferred by School Based Administrators

    Science.gov (United States)

    Weir, Paul

    2012-01-01

    The purpose of this study was to determine the communication technologies preferred by school based administrators. This study surveyed and interviewed 96 school based administrators in a mid-sized suburban school system. The data show that individual emails, email lists, and cell phone technologies had the highest percentage effectiveness ratings…

  14. A theory of game trees, based on solution trees

    NARCIS (Netherlands)

    W.H.L.M. Pijls (Wim); A. de Bruin (Arie); A. Plaat (Aske)

    1996-01-01

    textabstractIn this paper a complete theory of game tree algorithms is presented, entirely based upon the notion of a solution tree. Two types of solution trees are distinguished: max and min solution trees respectively. We show that most game tree algorithms construct a superposition of a max and a

  15. A theory of game trees, based on solution trees

    NARCIS (Netherlands)

    W.H.L.M. Pijls (Wim); A. de Bruin (Arie); A. Plaat (Aske)

    1996-01-01

    textabstractIn this paper a complete theory of game tree algorithms is presented, entirely based upon the notion of a solution tree. Two types of solution trees are distinguished: max and min solution trees respectively. We show that most game tree algorithms construct a superposition of a max and a

  16. CERTS: Consortium for Electric Reliability Technology Solutions - Research Highlights

    Energy Technology Data Exchange (ETDEWEB)

    Eto, Joseph

    2003-07-30

    Historically, the U.S. electric power industry was vertically integrated, and utilities were responsible for system planning, operations, and reliability management. As the nation moves to a competitive market structure, these functions have been disaggregated, and no single entity is responsible for reliability management. As a result, new tools, technologies, systems, and management processes are needed to manage the reliability of the electricity grid. However, a number of simultaneous trends prevent electricity market participants from pursuing development of these reliability tools: utilities are preoccupied with restructuring their businesses, research funding has declined, and the formation of Independent System Operators (ISOs) and Regional Transmission Organizations (RTOs) to operate the grid means that control of transmission assets is separate from ownership of these assets; at the same time, business uncertainty, and changing regulatory policies have created a climate in which needed investment for transmission infrastructure and tools for reliability management has dried up. To address the resulting emerging gaps in reliability R&D, CERTS has undertaken much-needed public interest research on reliability technologies for the electricity grid. CERTS' vision is to: (1) Transform the electricity grid into an intelligent network that can sense and respond automatically to changing flows of power and emerging problems; (2) Enhance reliability management through market mechanisms, including transparency of real-time information on the status of the grid; (3) Empower customers to manage their energy use and reliability needs in response to real-time market price signals; and (4) Seamlessly integrate distributed technologies--including those for generation, storage, controls, and communications--to support the reliability needs of both the grid and individual customers.

  17. Advanced location-based technologies and services

    CERN Document Server

    Karimi, Hassan A

    2013-01-01

    Due to the rapid increase in the number of mobile device users worldwide, location-based services (LBSs) have become pervasive, and the demand for them will continue to grow. Exploring recent changes in the technology and its uses, Advanced Location-Based Technologies and Services takes an in-depth look at new and existing technologies, techniques, applications, and opportunities. Under the editorial guidance of Hassan Karimi, with contributions from experts in the field, the book examines the breadth and depth of advanced LBS technologies and techniques. The book provides up-to-date informati

  18. Professional Problems Experienced by Information Technology Teachers and Suggested Solutions: Longitudinal Survey

    Science.gov (United States)

    Keser, Hafize; Cetinkaya, Levent

    2013-01-01

    The study aimed to determine the opinions of teacher candidates in the fourth year of Computer Education & Instructional Technologies department (CEIT) on the Problems Experienced by Information Technology (IT) Teachers and Suggested Solutions and it has been designed in case study routine taking place within qualitative research tradition and…

  19. Microsoft Business Solutions-Axapta as a basis for automated monitoring of high technology products competitiveness

    Science.gov (United States)

    Tashchiyan, G. O.; Sushko, A. V.; Grichin, S. V.

    2015-09-01

    One of the conditions of normal performance of the Russian economy is the problem of high technology products competitiveness. Different tools of these products estimation are used nowadays, one of them is automated monitoring of the high technology products in mechanical engineering. This system is developed on the basis of “Innovator" software integrated in Microsoft Business Solutions-Axapta.

  20. Methods and Applications for Advancing Distance Education Technologies: International Issues and Solutions

    Science.gov (United States)

    Syed, Mahbubur Rahman, Ed.

    2009-01-01

    The emerging field of advanced distance education delivers academic courses across time and distance, allowing educators and students to participate in a convenient learning method. "Methods and Applications for Advancing Distance Education Technologies: International Issues and Solutions" demonstrates communication technologies, intelligent…

  1. Technology solutions for a global business. Opportunities and challenges

    Energy Technology Data Exchange (ETDEWEB)

    Warren, Tim

    2000-07-01

    Shell's relationship with Norway goes back a long way and is very important to our future as well, as is evident from this presentation, which describes some of the pressures on a global energy business like Shell. It also deals with the fundamental importance of technology in the way we respond to those pressures. The power of innovation, and of partnerships, in keeping us at the front of the wave and, using our experiences, it is described how we at Shell deal with these issues. It also gives some examples of the benefits that have come out of our partnerships here in Norway, and the challenges and opportunities confronting those partnerships in the future.

  2. Public funding - a solution for technological SMEs and entrepreneurs

    Science.gov (United States)

    Emilia, Calefariu; Traian Alexandru, Buda

    2016-11-01

    Technological SMEs are in a constant struggle for growth or sometimes maintaining the production capacity, increase market share, supporting tax burden, ensuring employees' salaries, profit growth. They constantly consider short-term survival of the company, with trying to maintain a long-term uptrend for the business. Entrepreneurs are again in a position to access public financing under quite favorable conditions. The paper aims to analyze the opportunity of accessing these external financing options, which have both advantages and a series of long-term constraints which should not be excluded before the final decision to access this funding. New research is required, thus sustainable development can be maintained for the business environment in order to increase efficiency, competitiveness, sustainable development strategies that generate job security, regional growth and rewarding the risk-taking of the entrepreneur.

  3. Technology of Immersion Silver Plating onto Copper Substrate in Ethanol-Based Solution System%铜基材乙醇体系浸镀银工艺的研究

    Institute of Scientific and Technical Information of China (English)

    滕培秀; 魏喆良

    2011-01-01

    为解决传统水相体系浸镀银所存在的问题,笔者采用乙醇溶液体系,以硝酸银为主盐,乙二胺为络合剂,并就银离子浓度、络合剂与银离子摩尔浓度比以及镀液pH值等工艺参数,对紫铜浸镀银镀层性能的影响进行了研究.试验结果表明:当银离子质量浓度为2.0 g/L,络合剂与银离子摩尔浓度比为4∶1,镀液pH值为9.8,温度为室温时,可以在紫铜表面获得外观光亮、均匀致密且与基材结合良好的银镀层.%Ethanol-based solution system was adopted to solve the problem of traditional immersion silver planting in aqueous system, silver nitrate and ethylenediamine was employed as main salt and complexant respectively. Silver ion concentration, molar ratio of complexant and silver ion and the pH value of the solution which could affect the film properties on immersion silver planting onto red copper were investigated. The results show that the silver coating on the red copper surface is obtained at silver ion concentration 2. 0 g/L, molar ratio of complexant and silver ion 4 ! 1, the pH value 9. 8 and room temperature, of which has bright, smooth and dense appearance and integrated well with the matrix.

  4. Swimming Behavior Analysis Based on Bacterial Chemotaxis in Solution

    Institute of Scientific and Technical Information of China (English)

    Bin He; Zhipeng Wang; Chaoqun Liu; Yonggang Li; Runjie Shen

    2012-01-01

    Microrobots is playing more and more important roles for medical applications,such as targeting tumoral lesions for therapeutic purposes,Minimally Invasive Surgery (MIS) and highly localized drug delivery.However,energy efficient propulsion system poses significant challenges for the implementation of such mobile robots.Flagellated chemotactic bacteria can be used as an effective integrated propulsion system for microrobots.In this paper,we proposed a new type of propulsion method that is inspired by the motility mechanism of flagellated chemotactic bacteria in different pH gradients.The pH gradient field was established in solution through electrolysis method.The distribution of the pH values in solution was measured with pH indicator and analyzed with image processing technology,and the mechanism by which the pH values changed was also discussed.The swimming speed and direction of the bacteria were studied experimentally.Through analyzing the key parameters,such as stabilization time and electrode voltage,the optimal design of propulsion mechanism based on bacteria motion in the pH gradient field was proven.

  5. Wearable technology. Health-care solutions for a growing global population.

    Science.gov (United States)

    Rutherford, Jesse Jayne

    2010-01-01

    Wearable technology may provide an integral part of the solution for providing health care to a growing world population that will be strained by a ballooning aging population. By providing a means to conduct telemedicine-the monitoring, recording, and transmission of physiological signals from outside of the hospital-wearable technology solutions could ease the burden on health-care personnel and use hospital space for more emergent or responsive care. In addition, employing wearable technology in professions where workers are exposed to dangers or hazards could help save their lives and protect health-care personnel.

  6. Accepting Technology as a Solution: A Quantitative Study Investigating the Adoption of Technology at Colleges

    Science.gov (United States)

    Demuth, Leroy G., III.

    2010-01-01

    Adopting a new technology is an important decision for many academic institutions. Colleges have had to upgrade technology or face diminishing enrollment as students choose to attend other, more responsive institutions. New and imaginative approaches to technology have been developed and implemented by faculty, support staff, and students to…

  7. Cognitive neurorehabilitation based on interactive video technology

    OpenAIRE

    Martinez Moreno, Jose Maria; Solana Sánchez, Javier; R. Sánchez; González Palmero, S.; Sánchez González, Patricia; Gómez Pérez, C.; Morell Vilaseca, Marc; Cáceres Taladriz, César; Roig Rovira, Teresa; Tormos Muñoz, Josep M.; Gómez Aguilera, Enrique J.

    2013-01-01

    Cognitive impairment is the main cause of disability in developed societies. New interactive technologies help therapists in neurorehabilitation in order to increase patients’ autonomy and quality of life. This work proposes Interactive Video (IV) as a technology to develop cognitive rehabilitation tasks based on Activities of Daily Living (ADL). ADL cognitive task has been developed and integrated with eye-tracking technology for task interaction and patients’ performance monitoring....

  8. Improving conditions for reuse of design solutions - by means of a context based solution library

    DEFF Research Database (Denmark)

    Mortensen, Niels Henrik; Grothe-Møller, Thorkild; Andreasen, Mogens Myrup

    1997-01-01

    Among the most important reasoning mechanisms in design is reasoning by analogy. One precondition for being able to reason about the properties and functionalitues of a product or subsystem is that the context of the solution is known. This paper presents a computer based solution library where...

  9. Developing technology-enhanced active learning for medical education: challenges, solutions, and future directions.

    Science.gov (United States)

    McCoy, Lise; Pettit, Robin K; Lewis, Joy H; Bennett, Thomas; Carrasco, Noel; Brysacz, Stanley; Makin, Inder Raj S; Hutman, Ryan; Schwartz, Frederic N

    2015-04-01

    Growing up in an era of video games and Web-based applications has primed current medical students to expect rapid, interactive feedback. To address this need, the A.T. Still University-School of Osteopathic Medicine in Arizona (Mesa) has developed and integrated a variety of approaches using technology-enhanced active learning for medical education (TEAL-MEd) into its curriculum. Over the course of 3 years (2010-2013), the authors facilitated more than 80 implementations of games and virtual patient simulations into the education of 550 osteopathic medical students. The authors report on 4 key aspects of the TEAL-MEd initiative, including purpose, portfolio of tools, progress to date regarding challenges and solutions, and future directions. Lessons learned may be of benefit to medical educators at academic and clinical training sites who wish to implement TEAL-MEd activities.

  10. Is Toscana A Formal Concept Analysis Based Solution In Web Usage Mining?

    Directory of Open Access Journals (Sweden)

    Dan-Andrei SITAR-TĂUT

    2012-01-01

    Full Text Available Analyzing large amount of data come from web logs represents a complex, but challenging nowadays problem with implication in various fields, thing that lets open a way for theoretically infinite approaches an implementations. The main goal of our paper represents the possibility of applying the formal concept analysis as viable solution of sustaining the web mining process, based on a technological open-source solution called TOSCANA.

  11. INNOVATIVE TECHNOLOGICAL SOLUTIONS IN CREATING FUNCTIONAL PRODUCTS POWER

    Directory of Open Access Journals (Sweden)

    I. V. Sergienko

    2015-01-01

    Full Text Available The article deals with a problem of functional products creation for consumers feeling need in proteins, irreplaceable amino acids, vitamins, mineral substances, food fibers, polynonsaturated fat acids. One of the possible ways to improve human nutrition is using non-traditional cultures for bread making technology containing significant amounts of fibrous substances, easily digestible protein, vitamins, unsaturated fatty acids and minerals. Taking into account the Nutrition Science requirements an expediency of the most full functional ingredients complex entering into bakery products prescription structure is proved. Replacement of the first grade wheat flour by the offered prescription composition allows to slow down a bread aging, to increase periods of products storage and to improve their physical and chemical indicators on the specific volume and porosity. The bakery products "Svyatogor" at the use of 100 g of a product allow to cover daily need in protein for 38,9%, in carbohydrates – for 3,4%, fat – for 9,2%. The power value of "Svyatogor" is 897 kJ, in control 959. Biological value, % 82,7 against 53,1 in control. Thanks to it the digestibility of bread protein (in vitro method of “Svyatogor” is higher. Thanks to unique properties of the compounding components “Svyatogor” gets functional properties by full-fledged protein increasing and its best comprehensibility (in vitro, advanced structure according to the content of vitamins, mineral substances, their balanced structure and can be recommended for mass consumption and prevention of osteoporosis, atherosclerosis, anemia, for children food, pregnant women and the feeding women.

  12. Novel label-free biosensing technology for monitoring of aqueous solutions (Conference Presentation)

    Science.gov (United States)

    Kehl, Florian; Bielecki, Robert; Follonier, Stephane; Dorokhin, Denis

    2016-03-01

    Waste water, drinking water and other industrial water sources are more and more/increasingly polluted with a large variety of contaminants, such as pesticides or residuals of pharmaceuticals. These compounds can impact human and animal organisms and lead to serious health issues. Today, in order to analyze the presence and quantity of the abovementioned micropollutants, samples are typically sent to specialized centralized laboratories and their processing may take up to several days. In order to meet the demand for continuous and consistent monitoring of aqueous solutions we propose a novel label-free technology system comprising proprietary chip and reader device designs. The core of the system is constituted by a planar-grated-waveguide (PGW) chip. Label-free biosensors, based on PGWs are sensitive to effective refractive index changes caused by the adsorption of biomolecules (micropollutants) onto the sensor surface or due to refractive index changes of the bulk solution. The presented reader device operates with a novel readout concept based on a scanning MEMS mirror for the angular interrogation of input grating couplers at a high repetition rate. The reader has fully integrated optics, electronics and fluidics and at the same time consumes limited energy (portable, field use ready). In the recent experiments, the effectiveness of the technology has been demonstrated with various liquids and bioassays showing (i) an excellent refractometric sensitivity with a limit of detection towards effective refractive index changes of ▵neff < 2 x 10-7, and (ii) the capability to perform affinity measurements for large (<150 kDa) and small (<250 Da) molecules.

  13. Dynamic positioning system based on active disturbance rejection technology

    Science.gov (United States)

    Lei, Zhengling; Guo, Chen; Fan, Yunsheng

    2015-08-01

    A dynamically positioned vessel, by the International Maritime Organization (IMO) and the certifying class societies (DNV, ABS, LR, etc.), is defined as a vessel that maintains its position and heading (fixed location or pre-determined track) exclusively by means of active thrusters. The development of control technology promotes the upgrading of dynamic positioning (DP) systems. Today there are two different DP systems solutions available on the market: DP system based on PID regulator and that based on model-based control. Both systems have limited disturbance rejection capability due to their design principle. In this paper, a new DP system solution is proposed based on Active Disturbance Rejection Control (ADRC) technology. This technology is composed of Tracking-Differentiator (TD), Extended State Observer (ESO) and Nonlinear Feedback Combination. On one hand, both TD and ESO can act as filters and can be used in place of conventional filters; on the other hand, the total disturbance of the system can be estimated and compensated by ESO, which therefore enhances the system's disturbance rejection capability. This technology's advantages over other methods lie in two aspects: 1) This method itself can not only achieve control objectives but also filter noisy measurements without other specialized filters; 2) This method offers a new useful approach to suppress the ocean disturbance. The simulation results demonstrate the effectiveness of the proposed method.

  14. Tipping solutions: emerging 3D nano-fabrication/ -imaging technologies

    Science.gov (United States)

    Seniutinas, Gediminas; Balčytis, Armandas; Reklaitis, Ignas; Chen, Feng; Davis, Jeffrey; David, Christian; Juodkazis, Saulius

    2017-06-01

    The evolution of optical microscopy from an imaging technique into a tool for materials modification and fabrication is now being repeated with other characterization techniques, including scanning electron microscopy (SEM), focused ion beam (FIB) milling/imaging, and atomic force microscopy (AFM). Fabrication and in situ imaging of materials undergoing a three-dimensional (3D) nano-structuring within a 1-100 nm resolution window is required for future manufacturing of devices. This level of precision is critically in enabling the cross-over between different device platforms (e.g. from electronics to micro-/nano-fluidics and/or photonics) within future devices that will be interfacing with biological and molecular systems in a 3D fashion. Prospective trends in electron, ion, and nano-tip based fabrication techniques are presented.

  15. Tipping solutions: emerging 3D nano-fabrication/ -imaging technologies

    Directory of Open Access Journals (Sweden)

    Seniutinas Gediminas

    2017-06-01

    Full Text Available The evolution of optical microscopy from an imaging technique into a tool for materials modification and fabrication is now being repeated with other characterization techniques, including scanning electron microscopy (SEM, focused ion beam (FIB milling/imaging, and atomic force microscopy (AFM. Fabrication and in situ imaging of materials undergoing a three-dimensional (3D nano-structuring within a 1−100 nm resolution window is required for future manufacturing of devices. This level of precision is critically in enabling the cross-over between different device platforms (e.g. from electronics to micro-/nano-fluidics and/or photonics within future devices that will be interfacing with biological and molecular systems in a 3D fashion. Prospective trends in electron, ion, and nano-tip based fabrication techniques are presented.

  16. Evaluation of a Web-based Online Grant Application Review Solution

    Directory of Open Access Journals (Sweden)

    Marius Daniel PETRISOR

    2013-12-01

    Full Text Available This paper focuses on the evaluation of a web-based application used in grant application evaluations, software developed in our university, and underlines the need for simple solutions, based on recent technology, specifically tailored to one’s needs. We asked the reviewers to answer a short questionnaire, in order to assess their satisfaction with such a web-based grant application evaluation solution. All 20 reviewers accepted to answer the questionnaire, which contained 8 closed items (YES/NO answers related to reviewer’s previous experience in evaluating grant applications, previous use of such software solutions and his familiarity in using computer systems. The presented web-based application, evaluated by the users, shown a high level of acceptance and those respondents stated that they are willing to use such a solution in the future.

  17. Analysis of Android Device-Based Solutions for Fall Detection

    Science.gov (United States)

    Casilari, Eduardo; Luque, Rafael; Morón, María-José

    2015-01-01

    Falls are a major cause of health and psychological problems as well as hospitalization costs among older adults. Thus, the investigation on automatic Fall Detection Systems (FDSs) has received special attention from the research community during the last decade. In this area, the widespread popularity, decreasing price, computing capabilities, built-in sensors and multiplicity of wireless interfaces of Android-based devices (especially smartphones) have fostered the adoption of this technology to deploy wearable and inexpensive architectures for fall detection. This paper presents a critical and thorough analysis of those existing fall detection systems that are based on Android devices. The review systematically classifies and compares the proposals of the literature taking into account different criteria such as the system architecture, the employed sensors, the detection algorithm or the response in case of a fall alarms. The study emphasizes the analysis of the evaluation methods that are employed to assess the effectiveness of the detection process. The review reveals the complete lack of a reference framework to validate and compare the proposals. In addition, the study also shows that most research works do not evaluate the actual applicability of the Android devices (with limited battery and computing resources) to fall detection solutions. PMID:26213928

  18. Analysis of Android Device-Based Solutions for Fall Detection

    Directory of Open Access Journals (Sweden)

    Eduardo Casilari

    2015-07-01

    Full Text Available Falls are a major cause of health and psychological problems as well as hospitalization costs among older adults. Thus, the investigation on automatic Fall Detection Systems (FDSs has received special attention from the research community during the last decade. In this area, the widespread popularity, decreasing price, computing capabilities, built-in sensors and multiplicity of wireless interfaces of Android-based devices (especially smartphones have fostered the adoption of this technology to deploy wearable and inexpensive architectures for fall detection. This paper presents a critical and thorough analysis of those existing fall detection systems that are based on Android devices. The review systematically classifies and compares the proposals of the literature taking into account different criteria such as the system architecture, the employed sensors, the detection algorithm or the response in case of a fall alarms. The study emphasizes the analysis of the evaluation methods that are employed to assess the effectiveness of the detection process. The review reveals the complete lack of a reference framework to validate and compare the proposals. In addition, the study also shows that most research works do not evaluate the actual applicability of the Android devices (with limited battery and computing resources to fall detection solutions.

  19. Analysis of Android Device-Based Solutions for Fall Detection.

    Science.gov (United States)

    Casilari, Eduardo; Luque, Rafael; Morón, María-José

    2015-07-23

    Falls are a major cause of health and psychological problems as well as hospitalization costs among older adults. Thus, the investigation on automatic Fall Detection Systems (FDSs) has received special attention from the research community during the last decade. In this area, the widespread popularity, decreasing price, computing capabilities, built-in sensors and multiplicity of wireless interfaces of Android-based devices (especially smartphones) have fostered the adoption of this technology to deploy wearable and inexpensive architectures for fall detection. This paper presents a critical and thorough analysis of those existing fall detection systems that are based on Android devices. The review systematically classifies and compares the proposals of the literature taking into account different criteria such as the system architecture, the employed sensors, the detection algorithm or the response in case of a fall alarms. The study emphasizes the analysis of the evaluation methods that are employed to assess the effectiveness of the detection process. The review reveals the complete lack of a reference framework to validate and compare the proposals. In addition, the study also shows that most research works do not evaluate the actual applicability of the Android devices (with limited battery and computing resources) to fall detection solutions.

  20. Effect of silicate solutions on metakaolinite based cementitious material

    Institute of Scientific and Technical Information of China (English)

    XIAO Xue-jun; LI Hua-jian; SUN Heng-hu

    2006-01-01

    High performance metakaolinite based cementitious materials were prepared with metakaolinite as main component, and the different modules of Na and Na-K silicate solutions as diagenetic agent. The results show that the mechanical properties are affected by different silicate solutions, compressive strengths of pastes hydrated for 3 d and 28 d with Na-K silicate solution (The modulus is 1) are about 43.68 and 78.52 MPa respectively. By analyzing the mechanical properties of Metakaolinite based cementitious materials, the diagenetic effect of lower module is better than higher module, and Na-K silicate solution is better than Na silicate solution. The structure of the Na and Na-K silicate solutions is studied with IR and 29Si NMR, the reason of the lower module and Na-K silicate solution improving the mechanical properties is that the low module silicate solution has lower polymeric degree of silicon dioxide, and the higher polymeric degree of silicon oxide tetrahedron(Q4) in Na-K silicate solution is less than Na silicate solution.

  1. Solution processed organic light-emitting diodes using the plasma cross-linking technology

    Science.gov (United States)

    He, Kongduo; Liu, Yang; Gong, Junyi; Zeng, Pan; Kong, Xun; Yang, Xilu; Yang, Cheng; Yu, Yan; Liang, Rongqing; Ou, Qiongrong

    2016-09-01

    Solution processed multilayer organic light-emitting diodes (OLEDs) present challenges, especially regarding dissolution of the first layer during deposition of a second layer. In this work, we first demonstrated a plasma cross-linking technology to produce a solution processed OLED. The surfaces of organic films can be cross-linked after mixed acetylene and Ar plasma treatment for several tens of seconds and resist corrosion of organic solvent. The film thickness and surface morphology of emissive layers (EMLs) with plasma treatment and subsequently spin-rinsed with chlorobenzene are nearly unchanged. The solution processed triple-layer OLED is successfully fabricated and the current efficiency increases 50% than that of the double-layer OLED. Fluorescent characteristics of EMLs are also observed to investigate factors influencing the efficiency of the triple-layer OLED. Plasma cross-linking technology may open up a new pathway towards fabrication of all-solution processed multilayer OLEDs and other soft electronic devices.

  2. ROTOR AND SCREW TECHNOLOGICAL SYSTEMS FOR PREPARATION OF SOLUTIONS AND CONCRETE

    Directory of Open Access Journals (Sweden)

    Belokur K. A.

    2016-04-01

    Full Text Available We have provided technical solutions to improve performance of technological systems for the preparation of solutions and concrete based on the use of screw rotors in the form of drums with helix lines formed on the perimeter as interconnect lines of his spiral surfaces. We discuss the six varieties of devices and installations for mixing, including concrete mixers, reels which are of a complicated geometric body formed by helical surfaces with variable or constant pitch and which creates screw lines in the places of their connection. In the form of screw drums, they may be conical, concave, convex, cylindrical. The experimental test was conducted on the concrete mixer drums, which are arranged one in the other. The implementation of the mixer in the form of coaxially edited two barrels provides not only a reduction in size in length, but a significant reduction in energy consumption due to the use of heat, released during the activation process of inert heating of the concrete mix as when re-mixing and concrete mix when mixing it with water and transportation. The drums of such systems is made of flat elements with the formation of the helical lines discretely spaced around the perimeter of different pitch and with different numbers directed towards each other helical surfaces. In the process of transporting the components of concrete in the internal screw drum there is active mixture of sand, gravel and cement. Thus, there is not only the destruction of lumpy, sticky components of the raw materials, but also active uniform distribution of particles of cement, sand and gravel into a homogenous mass. The implementation of the proposed technology and equipment ensures not only reduction of the dimensions of the mixer length, but also improving the quality of finished products, as well as potential cement savings of 3-5%

  3. Decomposition Technology Development of Organic Component in a Decontamination Waste Solution

    Energy Technology Data Exchange (ETDEWEB)

    Jung, Chong Hun; Oh, W. Z.; Won, H. J.; Choi, W. K.; Kim, G. N.; Moon, J. K

    2007-11-15

    Through the project of 'Decomposition Technology Development of Organic Component in a Decontamination Waste Solution', the followings were studied. 1. Investigation of decontamination characteristics of chemical decontamination process 2. Analysis of COD, ferrous ion concentration, hydrogen peroxide concentration 3. Decomposition tests of hardly decomposable organic compounds 4. Improvement of organic acid decomposition process by ultrasonic wave and UV light 5. Optimization of decomposition process using a surrogate decontamination waste solution.

  4. APPLICATION OF SURFACE GRAFTED POLY N-ISOPROPYL ACRYLAMIDE BY RADIATION TECHNOLOGY FOR PROTEIN SOLUTION CONCENTRATION

    Institute of Scientific and Technical Information of China (English)

    SUN Yishi; LI Huaizhong; LIU Pengfei; HA Hongfei

    1991-01-01

    Poly N-isopropyl acrylamide (abbreviated as PNIPA) as a kind of thermally sensitive hydrogel is utilized to concentrate Bovin Serum Albumin (BSA) solution. In order to decrease its surface adsorption to BSA in aqueous solution, surface layer grafting of the gels by radiation technology was carried out. The results showed that hydroxyl propyl methacrylate (HPMA) grafted gel exhibited a low level of BSA adsorption and still kept the original thermally sensitive properties of PNIPA hydrogels.

  5. Aircraft Loss of Control: Problem Analysis for the Development and Validation of Technology Solutions

    Science.gov (United States)

    Belcastro, Christine M.; Newman, Richard L.; Crider, Dennis A.; Klyde, David H.; Foster, John V.; Groff, Loren

    2016-01-01

    Aircraft loss of control (LOC) is a leading cause of fatal accidents across all transport airplane and operational classes. LOC can result from a wide spectrum of precursors (or hazards), often occurring in combination. Technologies developed for LOC prevention and recovery must therefore be effective under a wide variety of conditions and uncertainties, including multiple hazards, and the validation process must provide a means of assessing system effectiveness and coverage of these hazards. This paper provides a detailed description of a methodology for analyzing LOC as a dynamics and control problem for the purpose of developing effective technology solutions. The paper includes a definition of LOC based on several recent publications, a detailed description of a refined LOC accident analysis process that is illustrated via selected example cases, and a description of planned follow-on activities for identifying future potential LOC risks and the development of LOC test scenarios. Some preliminary considerations for LOC of Unmanned Aircraft Systems (UAS) and for their safe integration into the National Airspace System (NAS) are also discussed.

  6. Micro technology based sun sensor

    DEFF Research Database (Denmark)

    Hales, Jan Harry; Pedersen, Martin; Fléron, René

    2003-01-01

    There is increasing interest among universities in the scientific and educational possibilities of picosatellites base on the CubeSat 5 concept. Due to sever mass and dimension constraints place on this type of satellites, new approaches and ideas regarding different systems arises to accommodate...... DTUsat sun sensors are needed along with a magnetometer to obtain unambiguous attitude determination for the ACDS and the payloads - an electrodynamic tether and a camera. The accuracy needed was not obtainable by employing conventional attitude sensors. Hence a linear slit sensor was designed...

  7. Development of a CMOS Oscillator Chain for Particle Detection based on SOI technology

    Energy Technology Data Exchange (ETDEWEB)

    Coulie-Castellani, K.; Ben Krit, S.; Rahajandraibe, W.; Aziza, H.; Portal, J-M. [Aix Marseille Universite, CNRS, Universite de Toulon, IM2NP UMR 7334, Marseille (France); Micolau, G. [Universite d' Avignon, UMR 1114 EMMAH, INRA-UAPV, Avignon (France)

    2015-07-01

    A new development of an oscillator concept, dedicated to the detection and tracking of particles with low fluxes, is presented. The solution is based on an indirect detection of the current generated at the input of the detection chain, through a Voltage Controlled Oscillator (VCO) response. The very first solution was proposed using bulk technology. This new development is based on SOI technology what makes it tolerant to radiations. (authors)

  8. Technology solutions to support supervisory activities and also to provide information access to the society

    Science.gov (United States)

    Paladini, D.; Mello, A. B.

    2016-07-01

    Inmetro's data about the conformity of certificated products, process and services are, usually, displayed at fragmented databases of difficult access for several reasons, for instance, the lack of computational solutions which allow this kind of access to its users. A discussion about some of the technological solutions to support supervisory activities by the appropriate regulatory bodies and also to provide information access to society in general is herein presented, along with a theoretical explanation of the pros and cons of such technologies to the conclusion that a mobile platform seems to be the best tool for the requirements of Inmetro.

  9. Research of Financial Informationization Construction system based on VPN Technology

    Directory of Open Access Journals (Sweden)

    Jun Zheng

    2012-04-01

    Full Text Available With the continuous deepening of China's educational reform, “multi-campus” school system has become a common phenomenon in China colleges. It is a burning question that how to improve the efficiency of the financial management. Not only is VPN (Virtual Private Network technology provide effective solutions for “isolated island” of financial information among campus but also VPN is a safe, reliable and cost saving new garrison networking. Through analysis of current university financial information systems status, based on MPLS (Multi Protocol Label Switching and technology principles of VPN (Virtual Private Network and combined with practical, financial information systems construction solutions are provided under multi-campus school conditions.

  10. Technical Solutions to Mitigate Reliability Challenges due to Technology Scaling of Charge Storage NVM

    Directory of Open Access Journals (Sweden)

    Meng Chuan Lee

    2013-01-01

    Full Text Available Charge storage nonvolatile memory (NVM is one of the main driving forces in the evolution of IT handheld devices. Technology scaling of charge storage NVM has always been the strategy to achieve higher density NVM with lower cost per bit in order to meet the persistent consumer demand for larger storage space. However, conventional technology scaling of charge storage NVM has run into many critical reliability challenges related to fundamental device characteristics. Therefore, further technology scaling has to be supplemented with novel approaches in order to surmount these reliability issues to achieve desired reliability performance. This paper is focused on reviewing critical research findings on major reliability challenges and technical solutions to mitigate technology scaling challenges of charge storage NVM. Most of these technical solutions are still in research phase while a few of them are more mature and ready for production phase. Three of the mature technical solutions will be reviewed in detail, that is, tunnel oxide top/bottom nitridation, nanocrystal, and phase change memory (PCM. Key advantages and reported reliability challenges of these approaches are thoroughly reviewed in this paper. This paper will serve as a good reference to understand the future trend of innovative technical solutions to overcome the reliability challenges of charge storage NVM due to technology scaling.

  11. Traceability information carriers. The technology backgrounds and consumers' perceptions of the technological solutions

    DEFF Research Database (Denmark)

    Chrysochou, Polymeros; Chryssochoidis, George; Kehagia, Olga

    2009-01-01

    of and confidence in the information provided, perceived levels of convenience, impact on product quality and safety, impact on consumers' health and the environment, and potential consequences on ethical and privacy liberties constitute important factors influencing consumers' perceptions of technologies...

  12. Professional Problems Experienced by Information Technology Teachers and Suggested Solutions: Longitudinal Survey

    OpenAIRE

    Hafize Keser; Levent Çetinkaya

    2013-01-01

    The study aimed to determine the opinions of teacher candidates in the fourth year of Computer Education & Instructional Technologies department (CEIT) on the Problems Experienced by Information Technology (IT) Teachers and Suggested Solutions and it has been designed in case study routine taking place within qualitative research tradition and in a longitudinal survey model. The final year IT teacher candidates receiving education in Ankara University Educational Sciences Faculty CEIT departm...

  13. A novel fiber-based adsorbent technology

    Energy Technology Data Exchange (ETDEWEB)

    Reynolds, T.A. [Chemica Technologies, Inc., Bend, OR (United States)

    1997-10-01

    In this Phase I Small Business Innovation Research program, Chemica Technologies, Inc. is developing an economical, robust, fiber-based adsorbent technology for removal of heavy metals from contaminated water. The key innovation is the development of regenerable adsorbent fibers and adsorbent fiber cloths that have high capacity and selectivity for heavy metals and are chemically robust. The process has the potential for widespread use at DOE facilities, mining operations, and the chemical process industry.

  14. Common Workflow Service: Standards Based Solution for Managing Operational Processes

    Science.gov (United States)

    Tinio, A. W.; Hollins, G. A.

    2017-06-01

    The Common Workflow Service is a collaborative and standards-based solution for managing mission operations processes using techniques from the Business Process Management (BPM) discipline. This presentation describes the CWS and its benefits.

  15. Two RFID-based solutions for secure inpatient medication administration.

    Science.gov (United States)

    Yen, Yi-Chung; Lo, Nai-Wei; Wu, Tzong-Chen

    2012-10-01

    Medication error can easily cause serious health damage to inpatients in hospital. Consequently, the whole society has to spend huge amount of extra resources for additional therapies and medication on those affected inpatients. In order to prevent medication errors, secure inpatient medication administration system is required in a hospital. Using RFID technology, such administration system provides automated medication verification for inpatient's medicine doses and generates corresponding medication evidence, which may be audited later for medical dispute. Recently, Peris-Lopez et al. (Int. J. Med. Inform., 2011) proposed an IS-RFID system to enhance inpatient medication safety. Nevertheless, IS-RFID system does not detect the denial of proof attack efficiently and the generated medication evidence cannot defend against counterfeit evidence generated from the hospital. That is, the hospital possesses enough privilege from the design of IS-RFID system to modify generated medication evidence whenever it is necessary. Hence, we design two lightweight RFID-based solutions for secure inpatient medication administration, one for online verification environment and the other for offline validation situation, to achieve system security on evidence generation and provide early detection on denial of proof attack.

  16. Trust and Privacy Solutions Based on Holistic Service Requirements

    Directory of Open Access Journals (Sweden)

    José Antonio Sánchez Alcón

    2015-12-01

    Full Text Available The products and services designed for Smart Cities provide the necessary tools to improve the management of modern cities in a more efficient way. These tools need to gather citizens’ information about their activity, preferences, habits, etc. opening up the possibility of tracking them. Thus, privacy and security policies must be developed in order to satisfy and manage the legislative heterogeneity surrounding the services provided and comply with the laws of the country where they are provided. This paper presents one of the possible solutions to manage this heterogeneity, bearing in mind these types of networks, such as Wireless Sensor Networks, have important resource limitations. A knowledge and ontology management system is proposed to facilitate the collaboration between the business, legal and technological areas. This will ease the implementation of adequate specific security and privacy policies for a given service. All these security and privacy policies are based on the information provided by the deployed platforms and by expert system processing.

  17. Information Technology Infrastructure for the NASA Earth Science Enterprise Solutions Network

    Science.gov (United States)

    Aanstoos, J. V.; Shaw, D. R.; O'Hara, C. G.; Frisbie, T. E.

    2006-12-01

    The NASA Applied Sciences Program uses the term Solutions Network in the context of its Enterprise Architecture to describe the ability of different components of the enterprise to generate ideas for new ways to use NASA missions, research, and/or models in conjunction with operational decision-making processes (or decision support systems) to achieve a particular benefit to society. In this paper, we describe the development of an information technology infrastructure that will facilitate that ability. The two main components of this infrastructure are: the Research Projects Knowledge Base (RPKB); and the Partner Network Knowledge Base (PNKB). The RPKB aims to index all relevant NASA research result publications in a database that will be interoperable with the evolving NASA enterprise architecture system and will share relevant table space with it. In particular, fields from this system identifying relevant NASA missions, models, and data products will be used to cross-index the data collected on published results of research projects. Fields characterizing the research results based on the seven Earth-Sun system science focus areas and the twelve applications of national priority are included. In the course of developing the RPKB, novel uses of existing online databases and search tools have been developed. In addition, data mining tools are being developed for facilitating the location of candidate results and the indexing of relevant matches. The PNKB database will characterize the current network of NASA Earth-Sun system partners. This includes information on organizations and agencies funded by or partnered with NASA to conduct Earth-Sun system scientific research, technology, and applications projects. The relationships between NASA programs and project sponsors are also captured in this database. Both the PNKB and the RPKB will be integrated with an existing, evolving model of the NASA Earth Science Enterprise using an enterprise architecture modeling and

  18. The technology vicinity: a location based view on technology

    NARCIS (Netherlands)

    Steenhuis, H.J.; de Bruijn, E.J.; Kocaoglu, D.F.; Anderson, T.R.

    2001-01-01

    The issue of technology transfer has been viewed from many different perspectives. In this case the focus is on the process of (production) technology transfer. One of the difficulties in studying international technology transfer is the definition of technology. The many technology definitions that

  19. Evaluation of cost-effective aeration technology solutions to address total trihalomethane (TTHM) compliance

    Science.gov (United States)

    The primary objective of this project was to evaluate cost-effective aeration technology solutions to address TTHM compliance at a water treatment plant clearwell. The project team worked closely with EPA Region 6 and the EPA Office of Research and Development (ORD) to identify a...

  20. Evaluation of cost-effective aeration technology solutions to address total trihalomethane (TTHM) compliance

    Science.gov (United States)

    The primary objective of this project was to evaluate cost-effective aeration technology solutions to address TTHM compliance at a water treatment plant clearwell. The project team worked closely with EPA Region 6 and the EPA Office of Research and Development (ORD) to identify a...

  1. In vitro cell quality of buffy coat platelets in additive solution treated with pathogen reduction technology

    DEFF Research Database (Denmark)

    Ostrowski, Sisse R; Bochsen, Louise; Salado-Jimena, José A

    2010-01-01

    Pathogen reduction technologies (PRTs) may induce storage lesion in platelet (PLT) concentrates. To investigate this, buffy coat PLTs (BCPs) in PLT additive solution (AS; SSP+) with or without Mirasol PRT (CaridianBCT Biotechnologies) were assessed by quality control tests and four-color flow...

  2. WDM PONs based on colorless technology

    Science.gov (United States)

    Saliou, Fabienne; Simon, Gael; Chanclou, Philippe; Pizzinat, Anna; Lin, Huafeng; Zhou, Enyu; Xu, Zhiguang

    2015-12-01

    Wavelength Division Multiplexing (WDM) Passive Optical Network (PON) is foreseen to be part of the Next Generation Passive Optical Networks. Business and mobile fronthaul networks already express the need to develop WDM PONs in the access segment. Fixed wavelength transceivers based on Coarse WDM are already available to respond to today's market needs but Dense WDM technologies will be needed and colorless technologies are essential to provide simple and cost-effective WDM PON systems. We propose in this paper to demonstrate the capabilities of a DWDM PON system prototype based on self-seeded RSOAs and designed to transmit CPRI over 60 km of fiber at 2.5 Gbit/s.

  3. Skin formation in drying a film of soft matter solutions: Application of solute based Lagrangian scheme

    Science.gov (United States)

    Ling, Luo; Fanlong, Meng; Junying, Zhang; Masao, Doi

    2016-07-01

    When a film of soft matter solutions is being dried, a skin layer often forms at its surface, which is a gel-like elastic phase made of concentrated soft matter solutions. We study the dynamics of this process by using the solute based Lagrangian scheme which was proposed by us recently. In this scheme, the process of the gelation (i.e., the change from sol to gel) can be naturally incorporated in the diffusion equation. Effects of the elasticity of the skin phase, the evaporation rate of the solvents, and the initial concentration of the solutions are discussed. Moreover, the condition for the skin formation is provided. Project supported by the National Natural Science of China (Grant Nos. 21434001, 51561145002, and 11421110001).

  4. Communicating Customer Value Based on Modern Technologies

    Directory of Open Access Journals (Sweden)

    Slawomir Czarniewski

    2014-06-01

    Full Text Available The article presents the idea of gaining a position of competitive advantage by companies operating in the knowledge-based economy and in the age of modern technology. The rate of change in companies’ environments forces organizations to react quickly to clients’ needs. In recent years, there has been an observed systematic increase in the importance of communicating customer value in Poland. This paper shows changes (trends in the system of market communication in the age of modern technology and changes in the economy. The author presents the mechanisms and effects of communication in age new technology in Poland. Modern technologies enable the collection, storage and transmission of information. Reflections contained in the paper do not have definite characteristics and should be treated as an opinion in the discussion.

  5. Requirements and solutions for future pellet technology; Krav och loesningar foer framtidens pelletsteknik

    Energy Technology Data Exchange (ETDEWEB)

    Paulrud, Susanne; Roennbaeck, Marie; Ryde, Daniel; Laitila, Thomas

    2010-07-01

    Requirements and solutions for future pellet burning technologies Since 2006, sales of pellet burning technologies to the Swedish residential market have fallen. The main reasons for this decrease are: many of the economically favorable easy conversions from oil to pellets have been made; competition from heat pumps; warm winters; a stable electricity price; and the current structure of heating in residential buildings, where electric heating dominates. To change this falling trend pellets need to become more attractive to consumers. This project aimed to analyze the requirements for the next generation of pellets systems and to develop potential solutions, in collaboration with the pellets industry. More specifically, the study looked at consumers' attitudes toward heating choices and different heating through a survey to 2000 house owners across Sweden. The project included a market analysis of Swedish and international technologies and examines the conditions for Swedish pellet burning technology in different markets. In addition, new solutions and developments for Swedish pellets burning technology are described

  6. Biomimetic Cilia Based on MEMS Technology

    Institute of Scientific and Technical Information of China (English)

    Zhi-guo Zhou; Zhi-wen Liu

    2008-01-01

    A review on the research of Micro Electromechanical Systems (MEMS) technology based biomimetic cilia is presented. Biomimetic cilia, enabled by the advancement of MEMS technology, have been under dynamic development for the past decade. After a brief description of the background of cilia and MEMS technology, different biomimetic cilia applications are reviewed. Biomimetic cilia micro-actuators, including micromachined polyimide bimorph biomimetic cilia micro-actuator, electro-statically actuated polymer biomimetic cilia micro-actuator, and magnetically actuated nanorod array biomimetic cilia micro-actuator, are presented. Subsequently micromachined underwater flow biomimetic cilia micro-sensor is studied, followed by acoustic flow micro-sensor. The fabrication of these MEMS-based biomimetic cilia devices, characterization of their physical properties, and the results of their application experiments are discussed.

  7. Redox flow batteries based on supporting solutions containing chloride

    Energy Technology Data Exchange (ETDEWEB)

    Li, Liyu; Kim, Soowhan; Yang, Zhenguo; Wang, Wei; Zhang, Jianlu; Chen, Baowei; Nie, Zimin; Xia, Guanguang

    2014-01-14

    Redox flow battery systems having a supporting solution that contains Cl.sup.- ions can exhibit improved performance and characteristics. Furthermore, a supporting solution having mixed SO.sub.4.sup.2- and Cl.sup.- ions can provide increased energy density and improved stability and solubility of one or more of the ionic species in the catholyte and/or anolyte. According to one example, a vanadium-based redox flow battery system is characterized by an anolyte having V.sup.2+ and V.sup.3+ in a supporting solution and a catholyte having V.sup.4+ and V.sup.5+ in a supporting solution. The supporting solution can contain Cl.sup.- ions or a mixture of SO.sub.4.sup.2- and Cl.sup.- ions.

  8. Redox flow batteries based on supporting solutions containing chloride

    Energy Technology Data Exchange (ETDEWEB)

    Li, Liyu; Kim, Soowhan; Yang, Zhenguo; Wang, Wei; Nie, Zimin; Chen, Baowei; Zhang, Jianlu; Xia, Guanguang

    2015-07-07

    Redox flow battery systems having a supporting solution that contains Cl.sup.- ions can exhibit improved performance and characteristics. Furthermore, a supporting solution having mixed SO.sub.4.sup.2- and Cl.sup.- ions can provide increased energy density and improved stability and solubility of one or more of the ionic species in the catholyte and/or anolyte. According to one example, a vanadium-based redox flow battery system is characterized by an anolyte having V.sup.2+ and V.sup.3+ in a supporting solution and a catholyte having V.sup.4+ and V.sup.5+ in a supporting solution. The supporting solution can contain Cl.sup.- ions or a mixture of SO.sub.4.sup.2- and Cl.sup.- ions.

  9. Redox flow batteries based on supporting solutions containing chloride

    Energy Technology Data Exchange (ETDEWEB)

    Li, Liyu; Kim, Soowhan; Yang, Zhenguo; Wang, Wei; Nie, Zimin; Chen, Baowei; Zhang, Jianlu; Xia, Guanguang

    2015-09-01

    Redox flow battery systems having a supporting solution that contains Cl.sup.- ions can exhibit improved performance and characteristics. Furthermore, a supporting solution having mixed SO.sub.4.sup.2- and Cl.sup.- ions can provide increased energy density and improved stability and solubility of one or more of the ionic species in the catholyte and/or anolyte. According to one example, a vanadium-based redox flow battery system is characterized by an anolyte having V.sup.2+ and V.sup.3+ in a supporting solution and a catholyte having V.sup.4+ and V.sup.5+ in a supporting solution. The supporting solution can contain Cl.sup.- ions or a mixture of SO.sub.4.sup.2- and Cl.sup.- ions.

  10. Internet MEMS design tools based on component technology

    Science.gov (United States)

    Brueck, Rainer; Schumer, Christian

    1999-03-01

    The micro electromechanical systems (MEMS) industry in Europe is characterized by small and medium sized enterprises specialized on products to solve problems in specific domains like medicine, automotive sensor technology, etc. In this field of business the technology driven design approach known from micro electronics is not appropriate. Instead each design problem aims at its own, specific technology to be used for the solution. The variety of technologies at hand, like Si-surface, Si-bulk, LIGA, laser, precision engineering requires a huge set of different design tools to be available. No single SME can afford to hold licenses for all these tools. This calls for a new and flexible way of designing, implementing and distributing design software. The Internet provides a flexible manner of offering software access along with methodologies of flexible licensing e.g. on a pay-per-use basis. New communication technologies like ADSL, TV cable of satellites as carriers promise to offer a bandwidth sufficient even for interactive tools with graphical interfaces in the near future. INTERLIDO is an experimental tool suite for process specification and layout verification for lithography based MEMS technologies to be accessed via the Internet. The first version provides a Java implementation even including a graphical editor for process specification. Currently, a new version is brought into operation that is based on JavaBeans component technology. JavaBeans offers the possibility to realize independent interactive design assistants, like a design rule checking assistants, a process consistency checking assistants, a technology definition assistants, a graphical editor assistants, etc. that may reside distributed over the Internet, communicating via Internet protocols. Each potential user thus is able to configure his own dedicated version of a design tool set dedicated to the requirements of the current problem to be solved.

  11. Technology-based Mergers and Acquisitions

    DEFF Research Database (Denmark)

    Wang, Daojuan; Moini, Hamid

    2014-01-01

    The purpose of this chapter is to provide an updated review of what is known about the performance of technology-based mergers and acquisitions (TBM&As) and their determinants. This review brings together papers published from 1990 to 2012 in top-rated academic journals within nearly all fields...

  12. DWDM Devices Based on Planar Waveguide Technologies

    Institute of Scientific and Technical Information of China (English)

    2003-01-01

    A review is presented on some of our recent results for designs, simulations and fabrication of several photonic integrated devices, such as arrayed-waveguide gratings (AWGs) and etched diffraction gratings (EDGs), based on planar waveguide technologies. Some novel designs for flat-top AWGs and EDGs with flat-top spectral responses are presented.

  13. Designing Personalization in Technology-Based Services

    Science.gov (United States)

    Lee, Min Kyung

    2013-01-01

    Personalization technology has the potential to optimize service for each person's unique needs and characteristics. One way to optimize service is to allow people to customize the service themselves; another is to proactively tailor services based on information provided by people or inferred from their past behaviors. These approaches function…

  14. Technology-based Mergers and Acquisitions

    DEFF Research Database (Denmark)

    Wang, Daojuan; Moini, Hamid

    2014-01-01

    The purpose of this chapter is to provide an updated review of what is known about the performance of technology-based mergers and acquisitions (TBM&As) and their determinants. This review brings together papers published from 1990 to 2012 in top-rated academic journals within nearly all fields...

  15. Analytic solutions for unconfined groundwater flow over a stepped base

    Science.gov (United States)

    Fitts, Charles R.; Strack, Otto D. L.

    1996-03-01

    Two new exact solutions are presented for uniform unconfined groundwater flow over a stepped base; one for a step down in the direction of flow, the other for a step up in the direction of flow. These are two-dimensional solutions of Laplace's equation in the vertical plane, and are derived using the hodograph method and conformal mappings on Riemann surfaces. The exact solutions are compared with approximate one-dimensional solutions which neglect the resistance to vertical flow. For small horizontal hydraulic gradients typical of regional groundwater flow, little error is introduced by neglecting the vertical resistance to flow. This conclusion may be extended to two-dimensional analytical models in the horizontal plane, which neglect the vertical resistance to flow and treat the aquifer base as a series of flat steps.

  16. Solution influence on biomolecular equilibria - Nucleic acid base associations

    Science.gov (United States)

    Pohorille, A.; Pratt, L. R.; Burt, S. K.; Macelroy, R. D.

    1984-01-01

    Various attempts to construct an understanding of the influence of solution environment on biomolecular equilibria at the molecular level using computer simulation are discussed. First, the application of the formal statistical thermodynamic program for investigating biomolecular equilibria in solution is presented, addressing modeling and conceptual simplications such as perturbative methods, long-range interaction approximations, surface thermodynamics, and hydration shell. Then, Monte Carlo calculations on the associations of nucleic acid bases in both polar and nonpolar solvents such as water and carbon tetrachloride are carried out. The solvent contribution to the enthalpy of base association is positive (destabilizing) in both polar and nonpolar solvents while negative enthalpies for stacked complexes are obtained only when the solute-solute in vacuo energy is added to the total energy. The release upon association of solvent molecules from the first hydration layer around a solute to the bulk is accompanied by an increase in solute-solvent energy and decrease in solvent-solvent energy. The techniques presented are expectd to displace less molecular and more heuristic modeling of biomolecular equilibria in solution.

  17. The Implementation of Technology-Based SME Management Development Programmes

    Science.gov (United States)

    Carr, James

    2005-01-01

    Learning technology is seen as one solution to the problem of delivering management training in Small and Medium-sized Enterprises (SMEs). This paper investigates how the Higher Education (HE) sector can use its growing expertise in learning technology implementation to develop effective SME management development solutions. It is found that there…

  18. Rewilding as nature based solution in land management

    Science.gov (United States)

    Novara, Agata; Gristina, Luciano; Keesstra, Saskia; Pereira, Paulo; Cerda, Artemio

    2017-04-01

    Rewilding is an effective tool of ecological restoration and a nature based solution for hydro-meteorological risk control. Rewilding contributes to reduce flood risk, resist droughts, helps to restore soil organic matter content, increases soil and plant biodiversity, improves the overall ecosystem and human health. The key element of rewilding is not the nature control, but following the natural processes to restore the key soil ecological factors and their connectivity. Rewilding can be applicable at different ecosystem stages, from natural reserve to more anthropogenic system such as agricultural land through the restoration of wild soil function trough permaculture or forest farming. The proposed nature based solution not only avoid the investment in traditional engineering but it also an opportunities for creating new economics model based on wild nature (ecoturism, education, wild edible plants). This work is a review of applied rewilding actions and considerations on future nature based solutions applications will be discussed .

  19. Ionisation constants of inorganic acids and bases in aqueous solution

    CERN Document Server

    Perrin, D D

    2013-01-01

    Ionisation Constants of Inorganic Acids and Bases in Aqueous Solution, Second Edition provides a compilation of tables that summarize relevant data recorded in the literature up to the end of 1980 for the ionization constants of inorganic acids and bases in aqueous solution. This book includes references to acidity functions for strong acids and bases, as well as details about the formation of polynuclear species. This text then explains the details of each column of the tables, wherein column 1 gives the name of the substance and the negative logarithm of the ionization constant and column 2

  20. Optimization principles and methods for membrane separation technology based on the "solution structure" feature of Chinese herbal active small molecule groups%基于中药复方小分子药效物质组“溶液结构”特征的膜分离技术优化原理与方法初探

    Institute of Scientific and Technical Information of China (English)

    郭立玮; 陆敏; 付廷明; 李博; 李玲娟; 董洁

    2012-01-01

    mass transfer process; c) exploring the correlation betwwen "solution structure" of the chemical medicine system and the membrane material micro-structure by using the computer technology. The purpose of this study is: a) deepening overall concept-based modem research of Chinese herbal compound by integrating of a multidisciplinary approach; b) establishing a specific membrane separation technology which can obtain small molecule groups from traditional Chinese medicine; c) providing a theoretical basis for new Chinese medicine; d) solving the key problems of Chinese herbal compound preparation and promoting the development of membrane science and technology.

  1. Technology-Based Content through Virtual and Physical Modeling: A National Research Study

    Science.gov (United States)

    Ernst, Jeremy V.; Clark, Aaron C.

    2009-01-01

    Visualization is becoming more prevalent as an application in science, engineering, and technology related professions. The analysis of static and dynamic graphical visualization provides data solutions and understandings that go beyond traditional forms of communication. The study of technology-based content and the application of conceptual…

  2. Immobilization of zinc from metallurgical waste and water solutions using geopolymerization technology

    Directory of Open Access Journals (Sweden)

    Nikolići I.

    2014-07-01

    Full Text Available Geopolymeraization technology is recognized as a promising method for immobilization of heavy metals by the stabilization or solidification process. This process involves the chemical reaction of alumino-silicate oxides with highly alkaline activator yielding the new material with amorphous or semi-amorphous structure, called geopolymer. Fly ash and blast furnace slag were mainly used as a raw material for geopolymerization process. In this paper we have investigated the possibility of immobilization of Zn from electric arc furnace dust (EAFD through geopolymerization of fly ash and possibility of Zn2+ adsorption from waste waters using fly ash based geopolymers. Efficacy of Zn immobilization from electric arc furnace dust was evaluated by TCLP test while the immobilization of Zn2+ ions from the water solution was evaluated through the removal efficiency. The results have shown that geopolymerization process may successfully be used for immobilization of Zn by stabilization of EAFD and for production of low cost adsorbent for waste water treatment.

  3. Trends of solution technologies related to water quality; Suishitsu kanren solution no gijutsu no doko to tenbo

    Energy Technology Data Exchange (ETDEWEB)

    Saito, H.; Kazama, K.; Fukuda, M. [Fuji Electric Co. Ltd., Tokyo (Japan)

    1997-06-10

    This paper reviews essential problems of water environment and trends of solution technologies related to water quality problems promoted by Fuji Electric. They have developed a water quality safety monitor for high-sensitivity monitoring of river water and lake water, and a water quality control system for supporting river managers during water quality accidents. For the water quality safety monitor, nitrification bacteria sensitive to toxicants are fixed as bacterial membrane, and it is attached on the dissolved oxygen electrode. Toxicants mixed in the river water can be detected by determining the activity of nitrification bacteria from the change of dissolved oxygen consumption. This provides ten times of detecting sensibility compared with fish. A coagulation sensor has been also developed for the low turbidity operation during water purifying process and the optimal injection of coagulants. High-performance ozonizers have been developed for advanced treatment of purified water. Using this, nasty smell and precursors of trihalomethane in drinking water can be strongly decomposed. For the field of sewage water, a biosensor has been developed. It takes only 20 minutes to measure BOD, which took 5 days previously. For the treatment technology, a two-tank type intermittent aeration activated sludge process has been completed, which provides a remarkable removing effect of nitrogen and phosphorus in sewage water. 18 refs., 2 figs.

  4. Energy conservation technologies based on thermodynamic principles

    Energy Technology Data Exchange (ETDEWEB)

    Hirata, Masaru [Shibaura Institute of Technology of Technology, Tokyo (Japan)

    1996-12-31

    In order to reduce CO{sub 2} emission to prevent global warming, the most promising way for electric generation in the Northeast Asia is to introduce cogeneration and {open_quotes}repowering{close_quotes} technologies based on high temperature gas turbines fueled by natural gas. Especially the old type coal burning boiler-steam turbine plants should be retrofit by introducing gas turbines to become highly efficient combined cycle. Same technologies should be applied to the old garbage incineration plants and/or even to the nuclear power plants. The exhaust heat or steam should become much increased and it should be utilized as the process heat for industries or heat supply as the distinct heating or cooling for residential area. This paper introduces a brief survey of these new technologies.

  5. A web-based rapid assessment tool for production publishing solutions

    Science.gov (United States)

    Sun, Tong

    2010-02-01

    Solution assessment is a critical first-step in understanding and measuring the business process efficiency enabled by an integrated solution package. However, assessing the effectiveness of any solution is usually a very expensive and timeconsuming task which involves lots of domain knowledge, collecting and understanding the specific customer operational context, defining validation scenarios and estimating the expected performance and operational cost. This paper presents an intelligent web-based tool that can rapidly assess any given solution package for production publishing workflows via a simulation engine and create a report for various estimated performance metrics (e.g. throughput, turnaround time, resource utilization) and operational cost. By integrating the digital publishing workflow ontology and an activity based costing model with a Petri-net based workflow simulation engine, this web-based tool allows users to quickly evaluate any potential digital publishing solutions side-by-side within their desired operational contexts, and provides a low-cost and rapid assessment for organizations before committing any purchase. This tool also benefits the solution providers to shorten the sales cycles, establishing a trustworthy customer relationship and supplement the professional assessment services with a proven quantitative simulation and estimation technology.

  6. 78 FR 41954 - TA-W-82,634, Prudential Global Business Technology Solutions Central Security Services Dresher...

    Science.gov (United States)

    2013-07-12

    ... Employment and Training Administration TA-W-82,634, Prudential Global Business Technology Solutions Central Security Services Dresher, Pennsylvania; TA-W-82,634A, Prudential Global Business Technology Solutions Central Security Services Iselin, New Jersey; TA-W-82,634B, Prudential Global Business...

  7. Reliability solutions for a smart digital factory using: (1) RFID based CEP; (2) Image processing based error detection; (3) RFID based HCI

    OpenAIRE

    Badr, Eid

    2011-01-01

    New technologies have a great influence on the production process in modern factories. Introducing new techniques and methods is crucial to optimize and enhance the working of factories. However, ensuring a reliable and correct integration requires complete evaluation and assessment. In this thesis I utilize RFID systems and image processing to develop and implement real time solutions to enhance and optimize the production and assembly processes. Solutions include: RFID based CEP to detect p...

  8. Properties of casting solutions and ultrafiltration membranes based on fullerene-polyamide nanocomposites

    Directory of Open Access Journals (Sweden)

    N. N. Sudareva

    2012-03-01

    Full Text Available Poly(phenylene isophtalamide (PA was modified by fullerene C60 using solid-phase method. Novel ultrafiltration membranes based on nanocomposites containing up to 10 wt% of fullerene and carbon black were prepared. Properties of PA/C60 composites in solutions were studied by light scattering and rheological methods. The relationship between characteristics of casting solutions and properties of nanocomposite membranes was studied. Scanning electron microscopy was used for structural characterization of the membranes. It was found that increase in fullerene content in nanocomposite enhances the membrane rigidity. All nanocomposite membranes were tested in dynamic (ultrafiltration and static sorption experiments using a solution of protein mixture, with the purpose of studying protein sorption. The membranes modified by fullerene demonstrate the best values of flux reduced recovery after contact with protein solution. It was found that addition of fullerene C60 to the polymer improves technological parameters of the obtained composite membranes.

  9. Technology-Based Healthcare for Nursing Education Within The Netherlands: Past, Present and Future.

    Science.gov (United States)

    Koster, Ybranda; van Houwelingen, Cornelis T M

    2017-01-01

    At the present time, nearly all Dutch nursing schools are searching for suitable ways to implement technology-based healthcare in their curriculum. Some Universities chose elective education, others a mandatory solution. Several studies were executed to determine competencies needed by nurses in order to work with technology-based healthcare. In 2016 a nationwide new curriculum for nurses has been published. Providing technology-based healthcare is included under the core competencies of this new curriculum. All baccalaureate nursing educational institutes must implement this new curriculum at the start of 2016 which will have a huge impact on the implementation of technology-based healthcare in the education programs. In the future, technology centers from Universities will collaborate and specialize, partner with technology companies and crossovers between information and communication technology and healthcare education will be expanded.

  10. A new solution for maximal clique problem based sticker model.

    Science.gov (United States)

    Darehmiraki, Majid

    2009-02-01

    In this paper, we use stickers to construct a solution space of DNA for the maximal clique problem (MCP). Simultaneously, we also apply the DNA operation in the sticker-based model to develop a DNA algorithm. The results of the proposed algorithm show that the MCP is resolved with biological operations in the sticker-based model for the solution space of the sticker. Moreover, this work presents clear evidence of the ability of DNA computing to solve the NP-complete problem. The potential of DNA computing for the MCP is promising given the operational time complexity of O(nxk).

  11. 基于虚拟化技术的网络集群系统数据安全解决方案%The Data Security Solution of Network Cluster System based on Virtualization Technology

    Institute of Scientific and Technical Information of China (English)

    周南弢; 吴波

    2013-01-01

    Kunming Municipal People's Procuratorate uses VMware virtualization technology to build personal desktop systems, while integrating all the city's website resources to build the cluster system and a unified cloud desktop and cloud storage applications system. The dispersed content in network and information system will be centralized in the cloud, by using the handware system such as the center shielded computer room,encryption machine, ifrewall and intrusion detection system to ensure the personal and system’s data security .%昆明市人民检察院采用VMware技术搭建个人虚拟化桌面系统,同时整合全市各县(市)区网站资源打造昆明检察集群系统,并建立统一的云桌面及云存储应用系统,将网络与信息系统中分散的内容统一集中存放于云端,通过计算中心屏蔽机房及加密机、防火墙、入侵检测等硬件系统及网络管理平台软件系统确保个人及系统数据安全。

  12. Editorial: The War for Talent: Technologies and solutions toward competency and skills development and talent identification

    OpenAIRE

    Fanny Klett (IEEE Fellow); Minhong Wang

    2013-01-01

    This special issue is dedicated to advanced technological solutions and novel methodical approaches toward human capital management in terms of career development, assessment and recruitment as a driver for innovation and sustainable competitive advantage for academia and businesses in the changing conditions of the global employment market, and the War for Talent. Latest competitiveness-driven developments in productivity and services move forward human capital management and assessment tech...

  13. Exploring the Concept of Big Data : Technologies, Solutions and Best Practices

    OpenAIRE

    Ritola, Ilkka

    2014-01-01

    This research work aims to explore the concept of Big Data in detail. More specifically, the objective is to define and clarify the concept by examining the exact meaning of Big Data and understanding its underlying technologies. Moreover, this research discusses Big Data analytics solutions offered in the market today, along with best practices on implementing at strategic level. Big Data is one of the most talked about topics of the recent years in both business and information technolo...

  14. Diffraction-based overlay metrology for double patterning technologies

    Science.gov (United States)

    Dasari, Prasad; Korlahalli, Rahul; Li, Jie; Smith, Nigel; Kritsun, Oleg; Volkman, Cathy

    2009-03-01

    The extension of optical lithography to 32nm and beyond is made possible by Double Patterning Techniques (DPT) at critical levels of the process flow. The ease of DPT implementation is hindered by increased significance of critical dimension uniformity and overlay errors. Diffraction-based overlay (DBO) has shown to be an effective metrology solution for accurate determination of the overlay errors associated with double patterning [1, 2] processes. In this paper we will report its use in litho-freeze-litho-etch (LFLE) and spacer double patterning technology (SDPT), which are pitch splitting solutions that reduce the significance of overlay errors. Since the control of overlay between various mask/level combinations is critical for fabrication, precise and accurate assessment of errors by advanced metrology techniques such as spectroscopic diffraction based overlay (DBO) and traditional image-based overlay (IBO) using advanced target designs will be reported. A comparison between DBO, IBO and CD-SEM measurements will be reported. . A discussion of TMU requirements for 32nm technology and TMU performance data of LFLE and SDPT targets by different overlay approaches will be presented.

  15. The internet based on presence system technology*

    Science.gov (United States)

    Styugin, M.; Kaygorodov, A.

    2016-04-01

    In our study we analyze how to create the systems based on “communication-resource-presence”- technology. We formulate functional and architectural requirements. It is shown some new features in this systems that pertain to communication and information search on the Internet. The Internet passed three infrastructure stages from the communication between two hosts to the resource intermediation and communication in real presence systems. The systems based on the presence technologies have just started to develop. Our study shows what criteria’s they must meet. One of this criteria is the division of site resources into the "rooms" logically separated from each other. The users can see and connect to each other. The contextual data of user presence in a particular "room" can be used when searching for them in the context of professional competence.

  16. Technology enables value-based nursing care.

    Science.gov (United States)

    Simpson, Roy L

    2012-01-01

    Although America spends more per capita on health care than any other nation in the world, care is neither consistent nor effective. The rising prominence of value-based care initiatives gives nurse executives an opportunity to lead clinical practice into a new evidence-fueled decision-making era. Technology holds the key to making emerging better practices and the latest clinical breakthroughs available at the point of care.

  17. Additive Technologies Based on Composite Powder Nanomaterials

    Science.gov (United States)

    Gorynin, I. V.; Oryshchenko, A. S.; Malyshevskii, V. A.; Farmakovskii, B. V.; Kuznetsov, P. A.

    2015-01-01

    The possibilities of application of promising adaptive technologies of bulk laser deposition and selective laser sintering in machine building with the aim of creation of complex-configuration parts and reconditioning of worn components of various-purpose articles from metallic powder materials are considered. The possibilities of the production chain from making of metallic powders to creation of ready coatings and articles on the base of a single unit are described.

  18. El Reto de la Transformación de las Soluciones Tecnológicas en Soluciones de Negocio (The Challenge of transform Technological Solutions into Business Solutions

    Directory of Open Access Journals (Sweden)

    Mario Alberto Guerrero Mendoza

    2014-05-01

    Full Text Available Resumen Actualmente la velocidad del desarrollo tecnológico nos ha obligado a seguir su camino sin pensar en que solamente estamos orientando nuestro destino a las tendencias comerciales de los grandes fabricantes de software. Este estudio describe y analiza los elementos que nos han orientado hacia esta práctica y plantea como revertir este efecto considerando un modelo diferente para la concepción de una solución de negocios basada en tecnología de la información y con componentes que hayan sido seleccionados por investigación tecnológica y de acuerdo al valor que aportan para lograr beneficios tangibles a los negocios. Abstract Currently the speed of technological development has forced us to move on without thinking that we are directing our fate only to commercial trends of the major manufacturers of software. This study describes and analyzes the elements that have guided us towards this practice and poses as reverse this effect by considering a different model for the design of a business solution based on information technology and components that have been selected for research and technological according to the value they bring to achieve tangible business benefits.

  19. 虚拟私用网络及其解决方案%Virtual Private Networks Technologies and Solutions

    Institute of Scientific and Technical Information of China (English)

    袁宜东; 叶文川; 汪为农

    2001-01-01

    Virtual Private Networks is a temporary, private and securetunnel based on the Internet. It is extension of company Intranet and Extranet. This paper focuses on the popular Virtual Private Networks' technologies and solutions.%虚拟私用网络是在公共网络的基础上建立一个临时的、私用的、安全的连接,它是对企业内部网的扩展。重点介绍了目前虚拟私用网络实现的几种不同技术和方案。

  20. Treatment of spent NTA-based decontamination solutions

    Science.gov (United States)

    Pavlík, A.; Semelová, M.; John, J.; Černochová, K.; Šebesta, F.

    2006-01-01

    This study deals with potential treatment of spent NTA-containing decontamination solutions for final disposal. The method proposed is based on the degradation of organic substances followed by the separation of radionuclides. The influence of various parameters (pH value, irradiation time, temperature, catalyst amount, type and various combinations of catalysts) on photocatalytic degradation of NTA has been studied. Photo-Fenton reagent (Fe3+/H2O2) as a homogenous catalyst was found to be much more efficient than the TiO2-based heterogeneous catalyst Degussa P25. Under optimum conditions NTA in a simulant of a spent decontamination solution without or with hydrazine could be degraded within 5 or 9 hours, respectively. The study of sorption properties of a series of absorbers revealed that radiostrontium and radiosilver can be effectively removed from the simulant of a spent decontamination solution even in the presence of NTA, while total NTA degradation is necessary for effective radiocobalt separation.

  1. Autonomous Traffic Control System Using Agent Based Technology

    CERN Document Server

    M, Venkatesh; V, Srinivas

    2011-01-01

    The way of analyzing, designing and building of real-time projects has been changed due to the rapid growth of internet, mobile technologies and intelligent applications. Most of these applications are intelligent, tiny and distributed components called as agent. Agent works like it takes the input from numerous real-time sources and gives back the real-time response. In this paper how these agents can be implemented in vehicle traffic management especially in large cities and identifying various challenges when there is a rapid growth of population and vehicles. In this paper our proposal gives a solution for using autonomous or agent based technology. These autonomous or intelligent agents have the capability to observe, act and learn from their past experience. This system uses the knowledge flow of precedent signal or data to identify the incoming flow of forthcoming signal. Our architecture involves the video analysis and exploration using some Intelligence learning algorithm to estimate and identify the...

  2. Selective removal/recovery of RCRA metals from waste and process solutions using polymer filtration{trademark} technology

    Energy Technology Data Exchange (ETDEWEB)

    Smith, B.F. [Los Alamos National Lab., NM (United States)

    1997-10-01

    Resource Conservation and Recovery Act (RCRA) metals are found in a number of process and waste streams at many DOE, U.S. Department of Defense, and industrial facilities. RCRA metals consist principally of chromium, mercury, cadmium, lead, and silver. Arsenic and selenium, which form oxyanions, are also considered RCRA elements. Discharge limits for each of these metals are based on toxicity and dictated by state and federal regulations (e.g., drinking water, RCRA, etc.). RCRA metals are used in many current operations, are generated in decontamination and decommissioning (D&D) operations, and are also present in old process wastes that require treatment and stabilization. These metals can exist in solutions, as part of sludges, or as contaminants on soils or solid surfaces, as individual metals or as mixtures with other metals, mixtures with radioactive metals such as actinides (defined as mixed waste), or as mixtures with a variety of inert metals such as calcium and sodium. The authors have successfully completed a preliminary proof-of-principle evaluation of Polymer Filtration{trademark} (PF) technology for the dissolution of metallic mercury and have also shown that they can remove and concentrate RCRA metals from dilute solutions for a variety of aqueous solution types using PF technology. Another application successfully demonstrated is the dilute metal removal of americium and plutonium from process streams. This application was used to remove the total alpha contamination to below 30 pCi/L for the wastewater treatment plant at TA-50 at Los Alamos National Laboratory (LANL) and from nitric acid distillate in the acid recovery process at TA-55, the Plutonium Facility at LANL (ESP-CP TTP AL16C322). This project will develop and optimize the PF technology for specific DOE process streams containing RCRA metals and coordinate it with the needs of the commercial sector to ensure that technology transfer occurs.

  3. Editorial: The War for Talent: Technologies and solutions toward competency and skills development and talent identification

    Directory of Open Access Journals (Sweden)

    Fanny Klett (IEEE Fellow

    2013-03-01

    Full Text Available This special issue is dedicated to advanced technological solutions and novel methodical approaches toward human capital management in terms of career development, assessment and recruitment as a driver for innovation and sustainable competitive advantage for academia and business in the changing conditions of the global employment market, and the War for Talent. Latest competitiveness-driven developments in productivity and services move forward human capital management and assessment technology and services alongside with talent identification as a driver for innovation and key source of maximizing the Return-On-Investment in people and technology in academia and business. Governments and business start thinking about competency and skills development as the critical issue for the workforce, and the workplaces. Against this background, a complex interrelationship arises between strategic management, human capital management, and the overall quality management in every educational and enterprise setting. In addition, identifying highly competent human capital develops into a challenging issue of the recruitment process.

  4. Aragonite coating solutions (ACS) based on artificial seawater

    Energy Technology Data Exchange (ETDEWEB)

    Tas, A. Cuneyt, E-mail: c_tas@hotmail.com

    2015-03-01

    Graphical abstract: - Highlights: • Developed completely inorganic solutions for the deposition of monolayers of aragonite spherules (or ooids). • Solutions mimicked the artificial seawater. • Biomimetic crystallization was performed at the tropical sea surface temperature of 30 °C. - Abstract: Aragonite (CaCO{sub 3}, calcium carbonate) is an abundant biomaterial of marine life. It is the dominant inorganic phase of coral reefs, mollusc bivalve shells and the stalactites or stalagmites of geological sediments. Inorganic and initially precipitate-free aragonite coating solutions (ACS) of pH 7.4 were developed in this study to deposit monolayers of aragonite spherules or ooids on biomaterial (e.g., UHMWPE, ultrahigh molecular weight polyethylene) surfaces soaked in ACS at 30 °C. The ACS solutions of this study have been developed for the surface engineering of synthetic biomaterials. The abiotic ACS solutions, enriched with calcium and bicarbonate ions at different concentrations, essentially mimicked the artificial seawater composition and started to deposit aragonite after a long (4 h) incubation period at the tropical sea surface temperature of 30 °C. While numerous techniques for the solution deposition of calcium hydroxyapatite (Ca{sub 10}(PO{sub 4}){sub 6}(OH){sub 2}), of low thermodynamic solubility, on synthetic biomaterials have been demonstrated, procedures related to the solution-based surface deposition of high solubility aragonite remained uncommon. Monolayers of aragonite ooids deposited at 30 °C on UHMWPE substrates soaked in organic-free ACS solutions were found to possess nano-structures similar to the mortar-and-brick-type botryoids observed in biogenic marine shells. Samples were characterized using SEM, XRD, FTIR, ICP-AES and contact angle goniometry.

  5. The science, policy and practice of nature-based solutions

    NARCIS (Netherlands)

    Nesshöver, Carsten; Assmuth, Timo; Irvine, Katherine N.; Rusch, Graciela M.; Waylen, Kerry A.; Delbaere, Ben; Haase, Dagmar; Jones-Walters, Lawrence; Keune, Hans; Kovacs, Eszter; Krauze, Kinga; Külvik, Mart; Rey, Freddy; Dijk, van Jiska; Vistad, Odd Inge; Wilkinson, Mark E.; Wittmer, Heidi

    2017-01-01

    In this paper, we reflect on the implications for science, policy and practice of the recently introduced concept of Nature-Based Solutions (NBS), with a focus on the European context. First, we analyse NBS in relation to similar concepts, and reflect on its relationship to sustainability as an over

  6. Aerosol hygroscopic growth parameterization based on a solute specific coefficient

    Science.gov (United States)

    Metzger, S.; Steil, B.; Xu, L.; Penner, J. E.; Lelieveld, J.

    2011-09-01

    Water is a main component of atmospheric aerosols and its amount depends on the particle chemical composition. We introduce a new parameterization for the aerosol hygroscopic growth factor (HGF), based on an empirical relation between water activity (aw) and solute molality (μs) through a single solute specific coefficient νi. Three main advantages are: (1) wide applicability, (2) simplicity and (3) analytical nature. (1) Our approach considers the Kelvin effect and covers ideal solutions at large relative humidity (RH), including CCN activation, as well as concentrated solutions with high ionic strength at low RH such as the relative humidity of deliquescence (RHD). (2) A single νi coefficient suffices to parameterize the HGF for a wide range of particle sizes, from nanometer nucleation mode to micrometer coarse mode particles. (3) In contrast to previous methods, our analytical aw parameterization depends not only on a linear correction factor for the solute molality, instead νi also appears in the exponent in form x · ax. According to our findings, νi can be assumed constant for the entire aw range (0-1). Thus, the νi based method is computationally efficient. In this work we focus on single solute solutions, where νi is pre-determined with the bisection method from our analytical equations using RHD measurements and the saturation molality μssat. The computed aerosol HGF and supersaturation (Köhler-theory) compare well with the results of the thermodynamic reference model E-AIM for the key compounds NaCl and (NH4)2SO4 relevant for CCN modeling and calibration studies. The equations introduced here provide the basis of our revised gas-liquid-solid partitioning model, i.e. version 4 of the EQuilibrium Simplified Aerosol Model (EQSAM4), described in a companion paper.

  7. EMD-based GPS baseline solution and validation test

    Institute of Scientific and Technical Information of China (English)

    WANG Jian; GAO Jing-xiang; WANG Jin-ling; XU Chang-hui

    2008-01-01

    A GPS baseline solution model is presented, based on the Empirical Mode Decomposition (EMD), which has the advantage of eliminating the error effects outside the model. The EMD technique is a new signal processing method for non-linear time series, which decomposes a time series into a finite and often small number of Intrinsic Mode Functions (IMFs). The decomposition procedure is adaptive and data-driven which is suitable for non-linear data series analysis. A multi-scale decomposition and reconstruction architecture is defined on the basis of the EMD theory and the error mitigation model is demonstrated as well. A standard of the scale selection for the elimination of errors, outside the model, was given in terms of the mean of the accumulated standardized modes. Thereafter, the scheme of the GPS baseline solution based on the EMD is suggested. The float solution residuals of the Double-Difference (DD) observation equation are used to extract the errors outside the model applied to modify the GPS DD measurements. Then the float solution was given again and the fixed solution was obtained by a Lambda algorithm. Three schemes are designed to test the proposed model and the experimental results show that the proposed model dramatically improves the relia- bility of ambiguity resolution after the elimination of errors outside the model.

  8. MODELING AND OPTIMIZATION OF ORGANIZATIONAL AND TECHNOLOGICAL SOLUTIONS IN THE CONSTRUCTION OF ENERGY EFFICIENT FENCING STRUCTURES IN CIVIL ENGINEERING

    Directory of Open Access Journals (Sweden)

    Lapidus Azariy Abramovich

    2016-05-01

    Full Text Available The investigations of thermal and technical features of enveloping structures show that at the present time the structures of outer walls with hinged ventilated facades are the most energy efficient. The facades with air space are widely used both in residential and in public buildings. In the recent years the problems related to energy efficient enveloping structures are being actively investigated. The problems of modern Russian and foreign energy-efficient facade systems, their technical and structural solutions and the main methods of their installation are reviewed in the article. The methods of solving the tasks of research are proposed and the obtained results are described. The development of organizational and technological solutions for sealing of joints of front panels during installation of ventilated facades by pre-assembly method was the basis of the method of solving of the problem. The obtained data together with the developed structural and technological solutions may become the base for the development of technical rules and regulations.

  9. Monoclonal antibodies based on hybridoma technology.

    Science.gov (United States)

    Yagami, Hisanori; Kato, Hiroshi; Tsumoto, Kanta; Tomita, Masahiro

    2013-03-01

    Based on the size and scope of the present global market for medicine, monoclonal antibodies (mAbs) have a very promising future, with applications for cancers through autoimmune ailments to infectious disease. Since mAbs recognize only their target antigens and not other unrelated proteins, pinpoint medical treatment is possible. Global demand is dramatically expanding. Hybridoma technology, which allows production of mAbs directed against antigens of interest is therefore privileged. However, there are some pivotal points for further development to generate therapeutic antibodies. One is selective generation of human mAbs. Employment of transgenic mice producing human antibodies would overcome this problem. Another focus is recognition sites and conformational epitopes in antigens may be just as important as linear epitopes, especially when membrane proteins such as receptors are targeted. Recognition of intact structures is of critical importance for medical purposes. In this review, we describe patent related information for therapeutic mAbs based on hybridoma technology and also discuss new advances in hybridoma technology that facilitate selective production of stereospecific mAbs.

  10. Memristor-based memory: The sneak paths problem and solutions

    KAUST Repository

    Zidan, Mohammed A.

    2012-10-29

    In this paper, we investigate the read operation of memristor-based memories. We analyze the sneak paths problem and provide a noise margin metric to compare the various solutions proposed in the literature. We also analyze the power consumption associated with these solutions. Moreover, we study the effect of the aspect ratio of the memory array on the sneak paths. Finally, we introduce a new technique for solving the sneak paths problem by gating the memory cell using a three-terminal memistor device.

  11. Information-Technology Based Physics Education

    Science.gov (United States)

    Kim, J. S.; Lee, K. H.

    2001-04-01

    Developing countries emphasize expansion of the educated population but demand for quality improvement follows later. Current science education reform is driven in part by post cold war restructuring of the global economy and associated focus on the education of a more scientifically literate society, due to the industrial change from labor-intensive to high-technology type, and the societal change inherent in the present information era. Industry needs employees of broad and flexible background with inter disciplinary training, engineers with better physics training, and well trained physicists. Education researches have proved that active-learning based methods are superior to the traditional methods and the information technology (IT) has lot to offer in this. Use of IT for improving physics education is briefly discussed with prospects for collaboration in the Asia-Pacific region via Asian Physics Education Network (ASPEN), UNESCO University Foundation Course in Physics (UUFCP), etc.

  12. Terahertz wireless communications based on photonics technologies.

    Science.gov (United States)

    Nagatsuma, Tadao; Horiguchi, Shogo; Minamikata, Yusuke; Yoshimizu, Yasuyuki; Hisatake, Shintaro; Kuwano, Shigeru; Yoshimoto, Naoto; Terada, Jun; Takahashi, Hiroyuki

    2013-10-07

    There has been an increasing interest in the application of terahertz (THz) waves to broadband wireless communications. In particular, use of frequencies above 275 GHz is one of the strong concerns among radio scientists and engineers, because these frequency bands have not yet been allocated at specific active services, and there is a possibility to employ extremely large bandwidths for ultra-broadband wireless communications. Introduction of photonics technologies for signal generation, modulation and detection is effective not only to enhance the bandwidth and/or the data rate, but also to combine fiber-optic (wired) and wireless networks. This paper reviews recent progress in THz wireless communications using telecom-based photonics technologies towards 100 Gbit/s.

  13. Clock comparison based on laser ranging technologies

    Science.gov (United States)

    Samain, Etienne

    2015-06-01

    Recent progress in the domain of time and frequency standards has required some important improvements of existing time transfer links. Several time transfer by laser link (T2L2) projects have been carried out since 1972 with numerous scientific or technological objectives. There are two projects currently under exploitation: T2L2 and Lunar Reconnaissance Orbiter (LRO). The former is a dedicated two-way time transfer experiment embedded on the satellite Jason-2 allowing for the synchronization of remote clocks with an uncertainty of 100 ps and the latter is a one-way link devoted for ranging a spacecraft orbiting around the Moon. There is also the Laser Time Transfer (LTT) project, exploited until 2012 and designed in the frame of the Chinese navigation constellation. In the context of future space missions for fundamental physics, solar system science or navigation, laser links are of prime importance and many missions based on that technology have been proposed for these purposes.

  14. Spatial Information Processing: Standards-Based Open Source Visualization Technology

    Science.gov (United States)

    Hogan, P.

    2009-12-01

    elements. World Wind therefore changed its mission from providing a single information browser to enabling a whole class of 3D geographic applications. Instead of creating a single program, World Wind is a suite of components that can be selectively used in any number of programs. World Wind technology can be a part of any application, or it can be a window in a web page. Or it can be extended with additional functionalities by application and web developers. World Wind makes it possible to include virtual globe visualization and server technology in support of any objective. The world community can continually benefit from advances made in the technology by NASA in concert with the world community. 3. OPEN SOURCE AND OPEN STANDARDS NASA World Wind is NASA Open Source software. This means that the source code is fully accessible for anyone to freely use, even in association with proprietary technology. Imagery and other data provided by the World Wind servers reside in the public domain, including the data server technology itself. This allows others to deliver their own geospatial data and to provide custom solutions based on users specific needs.

  15. Solution structures of nanoassemblies based on pyrogallol[4]arenes.

    Science.gov (United States)

    Kumari, Harshita; Deakyne, Carol A; Atwood, Jerry L

    2014-10-21

    Nanoassemblies of hydrogen-bonded and metal-seamed pyrogallol[4]arenes have been shown to possess novel solution-phase geometries. Further, we have demonstrated that both guest encapsulation and structural rearrangements may be studied by solution-phase techniques such as small-angle neutron scattering (SANS) and diffusion NMR. Application of these techniques to pyrogallol[4]arene-based nanoassemblies has allowed (1) differentiation among spherical, ellipsoidal, toroidal, and tubular structures in solution, (2) determination of factors that control the preferred geometrical shape and size of the nanoassemblies, and (3) detection of small variations in metric dimensions distinguishing similarly and differently shaped nanoassemblies in a given solution. Indeed, we have shown that the solution-phase structure of such nanoassemblies is often quite different from what one would predict based on solid-state studies, a result in disagreement with the frequently made assumption that these assemblies have similar structures in the two phases. We instead have predicted solid-state architectures from solution-phase structures by combining the solution-phase analysis with solid-state magnetic and elemental analyses. Specifically, the iron-seamed C-methylpyrogallol[4]arene nanoassembly was found to be tubular in solution and predicted to be tubular in the solid state, but it was found to undergo a rearrangement from a tubular to spherical geometry in solution as a function of base concentration. The absence of metal within a tubular framework affects its stability in both solution and the solid state; however, this instability is not necessarily characteristic of hydrogen-bonded capsular entities. Even metal seaming of the capsules does not guarantee similar solid-state and solution-phase architectures. The rugby ball-shaped gallium-seamed C-butylpyrogallol[4]arene hexamer becomes toroidal on dissolution, as does the spherically shaped gallium/zinc-seamed C-butylpyrogallol[4

  16. A cross-platform solution for light field based 3D telemedicine.

    Science.gov (United States)

    Wang, Gengkun; Xiang, Wei; Pickering, Mark

    2016-03-01

    Current telehealth services are dominated by conventional 2D video conferencing systems, which are limited in their capabilities in providing a satisfactory communication experience due to the lack of realism. The "immersiveness" provided by 3D technologies has the potential to promote telehealth services to a wider range of applications. However, conventional stereoscopic 3D technologies are deficient in many aspects, including low resolution and the requirement for complicated multi-camera setup and calibration, and special glasses. The advent of light field (LF) photography enables us to record light rays in a single shot and provide glasses-free 3D display with continuous motion parallax in a wide viewing zone, which is ideally suited for 3D telehealth applications. As far as our literature review suggests, there have been no reports of 3D telemedicine systems using LF technology. In this paper, we propose a cross-platform solution for a LF-based 3D telemedicine system. Firstly, a novel system architecture based on LF technology is established, which is able to capture the LF of a patient, and provide an immersive 3D display at the doctor site. For 3D modeling, we further propose an algorithm which is able to convert the captured LF to a 3D model with a high level of detail. For the software implementation on different platforms (i.e., desktop, web-based and mobile phone platforms), a cross-platform solution is proposed. Demo applications have been developed for 2D/3D video conferencing, 3D model display and edit, blood pressure and heart rate monitoring, and patient data viewing functions. The demo software can be extended to multi-discipline telehealth applications, such as tele-dentistry, tele-wound and tele-psychiatry. The proposed 3D telemedicine solution has the potential to revolutionize next-generation telemedicine technologies by providing a high quality immersive tele-consultation experience.

  17. Threshold evaluations of industrial conservation technologies run in ISTUM base case

    Energy Technology Data Exchange (ETDEWEB)

    1978-12-20

    The results of threshold evaluations performed on several INDUS technologies which were competed with other new and conventional industrial technologies in the Industrial Sector Technology Use Model (ISTUM) developed by EEA are summarized. The ISTUM model is briefly described and includes the input technology categories and service sectors treated in the model, and the solution technique used. The input data specifications are summaried for the Industry Conservation Technologies run in the ISTUM base case. Included are listings of the technologies run in ISTUM, those not run in ISTUM, and a discussion of the absence of a retrofit algorithm in ISTUM and its resulting impact on conservation technologies. Also included is a discussion of the capital cost variability, maximum market fraction, size and load factors and data quality specifications for the conservation technologies in ISTUM. The results of the ISTUM base case run are presented, describing the important limitations and constraints of the base case run, the key assumptions inherent in the base case, and the summarized results of energy savings by year for different generic technology types. The technology characterization data developed for each INDUS technology run in the ISTUM base case are discussed in detail. The descriptions include the calculations and assumptions used in determining the service demand displacement, equipment cost, maximum market fraction, data quality, and size and load range for each technology.

  18. Characterisation of Nature-Based Solutions for the Built Environment

    Directory of Open Access Journals (Sweden)

    Yangang Xing

    2017-01-01

    Full Text Available Nature has provided humankind with food, fuel, and shelter throughout evolutionary history. However, in contemporary cities, many natural landscapes have become degraded and replaced with impermeable hard surfaces (e.g., roads, paving, car parks and buildings. The reversal of this trend is dynamic, complex and still in its infancy. There are many facets of urban greening initiatives involving multiple benefits, sensitivities and limitations. The aim of this paper is to develop a characterisation method of nature based solutions for designing and retrofitting in the built environment, and to facilitate knowledge transfer between disciplines and for design optimisation. Based on a review of the literature across disciplines, key characteristics could be organised into four groups: policy and community initiatives, multiple benefits assessment, topology, and design options. Challenges and opportunities for developing a characterisation framework to improve the use of nature based solutions in the built environment are discussed.

  19. Soft-robotic arm inspired by the octopus: II. From artificial requirements to innovative technological solutions.

    Science.gov (United States)

    Mazzolai, B; Margheri, L; Cianchetti, M; Dario, P; Laschi, C

    2012-06-01

    Soft robotics is a current focus in robotics research because of the expected capability of soft robots to better interact with real-world environments. As a point of inspiration in the development of innovative technologies in soft robotics, octopuses are particularly interesting 'animal models'. Octopus arms have unique biomechanical capabilities that combine significant pliability with the ability to exert a great deal of force, because they lack rigid structures but can change and control their degree of stiffness. The octopus arm motor capability is a result of the peculiar arrangement of its muscles and the properties of its tissues. These special abilities have been investigated by the authors in a specific study dedicated to identifying the key principles underlying these biological functions and deriving engineering requirements for robotics solutions. This paper, which is the second in a two-part series, presents how the identified requirements can be used to create innovative technological solutions, such as soft materials, mechanisms and actuators. Experiments indicate the ability of these proposed solutions to ensure the same performance as in the biological model in terms of compliance, elongation and force. These results represent useful and relevant components of innovative soft-robotic systems and suggest their potential use to create a new generation of highly dexterous, soft-bodied robots.

  20. SCORM: A Solution for ICT-Based LMS Performance Enhancement

    OpenAIRE

    Boby Antony; Dr. J. Meena kumari

    2015-01-01

    Transformation has been happening in every field with the help of Information and Communication Technology (ICT). ICT is revolutionizing every aspect of an education sector in this digital era. To enhance the sustainability of higher education it is very much required to integrate ICT-based tools. This study analyses the key features of ICT-based Learning Management Systems (LMS) so as to enhance the efficiency of teaching-learning process in higher education. This paper also proposes a SCORM...

  1. Separators - Technology review: Ceramic based separators for secondary batteries

    Science.gov (United States)

    Nestler, Tina; Schmid, Robert; Münchgesang, Wolfram; Bazhenov, Vasilii; Schilm, Jochen; Leisegang, Tilmann; Meyer, Dirk C.

    2014-06-01

    Besides a continuous increase of the worldwide use of electricity, the electric energy storage technology market is a growing sector. At the latest since the German energy transition ("Energiewende") was announced, technological solutions for the storage of renewable energy have been intensively studied. Storage technologies in various forms are commercially available. A widespread technology is the electrochemical cell. Here the cost per kWh, e. g. determined by energy density, production process and cycle life, is of main interest. Commonly, an electrochemical cell consists of an anode and a cathode that are separated by an ion permeable or ion conductive membrane - the separator - as one of the main components. Many applications use polymeric separators whose pores are filled with liquid electrolyte, providing high power densities. However, problems arise from different failure mechanisms during cell operation, which can affect the integrity and functionality of these separators. In the case of excessive heating or mechanical damage, the polymeric separators become an incalculable security risk. Furthermore, the growth of metallic dendrites between the electrodes leads to unwanted short circuits. In order to minimize these risks, temperature stable and non-flammable ceramic particles can be added, forming so-called composite separators. Full ceramic separators, in turn, are currently commercially used only for high-temperature operation systems, due to their comparably low ion conductivity at room temperature. However, as security and lifetime demands increase, these materials turn into focus also for future room temperature applications. Hence, growing research effort is being spent on the improvement of the ion conductivity of these ceramic solid electrolyte materials, acting as separator and electrolyte at the same time. Starting with a short overview of available separator technologies and the separator market, this review focuses on ceramic-based separators

  2. A Solution Based on Bluetooth Low Energy for Smart Home Energy Management

    Directory of Open Access Journals (Sweden)

    Mario Collotta

    2015-10-01

    Full Text Available The research and the implementation of home automation are getting more popular because the Internet of Things holds promise for making homes smarter through wireless technologies. The installation of systems based on wireless networks can play a key role also in the extension of the smart grid towards smart homes, that can be deemed as one of the most important components of smart grids. This paper proposes a fuzzy-based solution for smart energy management in a home automation wireless network. The approach, by using Bluetooth Low Energy (BLE, introduces a Fuzzy Logic Controller (FLC in order to improve a Home Energy Management (HEM scheme, addressing the power load of standby appliances and their loads in different hours of the day. Since the consumer is involved in the choice of switching on/off of home appliances, the approach introduced in this work proposes a fuzzy-based solution in order to manage the consumer feedbacks. Simulation results show that the proposed solution is efficient in terms of reducing peak load demand, electricity consumption charges with an increase comfort level of consumers. The performance of the proposed BLE-based wireless network scenario are validated in terms of packet delivery ratio, delay, and jitter and are compared to IEEE 802.15.4 technology.

  3. Category Theory Approach to Solution Searching Based on Photoexcitation Transfer Dynamics

    Directory of Open Access Journals (Sweden)

    Makoto Naruse

    2017-07-01

    Full Text Available Solution searching that accompanies combinatorial explosion is one of the most important issues in the age of artificial intelligence. Natural intelligence, which exploits natural processes for intelligent functions, is expected to help resolve or alleviate the difficulties of conventional computing paradigms and technologies. In fact, we have shown that a single-celled organism such as an amoeba can solve constraint satisfaction problems and related optimization problems as well as demonstrate experimental systems based on non-organic systems such as optical energy transfer involving near-field interactions. However, the fundamental mechanisms and limitations behind solution searching based on natural processes have not yet been understood. Herein, we present a theoretical background of solution searching based on optical excitation transfer from a category-theoretic standpoint. One important indication inspired by the category theory is that the satisfaction of short exact sequences is critical for an adequate computational operation that determines the flow of time for the system and is termed as “short-exact-sequence-based time.” In addition, the octahedral and braid structures known in triangulated categories provide a clear understanding of the underlying mechanisms, including a quantitative indication of the difficulties of obtaining solutions based on homology dimension. This study contributes to providing a fundamental background of natural intelligence.

  4. Reuse-based software production technology

    Institute of Scientific and Technical Information of China (English)

    2001-01-01

    Software reuse is viewed as a key technology to improve software product quality and productivity. This paper discusses a series of technologies related with software reuse and software component technology: component model, which describes component's essential characteristics; component acquisition technology, of which domain engineering is the main approach; component management technology, of which component library is the kernel; application integration and composition technology, of which application engineering is the main approach; software evolution technology, of which software reengineering is the main approach, etc. This paper introduces the software development environment: JadeBird Software Production Line System, which effectively integrates the above-mentioned technologies.

  5. Fuel cell vehicles: technological solution; La pila de combustible en los vehiculos automoviles: un reto tecnologico

    Energy Technology Data Exchange (ETDEWEB)

    Lopez Martinez, J. M.

    2004-07-01

    Recently it takes a serious look at fuel cell vehicles, a leading candidate for next-generation vehicle propulsion systems. The green house effect and air quality are pressing to the designers of internal combustion engine vehicles, owing to the manufacturers to find out technological solutions in order to increase the efficiency and reduce emissions from the vehicles. On the other hand, energy source used by currently propulsion systems is not renewable, the well are limited and produce CO{sub 2} as a product from the combustion process. In that situation, why fuel cell is an alternative of internal combustion engine?.

  6. The regeneration and recycle of chromium etching solutions using concentrator cell membrane technology.

    Science.gov (United States)

    Chaudhary, Abdul J; Ganguli, Bijita; Grimes, Susan M

    2006-02-01

    The regeneration of chromium (VI) and the recovery of etched copper from chromium etching solutions by electrodialysis is improved by the addition of a concentrator cell in the catholyte chamber. The concentrator media used are ion-exchange resins or activated carbon cloth. The maximum percentages for the regeneration of chromium and recovery of copper in these systems is however less than 80% and 90% respectively because of the competition between the processes of oxidation of Cr(III) and electrodeposition of copper. A novel combination of electrolysis with electrodialysis and concentrator cell technology is developed that achieves 92% chromium regeneration and 90% copper recovery.

  7. Embedded Systems and TensorFlow Frameworks as Assistive Technology Solutions.

    Science.gov (United States)

    Mulfari, Davide; Palla, Alessandro; Fanucci, Luca

    2017-01-01

    In the field of deep learning, this paper presents the design of a wearable computer vision system for visually impaired users. The Assistive Technology solution exploits a powerful single board computer and smart glasses with a camera in order to allow its user to explore the objects within his surrounding environment, while it employs Google TensorFlow machine learning framework in order to real time classify the acquired stills. Therefore the proposed aid can increase the awareness of the explored environment and it interacts with its user by means of audio messages.

  8. An Integrated Water Treatment Technology Solution for Sustainable Water Resource Management in the Marcellus Shale

    Energy Technology Data Exchange (ETDEWEB)

    Matthew Bruff; Ned Godshall; Karen Evans

    2011-04-30

    This Final Scientific/ Technical Report submitted with respect to Project DE-FE0000833 titled 'An Integrated Water Treatment Technology Solution for Sustainable Water Resource Management in the Marcellus Shale' in support of final reporting requirements. This final report contains a compilation of previous reports with the most current data in order to produce one final complete document. The goal of this research was to provide an integrated approach aimed at addressing the increasing water resource challenges between natural gas production and other water stakeholders in shale gas basins. The objective was to demonstrate that the AltelaRain{reg_sign} technology could be successfully deployed in the Marcellus Shale Basin to treat frac flow-back water. That objective has been successfully met.

  9. Research on Dam Perspective Based on Numerical Solution

    Institute of Scientific and Technical Information of China (English)

    WANGZi-ru; ZHOUHui-cheng; LIMing-qiu

    2005-01-01

    The numerical solution of dam toe line is solved based on the dam data and topographic map of dam located. The display of dam perspective is also realized by programming of using VC++ and OpenGL. The research results above provide the foundation of construction design, construction lofting and information inquiry, which avoids the drawbacks of only using blueprints to do the same work in the past. The method used is useful in practical engineering.

  10. Hybrid Fundamental Solution Based Finite Element Method: Theory and Applications

    OpenAIRE

    Changyong Cao; Qing-Hua Qin

    2015-01-01

    An overview on the development of hybrid fundamental solution based finite element method (HFS-FEM) and its application in engineering problems is presented in this paper. The framework and formulations of HFS-FEM for potential problem, plane elasticity, three-dimensional elasticity, thermoelasticity, anisotropic elasticity, and plane piezoelectricity are presented. In this method, two independent assumed fields (intraelement filed and auxiliary frame field) are employed. The formulations for...

  11. Comparison of Ring-Buffer-Based Packet Capture Solutions

    Energy Technology Data Exchange (ETDEWEB)

    Barker, Steven Andrew [Sandia National Lab. (SNL-CA), Livermore, CA (United States)

    2015-10-01

    Traditional packet-capture solutions using commodity hardware incur a large amount of overhead as packets are copied multiple times by the operating system. This overhead slows sensor systems to a point where they are unable to keep up with high bandwidth traffic, resulting in dropped packets. Incomplete packet capture files hinder network monitoring and incident response efforts. While costly commercial hardware exists to capture high bandwidth traffic, several software-based approaches exist to improve packet capture performance using commodity hardware.

  12. A Technology-based Model for Learning

    Directory of Open Access Journals (Sweden)

    Michael Williams

    2004-12-01

    Full Text Available The Math Emporium, opened in 1997, is an open 7000-squaremeter facility with 550+ workstations arranged in an array of widely spaced hexagonal "pods", designed to support group work at the same time maintaining an academic air. We operate it 24/7 with math support personnel in attendance 12 hours per day. Students have access to online course resources at all times, from anywhere. We have used this unique asset to transform traditional classroom-based courses into technology based learning programs that have no class meetings at all. The structure of the program is very different from the conventional one, having a new set of expectations and motivations. The results include: more effective students, substantial cost savings, economies of scale and scope and a stream-lined process for creating new on-line courses.

  13. Solution-based targeted genomic enrichment for precious DNA samples

    Directory of Open Access Journals (Sweden)

    Shearer Aiden

    2012-05-01

    Full Text Available Abstract Background Solution-based targeted genomic enrichment (TGE protocols permit selective sequencing of genomic regions of interest on a massively parallel scale. These protocols could be improved by: 1 modifying or eliminating time consuming steps; 2 increasing yield to reduce input DNA and excessive PCR cycling; and 3 enhancing reproducible. Results We developed a solution-based TGE method for downstream Illumina sequencing in a non-automated workflow, adding standard Illumina barcode indexes during the post-hybridization amplification to allow for sample pooling prior to sequencing. The method utilizes Agilent SureSelect baits, primers and hybridization reagents for the capture, off-the-shelf reagents for the library preparation steps, and adaptor oligonucleotides for Illumina paired-end sequencing purchased directly from an oligonucleotide manufacturing company. Conclusions This solution-based TGE method for Illumina sequencing is optimized for small- or medium-sized laboratories and addresses the weaknesses of standard protocols by reducing the amount of input DNA required, increasing capture yield, optimizing efficiency, and improving reproducibility.

  14. The Relationship between Environmental Turbulence, Management Support, Organizational Collaboration, Information Technology Solution Realization, and Process Performance, in Healthcare Provider Organizations

    Science.gov (United States)

    Muglia, Victor O.

    2010-01-01

    The Problem: The purpose of this study was to investigate relationships between environmental turbulence, management support, organizational collaboration, information technology solution realization, and process performance in healthcare provider organizations. Method: A descriptive/correlational study of Hospital medical services process…

  15. Hybrid fundamental-solution-based FEM for piezoelectric materials

    Science.gov (United States)

    Cao, Changyong; Qin, Qing-Hua; Yu, Aibing

    2012-10-01

    In this paper, a new type of hybrid finite element method (FEM), hybrid fundamental-solution-based FEM (HFS-FEM), is developed for analyzing plane piezoelectric problems by employing fundamental solutions (Green's functions) as internal interpolation functions. A modified variational functional used in the proposed model is first constructed, and then the assumed intra-element displacement fields satisfying a priori the governing equations of the problem are constructed by using a linear combination of fundamental solutions at a number of source points located outside the element domain. To ensure continuity of fields over inter-element boundaries, conventional shape functions are employed to construct the independent element frame displacement fields defined over the element boundary. The proposed methodology is assessed by several examples with different boundary conditions and is also used to investigate the phenomenon of stress concentration in infinite piezoelectric medium containing a hole under remote loading. The numerical results show that the proposed algorithm has good performance in numerical accuracy and mesh distortion insensitivity compared with analytical solutions and those from ABAQUS. In addition, some new insights on the stress concentration have been clarified and presented in the paper.

  16. Solution Based Deposition of Polyimide Ablators for NIF Capsules

    Energy Technology Data Exchange (ETDEWEB)

    Cook, R

    2002-07-11

    Between June 1997 and March 2002 Luxel Corporation was contracted to explore the possibility of preparing NIF scale capsules with polyimide ablators using solution-based techniques. This work offered a potential alternative to a vapor deposition approach talking place at LLNL. The motivation for pursuing the solution-based approach was primarily two-fold. First, it was expected that much higher strength capsules (relative to vapor deposition) could be prepared since the solution precursors were known to produce high strength films. Second, in applying the ablator as a fluid it was expected that surface tension effects would lead to very smooth surfaces. These potential advantages were offset by expected difficulties, primary among them that the capsules would need to be levitated in some fashion (for example acoustically) during coating and processing, and that application of the coating uniformly to thicknesses of 150 pm on levitated capsules would be difficult. Because of the expected problems with the coupling of levitation and coating, most of the initial effort was to develop coating and processing techniques on stalk-mounted capsules. The program had some success. Using atomizer spray techniques in which application of {approx}5 {micro}m fluid coatings were alternated with heating to remove solvent resulted in up to 70 {micro}m thick coatings that were reasonably smooth at short wavelengths, and showed only about a 1 {micro}m thickness variation over long wavelengths. More controlled deposition with an inkjet devise was also developed. However difficult technical problems remained, and these problems coupled with the relative success of the vapor deposition approach led to the termination of the solution-based work in 2002. What follows is a compilation of the progress reports submitted by Luxel for this work which spanned a number of separate contracts. The reports are arranged chronologically, the last report in the collection has a modest summary of what

  17. Framework for city planning including nature-based solutions (NBS)

    Science.gov (United States)

    Alkan Olsson, Johanna; Sörensen, Johanna; Persson, Anna

    2017-04-01

    A common strategy to lower the demand for intense land use and energy consumption is the densification of urban areas. While this might be a fruitful strategy for its main objectives, one concern is that space for green areas and surface water will be decreased. Therefore, densification increases the need of strategies to develop and increase the quality of nature-based solutions (NBS) in urban areas. Smarter city planning strategies are needed, both for maintenance of existing NBS and for implementation of NBS in new developments. City planning must be based on well-evaluated solutions, which in turn must be based on a decent data material for each city. Today there is however several type of difficulties related to adequate provision of data to ensure a better implementation of NBS. The challenges arise from issues such as lack of information about for example costs of maintenance of existing NBS, citizens' perceptions and preferred use of NBS to difficulties of a more technical character such as the format of available GIS information. This study focuses on this information gap regarding NBS that persists in most cities today. The project aims to develop a framework that can help city planners to overcome the gaps and facilitate the inclusion of high quality nature-based solutions where developed or maintained. The framework, which is detailed by identifying information gaps through a literature review and selected interviews with urban planners and experts in the area of NBS, is based on the idea that well-structured and user-friendly data supporting city-planning strategies are essential to facilitate the implementation of NBS. What can be understood as well structured and user-friendly data depends on the goals and needs expressed in the strategic plans, which mean that there is a need for a close interaction between the development data and the strategic political goals expressed in the plans.

  18. Negotiating Content with Learners Using Technology Enhanced Teaching and Learning Solutions

    Directory of Open Access Journals (Sweden)

    Richard Smith

    2011-09-01

    Full Text Available This paper examines issues around learning ‘content’ and its place in the new digital learning culture. We focus on the increasing demands of digital learners for content that is relevant and the challenges this poses if educators are to stay relevant to them. We say ‘relevance’ is best achieved when content is negotiated with learners in collaboration with instructors. We describe strategies in which technology enhanced teaching and learning solutions have enabled learners to negotiate and create digitised learning content that is educationally, culturally and socially relevant. We cite two case studies that exemplify this approach: a trial of negotiated content with primary school aged digital learners at Brisbane School of Distance Education (BSDE, Australia, and the content decision-making processes used for the development of e-learning courses for hearing health professionals and Auditory-Verbal Therapy at Hear and Say WorldWide Brisbane, Australia. We focus on the changing demands and skill sets of digital learners, their learning managers and subject matter experts, and the use of technology enhanced teaching and learning solutions as the negotiating tool in the development of digital content that is academically rigorous and also learner friendly.

  19. COMPLEX ANALYSIS IN THE RIVER BASIN OF TOPLIŢA AND TECHNOLOGICAL SOLUTIONS FOR SLOPES STABILIZATION

    Directory of Open Access Journals (Sweden)

    Dănuţ Tanislav

    2010-01-01

    Full Text Available Landslides distribution is differentiated function of various causal factors or conditions (litology, declivity, land use,precipitations. For each factor, it can be depicted some homogeneous areas, with numerical coefficients, in a incresingsuccession (1 – very high; … 5 – very low, using the GIS. The complex arrangement involves the analysis and diagnosisof watershed planning, establishing its vulnerability to the action of natural and anthropogenic factors. New technologiesfor earth reinforcement with other engineering works to stabilize the slopes, are durable works because the chemicalproperties of high density polyethylene, which does not react with any other environmental component (ex. earth geogridreinforcement. New technologies for earth reinforcement executed in complex with other engineering works to stabilizethe slopes, are durable works because the chemical properties of high density polyethylene, which does not react withany other environmental component. Using special technology to stabilize determined substantial time and cost savingscompared to traditional solutions. The landscape of slopes reinforced with geogrids, due to external quality topsoil isclearly superior to the classical solutions of stabilization.

  20. Efficiency Compare of Both Sonochemical and Photosonochemical Technologies for Cyanide Removal fromAqueous Solutions

    Directory of Open Access Journals (Sweden)

    Z Bonyadi

    2010-07-01

    Full Text Available "n "nBackgrounds and Objectives: Cyanide is a species of high toxicity that found mostly in industrial effluents such as electroplating, metal mining, metallurgy and metal cleaning processes. Intrance of it to Existence enviroment contains very health hazardous. Purpose of this study, efficiency compare of both sonochemical and photosonochemical technologies for cyanide removal from aqueous solutions."nMaterials and Methods: in this study, it has been used from a productive set of 500w power ultresound waves in of two frequencies 35 kHz and 130 kHz and a 125 W low pressure mercury lamp. Experiments were performed at initial cyanide concentrations varying from 2.5 to 75 mg/L. in this study, The effects of parameters such as pH, time and initial cyanide concentration on the sonochemical and photosonic degradation have been studied."nResults:The results of the study showed that the maximom removal efficiency of cyanide had been achieved sonochemical technology was 71% while it was 74% by photosonic at frequency of 130 kHz, at time of 90 min, pH of 11 and initial cyanide concentration of 2.5 mg/l."nConclusion: The results of the study showed that efficiency of photosonic process is more than for sonochemical cyanide removal fromaqueous solutions.Also efficiency of cyanide removal has direct relationship with pH, frequeny and time ,and it has reverse relationship with cyanide concentration for both processes.

  1. Supply Chain-based Solution to Prevent Fuel Tax Evasion

    Energy Technology Data Exchange (ETDEWEB)

    Franzese, Oscar [ORNL; Capps, Gary J [ORNL; Daugherty, Michael [United States Department of Transportation (USDOT), Federal Highway Administration (FHWA); Siekmann, Adam [ORNL; Lascurain, Mary Beth [ORNL; Barker, Alan M [ORNL

    2016-01-01

    The primary source of funding for the United States transportation system is derived from motor fuel and other highway use taxes. Loss of revenue attributed to fuel-tax evasion has been assessed to be somewhere between $1 billion per year, or approximately 25% of the total tax collected. Any solution that addresses this problem needs to include not only the tax-collection agencies and auditors, but also the carriers transporting oil products and the carriers customers. This paper presents a system developed by the Oak Ridge National Laboratory for the Federal Highway Administration which has the potential to reduce or eliminate many fuel-tax evasion schemes. The solution balances the needs of tax-auditors and those of the fuel-hauling companies and their customers. The technology was deployed and successfully tested during an eight-month period on a real-world fuel-hauling fleet. Day-to-day operations of the fleet were minimally affected by their interaction with this system. The results of that test are discussed in this paper.

  2. Cell-based technologies for Huntington's disease

    Directory of Open Access Journals (Sweden)

    Mônica Santoro Haddad

    Full Text Available ABSTRACT Huntington's disease (HD is a fatal genetic disorder, which causes the progressive breakdown of neurons in the human brain. HD deteriorates human physical and mental abilities over time and has no cure. Stem cell-based technologies are promising novel treatments, and in HD, they aim to replace lost neurons and/or to prevent neural cell death. Herein we discuss the use of human fetal tissue (hFT, neural stem cells (NSCs of hFT origin or embryonic stem cells (ESCs and induced pluripotent stem cells (IPSCs, in clinical and pre-clinical studies. The in vivo use of mesenchymal stem cells (MSCs, which are derived from non-neural tissues, will also be discussed. All these studies prove the potential of stem cells for transplantation therapy in HD, demonstrating cell grafting and the ability to differentiate into mature neurons, resulting in behavioral improvements. We claim that there are still many problems to overcome before these technologies become available for HD patient treatment, such as: a safety regarding the use of NSCs and pluripotent stem cells, which are potentially teratogenic; b safety regarding the transplantation procedure itself, which represents a risk and needs to be better studied; and finally c technical and ethical issues regarding cells of fetal and embryonic origin.

  3. Problems and Solutions of Chinese Agricultural Science and Technology Service System

    Institute of Scientific and Technical Information of China (English)

    Doudou ZHANG; Pengling LIU

    2012-01-01

    Abstract Problems in agricultural science and technology service system were ana- lyzed, such as system problem, investment and worker quality, and based on this countermeasures were proposed, so as to promote the development of modern agri- culture and construction of new countryside.

  4. Hybrid Fundamental Solution Based Finite Element Method: Theory and Applications

    Directory of Open Access Journals (Sweden)

    Changyong Cao

    2015-01-01

    Full Text Available An overview on the development of hybrid fundamental solution based finite element method (HFS-FEM and its application in engineering problems is presented in this paper. The framework and formulations of HFS-FEM for potential problem, plane elasticity, three-dimensional elasticity, thermoelasticity, anisotropic elasticity, and plane piezoelectricity are presented. In this method, two independent assumed fields (intraelement filed and auxiliary frame field are employed. The formulations for all cases are derived from the modified variational functionals and the fundamental solutions to a given problem. Generation of elemental stiffness equations from the modified variational principle is also described. Typical numerical examples are given to demonstrate the validity and performance of the HFS-FEM. Finally, a brief summary of the approach is provided and future trends in this field are identified.

  5. Theromdynamics of carbon in nickel-based multicomponent solid solutions

    Energy Technology Data Exchange (ETDEWEB)

    Bradley, D. J.

    1978-04-01

    The activity coefficient of carbon in nickel, nickel-titanium, nickel-titanium-chromium, nickel-titanium-molybdenum and nickel-titanium-molybdenum-chromium alloys has been measured at 900, 1100 and 1215/sup 0/C. The results indicate that carbon obeys Henry's Law over the range studied (0 to 2 at. percent). The literature for the nickel-carbon and iron-carbon systems are reviewed and corrected. For the activity of carbon in iron as a function of composition, a new relationship based on re-evaluation of the thermodynamics of the CO/CO/sub 2/ equilibrium is proposed. Calculations using this relationship reproduce the data to within 2.5 percent, but the accuracy of the calibrating standards used by many investigators to analyze for carbon is at best 5 percent. This explains the lack of agreement between the many precise sets of data. The values of the activity coefficient of carbon in the various solid solutions are used to calculate a set of parameters for the Kohler-Kaufman equation. The calculations indicate that binary interaction energies are not sufficient to describe the thermodynamics of carbon in some of the nickel-based solid solutions. The results of previous workers for carbon in nickel-iron alloys are completely described by inclusion of ternary terms in the Kohler-Kaufman equation. Most of the carbon solid solution at high temperatures in nickel and nickel-titantium alloys precipitates from solution on quenching in water. The precipitate is composed of very small particles (greater than 2.5 nm) of elemental carbon. The results of some preliminary thermomigration experiments are discussed and recommendations for further work are presented.

  6. Metamaterials and Metamaterial-Based Antenna Technology

    Institute of Scientific and Technical Information of China (English)

    CHEN Zhi-ning

    2014-01-01

    The study of metamaterials is among the most important and attractive topics of the electromagnetic field theory and applications in the past 15 years. Much effort has been devoted to scientific research into the new physical phenomena with great progress. This paper presents the thoughts about the applications of metamaterials in innovative antenna designs from an engineering perspective. The new understanding of metamaterials offers us great possibility to translate the physical concepts of metamaterials in laborato-ries to innovative antenna designs in practical engineering applications. The technologies have been successfully developed, significantly improving key performances of antennas at microwave and millimeter-wave bands. The recently invented metamaterial-based antennas demonstrate not only wide operating bandwidth, high antenna efficiency, high gain, but also significantly reduced volume with simple mechanical structures.

  7. Overview of Probe-based Storage Technologies

    Science.gov (United States)

    Wang, Lei; Yang, Ci Hui; Wen, Jing; Gong, Si Di; Peng, Yuan Xiu

    2016-07-01

    The current world is in the age of big data where the total amount of global digital data is growing up at an incredible rate. This indeed necessitates a drastic enhancement on the capacity of conventional data storage devices that are, however, suffering from their respective physical drawbacks. Under this circumstance, it is essential to aggressively explore and develop alternative promising mass storage devices, leading to the presence of probe-based storage devices. In this paper, the physical principles and the current status of several different probe storage devices, including thermo-mechanical probe memory, magnetic probe memory, ferroelectric probe memory, and phase-change probe memory, are reviewed in details, as well as their respective merits and weakness. This paper provides an overview of the emerging probe memories potentially for next generation storage device so as to motivate the exploration of more innovative technologies to push forward the development of the probe storage devices.

  8. ELECTRIC FIELD SENSORS BASED ON MEMS TECHNOLOGY

    Institute of Scientific and Technical Information of China (English)

    Gong Chao; Xia Shanhong; Deng Kai; Bai Qiang; Chen Shaofeng

    2005-01-01

    The design and optimization of two types of novel miniature vibrating Electric Field Sensors (EFSs) based on Micro Electro Mechanical Systems (MEMS) technology are presented.They have different structures and vibrating modes. The volume is much smaller than other types of charge-induced EFSs such as field-mills. As miniaturizing, the induced signal is reduced enormously and a high sensitive circuit is needed to detect it. Elaborately designed electrodes can increase the amplitude of the output current, making the detecting circuit simplified and improving the signal-to-noise ratio. Computer simulations for different structural parameters of the EFSs and vibrating methods have been carried out by Finite Element Method (FEM). It is proved that the new structures are realizable and the output signals are detectable.

  9. Engineering Technology Reports, Volume 2: Technology Base FY00

    Energy Technology Data Exchange (ETDEWEB)

    Baron, A L; Langland, R T; Minichino, C

    2001-10-03

    In FY-2000, Engineering at Lawrence Livermore National Laboratory faced significant pressures to meet critical project milestones, and immediate demands to facilitate the reassignment of employees as the National Ignition Facility (the 600-TW laser facility being designed and built at Livermore, and one of the largest R&D construction projects in the world) was in the process of re-baselining its plan while executing full-speed its technology development efforts. This drive for change occurred as an unprecedented level of management and program changes were occurring within LLNL. I am pleased to report that we met many key milestones and achieved numerous technological breakthroughs. This report summarizes our efforts to perform feasibility and reduce-to-practice studies, demonstrations, and/or techniques--as structured through our technology centers. Whether using computational engineering to predict how giant structures like suspension bridges will respond to massive earthquakes or devising a suitcase-sized microtool to detect chemical and biological agents used by terrorists, we have made solid technical progress. Five Centers focus and guide longer-term investments within Engineering, as well as impact all of LLNL. Each Center is responsible for the vitality and growth of the core technologies it represents. My goal is that each Center will be recognized on an international scale for solving compelling national problems requiring breakthrough innovation. The Centers and their leaders are as follows: Center for Complex Distributed Systems--David B. McCallen; Center for Computational Engineering--Kyran D. Mish; Center for Microtechnology--Raymond P. Mariella, Jr.; Center for Nondestructive Characterization--Harry E. Martz, Jr.; and Center for Precision Engineering--Keith Carlisle.

  10. Solution-Processed Indium Oxide Based Thin-Film Transistors

    Science.gov (United States)

    Xu, Wangying

    Oxide thin-film transistors (TFTs) have attracted considerable attention over the past decade due to their high carrier mobility and excellent uniformity. However, most of these oxide TFTs are usually fabricated using costly vacuum-based techniques. Recently, the solution processes have been developed due to the possibility of low-cost and large-area fabrication. In this thesis, we have carried out a detailed and systematic study of solution-processed oxide thin films and TFTs. At first, we demonstrated a passivation method to overcome the water susceptibility of solution-processed InZnO TFTs by utilizing octadecylphosphonic acid (ODPA) self-assembled monolayers (SAMs). The unpassivated InZnO TFTs exhibited large hysteresis in their electrical characteristics due to the adsorbed water at the semiconductor surface. Formation of a SAM of ODPA on the top of InZnO removed water molecules weakly absorbed at the back channel and prevented water diffusion from the surroundings. Therefore the passivated devices exhibited significantly reduced hysteretic characteristics. Secondly, we developed a simple spin-coating approach for high- k dielectrics (Al2O3, ZrO2, Y 2O3 and TiO2). These materials were used as gate dielectrics for solution-processed In2O3 or InZnO TFTs. Among the high-k dielectrics, the Al2O3-based devices showed the best performance, which is attributed to the smooth dielectric/semiconductor interface and the low interface trap density besides its good insulating property. Thirdly, the formation and properties of Al2O3 thin films under various annealing temperatures were intensively studied, revealing that the sol-gel-derived Al2O3 thin film undergoes the decomposition of organic residuals and nitrate groups, as well as conversion of aluminum hydroxides to form aluminum oxide. Besides, the Al2O 3 film was used as gate dielectric for solution-processed oxide TFTs, resulting in high mobility and low operating voltage. Finally, we proposed a green route for

  11. Mobile technologies in the management of disasters: the results of a telemedicine solution.

    Science.gov (United States)

    Cabrera, M F; Arredondo, M T; Rodriguez, A; Quiroga, J

    2001-01-01

    Nowadays a great number of applications are used to compile and transmit casualties and disasters information but there are many troubles associated with the technology as can be the communications reliability and the size and weight of the devices medical staff has to carry with. Telecommunication infrastructures support information movement among geographically dispersed locations. Recently a large family of little devices has appeared in the buyer's market. They are called Personal Digital Assistants and because of their physic and technical features, they are very useful in the emergency field. As for the communications reliability, many technologies have been developed in the last years but it is necessary to find a solution that can be used in whatever situation independently of the emergency circumstances. Facing this reality, the Spanish government funded REMAF, an ATYCA (Initiative of Support for the Technology, Security and Quality in the Industry) project. REMAF joined research groups (UPM), phone operators (Fundación Airtel Móvil) and end users (SAMUR) to build a disaster data management system conceived to use modern telemedicine systems to optimize the management in these situations, taking the advantage of the above mentioned mobile communication tools and networks.

  12. High-Capacity Hydrogen-Based Green-Energy Storage Solutions For The Grid Balancing

    Science.gov (United States)

    D'Errico, F.; Screnci, A.

    One of the current main challenges in green-power storage and smart grids is the lack of effective solutions for accommodating the unbalance between renewable energy sources, that offer intermittent electricity supply, and a variable electricity demand. Energy management systems have to be foreseen for the near future, while they still represent a major challenge. Integrating intermittent renewable energy sources, by safe and cost-effective energy storage systems based on solid state hydrogen is today achievable thanks to recently some technology breakthroughs. Optimized solid storage method made of magnesium-based hydrides guarantees a very rapid absorption and desorption kinetics. Coupled with electrolyzer technology, high-capacity storage of green-hydrogen is therefore practicable. Besides these aspects, magnesium has been emerging as environmentally friend energy storage method to sustain integration, monitoring and control of large quantity of GWh from high capacity renewable generation in the EU.

  13. Optimization Design System for Composite Structures Based on Grid Technology

    Institute of Scientific and Technical Information of China (English)

    CHENG Wen-yuan; CHANG Yan; CUI De-gang; XIE Xiang-hui

    2007-01-01

    To solve the topology optimization of complicated multi-objective continuous/discrete design variables in aircraft structure design, a Parallel Pareto Genetic Algorithm (PPGA) is presented based on grid platform in this paper. In the algorithm, the commercial finite element analysis (FEA) software is integrated as the calculating tool for analyzing the objective functions and the filter of Pareto solution set based on weight information is introduced to deal with the relationships among all objectives. Grid technology is utilized in PPGA to realize the distributed computations and the user interface is developed to realize the job submission and job management locally/remotely. Taking the aero-elastic tailoring of a composite wing for optimization as an example, a set of Pareto solutions are obtained for the decision-maker. The numerical results show that the aileron reversal problem can be solved by adding the limited skin weight in this system. The algorithm can be used to solve complicated topology optimization for composite structures in engineering and the computation efficiency can be improved greatly by using the grid platform that aggregates numerous idle resources.

  14. Technology-Based Classroom Assessments: Alternatives to Testing

    Science.gov (United States)

    Salend, Spencer J.

    2009-01-01

    Although many teachers are using new technologies to differentiate instruction and administer tests, educators are also employing a range of technology-based resources and strategies to implement a variety of classroom assessments as alternatives to standardized and teacher-made testing. Technology-based classroom assessments focus on the use of…

  15. Technology-Based Classroom Assessments: Alternatives to Testing

    Science.gov (United States)

    Salend, Spencer J.

    2009-01-01

    Although many teachers are using new technologies to differentiate instruction and administer tests, educators are also employing a range of technology-based resources and strategies to implement a variety of classroom assessments as alternatives to standardized and teacher-made testing. Technology-based classroom assessments focus on the use of…

  16. DC Grids for Smart LED-Based Lighting: The EDISON Solution

    Directory of Open Access Journals (Sweden)

    Steffen Thielemans

    2017-09-01

    Full Text Available This paper highlights the benefits and possible drawbacks of a DC-based lighting infrastructure for powering Light Emitting Diode (LED-lamps. It also evaluates the efforts needed for integrating the so called smart lighting and other sensor/actuator based control systems, and compares existing and emerging solutions. It reviews and discusses published work in this field with special focus on the intelligent DC-based infrastructure named EDISON that is primarily dedicated to lighting, but is applicable to building automation in general. The EDISON “PowerLAN” consists of a DC-based infrastructure that offers telecommunication abilities and can be applied to lighting retrofitting scenarios for buildings. Its infrastructure allows simple and efficient powering of DC-oriented devices like LED lamps, sensors and microcontrollers, while offering a wired communication channel. This paper motivates the design choices for organizing DC lighting grids and their associated communication possibilities. It also shows how the EDISON based smart lighting solution is evolving today to include new communication technologies and to further integrate other parts of building management solutions through the OneM2M (Machine to Machine service bus.

  17. Improving the management of chronic diseases using web-based technologies: an application in hemophilia care.

    Science.gov (United States)

    Teixeira, Leonor; Saavedra, Vasco; Ferreira, Carlos; Sousa Santos, Beatriz

    2010-01-01

    Modern methods of information and communication that use web technologies provide an opportunity to facilitate closer communication between patients and healthcare providers, allowing a joint management of chronic diseases. This paper describes a web-based technological solution to support the management of inherited bleeding disorders integrating, diffusing and archiving large sets of data relating to the clinical practice of hemophilia care, more specifically the clinical practice at the Hematology Service of Coimbra Hospital Center (a Hemophilia Treatment Center located in Portugal).

  18. Virtual Screening and Molecular Design Based on Hierarchical Qsar Technology

    Science.gov (United States)

    Kuz'min, Victor E.; Artemenko, A. G.; Muratov, Eugene N.; Polischuk, P. G.; Ognichenko, L. N.; Liahovsky, A. V.; Hromov, A. I.; Varlamova, E. V.

    This chapter is devoted to the hierarchical QSAR technology (HiT QSAR) based on simplex representation of molecular structure (SiRMS) and its application to different QSAR/QSPR tasks. The essence of this technology is a sequential solution (with the use of the information obtained on the previous steps) of the QSAR paradigm by a series of enhanced models based on molecular structure description (in a specific order from 1D to 4D). Actually, it's a system of permanently improved solutions. Different approaches for domain applicability estimation are implemented in HiT QSAR. In the SiRMS approach every molecule is represented as a system of different simplexes (tetratomic fragments with fixed composition, structure, chirality, and symmetry). The level of simplex descriptors detailed increases consecutively from the 1D to 4D representation of the molecular structure. The advantages of the approach presented are an ability to solve QSAR/QSPR tasks for mixtures of compounds, the absence of the "molecular alignment" problem, consideration of different physical-chemical properties of atoms (e.g., charge, lipophilicity), and the high adequacy and good interpretability of obtained models and clear ways for molecular design. The efficiency of HiT QSAR was demonstrated by its comparison with the most popular modern QSAR approaches on two representative examination sets. The examples of successful application of the HiT QSAR for various QSAR/QSPR investigations on the different levels (1D-4D) of the molecular structure description are also highlighted. The reliability of developed QSAR models as the predictive virtual screening tools and their ability to serve as the basis of directed drug design was validated by subsequent synthetic, biological, etc. experiments. The HiT QSAR is realized as the suite of computer programs termed the "HiT QSAR" software that so includes powerful statistical capabilities and a number of useful utilities.

  19. Bio-based lubricants for numerical solution of elastohydrodynamic lubrication

    Science.gov (United States)

    Cupu, Dedi Rosa Putra; Sheriff, Jamaluddin Md; Osman, Kahar

    2012-06-01

    This paper presents a programming code to provide numerical solution of elastohydrodynamic lubrication problem in line contacts which is modeled through an infinite cylinder on a plane to represent the application of roller bearing. In this simulation, vegetable oils will be used as bio-based lubricants. Temperature is assumed to be constant at 40°C. The results show that the EHL pressure for all vegetable oils was increasing from inlet flow until the center, then decrease a bit and rise to the peak pressure. The shapes of EHL film thickness for all tested vegetable oils are almost flat at contact region.

  20. Professional SharePoint 2010 Cloud-Based Solutions

    CERN Document Server

    Fox, Steve; Stubbs, Paul; Follette, Donovan

    2011-01-01

    An authoritative guide to extending SharePoint's power with cloud-based services If you want to be part of the next major shift in the IT industry, you'll want this book. Melding two of the hottest trends in the industry—the widespread popularity of the SharePoint collaboration platform and the rapid rise of cloud computing—this practical guide shows developers how to extend their SharePoint solutions with the cloud's almost limitless capabilities. See how to get started, discover smart ways to leverage cloud data and services through Azure, start incorporating Twitter or LinkedIn

  1. Hydrate-based heavy metal separation from aqueous solution

    Science.gov (United States)

    Song, Yongchen; Dong, Hongsheng; Yang, Lei; Yang, Mingjun; Li, Yanghui; Ling, Zheng; Zhao, Jiafei

    2016-02-01

    A novel hydrate-based method is proposed for separating heavy metal ions from aqueous solution. We report the first batch of experiments and removal characteristics in this paper, the effectiveness and feasibility of which are verified by Raman spectroscopy analysis and cross-experiment. 88.01-90.82% of removal efficiencies for Cr3+, Cu2+, Ni2+, and Zn2+ were obtained. Further study showed that higher R141b-effluent volume ratio contributed to higher enrichment factor and yield of dissociated water, while lower R141b-effluent volume ratio resulted in higher removal efficiency. This study provides insights into low-energy, intensive treatment of wastewater.

  2. Mapping Students Use of Technologies in Problem Based Learning Environments

    DEFF Research Database (Denmark)

    Rongbutsri, Nikorn; Khalid, Md. Saifuddin; Ryberg, Thomas

    2011-01-01

    This paper aims to understand how students use technology to enhance their learning in problem-based learning environments. The research methodology is based on both qualitative and quantitative studies. The results are based on students’ interviews, a survey and students’ reflections in course......-related blog posts; they show that students have positive perceptions toward using technologies in problem-based learning environments....

  3. [Degradation of 4-chlorophenol in aqueous solution by high-voltage pulsed discharge-ozone technology].

    Science.gov (United States)

    Wen, Yuezhong; Jiang, Xuanzhen; Liu, Weiping

    2002-03-01

    The combination of high voltage pulse discharge and ozonation as an advanced oxidation technology was used to investigate the degradation of 4-chlorophenol (4-CP) in water. The factors that affect the rate of degradation were discussed. The 1.95 x 10(-3) mol/L solutions of 4-CP were almost completely (96%) degraded after the discharge treatment of 30 min. The degradation of 4-CP was investigated as a function of the ozone concentration, radical scavenger and electrode distance. The rate of 4-CP degradation increases with an increase in ozone concentration and a decrease in the electrode distance from 20 mm to 10 mm. The presence of radical scavenger decreased the rate of 4-CP degradation.

  4. TREATMENT OF CYANIDE SOLUTIONS AND SLURRIES USING AIR-SPARGED HYDROCYCLONE (ASH) TECHNOLOGY

    Energy Technology Data Exchange (ETDEWEB)

    Jan D. Miller; Terrence Chatwin; Jan Hupka; Doug Halbe; Tao Jiang; Bartosz Dabrowski; Lukasz Hupka

    2003-03-31

    The two-year Department of Energy (DOE) project ''Treatment of Cyanide Solutions and Slurries Using Air-Sparged Hydrocyclone (ASH) Technology'' (ASH/CN) has been completed. This project was also sponsored by industrial partners, ZPM Inc., Elbow Creek Engineering, Solvay Minerals, EIMCO-Baker Process, Newmont Mining Corporation, Cherokee Chemical Co., Placer Dome Inc., Earthworks Technology, Dawson Laboratories and Kennecott Minerals. Development of a new technology using the air-sparged hydrocyclone (ASH) as a reactor for either cyanide recovery or destruction was the research objective. It was expected that the ASH could potentially replace the conventional stripping tower presently used for HCN stripping and absorption with reduced power costs. The project was carried out in two phases. The first phase included calculation of basic processing parameters for ASH technology, development of the flowsheet, and design/adaptation of the ASH mobile system for hydrogen cyanide (HCN) recovery from cyanide solutions. This was necessary because the ASH was previously used for volatile organics removal from contaminated water. The design and modification of the ASH were performed with the help from ZPM Inc. personnel. Among the modifications, the system was adapted for operation under negative pressure to assure safe operating conditions. The research staff was trained in the safe use of cyanide and in hazardous material regulations. Cyanide chemistry was reviewed resulting in identification of proper chemical dosages for cyanide destruction, after completion of each pilot plant run. The second phase of the research consisted of three field tests that were performed at the Newmont Mining Corporation gold cyanidation plant near Midas, Nevada. The first field test was run between July 26 and August 2, 2002, and the objective was to demonstrate continuous operation of the modified ASH mobile system. ASH units were applied for both stripping and absorption

  5. A study on optimization of nano-sized bismuth binding technology using a nafion solution

    Energy Technology Data Exchange (ETDEWEB)

    Lee, Gyoung-Ja; Kim, Chang-Kyu; Lee, Min-Ku; Rhee, Chang-Kyu [Korea Atomic Energy Research Institute, Daejeon (Korea, Republic of)

    2010-12-15

    In this work, nano-sized bismuth (Bi) binding technology has been developed in order to improve the electrochemical characteristics of Bi for detecting heavy metals. A Bi nanopowder synthesized by gas condensation (GC) method exhibits a size smaller than 100 nm. The Bi nanoparticles are uniformly distributed on a carbon surface with strong chemical bonding by using a Nafion solution. The optimum additional amount of Nafion is suggested for dispersion stability and phase stability of the Bi nanoparticles. The detection sensitivity and the detection limit of the nano-Bi fixed electrode are quantitatively estimated from analyses of square wave anodic stripping voltammograms (SWASV). The proposed 'mercury-free' carbon strip electrode, modified with a Bi nanopowder, is conveniently to use and is directly applicable to trace metal analysis with neither pre-deposition of Bi nor complicated surface polishing steps.

  6. BEST3D user's manual: Boundary Element Solution Technology, 3-Dimensional Version 3.0

    Science.gov (United States)

    1991-01-01

    The theoretical basis and programming strategy utilized in the construction of the computer program BEST3D (boundary element solution technology - three dimensional) and detailed input instructions are provided for the use of the program. An extensive set of test cases and sample problems is included in the manual and is also available for distribution with the program. The BEST3D program was developed under the 3-D Inelastic Analysis Methods for Hot Section Components contract (NAS3-23697). The overall objective of this program was the development of new computer programs allowing more accurate and efficient three-dimensional thermal and stress analysis of hot section components, i.e., combustor liners, turbine blades, and turbine vanes. The BEST3D program allows both linear and nonlinear analysis of static and quasi-static elastic problems and transient dynamic analysis for elastic problems. Calculation of elastic natural frequencies and mode shapes is also provided.

  7. Synthesis and photocatalytic activity of Pt-ZnO hybrid nanocomposite by solution plasma technology

    Science.gov (United States)

    Hu, Xiulan; Xu, QiuCheng; Ge, Chao; Su, Nan; Zhang, Jianbo; Huang, Huihong; Zhu, Shoufeng; Xu, Yanqiu; Cheng, Jiexu

    2017-01-01

    In this paper, Pt-ZnO hybrid nanocomposites were prepared by solution plasma technology. X-ray diffraction (XRD) and energy dispersive x-ray analysis (EDX) were used to verify their chemical composition. The size and morphology of the Pt-ZnO hybrid nanocomposites were characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). These results indicate that about 2-3 nm Pt nanoparticles (NPs) were synthesized and dispersed on the pyramid-like ZnO (20-60 nm) surface. Photodegradation of Rhodamine B (RhB) demonstrates that the Pt (5 wt%)-ZnO hybrid nanocomposite has better photocatalytic activity than commercial P25 because Pt NPs restrain the photogenerated electron/hole recombination and increase the catalyst activity.

  8. Synthesis and photocatalytic activity of Pt-ZnO hybrid nanocomposite by solution plasma technology.

    Science.gov (United States)

    Hu, Xiulan; Xu, QiuCheng; Ge, Chao; Su, Nan; Zhang, Jianbo; Huang, Huihong; Zhu, Shoufeng; Xu, Yanqiu; Cheng, Jiexu

    2017-01-27

    In this paper, Pt-ZnO hybrid nanocomposites were prepared by solution plasma technology. X-ray diffraction (XRD) and energy dispersive x-ray analysis (EDX) were used to verify their chemical composition. The size and morphology of the Pt-ZnO hybrid nanocomposites were characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). These results indicate that about 2-3 nm Pt nanoparticles (NPs) were synthesized and dispersed on the pyramid-like ZnO (20-60 nm) surface. Photodegradation of Rhodamine B (RhB) demonstrates that the Pt (5 wt%)-ZnO hybrid nanocomposite has better photocatalytic activity than commercial P25 because Pt NPs restrain the photogenerated electron/hole recombination and increase the catalyst activity.

  9. Robust Adaptive LCMV Beamformer Based On An Iterative Suboptimal Solution

    Directory of Open Access Journals (Sweden)

    Xiansheng Guo

    2015-06-01

    Full Text Available The main drawback of closed-form solution of linearly constrained minimum variance (CF-LCMV beamformer is the dilemma of acquiring long observation time for stable covariance matrix estimates and short observation time to track dynamic behavior of targets, leading to poor performance including low signal-noise-ratio (SNR, low jammer-to-noise ratios (JNRs and small number of snapshots. Additionally, CF-LCMV suffers from heavy computational burden which mainly comes from two matrix inverse operations for computing the optimal weight vector. In this paper, we derive a low-complexity Robust Adaptive LCMV beamformer based on an Iterative Suboptimal solution (RAIS-LCMV using conjugate gradient (CG optimization method. The merit of our proposed method is threefold. Firstly, RAIS-LCMV beamformer can reduce the complexity of CF-LCMV remarkably. Secondly, RAIS-LCMV beamformer can adjust output adaptively based on measurement and its convergence speed is comparable. Finally, RAIS-LCMV algorithm has robust performance against low SNR, JNRs, and small number of snapshots. Simulation results demonstrate the superiority of our proposed algorithms.

  10. RFID Technology Based Attendance Management System

    Directory of Open Access Journals (Sweden)

    Sumita Nainan

    2013-01-01

    Full Text Available RFID is a nascent technology, deeply rooted by its early developments in using radar as a harbinger of adversary planes during World War II. A plethora of industries have leveraged the benefits of RFID technology for enhancements in sectors like military, sports, security, airline, animal farms, healthcare and other areas. Industry specific key applications of this technology include vehicle tracking, automated inventory management, animal monitoring, secure store checkouts, supply chain management, automatic payment, sport timing technologies, etc. This paper introduces the distinctive components of RFID technology and focuses on its core competencies: scalability and security. It will be then supplemented by a detailed synopsis of an investigation conducted to test the feasibility and practicality of RFID technology.

  11. Cosmetic devices based on active transdermal technologies.

    Science.gov (United States)

    Scott, Jessica A; Banga, Ajay K

    2015-01-01

    Active transdermal technology, commonly associated with drug delivery, has been used in recent years by the cosmetic industry for the aesthetic restoration of skin and delivery of cosmetic agents. In this article, we provide an overview of the skin's structure, various skin types, skin's self-repair mechanisms that are stimulated from the usage of cosmetic devices and discuss cosmetic applications. Summaries of the most common active transdermal technologies such as microneedles, iontophoresis, sonophoresis, lasers and microdermabrasion will be provided, in relation to the marketed cosmetic devices available that incorporate these technologies. Lastly, we cover combinations of active technologies that allow for more enhanced cosmetic results, and the current limitations of cosmetic devices.

  12. Solution-processed, high-performance light-emitting diodes based on quantum dots

    Science.gov (United States)

    Dai, Xingliang; Zhang, Zhenxing; Jin, Yizheng; Niu, Yuan; Cao, Hujia; Liang, Xiaoyong; Chen, Liwei; Wang, Jianpu; Peng, Xiaogang

    2014-11-01

    Solution-processed optoelectronic and electronic devices are attractive owing to the potential for low-cost fabrication of large-area devices and the compatibility with lightweight, flexible plastic substrates. Solution-processed light-emitting diodes (LEDs) using conjugated polymers or quantum dots as emitters have attracted great interest over the past two decades. However, the overall performance of solution-processed LEDs--including their efficiency, efficiency roll-off at high current densities, turn-on voltage and lifetime under operational conditions--remains inferior to that of the best vacuum-deposited organic LEDs. Here we report a solution-processed, multilayer quantum-dot-based LED with excellent performance and reproducibility. It exhibits colour-saturated deep-red emission, sub-bandgap turn-on at 1.7 volts, high external quantum efficiencies of up to 20.5 per cent, low efficiency roll-off (up to 15.1 per cent of the external quantum efficiency at 100 mA cm-2), and a long operational lifetime of more than 100,000 hours at 100 cd m-2, making this device the best-performing solution-processed red LED so far, comparable to state-of-the-art vacuum-deposited organic LEDs. This optoelectronic performance is achieved by inserting an insulating layer between the quantum dot layer and the oxide electron-transport layer to optimize charge balance in the device and preserve the superior emissive properties of the quantum dots. We anticipate that our results will be a starting point for further research, leading to high-performance, all-solution-processed quantum-dot-based LEDs ideal for next-generation display and solid-state lighting technologies.

  13. Skin formation in drying a film of soft matter solutions:Application of solute based Lagrangian scheme

    Institute of Scientific and Technical Information of China (English)

    罗凌; 孟凡龙; 张俊英; Masao Doi

    2016-01-01

    When a film of soft matter solutions is being dried, a skin layer often forms at its surface, which is a gel-like elastic phase made of concentrated soft matter solutions. We study the dynamics of this process by using the solute based La-grangian scheme which was proposed by us recently. In this scheme, the process of the gelation (i.e., the change from sol to gel) can be naturally incorporated in the diffusion equation. Effects of the elasticity of the skin phase, the evaporation rate of the solvents, and the initial concentration of the solutions are discussed. Moreover, the condition for the skin formation is provided.

  14. Sensors based on SAW and FBAR technologies

    Science.gov (United States)

    García-Gancedo, L.; Milne, W. I.; Luo, J. K.; Flewitt, A. J.

    2013-08-01

    Over the last few years a number of sensing platforms are being investigated for their use in drug development, microanalysis or medical diagnosis. Lab-on-a-chip (LOC) are devices integrating more than one laboratory functions on a single device chip of a very small size, and typically consist of two main components: microfluidic handling systems and sensors. The physical mechanisms that are generally used for microfluidics and sensors are different, hence making the integration of these components difficult and costly. In this work we present a lab-on-a-chip system based on surface acoustic waves (for fluid manipulation) and film bulk acoustic resonators (for sensing). Coupling surface acoustic waves into liquids induces acoustic streaming and motion of micro-droplets, whilst it is well-known that bulk acoustic waves can be used to fabricate microgravimetric sensors. Both technologies offer exceptional sensitivity and can be fabricated from piezoelectric thin films deposited on Si substrates, reducing the fabrication time/cost of the LOC devices.

  15. Brain-Based Learning With Technological Support

    Science.gov (United States)

    Miller, Anita

    2004-01-01

    Utilization of technology in secondary schools is varied and depends on the training and interest of the individual instructors. Even though technology has advanced way beyond its utilitarian roots of being viewed solely by educators as a useful machine for teachers to key exams and worksheets on, there are still many secondary educators who still…

  16. SOLUTIONING

    Directory of Open Access Journals (Sweden)

    Maria de Hoyos Guajardo, Ph.D. Candidate, M.Sc., B.Eng.

    2004-11-01

    Full Text Available The theory that is presented below aims to conceptualise how a group of undergraduate students tackle non-routine mathematical problems during a problem-solving course. The aim of the course is to allow students to experience mathematics as a creative process and to reflect on their own experience. During the course, students are required to produce a written ‘rubric’ of their work, i.e., to document their thoughts as they occur as well as their emotionsduring the process. These ‘rubrics’ were used as the main source of data.Students’ problem-solving processes can be explained as a three-stage process that has been called ‘solutioning’. This process is presented in the six sections below. The first three refer to a common area of concern that can be called‘generating knowledge’. In this way, generating knowledge also includes issues related to ‘key ideas’ and ‘gaining understanding’. The third and the fourth sections refer to ‘generating’ and ‘validating a solution’, respectively. Finally, once solutions are generated and validated, students usually try to improve them further before presenting them as final results. Thus, the last section deals with‘improving a solution’. Although not all students go through all of the stages, it may be said that ‘solutioning’ considers students’ main concerns as they tackle non-routine mathematical problems.

  17. Antibiotic resistance genes fate and removal by a technological treatment solution for water reuse in agriculture.

    Science.gov (United States)

    Luprano, Maria Laura; De Sanctis, Marco; Del Moro, Guido; Di Iaconi, Claudio; Lopez, Antonio; Levantesi, Caterina

    2016-11-15

    In order to mitigate the potential effects on the human health which are associated to the use of treated wastewater in agriculture, antibiotic resistance genes (ARGs) are required to be carefully monitored in wastewater reuse processes and their spread should be prevented by the development of efficient treatment technologies. Objective of this study was the assessment of ARGs reduction efficiencies of a novel technological treatment solution for agricultural reuse of municipal wastewaters. The proposed solution comprises an advanced biological treatment (Sequencing Batch Biofilter Granular Reactor, SBBGR), analysed both al laboratory and pilot scale, followed by sand filtration and two different disinfection final stages: ultraviolet light (UV) radiation and peracetic acid (PAA) treatments. By Polymerase Chain Reaction (PCR), the presence of 9 ARGs (ampC, mecA, ermB, sul1, sul2, tetA, tetO, tetW, vanA) were analysed and by quantitative PCR (qPCR) their removal was determined. The obtained results were compared to the reduction of total bacteria (16S rDNA gene) and of a faecal contamination indicator (Escherichia coli uidA gene). Only four of the analysed genes (ermB, sul1, sul2, tetA) were detected in raw wastewater and their abundance was estimated to be 3.4±0.7 x10(4) - 9.6±0.5 x10(9) and 1.0±0.3 x10(3) to 3.0±0.1 x10(7) gene copies/mL in raw and treated wastewaters, respectively. The results show that SBBGR technology is promising for the reduction of ARGs, achieving stable removal performance ranging from 1.0±0.4 to 2.8±0.7 log units, which is comparable to or higher than that reported for conventional activated sludge treatments. No reduction of the ARGs amount normalized to the total bacteria content (16S rDNA), was instead obtained, indicating that these genes are removed together with total bacteria and not specifically eliminated. Enhanced ARGs removal was obtained by sand filtration, while no reduction was achieved by both UV and PAA disinfection

  18. E-Learning Based on Cloud Computing: Requirements, Challenges and Solutions

    Directory of Open Access Journals (Sweden)

    Alireza Mohammadrezaei

    2014-07-01

    Full Text Available Cloud Computing Technology has changed the access method and development of applications. This technology by providing necessary fundamentals runs applications as services on the net via web browsers. E-learning can utilize cloud computing in order to fulfill the required infrastructures and also to provide the improved performance, scalability, and increased availability. This study in addition to representation of concepts such as e-learning and cloud computing by utilizing descriptive-analytical approach investigates usage of cloud computing in e-learning. Also by introducing the advantages indicates the significance and the necessity of using e-learning based upon cloud computing. Ultimately, the challenges of this model and their solutions have been represented as well

  19. Effective solutions in introducing Server-Based Computing into a hospital information system.

    Science.gov (United States)

    Kuwata, Shigeki; Teramoto, Kei; Matsumura, Yasushi; Kushniruk, Andre W; Borycki, Elizabeth M; Kondoh, Hiroshi

    2009-01-01

    Server-Based Computing (SBC) is a technology for terminal administration that achieves higher security at lower expense. Use of SBC in large hospitals, however, is not widespread because methods to effectively implement the technology have not been fully established. We present a system design that uses SBC in a large-scale hospital and then discuss the implementation problems and their solutions. With the exception of network traffic estimates, the server size estimates were validated. Three results from an evaluation of an SBC implementation were: 1) security was re-enforced by applying multiple-policy adaptation to a single client terminal, 2) cost reduction was realized by having fewer PC failures and a lower power consumption, and 3) user-roaming was found to be effective in reducing the number of iterative operations performed by users.

  20. MobiPag: Integrated Mobile Payment, Ticketing and Couponing Solution Based on NFC †

    Science.gov (United States)

    Rodrigues, Helena; José, Rui; Coelho, André; Melro, Ana; Ferreira, Marta Campos; Cunha, João Falcão e; Monteiro, Miguel Pimenta; Ribeiro, Carlos

    2014-01-01

    Mobile payments still remain essentially an emerging technology, seeking to fill the gap between the envisioned potential and widespread usage. In this paper, we present an integrated mobile service solution based on the near field communication (NFC) protocol that was developed under a research project called MobiPag. The most distinctive characteristic of Mobipag is its open architectural model that allows multiple partners to become part of the payment value-chain and create solutions that complement payments in many unexpected ways. We describe the Mobipag architecture and how it has been used to support a mobile payment trial. We identify a set of design lessons resulting from usage experiences associated with real-world payment situations with NFC-enabled mobile phones. Based on results from this trial, we identify a number of challenges and guidelines that may help to shape future versions of NFC-based payment systems. In particular, we highlight key challenges for the initial phases of payment deployments, where it is essential to focus on scenarios that can be identified as more feasible for early adoption. We also have identified a fundamental trade-off between the flexibility supported by the Mobipag solution and the respective implications for the payment process, particularly on the users' mental model. PMID:25061838

  1. MobiPag: integrated mobile payment, ticketing and couponing solution based on NFC.

    Science.gov (United States)

    Rodrigues, Helena; José, Rui; Coelho, André; Melro, Ana; Ferreira, Marta Campos; Falcão e Cunha, João; Monteiro, Miguel Pimenta; Ribeiro, Carlos

    2014-07-24

    Mobile payments still remain essentially an emerging technology, seeking to fill the gap between the envisioned potential and widespread usage. In this paper, we present an integrated mobile service solution based on the near field communication (NFC) protocol that was developed under a research project called MobiPag. The most distinctive characteristic of Mobipag is its open architectural model that allows multiple partners to become part of the payment value-chain and create solutions that complement payments in many unexpected ways. We describe the Mobipag architecture and how it has been used to support a mobile payment trial. We identify a set of design lessons resulting from usage experiences associated with real-world payment situations with NFC-enabled mobile phones. Based on results from this trial, we identify a number of challenges and guidelines that may help to shape future versions of NFC-based payment systems. In particular, we highlight key challenges for the initial phases of payment deployments, where it is essential to focus on scenarios that can be identified as more feasible for early adoption. We also have identified a fundamental trade-off between the flexibility supported by the Mobipag solution and the respective implications for the payment process, particularly on the users' mental model.

  2. MobiPag: Integrated Mobile Payment, Ticketing and Couponing Solution Based on NFC

    Directory of Open Access Journals (Sweden)

    Helena Rodrigues

    2014-07-01

    Full Text Available Mobile payments still remain essentially an emerging technology, seeking to fill the gap between the envisioned potential and widespread usage. In this paper, we present an integrated mobile service solution based on the near field communication (NFC protocol that was developed under a research project called MobiPag. The most distinctive characteristic of Mobipag is its open architectural model that allows multiple partners to become part of the payment value-chain and create solutions that complement payments in many unexpected ways. We describe the Mobipag architecture and how it has been used to support a mobile payment trial. We identify a set of design lessons resulting from usage experiences associated with real-world payment situations with NFC-enabled mobile phones. Based on results from this trial, we identify a number of challenges and guidelines that may help to shape future versions of NFC-based payment systems. In particular, we highlight key challenges for the initial phases of payment deployments, where it is essential to focus on scenarios that can be identified as more feasible for early adoption. We also have identified a fundamental trade-off between the flexibility supported by the Mobipag solution and the respective implications for the payment process, particularly on the users’ mental model.

  3. Anharmonic densities of states: A general dynamics-based solution

    Science.gov (United States)

    Jellinek, Julius; Aleinikava, Darya

    2016-06-01

    Density of states is a fundamental physical characteristic that lies at the foundation of statistical mechanics and theoretical constructs that derive from them (e.g., kinetic rate theories, phase diagrams, and others). Even though most real physical systems are anharmonic, the vibrational density of states is customarily treated within the harmonic approximation, or with some partial, often limited, account for anharmonicity. The reason for this is that the problem of anharmonic densities of states stubbornly resisted a general and exact, yet convenient and straightforward in applications, solution. Here we formulate such a solution within both classical and quantum mechanics. It is based on actual dynamical behavior of systems as a function of energy and as observed, or monitored, on a chosen time scale, short or long. As a consequence, the resulting anharmonic densities of states are fully dynamically informed and, in general, time-dependent. As such, they lay the ground for formulation of new statistical mechanical frameworks that incorporate time and are ergodic, by construction, with respect to actual dynamical behavior of systems.

  4. Research on the Substation Intelligent Protection System for Operations Personnel Based on the UWB Positioning Technology

    Directory of Open Access Journals (Sweden)

    Yu Zhen

    2015-01-01

    Full Text Available In order to improve the safety of the operations personnel, the authors designed the substation intelligent operations protection system, studied the positioning technology, three-dimensional geographic information technology and other key technologies, proposed the technical solutions of the positioning base station, the positioning label and the power supply system, and then derived the technical architecture of the substation intelligent operations protection system, which consists of the infrastructure layer, the support layer, the business layer and the presentation layer. These four layers are used to achieve the task management, real-time monitoring, warning sign, area delineation, track playback and other functions.

  5. Active Reflectors: Possible Solutions Based on Reflectarrays and Fresnel Reflectors

    Directory of Open Access Journals (Sweden)

    Lorena Cabria

    2009-01-01

    Full Text Available An overview about some of the recent Spanish developments on active reflectors is presented. In the first part, a novel beamsteering active reflectarray is deeply studied. It is based on implementing in each elementary radiator an IQ modulator structure, in which amplitude and phase control of the scattered field is achieved. Finally, a special effort is made in offering solutions to overcome the active antenna integration problems. In the second part, the active concept is firstly extended to Fresnel reflectors. Thanks to the development of a proper simulator, this special structure can be easily analysed. This simulator allows the study of performance of this kind of reflectors and, applying evolutionary algorithms, to find optimal configurations of reflector in accordance with the given specifications for the conformal radiation pattern.

  6. Distributed heterogeneous inspecting system and its middleware-based solution

    Institute of Scientific and Technical Information of China (English)

    黄理灿; 吴朝晖; 潘云鹤

    2003-01-01

    There are many cases when an organization needs to monitor the data and operations of its super-vised departments, especially those departments which are not owned by this organization and are managed by their own information systems. Distributed Heterogeneous Inspecting System (DHIS) is the system an organization uses to monitor its supervised departments by inspecting their information systems. In DHIS, the inspected systems are generally distributed, heterogeneous, and constructed by different companies. DHIS has three key processes-abstracting core data sets and core operation sets, collecting these sets, and inspecting these collected sets. In this paper, we present the concept and mathematical definition of DHIS, a metadata method for solving the interoperability, a security strategy for data transferring, and a middleware-based solution of DHIS. We also describe an example of the inspecting system at WENZHOU custom.

  7. Distributed heterogeneous inspecting system and its middleware-based solution

    Institute of Scientific and Technical Information of China (English)

    黄理灿; 吴朝晖; 潘云鹤

    2003-01-01

    There are many cases when an organization needs to monitor the data and operations of its supervised departments, especially those departments which are not owned by this organization and are managed by their own information systems. Distributed Heterogeneous Inspecting System (DHIS) is the system an organization uses to monitor its supervised departments by inspecting their information systems. In DHIS, the inspected systems are generally distributed, heterogeneous, and constructed by different companies. DHIS has three key processes-abstracting core data sets and core operation sets, collecting these sets, and inspecting these collected sets. In this paper, we present the concept and mathematical definition of DHIS, a metadata method for solving the interoperability, a security strategy for data transferring, and a middleware-based solution of DHIS. We also describe an example of the inspecting system at WENZHOU custom.

  8. FORECAST OF WATER TEMPERATURE IN RESERVOIR BASED ON ANALYTICAL SOLUTION

    Institute of Scientific and Technical Information of China (English)

    JI Shun-wen; ZHU Yue-ming; QIANG Sheng; ZENG Deng-feng

    2008-01-01

    The water temperature in reservoirs is difficult to be predicted by numerical simulations. In this article, a statistical model of forecasting the water temperature was proposed. In this model, the 3-D thermal conduction-diffusion equations were converted into a system consisting of 2-D equations with the Fourier expansion and some hypotheses. Then the statistical model of forecasting the water temperature was developed based on the analytical solution to the 2-D thermal equations. The simplified statistical model can elucidate the main physical mechanism of the temperature variation much more clearly than the numerical simulation with the Navier-Stokes equations. Finally, with the presented statistical model, the distribution of water temperature in the Shangyoujiang reservoir was determined.

  9. Distributed heterogeneous inspecting system and its middleware-based solution.

    Science.gov (United States)

    Huang, Li-can; Wu, Zhao-hui; Pan, Yun-he

    2003-01-01

    There are many cases when an organization needs to monitor the data and operations of its supervised departments, especially those departments which are not owned by this organization and are managed by their own information systems. Distributed Heterogeneous Inspecting System (DHIS) is the system an organization uses to monitor its supervised departments by inspecting their information systems. In DHIS, the inspected systems are generally distributed, heterogeneous, and constructed by different companies. DHIS has three key processes-abstracting core data sets and core operation sets, collecting these sets, and inspecting these collected sets. In this paper, we present the concept and mathematical definition of DHIS, a metadata method for solving the interoperability, a security strategy for data transferring, and a middleware-based solution of DHIS. We also describe an example of the inspecting system at WENZHOU custom.

  10. The Study of Influence of the Teslar Technology on Aqueous Solution of Some Biomolecules

    Directory of Open Access Journals (Sweden)

    E. Andreev

    2007-01-01

    Full Text Available The possibility of recording physical changes in aqueos solutions caused by a unique field generated by the Teslar chip (TC inside a quartz wristwatch has been studied using holographic interferometry. We show that the refraction index of degassed pure distilled water and aqueous solutions of L-tyrosine and b-alanine affected by the TC does not change during the first 10 minutes of influence. In contrast, a 1% aqueous solution of plasma extracted from the blood of a patient with heart vascular disease changes the refractive index when affected by the TC. The characteristic time of reaction is about 102 seconds. Based on our prior research experience, we state that the response of the system studied to the TC's field is similar to that stipulated by the action of a constant magnetic field with the intensity of 1.1×10−3 T. Nevertheless, our team have unambiguously proved that the TC generates the inerton field, which is associated with a substructure of the matter waves (and, therefore, it does not relate to the electromagnetic nature. We could unambiguously prove that the TC generates the inerton field.

  11. The study of influence of the Teslar technology on aqueous solution of some biomolecules

    CERN Document Server

    Andreev, E; Krasnoholovets, V; 10.1155/2007/94286

    2012-01-01

    The possibility of recording physical changes in aqueos solutions caused by a unique field generated by the Teslar chip (TC) inside a quartz wristwatch has been studied using holographic interferometry. We show that the refraction index of degassed pure distilled water and aqueous solutions of L-tyrosine and b-alanine affected by the TC does not change during the first 10 minutes of influence. In contrast, a 1% aqueous solution of plasma extracted from the blood of a patient with heart-vascular disease changes the refractive index when affected by the TC. The characteristic time of reaction is about 100 s. Based on our prior research experience we state that the response of the system studied to the TC's field is similar to that stipulated by the action of a constant magnetic field with the intensity of 1.1 x 10^{-3} T. Nevertheless, our team could unambiguously prove that the TC generates the inerton field, which is associated with a substructure of the matter waves (and, therefore, it does not relate to the...

  12. Mixed Reality-based Interactive Technology for Aircraft Cabin Assembly

    Institute of Scientific and Technical Information of China (English)

    LI Shiqi; PENG Tao; WANG Junfeng; XU Chi

    2009-01-01

    Due to the narrowness of space and the complexity of structure, the assembly of aircraft cabin has become one of the major bottlenecks in the whole manufacturing process. To solve the problem, at the beginning of aircraft design, the different stages of the lifecycle of aircraft must be thought about, which include the trial manufacture, assembly, maintenance, recycling and destruction of the product. Recently, thanks to the development of the virtual reality and augmented reality, some low-cost and fast solutions are found for the product assembly. This paper presents a mixed reality-based interactive technology for the aircraft cabin assembly, which can enhance the efficiency of the assemblage in a virtual environment in terms of vision, information and operation. In the mixed reality-based assembly environment, the physical scene can be obtained by a camera and then generated by a computer. The virtual parts, the features of visual assembly, the navigation information, the physical parts and the physical assembly environment will be mixed and presented in the same assembly scene. The mixed or the augmented information will provide some assembling information as a detailed assembly instruction in the mixed reality-based assembly environment. Constraint proxy and its match rules help to reconstruct and visualize the restriction relationship among different parts, and to avoid the complex calculation of constraint's match. Finally, a desktop prototype system of virtual assembly has been built to assist the assembly verification and training with the virtual hand.

  13. An SAO-based approach to technology evolution analysis using patent information: Case study—graphene sensors

    Institute of Scientific and Technical Information of China (English)

    Zhengyin; HU; Shu; FANG; Ling; WEI; Yi; WEN; Xian; ZHANG; Min; WANG

    2015-01-01

    Purpose: This paper introduces an approach to technology evolution analysis using patent information based on Subject-Action-Object(SAO) structures.Design/methodology/approach: First, SAO structures were extracted from patent documents and were cleaned. Second, several dimension-reduction techniques were used to generate technology topics. Then, the hierarchical relationships between technology topics were calculated based on patent clustering. Finally, technology evolution maps were drawn by adding a timeline.Findings: This approach can reveal technology evolution processes from multiple perspectives than other approaches.Research limitations: The semantic annotation of an SAO type is not very accurate and the semantic types of technology topics need to be enriched.Practical implications: The approach can be applied to draw technology evolution maps using different types of technology topics such as problem or solution.Originality/value: This approach offers an analytical dimension and more details than existing techniques, and it helps identify fundamental and emerging technologies more accurately and comprehensively.

  14. Gastric Outlet Obstruction Palliation: A Novel Stent-Based Solution

    Directory of Open Access Journals (Sweden)

    Natasha M. Rueth

    2010-06-01

    Full Text Available Gastric outlet obstruction (GOO after esophagectomy is a morbid outcome and significantly hinders quality of life for end-stage esophageal cancer patients. In the pre-stent era, palliation consisted of chemotherapy, radiation, tumor ablation, or stricture dilation. In the current era, palliative stenting has emerged as an additional tool; however, migration and tumor ingrowth are ongoing challenges. To mitigate these challenges, we developed a novel, hybrid, stent-based approach for the palliative management of GOO. We present a patient with esophageal cancer diagnosed with recurrent, metastatic disease 1 year after esophagectomy. She developed dehydration and intractable emesis, which significantly interfered with her quality of life. For palliation, we dilated the stenosis and proceeded with our stent-based solution. Using a combined endoscopic and fluoroscopic approach, we placed a 12-mm silicone salivary bypass tube across the pylorus, where it kinked slightly because of local tumor biology. To bridge this defect and ensure luminal patency, we placed a nitinol tracheobronchial stent through the silicone stent. Clinically, the patient had immediate relief from her pre-operative symptoms and was discharged home on a liquid diet. In conclusion, GOO and malignant dysphagia after esophagectomy are significant challenges for patients with end-stage disease. Palliative stenting is a viable option, but migration and tumor ingrowth are common complications. The hybrid approach presented here provides a unique solution to these potential pitfalls. The flared silicone tube minimized the chance of migration and impaired tumor ingrowth. The nitinol stent aided with patency and overcame the challenges of the soft tube. This novel strategy achieved palliation, describing another endoscopic option in the treatment of malignant GOO.

  15. Solute based Lagrangian scheme in modeling the drying process of soft matter solutions.

    Science.gov (United States)

    Meng, Fanlong; Luo, Ling; Doi, Masao; Ouyang, Zhongcan

    2016-02-01

    We develop a new dynamical model to study the drying process of a droplet of soft matter solutions. The model includes the processes of solute diffusion, gel-layer formation and cavity creation. A new scheme is proposed to handle the diffusion dynamics taking place in such processes. In this scheme, the dynamics is described by the motion of material points taken on solute. It is convenient to apply this scheme to solve problems that involve moving boundaries and phase changes. As an example, we show results of a numerical calculation for a drying spherical droplet, and discuss how initial concentration and evaporation rate affect the structural evolution of the droplet.

  16. Problems and Solution Suggestions Related to Information Technology Course According to Elementary School Principals and Information Technology Teachers (A Case from Eskisehir)

    Science.gov (United States)

    Sisman Eren, Esra; Sahin-Izmirli, Ozden

    2012-01-01

    The purpose of the present study was to determine the problems experienced with the Information Technology (IT) course given as an elective course in elementary schools and to put forward suggestions for solutions to these problems. For this purpose, this study was carried out within the framework of phenomenology. The study was carried out with…

  17. Gasification technology increases the efficiency of power plants. Automation solution controls processses; Vergasungstechnologie steigert Effizienz von Kraftwerken. Automatisierungsloesung steuert Prozesse

    Energy Technology Data Exchange (ETDEWEB)

    Laufkoetter, Silke

    2013-04-15

    More electric power and heat from waste and biomass - this enables innovative technologies which were developed by Metso (Helsinki, Finland). The plant installed by Metso in Lathi (Finland) is a milestone in the technology of the waste incineration: Never before, a power plant has gasified waste materials in such an order of magnitude. In Pori (Finland) biomass was gasified. The automation solution Metso DNA was used in both power plants in order to control the demanding processes.

  18. Method and device for electroextraction of heavy metals from technological solutions and wastewater

    Science.gov (United States)

    Khalemsky, Aron Mikhailov; Payusov, Sergei Abramovic; Kelner, Leonid; Jo, Jae

    2005-05-03

    The basic principles of the method for heavy metals electroextraction from technological solutions and wastewater includes pretreating to remove Chromium-6 and high concentrations of heavy metals and periodically treating in a six-electrode bipolar cylindrical electroreactor made of non-conducting material to achieve lower accepted levels of impurities. Six cylindrical steel electrodes form two triode stacks and are fed with three-phase alternating current of commercial frequency (50-60 Hz), which can be pulsed. Each phase of the three-phase current is connected to three electrodes of one triode stack or in parallel to two triode stacks. The parallel connection of three-phase current to two triode stacks is performed so that the same phase of the three phase current is connected in parallel with each two opposite electrodes of six electrodes located along the periphery, or with two adjacent electrodes. A bipolar stationary aluminum electrode is situated in the inter-electrode space. In one of the embodiments, the bipolar electrode is made of a perforated heat-resistant plastic container filled with secondary aluminum and duralumin scrap. In another embodiment, the bipolar electrode of aluminum or duralumin scrap may be made without a perforated container and is placed in the inter-electrode space as a bulk scrap. In this case, to prevent shorts, each of six steel electrodes is placed in isolated perforated plastic shell with holes of 5 mm in diameter. Non-ferrous metals are extracted in a form of ferrite-chromites, and aluminates as well as hydroxyl salts deposited in the inter-electrode space without electrolysis deposits on electrodes. Deposits are separated from solution by known methods of filtration.

  19. Optimisation-Based Solution Methods for Set Partitioning Models

    DEFF Research Database (Denmark)

    Rasmussen, Matias Sevel

    The scheduling of crew, i.e. the construction of work schedules for crew members, is often not a trivial task, but a complex puzzle. The task is complicated by rules, restrictions, and preferences. Therefore, manual solutions as well as solutions from standard software packages are not always su......_cient with respect to solution quality and solution time. Enhancement of the overall solution quality as well as the solution time can be of vital importance to many organisations. The _elds of operations research and mathematical optimisation deal with mathematical modelling of di_cult scheduling problems (among...... other topics). The _elds also deal with the development of sophisticated solution methods for these mathematical models. This thesis describes the set partitioning model which has been widely used for modelling crew scheduling problems. Integer properties for the set partitioning model are shown...

  20. Technology-based suicide prevention: current applications and future directions.

    Science.gov (United States)

    Luxton, David D; June, Jennifer D; Kinn, Julie T

    2011-01-01

    This review reports on current and emerging technologies for suicide prevention. Technology-based programs discussed include interactive educational and social networking Web sites, e-mail outreach, and programs that use mobile devices and texting. We describe innovative applications such as virtual worlds, gaming, and text analysis that are currently being developed and applied to suicide prevention and outreach programs. We also discuss the benefits and limitations of technology-based applications and discuss future directions for their use.

  1. Electronic data capture platform for clinical research based on mobile phones and near field communication technology.

    Science.gov (United States)

    Morak, Jürgen; Schwetz, Verena; Hayn, Dieter; Fruhwald, Friedrich; Schreier, Gunter

    2008-01-01

    Electronic data capture systems support data acquisition for clinical research and enable the evaluation of new investigational medical devices. In case of evaluating a device the most challenging part is the user interface i.e. the solution how to acquire the data within a clinical setting and to synchronize them with a web-based data centre. The aim of this paper is to describe the development of an electronic data capture system with a mobile data input solution based on mobile phones and Near Field Communication technology. This system was evaluated within a real clinical setting and demonstrated high usability, security and reliability.

  2. The effect of backroom size on retail product availability – operational and technological solutions

    Directory of Open Access Journals (Sweden)

    Nikola Milićević

    2015-05-01

    Full Text Available Amid the conditions of increasingly fierce competition, retailers are doing their best to meet the demands of their customers as efficiently as possible. Through the ever-growing level of product availability they raise the quality of service, which is positively reflected not only on the growth in sales, but also customer satisfaction. In the opposite case, the out-ofstock problem emerges, affecting not only customers, but also retailers and their suppliers. Bearing in mind, that the causes of the given problem occur most frequently in the last metres of the supply chain, in this paper we investigated the effect of backroom size on product availability, depending on the retail format. For this purpose, we used moderated regression analysis on the sample of 80 fast moving consumer goods in retail stores located on the territory of the Republic of Serbia. The obtained results pointed to opposite movements in the smallest and the largest format. Whereas in superettes the out-of-stock level lowers with the increase in the backroom size, it tends to drop in hypermarkets. Therefore, we pointed to some in-store problems that cause product stock-outs in different store formats. In addition to indicating the potential causes of analyzed relations, this paper also presents certain operational and technological solutions related to their mitigation.

  3. Creative solutions to making the technology work: three case studies of dyslexic writers in higher education

    Directory of Open Access Journals (Sweden)

    Geraldine A. Price

    2006-12-01

    Full Text Available Research into the behaviours manifested by the dyslexic condition has often focused upon younger dyslexic pupils and the lower-order skill difficulty in decoding and encoding. A surge in interest in the writing process has shifted the focus to higher-order skills, and a growing body of research is emerging within the higher education context (Hughes & Suritsky, 1994; McNaughton et al., 1997; Hatcher, 2001; Singleton & Aisbett, 2001; Farmer et al., 2002. Students are expected to be ‘expert' writers, and the mark of a good student is the ability to use writing as a tool for thinking. Drawing upon data from semi-structured interviews with undergraduate and postgraduate dyslexic students and their real-time writing logs, three case studies are presented and used to explore creative ways of using technology to manage dyslexia. The students demonstrate how they use different types of software to overcome writing anxiety, ‘fear of the blank page' syndrome and issues of plagiarism. The experiences of the students within the case studies demonstrate that often simple software can provide the best solutions, and that students combine features from software programs in creative ways to compensate for weaknesses in their cognitive profile.

  4. Link technologies and BlackBerry mobile health (mHealth) solutions: a review.

    Science.gov (United States)

    Adibi, Sasan

    2012-07-01

    The number of wearable wireless sensors is expected to grow to 400 million by the year 2014, while the number of operational mobile subscribers has already passed the 5.2 billion mark in 2011. This growth results in an increasing number of mobile applications including: Machine-to-Machine (M2M) communications, Electronic-Health (eHealth), and Mobile-Health (mHealth). A number of emerging mobile applications that require 3G and 4G mobile networks for data transport relate to telemedicine, including establishing, maintaining, and transmitting health-related information, research, education, and training. This review paper takes a closer look at these applications, specifically with regard to the healthcare industry and their underlying link technologies. The authors believe that the BlackBerry platform and the associated infrastructure (i.e., BlackBerry Enterprise Server) is a logical and practical solution for eHealth, mHealth, sensor and M2M deployments, which are considered in this paper.

  5. Algal blooms and Membrane Based Desalination Technology

    NARCIS (Netherlands)

    Villacorte, L.O.

    2014-01-01

    Seawater desalination is rapidly growing in terms of installed capacity (~80 million m3/day in 2013), plant size and global application. An emerging threat to this technology is the seasonal proliferation of microscopic algae in seawater known as algal blooms. Such blooms have caused operational pro

  6. Adhesives; A Base Syllabus on Wood Technology.

    Science.gov (United States)

    Eastern Kentucky Univ., Richmond.

    Prepared by participants in the 1968 National Defense Education Act Institute on Wood Technology, this syllabus is one of a series of basic outlines designed to aid college level industrial arts instructors in improving and broadening the scope and content of their programs. The guide is divided into three sections, the first of which deals with…

  7. Technology support for military capability based acquisition

    CSIR Research Space (South Africa)

    Thaba, Mphahlela

    2017-05-01

    Full Text Available gap between capability planning and acquisition of product systems in the SANDF. (Thaba J et al, 2015). The need for decision support tools and technologies to assist capability planners to close this gap and make sound decisions has become more...

  8. Algal blooms and Membrane Based Desalination Technology

    NARCIS (Netherlands)

    Villacorte, L.O.

    2014-01-01

    Seawater desalination is rapidly growing in terms of installed capacity (~80 million m3/day in 2013), plant size and global application. An emerging threat to this technology is the seasonal proliferation of microscopic algae in seawater known as algal blooms. Such blooms have caused operational pro

  9. Modeling Project Management Competences: An Ontology-Based Solution for Competency-Based Learning

    Science.gov (United States)

    Bodea, Constanţa-Nicoleta; Dascălu, Maria-Iuliana

    Due to growing requirements for skilled workers, the education should value the outcome and address students' real performance in life. A learning process turns out to be good when the degree of transformation made possible through that process is high or the degree of competences increases. Current paper indicates e-learning as a suitable activity for competences development. The authors also argue that a proper competences modeling solution would increase the efficiency of competence-based learning. Consequently, an ontology based solution is presented for project management domain.

  10. A Qualitative Study on Classroom Management and Classroom Discipline Problems, Reasons, and Solutions: A Case of Information Technologies Class

    Science.gov (United States)

    Erdogan, Mehmet; Kursun, Engin; Sisman, Gulcin Tan; Saltan, Fatih; Gok, Ali; Yildiz, Ismail

    2010-01-01

    The purpose of this study was to investigate classroom management and discipline problems that Information Technology teachers have faced, and to reveal underlying reasons and possible solutions of these problems by considering the views of parents, teachers, and administrator. This study was designed as qualitative study. Subjects of this study…

  11. How Subsurface Water Technologies (SWT) can Provide Robust, Effective, and Cost-Efficient Solutions for Freshwater Management in Coastal Zones

    NARCIS (Netherlands)

    Zuurbier, K.G.; Raat, K.J.; Paalman, M.; Oosterhof, A.T.; Stuyfzand, P.J.

    2016-01-01

    Freshwater resources in coastal zones are limited while demands are high, resulting in problems like seasonal water shortage, overexploitation of freshwater aquifers, and seawater intrusion. Three subsurface water technologies (SWT) that can provide robust, effective, and cost-efficient solutions to

  12. Modelling Blended Solutions for Higher Education: Teaching, Learning, and Assessment in the Network and Mobile Technology Era

    Science.gov (United States)

    Bocconi, Stefania; Trentin, Guglielmo

    2014-01-01

    The article addresses the role of network and mobile technologies in enhancing blended solutions with a view to (a) enriching the teaching/learning processes, (b) exploiting the opportunities it offers for their observability, and hence for their monitoring and formative/summative assessment. It will also discuss how such potential can only be…

  13. How Subsurface Water Technologies (SWT) can Provide Robust, Effective, and Cost-Efficient Solutions for Freshwater Management in Coastal Zones

    NARCIS (Netherlands)

    Zuurbier, K.G.; Raat, K.J.; Paalman, M.; Oosterhof, A.T.; Stuyfzand, P.J.

    2016-01-01

    Freshwater resources in coastal zones are limited while demands are high, resulting in problems like seasonal water shortage, overexploitation of freshwater aquifers, and seawater intrusion. Three subsurface water technologies (SWT) that can provide robust, effective, and cost-efficient solutions to

  14. The technology base for agile manufacturing

    Science.gov (United States)

    Brost, R. C.; Strip, D. R.; Eicker, P. J.

    1993-01-01

    The effective use of information is a critical problem faced by manufacturing organizations that must respond quickly to market changes. As product runs become shorter, rapid and efficient development of product manufacturing facilities becomes crucial to commercial success. Effective information utilization is a key element to successfully meeting these requirements. This paper reviews opportunities for developing technical solutions to information utilization problems within a manufacturing enterprise and outlines a research agenda for solving these problems.

  15. Secure Cloud-Based Solutions for Different eHealth Services in Spanish Rural Health Centers.

    Science.gov (United States)

    de la Torre-Díez, Isabel; Lopez-Coronado, Miguel; Garcia-Zapirain Soto, Begonya; Mendez-Zorrilla, Amaia

    2015-07-27

    The combination of eHealth applications and/or services with cloud technology provides health care staff—with sufficient mobility and accessibility for them—to be able to transparently check any data they may need without having to worry about its physical location. The main aim of this paper is to put forward secure cloud-based solutions for a range of eHealth services such as electronic health records (EHRs), telecardiology, teleconsultation, and telediagnosis. The scenario chosen for introducing the services is a set of four rural health centers located within the same Spanish region. iCanCloud software was used to perform simulations in the proposed scenario. We chose online traffic and the cost per unit in terms of time as the parameters for choosing the secure solution on the most optimum cloud for each service. We suggest that load balancers always be fitted for all solutions in communication together with several Internet service providers and that smartcards be used to maintain identity to an appropriate extent. The solutions offered via private cloud for EHRs, teleconsultation, and telediagnosis services require a volume of online traffic calculated at being able to reach 2 Gbps per consultation. This may entail an average cost of €500/month. The security solutions put forward for each eHealth service constitute an attempt to centralize all information on the cloud, thus offering greater accessibility to medical information in the case of EHRs alongside more reliable diagnoses and treatment for telecardiology, telediagnosis, and teleconsultation services. Therefore, better health care for the rural patient can be obtained at a reasonable cost.

  16. Innovative cold joining technologies based on tube forming

    Directory of Open Access Journals (Sweden)

    Alves Luis M.

    2015-01-01

    Full Text Available This paper is focused on innovative cold joining technologies for connecting tubes and fixing tubes to sheets. The proposed technologies are based on the utilization of plastic instability waves in thin-walled tubes subjected to axial compression and may be seen as an alternative to conventional joining technologies based on mechanical fixing with fasteners, welding and structural adhesive bonding. Besides allowing connecting dissimilar materials and being successfully employed in fixture conditions that are difficult and costly to achieve by means of conventional joining the new proposed technologies also cope with the growing concerns on the demand, lifecycle and recycling of materials.

  17. Performance-Based Technology Selection Filter description report

    Energy Technology Data Exchange (ETDEWEB)

    O' Brien, M.C.; Morrison, J.L.; Morneau, R.A.; Rudin, M.J.; Richardson, J.G.

    1992-05-01

    A formal methodology has been developed for identifying technology gaps and assessing innovative or postulated technologies for inclusion in proposed Buried Waste Integrated Demonstration (BWID) remediation systems. Called the Performance-Based Technology Selection Filter, the methodology provides a formalized selection process where technologies and systems are rated and assessments made based on performance measures, and regulatory and technical requirements. The results are auditable, and can be validated with field data. This analysis methodology will be applied to the remedial action of transuranic contaminated waste pits and trenches buried at the Idaho National Engineering Laboratory (INEL).

  18. METHOD OF HIGH-LEVEL TECHNOLOGY MAPPING BASED ON KNOWLEDGE(RULE)

    Institute of Scientific and Technical Information of China (English)

    Ma Cong; Wang Zuojian; Liu Mingye

    2001-01-01

    This paper studies the linkage problem between the result of high-level synthesis and back-end technology, presents a method of high-level technology mapping based on knowl edge, and studies deeply all of its important links such as knowledge representation, knowledge utility and knowledge acquisition. It includes: (1) present a kind of expanded production about knowledge of circuit structure; (2) present a VHDL-based method to acquire knowledge of tech nology mapping; (3) provide solution control strategy and algorithm of knowledge utility; (4)present a half-automatic maintenance method, which can find redundance and contradiction of knowledge base; (5) present a practical method to embed the algorithm into knowledge system to decrease complexity of knowledge base. A system has been developed and linked with three kinds of technologies, so verified the work of this paper.

  19. INFLUENCE OF ORGANIZATIONAL AND TECHNOLOGICAL SOLUTIONS TO TECHNICAL AND ECONOMICAL INDICATORS IN PROJECT OF HEAT INSULATION FACADES

    Directory of Open Access Journals (Sweden)

    BABIJ I. N. Cand. Sc. (Tech., Associate Professor,

    2016-09-01

    Full Text Available Summary. Raising of problem. The article dedicated to the solution important problems of choosing rational technical and economic indicators of the duration and cost the process heat insulation facades of buildings by means of experimental and statistical modeling organizational and technological solutions. For this we used the results of numerical experiment, theory a shorthand experiment planning and contemporary computer programs. Purpose. We used experimentally-statistical modeling to establish the impact of organizational and technological solutions for heat insulation of facades by hinged ventilated systems on technical and economic parameters of the project, such as duration and cost. Conclusion. We investigated depending duration assembly jobs and manufacturing cost on the value and combination of variable factors experimental and statistical modeling of construction processes and results patterns of change in studied parameters.

  20. Characterization of bis-[triethoxysilylpropyl] tetrasulfide layers on aluminum based on water-based silanization solution

    Energy Technology Data Exchange (ETDEWEB)

    Wang Minghao [College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082 (China); He Deliang, E-mail: delianghe@163.com [College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082 (China); Xie Hui; Fu Liqun; Yu Yan [College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082 (China); Zhang Quan [College of Civil Engineering, Hunan University, Changsha, 410082 (China)

    2012-06-30

    In this work, a water-based silanization solution was prepared using a biphasic hydrolysis system composed of 85% (V/V) water and 15% (V/V) bis-[triethoxysilylpropyl] tetrasulfide (BTESPT)/n-heptane/ethanol mixture for efficiently coating aluminum with silane layer against corrosion. The BTESPT-based coatings on several pretreated aluminum samples were characterized by scanning electron microscopy and X-ray energy dispersive spectroscopy, and their electrochemical behaviors were assessed in 0.1 M NaCl neutral solution by means of electrochemical impedance spectroscopy and Tafel polarization. The BTESPT-based coating of about 180 nm thick was found to be uniform and compact, and the maximum corrosion resistance of 10{sup 6} Ohm-Sign of the BTESPT-treated aluminum samples was observed, which is larger than that of bare aluminum by two orders of magnitude. Durability tests in NaCl solution demonstrated that the BTESPT coating can provide superior protection of alumina substrate from corrosion for 10-day immersion in the corrosive media. - Highlights: Black-Right-Pointing-Pointer Water-based silanization solution prepared using a biphasic hydrolysis system. Black-Right-Pointing-Pointer Silane layers with thickness of about 180 nm were uniform and compact. Black-Right-Pointing-Pointer Water-based silane layers as alternative to anticorrosion chromate coatings for Al. Black-Right-Pointing-Pointer Excellent anticorrosion protection observed after 10-day immersion in corrosive medium.

  1. Biofunctionalization of Si nanowires using a solution based technique

    Science.gov (United States)

    Williams, Elissa H.; Davydov, Albert V.; Oleshko, Vladimir P.; Lin, Nancy J.; Steffens, Kristen L.; Manocchi, Amy K.; Krylyuk, Sergiy; Rao, Mulpuri V.; Schreifels, John A.

    2012-10-01

    Here we present a solution based functionalization technique for streptavidin (SA) protein conjugation to silicon nanowires (Si NWs). Si NWs, with a diameter of 110 nm to 130 nm and a length of 5 μm to 10 μm, were functionalized with 3-aminopropyltriethoxysilane (APTES) followed by biotin for the selective attachment of SA. High-resolution transmission electron microscopy (HRTEM) and atomic force microscopy (AFM) showed that the Si NWs were conformally coated with 20 nm to 30 nm thick APTES, biotin, and SA layers upon functionalization. Successful attachment of each bio/organic layer was confirmed by X-ray photoelectron spectroscopy (XPS) and fluorescence microscopy. Fluorescence microscopy also demonstrated that there was an undesirable non-specific binding of the SA protein as well as a control protein, bovine serum albumin (BSA), to the APTES-coated Si NWs. However, inhibition of BSA binding and enhancement of SA binding were achieved following the biotinylation step. The biofunctionalized Si NWs show potential as label-free biosensing platforms for the specific and selective detection of biomolecules.

  2. Designing Digital Preservation Solutions: A Risk Management-Based Approach

    Directory of Open Access Journals (Sweden)

    José Barateiro

    2010-07-01

    Full Text Available Digital preservation aims to keep digital objects accessible over long periods of time, ensuring the authenticity and integrity of these digital objects. In such complex environments, Risk Management is a key factor in assuring the normal behaviour of systems over time. Currently, the digital preservation arena commonly uses Risk Management concepts to assess repositories. In this paper, we intend to go further and propose a perspective where Risk Management can be used not only to assess existing solutions, but also to conceive digital preservation environments. Thus, we propose a Risk Management-based approach to design and assess digital preservation environments, including:• the definition of context and identification of strategic objectives to determine specific requirements and characterize which consequences are acceptable within the identified context;• the identification, analysis and evaluation of threats and vulnerabilities that may affect the normal behaviour of a specific business or the achievement of the goals and conformance to the requirements identified in the context characterization; and, • definition of actions to deal with the risks associated with the identified threats and vulnerabilities.We generalize and survey the main requirements, threats, vulnerabilities and techniques that can be applied in the scope of digital preservation.

  3. Radiation effects on viscosimetry of protein based solutions

    Science.gov (United States)

    Sabato, S. F.; Lacroix, M.

    2002-03-01

    Due to their good functional properties allied to their excellent nutritional value, milk protein isolates and soy protein concentrates have gained a crescent interest. These proteins could have their structural properties improved when some treatments are applied, such as gamma irradiation, alone or in presence of other compounds, as a plasticizer. In this work, solutions of those proteins were mixed with a generally recognized as safe plasticizer, glycerol. These mixtures (8% protein (w/v) base) at two ratios 1:1 and 2:1 (protein:glycerol) were submitted to a gamma irradiation treatment ( 60Co), at doses 0, 5, 15 and 25 kGy, and their rheological performance was studied. As irradiation dose increased viscosity measurements decayed significantly ( pwhey/glycerol remained almost constant as irradiation dose increases. In the case of soy protein isolate and sodium caseinate, a mixture of 2:1 showed a significant higher viscosity ( p<0.05) than a mixture of 1:1.

  4. Exact angular momentum projection based on cranked HFB solution

    Energy Technology Data Exchange (ETDEWEB)

    Enami, Kenichi; Tanabe, Kosai; Yosinaga, Naotaka [Saitama Univ., Urawa (Japan). Dept. of Physics

    1998-03-01

    Exact angular momentum projection of cranked HFB solutions is carried out. It is reconfirmed from this calculation that cranked HFB solutions reproduce the intrinsic structure of deformed nucleus. The result also indicates that the energy correction from projection is important for further investigation of nuclear structure. (author)

  5. Polymer waveguide based hybrid opto-electric integration technology

    Science.gov (United States)

    Mao, Jinbin; Deng, Lingling; Jiang, Xiyan; Ren, Rong; Zhai, Yumeng; Wang, Jin

    2014-10-01

    While monolithic integration especially based on InP appears to be quite an expensive solution for optical devices, hybrid integration solutions using cheaper material platforms are considered powerful competitors because of the high freedom of design, yield optimization and relative cost-efficiency. Among them, the polymer planar-lightwave circuit (PLC) technology is regarded attractive as polymer offers the potential of fairly simple and low-cost fabrication, and of low-cost packaging. In our work, polymer PLC was fabricated by using the standard reactive ion etching (RIE) technique, while other active and passive devices can be integrated on the polymer PLC platform. Exemplary polymer waveguide devices was a 13-channel arrayed waveguide grating (AWG) chip, where the central channel cross-talk was below -30dB and the polarization dependent frequency shift was mitigated by inserting a half wave plate. An optical 900 hybrid was also realized with one 2×4 multi-mode interferometer (MMI). The excess insertion losses are below 4dB for the C-band, while the transmission imbalance is below 1.2dB. When such an optical hybrid was integrated vertically with mesa-type photodiodes, the responsivity of the individual PD was around 0.06 A/W, while the 3 dB bandwidth reaches 24 ~ 27 GHz, which is sufficient for 100Gbit/s receivers. Another example of the hybrid integration was to couple the polymer waveguides to fiber by applying fiber grooves, whose typical loss value was 0.2 dB per-facet over a broad spectral range from 1200-1600 nm.

  6. Solid Solution Nitriding Technology of 15Cr-7.5Mn-2.6Mo Duplex Stainless Steel

    Institute of Scientific and Technical Information of China (English)

    FU Rui-dong; ZHAO Pin; WANG Chun-Yu; QIU Liang; ZHENG Yang-zeng

    2004-01-01

    Solid solution nitriding technologies of 15Cr-7.5Mn-2.6Mo duplex stainless steel were investigated by using of orthogonal tests. The results show that the best technology would be the processes of 1050℃× 2h + 1150℃× 3h +1050℃× 2h + 1150℃× 4h under pure N2 with PN2=0.15MPa. The high nitrogen austenitic case with the depth of1.62mm can be obtained. Orthogonal tests show that the type of atmosphere has the most notable effect on solid solution nitriding process; the pressure in the furnace and the nitriding processes has a notable effect. X-ray diffraction analyses results indicate that the main phases in the cases of the solution-nitrided samples cooled in the furnace are high nitrogen austenite, CrN, Fe3O4 and nitrogen containing ferrite. In the other samples experienced solid solution nitriding and solution treatment the obtained phase in the cases is high nitrogen austenite only. The results show that solid solution nitriding is a process that nitrogen absolutely diffuses in the austenite. The diffusing activation energy in the conditions of PN2 = 0.15MPa and 1050℃~ 1200℃ is 186.6K J/mol.

  7. Algal blooms and Membrane Based Desalination Technology

    OpenAIRE

    Villacorte, L.O.

    2014-01-01

    Seawater desalination is rapidly growing in terms of installed capacity (~80 million m3/day in 2013), plant size and global application. An emerging threat to this technology is the seasonal proliferation of microscopic algae in seawater known as algal blooms. Such blooms have caused operational problems in seawater reverse osmosis (SWRO) plants due to clogging and poor effluent quality of the pre-treatment system which eventually forced the shutdown of the plant to avoid irreversible fouling...

  8. Algal blooms and Membrane Based Desalination Technology

    OpenAIRE

    Villacorte, L.O.

    2014-01-01

    Seawater desalination is rapidly growing in terms of installed capacity (~80 million m3/day in 2013), plant size and global application. An emerging threat to this technology is the seasonal proliferation of microscopic algae in seawater known as algal blooms. Such blooms have caused operational problems in seawater reverse osmosis (SWRO) plants due to clogging and poor effluent quality of the pre-treatment system which eventually forced the shutdown of the plant to avoid irreversible fouling...

  9. 4{sup +}D Technology{sup TM} for nuclear systems soft solutions

    Energy Technology Data Exchange (ETDEWEB)

    Suh, Kune Y., E-mail: kysuh@philosophia.co.k [Philosophia, Inc., Seoul National University, 599 Gwanak-Ro, Gwanak-Gu, 151-744 Seoul (Korea, Republic of)

    2010-10-15

    The signature in the proposal lies with the NSSS (Nuclear Systems Soft Solutions). NSSS proposed in the 3-dimensional space and time plus cost coordinates, i.e. 4{sup +} dimensional technology, is the backbone of digital engineering in the nuclear system design and management. The NSSS is empowered by Janus (Junctional Analysis Neo dynamic Unit Soft Power), NOTUS (Neo systemic Optimization Technical Unit Soft Power), Venus (Virtual Engineering Neo cybernetic Unit Soft Power), EURUS (Engineering Utilities Research Unit Soft Power) and INUUS (Informative Neo graphic Utilities Unit Soft Power). Janus extracts the geometric data directly from the computer-aided design CAD files to import to multidimensional computational fluid and structural dynamics codes. Janus uses the joint-CAD analysis methods to eliminate the necessity of any pre- and post- processors. Starting from the 3-dimensional CAD, NOTUS contributes to reducing the construction cost of the nuclear power plants by optimizing the component manufacturing procedure and the plant construction process. Planning and scheduling construction projects can thus benefit greatly by integrating traditional management techniques with digital process simulation visualization. The 3-dimensional visualization of construction processes and resulting products intrinsically afford most of the advantages realized by the 4{sup +}D technology. Problems with equipment positioning and manpower congestion in certain areas can readily be visualized prior to the actual operation, thus preventing accidents and safety problems such as collision between two machines and losses in productivity. Venus applied the virtual reality technology in nuclear industry. Virtual reality provides an interactive real time motion with sound and tactile and other forms of feedback. The management and workers can thus comprehend the work process crystal clear by visualizing precisely how activities relate to one another, whereby reducing conflicting

  10. Influences of Platinum Precursors and Solution Acidities on REO-Based Catalysts Performances

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    Important effects exist between precious metals and rare earths oxides in three-way catalyst, especially the coordinated effects. These effects were studied by using H2PtCl6, Pt(NH3)2(NO2)2 and Pt(OH)2(C2H5ONH2)2 as Pt precursors, and the mixed oxide of (Ce-Zr-La-Pr)O as base material to prepare a series of catalysts, and their performances of the catalysts were studied by TPR and CO pulse titration technologies. The results shown that Pt precursors and their solutions pH values influenced the oxygen storage capabilities, the active metal distribution degrees of the catalysts obviously, and every catalyst prepared by different precursors had an optimal pH values. It indicates that the active metals precursors and their solutions acidities have outstanding influences on the catalysts performances for the mutual effects existing between the active metals and the Rare Earth metal oxides, which results from the mate groups of the precursors and the solution acidity.

  11. Building information modeling based on intelligent parametric technology

    Institute of Scientific and Technical Information of China (English)

    ZENG Xudong; TAN Jie

    2007-01-01

    In order to push the information organization process of the building industry,promote sustainable architectural design and enhance the competitiveness of China's building industry,the author studies building information modeling (BIM) based on intelligent parametric modeling technology.Building information modeling is a new technology in the field of computer aided architectural design,which contains not only geometric data,but also the great amount of engineering data throughout the lifecycle of a building.The author also compares BIM technology with two-dimensional CAD technology,and demonstrates the advantages and characteristics of intelligent parametric modeling technology.Building information modeling,which is based on intelligent parametric modeling technology,will certainly replace traditional computer aided architectural design and become the new driving force to push forward China's building industry in this information age.

  12. Strategic framework and methodical bases of technological package development management

    Directory of Open Access Journals (Sweden)

    A.Ye. Artyukhov

    2016-09-01

    Full Text Available The aim of the article. The article deals with the problem of technological package management. Based on the concept of integrated innovation we consider the evolutionary approach for technology package management. Directions of evaluation process of package are presented. Scheme of improving of technological package is proposed. The process of technological package development is considered in case of development of granulation equipment that includes a variety of technologies, which are incorporated into the technological package “Granulator”. For technological package development the technology package lifecycle, technology map of package and technology trajectory are interrelated considered. The results of the analysis. The technology package we propose to consider as a kind of system, the development of which is evolutionary. According to UNIDO recommendations [8] analysis of acceptability of technology includes an assessment of technical and economic features of technology package in context of production in national environment. As a basic tool of technology package development authors propose to consider technology transfer as part of integrated innovation approach. Enterprises of modern sectors, especially high-tech, at the same time use a large number of technologies, distributed according to functional application, but only some of these technologies are critical in terms of specialization. Therefore, for management technology package authors propose to divide into the classes with appropriate management instruments (optimization object and development strategy. The authors investigated such key product indicators of granulation systems technological trajectory analysis: – dimensions and performance, reliability and ease of operation; – product criterias; – versatility – one granulator may be established to work with different performance and wide range of products; – ecological purity – waste formation during

  13. Coherent efforts in relation to COPD patients with special emphasis on the quality and technological solutions

    DEFF Research Database (Denmark)

    Bagger, Bettan; Vestergaard*, Kitt; Andresen, Mette

    2014-01-01

    with respect to COPD patients. National Board of Health has produced series of recommendations to ensure quality based among others on The Chronic Care Model. But how do COPD patients and health professionals define quality themselves in daily life? University College Zealand and COPD Competence Center......, Hospital Naestved investigate COPD patients’ and health professionals’ perspectives with respect to their assessments of quality in clinical pathways and daily life focusing on clinical pathways, interdisciplinary sharing of knowledge and use of technology. Identification of parameters will be important...... insights in developing new ways of interconnections between key players in strengthening quality and consistency of patient care in pathways between sectors for the COPD patient. Aims: - To explore parameters for quality focusing on clinical pathways, competencies and daily life with respect to COPD...

  14. Technology Solutions Case Study: Optimizing Hydronic System Performance in Residential Applications, Ithaca, New York

    Energy Technology Data Exchange (ETDEWEB)

    None

    2013-11-01

    Condensing boiler technology has been around for many years and has proven to be a durable, reliable method of heating. Based on previous research efforts, however, it is apparent that these types of systems are not designed and installed to achieve maximum efficiency. For example, in order to protect their equipment in the field, manufacturers of low-mass condensing boilers typically recommend design strategies and components that ensure steady, high flow rates through the heat exchangers, such as primary-secondary piping, which ultimately result in decreased efficiency. There is also a significant lack of information for contractors on how to configure these systems to optimize overall efficiency. In response to these findings, researchers from Building America team Consortium for Advanced Residential Buildings worked with industry partners to develop hydronic system designs that would address these issues and result in higher overall system efficiencies and improved response times.

  15. Image Restoration Technology Based on Discrete Neural network

    Directory of Open Access Journals (Sweden)

    Zhou Duoying

    2015-01-01

    Full Text Available With the development of computer science and technology, the development of artificial intelligence advances rapidly in the field of image restoration. Based on the MATLAB platform, this paper constructs a kind of image restoration technology of artificial intelligence based on the discrete neural network and feedforward network, and carries out simulation and contrast of the restoration process by the use of the bionic algorithm. Through the application of simulation restoration technology, this paper verifies that the discrete neural network has a good convergence and identification capability in the image restoration technology with a better effect than that of the feedforward network. The restoration technology based on the discrete neural network can provide a reliable mathematical model for this field.

  16. Sustainable Solution for Crude Oil and Natural Gas Separation using Concentrated Solar Power Technology

    Science.gov (United States)

    Choudhary, Piyush; Srivastava, Rakesh K.; Nath Mahendra, Som; Motahhir, Saad

    2017-08-01

    In today’s scenario to combat with climate change effects, there are a lot of reasons why we all should use renewable energy sources instead of fossil fuels. Solar energy is one of the best options based on features like good for the environment, independent of electricity prices, underutilized land, grid security, sustainable growth, etc. This concept paper is oriented primarily focused on the use of Solar Energy for the crude oil heating purpose besides other many prospective industrial applications to reduce cost, carbon footprint and moving towards a sustainable and ecologically friendly Oil & Gas Industry. Concentrated Solar Power technology based prototype system is proposed to substitute the presently used system based on natural gas burning method. The hybrid system which utilizes the solar energy in the oil and gas industry would strengthen the overall field working conditions, safety measures and environmental ecology. 40% reduction on natural gas with this hybrid system is estimated. A positive implication for an environment, working conditions and safety precautions is the additive advantage. There could also decrease air venting of CO2, CH4 and N2O by an average of 30-35%.

  17. The emergence of new technology-based industries: the case of fuel cells and its technological relatedness to regional knowledge bases

    DEFF Research Database (Denmark)

    Tanner, Anne Nygaard

    2016-01-01

    to emerging radical technologies that create the foundation for new industries. The article develops a new measure for technological relatedness between the knowledge base of a region and that of a radical technology based on patent classes. It demonstrates that emerging fuel cell technology develops where...... the regional knowledge base is technologically related to that of fuel cells and consequently confirms the evolutionary thesis....

  18. Competence Models in Technology-enhanced Competence-based Learning

    NARCIS (Netherlands)

    Sampson, Demetrios; Fytros, Demetrios

    2008-01-01

    Please cite as: Sampson, D., & Fytros, D. (2008). Competence Models in Technology-enhanced Competence-based Learning. In H. H. Adelsberger, Kinshuk, J. M. Pawlowski & D. Sampson (Eds.), International Handbook on Information Technologies for Education and Training, 2nd Edition, Springer, June 2008

  19. Competence Models in Technology-enhanced Competence-based Learning

    NARCIS (Netherlands)

    Sampson, Demetrios; Fytros, Demetrios

    2008-01-01

    Please cite as: Sampson, D., & Fytros, D. (2008). Competence Models in Technology-enhanced Competence-based Learning. In H. H. Adelsberger, Kinshuk, J. M. Pawlowski & D. Sampson (Eds.), International Handbook on Information Technologies for Education and Training, 2nd Edition, Springer, June 2008

  20. Advanced Technology-Based Low Cost Mars Sample Return Missions

    Science.gov (United States)

    Wallace, R. A.; Gamber, R. T.; Clark, B. C.

    1995-01-01

    Mars Sample Return (MSR) has for many years been considered one of the most ambitious as well as most scientifically interesting of the suite of desired future planetary missions. This paper defines low- cost MSR mission concepts based on several exciting new technologies planned for space missions launching over the next 10 years. Key to reducing cost is use of advanced spacecraft & electronics technology.

  1. CNPC Bases Its International Competitiveness on Technological Creation

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    @@ Based on development of five decades, China National Petroleum Corporation (CNPC) has developed its own petroleum scientific theories and advanced applicable petroleum technologies to back China's oil industrial development. Meanwhile, CNPC depends on those theories and technologies to raise its international competitiveness, accelerating implementation of the multi-national operation strategy.

  2. STEM-Based Computational Modeling for Technology Education

    Science.gov (United States)

    Clark, Aaron C.; Ernst, Jeremy V.

    2008-01-01

    According to professionals in education, change is an ever-present and evolving process. With transformation in education at both state and national levels, technology education must determine a position in this climate of change. This paper reflects the views on the future of technology education based on an ongoing research project. The purpose…

  3. Investigating Modern Communication Technologies: The effect of Internet-based Communication Technologies on the Investigation Process

    Directory of Open Access Journals (Sweden)

    Matthew Phillip Simon

    2011-12-01

    Full Text Available Communication technologies are commonplace in modern society. For many years there were only a handful of communication technologies provided by large companies, namely the Public Switched Telephone Network (PSTN and mobile telephony; these can be referred to as traditional communication technologies. Over the lifetime of traditional communication technologies has been little technological evolution and as such, law enforcement developed sound methods for investigating targets using them. With the advent of communication technologies that use the Internet – Internet-based or contemporary communication technologies – law enforcement are faced with many challenges. This paper discusses these challenges and their potential impact. It first looks at what defines the two technologies then explores the laws and methods used for their investigation. It then looks at the issues of applying the current methodologies to the newer and fundamentally different technology. The paper concludes that law enforcement will be required to update their methods in order to remain effective against the current technology trends.

  4. Interventions (Solutions) Usage and Expertise in Performance Technology Practice: An Empirical Investigation

    Science.gov (United States)

    Van Tiem, Darlene M.

    2004-01-01

    Performance technology (PT) is complex, drawing theory from instructional design, organizational development, communications, industrial psychology, and industrial engineering to name a few. The Standards of Performance Technology developed for the certified performance technology designation codified the processes used in the practice of…

  5. Optical microsystems based on a nanomaterial technology

    Energy Technology Data Exchange (ETDEWEB)

    De Stefano, L [National Council of Research-Institute for Microelectronic and Microsystems-Department of Naples, Via P Castellino 111, 80131 Naples (Italy); Rotiroti, L [National Council of Research-Institute for Microelectronic and Microsystems-Department of Naples, Via P Castellino 111, 80131 Naples (Italy); Rea, I [National Council of Research-Institute for Microelectronic and Microsystems-Department of Naples, Via P Castellino 111, 80131 Naples (Italy); Iodice, M [National Council of Research-Institute for Microelectronic and Microsystems-Department of Naples, Via P Castellino 111, 80131 Naples (Italy); Rendina, I [National Council of Research-Institute for Microelectronic and Microsystems-Department of Naples, Via P Castellino 111, 80131 Naples (Italy)

    2007-10-03

    In this work, we present an optical sensor for quantitative determination of the alcohol content in hydro-alcohol mixtures, realized by using porous silicon (PSi) nanotechnology. The device is an oxidized PSi micro-cavity (PSMC) constituted by a Fabry-Perot layer between two distributed Bragg reflectors. Due to the capillary condensation, a red shift of the PSMC reflectivity spectrum is observed on exposure to vapour mixtures. The phenomenon is completely reversible. Moreover, to reduce the analysis time, we have designed the integration of the sensor in a thermally controlled lab-on-chip, by merging PSi and anodic bonding technologies. Numerical calculations have been performed to study the thermal behaviour of the integrated device.

  6. A novel wound rinsing solution based on nano colloidal silver

    Directory of Open Access Journals (Sweden)

    Soheila Kordestani

    2014-10-01

    Full Text Available Objective(s: The present study aimed to investigate the antiseptic properties of a colloidal nano silver wound rinsing solution to inhibit a wide range of pathogens including bacteria, viruses and fungus present in chronic and acute wounds. Materials and Methods:The wound rinsing solution named SilvoSept® was prepared using colloidal nano silver suspension. Physicochemical properties, effectiveness against microorganism including  Staphylocoocous aureus ATCC 6538P, Pseudomonas aeruginosa ATCC 9027, Escherichia coli ATCC 8739 ,Candida albicans ATCC 10231, Aspergillus niger ATCC 16404, MRSA , Mycobacterium spp. , HSV-1 and H1N1, and biocompatibility tests were carried out according to relevant standards . Results: X-ray diffraction (XRD scan was performed on the sample and verify single phase of silver particles in the compound. The size of the silver particles in the solution, measured by dynamic light scattering (DLS techniqu, ranged 80-90 nm. Transmission electron microscopy (TEM revealed spherical shape with smooth surface of the silver nanoparticles. SilvoSept® reduced 5 log from the initial count of 107 CFU/mL of Staphylocoocous aureus ATCC 6538P, Pseudomonas aeruginosa ATCC 9027, Escherichia coli ATCC 8739, Candida albicans ATCC 10231, Aspergillus niger ATCC 16404, MRSA, Mycobacterium spp. Further assessments of SilvoSept solution exhibited a significant inhibition on the replication of HSV-1 and H1N1. The biocompatibility studies showed that the solution was non-allergic, non-irritant and noncytotoxic. Conclusion: Findings of the present study showed that SilvoSept® wound rinsing solution containing nano silver particles is an effective antiseptic solution against a wide spectrum of microorganism. This compound can be a suitable candidate for wound irrigation.   

  7. Web Based Technologies to Support High Level Process Maturity

    Directory of Open Access Journals (Sweden)

    A. V. Sharmila

    2013-07-01

    Full Text Available This paper discusses the uses of Web based Technologies to support High Level Process Maturity in an organization. It also provides an overview of CMMI, focusing on the importance of centralized data storage and data access for sustaining high maturity levels of CMMI. Further, elaboration is made on the web based technology, stressing that change over to Web Based Application is extremely helpful to maintain the centralized data repository, to collect data for process capability baseline, and to track process performance management, with reduced maintenance effort and ease of data access. A case study analysis of advantages of adopting Web Based Technology is also narrated. Finally the paper concludes that the sustenance of High level Process maturity can be achieved by adopting web application technology.

  8. utilization of sweetpotato based confection technology

    African Journals Online (AJOL)

    oma

    of products, product output, prices, marketing channels, trade partners, ownership structure. ... The wood based industry in sub-Sahara Africa contributed to the mainstay of the economy of the .... unavailability and high cost of raw materials.

  9. Labview Based ECG Patient Monitoring System for Cardiovascular Patient Using SMTP Technology.

    Science.gov (United States)

    Singh, Om Prakash; Mekonnen, Dawit; Malarvili, M B

    2015-01-01

    This paper leads to developing a Labview based ECG patient monitoring system for cardiovascular patient using Simple Mail Transfer Protocol technology. The designed device has been divided into three parts. First part is ECG amplifier circuit, built using instrumentation amplifier (AD620) followed by signal conditioning circuit with the operation amplifier (lm741). Secondly, the DAQ card is used to convert the analog signal into digital form for the further process. Furthermore, the data has been processed in Labview where the digital filter techniques have been implemented to remove the noise from the acquired signal. After processing, the algorithm was developed to calculate the heart rate and to analyze the arrhythmia condition. Finally, SMTP technology has been added in our work to make device more communicative and much more cost-effective solution in telemedicine technology which has been key-problem to realize the telediagnosis and monitoring of ECG signals. The technology also can be easily implemented over already existing Internet.

  10. Web-Based Information Extraction Technology

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    Information extraction techniques on the Web are the current research hotspot. Now many information extraction techniques based on different principles have appeared and have different capabilities. We classify the existing information extraction techniques by the principle of information extraction and analyze the methods and principles of semantic information adding, schema defining,rule expression, semantic items locating and object locating in the approaches. Based on the above survey and analysis,several open problems are discussed.

  11. Iris Identification Technology Based on Multiwavelets

    Institute of Scientific and Technical Information of China (English)

    Wei Lian-xin; Ma Fu-ming; Xu Tao; Li Zhi-hui; Wu Deng-feng

    2005-01-01

    A new method for iris identification based on multiwavelets is proposed. By means of the properties of multiwavelets,such as orthogonality, symmetry, vanishing moments and approximation order, the iris texture can be simply presented. A brief overview of muhiwavelets is presented at first. Iris identification system and iris texture feature presentation and recognition based on multiwavelets are introduced subsequently. And the experiment indicates the validity of this method finally.

  12. New solutions for industrial inspection based on 3D computer tomography

    Science.gov (United States)

    Kroll, Julia; Effenberger, Ira; Verl, Alexander

    2008-04-01

    In recent years the requirements of industrial applications relating to image processing have significantly increased. According to fast and modern production processes and optimized manufacturing of high quality products, new ways of image acquisition and analysis are needed. Here the industrial computer tomography (CT) as a non-destructive technology for 3D data generation meets this challenge by offering the possibility of complete inspection of complex industrial parts with all outer and inner geometric features. Consequently CT technology is well suited for different kinds of industrial image-based applications in the field of quality assurance like material testing or first article inspection. Moreover surface reconstruction and reverse engineering applications will benefit from CT. In this paper our new methods for efficient 3D CT-image processing are presented. This includes improved solutions for 3D surface reconstruction, innovative approaches of CAD-based segmentation in the CT volume data and the automatic geometric feature detection in complex parts. However the aspect of accuracy is essential in the field of metrology. In order to enhance precision the CT sensor can be combined with other, more accurate sensor systems generating measure points for CT data correction. All algorithms are applied to real data sets in order to demonstrate our tools.

  13. Technology status of HNF-based monopropellants for satellite propulsion

    NARCIS (Netherlands)

    Marée, A.G.M.; Moerel, J.L.P.A.; Weiland-Veltmans, W.H.M.; Wierkx, F.J.M.; Zevenbergen, J.

    2004-01-01

    This paper reports on significant technological progress made over the last few years in determining the feasibility of HNF-based monopropellants. An HNF-based monopropellant is an interesting alternative for hydrazine as monopropellant for satellite propulsion. New non-toxic monopropellants based o

  14. Technology status of HNF-based monopropellants for satellite propulsion

    NARCIS (Netherlands)

    Marée, A.G.M.; Moerel, J.L.P.A.; Weiland-Veltmans, W.H.M.; Wierkx, F.J.M.; Zevenbergen, J.

    2004-01-01

    This paper reports on significant technological progress made over the last few years in determining the feasibility of HNF-based monopropellants. An HNF-based monopropellant is an interesting alternative for hydrazine as monopropellant for satellite propulsion. New non-toxic monopropellants based o

  15. Meshless RBF based pseudospectral solution of acoustic wave equation

    CERN Document Server

    Mishra, Pankaj K

    2015-01-01

    Chebyshev pseudospectral (PS) methods are reported to provide highly accurate solution using polynomial approximation. Use of polynomial basis functions in PS algorithms limits the formulation to univariate systems constraining it to tensor product grids for multi-dimensions. Recent studies have shown that replacing the polynomial by radial basis functions in pseudospectral method (RBF-PS) has the advantage of using irregular grids for multivariate systems. A RBF-PS algorithm has been presented here for the numerical solution of inhomogeneous Helmholtz's equation using Gaussian RBF for derivative approximation. Efficacy of RBF approximated derivatives has been checked through error analysis comparison with PS method. Comparative study of PS, RBF-PS and finite difference approach for the solution of a linear boundary value problem has been performed. Finally, a typical frequency domain acoustic wave propagation problem has been solved using Dirichlet boundary condition and a point source. The algorithm present...

  16. Similarity-Based Solution of the Generalized Boussinesq Equation

    Science.gov (United States)

    Olsen, J. S.; Mortensen, J.; Telyakovskiy, A. S.; Wheatcraft, S. W.

    2013-12-01

    The generalized Boussinesq equation is a nonlinear diffusion equation where hydraulic conductivity is a power-law function of hydraulic head. In the traditional Boussinesq equation it is a linear function of hydraulic head. The generalized Boussinesq equation models flows of gases through porous media and flows of water in forest soils and concretes. Also, when the hydraulic conductivity is a power-law function of elevation we obtain this equation. We model a one-dimensional semi-infinite initially empty aquifer with boundary conditions at the inlet in rectangular coordinates. We introduce similarity variables to reduce the initial-boundary value problem to a boundary value problem for a nonlinear ordinary differential equation. We construct an approximate solution that preserves certain properties of the true solution and replicated known exact solutions.

  17. Community-based telemonitoring for hypertension management: practical challenges and potential solutions.

    Science.gov (United States)

    Hovey, Lauren; Kaylor, Mary Beth; Alwan, Majd; Resnick, Helaine E

    2011-10-01

    Older adults residing in rural areas often lack convenient, patient-centered, community-based approaches to facilitate receipt of routine care to manage common chronic conditions. Without adequate access to appropriate disease management resources, the risk of seniors' experiencing acute events related to these common conditions increases substantially. Further, poorly managed chronic conditions are costly and place seniors at increased risk of institutionalization and permanent loss of independence. Novel, telehealth-based approaches to management of common chronic conditions like hypertension may not only improve the health of older adults, but may also lead to substantial cost savings associated with acute care episodes and institutionalization. The aim of this report is to summarize practical considerations related to operations and logistics of a unique community-based telemonitoring pilot study targeting rural seniors who utilize community-based senior centers. This article reviews the technological challenges encountered during the study and proposes solutions relevant to future research and implementation of telehealth in community-based, congregate settings.

  18. Interferometer -based Technology for Optical Nanoscale Inspection

    Directory of Open Access Journals (Sweden)

    Ryabko M.

    2014-02-01

    Full Text Available We demonstrate the interferometer-based approach for nanoscale grating Critical Dimension (CD measurements and prove the possibility to achieve no worse than 10 nm accuracy of measurements for 100 nm pitch gratings. The approach is based on phase shift measurement of light fields specularly reflected from periodical pattern and adjacent substrate with subsequent comparison between experimental and simulation results. RCWA algorithm is used to fit the measured results and extract the CD value. It is shown that accuracy of CD value measurement depends rather on the grating’s CD/pitch ratio than its CD value

  19. A novel solution for car traffic control based on radiometric microwave devices

    Science.gov (United States)

    Soldovieri, Francesco; Denisov, Alexander; Speziale, Victor

    2014-05-01

    The significant problem of traffic in big cities, connected with huge and building up quantity of automobile cars, demands for novel strategies, based on nonconventional solutions, in order to improve system traffic control, especially at crossroads. As well known, the usual solution is based on the time relay, which requires the installation of a fixed traffic interval (signal light switching) at a crossroad; this solution is low cost, but does not account for the actual traffic conditions. Therefore, in the recent years, attention is towards to new designs, where the monitoring of the and control of traffic is carried out by using various methods including, optical, the infrared, magnetic, radar tracking, acoustical ones. In this work, we discuss the deployment of high sensitivity radiometric systems and radiometers(sensor) in the microwave range [1, 2]. In fact, the radiometer as "sensor" can provide an always updated information about the car traffic in any weather condition and in absence or low visibility conditions. In fact, the radiometric sensor detects the cars thanks to the different behavior of the car roofs which reflect the cold sky whereas the road asphalt is visible as warm object (at around outside temperature). [1] A. G. Denisov, V. P. Gorishnyak, S. E. Kuzmin et al., "Some experiments concerning resolution of 32 sensors passive 8mm wave imaging system," in Proceedings of the International Symposium on Space Terahertz Technology (ISSTT '09), Charlottesville, Va, USA, April 2009. [2] F. Soldovieri, A. Natale, V. Gorishnyak, A. Pavluchenko, A. Denisov, and L. Chen, "Radiometric Imaging for Monitoring and Surveillance Issues," International Journal of Antennas and Propagation, vol. 2013, Article ID 272561, 8 pages, 2013. doi:10.1155/2013/272561.

  20. Technology and Problem-Based Learning

    Science.gov (United States)

    Uden, Lorna; Beaumont, Chris

    2006-01-01

    Problem-based learning (PBL) has been the focus of many developments in teaching and learning facilitation in recent years. It has been claimed that PBL produces independent learners who are motivated, engaged in deep learning, work as a team, and develop effective strategies, skills and knowledge for life-long learning and professional work.…

  1. Research on mobile electronic commerce security technology based on WPKI

    Science.gov (United States)

    Zhang, Bo

    2013-07-01

    Through the in-depth study on the existing mobile e-commerce and WAP protocols, this paper presents a security solution of e-commerce system based on WPKI, and describes its implementation process and specific implementation details. This solution uniformly distributes the key used by the various participating entities , to fully ensure the confidentiality, authentication, fairness and integrity of mobile e-commerce payments, therefore has some pract ical value for improving the security of e-commerce system.

  2. A cellular-based solution for radio communications in MOUT

    NARCIS (Netherlands)

    Overduin, R.

    2005-01-01

    A short-term and potentially cost-effective solution is proposed for tactical radio communications in Military Operations in Urban Terrain (MOUT) for the Royal Netherlands Army (RNLA). Measurements and computer simulations presented show that on average, outdoor ranges in MOUT as attainable with

  3. A cellular-based solution for radio communications in MOUT

    NARCIS (Netherlands)

    Overduin, R.

    2005-01-01

    A short-term and potentially cost-effective solution is proposed for tactical radio communications in Military Operations in Urban Terrain (MOUT) for the Royal Netherlands Army (RNLA). Measurements and computer simulations presented show that on average, outdoor ranges in MOUT as attainable with RNL

  4. Krishi-Services-Web Services Based solution for agricultural issues

    Directory of Open Access Journals (Sweden)

    Deepanshi Garg

    2013-06-01

    Full Text Available Web Service is an emerging technology for the agricultural field to improve crop productivity in aspect of quality and quantity. India is known as an agricultural country and majority of Indian population lives in rural areas. The Indian Farmers are facing a lot of difficulties to increase production of crops. Now a day lots ofresearch has been done in this area, but still farmers are unable to achieve upper-bound yield due to lack of knowledge about this research. So to overcome this problem we are proposing a novel framework that is “Krishi-Services” to make various services and information available at their door steps. For the development of country and the betterment of rural people in the remote area, we are using information technology to collect information from various online sources and thereby making farmers aware of recent technologies.

  5. SEMICONDUCTOR TECHNOLOGY: GaAs surface wet cleaning by a novel treatment in revolving ultrasonic atomization solution

    Science.gov (United States)

    Zaijin, Li; Liming, Hu; Ye, Wang; Ye, Yang; Hangyu, Peng; Jinlong, Zhang; Li, Qin; Yun, Liu; Lijun, Wang

    2010-03-01

    A novel process for the wet cleaning of GaAs surface is presented. It is designed for technological simplicity and minimum damage generated within the GaAs surface. It combines GaAs cleaning with three conditions consisting of (1) removal of thermodynamically unstable species and (2) surface oxide layers must be completely removed after thermal cleaning, and (3) a smooth surface must be provided. Revolving ultrasonic atomization technology is adopted in the cleaning process. At first impurity removal is achieved by organic solvents; second NH4OH:H2O2:H2O = 1:1:10 solution and HCl: H2O2:H2O = 1:1:20 solution in succession to etch a very thin GaAs layer, the goal of the step is removing metallic contaminants and forming a very thin oxidation layer on the GaAs wafer surface; NH4OH:H2O = 1:5 solution is used as the removed oxide layers in the end. The effectiveness of the process is demonstrated by the operation of the GaAs wafer. Characterization of the oxide composition was carried out by X-ray photoelectron spectroscopy. Metal-contamination and surface morphology was observed by a total reflection X-ray fluorescence spectroscopy and atomic force microscope. The research results show that the cleaned surface is without contamination or metal contamination. Also, the GaAs substrates surface is very smooth for epitaxial growth using the rotary ultrasonic atomization technology.

  6. A mobile indoor positioning system based on iBeacon technology.

    Science.gov (United States)

    Lin, Xin-Yu; Ho, Te-Wei; Fang, Cheng-Chung; Yen, Zui-Shen; Yang, Bey-Jing; Lai, Feipei

    2015-01-01

    To increase the efficiency in the emergency room, the goal of this research is to implement a mobile-based indoor positioning system using mobile applications (APP) with the iBeacon solution based on the Bluetooth Low Energy (BLE) technology. We use the Received Signal Strength (RSS) based localization method to estimate the patients' locations. Our positioning algorithm achieves 97.22% (95% Confidence Interval = 95.90% - 98.55%) accuracy of classification. As the result, our mechanism is reliable enough to satisfy the need for medical staff to track the locations of their patients.

  7. A Comprehensive Study on Technologies of Tyre Monitoring Systems and Possible Energy Solutions

    Directory of Open Access Journals (Sweden)

    Ali E. Kubba

    2014-06-01

    Full Text Available This article presents an overview on the state of the art of Tyre Pressure Monitoring System related technologies. This includes examining the latest pressure sensing methods and comparing different types of pressure transducers, particularly their power consumption and measuring range. Having the aim of this research to investigate possible means to obtain a tyre condition monitoring system (TCMS powered by energy harvesting, various approaches of energy harvesting techniques were evaluated to determine which approach is the most applicable for generating energy within the pneumatic tyre domain and under rolling tyre dynamic conditions. This article starts with an historical review of pneumatic tyre development and demonstrates the reasons and explains the need for using a tyre condition monitoring system. Following this, different tyre pressure measurement approaches are compared in order to determine what type of pressure sensor is best to consider in the research proposal plan. Then possible energy harvesting means inside land vehicle pneumatic tyres are reviewed. Following this, state of the art battery-less tyre pressure monitoring systems developed by individual researchers or by world leading tyre manufacturers are presented. Finally conclusions are drawn based on the reviewed documents cited in this article and a research proposal plan is presented.

  8. A comprehensive study on technologies of tyre monitoring systems and possible energy solutions.

    Science.gov (United States)

    Kubba, Ali E; Jiang, Kyle

    2014-06-11

    This article presents an overview on the state of the art of Tyre Pressure Monitoring System related technologies. This includes examining the latest pressure sensing methods and comparing different types of pressure transducers, particularly their power consumption and measuring range. Having the aim of this research to investigate possible means to obtain a tyre condition monitoring system (TCMS) powered by energy harvesting, various approaches of energy harvesting techniques were evaluated to determine which approach is the most applicable for generating energy within the pneumatic tyre domain and under rolling tyre dynamic conditions. This article starts with an historical review of pneumatic tyre development and demonstrates the reasons and explains the need for using a tyre condition monitoring system. Following this, different tyre pressure measurement approaches are compared in order to determine what type of pressure sensor is best to consider in the research proposal plan. Then possible energy harvesting means inside land vehicle pneumatic tyres are reviewed. Following this, state of the art battery-less tyre pressure monitoring systems developed by individual researchers or by world leading tyre manufacturers are presented. Finally conclusions are drawn based on the reviewed documents cited in this article and a research proposal plan is presented.

  9. Cantilever-Based Biosensors in CMOS Technology

    CERN Document Server

    Kirstein, K -U; Zimmermann, M; Vancura, C; Volden, T; Song, W H; Lichtenberg, J; Hierlemannn, A

    2011-01-01

    Single-chip CMOS-based biosensors that feature microcantilevers as transducer elements are presented. The cantilevers are functionalized for the capturing of specific analytes, e.g., proteins or DNA. The binding of the analyte changes the mechanical properties of the cantilevers such as surface stress and resonant frequency, which can be detected by an integrated Wheatstone bridge. The monolithic integrated readout allows for a high signal-to-noise ratio, lowers the sensitivity to external interference and enables autonomous device operation.

  10. Bringing technology to students’ proximity: a sociocultural account of technology-based learning projects

    OpenAIRE

    Evode Mukama

    2014-01-01

    This paper depicts a study carried out in Rwanda concerning university students who participated in a contest to produce short documentary films. The purpose of this research is to conceptualize these kinds of technology-based learning projects (TBLPs) through a sociocultural perspective. The methodology included focus-group discussions and field notes to collect empirical data. The findings reveal that the more educational technologies capture objects of learning positioned in the students’ ...

  11. Information and communication technology-based cardiac rehabilitation homecare programs

    Directory of Open Access Journals (Sweden)

    Varnfield M

    2015-04-01

    Full Text Available Marlien Varnfield, Mohanraj KarunanithiAustralian eHealth Research Centre, Commonwealth Scientific and Industrial Research Organization, Royal Brisbane and Women's Hospital, Brisbane, AustraliaAbstract: Cardiac rehabilitation (CR has, for many years, been a highly recommended approach to secondary prevention for patients recovering after a heart attack or heart surgery. These programs are traditionally delivered from a hospital outpatient center. Despite demonstrated benefits and guideline recommendations, CR utilization has been poor, particularly in women, older patients, and ethnic minority groups. To overcome some of the barriers to the traditional delivery of CR, different delivery platforms and approaches have been developed in recent years. In general, Telehealth solutions which have been used to address the delivery of CR services remotely include: 1 patient–provider contact delivered by telephone systems; 2 the Internet, with the majority of patient–provider contact for risk factor management taking place online; and 3 interventions using Smartphones as tools to deliver CR through (independently or in combination with short message service messaging, journaling applications, connected measurement devices, and remote coaching. These solutions have been shown to overcome some of the barriers in CR participation and show potential as alternative or complementary options for individuals that find traditional center-based CR programs difficult to commit to. The major benefits of remote platforms for CR delivery are the ability to deliver these interventions without ongoing face-to-face contact, which provides an opportunity to reach large numbers of people, and the convenience of selecting the timing of cardiovascular disease management sessions. Furthermore, technologies have the potential to deliver long-term follow-up, which programs delivered by health professionals cannot afford to do due to staff shortages and budget restrictions

  12. Phosphorus recovery by one or two-step technology with use of acids and bases

    Energy Technology Data Exchange (ETDEWEB)

    Stark, Kristina; Hultman, Bengt

    2003-07-01

    The method of using sludge fractionation is considered to be a sustainable solution where the sludge is seen as the raw material from which products are recovered. This paper will present solutions of advanced technology system for a large wastewater treatment plant. Use of enhanced biological phosphorus removal and fractionation of the sludge in two stages is advantageous both with respect to low necessary chemical and energy demands and recovery efficiency. Phosphorous recovery may be based on one- or two-step technology. Experimental studies have shown that it is possible to recover phosphorus from sludge by the combination of supercritical water oxidation process and alkaline leaching. When the concentration of sodium hydroxide is around 1 M, approximate 50 % of total phosphorus is recovered in room temperature. Meanwhile, over 98 % of the soluble phosphorus is recovered from the liquid phase by adding calcium chloride (CaCl{sub 2}). (author)

  13. Using Raster Based Solutions to Identify Spatial Economic Agglomerations

    Directory of Open Access Journals (Sweden)

    Marian DARDALA

    2013-01-01

    Full Text Available The efficient economic activities incline to be concentrated in space, and therefore there is an increased attention over the forces of spatial economic agglomerations and the role of location in economic development. This paper proposes some solutions to automate the identification of spatial agglomerations and their intensities, function on the spatial distribution of items in the geographical areas. The software components developed to accomplish this task are Geographic Information Systems specific tools.

  14. An efficient solution to Web server based automatic packaging

    Institute of Scientific and Technical Information of China (English)

    JIANG Jian-ping; DING Xing-miao

    2004-01-01

    The manfully packaging the content of the web server for down loading is much inefficient.The paper introduced a Web server agent for packaging automitization, which makes self-organization of the content of the pages and free the site administrator from the heavy burden of the manually packaging the web pages downloaded by web browsers. An example was illustrated to show the details of the solution, which was implemented in J2EE architecture.

  15. A New IMS Based Inter-working Solution

    Science.gov (United States)

    Zhu, Zhongwen; Brunner, Richard

    With the evolution of third generation network, more and more multimedia services are developed and deployed. Any new service to be deployed in IMS network is required to inter-work with existing Internet communities or legacy terminal users in order to appreciate the end users, who are the main drivers for the service to succeed. The challenge for Inter-working between IMS (IP Multimedia Subsystem) and non-IMS network is “how to handle recipient’s address”. This is because each network has its own routable address schema. For instance, the address for Google Talk user is xmpp:xyz@google.com, which is un-routable in IMS network. Hereafter a new Inter-working (IW) solution between IMS and non-IMS network is proposed for multimedia services that include Instant Messaging, Chat, and File transfer, etc. It is an end-to-end solution built on IMS infrastructure. The Public Service Identity (PSI) defined in 3GPP standard (3rd Generation Partnership Project) is used to allow terminal clients to allocate this IW service. When sending the SIP (Session Initial Protocol) request out for multimedia services, the terminal includes the recipient’s address in the payload instead of the “Request-URI” header. In the network, the proposed solution provides the mapping rules between different networks in MM-IW (Multimedia IW). The detailed technical description and the corresponding use cases are present. The comparison with other alternatives is made. The benefits of the proposed solution are highlighted.

  16. A routing-based solution to simulating an access point

    OpenAIRE

    Collins, Wayne E.

    1999-01-01

    Military environments require flexible network configurations that must adapt under dynamic and mobile operating conditions. Wireless data networks offer some solutions. A wireless network typically requires an access point to bridge network traffic between wireless and wired media. These devices though are often too inflexible for use in such dynamic conditions. One major problem is that they are dedicated to a single type of wired network, usually Ethernet, which prevents them from being us...

  17. Lactated Ringer-based storage solutions are equally well suited for the storage of fresh osteochondral allografts as cell culture medium-based storage solutions.

    Science.gov (United States)

    Harb, Afif; von Horn, Alexander; Gocalek, Kornelia; Schäck, Luisa Marilena; Clausen, Jan; Krettek, Christian; Noack, Sandra; Neunaber, Claudia

    2017-07-01

    Due to the rising interest in Europe to treat large cartilage defects with osteochondrale allografts, research aims to find a suitable solution for long-term storage of osteochondral allografts. This is further encouraged by the fact that legal restrictions currently limit the use of the ingredients from animal or human sources that are being used in other regions of the world (e.g. in the USA). Therefore, the aim of this study was A) to analyze if a Lactated Ringer (LR) based solution is as efficient as a Dulbecco modified Eagle's minimal essential medium (DMEM) in maintaining chondrocyte viability and B) at which storage temperature (4°C vs. 37°C) chondrocyte survival of the osteochondral allograft is optimally sustained. 300 cartilage grafts were collected from knees of ten one year-old Black Head German Sheep. The grafts were stored in four different storage solutions (one of them DMEM-based, the other three based on Lactated Ringer Solution), at two different temperatures (4 and 37°C) for 14 and 56days. At both points in time, chondrocyte survival as well as death rate, Glycosaminoglycan (GAG) content, and Hydroxyproline (HP) concentration were measured and compared between the grafts stored in the different solutions and at the different temperatures. Independent of the storage solutions tested, chondrocyte survival rates were higher when stored at 4°C compared to storage at 37°C both after short-term (14days) and long-term storage (56days). At no point in time did the DMEM-based solution show a superior chondrocyte survival compared to lactated Ringer based solution. GAG and HP content were comparable across all time points, temperatures and solutions. LR based solutions that contain only substances that are approved in Germany may be just as efficient for storing grafts as the USA DMEM-based solution gold standard. Moreover, in the present experiment storage of osteochondral allografts at 4°C was superior to storage at 37°C. Copyright © 2017

  18. A Comprehensive Surface Mount Technology Solution for Integrated Circuits onto Flexible Screen Printed Electrical Interconnects

    Science.gov (United States)

    2014-05-19

    16 IV. Surface Mount Technolgy Solution: Methods of Reliability Testing...Rodolfo Milito, Jiang Zhu and Sateesh Addepalli, “Fog computing and its role in the internet of things”, in Proceedings of the MCC workshop on Mobile

  19. Technological Solutions to Social and Citizen Problems. The Case of Civic and Public Challenges in Mexico

    National Research Council Canada - National Science Library

    Martin Adalberto TENA-ESPINOZA-DE-LOS-MONTEROS

    2017-01-01

    ... society’s organization Codeando México suggests for the attention and solution of social and civic problems in Mexico. The Retos Cívicos (Civic Challenges) and Retos Públicos (Public Challenges...

  20. Use of multimedia technology to provide solutions to existing curriculum problems: Virtual frog dissection

    Science.gov (United States)

    Youngblut, Christine

    The objective of this research was to determine whether currently available multimedia technology can resolve existing problems in the K--12 science curriculum. There are several practical and ethical problems relating to the classroom use of animal dissection and this led to the selection of hands-on frog dissection as the curriculum activity where the use of multimedia was investigated. The major finding was that multimedia-based virtual dissection was more effective than hands-on dissection in helping students learn about frog anatomy. Moreover, this result was achieved when the time available for the virtual dissection was approximately 44% less than that available for hands-on dissection. Examination of possible relationships between student characteristics and achievement revealed that students' attitudes to educational uses of animal dissection and their computer experience were positively correlated with their achievement scores. No relationships were found between either student gender or dissection experience and achievement test outcomes. Students rated virtual dissection as the easier of the two types of dissection, though they gave equivalent ratings for their enjoyment of virtual and hands-on dissection. Despite favorable feedback on the virtual dissection, a significant majority of students stated that they felt they would be "missing-out" on a valuable experience if they were not given the opportunity to perform a hands-on frog dissection. Comparing how students spent their time during each type of dissection showed that students spent a significantly larger proportion of their time On-Task when using the multimedia-based virtual dissection. In particular, the average increase in the proportion of time spent on activities directly related to the subject matter was over 36%. Time spent On-Task had a significant positive relationship with achievement for hands-on dissection. It may play a similar role for achievement with virtual dissection, but the

  1. Screening applications in drug discovery based on microfluidic technology.

    Science.gov (United States)

    Eribol, P; Uguz, A K; Ulgen, K O

    2016-01-01

    Microfluidics has been the focus of interest for the last two decades for all the advantages such as low chemical consumption, reduced analysis time, high throughput, better control of mass and heat transfer, downsizing a bench-top laboratory to a chip, i.e., lab-on-a-chip, and many others it has offered. Microfluidic technology quickly found applications in the pharmaceutical industry, which demands working with leading edge scientific and technological breakthroughs, as drug screening and commercialization are very long and expensive processes and require many tests due to unpredictable results. This review paper is on drug candidate screening methods with microfluidic technology and focuses specifically on fabrication techniques and materials for the microchip, types of flow such as continuous or discrete and their advantages, determination of kinetic parameters and their comparison with conventional systems, assessment of toxicities and cytotoxicities, concentration generations for high throughput, and the computational methods that were employed. An important conclusion of this review is that even though microfluidic technology has been in this field for around 20 years there is still room for research and development, as this cutting edge technology requires ingenuity to design and find solutions for each individual case. Recent extensions of these microsystems are microengineered organs-on-chips and organ arrays.

  2. Seismic base isolation technologies for Korea advanced liquid metal reactor

    Energy Technology Data Exchange (ETDEWEB)

    Yoo, B.; Lee, J.-H.; Koo, G.-H.; Lee, H.-Y.; Kim, J.-B. [Korea Atomic Energy Research Inst., Taejon (Korea, Republic of)

    2000-06-01

    This paper describes the status and prospects of the seismic base isolation technologies for Korea Advanced Liquid Metal Reactor (KALIMER). The research and development program on the seismic base isolation for KALIMER began in 1993 by KAERI under the national long-term R and D program. The objective of this program is to enhance the seismic safety, to accomplish the economic design, and to standardize the plant design through the establishment of technologies on seismic base isolation for liquid metal reactors. In this paper, tests and analyses performed in the program are presented. (orig.)

  3. A Survey of Technologies Supporting Virtual Project Based Learning

    DEFF Research Database (Denmark)

    Dirckinck-Holmfeld, Lone

    2002-01-01

    This paper describes a survey of technologies and to what extent they support virtual project based learning. The paper argues that a survey of learning technologies should be related to concrete learning tasks and processes. Problem oriented project pedagogy (POPP) is discussed, and a framework...... for evaluation is proposed where negotiation of meaning, coordination and resource management are identified as the key concepts in virtual project based learning. Three e-learning systems are selected for the survey, Virtual-U, Lotus Learningspace and Lotus Quickplace, as each system offers different strategies...... for e-learning. The paper concludes that virtual project based learning may benefit from facilities of all these systems....

  4. Applying Sensor-Based Technology to Improve Construction Safety Management

    Science.gov (United States)

    Zhang, Mingyuan; Cao, Tianzhuo; Zhao, Xuefeng

    2017-01-01

    Construction sites are dynamic and complicated systems. The movement and interaction of people, goods and energy make construction safety management extremely difficult. Due to the ever-increasing amount of information, traditional construction safety management has operated under difficult circumstances. As an effective way to collect, identify and process information, sensor-based technology is deemed to provide new generation of methods for advancing construction safety management. It makes the real-time construction safety management with high efficiency and accuracy a reality and provides a solid foundation for facilitating its modernization, and informatization. Nowadays, various sensor-based technologies have been adopted for construction safety management, including locating sensor-based technology, vision-based sensing and wireless sensor networks. This paper provides a systematic and comprehensive review of previous studies in this field to acknowledge useful findings, identify the research gaps and point out future research directions. PMID:28800061

  5. Applying Sensor-Based Technology to Improve Construction Safety Management.

    Science.gov (United States)

    Zhang, Mingyuan; Cao, Tianzhuo; Zhao, Xuefeng

    2017-08-11

    Construction sites are dynamic and complicated systems. The movement and interaction of people, goods and energy make construction safety management extremely difficult. Due to the ever-increasing amount of information, traditional construction safety management has operated under difficult circumstances. As an effective way to collect, identify and process information, sensor-based technology is deemed to provide new generation of methods for advancing construction safety management. It makes the real-time construction safety management with high efficiency and accuracy a reality and provides a solid foundation for facilitating its modernization, and informatization. Nowadays, various sensor-based technologies have been adopted for construction safety management, including locating sensor-based technology, vision-based sensing and wireless sensor networks. This paper provides a systematic and comprehensive review of previous studies in this field to acknowledge useful findings, identify the research gaps and point out future research directions.

  6. The role of geo-based technology in place experiences

    DEFF Research Database (Denmark)

    Tussyadiah, Iis; Zach, F.J.

    2012-01-01

    Today, as various context-aware technologies have become increasingly ubiquitous, tourists have access to retrieve voluminous geographic information about tourism destinations. These technologies are suggested to aid tourists in gaining meaningful experiences with places. This study identifies how...... the use of geo-based technology plays a role in the acquisition of geographic knowledge and behavior. It is identified that the use of geo-based technology while traveling contributes to the different components that frame the structure of tourism experience. Further, this study also confirms that tourism...... experience can be seen as a part of the everyday experience as geographic behavior exhibited on a day-to-day basis is found to have an effect on tourism experience....

  7. Magnetic separation of iron-based nanosorbents from watery solutions

    Science.gov (United States)

    Medvedeva, Irina; Bakhteeva, Iuliia; Zhakov, Sergey; Baerner, Klaus

    2016-04-01

    Iron and iron oxide magnetic nanoparticles (MNP) both naked and with chemically modified surface are promising agents for different environmental applications, in particular for water purification and for analytical control of water and soil pollution. The MNP can be used as sorbents with selective abilities due to designed surface functionalization. While a lot of research has been devoted to the impurity sorption processes, the second part, that is the efficient removal of the MNP sorbents from the watery solution, has not been sufficiently studied so far. For that particles with magnetic cores are especially attractive due to the possibility of their subsequent magnetic separation from water without using coagulants, i.e. without a secondary water pollution, just by applying external magnetic fields B. In order to remove magnetic sorbent nanoparticles ( 10-100 nm) effectively from the water solution gradient magnetic fields are required. Depending on the MNP size, the magnetic moment, the chemical properties of the solution, the water purification conditions , either the low gradient magnetic separation (LGMS) with dB/dz 100 T/m is used. The gradient magnetic field is provided by permanent magnets or electromagnets of different configuration. In this work the sedimentation dynamics of naked Fe3O4 and Fe3O4@SiO2 nanoparticles (10-30 nm) in water was studied in a vertical gradient magnetic field (B1 ≤ 0.3T, dB/dz ≤ 0.13 T/cm). By this LGMS , the sedimentation time of the naked Fe3O4 NP is reduced down from several days to several minutes. The sedimentation time for Fe3O4@SiO2 decreases from several weeks to several hours and to several minutes when salts Na2SO4, CaCl2, NaH2PO4 are added to the solution. The results are interpreted in terms of MNP aggregate formation caused by electrostatic, steric and magnetic inter-particle interactions in the watery solution. ACKNOWLEDGMENTS The work was supported in part by the Ural Branch, Russian Academy of Sciences

  8. An analytical solution to patient prioritisation in radiotherapy based on utilitarian optimisation.

    Science.gov (United States)

    Ebert, M A; Li, W; Jennings, L

    2014-03-01

    The detrimental impact of a radiotherapy waiting list can in part be compensated by patient prioritisation. Such prioritisation is phrased as an optimisation problem where the probability of local control for the overall population is the objective to be maximised and a simple analytical solution derived. This solution is compared with a simulation of a waiting list for the same population of patients. It is found that the analytical solution can provide an optimal ordering of patients though cannot explicitly constrain optimal waiting times. The simulation-based solution was undertaken using both the analytical solution and a numerical optimisation routine for daily patient ordering. Both solutions provided very similar results with the analytical approach reducing the calculation time of the numerical solution by several orders of magnitude. It is suggested that treatment delays due to resource limitations and resulting waiting lists be incorporated into treatment optimisation and that the derived analytical solution provides a mechanism for this to occur.

  9. A Model of Homeschooling Based on Technology in Malaysia

    Science.gov (United States)

    Alias, Norlidah; Rahman, Mohd. Nazri Abdul; Siraj, Saedah; Ibrahim, Ruslina

    2013-01-01

    Homeschooling in Malaysia is a form of alternative education that emphasizes quality education based on moral values and belief in strengthening family ties. The purpose of this study is to produce a model of homeschooling technology-based learning activities in Malaysia as a guideline to improve the quality of education, curriculum and organize…

  10. Concept for lightweight spaced-based deposition technology

    Energy Technology Data Exchange (ETDEWEB)

    Fulton, Michael; Anders, Andre

    2006-02-28

    In this contribution we will describe a technology path to very high quality coatings fabricated in the vacuum of space. To accomplish the ambitious goals set out in NASA's Lunar-Mars proposal, advanced thin-film deposition technology will be required. The ability to deposit thin-film coatings in the vacuum of lunar-space could be extremely valuable for executing this new space mission. Developing lightweight space-based deposition technology (goal:<300 g, including power supply) will enable the future fabrication and repair of flexible large-area space antennae and fixed telescope mirrors for lunar-station observatories. Filtered Cathodic Arc (FCA) is a proven terrestrial energetic thin-film deposition technology that does not need any processing gas but is well suited for ultra-high vacuum operation. Recently, miniaturized cathodic arcs have already been developed and considered for space propulsion. It is proposed to combine miniaturized pulsed FCA technology and robotics to create a robust, enabling space-based deposition system for the fabrication, improvement, and repair of thin films, especially of silver and aluminum, on telescope mirrors and eventually on large area flexible substrates. Using miniature power supplies with inductive storage, the typical low-voltage supply systems used in space are adequate. It is shown that high-value, small area coatings are within the reach of existing technology, while medium and large area coatings are challenging in terms of lightweight technology and economics.

  11. Enabling Problem Based Learning through Web 2.0 Technologies

    DEFF Research Database (Denmark)

    Tambouris, Efthimios; Panopoulou, Eleni; Tarabanis, Konstantinos

    2012-01-01

    Advances in Information and Communications Technology (ICT), particularly the so-called Web 2.0, are affecting all aspects of our life: how we communicate, how we shop, how we socialise, and how we learn. Facilitating learning through the use of ICT, also known as eLearning, is a vital part...... of modern educational systems. Established pedagogical strategies, such as Problem Based Learning (PBL), are being adapted for online use in conjunction with modern Web 2.0 technologies and tools. However, even though Web 2.0 and progressive social-networking technologies are automatically associated...

  12. Data-Base Software For Tracking Technological Developments

    Science.gov (United States)

    Aliberti, James A.; Wright, Simon; Monteith, Steve K.

    1996-01-01

    Technology Tracking System (TechTracS) computer program developed for use in storing and retrieving information on technology and related patent information developed under auspices of NASA Headquarters and NASA's field centers. Contents of data base include multiple scanned still images and quick-time movies as well as text. TechTracS includes word-processing, report-editing, chart-and-graph-editing, and search-editing subprograms. Extensive keyword searching capabilities enable rapid location of technologies, innovators, and companies. System performs routine functions automatically and serves multiple users.

  13. Nanopore-based Fourth-generation DNA Sequencing Technology

    Institute of Scientific and Technical Information of China (English)

    Yanxiao Feng; Yuechuan Zhang; Cuifeng Ying; Deqiang Wang; Chunlei Du

    2015-01-01

    Nanopore-based sequencers, as the fourth-generation DNA sequencing technology, have the potential to quickly and reliably sequence the entire human genome for less than $1000, and possibly for even less than$100. The single-molecule techniques used by this technology allow us to further study the interaction between DNA and protein, as well as between protein and protein. Nanopore analysis opens a new door to molecular biology investigation at the single-molecule scale. In this article, we have reviewed academic achievements in nanopore technology from the past as well as the latest advances, including both biological and solid-state nanopores, and discussed their recent and potential applications.

  14. Location based content delivery solution using iBeacon

    OpenAIRE

    2015-01-01

    There is a growing trend of using mobile devices in retail stores. Access to instant product related information is desirable by consumers in making a purchase decision. This information may include offers or sales discount associated with a product, comparing prices, ingredients or materials composition and many more. Retail business owners have seen this as a big opportunity to increase their in-store sales and they are adapting various technologies to deliver helpful contents and informati...

  15. Knowledge base technology: a developer view

    Directory of Open Access Journals (Sweden)

    G. Ginkul

    1996-09-01

    Full Text Available In present paper we have endeavoured to tell about some reasonings, conclusions and pricticals results, to which we have come being busy with one of most interesting problems of modern science. This paper is a brief report of the group of scientists from the Laboratory of Artificial Intelligence Systems about their experience of work in the field of knowledge engineering. The researches in this area was started in our Laboratory more than 10 years ago, i.e. about in the moment, when there was just another rise in Artificial Intelligence, caused by mass emerging of expert systems. The tasks of knowledge engineering were being varied, and focal point of our researches was being varied too. Certainly, we have not solved all the problems, originating in this area. Our knowledge still has an approximate nature, but nevertheless, the outcomes obtained by us seem rather important and interesting. So, we want to tell about our experience in building of knowledge-based systems, and expert systems, in particular.

  16. Enhancing Science Teaching through Performing Marbling Art Using Basic Solutions and Base Indicators

    Science.gov (United States)

    Çil, Emine; Çelik, Kevser; Maçin, Tuba; Demirbas, Gülay; Gökçimen, Özlem

    2014-01-01

    Basic solutions are an indispensable part of our daily life. Basic solutions are commonly used in industries such as the textile industry, oil refineries, the fertilizer industry, and pharmaceutical products. Most cleaning agents, such as soap, detergent, and bleach, and some of our foods, such as chocolate and eggs, include bases. Bases are the…

  17. Enhancing Science Teaching through Performing Marbling Art Using Basic Solutions and Base Indicators

    Science.gov (United States)

    Çil, Emine; Çelik, Kevser; Maçin, Tuba; Demirbas, Gülay; Gökçimen, Özlem

    2014-01-01

    Basic solutions are an indispensable part of our daily life. Basic solutions are commonly used in industries such as the textile industry, oil refineries, the fertilizer industry, and pharmaceutical products. Most cleaning agents, such as soap, detergent, and bleach, and some of our foods, such as chocolate and eggs, include bases. Bases are the…

  18. a technological framework for transparent e-voting solution in the ...

    African Journals Online (AJOL)

    user

    card readers with biometric authentication have been employed to achieve transparent polls. However, high ... technology especially as it apply to security issues [8,. 10, 11, 12 ..... the internet option, launching counter cyber-attack against any ...

  19. Technical Solutions to Mitigate Reliability Challenges due to Technology Scaling of Charge Storage NVM

    National Research Council Canada - National Science Library

    Lee, Meng Chuan; Wong, Hin Yong

    2013-01-01

    .... Technology scaling of charge storage NVM has always been the strategy to achieve higher density NVM with lower cost per bit in order to meet the persistent consumer demand for larger storage space...

  20. Solution Analysis of Universal Wireless Joint Point Technologies for Heterogeneous Tactical Networks

    Science.gov (United States)

    2006-03-01

    NAC Network Admission Control NIC Network Interface Card NM Network Modules NOC Network Operation Centers OFDM Orthogonal Frequency Division...or NOC at a given time. With different wireless technologies having their own advantages and disadvantages, the need for them to transfer data back...mobile NOC Tacticomps (Tactical PDAs) ITT Card Mesh Wireless Technology Diagram (ITT Card) Planned 802.20, 802.16 or 802.11

  1. Solution of wave-like equation based on Haar wavelet

    Directory of Open Access Journals (Sweden)

    Naresh Berwal

    2012-11-01

    Full Text Available Wavelet transform and wavelet analysis are powerful mathematical tools for many problems. Wavelet also can be applied in numerical analysis. In this paper, we apply Haar wavelet method to solve wave-like equation with initial and boundary conditions known. The fundamental idea of Haar wavelet method is to convert the differential equations into a group of algebraic equations, which involves a finite number or variables. The results and graph show that the proposed way is quite reasonable when compared to exact solution.

  2. Assessment of technological solutions for removal of radium discharged to sea from offshore oil and gas installations

    Energy Technology Data Exchange (ETDEWEB)

    Eriksen, Dag Oeistein [Primus.inter.pares AS, Kongsberggata 20, NO-0468 Oslo (Norway); Hylland, Ketil [University of Oslo (Norway); Andersen, Knut Inge [Statoil ASA (Norway); Sidhu, Rajdeep Singh [Institute for Energy Technology - IFE (Norway)

    2014-07-01

    On the Norwegian sector of the North-Sea the oil- and gas-producing fields Troll B and C are the main contributors to radium discharged to the sea (190 GBq/a {sup 226}Ra and 150 GBq/a {sup 228}Ra). Thus, to observe effects caused by the emission of radioactivity and to consider remedial action one should focus on these two installations. Both installations are now operated by Statoil. In a previous comprehensive study of the speciation of discharged radium the conclusion was that it is impossible to detect any effect from radiation doses. The incremental doses due to the emissions were found to be in the nSv-range. The study covered precipitation by sulfate in the sea water, absorption on organic and inorganic materials, uptake in cod eggs and in juvenile cod, effect on sediment living organisms, background levels of pelagic fish and in sediments, and modeling of the distribution in the water column as well the distribution along the coastal stream. Despite the lack of radiation effects, an assessment of possible technological solution for removal of the radium has been undertaken. Such methods must meet the severe requirements imposed by the oil recovery process at Troll B and C: High produced water rates (>1000 m{sup 3}/h), high salinity and content of water soluble carboxylic acids originating from the crude oil, in addition to a relatively high content of barium (3 550 tonnes/a). For implementation on an offshore installation the footprint and weight of the equipment would have to be as low as possible. It is also imperative that the radiation doses to operators are as low as possible. This puts strict requirements on the shielding of the absorbents accumulating {sup 226}Ra and {sup 228}Ra. No commercially available methods were identified, but one new conceptual method based on absorption of radium on barite has been proposed. Barite is also a good shielding material. Tests performed at Institute for Energy Technology show, however, that the kinetics of the

  3. Massive-scale data management using standards-based solutions

    CERN Document Server

    Shiers, J

    1999-01-01

    In common with many large institutes, CERN has traditionally developed and maintained its own data management solutions. Recently, a significant change of direction has taken place and we have now adopted commercial tools, together with a small amount of site- specific code, for this task. The solutions chosen were originally studied as part of research and development projects oriented towards the Large Hadron Collider (LHC), which is currently under construction at CERN. They have since been adopted not only by the LHC collaborations, which are due to take production data starting in 2005, but also by numerous current experiments, both at CERN and at other High Energy Physics laboratories. Previous experiments, that used data management tools developed in-house, are also studying a possible move to the new environment. To meet the needs of today's experiments, data rates of up to 35 MB/second and data volumes of many hundred TB per experiment must be supported. Data distribution to multiple sites must be pr...

  4. Technical solutions for a full-resolution autostereoscopic 2D/3D display technology

    Science.gov (United States)

    Stolle, Hagen; Olaya, Jean-Christophe; Buschbeck, Steffen; Sahm, Hagen; Schwerdtner, Armin

    2008-02-01

    Auto-stereoscopic 3D displays capable of high quality, full-resolution images for multiple users can only be created with time-sequential systems incorporating eye tracking and a dedicated optical design. The availability of high speed displays with 120Hz and faster eliminated one of the major hurdles for commercial solutions. Results of alternative display solutions from SeeReal show the impact of optical design on system performance and product features. Depending on the manufacturer's capabilities, system complexity can be shifted from optics to SLM with an impact on viewing angle, number of users and energy efficiency, but also on manufacturing processes. A proprietary solution for eye tracking from SeeReal demonstrates that the required key features can be achieved and implemented in commercial systems in a reasonably short time.

  5. Solid-State Nanopore-Based DNA Sequencing Technology

    Directory of Open Access Journals (Sweden)

    Zewen Liu

    2016-01-01

    Full Text Available The solid-state nanopore-based DNA sequencing technology is becoming more and more attractive for its brand new future in gene detection field. The challenges that need to be addressed are diverse: the effective methods to detect base-specific signatures, the control of the nanopore’s size and surface properties, and the modulation of translocation velocity and behavior of the DNA molecules. Among these challenges, the realization of the high-quality nanopores with the help of modern micro/nanofabrication technologies is a crucial one. In this paper, typical technologies applied in the field of solid-state nanopore-based DNA sequencing have been reviewed.

  6. Selecting a process paradigm for an emergent disruptive technology: Evidence from the emerging microsystems technology base

    Energy Technology Data Exchange (ETDEWEB)

    Smith, J.H. [Sandia National Labs., Albuquerque, NM (United States). Intelligent Micromachine Dept.; Walsh, S.T. [New Jersey Inst. of Tech., Newark, NJ (United States). School of Industrial Management

    1998-08-01

    Emergent technologies often suffer from a lack of an installed manufacturing base and an obvious dominant manufacturing technique. Firms which base their search for competitive advantage on emergent disruptive technologies must make hard production choices and endure major manufacturing discontinuities. The authors as well as many other firms, are now facing these challenges with the embrace of microsystems technologies. They add to the literature by providing a set of criteria for firms investing in emergent disruptive technologies. Sandia has long been associated as a pioneer in the development of new manufacturing techniques. Microsystems is just the current in a long line of manufacturing technologies that have been considered for mission critical system applications. The authors as well as others, have had to make the hard choice of investing in specific microsystems manufacturing techniques. Important considerations in the technique choice include: the existing internal manufacturing bases, commonality with existing commercial manufacturing infrastructure, current and projected critical performance characteristics, learning curves, the promise to add new but un-thought-of functionally to existing systems, and the anticipated ability to qualify devices built from the technique for mission critical applications.

  7. Selecting a process paradigm for an emergent disruptive technology: Evidence from the emerging microsystems technology base

    Energy Technology Data Exchange (ETDEWEB)

    Smith, J.H. [Sandia National Labs., Albuquerque, NM (United States). Intelligent Micromachine Dept.; Walsh, S.T. [New Jersey Inst. of Tech., Newark, NJ (United States). School of Industrial Management

    1998-08-01

    Emergent technologies often suffer from a lack of an installed manufacturing base and an obvious dominant manufacturing technique. Firms which base their search for competitive advantage on emergent disruptive technologies must make hard production choices and endure major manufacturing discontinuities. The authors as well as many other firms, are now facing these challenges with the embrace of microsystems technologies. They add to the literature by providing a set of criteria for firms investing in emergent disruptive technologies. Sandia has long been associated as a pioneer in the development of new manufacturing techniques. Microsystems is just the current in a long line of manufacturing technologies that have been considered for mission critical system applications. The authors as well as others, have had to make the hard choice of investing in specific microsystems manufacturing techniques. Important considerations in the technique choice include: the existing internal manufacturing bases, commonality with existing commercial manufacturing infrastructure, current and projected critical performance characteristics, learning curves, the promise to add new but un-thought-of functionally to existing systems, and the anticipated ability to qualify devices built from the technique for mission critical applications.

  8. Predictive analytics technology review: Similarity-based modeling and beyond

    Energy Technology Data Exchange (ETDEWEB)

    Herzog, James; Doan, Don; Gandhi, Devang; Nieman, Bill

    2010-09-15

    Over 11 years ago, SmartSignal introduced Predictive Analytics for eliminating equipment failures, using its patented SBM technology. SmartSignal continues to lead and dominate the market and, in 2010, went one step further and introduced Predictive Diagnostics. Now, SmartSignal is combining Predictive Diagnostics with RCM methodology and industry expertise. FMEA logic reengineers maintenance work management, eliminates unneeded inspections, and focuses efforts on the real issues. This integrated solution significantly lowers maintenance costs, protects against critical asset failures, and improves commercial availability, and reduces work orders 20-40%. Learn how.

  9. TELEMEDICINE NETWORK BASED ON CODE-DIVISION MULTIPLE ACCESS WIRELESS TECHNOLOGY

    Institute of Scientific and Technical Information of China (English)

    同鸣; 卞正中; 张亮

    2003-01-01

    Objective To satisfy the need of reliable and efficient telemedicine in many mobile and ambulance situations. Methods A practical telemedicine system bases on code-division multiple access (CDMA) wireless communication technology has been developed, which has never been mentioned before. The design scheme for the proposed system is described and detailed analysis of the network protocol stacks and the data flow is presented. Results Experiments on real time transmission of medical images using developed system have demonstrated that the system performance is satisfactory and acceptable. Conclusion The telemedicine system based on CDMA is easy to implement and has high quality of transmitted images. It would be a prospective solution to mobile telemedicine.

  10. Open Platform Technology-Based Mobile Communications to Identify a Vehicle in Any Location

    Directory of Open Access Journals (Sweden)

    Catalin Lupu

    2009-01-01

    Full Text Available The purpose of this project is to develop an openservice platform for identifying a vehicle in any given locationusing Trimble GPS receivers Lasser SK II and necessary forthe Zapp mobile terminals mobile Internet connection basedon CDMA technology and TCP / IP.The analysis can be based on: studying the specific for thedomain of identification of persons that are moving in adelimited region inside the country; studying of theinformatics and communication technologies as a support fora new vision on the localization of persons; studying the GPStechnology; studying the actually GIS solutions; standardsregarding the information exchange at international level.The main object consists in the elaboration of a softwareapplication for the localization of persons that are in difficultyand the receiving of the first-aid in real-time. According tothis, the persons that are moving (in buses, auto, train,airplane, etc. can request the first-aid and they are spottedand identified using modern informatics technologies.

  11. Speed limits for acid-base chemistry in aqueous solutions.

    Science.gov (United States)

    Donten, Mateusz L; Vandevondele, Joost; Hamm, Peter

    2012-01-01

    Proton transfer reactions, including acid-base recombination, are commonly considered to occur 'nearly instantaneously'. However, their actual time scales may stretch far into the microsecond range, as acid-base reactions are diffusion controlled and the concentrations are low near neutral pH. The interplay of competing bases in the pH relaxation is illustrated using a model acid-base system consisting of o-nitrobenzaldehyde (oNBA) as a proton cage and acetate ions and hydroxyl ions as bases. The kinetically controlled behavior leads to highly counterintuitive states, i.e. acetate ions are transiently protonated for hundreds of nanoseconds despite the presence of a much stronger base OH-.

  12. Three Dimensional CAPP Technology of Projectile Based on MBD

    Directory of Open Access Journals (Sweden)

    Hongzhi Zhao

    2013-07-01

    Full Text Available This study aims at the research goal of three-dimensional digital process design of projectile, which adopts three-dimensional computer-aided process design technology based on MBD and uses MBD to conduct parametric modeling of projectile that can reduce the input of projectile’s process information and data conversion and produce reasonable, feasible and three-dimensional projectile manufacturing process to realize paperless three-dimensional process design of projectile. The application of three-dimensional computer-assisted process design technology of projectile based on model definition can shorten the design cycle of projectile, thus improving rapid manufacturing capacity of product and reducing cost.

  13. Robotic Mobile System's Performance-Based MIMO-OFDM Technology

    Directory of Open Access Journals (Sweden)

    Omar Alani

    2009-10-01

    Full Text Available In this paper, a predistortion neural network (PDNN architecture has been imposed to the Sniffer Mobile Robot (SNFRbot that is based on spatial multiplexed wireless Orthogonal Frequency Division Multiplexing (OFDM transmission technology. This proposal is used to improve the system performance by combating one of the main drawbacks that is encountered by OFDM technology; Peak-to-Average Power Ratio (PAPR. Simulation results show that using PDNN resulted in better PAPR performance than the previously published work that is based on linear coding, such as Low Density Parity Check (LDPC codes and turbo encoding whether using flat fading channel or a Doppler spread channel.

  14. Pivotal Technology Research of Grid Based on Mobile Agent

    Institute of Scientific and Technical Information of China (English)

    CHEN Hong-wei; WANG Ru-chuan

    2004-01-01

    Grid Based on Mobile Agent is a new grid scheme. The purpose of the paper is to solve the pivotal technology of Grid Based on Mobile Agent ( GBMA) combined with thought of Virtual Organization ( VO). In GBMA, virtual organization is viewed as the basic management unit of the grid, and mobile agent is regarded as an important interactive means. Grid architecture, grid resource management and grid task management are the core technology problem of GBMA. The simulation results show that Inter- VO pattern has the obvious advantage because it can make full use of resources from other virtual organizations in GBMA environment.

  15. Seeing around a Ball: Complex, Technology-Based Problems in Calculus with Applications in Science and Engineering-Redux

    Science.gov (United States)

    Winkel, Brian

    2008-01-01

    A complex technology-based problem in visualization and computation for students in calculus is presented. Strategies are shown for its solution and the opportunities for students to put together sequences of concepts and skills to build for success are highlighted. The problem itself involves placing an object under water in order to actually see…

  16. Combinatorial optimization problem solution based on improved genetic algorithm

    Science.gov (United States)

    Zhang, Peng

    2017-08-01

    Traveling salesman problem (TSP) is a classic combinatorial optimization problem. It is a simplified form of many complex problems. In the process of study and research, it is understood that the parameters that affect the performance of genetic algorithm mainly include the quality of initial population, the population size, and crossover probability and mutation probability values. As a result, an improved genetic algorithm for solving TSP problems is put forward. The population is graded according to individual similarity, and different operations are performed to different levels of individuals. In addition, elitist retention strategy is adopted at each level, and the crossover operator and mutation operator are improved. Several experiments are designed to verify the feasibility of the algorithm. Through the experimental results analysis, it is proved that the improved algorithm can improve the accuracy and efficiency of the solution.

  17. Earth Based Views of Solute Profiles on Mars (Invited)

    Science.gov (United States)

    Amundson, R.

    2013-12-01

    'Historical accounts of planetary evolution are mostly written in stone' (1), but the last chapter of that history is embedded in its soil. Soil properties reflect the effects of prevailing environmental boundary conditions. Solute profiles are powerful indicators of the direction and magnitude of water flow. I briefly review the chemistry of salt profiles from deserts formed by upward vs. downward migrating water, use this as a basis for interpreting aspects of Mars hydrological history. The Noachian-aged Meridiani Planum land surface is exposed in the Endurance and Victoria Craters. These craters have been estimated to be ~ Letters 240:11-72. (2) Golombek, M.P. (2012) Timescale of small crater modification on Meridiani Planum, Mars. 43rd Lunar and Planetary Science Conference. (3) Arvidson et al. (2011). J. of Geophysical Research 116, E00F15, doi:10.1029/2010JE003746, 2011 (4) Amundson et al. (2008) Geochim. Cosmochim. Acta 72:3845-3864.

  18. Enabling Problem Based Learning through Web 2.0 Technologies

    DEFF Research Database (Denmark)

    Tambouris, Efthimios; Panopoulou, Eleni; Tarabanis, Konstantinos

    2012-01-01

    of modern educational systems. Established pedagogical strategies, such as Problem Based Learning (PBL), are being adapted for online use in conjunction with modern Web 2.0 technologies and tools. However, even though Web 2.0 and progressive social-networking technologies are automatically associated...... with ideals such as collaboration, sharing, and active learning, it is also possible to use them in a very conservative, teacher-centred way limiting thus their impact. In this paper, we present a PBL 2.0 framework, i.e., a framework combining PBL practices with Web 2.0 technologies. More specifically, we (a......Advances in Information and Communications Technology (ICT), particularly the so-called Web 2.0, are affecting all aspects of our life: how we communicate, how we shop, how we socialise, and how we learn. Facilitating learning through the use of ICT, also known as eLearning, is a vital part...

  19. Combination of graph heuristics in producing initial solution of curriculum based course timetabling problem

    Science.gov (United States)

    Wahid, Juliana; Hussin, Naimah Mohd

    2016-08-01

    The construction of population of initial solution is a crucial task in population-based metaheuristic approach for solving curriculum-based university course timetabling problem because it can affect the convergence speed and also the quality of the final solution. This paper presents an exploration on combination of graph heuristics in construction approach in curriculum based course timetabling problem to produce a population of initial solutions. The graph heuristics were set as single and combination of two heuristics. In addition, several ways of assigning courses into room and timeslot are implemented. All settings of heuristics are then tested on the same curriculum based course timetabling problem instances and are compared with each other in terms of number of population produced. The result shows that combination of saturation degree followed by largest degree heuristic produce the highest number of population of initial solutions. The results from this study can be used in the improvement phase of algorithm that uses population of initial solutions.

  20. Complementary circuits based on solution processed low-voltage organic field-effect transistors

    NARCIS (Netherlands)

    Ball, James M.; Wöbkenberg, Paul H.; Kooistra, Floris B.; Hummelen, Jan C.; Leeuw, Dago M. de; Bradley, Donal D.C.; Anthopoulos, Thomas D.

    2009-01-01

    The field of organic electronics is advancing quickly towards ultra low-cost, low-end applications and is expected to provide the necessary technology required for flexible/printed electronics. Here we address the need for solution processed low-voltage complementary logic in order to reduce power c

  1. Policy to support marine biotechnology-based solutions to global challenges.

    Science.gov (United States)

    Ritchie, Rachael J; Guy, Ken; Philp, Jim C

    2013-03-01

    Recent advances in science and technology are igniting new interest in marine biotechnology. Governments are recognizing the potential of marine biotechnology to provide solutions to grand global challenges of population health, food, and energy security and sustainable industry. This paper examines some of the challenges to and policy options for the development of marine biotechnology. Copyright © 2013 Elsevier Ltd. All rights reserved.

  2. Information Technology & Goals of Standards-Based Instruction

    Directory of Open Access Journals (Sweden)

    Douglas A. Archbald

    2001-11-01

    Full Text Available This article examines goals of standards-based reform in education and ways in which developments in information technology have facilitated those goals. Since standards-based reform is a rather general concept, I begin by developing a more specific formulation which I refer to as the “standards-based instruction and assessment” model. Developments in information technology over the last fifteen years have contributed in important ways to the goals of standards-based reform at the policy level, but difficult organizational and technical challenges still have to be overcome to realize more fully the goal of standards-based instruction and assessment in instructional management and practice within schools and classrooms.

  3. Solution of optimal power flow using evolutionary-based algorithms

    African Journals Online (AJOL)

    This paper applies two reliable and efficient evolutionary-based methods named Shuffled Frog Leaping Algorithm ... Grey Wolf Optimizer (GWO) to solve Optimal Power Flow (OPF) problem. OPF is ..... The wolves search for the prey based on the alpha, beta, and delta positions. ..... Energy Conversion and Management, Vol.

  4. Bringing Technology to Students' Proximity: A Sociocultural Account of Technology-Based Learning Projects

    Science.gov (United States)

    Mukama, Evode

    2014-01-01

    This paper depicts a study carried out in Rwanda concerning university students who participated in a contest to produce short documentary films. The purpose of this research is to conceptualize these kinds of technology-based learning projects (TBLPs) through a sociocultural perspective. The methodology included focus group discussions and field…

  5. Phoretic motion of soft vesicles and droplets: an XFEM/particle-based numerical solution

    Science.gov (United States)

    Shen, Tong; Vernerey, Franck

    2017-03-01

    When immersed in solution, surface-active particles interact with solute molecules and migrate along gradients of solute concentration. Depending on the conditions, this phenomenon could arise from either diffusiophoresis or the Marangoni effect, both of which involve strong interactions between the fluid and the particle surface. We introduce here a numerical approach that can accurately capture these interactions, and thus provide an efficient tool to understand and characterize the phoresis of soft particles. The model is based on a combination of the extended finite element—that enable the consideration of various discontinuities across the particle surface—and the particle-based moving interface method—that is used to measure and update the interface deformation in time. In addition to validating the approach with analytical solutions, the model is used to study the motion of deformable vesicles in solutions with spatial variations in both solute concentration and temperature.

  6. Profiting from empowerment? Investigating dissemination avenues for educational technology content within an emerging market solutions project

    NARCIS (Netherlands)

    P.A. Arora (Payal)

    2005-01-01

    textabstractABSTRACT: The Stills in Sync (SIS) project is a joint initiative of the nonprofit organization PlanetRead and the global information and communication technology (ICT) company Hewlett Packard (HP). The SIS project entails creating a multimedia product designed to enhance literacy in

  7. Characterization and handling solutions through development and adaptation of available technologies

    Energy Technology Data Exchange (ETDEWEB)

    Michel, W.S.; Frazee, C.

    1998-07-01

    The Department of Energy (DOE) faces unique challenges in characterizing and handling its mixed wastes. Mixed waste is low-level or transuranic (TRU) contaminated wastes containing Resource Conservation and Recovery Act (RCRA) hazardous materials. Characterization and material handling technologies will be required to solve pretreatment and disposal needs, and to meet transportation requirements. The Mixed Waste Focus Area (MWFA) will fund the development and demonstration of characterization and material handling technologies to ensure the availability to support the DOE mixed waste needs. The MWFA will be evaluating commercially available and laboratory developed technologies for applicability in meeting these needs. Improved systems will be developed, on the commercial or laboratory side, as needed to address unmet needs. Studies/demonstrations are taking place this year to evaluate the capabilities of existing systems and identify technology gaps. Calls for proposals will be made to both industry and laboratory to identify work to address those gaps. Prioritization of applicable proposals will take place and activities funded appropriately to address characterization and material handling needs.

  8. Children's Satisfaction with Assistive Technology Solutions for Schoolwork Using the Quest 2.1: Children's Version

    Science.gov (United States)

    Murchland, Sonya; Kernot, Jocelyn; Parkyn, Helen

    2011-01-01

    This study explored the levels of satisfaction children 8-18 years experienced with assistive technology items used to assist them in their schoolwork. Modified from the Quebec User Evaluation of Satisfaction (QUEST 2.0), the QUEST 2.1: Children's Version was developed to enable scoring by children with or without parent assistance. The QUEST 2.1:…

  9. Barriers and solutions for the application and development of renewable energy technologies

    NARCIS (Netherlands)

    Dinica, Valentina

    1999-01-01

    Renewable electricity technologies have overwhelmingly higher advantages over conventional fuel-systems. Nevertheless, after more than three decades since their conceptualization their presence in electricity systems is hardly visible, except for few success stories in the US and several European co

  10. Implementing Technological Solutions within K-12 Contexts: A Comprehensive Route Guide

    Science.gov (United States)

    Subramony, Deepak Prem

    2012-01-01

    This article seeks to reflect, summarize, and present preexisting understandings from multiple interrelated realms of theory and practice--including diffusion of innovations, needs assessment, change management, systemic change, performance improvement, and what might be described as "socio-culturally cognizant" educational technology--in order to…

  11. Profiting from empowerment? Investigating dissemination avenues for educational technology content within an emerging market solutions project

    NARCIS (Netherlands)

    P.A. Arora (Payal)

    2005-01-01

    textabstractABSTRACT: The Stills in Sync (SIS) project is a joint initiative of the nonprofit organization PlanetRead and the global information and communication technology (ICT) company Hewlett Packard (HP). The SIS project entails creating a multimedia product designed to enhance literacy in rura

  12. Wavelet-based integral representation for solutions of the wave equation

    Energy Technology Data Exchange (ETDEWEB)

    Perel, Maria V; Sidorenko, Mikhail S [Department of Mathematical Physics, Physics Faculty, St Petersburg University, Ulyanovskaya 1-1, Petrodvorets, St Petersburg 198904 (Russian Federation)], E-mail: perel@mph.phys.spbu.ru, E-mail: M-Sidorenko@yandex.ru

    2009-09-18

    An integral representation of solutions of the wave equation as a superposition of other solutions of this equation is built. The solutions from a wide class can be used as building blocks for the representation. Considerations are based on mathematical techniques of continuous wavelet analysis. The formulae obtained are justified from the point of view of distribution theory. A comparison of the results with those by G Kaiser is carried out. Methods of obtaining physical wavelets are discussed.

  13. Printing technologies for biomolecule and cell-based applications.

    Science.gov (United States)

    Ihalainen, Petri; Määttänen, Anni; Sandler, Niklas

    2015-10-30

    Biomolecules, such as enzymes, proteins and other biomacromolecules (polynucleotides, polypeptides, polysaccharides and DNA) that are immobilized on solid surfaces are relevant to many areas of science and technology. These functionalized surfaces have applications in biosensors, chromatography, diagnostic immunoassays, cell culturing, DNA microarrays and other analytical techniques. Printing technologies offer opportunities in this context. The main interests in printing biomolecules are in immobilizing them on surfaces for sensors and catalysts or for controlled delivery of protein-based drugs. Recently, there have been significant developments in the use of inkjet printing for dispensing of proteins, biomacromolecules and cells. This review discusses the use of roll-to-roll and inkjet printing technologies in manufacturing of biomolecule and cell-based applications.

  14. Output-based allocation and investment in clean technologies

    Energy Technology Data Exchange (ETDEWEB)

    Rosendahl, Knut Einar; Storroesten, Halvor Briseid

    2011-07-01

    Allocation of emission allowances may affect firms' incentives to invest in clean technologies. In this paper we show that so-called output-based allocation tends to stimulate such investments as long as individual firms do not assume the regulator to tighten the allocation rule as a consequence of their investments. The explanation is that output-based allocation creates an implicit subsidy to the firms' output, which increases production, leads to a higher price of allowances, and thus increases the incentives to invest in clean technologies. On the other hand, if the firms expect the regulator to tighten the allocation rule after observing their clean technology investment, the firms' incentives to invest are moderated. If strong, this last effect may outweigh the enhanced investment incentives induced by increased output and higher allowance price. (Author)

  15. Mask process matching using a model based data preparation solution

    Science.gov (United States)

    Dillon, Brian; Saib, Mohamed; Figueiro, Thiago; Petroni, Paolo; Progler, Chris; Schiavone, Patrick

    2015-10-01

    Process matching is the ability to precisely reproduce the signature of a given fabrication process while using a different one. A process signature is typically described as systematic CD variation driven by feature geometry as a function of feature size, local density or distance to neighboring structures. The interest of performing process matching is usually to address differences in the mask fabrication process without altering the signature of the mask, which is already validated by OPC models and already used in production. The need for such process matching typically arises from the expansion of the production capacity within the same or different mask fabrication facilities, from the introduction of new, perhaps more advanced, equipment to deliver same process of record masks and/or from the re-alignment of processes which have altered over time. For state-of-the-art logic and memory mask processes, such matching requirements can be well below 2nm and are expected to reduce below 1nm in near future. In this paper, a data preparation solution for process matching is presented and discussed. Instead of adapting the physical process itself, a calibrated model is used to modify the data to be exposed by the source process in order to induce the results to match the one obtained while running the target process. This strategy consists in using the differences among measurements from the source and target processes, in the calibration of a single differential model. In this approach, no information other than the metrology results is required from either process. Experimental results were obtained by matching two different processes at Photronics. The standard deviation between both processes was of 2.4nm. After applying the process matching technique, the average absolute difference between the processes was reduced to 1.0nm with a standard deviation of 1.3nm. The methods used to achieve the result will be described along with implementation considerations, to

  16. Business intelligence and capacity planning: web-based solutions.

    Science.gov (United States)

    James, Roger

    2010-07-01

    Income (activity) and expenditure (costs) form the basis of a modern hospital's 'business intelligence'. However, clinical engagement in business intelligence is patchy. This article describes the principles of business intelligence and outlines some recent developments using web-based applications.

  17. Location-based solutions in the Experience centre

    DEFF Research Database (Denmark)

    Hansen, Dan Witzner; Alapetite, Alexandre; Holdgaard, Nanna

    In this paper we present a prototype system for location-based guiding. A user survey has been conducted and the observations are used to support design choices. The prototype allows for both indoor and outdoor navigation at and in the vicinity of the experience centre NaturBornholm1 in Denmark u...... using a combination of Bluetooth, GPS and QR-codes. Bluetooth and GPS are used for location-based information and QR-codes are used to convey user preferences....

  18. Location-based solutions in the Experience centre

    DEFF Research Database (Denmark)

    Witzner Hansen, Dan; Alapetite, Alexandre Philippe Bernard; Holdgaard, Nanna

    2008-01-01

    In this paper we present a prototype system for location-based guiding. A user survey has been conducted and the observations are used to support design choices. The prototype allows for both indoor and outdoor navigation at and in the vicinity of the experience centre NaturBornholm1 in Denmark u...... using a combination of Bluetooth, GPS and QRcodes. Bluetooth and GPS are used for location-based information and QR-codes are used to convey user preferences....

  19. STUDY OF HORIZONTAL SCREEN STRENGTH CREATED BY INJECTION TECHNOLOGY CEMENT BINDER BASED

    Directory of Open Access Journals (Sweden)

    BORISOV A. A.

    2016-09-01

    Full Text Available Annotation. Formulation of the problem. An important indicator in the planning of injection works is a particle size distribution of the soil and the very composition of injection. The ideal case is to comply with the injection optimum ratio between the size of particles in solution and injectable medium. This ratio corresponds to complete impregnation of the environment. Today in the field of building technologies known classical methods of grouting with the injection process [9]. This may be a cementation or silicification with different chemical compositions. Due to the fact that we have proposed an innovative technology of impervious curtain device, special attention should be paid to the performance and physical and mechanical properties of the resulting soil-injection. This is due to the fact that the proposed technology provides for lesser known technical solutions, the use of which should ultimately result in impervious screens with desired properties. Goal. The aim of this study is to investigate the properties of the resulting soil-concrete impervious screen. Such structures should have defined a number of physical and mechanical properties. In this paper, it was of interest to study the compressive strength of the resulting soil-concrete structure. Conclusion. As a result of experimentation and implementation of complex obtained experimentally-statistical models that describe the main soil-quality indicators. Based on these data is possible optimal selection of formulation and technological structure for sandy soils with different modules size of its particles.

  20. Glucose solution determination based on liquid photoacoustic resonance.

    Science.gov (United States)

    Zhao, SiWei; Tao, Wei; He, QiaoZhi; Zhao, Hui; Yang, HongWei

    2017-01-10

    Noninvasive blood glucose determination has received considerable attention in the past from both patients and scientists all over the world, and it is becoming increasingly important as a research focus. The two most difficult problems leading to no breakthrough in this area are sensitivity and specificity in determination. In order to obtain reliable measurement results of blood glucose levels, we propose a new liquid photoacoustic resonance theory that can significantly enhance the intensity of the signal and improve the sensitivity. This paper demonstrates the theory of liquid photoacoustic resonance, gives a rigorous mathematical expression, and analyzes the variation of the transducer output in the case of liquid photoacoustic resonance. A signal processing method is demonstrated at the same time under the liquid photoacoustic resonance condition. Meanwhile, the feasibility and validity are verified by experiments with different concentrations of glucose solution. The result shows that liquid photoacoustic resonance can strengthen the signal, and the resolution achieves 20  mg/dL. This method overcomes the issue of low sensitivity and the inaccurate detection in the nonresonant case, and gets accurate results. This result could provide a theoretical basis for realization of noninvasive measurement of blood glucose.

  1. An Easy to Deploy Street Light Control System Based on Wireless Communication and LED Technology

    Directory of Open Access Journals (Sweden)

    Jesús Villadangos

    2013-05-01

    Full Text Available This paper presents an intelligent streetlight management system based on LED lamps, designed to facilitate its deployment in existing facilities. The proposed approach, which is based on wireless communication technologies, will minimize the cost of investment of traditional wired systems, which always need civil engineering for burying of cable underground and consequently are more expensive than if the connection of the different nodes is made over the air. The deployed solution will be aware of their surrounding’s environmental conditions, a fact that will be approached for the system intelligence in order to learn, and later, apply dynamic rules. The knowledge of real time illumination needs, in terms of instant use of the street in which it is installed, will also feed our system, with the objective of providing tangible solutions to reduce energy consumption according to the contextual needs, an exact calculation of energy consumption and reliable mechanisms for preventive maintenance of facilities.

  2. Technology Solutions for New Homes Case Study: Multifamily Zero Energy Ready Home Analysis

    Energy Technology Data Exchange (ETDEWEB)

    None

    2016-04-01

    AvalonBay Communities, which is a large multifamily developer, was developing a three-building complex in Elmsford, New York. The buildings were planned to be certified to the ENERGY STAR® Homes Version 3 program. This plan led to AvalonBay partnering with the Advanced Residential Integrated Solutions (ARIES) collaborative, which is a U.S. Department of Energy Building America team. ARIES worked with AvalonBay to redesign the project to comply with Zero Energy Ready Home (ZERH) criteria.

  3. Technology Solutions for New Homes Case Study: Columbia County Habitat for Humanity Passive Townhomes

    Energy Technology Data Exchange (ETDEWEB)

    None

    2016-04-01

    The Columbia County (New York) Habitat for Humanity (Columbia County Habitat) affiliate has been experimenting with high-performance building since 2012, starting with ENERGY STAR® Certified Homes. In 2013, they constructed their first homes aimed at the Passive House standards. Building off of this effort, in 2014 they began work on a second set of Passive Townhomes in Hudson, New York, in partnership with the Advanced Residential Integrated Energy Solutions (ARIES) Building America team and BarlisWedlick Architects.

  4. Patterning technology for solution-processed organic crystal field-effect transistors

    OpenAIRE

    Yun Li; Huabin Sun; Yi Shi; Kazuhito Tsukagoshi

    2014-01-01

    Organic field-effect transistors (OFETs) are fundamental building blocks for various state-of-the-art electronic devices. Solution-processed organic crystals are appreciable materials for these applications because they facilitate large-scale, low-cost fabrication of devices with high performance. Patterning organic crystal transistors into well-defined geometric features is necessary to develop these crystals into practical semiconductors. This review provides an update on recent development...

  5. Simulation-Based Evaluation of Learning Sequences for Instructional Technologies

    Science.gov (United States)

    McEneaney, John E.

    2016-01-01

    Instructional technologies critically depend on systematic design, and learning hierarchies are a commonly advocated tool for designing instructional sequences. But hierarchies routinely allow numerous sequences and choosing an optimal sequence remains an unsolved problem. This study explores a simulation-based approach to modeling learning…

  6. Technology Integration: A Research-Based Professional Development Program

    Science.gov (United States)

    Faulder, Tori Rose

    2011-01-01

    This research-based thesis project explains the governmental acts and policies, investors, and other stakeholders who have worked to promote, question, and explore the use of information and communication technologies (ICT) in the classroom. Research suggests that best-practice ICT integration requires using ICT alongside constructivist pedagogy.…

  7. Case-Based Learning, Pedagogical Innovation, and Semantic Web Technologies

    Science.gov (United States)

    Martinez-Garcia, A.; Morris, S.; Tscholl, M.; Tracy, F.; Carmichael, P.

    2012-01-01

    This paper explores the potential of Semantic Web technologies to support teaching and learning in a variety of higher education settings in which some form of case-based learning is the pedagogy of choice. It draws on the empirical work of a major three year research and development project in the United Kingdom: "Ensemble: Semantic…

  8. Mobile Learning Application Based on RSS Feed Technology

    Science.gov (United States)

    Mohanna, Mahmoud; Capus, Laurence

    2013-01-01

    This paper presents a mobile learning application for a learning course at higher education level. Based on the RSS feed technology, the presented mobile application establishes an in-time communication channel between the instructor and his/her students to keep them up-to-date with all course important dates, instructions and information in…

  9. A Curriculum Framework Based on Archetypal Phenomena and Technologies.

    Science.gov (United States)

    Zubrowski, Bernie

    2002-01-01

    Presents an alternative paradigm of curriculum development based on the theory of situated cognition. This approach starts with context rather than concept, gives greater weight to students' interpretative frameworks, and provides for a more holistic development. Presents a grade 1-8 framework that uses archetypal phenomena and technologies as the…

  10. Cloud-Based Technologies: Faculty Development, Support, and Implementation

    Science.gov (United States)

    Diaz, Veronica

    2011-01-01

    The number of instructional offerings in higher education that are online, blended, or web-enhanced, including courses and programs, continues to grow exponentially. Alongside the growth of e-learning, higher education has witnessed the explosion of cloud-based or Web 2.0 technologies, a term that refers to the vast array of socially oriented,…

  11. Framework, process and tool for managing technology-based assets

    CSIR Research Space (South Africa)

    Kfir, R

    2000-10-01

    Full Text Available ) and the intellectual property (IP) of the organisation, The study describes a framework linking the core processes supporting the management of technology-based assets and offerings with other organisational elements such as leadership, strategy, and culture. Specific...

  12. A Wireless Distributed Condition Monitoring System Based on Bluetooth Technology

    Institute of Scientific and Technical Information of China (English)

    2002-01-01

    Based on the discussion of bluetooth and network technology, this paper proposed an entire framework of a wireless distributed monitoring system by combining the characteristics of industry application. The feasibility of putting this kind of system in practice is discussed. The wireless distributed monitoring system can enhance the performance of condition monitoring more than the traditional one used now.

  13. Project-Based Learning in Electronic Technology: A Case Study

    Science.gov (United States)

    Li, Li

    2015-01-01

    A case study of project-based learning (PBL) implemented in Tianjin University of Technology and Education is presented. This multidiscipline project is innovated to meet the novel requirements of industry while keeping its traditional effectiveness in driving students to apply knowledge to practice and problem-solving. The implementation of PBL…

  14. Foil-based optical technology platform for optochemical sensors

    NARCIS (Netherlands)

    Kalathimekkad, S.; Missinne, J.; Arias Espinoza, J.D.; Hoe, B. van; Bosman, E.; Smits, E.; Mandamparambil, R.; Steenberge, G. van; Vanfleteren, J.

    2012-01-01

    This paper describes the development of a low-cost technology platform for fluorescence-based optochemical sensors. These sensors were constructed by incorporating fluorescent sensing elements in the core of multimode waveguides or lightguides, and have applications in medical, biochemical and envir

  15. Project-Based Learning in Electronic Technology: A Case Study

    Science.gov (United States)

    Li, Li

    2015-01-01

    A case study of project-based learning (PBL) implemented in Tianjin University of Technology and Education is presented. This multidiscipline project is innovated to meet the novel requirements of industry while keeping its traditional effectiveness in driving students to apply knowledge to practice and problem-solving. The implementation of PBL…

  16. [A wireless mobile monitoring system based on bluetooth technology].

    Science.gov (United States)

    Sun, Shou-jun; Wu, Kai; Wu, Xiao-Ming

    2006-09-01

    This paper presents a wireless mobile monitoring system based on Bluetooth technology. This system realizes the remote mobile monitoring of multiple physiological parameters, and has the characters of easy use, low cost, good reliability and strong capability of anti-jamming.

  17. Case-Based Learning, Pedagogical Innovation, and Semantic Web Technologies

    Science.gov (United States)

    Martinez-Garcia, A.; Morris, S.; Tscholl, M.; Tracy, F.; Carmichael, P.

    2012-01-01

    This paper explores the potential of Semantic Web technologies to support teaching and learning in a variety of higher education settings in which some form of case-based learning is the pedagogy of choice. It draws on the empirical work of a major three year research and development project in the United Kingdom: "Ensemble: Semantic…

  18. Design Based Research Methodology for Teaching with Technology in English

    Science.gov (United States)

    Jetnikoff, Anita

    2015-01-01

    Design based research (DBR) is an appropriate method for small scale educational research projects involving collaboration between teachers, students and researchers. It is particularly useful in collaborative projects where an intervention is implemented and evaluated in a grounded context. The intervention can be technological, or a new program…

  19. Study and Implementation of MUX Based FPGA in QCA Technology

    Directory of Open Access Journals (Sweden)

    E.N.Ganesh

    2011-06-01

    Full Text Available This paper presents a simple Multiplexer based Field programmable gate arrays with interconnectsbased on quantum cellular automata technology. Quantum cellular automata (QCA technology is apromising nanotechnology of the future. QCA based 4:1 Multiplexer are designed and constructed as amodule in a FPGA. Multiplexer based designs are used to implement complex Boolean functions andeach module can act as a logic element or simple Multiplexer. We have studied here, NOR based logic toimplement Sum function of an adder in a QCA FPGA. Finally we have designed and simulated the MUXbased logic elements to construct QCA FPGA. This study can be useful for building complexConfigurable logic blocks to design a complete FPGA.

  20. The role of technological transfer in the societies based on knowledge economy

    OpenAIRE

    2009-01-01

    The knowledge based economy is an economy based on innovation. Implementing innovation requires acquiring new technology, using the technique of technological transfer. The problems and the timing for implementing an emerging technology are under discussion in this paper.

  1. A New Solution of Distributed Disaster Recovery Based on Raptor Code

    Science.gov (United States)

    Deng, Kai; Wang, Kaiyun; Ma, Danyang

    For the large cost, low data availability in the condition of multi-node storage and poor capacity of intrusion tolerance of traditional disaster recovery which is based on simple copy, this paper put forward a distributed disaster recovery scheme based on raptor codes. This article introduces the principle of raptor codes, and analyses its coding advantages, and gives a comparative analysis between this solution and traditional solutions through the aspects of redundancy, data availability and capacity of intrusion tolerance. The results show that the distributed disaster recovery solution based on raptor codes can achieve higher data availability as well as better intrusion tolerance capabilities in the premise of lower redundancy.

  2. Functionalized gold nanorod solution via reverse micelle based polyacrylate coating.

    Science.gov (United States)

    Basiruddin, S K; Saha, Arindam; Pradhan, Narayan; Jana, Nikhil R

    2010-05-18

    Functionalization of gold nanorods is a key issue for their biomedical application, and currently it is performed via either electrostatic interaction or thiol based strategy. We have developed a polyacrylate based coating chemistry for gold nanorods that can be used in deriving a variety of functional nanorods with high colloidal stability. The coating processes can introduce primary amines, fluorescein, or poly(ethylene glycol) (PEG) on the nanorod surface in one step process. While fluorescein incorporation can produce fluorescent nanorods, primary amine groups can be used for further functionalization. Various functional nanorods have been successfully synthesized from these coated nanorods and used in different applications. Glucose and biotin functionalized nanorods are used for protein detection, and oleyl functionalized nanorods with fluorescein incorporated in the polymer shell are used for fluorescence based cell labeling.

  3. Intelligent Self-Organized Robust Control Design based on Quantum/Soft Computing Technologies and Kansei Engineering

    Directory of Open Access Journals (Sweden)

    S.V. Ulyanov

    2013-10-01

    Full Text Available System of systems engineering technology describes the possibility of ill-defined (autonomous or hierarchically connected dynamic control system design that includes human decision making in unpredicted (unforeseen control situations. Kansei/Affective Engineering technology and its toolkit include qualitative description of human being emotion, instinct and intuition that are used effectively in design processes of smart/wise robotics and intelligent mechatronics. In presented report the way how these technologies can be married using new types of unconventional computational intelligence is described. System analysis of interrelations between these two important technologies is discussed. The solution of an important problem as robust intelligent control system design based on quantum knowledge base self-organization in unpredicted control situations and information risk is proposed. The background of applied unconventional computational intelligence is soft and quantum computing technologies. Applications of the developed approach in robust integrated fuzzy intelligent control systems are considered using concrete Benchmarks.

  4. Solution-Focused Therapy: Strength-Based Counseling for Children with Social Phobia

    Science.gov (United States)

    George, Cindy M.

    2008-01-01

    Solution-focused therapy is proposed as an effective strength-based model for children with social phobia. Social phobia is described along with the etiology and prevailing treatment approaches. A case illustration demonstrates the application of solution-focused therapy with a child who experienced social phobia. Implications for counseling and…

  5. Solution-Focused Therapy: Strength-Based Counseling for Children with Social Phobia

    Science.gov (United States)

    George, Cindy M.

    2008-01-01

    Solution-focused therapy is proposed as an effective strength-based model for children with social phobia. Social phobia is described along with the etiology and prevailing treatment approaches. A case illustration demonstrates the application of solution-focused therapy with a child who experienced social phobia. Implications for counseling and…

  6. Solution immersed silicon (SIS)-based biosensors: a new approach in biosensing.

    Science.gov (United States)

    Diware, M S; Cho, H M; Chegal, W; Cho, Y J; Jo, J H; O, S W; Paek, S H; Yoon, Y H; Kim, D

    2015-02-07

    A novel, solution immersed silicon (SIS)-based sensor has been developed which employs the non-reflecting condition (NRC) for a p-polarized wave. The SIS sensor's response is almost independent of change in the refractive index (RI) of a buffer solution (BS) which makes it capable of measuring low-concentration and/or low-molecular-weight compounds.

  7. Bringing Technology to Students’ Proximity: A Sociocultural Account of Technology-Based Learning Projects

    Directory of Open Access Journals (Sweden)

    Evode Mukama

    2014-12-01

    Full Text Available This paper depicts a study carried out in Rwanda concerning university students who participated in a contest to produce short documentary films. The purpose of this research is to conceptualize these kinds of technology-based learning projects (TBLPs through a sociocultural perspective. The methodology included focus-group discussions and field notes to collect empirical data. The findings reveal that the more educational technologies capture objects of learning positioned in the students’ sociocultural proximity, the more focused the learners’ attention is on these objects. The study shows also that a change in learning projects may depend to a large extent on whether the technology relates to the students’ sociocultural proximity, that is, taking into consideration students’ physical, cultural, and contextual real world. The study recommends a community of learning/inquiry embedded in a collaborative, problem-solving dynamic involving cognitive support from peers, teachers, external specialists, and the wider community.

  8. Is Sordac’s Rapid Acquisition Process Best Prepared To Field Solutions For Future Technological Challenges

    Science.gov (United States)

    2016-03-31

    to leverage game changing technologies such as cyber, robotics , nanotechnology, and ISR to ensure our comparative advantage and ability to achieve...hiring for acquisition workforce positions.”39 Also a dual-track career path would be “established that permits officers and enlisted personnel to...gain experience in a primary career in combat arms and a secondary career in the acquisition field.”40 H.R. 1597 is one of many vehicles attempting

  9. Design solutions for water treatment plants constructed on the basis of membrane technologies

    Science.gov (United States)

    Panteleev, A. A.; Ryabchikov, B. E.; Zhadan, A. V.; Khoruzhii, O. V.

    2012-07-01

    Two process circuits for demineralizing makeup water for power units at thermal power stations are considered. One of them is constructed on the basis of a combined plant comprising reverse-osmosis and ion-exchange apparatuses and the other comprises reverse-osmosis and electric deionization apparatuses. The considered circuits are analyzed by way of comparing them with the traditional chemical water demineralization system. Advantages and drawbacks of the new technologies for treating natural water are pointed out.

  10. People counting with stereo cameras: two template-based solutions

    NARCIS (Netherlands)

    van Oosterhout, T.; Kröse, B.; Englebienne, G.; Csurka, G.; Braz, J.

    2012-01-01

    People counting is a challenging task with many applications. We propose a method with a fixed stereo camera that is based on projecting a template onto the depth image. The method was tested on a challenging outdoor dataset with good results and runs in real time.

  11. Location-based solutions in the experience center

    DEFF Research Database (Denmark)

    Witzner Hansen, Dan; Alapetite, Alexandre; Holdgaard, Nanna

    2009-01-01

    In this paper we present a prototype system for location-based guiding. A user survey has been conducted and the observations are used to support design choices. The prototype allows for both indoor and outdoor navigation at and in the vicinity of the NaturBornholm [1] experience centre in Denmark...

  12. Location-based solutions in the Experience centre

    DEFF Research Database (Denmark)

    Hansen, Dan Witzner; Alapetite, Alexandre; Holdgaard, Nanna

    In this paper we present a prototype system for location-based guiding. A user survey has been conducted and the observations are used to support design choices. The prototype allows for both indoor and outdoor navigation at and in the vicinity of the experience centre NaturBornholm1 in Denmark...

  13. Location-based solutions in the Experience centre

    DEFF Research Database (Denmark)

    Hansen, Dan Witzner; Alapetite, Alexandre; Holdgaard, Nanna

    2009-01-01

    In this paper we present a prototype system for location-based guiding. A user survey has been conducted and the observations are used to support design choices. The prototype allows for both indoor and outdoor navigation at and in the vicinity of the NaturBornholm' experience centre in Denmark...

  14. Location-based solutions in the Experience centre

    DEFF Research Database (Denmark)

    Witzner Hansen, Dan; Alapetite, Alexandre Philippe Bernard; Holdgaard, Nanna

    2008-01-01

    In this paper we present a prototype system for location-based guiding. A user survey has been conducted and the observations are used to support design choices. The prototype allows for both indoor and outdoor navigation at and in the vicinity of the experience centre NaturBornholm1 in Denmark...

  15. PEOPLE COUNTING WITH STEREO CAMERAS: Two Template-based Solutions

    NARCIS (Netherlands)

    Van Oosterhout, Tim; Kröse, Ben; Englebienne, Gwenn

    2012-01-01

    People counting is a challenging task with many applications. We propose a method with a fixed stereo camera that is based on projecting a template onto the depth image. The method was tested on a challenging outdoor dataset with good results and runs in real time.

  16. Robot-assisted remote surgery: technological advances, potential complications, and solutions.

    Science.gov (United States)

    Marescaux, Jacques; Rubino, Francesco

    2004-01-01

    Technical limitations, mostly related to the issue of time delay for transmission of digitized information, had prevented the development of remote surgery intended as performance of a complete surgical procedure from long distances. To overcome the issue of time delay, tests and researches performed with the joined effort of surgeons, robotic and telecommunication engineers convinced our group that use of the high-speed terrestrial network [asynchronous transfer mode (ATM) service], rather than satellite connections, would significantly reduce the time lag for transmission of data. Using ATM technology, our group demonstrated the feasibility of performing surgery across transoceanic distances by safely carrying out a laparoscopic cholecystectomy, first on an animal model and later (September 7, 2001), on a patient. Using ATM technology, the mean time lag for transmission of data and images was 155 msec despite a total round-trip distance of 14,000 km. Teletransmission of active surgical manipulations have the potential to ensure availability of surgical expertise in remote locations for difficult or rare operations, and improve surgical training worldwide. However, several limitations remain for remote surgery to become commonplace. Among these, the need to render ATM network available to hospitals, costs of technology, ethical and liability issues, and possible conflicts of jurisdictions between countries involved.

  17. A Solution-Based Analysis of Attack Vectors on Smart Home Systems

    Institute of Scientific and Technical Information of China (English)

    Andreas Brauchli; Depeng Li

    2015-01-01

    The development and wider adoption of smart home technology also created an increased requirement for safe and secure smart home environments with guaranteed privacy constraints. In this paper, a short survey of privacy and security in the more broad smart⁃world context is first presented. The main contribution is then to analyze and rank attack vectors or entry points into a smart home system and propose solutions to remedy or diminish the risk of compromised security or privacy. Further, the usability impacts resulting from the proposed solutions are evaluated. The smart home system used for the analysis in this paper is a digital⁃STROM installation, a home⁃automation solution that is quickly gaining popularity in central Europe, the findings, however, aim to be as solution independent as possible.

  18. Self-referenced sensing based on terahertz metamaterial for aqueous solutions

    Science.gov (United States)

    Wu, Xiaojun; Pan, Xuecong; Quan, Baogang; Xu, Xinlong; Gu, Changzhi; Wang, Li

    2013-04-01

    We demonstrated a self-referenced sensing method in reflection geometry for characterizing aqueous solutions based on terahertz metamaterials. The sensing signal and the reference signal are taken in one measurement from different interfaces of the substrate. For ethanol-water mixture and aqueous solution of NaCl, the line-shape of the modulated response shows distinct polarity, while the peak-valley value near resonant region depends linearly on the solution concentration. These observations result from the variation of dielectric environment near the interface between the metamaterials and the aqueous solutions. This method holds promise for future application in monitoring real aqueous biosystems and ecological water systems.

  19. Non-thermal plasma based technologies for the after-treatment of automotive exhaust particulates and marine diesel exhaust NOx

    Energy Technology Data Exchange (ETDEWEB)

    McAdams, R; Beech, P; Gillespie, R; Guy, C; Jones,S; Liddell, T; Morgan, R; Shawcross, J; Weeks, D; Hughes, D; Oesterle, J; Eberspdcher,

    2003-08-24

    The trend in environmental legislation is such that primary engine modifications will not be sufficient to meet all future emissions requirements and exhaust aftertreatment technologies will need to be employed. One potential solution that is well placed to meet those requirements is non-thermal plasma technology. This paper will describe our work with some of our partners in the development of a plasma based diesel particulate filter (DPF) and plasma assisted catalytic reduction (PACR) for NOx removal. This paper describes the development of non-thermal plasma technology for the aftertreatment of particulates from a passenger car engine and NOx from a marine diesel exhaust application.

  20. Didactics, Technology, and Organisation of Project Based Distance Education

    DEFF Research Database (Denmark)

    Knudsen, Morten Haack; Borch, Ole M.; Helbo, Jan

    2005-01-01

    learning method applied at Aalborg University has been transferred to the off-campus situation. Experience show that didactic adjustments are required, in particular for obtaining an optimal balance between course and project work. Project collaboration in groups requires communication, synchronous as well...... as asynchronous, which is possible with extensive utilization of new information and communication technology. Virtual meetings are conducted with text, sound and video based communication. Also the organization requires technology. A new learning management system, specifically designed to the didactic form...

  1. The planar silicon-based microelectronic technology for electrochemical transducers

    Science.gov (United States)

    Novikov, A. V.; Egorchikov, A. E.; Dolgov, A. N.; Gornev, E. S.; Popov, V. G.; Egorov, I. V.; Krishtop, V. G.

    2016-12-01

    We have developed the new technology for production of sensitive modules for electrochemical sensors of pressure and acceleration. The technology is applicable for mass production and scalable for high-volume production. In this work we demonstrate the new sensing module for electrochemical motion sensors, and its possibility of applying in geophones. We fabricated prototypes of electrochemical planar transducer chips, produced a laboratory prototype of a geophone based on our planar transducer chip, and tested them. This paper presents the preliminary results of the tests.

  2. International Workshop on Evidence-Based Technology Enhanced Learning

    CERN Document Server

    Gennari, Rosella; Marenzi, Ivana; Prieta, Fernando; Rodríguez, Juan

    2012-01-01

    Research on Technology Enhanced Learning (TEL) investigates how information and communication technologies can be designed in order to support pedagogical activities. The workshop proceedings collects contributions concerning evidence based TEL systems, like their design following EBD principles as well as studies or best practices that educators, education stakeholders or psychologists used to diagnose or improve their students' learning skills, including students with specific difficulties. The international ebTEL’12 workshop wants to be a forum in which TEL researchers and practitioners alike can discuss ideas, projects, and lessons related to ebTEL. The workshop takes place in Salamanca, Spain, on March 28th-30th 2012.  

  3. Method for Stereo Mapping Based on Objectarx and Pipeline Technology

    Science.gov (United States)

    Liu, F.; Chen, T.; Lin, Z.; Yang, Y.

    2012-07-01

    Stereo mapping is an important way to acquire 4D production. Based on the development of the stereo mapping and the characteristics of ObjectARX and pipeline technology, a new stereo mapping scheme which can realize the interaction between the AutoCAD and digital photogrammetry system is offered by ObjectARX and pipeline technology. An experiment is made in order to make sure the feasibility with the example of the software MAP-AT (Modern Aerial Photogrammetry Automatic Triangulation), the experimental results show that this scheme is feasible and it has very important meaning for the realization of the acquisition and edit integration.

  4. Particle-based technologies for osteoarthritis detection and therapy.

    Science.gov (United States)

    Kavanaugh, Taylor E; Werfel, Thomas A; Cho, Hongsik; Hasty, Karen A; Duvall, Craig L

    2016-04-01

    Osteoarthritis (OA) is a disease characterized by degradation of joints with the development of painful osteophytes in the surrounding tissues. Currently, there are a limited number of treatments for this disease, and many of these only provide temporary, palliative relief. In this review, we discuss particle-based drug delivery systems that can provide targeted and sustained delivery of imaging and therapeutic agents to OA-affected sites. We focus on technologies such as polymeric micelles and nano-/microparticles, liposomes, and dendrimers for their potential treatment and/or diagnosis of OA. Several promising studies are highlighted, motivating the continued development of delivery technologies to improve treatments for OA.

  5. A Guide Management System Based on RFID and Bluetooth Technology

    Science.gov (United States)

    Li, Han-Sheng; Wang, Jun-Jun

    The most fundamental and important requirement of the tour guide in the tour process is to ensure the safety of tourists. In this paper, a portable guide management system is designed based on RFID technology, the Android software and blue-tooth communication technology. Through this system, the guide can get real-time information if some tourists are l behind, and send text message or dial to those tourists who are l behind immediately. The system reduces the roll-calling time on the tourists, improves the tour guide work efficiency and service quality.

  6. Image Based Solution to Occlusion Problem for Multiple Robots Navigation

    Directory of Open Access Journals (Sweden)

    Taj Mohammad Khan

    2012-04-01

    Full Text Available In machine vision, occlusions problem is always a challenging issue in image based mapping and navigation tasks. This paper presents a multiple view vision based algorithm for the development of occlusion-free map of the indoor environment. The map is assumed to be utilized by the mobile robots within the workspace. It has wide range of applications, including mobile robot path planning and navigation, access control in restricted areas, and surveillance systems. We used wall mounted fixed camera system. After intensity adjustment and background subtraction of the synchronously captured images, the image registration was performed. We applied our algorithm on the registered images to resolve the occlusion problem. This technique works well even in the existence of total occlusion for a longer period.

  7. Laboratory Evaluation of the Clean Earth Technologies Decontamination Solutions for Chemical and Biological Agents

    Science.gov (United States)

    2008-01-01

    about a 6-hr shelf - life before simulant decontamination efficacy begins to decline. The purpose of this test was to evaluate two CET decontamination...Store in a sealed beaker 2) PeridoxTM stock - Dilute (1: 10) CET in water 3) Titrant - 0.1 N sodium thiosulfate 4) Potassium iodide crystals...Procedure: To 50 mL of water in a beaker, add 1 mL of dilute CET followed by 2.5 mL of acid solution, and then 0.6 g of potassium iodide crystals. Titrate

  8. Various power quality challenges and solution techniques using FACTS technology for power system

    Science.gov (United States)

    Soni, J. Sandeep; Jangalwa, N. K.; Gupta, R.; Palwalia, D. K.

    2016-03-01

    This paper presents a comprehensive review on the various power quality problems and various solution techniques using FACTS in Power system. The term "Power Quality" is a broad concept and its meaning is taken different by different peoples. It is associated with electrical transmission, distribution and utilization systems those are having experience of any Voltage, current or frequency divergence from normal operation. Due to power quality problems industries have to invest large amount for mitigation of Voltage sags, distortions, harmonics and short term interruptions/disturbances etc. In paper authors tried to cover various possible sources and compensation methods of reactive power in power system.

  9. All solution processed organic thin film transistor-backplane with printing technology for electrophoretic display

    Science.gov (United States)

    Lee, Myung W.; Song, C.K.

    2012-01-01

    In this study, solution processes were developed for backplane using an organic thin film transistor (OTFT) as a driving device for an electrophoretic display (EPD) panel. The processes covered not only the key device of OTFTs but also interlayer and pixel electrodes. The various materials and printing processes were adopted to achieve the requirements of devices and functioning layers. The performance of OTFT of the backplane was sufficient to drive EPD sheet by producing a mobility of 0.12 cm2/v x sec and on/off current ratio of 10(5).

  10. Application of Technology in Project-Based Distance Learning

    Directory of Open Access Journals (Sweden)

    Ali Mehrabian

    2008-06-01

    Full Text Available Present technology and the accessibility of internet have made distance learning easier, more efficient, and more convenient for students. This technology allows instructors and students to communicate asynchronously, at times and locations of their own choosing, by exchanging printed or electronic information. The use of project-based approach is being recognized in the literature as a potential component of courses in the faculties of engineering, science, and technology. Instructors may have to restructure their course differently to accommodate and facilitate the effectiveness of distance learning. A project-based engineering course, traditionally taught in a classroom settings using live mode at the College of Engineering and Computer Sciences at the University of Central Florida (UCF has been transformed to a distance course taught using distance modes. In this case, pedagogical transitions and adjustments are required, in particular for obtaining an optimal balance between the course material and the project work. Project collaboration in groups requires communication, which is possible with extensive utilization of new information and communication technology, such as virtual meetings. This paper discusses the course transition from live to distance modes and touches on some issues as they relate to the effectiveness of this methodology and the lessons learned from its application within different context. More specifically, this discussion includes the benefit of implementing project-based work in the domain of the distance learning courses.

  11. Applications of RFID technology in dismounted soldier solution systems – study of mCOP system capabilities

    Directory of Open Access Journals (Sweden)

    Chmielewski Mariusz

    2016-01-01

    Full Text Available This paper discusses application of RFID technology in Dismounted Soldier Solutions gathered from the development and demonstration of mCOP platform. The software has been developed to elaborate Network Enabled Capabilities in tactical environments. Presented research was a part of demonstration prepared for the European Defence Agency. The main aim of the tool is the delivery of command support capabilities utilizing data fusion and integration mechanisms implemented in heterogeneous military mobile networks. Application of military integration standards such as JC3IEDM, NFFI and TSO supports interoperability with BMS class systems. Utilisation of RFID technology in mCOP software has several purposes, mainly used for process automation of authorisation and personal identification. Indirectly such functionalities can be used for implementation of UAV supported - Blue Force Tracking and IFF services. This research elaborates a set of implemented ideas for such solutions. Developed system serves as a multi-level and multi-platform command and control system supporting military and crisis operations. A crucial part of the system - mCOP, the handheld application for tactical level commanders, serves as personal toolkit for location monitoring and combat situation distribution and management. The tool delivers a set of tailored functionalities supporting commander’s situation awareness and decision making process. The mCOP hosting device equipped with RFID delivers also means of tactical , emergency, micro network communication.

  12. 78 FR 48468 - M/A-Com Technology Solutions, Including On-Site Leased Workers of Kelly Temps and Aerotek CE...

    Science.gov (United States)

    2013-08-08

    ... Kelly Temps and Aerotek CE, Torrance, California; M/A-Com Technology Solutions, Including On-Site Leased Workers of Kelly Temps and Aerotek CE, Long Beach, California; Amended Certification Regarding Eligibility... Solutions, including on-site leased workers of Kelly Temps and Aerotek CE, Torrance, California. The...

  13. Ground-based Nuclear Detonation Detection (GNDD) Technology Roadmap

    Energy Technology Data Exchange (ETDEWEB)

    Casey, Leslie A.

    2014-01-13

    This GNDD Technology Roadmap is intended to provide guidance to potential researchers and help management define research priorities to achieve technology advancements for ground-based nuclear explosion monitoring science being pursued by the Ground-based Nuclear Detonation Detection (GNDD) Team within the Office of Nuclear Detonation Detection in the National Nuclear Security Administration (NNSA) of the U.S. Department of Energy (DOE). Four science-based elements were selected to encompass the entire scope of nuclear monitoring research and development (R&D) necessary to facilitate breakthrough scientific results, as well as deliver impactful products. Promising future R&D is delineated including dual use associated with the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Important research themes as well as associated metrics are identified along with a progression of accomplishments, represented by a selected bibliography, that are precursors to major improvements to nuclear explosion monitoring.

  14. Dynamic managerial capability of technology-based international new ventures

    DEFF Research Database (Denmark)

    Altshuler, Liliya

    2014-01-01

    case study of a technology-based INV conducted over the period of 3.5 years, starting 8 years into the firm’s history. This unique design has enabled close observation of the specific events and challenges the firm has been facing after its initial success, and of the aspects in the firm’s management......The article focuses on long-term development of technology-based international new ventures (INVs) and discusses aspects of managing such ventures once they are past the initial success and rapid internationalization and enter the stable development phase. The study builds on an in-depth process...... to resource availability. The study takes the dynamic capability perspective and focuses on INVs’ management, which are seen as founders and builders of the processes, rules and structures that lay the basis for long-term competitive advantage for such firms. Based on the findings, specific aspects...

  15. Technological solutions and main indices for the assessment of newborns' nutritive sucking: a review.

    Science.gov (United States)

    Tamilia, Eleonora; Taffoni, Fabrizio; Formica, Domenico; Ricci, Luca; Schena, Emiliano; Keller, Flavio; Guglielmelli, Eugenio

    2014-01-02

    Nutritive Sucking (NS) is a highly organized process that is essential for infants' feeding during the first six months of their life. It requires the complex coordination of sucking, swallowing and breathing. The infant's inability to perform a safe and successful oral feeding can be an early detector of immaturity of the Central Nervous System (CNS). Even though the importance of early sucking measures has been confirmed over the years, the need for standardized instrumental assessment tools still exists. Clinicians would benefit from specifically designed devices to assess oral feeding ability in their routine clinical monitoring and decision-making process. This work is a review of the main instrumental solutions developed to assess an infant's NS behavior, with a detailed survey of the main quantities and indices measured and/or estimated to characterize sucking behavior skills and their development. The adopted sensing measuring systems will be described, and their main advantages and weaknesses will be discussed, taking into account their application to clinical practice, or to at-home monitoring as post-discharge assessment tools. Finally, the study will highlight the most suitable sensing solutions and give some prompts for further research.

  16. Technological Solutions and Main Indices for the Assessment of Newborns’ Nutritive Sucking: A Review

    Directory of Open Access Journals (Sweden)

    Eleonora Tamilia

    2014-01-01

    Full Text Available Nutritive Sucking (NS is a highly organized process that is essential for infants’ feeding during the first six months of their life. It requires the complex coordination of sucking, swallowing and breathing. The infant’s inability to perform a safe and successful oral feeding can be an early detector of immaturity of the Central Nervous System (CNS. Even though the importance of early sucking measures has been confirmed over the years, the need for standardized instrumental assessment tools still exists. Clinicians would benefit from specifically designed devices to assess oral feeding ability in their routine clinical monitoring and decision-making process. This work is a review of the main instrumental solutions developed to assess an infant’s NS behavior, with a detailed survey of the main quantities and indices measured and/or estimated to characterize sucking behavior skills and their development. The adopted sensing measuring systems will be described, and their main advantages and weaknesses will be discussed, taking into account their application to clinical practice, or to at-home monitoring as post-discharge assessment tools. Finally, the study will highlight the most suitable sensing solutions and give some prompts for further research.

  17. Application layer multicast routing solution based on genetic algorithms

    Institute of Scientific and Technical Information of China (English)

    Peng CHENG; Qiufeng WU; Qionghai DAI

    2009-01-01

    Application layer multicast routing is a multi-objective optimization problem.Three routing con-straints,tree's cost,tree's balance and network layer load distribution are analyzed in this paper.The three fitness functions are used to evaluate a multicast tree on the three indexes respectively and one general fitness function is generated.A novel approach based on genetic algorithms is proposed.Numerical simulations show that,compared with geometrical routing rules,the proposed algorithm improve all three indexes,especially on cost and network layer load distribution indexes.

  18. Inverse Problem Solution in Landmines Detection Based on Active Thermography

    Directory of Open Access Journals (Sweden)

    B. Szymanik

    2014-12-01

    Full Text Available Landmines still affect numerous territories in the whole world and pose a serious threat, mostly to civilians. Widely used non-metallic landmines are undetectable using metal detector. Therefore, there is an urging need to improve methods of detecting such objects. In the present study we introduce relatively new method of landmines' detection: active infrared thermography with microwave excitation. In this paper we present the optimization based method of solving inverse problem for microwave heating. This technique will be used in the reconstruction of detected landmines geometric and material properties.

  19. Communications Solutions for Heterogeneous Systems Based on SOA

    Science.gov (United States)

    Wei, Xianmin

    In order to address the gaps which widely used in business application architecture and problems of heterogeneous system communication, this paper provides a standardized framework of SOA, built in the application of a loose coupling between systems "server + proxy" data exchange platform, to achieve heterogeneous data exchange and data sharing, and developed a business based on Web services platform, making full use of the Web service, which makes the system has good scalability and maintainability, to solve the problem of heterogeneous system communication and widely used to make up for the current architecture lack of business applications.

  20. An introduction to InP-based generic integration technology

    Science.gov (United States)

    Smit, Meint; Leijtens, Xaveer; Ambrosius, Huub; Bente, Erwin; van der Tol, Jos; Smalbrugge, Barry; de Vries, Tjibbe; Geluk, Erik-Jan; Bolk, Jeroen; van Veldhoven, Rene; Augustin, Luc; Thijs, Peter; D'Agostino, Domenico; Rabbani, Hadi; Lawniczuk, Katarzyna; Stopinski, Stanislaw; Tahvili, Saeed; Corradi, Antonio; Kleijn, Emil; Dzibrou, Dzmitry; Felicetti, Manuela; Bitincka, Elton; Moskalenko, Valentina; Zhao, Jing; Santos, Rui; Gilardi, Giovanni; Yao, Weiming; Williams, Kevin; Stabile, Patty; Kuindersma, Piet; Pello, Josselin; Bhat, Srivathsa; Jiao, Yuqing; Heiss, Dominik; Roelkens, Gunther; Wale, Mike; Firth, Paul; Soares, Francisco; Grote, Norbert; Schell, Martin; Debregeas, Helene; Achouche, Mohand; Gentner, Jean-Louis; Bakker, Arjen; Korthorst, Twan; Gallagher, Dominic; Dabbs, Andrew; Melloni, Andrea; Morichetti, Francesco; Melati, Daniele; Wonfor, Adrian; Penty, Richard; Broeke, Ronald; Musk, Bob; Robbins, Dave

    2014-06-01

    Photonic integrated circuits (PICs) are considered as the way to make photonic systems or subsystems cheap and ubiquitous. PICs still are several orders of magnitude more expensive than their microelectronic counterparts, which has restricted their application to a few niche markets. Recently, a novel approach in photonic integration is emerging which will reduce the R&D and prototyping costs and the throughput time of PICs by more than an order of magnitude. It will bring the application of PICs that integrate complex and advanced photonic functionality on a single chip within reach for a large number of small and larger companies and initiate a breakthrough in the application of Photonic ICs. The paper explains the concept of generic photonic integration technology using the technology developed by the COBRA research institute of TU Eindhoven as an example, and it describes the current status and prospects of generic InP-based integration technology.