Constructing a paleo-DEM in an urban area by the example of the city of Aachen, Germany: Methods and previous results

Science.gov (United States)

Pröschel, Bernhard; Lehmkuhl, Frank

2017-04-01

Reconstructing paleo-landscapes in urban areas is always a special challenge since the research area often witnessed constant human impact over long time periods. Dense building development is a major difficulty, particularly in regard to accessibility to in-situ soils and archaeological findings. It is therefore necessary to use data from various sources and combine methods from different fields to gain a detailed picture of the former topography. The area, which is occupied by the city of Aachen today, looks back on a long history of human influence. Traces of human activity can be dated back to Neolithic time. The first architectural structures and the first road network were built by the Romans about 2000 years ago. From then on, the area of Aachen was more or less continuously inhabited forming today's city. This long history is represented by archaeological findings throughout the city. Several meters of settlement deposits, covering different eras, are present in many locations. Therefore, it can be assumed that the modern topography significantly differs from the pre-roman topography. The main objective of this project is a reconstruction of the paleo-topography of Aachen in order to gain new insights on the spatial preconditions that the first settlers found. Moreover, further attention is given to the question whether and to what extent a paleo-DEM can help to clarify specific open archaeological and historical questions. The main database for the reconstruction are the archaeological excavation reports of the past 150 years, provided by municipal and regional archives. After analyzing these written accounts, we linked this information to drill data, provided by the Geological Service of North Rhine-Westphalia. Together with additional sources like geological and hydrological maps, we generated a GIS-based terrain model. The result is a high-resolution terrain model, representing the undisturbed pre-roman topography of the inner city of Aachen without any

Asbestos Surveillance Program Aachen (ASPA): initial results from baseline screening for lung cancer in asbestos-exposed high-risk individuals using low-dose multidetector-row CT

International Nuclear Information System (INIS)

Das, Marco; Muehlenbruch, Georg; Mahnken, Andreas H.; Guenther, Rolf W.; Wildberger, Joachim E.; Hering, K.G.; Sirbu, H.; Zschiesche, W.; Knoll, Lars; Felten, Michael K.; Kraus, Thomas

2007-01-01

The purpose of this study was to assess the prevalence of lung cancer in a high-risk asbestos-exposed cohort using low-dose MDCT. Of a population of 5,389 former power-plant workers, 316 were characterized as individuals at highest risk for lung cancer according to a lung-cancer risk model including age, asbestos exposure and smoking habits. Of these 316, 187 (mean age: 66.6 years) individuals were included in a prospective trial. Mean asbestos exposure time was 29.65 years and 89% were smokers. Screening was performed on a 16-slice MDCT (Siemens) with low-dose technique (10/20 mAs eff. ; 1 mm/0.5 mm increment). In addition to soft copy PACS reading analysis on a workstation with a dedicated lung analysis software (LungCARE; Siemens) was performed. One strongly suspicious mass and eight cases of histologically proven lung cancer were found plus 491 additional pulmonary nodules (average volume: 40.72 ml, average diameter 4.62 mm). Asbestos-related changes (pleural plaques, fibrosis) were visible in 80 individuals. Lung cancer screening in this high-risk cohort showed a prevalence of lung cancer of 4.28% (8/187) at baseline screening with an additional large number of indeterminate pulmonary nodules. Low-dose MDCT proved to be feasible in this highly selected population. (orig.)

The "Aachen fall prevention App" - a Smartphone application app for the self-assessment of elderly patients at risk for ground level falls.

Science.gov (United States)

Rasche, Peter; Mertens, Alexander; Bröhl, Christina; Theis, Sabine; Seinsch, Tobias; Wille, Matthias; Pape, Hans-Christoph; Knobe, Matthias

2017-01-01

Fall incidents are a major problem for patients and healthcare. The "Aachen Fall Prevention App" (AFPA) represents the first mobile Health (mHealth) application (app) empowering older patients (persons 50+ years) to self-assess and monitor their individual fall risk. Self-assessment is based on the "Aachen Fall Prevention Scale," which consists of three steps. First, patients answer ten standardized yes-no questions (positive criterion ≥ 5 "Yes" responses). Second, a ten-second test of free standing without compensatory movement is performed (positive criterion: compensatory movement). Finally, during the third step, patients rate their subjective fall risk on a 10-point Likert scale, based on the results of steps one and two. The purpose of this app is (1) to offer a low-threshold service through which individuals can independently monitor their individual fall risk and (2) to collect data about how a patient-centered mHealth app for fall risk assessment is used in the field. The results represent the first year of an ongoing field study. From December 2015 to December 2016, 197 persons downloaded the AFPA (iOS ™ and Android ™ ; free of charge). N  = 111 of these persons voluntarily shared their data and thereby participated in the field study. Data from a final number of n  = 79 persons were analyzed due to exclusion criteria (age, missing objective fall risk, missing self-assessment). The objective fall risk and the self-assessed subjective risk measured by the AFPA showed a significant positive relationship. The "Aachen Fall Prevention App" (AFPA) is an mHealth app released for iOS and Android. This field study revealed the AFPA as a promising tool to raise older adults' awareness of their individual fall risk by means of a low-threshold patient-driven fall risk assessment tool.

78 FR 24238 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978 (Pub. L. 95-541)

Science.gov (United States)

2013-04-24

.... Applicant: Ron Naveen, Oceanites, Inc., P.O. Box 15259, Chevy Chase, MD 20825. Activity for Which Permit Is...-Rothera Point, ASPA 132-Potter Peninsula, ASPA 133-Harmony Point, ASPA 134-Cierva Point, ASPA 139-Biscoe... Admiralty Bay, ASPA 129-Rothera Point, ASPA 132-Potter Peninsula, ASPA 133-Harmony Point, ASPA 134-Cierva...

2006 annual nuclear technology conference Aachen; Jahrestagung Kerntechnik 2006

Energy Technology Data Exchange (ETDEWEB)

Anon.

2006-07-15

This year's ANNUAL NUCLEAR TECHNOLOGY CONFERENCE (JK) was organized in Aachen by the Deutsches Atomforum e.V. (DAtF) and the Kerntechnische Gesellschaft e.V. (KTG). The attendance by more than 1,200 participants from 17 nations underlines the role of this specialized congress as one of the leading events in the field of nuclear power use. For several years in a row, the number of participants has been increasing steadily. The first conference day offered plenary presentations traditionally dealing mainly with political and economic issues of the use of nuclear power, including a presentation by the President of the DAtF. The lead countries of JK 2006 were Belgium and Finland with contributions to the plenary day and special meetings on selected topics. The traditional proven scheme of the three-day meeting offered plenary sessions on the first day, and technical sessions, topical sessions, poster sessions, and special events on the following days. The 'Nuclear Power Campus' was run most successfully for the fourth time, presenting to high school students and university freshmen the world of nuclear power in a transparent way. The special commitment to the young generation was stressed at JK 2006 also by the 'Competence Preservation in Nuclear Technology' workshop. Nearly 2 dozen young scientists used the forum to present results of their work. The meeting was accompanied by a technical exhibition with meeting points established by vendors, suppliers, and service providers. (orig.)

Comparison of the measured specific activities of cesium in mushrooms, pine tree twigs, blueberries, honey and game in Aachen after 1986

International Nuclear Information System (INIS)

Bonka, H.; Schmelz, G.

1998-01-01

After the nuclear reactor accident at Chernobyl the specific activity in mushrooms originating from the region of Aachen was continuously measured until today. At the same time the specific activity was determined in pine tree twigs, blueberries, honey and game. There is a strong connection of the living organisms and the inanimate environment within the forest ecosystem. The decrease of the specific caesium activity in living organisms is slower than in the other environment. (orig.) [de

[Gender-inclusive care of victims of violence : The model project "Gender Gewaltkonzept" at the University Hospital Aachen].

Science.gov (United States)

Evler, A; Scheller, M; Wagels, L; Bergs, R; Clemens, B; Kohn, N; Pütz, A; Voss, B; Schneider, F; Habel, U

2016-07-01

Violence is a topic of great social relevance, frequently causing tremendous health consequences for those affected and high consequential costs for health care and the national economy. The established consulting and assistance services are usually restricted to offers for ambulant supply, mainly from private agencies or societies. As a result, there is no identification and care for patients who have experienced violence and who are treated in hospital. Another deficiency is the identification and care of male victims of violence. Despite wide-ranging offers of assistance, only very few gender-specific consulting and support services have been available to date.Therefore, the model project "Gender Gewaltkonzept" was initiated at Aachen University Hospital to assess the prevalence of violence and the potential consequences of the violence experienced on the patients' health. In addition, we investigated whether males and females are in need of different supply requirements.Based on the results of the project "Gender Gewaltkonzept" so far, and on prevalence estimates proving that there is a high rate of violent experiences in both males and females, this overview is aimed at presenting the aid and protection concepts available for victims of violence, in addition to the existing deficiencies of the care system. We present approaches to resolving these deficiencies to be able to establish all-encompassing gender-appropriate support for victims of violence.

Acetate supplementation induces growth arrest of NG2/PDGFRα-positive oligodendroglioma-derived tumor-initiating cells.

Directory of Open Access Journals (Sweden)

Patrick M Long

Full Text Available Cancer is associated with globally hypoacetylated chromatin and considerable attention has recently been focused on epigenetic therapies. N-acetyl-L-aspartate (NAA, the primary storage form of acetate in the brain, and aspartoacylase (ASPA, the enzyme responsible for NAA catalysis to generate acetate and ultimately acetyl-Coenzyme A for histone acetylation, are reduced in oligodendroglioma. The short chain triglyceride glyceryl triacetate (GTA, which increases histone acetylation and inhibits histone deacetylase expression, has been safely used for acetate supplementation in Canavan disease, a leukodystrophy due to ASPA mutation. We demonstrate that GTA induces cytostatic G0 growth arrest of oligodendroglioma-derived cells in vitro, without affecting normal cells. Sodium acetate, at doses comparable to that generated by complete GTA catalysis, but not glycerol also promoted growth arrest, whereas long chain triglycerides promoted cell growth. To begin to elucidate its mechanism of action, the effects of GTA on ASPA and acetyl-CoA synthetase protein levels and differentiation of established human oligodendroglioma cells (HOG and Hs683 and primary tumor-derived oligodendroglioma cells that exhibit some features of cancer stem cells (grade II OG33 and grade III OG35 relative to an oligodendrocyte progenitor line (Oli-Neu were examined. The nuclear localization of ASPA and acetyl-CoA synthetase-1 in untreated cells was regulated during the cell cycle. GTA-mediated growth arrest was not associated with apoptosis or differentiation, but increased expression of acetylated proteins. Thus, GTA-mediated acetate supplementation may provide a safe, novel epigenetic therapy to reduce the growth of oligodendroglioma cells without affecting normal neural stem or oligodendrocyte progenitor cell proliferation or differentiation.

77 FR 46771 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978

Science.gov (United States)

2012-08-06

... handle adult penguins (Gentoo, Chinstrap and Adelie) to obtain small samples of body and tail feathers... Island; ASPA 125-King George Island; ASPA 126-Livingston Island; ASPA 128-Western shore of Admiralty Bay...; ASPA 117-Avian Island; ASPA 125-King George Island; ASPA 126-Livingston Island; ASPA 128-Western shore...

Post mining hazard assessment in North Rhine-Westphalia (Germany) at the example of the Aachen hard coal mining district

International Nuclear Information System (INIS)

Heitfeld, M.; Mainz, M.; Schetelig, K.

2005-01-01

In North Rhine-Westphalia, large areas are affected by mining legacies endangering the ground surface and public safety. The problems arising and the current risk management are demonstrated at the example of the Aachen hard coal mining district. Hazards especially result from outcrops of coal seams mined at shallow depths and shafts whilst galleries usually seem to be rather unperilous due to their depth and small dimension. In this paper, the design of hazard zones and the assignment of hazard classes are described. Recent scientific developments related to the size of hazard areas are described and an outlook on future procedures is given. (authors)

Prof. Dr. Rer. Nat. Burkhard Rauhut - Rector of RWTH Aachen University - Germany sign the golden book of the CERN. Greeting from Mr Sigurd Lettow, CERN Chief Financial Officer and Prof. Carlo Rubbia (ex CERN Director-General).

CERN Multimedia

Maximilien Brice

2007-01-01

Prof. Dr. Rer. Nat. Burkhard Rauhut - Rector of RWTH Aachen University - Germany sign the golden book of the CERN. Greeting from Mr Sigurd Lettow, CERN Chief Financial Officer and Prof. Carlo Rubbia (ex CERN Director-General).

Expertise preservation in nuclear technology - the new master course ''nuclear safety engineering'' at the RWTH Aachen

International Nuclear Information System (INIS)

Backus, Sabine; Heuters, Michael

2011-01-01

The energy concept of the German federal Government in 2010 emphasizes the importance of nuclear energy within the energy policy. The lifetime extension of German nuclear power plants and the long-term safety of radioactive waste storage is the new challenge with respect to the expertise preservation in Germany. The owners of nuclear utilities have started to assist new research programs in the field of nuclear engineering at the German universities. RWE Power and ThyssenKrupp have signed a cooperation contract in 2007 with the RWTH Aachen. The companies bear the expenses for professorships ''nuclear fuel cycle'', ''simulation in nuclear engineering'' and ''reactor safety and engineering''. An elongation of the contract is planned. A master course ''nuclear safety engineering'' over 4 semesters covers the complete fuel cycle. The authors discuss issues concerning the information of students, experiences with the expectations of students concerning their future employment, acceptance of nuclear energy and related topics.

Aspartoacylase Deficiency in the White Matter of Human Immunodeficiency Virus Encephalitis: Novel Mechanism in Axonal Damage

Directory of Open Access Journals (Sweden)

Sankar Surendran

2011-01-01

Full Text Available Aspartoacylase/aminoacylase II (ASPA/ACY II is mainly synthesized in oligodendrocytes to contribute in myelin synthesis. Although axonal damage is seen in the brain with human immunodeficiency virus encephalitis (HIVE, ASPA contribution in the pathology is not known. Immunostaining study showed that ASPA protein is reduced in the white matter of patients with HIVE compared to the control. Western blot study further confirmed ASPA deficiency in the HIVE brain compared to the control. This paper suggests that HIVE condition affects ASPA to contribute in myelin loss/axonal damage seen in the disease.

Nuclear power 1997: Assured know-how. Session reports of the annual meeting on nuclear technology, May 13-15, 1997, in Aachen

International Nuclear Information System (INIS)

Bernnat, W.; Vayssier, G.; Unger, H.; Huettmann, A.; Sassenhagen, U.; Eickelpasch, N.; Eidens, J.

1997-01-01

After 1986 the 'Eurogress' of Aachen, was the venue of the Annual Nuclear Conference, this year on May 15, 1997. Attendance showed a slight increase, and the organizers. Deutsches Atomforum (DAtF) and the Kerntechnische Gesellschaft (KTG), welcomed more than 1000 participants at the world's biggest event of this kind. The program was arranged in the traditional proven format, with plenary sessions on the first day, and technical sessions, poster sessions, special events, and technical excursions on the other two days. These proceedings were accompanied by an exhibition arranged by vendors, suppliers, and service companies. Following the summary of the plenary day published on pp. 375 to 386 in atw 7/97, the survey in this issue covers the technical sessions as seen by the rapporteurs. (orig.) [de

Measurements and Design Calculations for a Deep Coaxial Borehole Heat Exchanger in Aachen, Germany

Directory of Open Access Journals (Sweden)

Lydia Dijkshoorn

2013-01-01

Full Text Available This study aims at evaluating the feasibility of an installation for space heating and cooling the building of the university in the center of the city Aachen, Germany, with a 2500 m deep coaxial borehole heat exchanger (BHE. Direct heating the building in winter requires temperatures of 40°C. In summer, cooling the university building uses a climatic control adsorption unit, which requires a temperature of minimum 55°C. The drilled rocks of the 2500 m deep borehole have extremely low permeabilities and porosities less than 1%. Their thermal conductivity varies between 2.2 W/(m·K and 8.9 W/(m·K. The high values are related to the quartzite sandstones. The maximum temperature in the borehole is 85°C at 2500 m depth, which corresponds to a mean specific heat flow of 85 mW/m2–90 mW/m2. Results indicate that for a short period, the borehole may deliver the required temperature. But after a 20-year period of operation, temperatures are too low to drive the adsorption unit for cooling. In winter, however, the borehole heat exchanger may still supply the building with sufficient heat, with temperatures varying between 25 and 55°C and a circulation flow rate of 10 m3/h at maximum.

78 FR 41959 - Notice of Permit Modification Received Under the Antarctic Conservation Act of 1978

Science.gov (United States)

2013-07-12

... Areas (ASPA) or involving Antarctic Flora and Fauna. Starting in 2013, all new permits issued for ASPA entry or involving Antarctic Flora and Flora require the permittee to submit an annual report to the... Specially Protected Areas (ASPA) or involving Antarctic Flora and Fauna issued prior to 2013 that require...

Absence-like and tonic seizures in aspartoacylase/attractin double-mutant mice.

Science.gov (United States)

Gohma, Hiroshi; Kuramoto, Takashi; Matalon, Reuben; Surendran, Sankar; Tyring, Stephen; Kitada, Kazuhiro; Sasa, Masashi; Serikawa, Tadao

2007-04-01

The Spontaneously Epileptic Rat (SER), a double-mutant for tremor and zitter mutations, shows spontaneous occurrences of absence-like and tonic seizures. Several lines of evidence suggest that the combined effect of Aspa and Atrn mutations is the most likely cause of the epileptic phenotype of the SER. To address this issue, we produced a new double-mutant mouse line carrying both homozygous Aspa-knockout and Atrn(mg-3J) mutant alleles. The Aspa/Atrn double-mutant mice exhibited absence-like and tonic seizures that were characterized by the appearance of 5-7 Hz spike-wave-like complexes and low voltage fast waves on EEGs. These results demonstrate directly that the simultaneous loss of the Aspa and Atrn gene functions causes epileptic seizures in the mouse and suggest that both Aspa and Atrn deficiencies might be responsible for epileptic seizures in the SER.

75 FR 22863 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978 (Pub. L. 95-541)

Science.gov (United States)

2010-04-30

.... Applicant: Stevem D. Emslie, Department of Biology and Marine Biology, University of North Carolina... Point, Anvers Island, Palmer Archipelago, ASPA 143-Marine Plain, Mule Peninsula, Vestfold Hills, ASPA...

78 FR 28000 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978

Science.gov (United States)

2013-05-13

... 1978 (Pub. L. 95-541), as amended by the Antarctic Science, Tourism and Conservation Act of 1996, has... facilities and equipment. Location Antarctic Peninsula region, ASPA 117-Avian Island, ASPA 128 Cape...

77 FR 22004 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978 (Pub. L. 95-541)

Science.gov (United States)

2012-04-12

... Antarctic Conservation Act of 1978 (Pub. L. 95-541), as amended by the Antarctic Science, Tourism and... educational purposes. Location Palmer Station area, Marguerite Bay including ASPA 107-Dion Islands, ASPA 113...

76 FR 57765 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978

Science.gov (United States)

2011-09-16

..., Tourism and Conservation Act of 1996, has developed regulations for the establishment of a permit system... Island (ASPA 121) and Cape Crozier (ASPA 124) to collect ground control with highly precise GPS equipment...

Attenuated enzootic (pestoides) isolates of Yersinia pestis express active aspartase.

Science.gov (United States)

Bearden, Scott W; Sexton, Christopher; Pare, Joshua; Fowler, Janet M; Arvidson, Cindy G; Yerman, Lyudmyla; Viola, Ronald E; Brubaker, Robert R

2009-01-01

It is established that Yersinia pestis, the causative agent of bubonic plague, recently evolved from enteropathogenic Yersinia pseudotuberculosis by undergoing chromosomal degeneration while acquiring two unique plasmids that facilitate tissue invasion (pPCP) and dissemination by fleabite (pMT). Thereafter, plague bacilli spread from central Asia to sylvatic foci throughout the world. These epidemic isolates exhibit a broad host range including man as opposed to enzootic (pestoides) variants that remain in ancient reservoirs where infection is limited to muroid rodents. Cells of Y. pseudotuberculosis are known to express glucose-6-phosphate dehydrogenase (Zwf) and aspartase (AspA); these activities are not detectable in epidemic Y. pestis due to missense mutations (substitution of proline for serine at amino position 155 of Zwf and leucine for valine at position 363 of AspA). In this study, functional Zwf was found in pestoides strains E, F and G but not seven other enzootic isolates; enzymic activity was associated with retention of serine at amino acid position 155. Essentially, full AspA activity occurred in pestoides isolates where valine (pestoides A, B, C and D) or serine (pestoides E, F, G and I) occupied position 363. Reduced activity occurred in strains Angola and A16, which contained phenylalanine at this position. The kcat but not Km of purified AspA from strain Angola was significantly reduced. In this context, aspA of the recently described attenuated enzootic microtus biovar encodes active valine at position 363, further indicating that functional AspA is a biomarker for avirulence of Y. pestis in man.

76 FR 48183 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978

Science.gov (United States)

2011-08-08

... established in 1986 studying the foraging ecology, population dynamics, census and reproductive success and energetic of Antarctic seals. In addition, the applicant will continue studies of the behavioral ecology and... Shetland Islands, ASPA 144, Chile Bay (Discovery Bay), ASPA 145, Port Foster, Deception Island, South...

77 FR 51831 - Notice of Permit Applications Received; Under the Antarctic Conservation Act of 1978 (Pub. L. 95...

Science.gov (United States)

2012-08-27

... Antarctic Conservation Act of 1978 (Pub. L. 95-541), as amended by the Antarctic Science, Tourism and... applicant plans to enter ASPA 130-Tramway Ridge, Mt. Erebus to measure soil temperatures and sample gases... in the soil. Location ASPA 130-Tramway Ridge, Mt. Erebus, Ross Island. Dates December 1, 2012 to...

Assessing the effectiveness of specially protected areas for conservation of Antarctica's botanical diversity.

Science.gov (United States)

Hughes, Kevin A; Ireland, Louise C; Convey, Peter; Fleming, Andrew H

2016-02-01

Vegetation is sparsely distributed over Antarctica's ice-free ground, and distinct plant communities are present in each of the continent's 15 recently identified Antarctic Conservation Biogeographic Regions (ACBRs). With rapidly increasing human activity in Antarctica, terrestrial plant communities are at risk of damage or destruction by trampling, overland transport, and infrastructure construction and from the impacts of anthropogenically introduced species, as well as uncontrollable pressures such as fur seal (Arctocephalus gazella) activity and climate change. Under the Protocol on Environmental Protection to the Antarctic Treaty, the conservation of plant communities can be enacted and facilitated through the designation of Antarctic Specially Protected Areas (ASPAs). We examined the distribution within the 15 ACBRs of the 33 ASPAs whose explicit purpose includes protecting macroscopic terrestrial flora. We completed the first survey using normalized difference vegetation index (NDVI) satellite remote sensing to provide baseline data on the extent of vegetation cover in all ASPAs designated for plant protection in Antarctica. Large omissions in the protection of Antarctic botanical diversity were found. There was no protection of plant communities in 6 ACBRs, and in another 6, area was included in an ASPA that protected vegetation. Protected vegetation cover within the 33 ASPAs totaled 16.1 km(2) for the entire Antarctic continent; over half was within a single protected area. Over 96% of the protected vegetation was contained in 2 ACBRs, which together contributed only 7.8% of the continent's ice-free ground. We conclude that Antarctic botanical diversity is clearly inadequately protected and call for systematic designation of ASPAs protecting plant communities by the Antarctic Treaty Consultative Parties, the members of the governing body of the continent. © 2015 The Authors. Conservation Biology published by Wiley Periodicals, Inc. on behalf of Society

TH1 and TH2 cell polarization increases with aging and is modulated by zinc supplementation

OpenAIRE

2008-01-01

TH1 and TH2 cell polarization increases with aging and is modulated by zinc supplementation correspondence: Corresponding author. Tel.: +49 241 8080208; fax: +49 241 8082613. (Rink, Lothar) (Rink, Lothar) Institute of Immunology, University Hospital, RWTH Aachen University - Aachen--> - GERMANY (Uciechowski, Peter) Institute of Immunology, University Hospital, RWTH Aachen University - Aachen--> - GERMAN...

sozialwissenInvestigating public places and impacts of heat stress in the city of Aachen, Germany

Directory of Open Access Journals (Sweden)

Maras, Isabell

2014-04-01

Full Text Available Understanding the role of structure and social aspects regarding heat stress of people in urban areas requires an interdisciplinary scientific approach that connects methods from both natural sciences and social sciences. In this study, we combine three approaches to provide an interdisciplinary analysis of the structure and social components of heat stress in the city of Aachen, Germany. First, we assess the overall spatial structure of the urban heat island using spatially distributed measurements from mobile air temperature recordings on public transport units combined with spatially distributed geo-statistical data. The results indicate that the time of day matters: During the afternoon, areas with a relative low building density, like the industrial area northeast of the inner city, are the warmest, while surfaces in high-building-density areas like the inner city heat up faster during the evening. Second, we combine these measurements with place-based survey data collected in 2010 from residents aged 50 to 92 regarding their individual housing conditions, medical history and social integration to examine the match among heat-based stress of older residents, social conditions and elevated temperatures in their residential quarter. We identify disadvantaged areas for specific already-disadvantaged demographic groups in the city, pointing to a cumulation of inequalities, including heat stress among the most vulnerable. Third, we compare data of biometeorological measurements on urban public squares during the afternoon with results of the micrometeorological model ENVI-met to examine the spatial variability of the inner-city heat load. We complement the modelling results with on-site interviews to evaluate people’s heat perception at the same public places. A simulation shows that additional vegetation would increase thermal comfort at these public places, whereby the heat load assessed using the predicted mean vote (PMV value would

N-acetylaspartate (NAA) and N-acetylaspartylglutamate (NAAG) promote growth and inhibit differentiation of glioma stem-like cells.

Science.gov (United States)

Long, Patrick M; Moffett, John R; Namboodiri, Aryan M A; Viapiano, Mariano S; Lawler, Sean E; Jaworski, Diane M

2013-09-06

Metabolic reprogramming is a pathological feature of cancer and a driver of tumor cell transformation. N-Acetylaspartate (NAA) is one of the most abundant amino acid derivatives in the brain and serves as a source of metabolic acetate for oligodendrocyte myelination and protein/histone acetylation or a precursor for the synthesis of the neurotransmitter N-acetylaspartylglutamate (NAAG). NAA and NAAG as well as aspartoacylase (ASPA), the enzyme responsible for NAA degradation, are significantly reduced in glioma tumors, suggesting a possible role for decreased acetate metabolism in tumorigenesis. This study sought to examine the effects of NAA and NAAG on primary tumor-derived glioma stem-like cells (GSCs) from oligodendroglioma as well as proneural and mesenchymal glioblastoma, relative to oligodendrocyte progenitor cells (Oli-Neu). Although the NAA dicarboxylate transporter NaDC3 is primarily thought to be expressed by astrocytes, all cell lines expressed NaDC3 and, thus, are capable of NAA up-take. Treatment with NAA or NAAG significantly increased GSC growth and suppressed differentiation of Oli-Neu cells and proneural GSCs. Interestingly, ASPA was expressed in both the cytosol and nuclei of GSCs and exhibited greatest nuclear immunoreactivity in differentiation-resistant GSCs. Both NAA and NAAG elicited the expression of a novel immunoreactive ASPA species in select GSC nuclei, suggesting differential ASPA regulation in response to these metabolites. Therefore, this study highlights a potential role for nuclear ASPA expression in GSC malignancy and suggests that the use of NAA or NAAG is not an appropriate therapeutic approach to increase acetate bioavailability in glioma. Thus, an alternative acetate source is required.

N-Acetylaspartate (NAA) and N-Acetylaspartylglutamate (NAAG) Promote Growth and Inhibit Differentiation of Glioma Stem-like Cells*

Science.gov (United States)

Long, Patrick M.; Moffett, John R.; Namboodiri, Aryan M. A.; Viapiano, Mariano S.; Lawler, Sean E.; Jaworski, Diane M.

2013-01-01

Metabolic reprogramming is a pathological feature of cancer and a driver of tumor cell transformation. N-Acetylaspartate (NAA) is one of the most abundant amino acid derivatives in the brain and serves as a source of metabolic acetate for oligodendrocyte myelination and protein/histone acetylation or a precursor for the synthesis of the neurotransmitter N-acetylaspartylglutamate (NAAG). NAA and NAAG as well as aspartoacylase (ASPA), the enzyme responsible for NAA degradation, are significantly reduced in glioma tumors, suggesting a possible role for decreased acetate metabolism in tumorigenesis. This study sought to examine the effects of NAA and NAAG on primary tumor-derived glioma stem-like cells (GSCs) from oligodendroglioma as well as proneural and mesenchymal glioblastoma, relative to oligodendrocyte progenitor cells (Oli-Neu). Although the NAA dicarboxylate transporter NaDC3 is primarily thought to be expressed by astrocytes, all cell lines expressed NaDC3 and, thus, are capable of NAA up-take. Treatment with NAA or NAAG significantly increased GSC growth and suppressed differentiation of Oli-Neu cells and proneural GSCs. Interestingly, ASPA was expressed in both the cytosol and nuclei of GSCs and exhibited greatest nuclear immunoreactivity in differentiation-resistant GSCs. Both NAA and NAAG elicited the expression of a novel immunoreactive ASPA species in select GSC nuclei, suggesting differential ASPA regulation in response to these metabolites. Therefore, this study highlights a potential role for nuclear ASPA expression in GSC malignancy and suggests that the use of NAA or NAAG is not an appropriate therapeutic approach to increase acetate bioavailability in glioma. Thus, an alternative acetate source is required. PMID:23884408

The role of the protected area concept in protecting the world’s largest natural reserve: Antarctica

Directory of Open Access Journals (Sweden)

Kees Bastmeijer

2009-06-01

Full Text Available Should the entire Antarctic continent and the surrounding islands be recognised as a ‘protected area’ or as a continent where certain areas, just like anywhere else, may be designated as protected areas? To find an answer to this question, this paper first discusses the most important agreements and declarations on environmental protection in Antarctica. Next, these instruments are compared with the components of IUCN’s ‘protected area’ definition (2008. In the light of this overall protection of Antarctica, the instrument of designating areas as Antarctic Specially Protected Areas (ASPAs is discussed on the basis of a quick scan of 42 management plans for existing ASPAs. It is concluded that Antarctica could indeed be considered as a protected area and that the ASPA instrument is so shaped to provide specific areas with ‘extra protection’ by regulating human activities in those areas with a high level of detail. However, the continuous increase in human activities in Antarctica raises concerns with respect to the scope and completeness of the existing legal instruments. These concerns regarding the overall protection of Antarctica could become an argument for applying the ASPA instrument in respect of larger areas to ensure the comprehensive protection of at least certain parts of Antarctica. This would make the ASPA system more comparable with protected area systems in other parts of the world; however, strengthening the overall protection of Antarctica – parallel to the further development of the ‘specially’ protected area system - would be more consistent with Antarctica’s protected status as has developed since the Antarctic Treaty was signed 50 years ago.

Transcriptional regulation of N-acetylaspartate metabolism in the 5xFAD model of Alzheimer's disease: evidence for neuron-glia communication during energetic crisis.

Science.gov (United States)

Zaroff, Samantha; Leone, Paola; Markov, Vladimir; Francis, Jeremy S

2015-03-01

N-acetylaspartate (NAA) provides a non-invasive clinical index of neuronal metabolic integrity across the entire neurodegenerative spectrum. While NAA function is not comprehensively defined, reductions in the brain are associated with compromised mitochondrial metabolism and are tightly linked to ATP. We have undertaken an analysis of abnormalities in NAA during early stage pathology in the 5xFAD mouse model of familial Alzheimer's disease and show here that dysregulated expression of the gene encoding for the rate-limiting NAA synthetic enzyme (Nat8L) is associated with deficits in mitochondrial oxidative phosphorylation in this model system. Downreguation of Nat8L is particularly pronounced in the 5xFAD hippocampus, and is preceded by a significant upregulation of oligodendrocytic aspartoacylase (aspa), which encodes for the sole known NAA-catabolizing enzyme in the brain. Reductions in 5xFAD NAA and Nat8L cannot be accounted for by discrepancies in either neuron content or activity of the substrate-providing malate-aspartate shuttle, thereby implicating transcriptional regulation in a coordinated response to pathological energetic crisis. A central role for ASPA in this response is supported by a parallel developmental analysis showing highly significant increases in Nat8L expression in an ASPA-null mouse model during a period of early postnatal development normally punctuated by the transcriptional upregulation of aspa. These results provide preliminary evidence of a signaling mechanism in Alzheimer's disease that involves cross talk between neurons and oligodendrocytes, and suggest that ASPA acts to negatively regulate Nat8L expression. This mechanism is proposed to be a fundamental means by which the brain conserves available substrate during energy crises. Copyright © 2015 Elsevier Inc. All rights reserved.

The Aachen Mobility and Balance Index to measure physiological falls risk: a comparison with the Tinetti POMA Scale.

Science.gov (United States)

Knobe, M; Giesen, M; Plate, S; Gradl-Dietsch, G; Buecking, B; Eschbach, D; van Laack, W; Pape, H-C

2016-10-01

The most commonly used mobility assessments for screening risk of falls among older adults are rating scales such as the Tinetti performance oriented mobility assessment (POMA). However, its correlation with falls is not always predictable and disadvantages of the scale include difficulty to assess many of the items on a 3-point scale and poor specificity. The purpose of this study was to describe the ability of the new Aachen Mobility and Balance Index (AMBI) to discriminate between subjects with a fall history and subjects without such events in comparison to the Tinetti POMA Scale. For this prospective cohort study, 24 participants in the study group and 10 in the control group were selected from a population of patients in our hospital who had met the stringent inclusion criteria. Both groups completed the Tinetti POMA Scale (gait and balance component) and the AMBI (tandem stance, tandem walk, ten-meter-walk-test, sit-to-stand with five repetitions, 360° turns, timed-up-and-go-test and measurement of the dominant hand grip strength). A history of falls and hospitalization in the past year were evaluated retrospectively. The relationships among the mobility tests were examined with Bland-Altmananalysis. Receiver-operated characteristics curves, sensitivity and specificity were calculated. The study showed a strong negative correlation between the AMBI (17 points max., highest fall risk) and Tinetti POMA Scale (28 points max., lowest fall risk; r = -0.78, p control group. However, there were no differences in any of the mobility and balance measurements between participants with and without a fall history with equal characteristics in test comparison (AMBI vs. Tinetti POMA Scale: AUC 0.570 vs. 0.598; p = 0.762). The Tinetti POMA Scale (cut-off 5 points). The AMBI comprises mobility and balance tasks with increasing difficulty as well as a measurement of the dominant hand-grip strength. Its ability to identify fallers was comparable to the Tinetti POMA

A new mouse model of Canavan leukodystrophy displays hearing impairment due to central nervous system dysmyelination

Directory of Open Access Journals (Sweden)

Marina R. Carpinelli

2014-06-01

Full Text Available Canavan disease is a leukodystrophy caused by mutations in the ASPA gene. This gene encodes the enzyme that converts N-acetylaspartate into acetate and aspartic acid. In Canavan disease, spongiform encephalopathy of the brain causes progressive mental retardation, motor deficit and death. We have isolated a mouse with a novel ethylnitrosourea-induced mutation in Aspa. This mutant, named deaf14, carries a c.516T>A mutation that is predicted to cause a p.Y172X protein truncation. No full-length ASPA protein is produced in deaf14 brain and there is extensive spongy degeneration. Interestingly, we found that deaf14 mice have an attenuated startle in response to loud noise. The first auditory brainstem response peak has normal latency and amplitude but peaks II, III, IV and V have increased latency and decreased amplitude in deaf14 mice. Our work reveals a hitherto unappreciated pathology in a mouse model of Canavan disease, implying that auditory brainstem response testing could be used in diagnosis and to monitor the progression of this disease.

Profile of bosutinib and its clinical potential in the treatment of chronic myeloid leukemia

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Keller-von Amsberg G

2013-03-01

Full Text Available Gunhild Keller-von Amsberg,1 Steffen Koschmieder21Department of Hematology and Oncology, University Cancer Center Hamburg, University Hospital Hamburg Eppendorf, 2Department of Medicine (Hematology, Oncology, and Stem Cell Transplantation, University Medical Center of Aachen and RWTH Aachen University, Aachen, GermanyAbstract: Bosutinib (SKI-606 is an orally available, once-daily, dual Src and Abl kinase inhibitor with promising clinical potential in first-, second-, and third-line treatment of chronic myeloid leukemia (CML. Bosutinib effectively inhibits wild-type BCR-ABL and most imatinib-resistant BCR-ABL mutations except for V299L and T315I. Low hematologic toxicity is a remarkable characteristic of this novel second-generation tyrosine kinase inhibitor, and this has been ascribed to its minimal activity against the platelet-derived growth factor receptor and KIT. Low-grade, typically self-limiting diarrhea, which usually appears within the first few weeks after treatment initiation, represents the predominant toxicity of bosutinib. Other treatment-associated adverse events are mostly mild to moderate. Bosutinib has been approved by the US Food and Drug Administration for the treatment of chronic, accelerated, or blast phase Philadelphia chromosome-positive CML in adult patients with resistance or intolerance to prior therapy. This review summarizes the main properties of bosutinib and the currently available data on its clinical potential in the treatment of CML.Keywords: bosutinib, chronic myeloid leukemia, BCR-ABL, Src/Abl kinase inhibitor, point mutation, imatinib resistance

Original paper Cytokine profiles in axial spondyloarthritis

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Marta Madej

2015-04-01

Full Text Available Objectives: Current studies concentrate on the cytokine network and its role in the pathogenesis of spondyloarthritis (SpA. In this study, we analyzed whether the serum cytokine profile (interleukins: IL-10, IL-11, IL-12, IL-15, IL-17, IL-23 and IL-33 correlates with demographic data, clinical manifestations, disease activity and treatment outcome in a group of patients with axial spondyloarthritis. Material and methods: Forty-nine patients with an established diagnosis of axial spondyloarthritis (aSpA and 19 healthy volunteers as controls were enrolled in the study. Clinical evaluation included patient’s medical history, 44 joint count, back pain intensity and global disease activity in the preceding week (VAS, the duration of morning stiffness and blood tests. Disease activity was assessed using BASDAI and ASDAS-CRP. Serum concentration of IL-10, IL-11, IL-12, IL-15, IL-17, IL-23 and IL-33 was determined. Results : In patients with aSpA, elevated serum concentration of IL-10, IL-15, IL-17 and IL-23 was detected. In the aSpA group we detected higher values of serum concentration of IL-23 and IL-33 in the subgroup with anterior uveitis (83.1 ±184.0 pg/ml vs. 14.0 ±17.1 pg/ml, p < 0.0001 and 45.5 ±71.9 pg/ml vs. 18.4 ±14.3 pg/ml, p < 0.0001, respectively. Additionally, in the subgroup with peripheral arthritis, elevation of serum concentration of IL-12 (249.3 ±246.9 pg/ml vs. 99.9 ±105.9 pg/ml, p = 0.0001 was detected. Patients with preradiological SpA had higher serum concentration of IL-17 than patients with established diagnosis of AS (6.37 ±8.50 pg/ml vs. 2.04 ±2.98 pg/ml, p = 0.0295. No differences in serum concentration of analyzed cytokines were found between the subgroup with low to moderate disease activity and the subgroup with high to very high disease activity. Conclusions : We report that in aSpA patients, compared to controls, elevated serum concentrations of IL-10, IL-15, IL-17 and IL-23 were observed. Some cytokines may

76 FR 30203 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978 (Pub. L. 95-541)

Science.gov (United States)

2011-05-24

... station. The new AWS will be installed on a tripod support and will include standard meteorological instrumentation (wind, pressure, solar radiation, temperature and relative humidity). Location: Cape Hallett--ASPA...

76 FR 72724 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978 (Pub. L. 95-541)

Science.gov (United States)

2011-11-25

... activities in Antarctica and designation of certain animals and certain geographic areas a requiring special... this apex predator that might be indicative of ecosystem change. Location Cape Evans (ASPA 155...

78 FR 56744 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978 (Pub. L. 95-541)

Science.gov (United States)

2013-09-13

... (ASMA 7). All materials collected would be salvaged; the applicant would not interact with live animals... birds and mammals. Location ASPA 149 Cape Shireff and ASMA 7 Southwest Anvers Island (Palmer Station...

Small-scale variability of particulate matter and perception of air quality in an inner-city recreational area in Aachen, Germany

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Bastian Paas

2016-06-01

Full Text Available Spatial micro-scale variability of particle mass concentrations is an important criterion for urban air quality assessment. In this study we present results from detailed spatio-temporal measurements in the urban roughness layer along with a survey to determine perceptions of citizens regarding air quality in an inner city park in Aachen, Germany. Particles were sampled with two different approaches in February, May, July and September 2014 using an optical particle counter at six fixed measurement locations, representing different degrees of outdoor particle exposure that can be experienced by a pedestrian walking in an intra-urban recreational area. A simulation of aerosol emissions induced by road traffic was conducted using the German reference dispersion model Austal2000. The mobile measurements revealed unexpected details in the distribution of urban particles with highest mean concentrations of PM(1;10$\\text{PM}_{(1;10}$ inside the green area 100 m away from bus routes (arithmetic mean: 22.5 μg m−3 and 18.9 μg m−3; geometric mean: 9.3 μg m−3 and 6.5 μg m−3, whereas measurement sites in close proximity to traffic lines showed far lower mean values (arithmetic mean: 7.5 μg m−3 and 8.7 μg m−3; geometric mean: 5.8 μg m−3 and 6.5 μg m−3. Concerning simulation results, motor traffic is still proved to be an important aerosol source in the area, although the corresponding concentrations declined rapidly as the distances to the line sources increased. Further analysis leads to the assumption that particularly coarse particles were emitted through diffuse sources e.g. on the ability of surfaces to release particles by resuspension which were dominantly apparent in measured PM(1;10$\\text{PM}_{(1;10}$ and PM(0.25;10$\\text{PM}_{(0.25;10}$ data. The contribution of diffuse particle sources and urban background transport to local PM(0.25;10$\\text{PM}_{(0.25;10}$ concentrations inside the

78 FR 52804 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978 (Pub. L. 95-541)

Science.gov (United States)

2013-08-26

... escort is cognizant of--and will follow the requirements contained in--the ASPA management plans and the...'' documentary procedures with regard to the natural environment as well as to adhere to all USAP operations and...

Landforms and Landform Evolution in West Germany: International Conference on Geomorphology (2nd) Held in Frankfurt am Main on 3-9 September 1989. CATENA Supplement 15

Science.gov (United States)

1989-01-01

Lakes 107 9. Hans- Rudolf Bork Soil erosion during the past millenium in central Europe and its significance within the geomorphodynamics of the...Institut der RWTH Aachen SEMMEL, A. (1980): Geomorphologie der Bun- Templergraben 55 desrepublik Deutschland. Steiner , Wiesbaden, D-5100 Aachen 4th...Hauptabdachung am Rhein- 250 m. The late Tertiary and Quaternary durchbruch bei Bingen und im Gebiet der Id- Steiner Querfurche, Westdeutschland. Z. Geo

Impact of upscaling new technologies on factory layouts and outsourcing strategies in the case of translucent concrete

OpenAIRE

Pich-Aguilera Molins, Regina

2011-01-01

LUCEM GmbH, Stolberg, Germany, is one of the few companies around the world that produces light transmitting concrete, a product that enables to conduct light through a concrete element. Created in 2007 as a startup from the Institute für Textiltechnik (ITA) at RWTH Aachen, Germany, it has initially been working on the development of the material and the production process. Since 2010, LUCEM has started developing a marketing plan to expand the knowledge of the new technology and increase sal...

77 FR 16566 - Notice of Permit Applications Received under the Antarctic Conservation Act of 1978

Science.gov (United States)

2012-03-21

..., Information Systems & Global Solutions (I&GS), Engineering Services Segment, Celia Lang, Program Director... Enter Antarctic Specially Protected Areas (ASPAs). The applicant plans to only transit through the...-- Eastern Dallmann Bay) when truly necessary. The areas' management plans allow transit through the areas so...

Establishment of a biophysical model to optimize endoscopic targeting of magnetic nanoparticles for cancer treatment

Directory of Open Access Journals (Sweden)

Roeth AA

2017-08-01

Full Text Available Anjali A Roeth,1,* Ioana Slabu,2,* Martin Baumann,2 Patrick H Alizai,1 Maximilian Schmeding,1 Gernot Guentherodt,3 Thomas Schmitz-Rode,2 Ulf P Neumann1 1Department of General, Visceral and Transplant Surgery, University Hospital RWTH Aachen, 2Institute of Applied Medical Engineering, Helmholtz-Institute Aachen, RWTH Aachen, Aachen, 3Institute of Physics A, RWTH Aachen University, Aachen, Germany *These authors contributed equally to this work Abstract: Superparamagnetic iron oxide nanoparticles (SPION may be used for local tumor treatment by coupling them to a drug and accumulating them locally with magnetic field traps, that is, a combination of permanent magnets and coils. Thereafter, an alternating magnetic field generates heat which may be used to release the thermosensitively bound drug and for hyperthermia. Until today, only superficial tumors can be treated with this method. Our aim was to transfer this method into an endoscopic setting to also reach the majority of tumors located inside the body. To find the ideal endoscopic magnetic field trap, which accumulates the most SPION, we first developed a biophysical model considering anatomical as well as physical conditions. Entities of choice were esophageal and prostate cancer. The magnetic susceptibilities of different porcine and rat tissues were measured with a superconducting quantum interference device. All tissues showed diamagnetic behavior. The evaluation of clinical data (computed tomography scan, endosonography, surgical reports, pathological evaluation of patients gave insight into the topographical relationship between the tumor and its surroundings. Both were used to establish the biophysical model of the tumors and their surroundings, closely mirroring the clinical situation, in which we could virtually design, place and evaluate different electromagnetic coil configurations to find optimized magnetic field traps for each tumor entity. By simulation, we could show that the

76 FR 39905 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978 (Pub. L. 95-541)

Science.gov (United States)

2011-07-07

... Antarctic Conservation Act of 1978 (Pub. L. 95-541), as amended by the Antarctic Science, Tourism and... ASPA 134--Cierva Point and Offshore islands, Danco Coast, Antarctica, to install boreholes and a soil... occurrence and properties, and soil properties along a latitudinal gradient on the western Antarctic...

Genetics Home Reference: Canavan disease

Science.gov (United States)

... aspartic acid (NAA), which is predominantly found in neurons in the brain. The function of NAA is unclear. Researchers had suspected that ... in the transport of water molecules out of neurons. Mutations in the ASPA gene reduce the function of aspartoacylase, which prevents the normal breakdown of ...

77 FR 60477 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978

Science.gov (United States)

2012-10-03

... 1978 (Pub. L. 95-541), as amended by the Antarctic Science, Tourism and Conservation Act of 1996, has... Royds, Turtle Rock, and Bratina Island to collect soil samples and take permafrost measurements. These... 121-Cape Royds, and ASPA 124-Cape Crozier to collect soils and associated terrestrial invertebrates...

76 FR 52354 - Notice of Permit Application Received Under the Antarctic Conservation Act of 1978

Science.gov (United States)

2011-08-22

... can be broken and release plastic into the ocean. (2) Fishing nets: (a) Plankton nets come in a... in ASPA 149-Cape Shirreff, Livingston Island by the Antarctic Marine Living Resources (AMLR) Program... release of a designated pollutant in Antarctica, and for the release of waste in Antarctica. NSF has...

The Effects of Autonomy Support on Student Engagement in Peer Assessment

Science.gov (United States)

Yuan, Jiangmei; Kim, ChanMin

2018-01-01

Although peer assessment is widely implemented in higher education, not all students are highly engaged in it. To enhance student engagement in peer assessment, we designed and developed a web-based tool, autonomy-supportive peer assessment (ASPA), to support students' need for autonomy when they conducted peer assessment. Students' sense of…

6. Nathanièl New notes 3.pmd

African Journals Online (AJOL)

chifaou.amzat

19 mai 2017 ... génocide et crimes d'agression, la CPI fait face à des critiques très acerbes ...... président Bush signe, le 2 août 2002, la loi ASPA50 qui est à ...... permanente du financement du secteur de la justice, l'absence de volonté de.

75 FR 26287 - Notice of Permit Applications Received Under the Antarctic Conservation Act of 1978 (Pub. L. 95-541)

Science.gov (United States)

2010-05-11

... soil fauna within the McMurdo Dry Valleys and their influence on the ecosystem function, and to... USA. The applicant plans to enter the Canada Glacier area (ASPA 131) to collect a number of soil and... barren dry soils, moist to wet soils, and soils and sediment associated with mosses, lichens and algal...

Tallado de hélices por el método de copiado por proyección

Directory of Open Access Journals (Sweden)

José Vicente Fierro Vasco

1983-01-01

Full Text Available Este dispositivo fue diseñado como parte de la investigación sobre Aerogeneradores que se está llevando a cabo en el Departamento de Ingeniería Mecánica, cuyo investigador principal es el Ing. Julio Mario Rodríguez Devis. Como parte inicial de la investigación se adecuó un túnel situado en el Laboratorio de Hidráulica para hacer las pruebas de modelos. En la construcción de dichos modelos se requiere una buena precisión en la hechura de las aspas del molino, en especial por el tamaño reducido de liste. Se debe garantizar que el perfil aerodinámico se conserve a lo largo del aspa, por lo que se requiere de un dispositivo capaz de tallar los álabes con la precisión y rapidez necesarias. Los resultados del trabajo fueron presentados al concurso del premio Worthington de la Ingeniería Colombiana 1982 (Categoría estudiantes, por los estudiantes que trabajaron en el proyecto, siendo acreedores al primer puesto.

In competition for the best energy-plus building. German teams score at Solar Decathlon Europe 2012 with architecture, engineering and marketing opportunities; Im Wettkampf um das beste Plusenergiehaus. Deutsche Teams punkten beim Solar Decathlon Europe 2012 mit Architektur, Konstruktion und Vermarktungschancen

Energy Technology Data Exchange (ETDEWEB)

Gintars, Dorothee

2012-07-01

For the competition, 18 interdisciplinary student teams from all over the world developed and built houses that generate at least as much energy - using solar systems - as they consume. They were supported by their universities, researchers and companies. From Germany, students took part from Hochschule Konstanz University of Applied Sciences (HTWG) and RWTH Aachen University, supported with government energy research funds. Whereas the design from Constance has perfected a modular construction system, with the Aachen team the focus is on recycling. After ten disciplines, the two homes achieved 4{sup th} and 5{sup th} places. (orig.)

Avaliação das habilidades auditivas em crianças com alterações de aprendizagem Evaluating auditory abilities in children with learning disabilities

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Tatiane Maria Pelitero

2010-08-01

Full Text Available OBJETIVO: comparar o desempenho na Avaliação Simplificada do Processamento Auditivo (ASPA e no Pediatric Speech Intelligibility Test (PSI, de crianças com alteração de Aprendizagem da Leitura e Escrita e sem este tipo de alteração. MÉTODOS: participaram da pesquisa 28 crianças na faixa etária de 8 a 12 anos, do sexo masculino e feminino. Os participantes foram submetidos ao Teste de Desempenho Escolar (TDE para a categorização dos grupos de estudo e controle, e, para avaliação das habilidades auditivas foram aplicados a ASPA e o Teste PSI. RESULTADOS: não foi observada associação estatisticamente significante entre o desempenho nos testes de Processamento Auditivo (PA e o grupo com dificuldades de aprendizagem, apesar de ter sido verificada maior frequência de alterações no grupo de estudo em relação ao grupo controle, em todos os testes. Na ASPA, o teste em que se observou maior número de alterações foi o Teste de Memória Sequencial Verbal, contudo, o Teste de Memória Sequencial Não-verbal foi o que mostrou maior diferença entre os grupos. CONCLUSÃO: Não foram encontradas diferenças estatisticamente significantes no desempenho na Avaliação Simplificada do Processamento Auditivo (ASPA e no Pediatric Speech Intelligibility Test (PSI, das crianças com alteração de Aprendizagem da Leitura e Escrita e sem alteração.PURPOSE: to compare performance of children with or without alterations in reading and writing skills acquisition in the Simplified Auditory Processing Test (SAPT and the Pediatric Speech Intelligibility (PSI tests. METHODS: twenty-eight female and male children aged 8-12 took part in this study. The subjects did the Academic Achievement Test (TDE in order to be placed in the study group or control group and, for the assessment of hearing abilities, they took the SAPT and the PSI tests. RESULTS: no statistically significant association was found between performances in tests for hearing processing

Integrated image data and medical record management for rare disease registries. A general framework and its instantiation to theGerman Calciphylaxis Registry.

Science.gov (United States)

Deserno, Thomas M; Haak, Daniel; Brandenburg, Vincent; Deserno, Verena; Classen, Christoph; Specht, Paula

2014-12-01

Especially for investigator-initiated research at universities and academic institutions, Internet-based rare disease registries (RDR) are required that integrate electronic data capture (EDC) with automatic image analysis or manual image annotation. We propose a modular framework merging alpha-numerical and binary data capture. In concordance with the Office of Rare Diseases Research recommendations, a requirement analysis was performed based on several RDR databases currently hosted at Uniklinik RWTH Aachen, Germany. With respect to the study management tool that is already successfully operating at the Clinical Trial Center Aachen, the Google Web Toolkit was chosen with Hibernate and Gilead connecting a MySQL database management system. Image and signal data integration and processing is supported by Apache Commons FileUpload-Library and ImageJ-based Java code, respectively. As a proof of concept, the framework is instantiated to the German Calciphylaxis Registry. The framework is composed of five mandatory core modules: (1) Data Core, (2) EDC, (3) Access Control, (4) Audit Trail, and (5) Terminology as well as six optional modules: (6) Binary Large Object (BLOB), (7) BLOB Analysis, (8) Standard Operation Procedure, (9) Communication, (10) Pseudonymization, and (11) Biorepository. Modules 1-7 are implemented in the German Calciphylaxis Registry. The proposed RDR framework is easily instantiated and directly integrates image management and analysis. As open source software, it may assist improved data collection and analysis of rare diseases in near future.

VT Professor Wins National Public Administration Award -- This marks the 2nd year in a row the award has been given to a Virginia Tech professor

OpenAIRE

Newbill, Sarah

2003-01-01

Charles Goodsell, professor emeritus in the Center for Public Administration & Policy (CPAP), will be awarded the American Society for Public Administration's Dwight Waldo Award for 2003 at the society's 64th national conference in Washington, D.C. in March. Goodsell will receive this distinction for outstanding lifetime contributions to the literature of public administration. He will also be featured in a future issue of ASPA's "Public Administration Review".

Initiation devices, initiation systems including initiation devices and related methods

Energy Technology Data Exchange (ETDEWEB)

Daniels, Michael A.; Condit, Reston A.; Rasmussen, Nikki; Wallace, Ronald S.

2018-04-10

Initiation devices may include at least one substrate, an initiation element positioned on a first side of the at least one substrate, and a spark gap electrically coupled to the initiation element and positioned on a second side of the at least one substrate. Initiation devices may include a plurality of substrates where at least one substrate of the plurality of substrates is electrically connected to at least one adjacent substrate of the plurality of substrates with at least one via extending through the at least one substrate. Initiation systems may include such initiation devices. Methods of igniting energetic materials include passing a current through a spark gap formed on at least one substrate of the initiation device, passing the current through at least one via formed through the at least one substrate, and passing the current through an explosive bridge wire of the initiation device.

Literature and Imagology: a productive interaction: the contribution of comparative literature at the University of Aache

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Celeste H. M. Ribeiro de Sousa

2011-01-01

Full Text Available The University of Aachen harbored for years the main centre of Studies on Imagology of Germany and perhaps of the world. The Center was founded by Hugo Dyserinck, who, in 1966, with the article "Zum Problem der 'images' und 'mirages' und ihrer Untersuchung im Rahmen der vergleichenden Literaturwissenschaft" opened the doors to a new Imagology. He gathered there disciples, who roamed the new horizons with extensive research, which led to the publication of the collection "Aachener Beiträge zur Komparatistik". In Brazil, the influence of Dyserinck was also felt, for example, in the publication of my book Do cá e do lá. Introdução à Imagologia, whose content is in part commented and illustrated.

Johann Barvitius als Mäzen im rudolfinischen Prag

Czech Academy of Sciences Publication Activity Database

Šroněk, Michal

-, č. 8 (2008), s. 49-57 ISSN 1213-5372 Institutional research plan: CEZ:AV0Z80330511 Keywords : Rudolfine art * Hans von Aachen * Johann Barvitius Subject RIV: AL - Art, Architecture, Cultural Heritage

The International Criminal Court: Time to Adjust American Foreign Policy

Science.gov (United States)

2009-05-26

million Cambodians , this slaughter, to some, is not genocide because it was based on politically- divided groups and not based on reasons due to...the Crime of Genocide , essentially establishing the international crime of genocide . The Convention dictated that genocide must be tried by the State in... genocide , and crimes against humanity.29 On 1 July 2003, the Bush Administration invoked one of the provisions of the ASPA and terminated military assistance

Clean air litigation; Klagen fuer Saubere Luft

Energy Technology Data Exchange (ETDEWEB)

NONE

2016-11-11

The pollution of air by nitrogen dioxide (NO{sub 2}) in cities is one of the central challenges of air pollution in Germany, in addition to the pollution of particulate matter (PM10). In cooperation with the British non-governmental organization ClientEarth, the German Environmental Aid (DUH) filed a lawsuit in November 2015 for exceeding air quality limits for NO{sub 2}. The cities of Stuttgart, Frankfurt, Duesseldorf, Essen, Gelsenkirchen, Aachen, Cologne and Bonn are affected. Here, citizens are constantly exposed to high air pollution. Because of the excess of the NO{sub 2} limits at all traffic-related measuring stations in Berlin, the DUH initiated legal steps and filed a lawsuit too in June 2016. With the lawsuits, DUH wants to promote the implementation of measures to reduce NO{sub 2} in Germany. [German] Die Belastung der Luft durch Stickstoffdioxid (NO{sub 2}) in Staedten ist neben der Belastung durch Feinstaub (PM10) eine der zentralen Herausforderungen der Luftreinhaltung in Deutschland. In Zusammenarbeit mit der britischen Nichtregierungsorganisation ClientEarth legte die Deutsche Umwelthilfe (DUH) im November 2015 Klage wegen Ueberschreitung der Luftqualitaetsgrenzwerte fuer NO{sub 2}ein. Betroffen sind die Staedte Stuttgart, Frankfurt, Duesseldorf, Essen, Gelsenkirchen, Aachen, Koeln und Bonn. Hier sind Buergerinnen und Buerger anhaltend zu hoher Luftverschmutzung ausgesetzt. Wegen Ueberschreitung der NO{sub 2}-Grenzwerte an allen verkehrsnahen Messstationen in Berlin hat die DUH im Juni 2016 auch hier rechtliche Schritte eingeleitet und Klage eingereicht. Mit den Klagen will die DUH die Umsetzung von Massnahmen zur NO{sub 2}-Reduktion in Deutschland voranbringen.

La voz ajena y la alteridad en los libros de texto. Un estudio polifónico-argumentativo en textos escolares argentinos

Directory of Open Access Journals (Sweden)

Carolina L. Tosi

2008-12-01

Full Text Available O objetivo deste trabalho é estudar as formas de configuração da alteridade no gênero livro-texto escrito em espanhol. Num corpus de nove livros-texto de nível secundário publicados na Argentina correspondentes a três disciplinas (Língua, Ciências Sociais e Ciências Naturais, analisam-se, em primeiro lugar, as formas da referência ao discurso do outro em cenografias enunciativas (scénographie énonciative, MAINGUENEAU, 1999 e 2004, que sem dúvida constituem os espaços mais evidentes da alteridade nesse gênero. São também abordados os mecanismos da alusão a vozes alheias dentro dos segmentos explicativos e as diferentes atitudes adotadas pelo autor. Nesse marco, estudamos as marcas da heterogeneidade mostrada marcada (AUTHIER, 1994, por um lado, as aspas e, pelo outro, o itálico e o negrito, que permitem ao autor se referir e comentar outros discursos. Considera-se que as cenografias são utilizadas para incorporar em forma explícita discursos que funcionam como aval da exposição, enquanto que outros elementos micro discursivos, como as aspas e o uso especial de tipografia, introduzem dentro do corpo teórico a alteridade e o ponto de vista do autor em forma solapada, acorde com as normas do gênero. --- Artigo em espanhol.

Proel5: metodología de diseño

Directory of Open Access Journals (Sweden)

Miguel Ángel Vega Márquez

1991-09-01

Full Text Available El presente artículo busca presentar de una manera breve cómo ha evolucionado el proceso de diseño y construcción de un aerogenerador de 5 kw, como parte del trabajo del equipo de Investigación en Energía Eólica. A partir de una descripción general del equipo, se centra la exposición en la forma como se han calculado los esfuerzos cortantes a lo largo del aspa.

A novel implantable electromechanical ventricular assist device - First acute animal testing

NARCIS (Netherlands)

Kaufmann, R; Rakhorst, G; Mihaylov, D; Elstrodt, J; Nix, C; Reul, H; Rau, G

1997-01-01

A novel ventricular assist device (HIA-EMLVAD-AT1, Helmholtz Institute Aachen-electromechanical Left Ventricular Assist Device-Animal Test Version 1), driven by a uniformly and unidirectionally rotating actuator and a patented hypocycloidic pusherplate displacement gear unit, was developed and

The Institute for Mining Science I at the Rhineland-Westphalia Technological University in Aachen; Das Institut fuer Bergbaukunde I der RWTH Aachen

Energy Technology Data Exchange (ETDEWEB)

Martens, P.N.; Moellerherm, S.; Rattmann, L. [Technische Hochschule Aachen (Germany). Lehrstuhl und Inst. fuer Bergbaukunde 1

2001-02-08

The Institute for Mining Science I has been associated with the extraction of raw materials for over one hundred years. The main areas of work of the Institute have always been adapted to current requirements according to general developments in the raw materials sector and in this environment. The work in research and teaching has recently been extended by new fields. Today mining and sustained handling of resources, geotechnics, raw material management and underground disposal of waste are examples of parts of a comprehensive range of competences. The close interlinking of theory and practice allows students to broaden their knowledge in interdisciplinary and international projects. The graduates are thus prepared in an excellent manner for their future tasks. (orig.) [German] Seit ueber hundert Jahren steht das Institut fuer Bergbaukunde I fuer Gewinnung von Rohstoffen. Schwerpunkte der Arbeiten des Instituts wurden, allgemeinen Entwicklungen in der Rohstoffbranche und in deren Umfeld entsprechend, stets den aktuellen Erfordernissen angepasst. Die Arbeit in Forschung und Lehre ist in den letzten Jahren um neue Bereiche erweitert worden. Heute sind Bergbau und nachhaltiger Umfang mit Ressourcen, Geotechnik, Rohstoffwirtschaft sowie untertaegige Abfallentsorgung als Beispiele fuer Teile eines umfassenden Kompetenzspektrums zu nennen. Die enge Verzahnung von Theorie und Praxis ermoeglicht Studierenden, ihre Kenntnisse fruehzeitig in interdisziplinaeren und internationalen Projekten zu vertiefen. Damit werden die Absolventen auf ihre zukuenftigen Aufgaben in hervorragender Weise vorbereitet. (orig.)

Teachers’ perceptions of their own initiative: Collective initiative vs. personal initiative

Directory of Open Access Journals (Sweden)

Džinović Vladimir

2013-01-01

Full Text Available Current trends in education demand from teachers to exhibit proactive behaviour and assume responsibility for the implementation of changes in school practice. In that sense, it is important to study how teachers perceive their own initiative and to gain insight into the activities where such initiative is demonstrated. This study has been conceived as a mixed-methods research. The qualitative study implied forming four focus groups with subject teachers and class teachers (N=38, while the quantitative study entailed surveying 1441 teachers in forty primary schools in Serbia using the questionnaire constructed based on qualitative data. Data from focus groups were processed by qualitative thematic analysis, while the questionnaire data were processed by principal component analysis and univariate analysis of variance. The findings of the study have shown that teachers mostly demonstrate initiative through co­operative activities that include planning of joint teaching as well as conducting joint projects within school and with the local community actors. Teachers are least ready to demonstrate personal initiative and the initiative aimed at accomplishing considerable changes in school work. The concluding part includes the recommendations for encouraging teachers’ personal initiative and building organizational culture that would support such initiative. [Projekat Ministarstva nauke Republike Srbije, br. br. 47008: Unapređivanje kvaliteta i dostupnosti obrazovanja u procesima modernizacije Srbije i br. 179034: Od podsticanja inicijative, saradnje i stvaralaštva u obrazovanju do novih uloga i identiteta u društvu

Calibration results using highly aberrated images for aligning the JWST instruments to the telescope

Science.gov (United States)

Smith, Koby Z.; Acton, D. Scott; Gallagher, Ben B.; Knight, J. Scott; Dean, Bruce H.; Jurling, Alden S.; Zielinski, Thomas P.

2016-07-01

The James Webb Space Telescope (JWST) project is an international collaboration led by NASA's Goddard Space Flight Center (GSFC) in Greenbelt, MD. JWST is NASA's flagship observatory that will operate nearly a million miles away from Earth at the L2 Lagrange point. JWST's optical design is a three-mirror anastigmat with four main optical components; 1) the eighteen Primary Mirror Segment Assemblies (PMSA), 2) a single Secondary Mirror Assembly (SMA), 3) an Aft-Optics Subsystem (AOS) consisting of a Tertiary Mirror and Fine Steering Mirror, and 4) an Integrated Science Instrument Module consisting of the various instruments for JWST. JWST's optical system has been designed to accommodate a significant amount of alignment capability and risk with the PMSAs and SMA having rigid body motion available on-orbit just for alignment purposes. However, the Aft-Optics Subsystem (AOS) and Integrated Science Instrument Module (ISIM) are essentially fixed optical subsystems within JWST, and therefore the cryogenic alignment of the AOS to the ISIM is critical to the optical performance and mission success of JWST. In support of this cryogenic alignment of the AOS to ISIM, an array of fiber optic sources, known as the AOS Source Plate Assembly (ASPA), are placed near the intermediate image location of JWST (between the secondary and tertiary mirrors) during thermal vacuum ground-test operations. The AOS produces images of the ASPA fiber optic sources at the JWST focal surface location, where they are captured by the various science instruments. In this manner, the AOS provides an optical yardstick by which the instruments within ISIM can evaluate their relative positions to and the alignment of the AOS to ISIM can be quantified. However, since the ASPA is located at the intermediate image location of the JWST three-mirror anastigmat design, the images of these fiber optic sources produced by the AOS are highly aberrated with approximately 2-3μm RMS wavefront error consisting

Materials Research Society, Symposium Proceedings, Volume 521. Porous and Cellular Materials for Structural Applications

Science.gov (United States)

1998-04-15

UTRC GmbH, Technologiezentrum, Am Europaplatz, D-52068 Aachen, Germany. SaenzE@ctaero.com **UTRC, S.L. c/o CTA Parque Tecnologico de...Alava. 01510 Mifiano (Alava). Spain. barandap @ eng 1 .otis .com ***ITMA, Parque Tecnologico de Asturias, 33 428 Corufio-Llanera, Spain

Elaboración de un modelo basado en CFD para predecir el comportamiento de un Aerogenerador de Eje Vertical

OpenAIRE

Vega Angulo, Carmen Victoria

2012-01-01

El presente Trabajo Fin de Máster tiene como objetivo elaborar un modelo numérico basado en la Mecánica de Fluidos Computacional que permita predecir el comportamiento aerodinámico de un aerogenerador de eje vertical. Para este estudio fue seleccionado un aerogenerador tipo H-Darrieus de tres aspas con dimensiones tomadas de la referencia [Gupta, 2010]. Para elaborar el modelo en CFD, fue necesario discretizar el dominio en pequeñas celdas mediante el programa Gambit v.2.3.16 y es...

Why Did Early Industrial Capitalists Suggest Minimum Wages and Social Insurance?

DEFF Research Database (Denmark)

Reckendrees, Alfred

of Aachen (Prussian Rhineprovince) suggested to implement collective labour rules regulating working hours and wages. In the 1860s –20 years before Bismarck– they proposed a mandatory pension system with equal contributions of employers and employees; they suggested labour conflict resolution by joint...

Why Did Early Industrial Capitalists Suggest Minimum Wages and Social Insurance?

DEFF Research Database (Denmark)

Reckendrees, Alfred

of Aachen (Prussian Rhineprovince) suggested to implement collective labour rules regulating working hours and wages. In the 1860s – 20 years before Bismarck – they proposed a mandatory pension system with equal contributions of employers and employees; they suggested labour conflict resolution by joint...

12th International Symposium Continuous Surface Mining

CERN Document Server

2015-01-01

This edited volume contains research results presented at the 12th International Symposium Continuous Surface Mining, ISCSM Aachen 2014. The target audience primarily comprises researchers in the lignite mining industry and practitioners in this field but the book may also be beneficial for graduate students.

Vaccine Preventability of Meningococcal Clone, Greater Aachen Region, Germany

NARCIS (Netherlands)

Elias, Johannes; Schouls, Leo M.; van de Pol, Ingrid; Keijzers, Wendy C.; Martin, Diana R.; Glennie, Anne; Oster, Philipp; Frosch, Matthias; Vogel, Ulrich; van der Ende, Arie

2010-01-01

Emergence of serogroup B meningococci of clonal complex sequence type (ST) 41/44 can cause high levels of disease, as exemplified by a recent epidemic in New Zealand. Multiplication of annual incidence rates (3.1 cases/100,000 population) of meningococcal disease in a defined German region, the city

Direct Penguin Counting Using Unmanned Aerial Vehicle Image

Science.gov (United States)

Hyun, C. U.; Kim, H. C.; Kim, J. H.; Hong, S. G.

2015-12-01

This study presents an application of unmanned aerial vehicle (UAV) images to monitor penguin colony in Baton Peninsula, King George Island, Antarctica. The area around Narębski Point located on the southeast coast of Barton Peninsula was designated as Antarctic Specially Protected Area No. 171 (ASPA 171), and Chinstrap and Gentoo penguins inhabit in this area. The UAV images were acquired in a part of ASPA 171 from four flights in a single day, Jan 18, 2014. About 360 images were mosaicked as an image of about 3 cm spatial resolution and then a subset including representative penguin rookeries was selected. The subset image was segmented based on gradient map of pixel values, and spectral and spatial attributes were assigned to each segment. The object based image analysis (OBIA) was conducted with consideration of spectral attributes including mean and minimum values of each segment and various shape attributes such as area, length, compactness and roundness to detect individual penguin. The segments indicating individual penguin were effectively detected on rookeries with high contrasts in the spectral and shape attributes. The importance of periodic and precise monitoring of penguins has been recognized because variations of their populations reflect environmental changes and disturbance from human activities. Utilization of very high resolution imaging method shown in this study can be applied to other penguin habitats in Antarctica, and the results will be able to support establishing effective environmental management plans.

Filamentous fungal-specific septin AspE is phosphorylated in vivo and interacts with actin, tubulin and other septins in the human pathogen Aspergillus fumigatus

International Nuclear Information System (INIS)

Juvvadi, Praveen Rao; Belina, Detti; Soderblom, Erik J.; Moseley, M. Arthur; Steinbach, William J.

2013-01-01

Highlights: ► In vivo interactions of the novel septin AspE were identified by GFP-Trap® affinity purification. ► Septins AspA, AspB, AspC and AspD interacted with AspE in vivo. ► Actin and tubulin interacted with AspE in vivo. ► AspE is phosphorylated at six serine residues in vivo. -- Abstract: We previously analyzed the differential localization patterns of five septins (AspA–E), including a filamentous fungal-specific septin, AspE, in the human pathogen Aspergillus fumigatus. Here we utilized the A. fumigatus strain expressing an AspE–EGFP fusion protein and show that this novel septin with a tubular localization pattern in hyphae is phosphorylated in vivo and interacts with the other septins, AspA, AspB, AspC and AspD. The other major proteins interacting with AspE included the cytoskeletal proteins, actin and tubulin, which may be involved in the organization and transport of the septins. This is the first report analyzing the phosphorylation of AspE and localizing the sites of phosphorylation, and opens opportunities for further analysis on the role of post-translational modifications in the assembly and organization of A. fumigatus septins. This study also describes the previously unknown interaction of AspE with the actin-microtubule network. Furthermore, the novel GFP-Trap® affinity purification method used here complements widely-used GFP localization studies in fungal systems

Filamentous fungal-specific septin AspE is phosphorylated in vivo and interacts with actin, tubulin and other septins in the human pathogen Aspergillus fumigatus

Energy Technology Data Exchange (ETDEWEB)

Juvvadi, Praveen Rao; Belina, Detti [Division of Pediatric Infectious Diseases, Department of Pediatrics, Duke University Medical Center, Durham, NC (United States); Soderblom, Erik J.; Moseley, M. Arthur [Duke Proteomics Core Facility, Institute for Genome Sciences and Policy, Duke University, Durham, NC (United States); Steinbach, William J., E-mail: bill.steinbach@duke.edu [Division of Pediatric Infectious Diseases, Department of Pediatrics, Duke University Medical Center, Durham, NC (United States); Department of Molecular Genetics and Microbiology, Duke University Medical Center, Durham, NC (United States)

2013-02-15

Highlights: ► In vivo interactions of the novel septin AspE were identified by GFP-Trap® affinity purification. ► Septins AspA, AspB, AspC and AspD interacted with AspE in vivo. ► Actin and tubulin interacted with AspE in vivo. ► AspE is phosphorylated at six serine residues in vivo. -- Abstract: We previously analyzed the differential localization patterns of five septins (AspA–E), including a filamentous fungal-specific septin, AspE, in the human pathogen Aspergillus fumigatus. Here we utilized the A. fumigatus strain expressing an AspE–EGFP fusion protein and show that this novel septin with a tubular localization pattern in hyphae is phosphorylated in vivo and interacts with the other septins, AspA, AspB, AspC and AspD. The other major proteins interacting with AspE included the cytoskeletal proteins, actin and tubulin, which may be involved in the organization and transport of the septins. This is the first report analyzing the phosphorylation of AspE and localizing the sites of phosphorylation, and opens opportunities for further analysis on the role of post-translational modifications in the assembly and organization of A. fumigatus septins. This study also describes the previously unknown interaction of AspE with the actin-microtubule network. Furthermore, the novel GFP-Trap® affinity purification method used here complements widely-used GFP localization studies in fungal systems.

Blood interaction with a Bioline heparin coated HIA-VAD : A study on calves

NARCIS (Netherlands)

vanderKamp, KWHJ; Magielse, CPE; Elstrodt, JM; vanderMeer, J; vanOeveren, W; Rakhorst, G

The blood compatibility of ventricular assist devices developed by the Helmholtz institute Aachen (HA-VAD's) was tested on calves. Seven calves received a non-coated HIA-VAD (control) and three a Bioline heparin coated device. The circulatory support of these HIA-VAD's lasted one week. Mechanical

Diagnosis of aphasia using neural and fuzzy techniques

DEFF Research Database (Denmark)

Jantzen, Jan; Axer, H.; Keyserlingk, D. Graf von

2000-01-01

The language disability Aphasia has several sub-diagnoses such as Amnestic, Broca, Global, and Wernicke. Data concerning 265 patients is available in the form of test scores and diagnoses, made by physicians according to the Aachen Aphasia Test. A neural network model has been built, which...

Big meeting puts the case for LHC

International Nuclear Information System (INIS)

Anon.

1990-01-01

It was a workshop on a scale to match the ultimate goal. When some 500 physicists met in Aachen, Germany, in October to put the research case for the proposed Large Hadron Collider (LHC) at CERN, the turnout was among the biggest attendances of the year

Diagnosis Of Aphasia Using Neural And Fuzzy Techniques

DEFF Research Database (Denmark)

Jantzen, Jan; Axer, Hubertus; Keyserlingk, Diedrich Graf von

2002-01-01

The language disability aphasia has several sub-diagnoses such as Amnestic, Broca, Global, and Wernicke. Data concerning 265 patients is available in the form of test scores and diagnoses, made by physicians according to the Aachen Aphasia Test. A neural network model has been built, which...

Funding Initiatives | Women in Science | Initiatives | Indian Academy ...

Indian Academy of Sciences (India)

Home; Initiatives; Women in Science; Funding Initiatives ... The Fellowship Scheme for Women Scientists for societal programmes is initiative of the ... at a young age of 52, after a valiant battle with cancer, today on 29th March 2016 in Delhi.

Lateral side impact against kerbstones and its influence on side airbag sensing

Energy Technology Data Exchange (ETDEWEB)

Olders, S. [RWTH Aachen (Germany). Inst. fuer Kraftfahrwesen

2001-07-01

High level requirements are made to the control units and sensors of side airbag systems with regard to the reaction time until activation, because there is only a short deformation zone within the lateral zone of a vehicle. For further development of these systems and in order to minimise the possibility of erroneous activation, these airbag systems are tested in many impact configurations relevant to airbag activation and in so-called misuse tests. One of these non-deployment requirements is the kerbstone impact. Since the load on the occupants is only minimal in this impact configuration, activation of the side airbags is not necessary. Kerbstone impacts can be simulated realistically at the Institute for Automotive Engineering Aachen (Institut fuer Kraftfahrwesen Aachen (ika)) - by means of sled tests. By varying the boundary test conditions, additional information can be gathered regarding the positioning of sensors and the signal curves for adjustment of airbag electronics. (orig.)

Tandem for power generation. New sandwich concentrator cell with over 30% efficiency; Im Tandem Strom erzeugen. Neue Mehrschicht-Konzentratorzelle erzielt ueber 30% Wirkungsgrad

Energy Technology Data Exchange (ETDEWEB)

Anon.

2000-11-01

The Fraunhofer-Institut fuer Solare Energiesysteme at Freiburg, Germany, claims a 'best ever' efficiency of a monolithic tandem concentrator solar cell with a sandwich structure based on gallium-indium arsenide and gallium-indium phosphide. The new solar cell can be produced in a single process based on an Aixtron AG (Aachen, Germany) separator which is also used for industrial production of solar cells for aerospace applications. [German] Das Fraunhofer-Institut fuer Solare Energiesysteme in Freiburg hat einen neuen Wirkungsgradrekord fuer monolithische Tandem-Konzentratorsolarzellen gemeldet. Die Wissenschaftler am Fraunhofer-Institut fuer Solare Energiesysteme (Fraunhofer ISE) haben neue Schichtstrukturen auf der Basis von Gallium-Indium-Arsenid und Gallium-Inidum-Phosphid entwickelt. Die neue Solarzelle kann in einem einzigen Prozess hergestellt werden. Fuer diesen Prozess setzen die Freiburger Solarzellenforscher eine Abscheideanlage der Firma Aixtron AG aus Aachen ein, wie sie auch in der Industrie zur Herstellung von Solarzellen fuer Anwendungen im Weltraum genutzt wird. (orig.)

Experiment R606 installed in the specially constructed pit at intersection 6

CERN Multimedia

CERN PhotoLab

1976-01-01

It was set-up by the Aachen-CERN-Harvard-Munich-Riverside Collaboration to study new particles at the ISR by detecting muon-electron coincidences and hadronic states. One can see the giant wheel of the air-cored magnet and Cerenkov counters, the drift chambers and the thin-walled cylindrical vacuum chamber

Research contributions to the modelling and design of Intelligent Manufacturing Systems

DEFF Research Database (Denmark)

Langer, Gilad; Sørensen, Christian; Stylios, C.

1999-01-01

This joint paper is the result of the work of cluster 3-4 within the Esprit WG no. 21955 on Intelligent Manufacturing Systems (IMS) working group. The paper conveys the results of a co-operative research effort between LAR Patras (Greece), DTU (Denmark), CRAN/GSIP (France) and Aachen WZL (Germany...

Die „Neue Ökonomie“ des industriellen Kapitalismus

DEFF Research Database (Denmark)

Reckendrees, Alfred

2015-01-01

Als die Industrialisierung um 1840 in den meisten deutschen Regionen begann, arbeiteten in Aachen bereits mehr als die Hälfte aller Beschäftigten in großen Fabriken. Dampfmaschinen und rauchende Schornsteine prägten das Bild der Stadt. Wie kam es dazu? Welche Veränderungen brachte die Industriewi...

Ethanol and its potential for downsized engine concepts; Ethanol und sein Potenzial fuer Downsizing-Motorenkonzepte

Energy Technology Data Exchange (ETDEWEB)

Schwaderlapp, Markus; Adomeit, Philipp; Kolbeck, Andreas [FEV GmbH, Aachen (Germany); Thewes, Matthias [RWTH Aachen (Germany). Lehrstuhl fuer Verbrennungskraftmaschinen

2012-02-15

The intense discussion of e-mobility has withdrawn the public attention from alternative fuels - which appears inadequate when the properties and potentials of ethanol fuels for combustion engines are considered. FEV and RWTH Aachen University investigated to which extent this alternative fuel could be conducive to CO{sub 2} reduction. (orig.)

3. Aachen users' forum on bioenergy use in cities and rural environment. Lectures; 3. Aachener Anwenderforum: Bioenergie-Nutzung in Stadt und Region. Vortraege

Energy Technology Data Exchange (ETDEWEB)

NONE

2007-10-08

Main topics of the meetings' lectures were: biomass cultivation, agriculture and forestry, fermentation, biogas plants, financing, operation, licensing, cleanup of biogas, biogas cogeneration plants, district heating, feed-in of biogas into the natural gas distribution system. (uke)

Electric transport in composite Fe-Ta-O granular film prepared by plasma jet technique

Czech Academy of Sciences Publication Activity Database

Lobotka, P.; Vávra, O.; Fendrych, František; Kraus, Luděk

2002-01-01

Roč. 240, - (2002), s. 491-493 ISSN 0304-8853. [Metallic Multillayers 2001 (MML'01). Aachen, 25.06.2001-29.06.2001] Institutional research plan: CEZ:AV0Z1010914 Keywords : granular systems * magnetoresistance -thin films * tunneling * Coulomb blockade Subject RIV: BM - Solid Matter Physics ; Magnetism Impact factor: 1.046, year: 2002

Työpaikkavalmentaja osatyökykyisen henkilön työllistymisen tukena : työpaikkavalmentajien ja heidän esimiesten näkemyksiä työpaikkavalmentajuudesta

OpenAIRE

Leinonen, Kristiina

2014-01-01

Opinnäytetyössä tarkastelen työpaikkavalmentajuutta osatyökykyisen henkilön työllistymisen tukena työpaikkavalmentajina toimineiden henkilöiden ja heidän esimiestensä näkökulmasta. Aspa-säätiön kehittämisprojekteissa on kehitetty työpaikkavalmentajamallia osana osatyökykyisten tai muuten vaikeassa työmarkkina-asemassa olevien henkilöiden työllistymisen tukemista. Opinnäytetyön tutkimuskysymyksiä ovat: Millaisia kokemuksia työpaikkavalmentajilla ja heidän esimiehillään on työpaikkavalmentajuud...

Measured deposition velocities and rainout coefficients after the Chernobyl accident compared with theoretical models and experimental data

International Nuclear Information System (INIS)

Bonka, H.; Horn, H.G.; Maqua, M.

1988-01-01

The determination of different radioecological parameters for the calculation of the transport of radionuclides in the environment was, besides radiation protection measurements, an important aim of the post Chernobyl measurements in Aachen. As the growth had just begun, the only vegetations which allowed extensive deposition measurements during the first days were grass and stinging nettles

Developing a zero-CO{sub 2}-emission coal combustion process for power generation; Entwicklung eines CO{sub 2}-emissionsfreien Kohleverbrennungsprozesses zur Stromerzeugung

Energy Technology Data Exchange (ETDEWEB)

Kneer, R.; Abel, D.; Niehuis, R.; Meier, H.R.; Modigell, M.; Peters, N. [RWTH Aachen (Germany)

2005-07-01

Besides measures for efficiency improvements by means of increased steam parameters, research on oxyfuel cycles in the main strategy for reduction of CO{sub 2}-emissions from fossil coal-fired power plants. The largest publicity founded German oxyfuel project is the so-called OXYCOAL-AC project, where 6 institutes from RWTH Aachen University and 5 industrial partners collaborate in the development of a CO{sub 2}-free coal combustion power plant cycle. This will be achieved by sing pure oxygen and recirculated CO{sub 2} for the combustion process. The oxygen is provided by a high temperature ceramic membrane module, which separates oxygen from an air feed flow. The challenges of this project and the related research topics are presented by discussing the main components of the OXYCOAL-AC cycle. While this description of the cycle is based on a 400 MW reference power plant, its realisation at the existing test facility at RWTH Aachen University will also be explained. Finally, an outlook on future activities is presented. (orig.)

Operators of distribution networks in the competitive markets of electricity and gas; Aufgaben des Netzbetreibers im liberalisierten Energiemarkt. IT-System fuer die Umsetzung der Pflichten des Netzbetreibers

Energy Technology Data Exchange (ETDEWEB)

Ohmen, S. [Stadtwerke Aachen AG (Germany)

2001-02-26

Stawag (Stadtwerke Aachen AG) is the operator of distribution networks for electricity, gas, water and district heating. In charge of this function Stawag is responsible for the complete handling of the third party access in the competitive markets of electricity and gas. In Germany the development of the background conditions for the third party access have been uncertain. In consequence the IT-market offers up to now no software solution comprehensing all the required functions. Stawag therefore decided to realize and work with an interim solution: Individual IT-systems interconnected by a modern Data-Warehouse platform for data exchange. (orig.) [German] Die Stadtwerke Aachen AG (Stawag) ist ein staedtisches Querverbundunternehmen und hat in der Funktion des Netzbetreibers im liberalisierten Energiemarkt die Aufgabe, die Vereilungsnetze fuer Strom und Gas diskriminierungsfrei allen Marktpartnern zur Verfuegung zu stellen. Bei der Einfuehrung der fuer die Abwicklung dieser Aufgabe erforderlichen IT-Systeme ging die Stawag einen Mittelweg zwischen Kauf und Implementierung einer Komplettloesung und weitgehend manueller Abwicklung mit MS-Office-Produkten. Mit Erfolg - wie die Erfahrungen der letzten Monate zeigen - vorerst auf der Stromseite. (orig.)

First cosmic rays seen in the CMS Tracker Endcap

CERN Multimedia

Lutz Feld, RWTH Aachen

2006-01-01

On March 14, 2006, first cosmic muon tracks have been measured in the Tracker EndCap TEC+ of the CMS silicon strip tracker. The end caps have silicon strip modules mounted onto wedge-shaped carbon fiber support plates called petals. Up to 28 modules are arranged in radial rings on both sides of these plates. One eighth of an end cap (called sector) is populated with 18 petals. The TEC+ endcap is currently being integrated at RWTH Aachen. 400 silicon modules with a total of 241664 channels, corresponding to one eighth of the endcap, are read-out simultaneously by final power supply and DAQ components. On the left is the TEC+ in Aachen, whilst on the right is a computer image of a cosmic ray traversing the many layers of silicon sensors. To understand the response to real particles, basic functionality testing was followed by a cosmic muon run. A total of 400 silicon strip modules are read out with a channel inefficiency of below 1% and a common mode noise of only 25% of the intrinsic noise.

Initialized Fractional Calculus

Science.gov (United States)

Lorenzo, Carl F.; Hartley, Tom T.

2000-01-01

This paper demonstrates the need for a nonconstant initialization for the fractional calculus and establishes a basic definition set for the initialized fractional differintegral. This definition set allows the formalization of an initialized fractional calculus. Two basis calculi are considered; the Riemann-Liouville and the Grunwald fractional calculi. Two forms of initialization, terminal and side are developed.

Prevalence of Obesity, Binge Eating, and Night Eating in a Cross-Sectional Field Survey of 6-Year-Old Children and Their Parents in a German Urban Population

Science.gov (United States)

Lamerz, Andreas; Kuepper-Nybelen, Jutta; Bruning, Nicole; Wehle, Christine; Trost-Brinkhues, Gabriele; Brenner, Hermann; Hebebrand, Johannes; Herpertz-Dahlmann, Beate

2005-01-01

Background: To assess the prevalence of obesity, obesity-related binge eating, non-obesity-related binge eating, and night eating in five- to six-year-old children and to examine the impact of parental eating disturbances. Methods: When 2020 children attended their obligatory health exam prior to school entry in the city of Aachen, Germany, 1979…

CONFERENCE: Photon-photon collisions

International Nuclear Information System (INIS)

Anon.

1983-01-01

Despite being difficult to observe, photon-photon collisions have opened up a range of physics difficult, or even impossible, to access by other methods. The progress which has been made in this field was evident at the fifth international workshop on photon-photon collisions, held in Aachen from 13-16 April and attended by some 120 physicists

Optimum layout of engine thermal management; Optimale Auslegung des Motor-Thermomanagements

Energy Technology Data Exchange (ETDEWEB)

Beykirch, Ruediger; Knauf, Juergen; Lehmann, Joerg [FEV GmbH, Aachen (Germany). Simulation Ottomotoren; Beulshausen, Johannes [RWTH Aachen Univ. (Germany). Lehrstuhl fuer Verbrennungskraftmaschinen

2013-05-01

Optimising an engine's thermal management on the basis of different driving cycles and vehicle and engine tests is both time-consuming and costly. FEV GmbH, in cooperation with the Institute for Combustion Engines at RWTH Aachen University, has developed a holistic simulation model that enables the thermal management of an individual engine to be optimised.

Lesion correlates of patholinguistic profiles in chronic aphasia: comparisons of syndrome-, modality- and symptom-level assessment.

Science.gov (United States)

Henseler, Ilona; Regenbrecht, Frank; Obrig, Hellmuth

2014-03-01

One way to investigate the neuronal underpinnings of language competence is to correlate patholinguistic profiles of aphasic patients to corresponding lesion sites. Constituting the beginnings of aphasiology and neurolinguistics over a century ago, this approach has been revived and refined in the past decade by statistical approaches mapping continuous variables (providing metrics that are not simply categorical) on voxel-wise lesion information (voxel-based lesion-symptom mapping). Here we investigate whether and how voxel-based lesion-symptom mapping allows us to delineate specific lesion patterns for differentially fine-grained clinical classifications. The latter encompass 'classical' syndrome-based approaches (e.g. Broca's aphasia), more symptom-oriented descriptions (e.g. agrammatism) and further refinement to linguistic sub-functions (e.g. lexico-semantic deficits for inanimate versus animate items). From a large database of patients treated for aphasia of different aetiologies (n = 1167) a carefully selected group of 102 first ever ischaemic stroke patients with chronic aphasia (∅ 12 months) were included in a VLSM analysis. Specifically, we investigated how performance in the Aachen Aphasia Test-the standard clinical test battery for chronic aphasia in German-relates to distinct brain lesions. The Aachen Aphasia Test evaluates aphasia on different levels: a non-parametric discriminant procedure yields probabilities for the allocation to one of the four 'standard' syndromes (Broca, Wernicke, global and amnestic aphasia), whereas standardized subtests target linguistic modalities (e.g. repetition), or even more specific symptoms (e.g. phoneme repetition). Because some subtests of the Aachen Aphasia Test (e.g. for the linguistic level of lexico-semantics) rely on rather coarse and heterogeneous test items we complemented the analysis with a number of more detailed clinically used tests in selected mostly mildly affected subgroups of patients. Our results

Medizinbibliotheken 20XX. Zuverlässig, Zukunftsweisend, Unverzichtbar [Medical Libraries 20XX. Reliable, forward-looking, indispensible

Directory of Open Access Journals (Sweden)

Bauer, Bruno

2012-12-01

Full Text Available [english] The focus of the current issue 3/2012 of GMS Medizin – Bibliothek – Information is the annual conference 2012 of the German Medical Libraries Association in Aachen. The motto of the conference was “Medical Libraries 20XX. Reliable, forward-looking, indispensible”. Focal points of the meeting were innovation management, marketing and new applications and services in medical libraries.The authors in this issue are Bruno Bauer (Open Access Publishing in Austria 2012, Thomas M. Deserno (Literature for interdisciplinary scientists – a requirement engineering approach, Annette Kustos (The new Academic Health Sciences, Nursing and Therapeutics Library of the University of Applied Health Sciences, Bochum, Christoph Poley (On the way to semantic web – with MEDPILOT, Henriette Senst & Jens Erling (New areas of work in the library of the Robert Koch-Institute: Open Access and institutional repository, Matti Stöhr (“I was interested in competitive alternatives to Citavi”: About the workshop “Reference Management at the focal point”, held at the AGMB-Conference 2012, Martin Zangl (Quality management in art libraries – a starting point for patient libraries?! and Ulf Paepcke & Gabriele Menzel (Medical Libraries 20XX. – Reliable, forward-looking, indispensible. Annual Meeting 2012 of the German MLA (AGMB September 24th to 26th in Aachen.[german] Schwerpunktthema der aktuellen Ausgabe 3/2012 von GMS Medizin – Bibliothek – Information ist die Jahrestagung 2012 der Arbeitsgemeinschaft für Medizinisches Bibliothekswesen (AGMB in Aachen; das Motto lautete „Medizinbibliotheken 20XX. Zuverlässig, Zukunftsweisend, Unverzichtbar“. Zentrales Thema der diesjährigen Tagung waren Open Access Publishing, Innovationsmanagement und neue Arbeitsfelder für Medizinbibliotheken.Die Beiträge der Schwerpunktausgabe wurden verfasst von Bruno Bauer (Open Access Publishing in Österreich 2012, Thomas M. Deserno (Literatur f

[RehaFuturReal®: Evaluation of Implementation in Organizational Structure and in Counseling Process - An Overview of Results].

Science.gov (United States)

Arling, V; Knispel, J; Spijkers, W

2016-08-01

Due to prevailing future challenges in vocational rehabilitation, development process RehaFutur (BMAS) was initiated. In this context, recommendations were made to secure a future-oriented, innovative vocational rehabilitation in Germany. Deutsche Rentenversicherung (DRV) Westfalen transferred these recommendations into a new and applicable counseling concept RehaFutuReal(®). Rehabilitation managers (RM) are central protagonists in counseling process. Therefore, RehaFuturReal(®) focused on optimization of counseling performance. To achieve this aim, rehabilitation managers were taught to work with a case management (CM) based approach. RWTH Aachen supported RehaFuturReal(®) from an academic point of view and conducted a formative and summative evaluation. Primary aim of RWTH Aachen was to support DRV Westfalen during implementation of RehaFuturReal(®) into their organizational structure. Additionally, RWTH Aachen controlled whether transfer of RehaFutuReal(®) in counseling process was successful. From 04-01-13 until 12-31-14, RehaFuturReal(®) was tested by DRV Westfalen in the intervention district Dortmund with 10 RM. There were 3 selection criteria for the overall sample of N=320 insurants: participants were required to have an active employment status, suffered from integration issues and were in need of support to achieve vocational integration. Evaluation of RehaFuturReal(®) was realized summative (pre-post-comparison) and formative (process-orientated). Evaluative judgment regarding implementation in organizational structure and counseling process was performed by using three-stage-concept of Donabedian (quality of structure, process and results). Thereby, feedback of RM, insurants and employers was taken into account. Analysis of evaluation results revealed a positive overall impression. Implementation into organizational structure was successful on all 3 quality stages: concept of project and CM-training were an adequate basis and appropriately put

Unilateral initiatives

International Nuclear Information System (INIS)

Anon.

1988-01-01

This paper reports on arms control which is generally thought of in terms of formal negotiations with an opponent, with the resulting agreements embodied in a treaty. This is not surprising, since arms control discussions between opponents are both important and politically visible. There are, however, strong reasons for countries to consider and frequently take unilateral initiatives. To do so is entirely consistent with the established major precepts of arms control which state that arms control is designed to reduce the risk of war, the costs of preparing for war, and the death and destruction if war should come. Unilateral initiatives on what weapons are purchased, which ones are eliminated and how forces are deployed can all relate to these objectives. There are two main categories of motives for unilateral initiatives in arms control. In one category, internal national objectives are the dominant, often sole, driving force; the initiative is undertaken for our own good

Tall Buildings Initiative

Science.gov (United States)

Initiative 2017 TBI Guidelines Version 2.03 Now Available Screen Shot 2017-10-10 at 3.05.10 PM PEER has just initiative to develop design criteria that will ensure safe and usable tall buildings following future earthquakes. Download the primary product of this initiative: Guidelines for Performance-Based Seismic Design

Impact of gene patents and licensing practices on access to genetic testing and carrier screening for Tay-Sachs and Canavan disease.

Science.gov (United States)

Colaianni, Alessandra; Chandrasekharan, Subhashini; Cook-Deegan, Robert

2010-04-01

Genetic testing for Tay-Sachs and Canavan disease is particularly important for Ashkenazi Jews, because both conditions are more frequent in that population. This comparative case study was possible because of different patenting and licensing practices. The role of DNA testing differs between Tay-Sachs and Canavan diseases. The first-line screening test for Tay-Sachs remains an enzyme activity test rather than genotyping. Genotyping is used for preimplantation diagnosis and confirmatory testing. In contrast, DNA-based testing is the basis for Canavan screening and diagnosis. The HEXA gene for Tay-Sachs was cloned at the National Institutes of Health, and the gene was patented but has not been licensed. The ASPA gene for Canavan disease was cloned and patented by Miami Children's Hospital. Miami Children's Hospital did not inform family members and patient groups that had contributed to the gene discovery that it was applying for a patent, and pursued restrictive licensing practices when a patent issued in 1997. This led to intense controversy, litigation, and a sealed, nonpublic 2003 settlement that apparently allowed for nonexclusive licensing. A survey of laboratories revealed a possible price premium for ASPA testing, with per-unit costs higher than for other genetic tests in the Secretary's Advisory Committee on Genetics, Health, and Society case studies. The main conclusion from comparing genetic testing for Tay-Sachs and Canavan diseases, however, is that patenting and licensing conducted without communication with patients and advocates cause mistrust and can lead to controversy and litigation, a negative model to contrast with the positive model of patenting and licensing for genetic testing of cystic fibrosis.

Triacetin-based acetate supplementation as a chemotherapeutic adjuvant therapy in glioma.

Science.gov (United States)

Tsen, Andrew R; Long, Patrick M; Driscoll, Heather E; Davies, Matthew T; Teasdale, Benjamin A; Penar, Paul L; Pendlebury, William W; Spees, Jeffrey L; Lawler, Sean E; Viapiano, Mariano S; Jaworski, Diane M

2014-03-15

Cancer is associated with epigenetic (i.e., histone hypoacetylation) and metabolic (i.e., aerobic glycolysis) alterations. Levels of N-acetyl-L-aspartate (NAA), the primary storage form of acetate in the brain, and aspartoacylase (ASPA), the enzyme responsible for NAA catalysis to generate acetate, are reduced in glioma; yet, few studies have investigated acetate as a potential therapeutic agent. This preclinical study sought to test the efficacy of the food additive Triacetin (glyceryl triacetate, GTA) as a novel therapy to increase acetate bioavailability in glioma cells. The growth-inhibitory effects of GTA, compared to the histone deacetylase inhibitor Vorinostat (SAHA), were assessed in established human glioma cell lines (HOG and Hs683 oligodendroglioma, U87 and U251 glioblastoma) and primary tumor-derived glioma stem-like cells (GSCs), relative to an oligodendrocyte progenitor line (Oli-Neu), normal astrocytes, and neural stem cells (NSCs) in vitro. GTA was also tested as a chemotherapeutic adjuvant with temozolomide (TMZ) in orthotopically grafted GSCs. GTA-induced cytostatic growth arrest in vitro comparable to Vorinostat, but, unlike Vorinostat, GTA did not alter astrocyte growth and promoted NSC expansion. GTA alone increased survival of mice engrafted with glioblastoma GSCs and potentiated TMZ to extend survival longer than TMZ alone. GTA was most effective on GSCs with a mesenchymal cell phenotype. Given that GTA has been chronically administered safely to infants with Canavan disease, a leukodystrophy due to ASPA mutation, GTA-mediated acetate supplementation may provide a novel, safe chemotherapeutic adjuvant to reduce the growth of glioma tumors, most notably the more rapidly proliferating, glycolytic and hypoacetylated mesenchymal glioma tumors. © 2013 UICC.

Increasing N-acetylaspartate in the Brain during Postnatal Myelination Does Not Cause the CNS Pathologies of Canavan Disease

Directory of Open Access Journals (Sweden)

Abhilash P. Appu

2017-06-01

Full Text Available Canavan disease is caused by mutations in the gene encoding aspartoacylase (ASPA, a deacetylase that catabolizes N-acetylaspartate (NAA. The precise involvement of elevated NAA in the pathogenesis of Canavan disease is an ongoing debate. In the present study, we tested the effects of elevated NAA in the brain during postnatal development. Mice were administered high doses of the hydrophobic methyl ester of NAA (M-NAA twice daily starting on day 7 after birth. This treatment increased NAA levels in the brain to those observed in the brains of Nur7 mice, an established model of Canavan disease. We evaluated various serological parameters, oxidative stress, inflammatory and neurodegeneration markers and the results showed that there were no pathological alterations in any measure with increased brain NAA levels. We examined oxidative stress markers, malondialdehyde content (indicator of lipid peroxidation, expression of NADPH oxidase and nuclear translocation of the stress-responsive transcription factor nuclear factor (erythroid-derived 2-like 2 (NRF-2 in brain. We also examined additional pathological markers by immunohistochemistry and the expression of activated caspase-3 and interleukin-6 by Western blot. None of the markers were increased in the brains of M-NAA treated mice, and no vacuoles were observed in any brain region. These results show that ASPA expression prevents the pathologies associated with excessive NAA concentrations in the brain during postnatal myelination. We hypothesize that the pathogenesis of Canavan disease involves not only disrupted NAA metabolism, but also excessive NAA related signaling processes in oligodendrocytes that have not been fully determined and we discuss some of the potential mechanisms.

R607 drift chamber

CERN Multimedia

1977-01-01

The experiment R607 was set-up by the Aachen-Amsterdam (NIKHEF)-CERN-Munich- Northwestern-Riverside Collaborartion to search for diffraction production of charmed particles and correlations at high longitudinal momentum. It consisted of identical septum magnet spectrometers on both downstream arms of intersection 6, each having a series of three gas Cerenkov counters for particle identification. (see also photo 7702599X)

A Martingale Characterization of Mixed Poisson Processes.

Science.gov (United States)

1985-10-01

03LA A 11. TITLE (Inciuae Security Clanafication, ",A martingale characterization of mixed Poisson processes " ________________ 12. PERSONAL AUTHOR... POISSON PROCESSES Jostification .......... . ... . . Di.;t ib,,jtion by Availability Codes Dietmar Pfeifer* Technical University Aachen Dist Special and...Mixed Poisson processes play an important role in many branches of applied probability, for instance in insurance mathematics and physics (see Albrecht

Measured transfer factors in milk and meat after the Chernobyl reactor accident

International Nuclear Information System (INIS)

Bonka, H.; Kueppers, J.; Maqua, M.

1988-01-01

After the nuclear reactor accident at Chernobyl the radioactivity in the environment in Aachen was measured in detail at the Lehrgebiet Strahlenschutz in der Kerntechnik. The change of the different radionuclides in the eco-system made it possible to obtain radioecological parameters especially for iodine and caesium. The knowledge about the transport of iodine into cow's milk could be very much improved

Pump systems for the new Tivoli construction. Football mythos with energy efficient technology; Pumpensysteme fuer den Tivoli-Neubau. Fussball-Mythos mit energieeffizienter Technik

Energy Technology Data Exchange (ETDEWEB)

Krings, Jochen [Jochen Krings Professional Relations, PR-Agentur, Moenchengladbach (Germany)

2011-07-01

Professional football on a solid economic base barely is conceivable without the possibility of modern stadiums. An emotional live-atmosphere, modern comfort as well as a diverse business offer are in demand. Particularly successful is this compound in the new construction of the Tivoli at the Aachen Soers. A modern building technology with efficient pumping systems belong to the facilities of the stadium.

Scrape-off layer power flux measurements in the Tore Supra tokamak

Czech Academy of Sciences Publication Activity Database

Gunn, J. P.; Dejarnac, Renaud; Devynck, P.; Fedorczak, N.; Fuchs, Vladimír; Gil, C.; Kočan, M.; Komm, Michael; Kubič, M.; Lunt, T.; Monier-Garbet, P.; Pascal, J.-Y.; Saint-Laurent, F.

2013-01-01

Roč. 438, suppl (2013), S184-S188 ISSN 0022-3115. [International Conference on Plasma-Surface Interactions in Controlled Fusion Devices/20./. Aachen, 21.05.2012-25.05.2012] Institutional support: RVO:61389021 Keywords : plasma * tokamak Subject RIV: BL - Plasma and Gas Discharge Physics Impact factor: 2.016, year: 2013 http://www.sciencedirect.com/science/article/pii/S0022311513000639#

Reduction of initial shock in decadal predictions using a new initialization strategy

Science.gov (United States)

He, Yujun; Wang, Bin; Liu, Mimi; Liu, Li; Yu, Yongqiang; Liu, Juanjuan; Li, Ruizhe; Zhang, Cheng; Xu, Shiming; Huang, Wenyu; Liu, Qun; Wang, Yong; Li, Feifei

2017-08-01

A novel full-field initialization strategy based on the dimension-reduced projection four-dimensional variational data assimilation (DRP-4DVar) is proposed to alleviate the well-known initial shock occurring in the early years of decadal predictions. It generates consistent initial conditions, which best fit the monthly mean oceanic analysis data along the coupled model trajectory in 1 month windows. Three indices to measure the initial shock intensity are also proposed. Results indicate that this method does reduce the initial shock in decadal predictions by Flexible Global Ocean-Atmosphere-Land System model, Grid-point version 2 (FGOALS-g2) compared with the three-dimensional variational data assimilation-based nudging full-field initialization for the same model and is comparable to or even better than the different initialization strategies for other fifth phase of the Coupled Model Intercomparison Project (CMIP5) models. Better hindcasts of global mean surface air temperature anomalies can be obtained than in other FGOALS-g2 experiments. Due to the good model response to external forcing and the reduction of initial shock, higher decadal prediction skill is achieved than in other CMIP5 models.

Diseño y prototipaje del álabe para un miniaerogenerador mediante impresión 3D

OpenAIRE

Roy Mota, Andrea

2017-01-01

El objetivo de este proyecto consiste en el diseño de una maqueta de álabe para un mini aerogenerador y su posterior fabricación con PLA mediante la tecnología de impresión 3D no industrial. Para conseguirlo se creó una hoja de cálculo que torna la superficie del ala; se analizó la impresora 3D y se diseñó la estructura interna del aspa para dotarlo de resistencia según sus límites de impresión de la impresora mediante el programa Siemens Unigraphics NX10; se simularon los esfuerzos y a parti...

Exposure of healthy subjects with emissions from a gas metal arc welding process: part 1--exposure technique and external exposure.

Science.gov (United States)

Brand, P; Havlicek, P; Steiners, M; Holzinger, K; Reisgen, U; Kraus, T; Gube, M

2013-01-01

Studies concerning welding fume-related adverse health effects in welders are hampered by the heterogeneity of workplace situations, resulting in complex and non-standardized exposure conditions. In order to carry out welding fume exposure studies under controlled and standardized conditions, the Aachen Workplace Simulation Laboratory was developed. This laboratory consists of an emission room, in which welding fume is produced, and an exposure room in which human subjects are exposed to these fumes. Both rooms are connected by a ventilation system which allows the welding fume concentration to be regulated. Particle mass concentration was measured with a TEOM microbalance and the particle number-size distribution using a Grimm SMPS device. In a study, which is the subject of this paper, it has been shown that welding fume concentration can easily be regulated between 1 and about 3 mg m(-3). The chosen concentration can be kept constant for more than 8 h. However, transport of the particles from the emission room into the exposure room leads to a change in particle size distribution, which is probably due to coagulation of the fraction of smallest particles. The Aachen Workplace Simulation Laboratory is suitable for controlled exposure studies with human subjects.

CMS (Compact Muon Solenoid)

International Nuclear Information System (INIS)

Anon.

1995-01-01

The milestone workshops on LHC experiments in Aachen in 1990 and at Evian in 1992 provided the first sketches of how LHC detectors might look. The concept of a compact general-purpose LHC experiment based on a solenoid to provide the magnetic field was first discussed at Aachen, and the formal Expression of Interest was aired at Evian. It was here that the Compact Muon Solenoid (CMS) name first became public. Optimizing first the muon detection system is a natural starting point for a high luminosity (interaction rate) proton-proton collider experiment. The compact CMS design called for a strong magnetic field, of some 4 Tesla, using a superconducting solenoid, originally about 14 metres long and 6 metres bore. (By LHC standards, this warrants the adjective 'compact'.) The main design goals of CMS are: 1 - a very good muon system providing many possibilities for momentum measurement (physicists call this a 'highly redundant' system); 2 - the best possible electromagnetic calorimeter consistent with the above; 3 - high quality central tracking to achieve both the above; and 4 - an affordable detector. Overall, CMS aims to detect cleanly the diverse signatures of new physics by identifying and precisely measuring muons, electrons and photons over a large energy range at very high collision rates, while also exploiting the lower luminosity initial running. As well as proton-proton collisions, CMS will also be able to look at the muons emerging from LHC heavy ion beam collisions. The Evian CMS conceptual design foresaw the full calorimetry inside the solenoid, with emphasis on precision electromagnetic calorimetry for picking up photons. (A light Higgs particle will probably be seen via its decay into photon pairs.) The muon system now foresaw four stations. Inner tracking would use silicon microstrips and microstrip gas chambers, with over 10 7 channels offering high track finding efficiency. In the central CMS barrel, the tracking elements are

JPRS Report, Science & Technology Europe

Science.gov (United States)

1988-07-27

commercialisation . Japan and the United States have become the undisputed world cham- pions in computer-generated images and image synthe- sis. Yet this...Aachen (FRG), and is benefiting from support under the EEC-COMETT [Community Program for Education and Teaching in the Field of Technology] programme...nications], DGA [General Delegation to Armament], Ministry of Industry, Ministry of Research and Higher Education ) and 15 percent by industrial

VACOSS 3, a versatile and tamper-resistant electronic sealing system

International Nuclear Information System (INIS)

Arning, F.; Reuters, H.; Bueker, H.

1981-01-01

Seal systems for c/s instrumentation used at present need considerable technical and personal expenditure for installation and verification. This paper describes new electronic seal system VACOSS 3, developed by ProCom GmbH, Aachen, and the Nuclear Research Center Juelich within the frame work of an IAEA research contract. This system allows simple installation, verification, the possibility of remote verification and has high tamper resistance

Measured radioecological parameters after the Chernobyl accident

International Nuclear Information System (INIS)

Bonka, H.

1989-01-01

After the Chernobyl accident the radioactivity in the environment in Aachen was measured in detail. The change of the different radionuclies in the eco-system made it possible to obtain radioecological parameters especially for iodine and caesium. The most important data obtained like deposition velocity, washout coefficient, retention factor, removal rate constant, and transfer factor food-milk, food-beef, and soil-grass are reported. (orig.)

WORKSHOP QCD at 20

International Nuclear Information System (INIS)

Nachtmann, O.

1992-01-01

The modern theory of strong interactions - Quantum Chromodynamics (QCD), where quarks and gluons carrying the 'colour' quantum number play the essential role, is twenty years old. This birthday was duly celebrated at RWTH Aachen from 9-13 June, where recurring themes were - what has been achieved in the past twenty years?, where do we stand?, and what are the perspectives for the future?

Selections From Kung-Jen JIH-PAO (Source Span: 9 May-30 June 1961) Number 7 -Communist China.

Science.gov (United States)

1961-08-17

sulphate Ammonium hydrogen carbonate Sodium borate Titaniüm-iron powder Sodium fluoride Silicon dioxide Barium chloride beryllium carbonate ...Vinzenstrasse, 22a :■ P. 0. Box 3521 Aachen, Germany Washington 7> B.C. , Institute de Sociologie Solvay Rue du Chatelain, k9 Brussels, Belgium State... Sodium nitrite Specifications Pure n industrial Boric Acid " A^ua ammonia " Magnesium sulphate Industrial Manganese tedroxide Pure

Research on Initiation Sensitivity of Solid Explosive and Planer Initiation System

OpenAIRE

N Matsuo; M Otuka; H Hamasima; K Hokamoto; S Itoh

2016-01-01

Firstly, recently, there are a lot of techniques being demanded for complex process, various explosive initiation method and highly accurate control of detonation are needed. In this research, the metal foil explosion using high current is focused attention on the method to obtain linear or planate initiation easily, and the main evaluation of metal foil explosion to initiate explosive was conducted. The explosion power was evaluated by observing optically the underwater shock wave generated ...

Comparison of a mouse and a novel human scFv-SNAP-auristatin F drug conjugate with potent activity against EGFR-overexpressing human solid tumor cells

Directory of Open Access Journals (Sweden)

Woitok M

2017-07-01

Full Text Available Mira Woitok,1,2 Diana Klose,1 Stefano Di Fiore,1 Wolfgang Richter,3 Christoph Stein,1 Gerrit Gresch,1 Elena Grieger,1 Stefan Barth,1 Rainer Fischer,1,2 Katharina Kolberg,1,* Judith Niesen1,* 1Fraunhofer Institute for Molecular Biology and Applied Ecology (IME, Aachen, Germany; 2Institute of Molecular Biotechnology (Biology VII, RWTH Aachen University, Aachen, Germany; 3Tube Pharmaceuticals GmbH, Vienna, Austria *These authors contributed equally to this work Abstract: Antibody–drug conjugates (ADCs can deliver toxins to specific targets such as tumor cells. They have shown promise in preclinical/clinical development but feature stoichiometrically undefined chemical linkages, and those based on full-size antibodies achieve only limited tumor penetration. SNAP-tag technology can overcome these challenges by conjugating benzylguanine-modified toxins to single-chain fragment variables (scFvs with 1:1 stoichio­metry while preserving antigen binding. Two (human and mouse scFv-SNAP fusion proteins recognizing the epidermal growth factor receptor (EGFR were expressed in HEK 293T cells. The purified fusion proteins were conjugated to auristatin F (AURIF. Binding activity was confirmed by flow cytometry/immunohistochemistry, and cytotoxic activity was confirmed by cell viability/apoptosis and cell cycle arrest assays, and a novel microtubule dynamics disassembly assay was performed. Both ADCs bound specifically to their target cells in vitro and ex vivo, indicating that the binding activity of the scFv-SNAP fusions was unaffected by conjugation to AURIF. Cytotoxic assays confirmed that the ADCs induced apoptosis and cell cycle arrest at nanomolar concentrations and microtubule disassembly. The SNAP-tag technology provides a platform for the development of novel ADCs with defined conjugation sites and stoichiometry. We achieved the stable and efficient linkage of AURIF to human or murine scFvs using the SNAP-tag technology, offering a strategy to

Dioxin Exposure Initiative

Science.gov (United States)

The Dioxin Exposure Initiative (DEI) is no longer active. This page contains a summary of the dioxin exposure initiative with illustrations, contact and background information.Originally supported by scientist Matthew Lorber, who retired in Mar 2017.

Quality of analgesia in physician-operated telemedical prehospital emergency care is comparable to physician-based prehospital care - a retrospective longitudinal study.

Science.gov (United States)

Lenssen, Niklas; Krockauer, Andreas; Beckers, Stefan K; Rossaint, Rolf; Hirsch, Frederik; Brokmann, Jörg C; Bergrath, Sebastian

2017-05-08

Acute pain is a common reason for summoning emergency medical services (EMS). Yet in several countries the law restricts opioid-based analgesia administration to physicians. Telemedical support of paramedics is a novel approach to enable timely treatment under the guidance of a physician. In this retrospective observational study, conducted in the EMS of Aachen, Germany, the analgesic quality and occurrence of adverse events were compared between telemedically-supported paramedics (July-December, 2014) and a historical control group (conventional on-scene EMS physicians; January-March, 2014). pain (initial numerical rating scale (NRS) ≥5) and/or performed analgesia. Telemedically-assisted analgesia was performed in 149 patients; conventional analgesia in 199 control cases. Teleconsultation vs. Initial NRS scores were 8.0 ± 1.5 and 8.1 ± 1.7. Complete NRS documentation was carried out in 140/149 vs. 130/199 cases, p room arrival of 3.1 ± 1.7 vs. 3.3 ± 1.9 (p = 0.5229). No severe adverse events occurred in either group. Clinically relevant pain reduction was achieved in both groups. Thus, the concept of remote physician-based telemedically-delegated analgesia by paramedics is effective compared to analgesia by on-scene EMS physicians and safe.

Research on Initiation Sensitivity of Solid Explosive and Planer Initiation System

Directory of Open Access Journals (Sweden)

N Matsuo

2016-09-01

Full Text Available Firstly, recently, there are a lot of techniques being demanded for complex process, various explosive initiation method and highly accurate control of detonation are needed. In this research, the metal foil explosion using high current is focused attention on the method to obtain linear or planate initiation easily, and the main evaluation of metal foil explosion to initiate explosive was conducted. The explosion power was evaluated by observing optically the underwater shock wave generated from the metal foil explosion. Secondly, in high energy explosive processing, there are several applications, such as shock compaction, explosive welding, food processing and explosive forming. In these explosive applications, a high sensitive explosive has been mainly used. The high sensitive explosive is so dangerous, since it can lead to explosion suddenly. So, for developing explosives, the safety is the most important thing as well as low manufacturing cost and explosive characteristics. In this work, we have focused on the initiation sensitivity of a solid explosive and performed numerical analysis of sympathetic detonation. The numerical analysis is calculated by LS-DYNA 3D (commercial code. To understand the initiation reaction of an explosive, Lee-Tarver equation was used and impact detonation process was analyzed by ALE code. Configuration of simulation model is a quarter of circular cylinder. The donor type of explosive (SEP was used as initiation explosive. When the donor explosive is exploded, a shock wave is generated and it propagates into PMMA, air and metallic layers in order. During passing through the layers, the shock wave is attenuated and finally, it has influence on the acceptor explosive, Comp. B. Here, we evaluate the initiation of acceptor explosive and discuss about detonation pressure, reactive rate of acceptor explosive and attenuation of impact pressure.

Multilocus sequence typing (MLST methods for the emerging Campylobacter species C. hyointestinalis, C. lanienae, C. sputorum, C. concisus and C. curvus

Directory of Open Access Journals (Sweden)

William G Miller

2012-04-01

Full Text Available Multilocus sequence typing (MLST systems have been reported previously for multiple food- and food animal-associated Campylobacter species (e.g. C. jejuni, C. coli, C. lari and C. fetus to both differentiate strains and identify clonal lineages. These MLST methods focused primarily on campylobacters of human clinical (e.g. C. jejuni or veterinary (e.g. C. fetus relevance. However, other, emerging, Campylobacter species have been isolated increasingly from environmental, food animal or human clinical samples. We describe herein MLST methods for five emerging Campylobacter species: C. hyointestinalis, C. lanienae, C. sputorum, C. concisus and C. curvus. The concisus/curvus method uses the loci aspA, atpA, glnA, gltA, glyA, ilvD and pgm, whereas the other methods use the seven loci defined for C. jejuni (i.e., aspA, atpA, glnA, gltA, glyA, pgm, and tkt. Multiple food animal and human clinical C. hyointestinalis (n=48, C. lanienae (n=34 and C. sputorum (n=24 isolates were typed, along with 86 human clinical C. concisus and C. curvus isolates. A large number of sequence types (STs were identified using all four MLST methods. Similar to Campylobacter MLST methods described previously, these novel MLST methods identified mixed isolates containing two or more strains of the same species. Additionally, these methods speciated unequivocally isolates that had been typed ambiguously using other molecular-based speciation methods, such as 16S rDNA sequencing. Finally, the design of degenerate primer pairs for some methods permitted the typing of related species; for example, the C. hyointestinalis primer pairs could be used to type C. fetus strains. Therefore, these novel Campylobacter MLST methods will prove useful in speciating and differentiating strains of multiple, emerging Campylobacter species.

Characteristics of patients initiating raloxifene compared to those initiating bisphosphonates

Directory of Open Access Journals (Sweden)

Wang Sara

2008-12-01

Full Text Available Abstract Background Both raloxifene and bisphosphonates are indicated for the prevention and treatment of postmenopausal osteoporosis, however these medications have different efficacy and safety profiles. It is plausible that physicians would prescribe these agents to optimize the benefit/risk profile for individual patients. The objective of this study was to compare demographic and clinical characteristics of patients initiating raloxifene with those of patients initiating bisphosphonates for the prevention and treatment of osteoporosis. Methods This study was conducted using a retrospective cohort design. Female beneficiaries (45 years and older with at least one claim for raloxifene or a bisphosphonate in 2003 through 2005 and continuous enrollment in the previous 12 months and subsequent 6 months were identified using a collection of large national commercial, Medicare supplemental, and Medicaid administrative claims databases (MarketScan®. Patients were divided into two cohorts, a combined commercial/Medicare cohort and a Medicaid cohort. Within each cohort, characteristics (demographic, clinical, and resource utilization of patients initiating raloxifene were compared to those of patients initiating bisphosphonate therapy. Group comparisons were made using chi-square tests for proportions of categorical measures and Wilcoxon rank-sum tests for continuous variables. Logistic regression was used to simultaneously examine factors independently associated with initiation of raloxifene versus a bisphosphonate. Results Within both the commercial/Medicare and Medicaid cohorts, raloxifene patients were younger, had fewer comorbid conditions, and fewer pre-existing fractures than bisphosphonate patients. Raloxifene patients in both cohorts were less likely to have had a bone mineral density (BMD screening in the previous year than were bisphosphonate patients, and were also more likely to have used estrogen or estrogen/progestin therapy in the

Sustainable Agricultural Marketing Initiatives

Directory of Open Access Journals (Sweden)

Hakan Adanacıoğlu

2015-07-01

Full Text Available Sustainable marketing is a holistic approach that puts equal emphasis on environmental, social equity, and economic concerns in the development of marketing strategies. The purpose of the study is to examine and discuss the sustainable agricultural marketing initiatives practiced throughout the World and Turkey, and to put forth suggestions to further improve the performance of agricultural marketing initiatives in Turkey. Some of the sustainable agricultural marketing initiatives practiced around the world are carried out through civil organizations. Furthermore; some of these initiatives have also launched by farmers, consumers, food processors and retailers. The long-term strategies to increase these initiatives should be determined due to the fact that examples of successful sustainable agricultural marketing initiatives are inadequate and cannot be spread in Turkey. In this context, first of all, the supports provided by the government to improve agricultural marketing systems, such as EU funds for rural development should be compatible with the goals of sustainable marketing. For this purpose, it should be examined whether all proposed projects related to agricultural marketing meet the social, economic, and environmental principles of sustainable marketing. It is important that supporting organizations, especially civil society organisations, should take an active role for faster dissemination and adoption of sustainable agricultural marketing practices in Turkey. These organizations may provide technical assistance in preparing successful project proposals and training to farm groups. In addition, the other organizations, such as local administrations, producers' associations, cooperatives, can contribute to the success of sustainable agricultural marketing initiatives. The use of direct marketing strategies and vertical integration attempts in sustainable agricultural marketing initiatives that will likely be implemented in Turkey is

Community Rates of Breastfeeding Initiation.

Science.gov (United States)

Grubesic, Tony H; Durbin, Kelly M

2016-11-01

Breastfeeding initiation rates vary considerably across racial and ethnic groups, maternal age, and education level, yet there are limited data concerning the influence of geography on community rates of breastfeeding initiation. This study aimed to describe how community rates of breastfeeding initiation vary in geographic space, highlighting "hot spots" and "cool spots" of initiation and exploring the potential connections between race, socioeconomic status, and urbanization levels on these patterns. Birth certificate data from the Kentucky Department of Health for 2004-2010 were combined with county-level geographic base files, Census 2010 demographic and socioeconomic data, and Rural-Urban Continuum Codes to conduct a spatial statistical analysis of community rates of breastfeeding initiation. Between 2004 and 2010, the average rate of breastfeeding initiation for Kentucky increased from 43.84% to 49.22%. Simultaneously, the number of counties identified as breastfeeding initiation hot spots also increased, displaying a systematic geographic pattern in doing so. Cool spots of breastfeeding initiation persisted in rural, Appalachian Kentucky. Spatial regression results suggested that unemployment, income, race, education, location, and the availability of International Board Certified Lactation Consultants are connected to breastfeeding initiation. Not only do spatial analytics facilitate the identification of breastfeeding initiation hot spots and cool spots, but they can be used to better understand the landscape of breastfeeding initiation and help target breastfeeding education and/or support efforts.

Habilidades auditivas e medidas da imitância acústica em crianças de 4 a 6 anos de idade

OpenAIRE

Toscano,Rafaela Della Giacoma Prado; Anastasio,Adriana Ribeiro Tavares

2012-01-01

OBJETIVO: avaliar o desempenho em habilidades auditivas e as condições de orelha média de crianças de 4 a 6 anos de idade. MÉTODO: foram aplicados os testes de detecção sonora (audiômetro pediátrico em 20dBNA), a Avaliação Simplificada do Processamento Auditivo (ASPA) e as medidas de imitância acústica (handtymp com tom de 226Hz) em 61 crianças com média de idade de 5,65 anos. Para comparar os resultados das provas de habilidades auditivas e das medidas da imitância acústica foi aplicado o te...

Laser re-melting of tungsten damaged by transient heat loads

Czech Academy of Sciences Publication Activity Database

Loewenhoff, Th.; Linke, J.; Matějíček, Jiří; Rasinski, M.; Vostřák, M.; Wirtz, M.

2016-01-01

Roč. 9, December (2016), s. 165-170 ISSN 2352-1791. [International Conference of Fusion Reactor Material (ICFRM-17) /17./. Aachen, 11.10.2015-16.10.2015] R&D Projects: GA ČR(CZ) GA14-12837S Institutional support: RVO:61389021 Keywords : Plasma facing material * Laser surface remelting * Transient heat load * Tungsten Subject RIV: JG - Metallurgy http://dx.doi.org/10.1016/j.nme.2016.04.004

Nondestructive indication of fatigue damage and residual lifetime in ferromagnetic construction materials

Czech Academy of Sciences Publication Activity Database

Tomáš, Ivan; Kovářík, O.; Vértesy, G.; Kadlecová, Jana

2014-01-01

Roč. 25, č. 6 (2014), "065601-1"-"065601-10" ISSN 0957-0233. [International Symposium on Measurement Technology and Intelligent Instruments /11./ (ISMTII). Aachen, 01.07.2013-03.07.2013] R&D Projects: GA ČR(CZ) GAP108/12/1872 Institutional support: RVO:68378271 Keywords : fatigue * residual lifetime * magnetic nondestructive evaluation * ferromagnetic construction materials Subject RIV: BM - Solid Matter Physics ; Magnetism Impact factor: 1.433, year: 2014

Pre-ignition and glow-ignition of gasoline biofuels; Vorentflammung und Gluehzuendung von Ottokraftstoffen mit Bioanteilen

Energy Technology Data Exchange (ETDEWEB)

Guenther, Marco; Kremer, Florian; Pischinger, Stefan [RWTH Aachen Univ. (Germany). Lehrstuhl fuer Verbrennungskraftmaschinen; Uygun, Yasar [RWTH Aachen Univ. (Germany). Stosswellenlabor

2013-12-01

Due to their specific fuel properties alternative fuels from biomass allow to significantly reduce carbon dioxide emissions and increase the thermal efficiency of gasoline combustion systems. Both enhanced downsizing and new fuels lead to challenges due to irregular combustion phenomena. Within the scope of a FVV research project new test methodologies and possible characteristic numbers characterising irregular combustion phenomena of various alternative fuels have been developed at RWTH Aachen University. (orig.)

Piezoelectrically Initiated Pyrotechnic Igniter

Science.gov (United States)

Quince, Asia; Dutton, Maureen; Hicks, Robert; Burnham, Karen

2013-01-01

This innovation consists of a pyrotechnic initiator and piezoelectric initiation system. The device will be capable of being initiated mechanically; resisting initiation by EMF, RF, and EMI (electromagnetic field, radio frequency, and electromagnetic interference, respectively); and initiating in water environments and space environments. Current devices of this nature are initiated by the mechanical action of a firing pin against a primer. Primers historically are prone to failure. These failures are commonly known as misfires or hang-fires. In many cases, the primer shows the dent where the firing pin struck the primer, but the primer failed to fire. In devices such as "T" handles, which are commonly used to initiate the blowout of canopies, loss of function of the device may result in loss of crew. In devices such as flares or smoke generators, failure can result in failure to spot a downed pilot. The piezoelectrically initiated ignition system consists of a pyrotechnic device that plugs into a mechanical system (activator), which on activation, generates a high-voltage spark. The activator, when released, will strike a stack of electrically linked piezo crystals, generating a high-voltage, low-amperage current that is then conducted to the pyro-initiator. Within the initiator, an electrode releases a spark that passes through a pyrotechnic first-fire mixture, causing it to combust. The combustion of the first-fire initiates a primary pyrotechnic or explosive powder. If used in a "T" handle, the primary would ramp the speed of burn up to the speed of sound, generating a shock wave that would cause a high explosive to go "high order." In a flare or smoke generator, the secondary would produce the heat necessary to ignite the pyrotechnic mixture. The piezo activator subsystem is redundant in that a second stack of crystals would be struck at the same time with the same activation force, doubling the probability of a first strike spark generation. If the first

Student initiative: A conceptual analysis

Directory of Open Access Journals (Sweden)

Polovina Nada

2014-01-01

Full Text Available In the description and scientific consideration of the attitude of children and youth towards their education and development, the concept of student initiative has been gaining ground lately, and it is hence the subject of analysis in this paper. The analysis is important because of the discrepancy between the increased efforts of the key educational policy holders to promote the idea about the importance of the development of student initiative and rare acceptance of this idea among theoreticians, researchers and practitioners dealing with the education and development of children and youth. By concretising the features of initiative student behaviour, our aim was, on the one hand, to observe the structural determinants and scientific status of the very concept of an initiative student, and, on the other, to contribute to the understanding of the initiative behaviour in practice. In the first part of the paper we deal with different notions and concretisations of the features of initiative behaviour of children and youth, which includes the consideration of: basic student initiative, academic student initiative, individual student initiative, the capacity for initiative and personal development initiative. In the second part of the paper, we discuss the relations of the concept of student initiative with the similar general concepts (activity/passivity, proactivity, agency and the concepts immediately related to school environment (student involvement, student participation. The results of our analysis indicate that the concept of student initiative has: particular features that differentiate it from similar concepts; the potential to reach the status of a scientific concept, bearing in mind the initial empirical specifications and general empirical verifiability of the yet unverified determinants of the concept. In the concluding part of the paper, we discuss the implications of the conceptual analysis for further research, as well as for

A methodology for analyzing precursors to earthquake-initiated and fire-initiated accident sequences

International Nuclear Information System (INIS)

Budnitz, R.J.; Lambert, H.E.; Apostolakis, G.

1998-04-01

This report covers work to develop a methodology for analyzing precursors to both earthquake-initiated and fire-initiated accidents at commercial nuclear power plants. Currently, the U.S. Nuclear Regulatory Commission sponsors a large ongoing project, the Accident Sequence Precursor project, to analyze the safety significance of other types of accident precursors, such as those arising from internally-initiated transients and pipe breaks, but earthquakes and fires are not within the current scope. The results of this project are that: (1) an overall step-by-step methodology has been developed for precursors to both fire-initiated and seismic-initiated potential accidents; (2) some stylized case-study examples are provided to demonstrate how the fully-developed methodology works in practice, and (3) a generic seismic-fragility date base for equipment is provided for use in seismic-precursors analyses. 44 refs., 23 figs., 16 tabs

AC Initiation System.

Science.gov (United States)

An ac initiation system is described which uses three ac transmission signals interlocked for safety by frequency, phase, and power discrimination...The ac initiation system is pre-armed by the application of two ac signals have the proper phases, and activates a load when an ac power signal of the proper frequency and power level is applied. (Author)

Inflation with generalized initial conditions

International Nuclear Information System (INIS)

Albrecht, A.; Brandenberger, R.; Matzner, R.

1987-01-01

In many current models of the early Universe a scalar field phi which is only very weakly coupled to other quantum fields is used to generate inflation. In such models there are no forces which could thermalize the scalar field, and previous assumptions about its preinflation ''initial'' conditions must be abandoned. In this paper the onset of inflation is studied classically for more general initial conditions of the scalar field configuration. In particular, initial conditions with a nonvanishing spatial average of phi, with phi chosen at random in each initial horizon volume, and with random initial momenta are considered. We identify and discuss several mechanisms that can drive these more general initial conditions toward an inflationary state. The analysis is done in one spatial dimension

EXPERIENCES WITH IDEA PROMOTING INITIATIVES

DEFF Research Database (Denmark)

Gish, Liv

2011-01-01

In new product development a central activity is to provide new ideas. Over the last decades experiences with stimulating employee creativity and establishing idea promoting initiatives have been made in industrial practice. Such initiatives are often labeled Idea Management – a research field...... with a growing interest. In this paper I examine three different idea promoting initiatives carried out in Grundfos, a leading pump manufacturer. In the analysis I address what understandings of idea work are inscribed in the initiatives and what role these initiatives play in the organization with respect...... understandings of idea work are inscribed in the idea promoting initiatives as they to some degree have to fit with the understandings embedded in practice in order to work....

Solutions to the Cosmic Initial Entropy Problem without Equilibrium Initial Conditions

Directory of Open Access Journals (Sweden)

Vihan M. Patel

2017-08-01

Full Text Available The entropy of the observable universe is increasing. Thus, at earlier times the entropy was lower. However, the cosmic microwave background radiation reveals an apparently high entropy universe close to thermal and chemical equilibrium. A two-part solution to this cosmic initial entropy problem is proposed. Following Penrose, we argue that the evenly distributed matter of the early universe is equivalent to low gravitational entropy. There are two competing explanations for how this initial low gravitational entropy comes about. (1 Inflation and baryogenesis produce a virtually homogeneous distribution of matter with a low gravitational entropy. (2 Dissatisfied with explaining a low gravitational entropy as the product of a ‘special’ scalar field, some theorists argue (following Boltzmann for a “more natural” initial condition in which the entire universe is in an initial equilibrium state of maximum entropy. In this equilibrium model, our observable universe is an unusual low entropy fluctuation embedded in a high entropy universe. The anthropic principle and the fluctuation theorem suggest that this low entropy region should be as small as possible and have as large an entropy as possible, consistent with our existence. However, our low entropy universe is much larger than needed to produce observers, and we see no evidence for an embedding in a higher entropy background. The initial conditions of inflationary models are as natural as the equilibrium background favored by many theorists.

DNA replication initiator Cdc6 also regulates ribosomal DNA transcription initiation.

Science.gov (United States)

Huang, Shijiao; Xu, Xiaowei; Wang, Guopeng; Lu, Guoliang; Xie, Wenbing; Tao, Wei; Zhang, Hongyin; Jiang, Qing; Zhang, Chuanmao

2016-04-01

RNA-polymerase-I-dependent ribosomal DNA (rDNA) transcription is fundamental to rRNA processing, ribosome assembly and protein synthesis. However, how this process is initiated during the cell cycle is not fully understood. By performing a proteomic analysis of transcription factors that bind RNA polymerase I during rDNA transcription initiation, we identified that the DNA replication initiator Cdc6 interacts with RNA polymerase I and its co-factors, and promotes rDNA transcription in G1 phase in an ATPase-activity-dependent manner. We further showed that Cdc6 is targeted to the nucleolus during late mitosis and G1 phase in a manner that is dependent on B23 (also known as nucleophosmin, NPM1), and preferentially binds to the rDNA promoter through its ATP-binding domain. Overexpression of Cdc6 increases rDNA transcription, whereas knockdown of Cdc6 results in a decreased association of both RNA polymerase I and the RNA polymerase I transcription factor RRN3 with rDNA, and a reduction of rDNA transcription. Furthermore, depletion of Cdc6 impairs the interaction between RRN3 and RNA polymerase I. Taken together, our data demonstrate that Cdc6 also serves as a regulator of rDNA transcription initiation, and indicate a mechanism by which initiation of rDNA transcription and DNA replication can be coordinated in cells. © 2016. Published by The Company of Biologists Ltd.

Stability of fuels containing current and future biofuels; Bewertung heutiger und zukuenftiger Kraftstoffe mit biogenen Anteilen

Energy Technology Data Exchange (ETDEWEB)

Rheinberg, Oliver van; Hoffmann, Hajo; Jaschinski, Christian; Koch, Winfried [Oel-Waerme-Institut GmbH, Herzogenrath (Germany)

2012-06-15

Oel-Waeerme-Institut GmbH, an affiliated research institute of RWTH Aachen University, has developed a hardware in-the-loop test facility to investigate the interaction between biofuels and the components that come into contact with them. An analysis of the measurements shows that significant technical modifications will need to be made to independent vehicle heaters and in-tank pumps in order to enable a high proportion of biofuel to be used. (orig.)

Modeling of divertor particle and heat loads during application of resonant magnetic perturbation fields for ELM control in ITER

Czech Academy of Sciences Publication Activity Database

Schmitz, O.; Bécoulet, M.; Cahyna, Pavel; Evans, T.E.; Feng, Y.; Frerichs, H.; Kirschner, A.; Kukushkin, A.; Laengner, R.; Lunt, T.; Loarte, A.; Pitts, R.; Reiser, D.; Reiter, D.; Saibene, G.; Samm, U.

2013-01-01

Roč. 438, suppl (2013), S194-S198 ISSN 0022-3115. [ International Conference on Plasma-Surface Interactions in Controlled Fusion Devices/20./. Aachen, 21.05.2012-25.05.2012] R&D Projects: GA ČR GAP205/11/2341 Institutional support: RVO:61389021 Keywords : Plasma properties * Plasma-Materials Interaction Subject RIV: BL - Plasma and Gas Discharge Physics Impact factor: 2.016, year: 2013 http://www.sciencedirect.com/science/article/pii/S0022311513000330

Megacities and the United States Army: Preparing for a Complex and Uncertain Future

Science.gov (United States)

2014-06-01

fighting is not, in itself, a new challenge for the Army. From the streets of Aachen to the markets of Baghdad, Soldiers have de- feated enemies who...which if allowed to fester, may build over time, mobilize segments of the popula- tion, and erupt as triggers of instability. ENVIRONMENTAL...cultural institutions, as well as over 51 million do- mestic and foreign tourists each year, agencies that provide services and security within the

User services in the central library of Juelich Research Center

International Nuclear Information System (INIS)

Lapp, E.

1993-01-01

The central library is a sci/tech special library providing information for the KFA researchers and staff. The library has a large collection of sci/tech materials to meet the information demands of the KFA employees and over 3.000 external users. Among the outside users are students fromthe universities and polytechnics of the region Aachen, Cologne, Duesseldorf, and industry. The library acquires about 8.000 volumes per year and subscribes to 2000 journals. (orig.)

Numerical sensitivity analysis of divertor heat flux and edge temperature at DIII-D under the influence of resonant magnetic perturbations

Czech Academy of Sciences Publication Activity Database

Frerichs, H.; Schmitz, O.; Reiter, D.; Cahyna, Pavel; Feng, Y.; Evans, T.E.

2013-01-01

Roč. 438, suppl (2013), S360-S363 ISSN 0022-3115. [International Conference on Plasma-Surface Interactions in Controlled Fusion Devices/20./. Aachen, 21.05.2012-25.05.2012] R&D Projects: GA ČR GAP205/11/2341 Institutional support: RVO:61389021 Keywords : Plasma properties * Plasma-Materials Interaction Subject RIV: BL - Plasma and Gas Discharge Physics Impact factor: 2.016, year: 2013 http://www.sciencedirect.com/science/article/pii/S0022311513000767

Behavior of W-based materials in hot helium gas

Czech Academy of Sciences Publication Activity Database

Matějíček, Jiří; Vilémová, Monika; Hadraba, Hynek; Di Gabriele, F.; Kuběna, Ivo; Kolíbalová, E.; Michalička, J.; Čech, J.; Jäger, Aleš

2016-01-01

Roč. 9, December (2016), s. 405-410 ISSN 2352-1791. [International Conference of Fusion Reactor Material (ICFRM-17) /17./. Aachen, 11.10.2015-16.10.2015] R&D Projects: GA ČR(CZ) GA14-12837S Institutional support: RVO:61389021 ; RVO:68081723 ; RVO:68378271 Keywords : tungsten * helium * fusion materials Subject RIV: JG - Metallurgy; JG - Metallurgy (UFM-A); JG - Metallurgy (FZU-D) http://dx.doi.org/10.1016/j.nme.2016.03.009

Direct medical costs and medication compliance among fibromyalgia patients: duloxetine initiators vs. pregabalin initiators.

Science.gov (United States)

Sun, Peter; Peng, Xiaomei; Sun, Steve; Novick, Diego; Faries, Douglas E; Andrews, Jeffrey S; Wohlreich, Madelaine M; Wu, Andrew

2014-01-01

To assess and compare direct medical costs and medication compliance between patients with fibromyalgia who initiated duloxetine and patients with fibromyalgia who initiated pregabalin in 2008. A retrospective cohort study design was used based on a large US national commercial claims database (2006 to 2009). Patients with fibromyalgia aged 18 to 64 who initiated duloxetine or pregabalin in 2008 and who had continuous health insurance 1 year preceding and 1 year following the initiation were selected into duloxetine cohort or pregabalin cohort based on their initiated agent. Medication compliance was measured by total supply days, medication possession ratio (MPR), and proportion of patients with MPR ≥ 0.8. Direct medical costs were measured by annual costs per patient and compared between the cohorts in the year following the initiation. Propensity score stratification and bootstrapping methods were used to adjust for distribution bias, as well as cross-cohort differences in demographic, clinical and economic characteristics, and medication history prior to the initiation. Both the duloxetine (n = 3,033) and pregabalin (n = 4,838) cohorts had a mean initiation age around 49 years, 89% were women. During the postindex year, compared to the pregabalin cohort, the duloxetine cohort had higher totally annual supply days (273.5 vs. 176.6, P costs ($2,994.9 vs. $4,949.6, P costs ($8,259.6 vs. $10,312.2, P costs ($5,214.6 vs. $5,290.8, P > 0.05), and lower total medical costs ($16,469.1 vs. $20,552.6, P compliance and consumed less inpatient, outpatient, and total medical costs than those who initiated pregabalin. © 2013 The Authors Pain Practice © 2013 World Institute of Pain.

National Take-Back Initiative

Science.gov (United States)

... Disposal Information Drug and Chemical Information E-commerce Initiatives Federal Agencies & Related Links Federal Register Notices National ... Disposal Information Drug and Chemical Information E-commerce Initiatives Federal Agencies & Related Links Federal Register Notices National ...

Personality Traits and Training Initiation Process: Intention, Planning, and Action Initiation.

Science.gov (United States)

Laguna, Mariola; Purc, Ewelina

2016-01-01

The article aims at investigating the role of personality traits in relation to training initiation. Training initiation is conceptualized as a goal realization process, and explained using goal theories. There are three stages of the process analyzed: intention to undertake training, plan formulation, and actual training undertaking. Two studies tested the relationships between five personality traits, defined according to the five factor model, and the stages of the goal realization process. In Study 1, which explains training intention and training plans' formulation, 155 employees participated. In Study 2, which was time-lagged with two measurement points, and which explains intention, plans, and training actions undertaken, the data from 176 employees was collected at 3 month intervals. The results of these studies show that personality traits, mainly openness to experience, predict the training initiation process to some degree: intention, plans, and actual action initiation. The findings allow us to provide recommendations for practitioners responsible for human resource development. The assessment of openness to experience in employees helps predict their motivation to participate in training activities. To increase training motivation it is vital to strengthen intentions to undertake training, and to encourage training action planning.

Manufacturing Initiative

Data.gov (United States)

National Aeronautics and Space Administration — The Advanced Manufacturing Technologies (AMT) Project supports multiple activities within the Administration's National Manufacturing Initiative. A key component of...

Initiation disruptor systems and methods of initiation disruption

Science.gov (United States)

Baum, Dennis W

2014-09-23

A system that may be used as an initiation disruption system (IDS) according to one embodiment includes an explosive charge; a plurality of particles in a layer at least partially surrounding the explosive charge; and a fire suppressant adjacent the plurality of particles. A method for disabling an object according to one embodiment includes placing the system as recited above near an object; and causing the explosive charge to initiate, thereby applying mechanical loading to the object such that the object becomes disabled. Additional systems and methods are also presented. A device according to another embodiment includes a plurality of particles bound by a binder thereby defining a sidewall having an interior for receiving an explosive; and a fire suppressant adjacent the plurality of particles and binder. Additional systems and methods are also presented.

NLM Emergency Access Initiative: FAQs

Science.gov (United States)

Facebook Visit us on Twitter Visit us on Youtube Emergency Access Initiative Home | Journals | Books | Online Databases | FAQs Take Short Survey FAQ What is the Emergency Access Initiative? The Emergency Access Initiative (EAI) is a collaborative partnership between NLM and participating publishers to

Non-canonical transcription initiation: the expanding universe of transcription initiating substrates.

Science.gov (United States)

Barvík, Ivan; Rejman, Dominik; Panova, Natalya; Šanderová, Hana; Krásný, Libor

2017-03-01

RNA polymerase (RNAP) is the central enzyme of transcription of the genetic information from DNA into RNA. RNAP recognizes four main substrates: ATP, CTP, GTP and UTP. Experimental evidence from the past several years suggests that, besides these four NTPs, other molecules can be used to initiate transcription: (i) ribooligonucleotides (nanoRNAs) and (ii) coenzymes such as NAD+, NADH, dephospho-CoA and FAD. The presence of these molecules at the 5΄ ends of RNAs affects the properties of the RNA. Here, we discuss the expanding portfolio of molecules that can initiate transcription, their mechanism of incorporation, effects on RNA and cellular processes, and we present an outlook toward other possible initiation substrates. © FEMS 2016. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

The Yekaterinburg headache initiative

DEFF Research Database (Denmark)

Lebedeva, Elena R; Olesen, Jes; Osipova, Vera V

2013-01-01

for a demonstrational interventional project in Russia, undertaken within the Global Campaign against Headache. The initiative proposes three actions: 1) raise awareness of need for improvement; 2) design and implement a three-tier model (from primary care to a single highly specialized centre with academic affiliation......) for efficient and equitable delivery of headache-related health care; 3) develop a range of educational initiatives aimed at primary-care physicians, non-specialist neurologists, pharmacists and the general public to support the second action. RESULTS AND CONCLUSION: We set these proposals in a context...... of a health-care needs assessment, and as a model for all Russia. We present and discuss early progress of the initiative, justify the investment of resources required for implementation and call for the political support that full implementation requires. The more that the Yekaterinburg headache initiative...

Self-initiated expatriate academics

DEFF Research Database (Denmark)

Selmer, Jan; Lauring, Jakob

2013-01-01

In this chapter we examine self-initiated expatriate academics. Universities are to an increasing extent looking for talent beyond national boundaries. Accordingly, self-initiated expatriate academics represent a fast growing group of highly educated professionals who gain employment abroad...

Statistical distribution of time to crack initiation and initial crack size using service data

Science.gov (United States)

Heller, R. A.; Yang, J. N.

1977-01-01

Crack growth inspection data gathered during the service life of the C-130 Hercules airplane were used in conjunction with a crack propagation rule to estimate the distribution of crack initiation times and of initial crack sizes. A Bayesian statistical approach was used to calculate the fraction of undetected initiation times as a function of the inspection time and the reliability of the inspection procedure used.

Citizen participation and citizen initiatives

International Nuclear Information System (INIS)

Matthoefer, H.

1977-01-01

Contents: Social conditions for citizen initiatives - technical change and employment - crisis behaviour - socio-psychological analysis of political planning; legitimation - presentation and criticism - conditions for citizen initiatives coming into being within the field of tension citizen : administration - legal problems of citizen initiatives - environmental protection in the energy discussion; participation; models. (HP) [de

Drift chambers for R606 - Aachen-CERN-Harvard-Munich-Northwestern-Riverside Collaboration

CERN Multimedia

CERN PhotoLab

1976-01-01

(see Annual Report of 1976, Fig. 8) The momenta of particles going through the system are measured with two sets of three drift chamber modules, two in front of the magnet and one behind, whose sizes range from about 1.5 m to 5 m.

Aachen international mining symposia: 5. International symposium on roofbolting in mining. Proceedings

International Nuclear Information System (INIS)

2004-01-01

The authors of the symposium report on the following topics: roofbolting in German, Australian, British, Indian, Chinese coal mines, historical aspects, research programs, concrete lining, cable bolts, bolting machines, rectangular roadways,shear behavior of bolts, rock mechanics, resin grouted bolts, effects of earthquakes, support design guidelines, strata movements, numerical modelling, safety aspects. (uke)

Gaseous detonation initiation via wave implosion

Science.gov (United States)

Jackson, Scott Irving

Efficient detonation initiation is a topic of intense interest to designers of pulse detonation engines. This experimental work is the first to detonate propane-air mixtures with an imploding detonation wave and to detonate a gas mixture with a non-reflected, imploding shock. In order to do this, a unique device has been developed that is capable of generating an imploding toroidal detonation wave inside of a tube from a single ignition point without any obstruction to the tube flow path. As part of this study, an initiator that creates a large-aspect-ratio planar detonation wave in gas-phase explosive from a single ignition point has also been developed. The effectiveness of our initiation devices has been evaluated. The minimum energy required by the imploding shock for initiation was determined to scale linearly with the induction zone length, indicating the presence of a planar initiation mode. The imploding toroidal detonation initiator was found to be more effective at detonation initiation than the imploding shock initiator, using a comparable energy input to that of current initiator tubes.

A CONDIÇÃO DE PROLETARIEDADE NA MODERNIDADE SALARIAL – POR UMA ANALÍTICA EXISTENCIAL DO PROLETARIADO

Directory of Open Access Journals (Sweden)

Giovanni Alves

2012-07-01

Full Text Available Nosso objetivo neste ensaio é apresentar o conceito de condição de proletariedade, considerado por nós como a condição existencial fundamental (e fundante da modernidade do capital, que implica homens e mulheres despossuídos dos meios de produção de sua vida social, na situação de “classe social” do proletariado. A “classe” (entre aspas do proletariado é o conjunto social de homens e mulheres, alienados da propriedade/controle social dos meios de produção da vida, que estão subsumidos a uma condição existencial histórico-particular – a condição de proletariedade. 

42 CFR 405.803 - Initial determination.

Science.gov (United States)

2010-10-01

... 42 Public Health 2 2010-10-01 2010-10-01 false Initial determination. 405.803 Section 405.803....803 Initial determination. (a) Carriers make initial determinations regarding claims for benefits under Medicare Part B. (b) An initial determination for purposes of this subpart includes determinations...

Integration of the end cap TEC+ of the CMS silicon strip tracker

Energy Technology Data Exchange (ETDEWEB)

Bremer, Richard

2008-04-28

CMS is the first large experiment of high-energy particle physics whose inner tracking system is exclusively instrumented with silicon detector modules. This tracker comprises 15 148 silicon strip modules enclosing the interaction point in 10-12 layers. The 1. Physikalisches Institut B of RWTH Aachen was deeply involved in the completion of the end caps of the tracking system. The institute played a leading role in the end cap design, produced virtually all support structures and several important electrical components, designed and built the laser alignment system of the tracker, performed system tests and finally integrated one of the two end caps in Aachen. This integration constitutes the central part of the present thesis work. The main focus was on the development of methods to recognise defects early in the integration process and to assert the detector's functionality. Characteristic quantities such as the detector noise or the optical gain of the readout chain were determined during integration as well as during a series of tests performed after transport of the end cap from Aachen to CERN. The procedures followed during the mechanical integration of the detector and during the commissioning of integrated sectors are explained, and the software packages developed for quality assurance are described. In addition, results of the detector readout are presented. During the integration phase, sub-structures of the end cap - named petals - were subjected to a reception test which has also been designed and operated as part of this thesis work. The test setup and software developed for the test are introduced and an account of the analysis of the recorded data is given. Before the end cap project entered the production phase, a final test beam experiment was performed in which the suitability of a system of two fully equipped petals for operation at the LHC was checked. The measured ratio of the signal induced in the silicon sensors by minimal ionising

Integration of the end cap TEC+ of the CMS silicon strip tracker

International Nuclear Information System (INIS)

Bremer, Richard

2008-01-01

CMS is the first large experiment of high-energy particle physics whose inner tracking system is exclusively instrumented with silicon detector modules. This tracker comprises 15 148 silicon strip modules enclosing the interaction point in 10-12 layers. The 1. Physikalisches Institut B of RWTH Aachen was deeply involved in the completion of the end caps of the tracking system. The institute played a leading role in the end cap design, produced virtually all support structures and several important electrical components, designed and built the laser alignment system of the tracker, performed system tests and finally integrated one of the two end caps in Aachen. This integration constitutes the central part of the present thesis work. The main focus was on the development of methods to recognise defects early in the integration process and to assert the detector's functionality. Characteristic quantities such as the detector noise or the optical gain of the readout chain were determined during integration as well as during a series of tests performed after transport of the end cap from Aachen to CERN. The procedures followed during the mechanical integration of the detector and during the commissioning of integrated sectors are explained, and the software packages developed for quality assurance are described. In addition, results of the detector readout are presented. During the integration phase, sub-structures of the end cap - named petals - were subjected to a reception test which has also been designed and operated as part of this thesis work. The test setup and software developed for the test are introduced and an account of the analysis of the recorded data is given. Before the end cap project entered the production phase, a final test beam experiment was performed in which the suitability of a system of two fully equipped petals for operation at the LHC was checked. The measured ratio of the signal induced in the silicon sensors by minimal ionising particles

1996 environmental initiatives report

International Nuclear Information System (INIS)

1996-01-01

Progress by Consumers Gas in addressing environmental challenges were reviewed. Proposed environmental initiatives for the next fiscal year and beyond were introduced. Proposed initiatives were placed into three priority categories, high, medium or low, which together with the environmental management framework form the the utility's overall environmental agenda. High on the list of environmental priorities for the company are atmospheric air emissions, planning and construction practices, energy conservation and efficiency, environmental compliance, and methane emissions. The present state of the initiatives by the various company divisions and regions, compiled from the respective business plans, were reported. 21 figs

36 CFR 902.60 - Initial determination.

Science.gov (United States)

2010-07-01

... 36 Parks, Forests, and Public Property 3 2010-07-01 2010-07-01 false Initial determination. 902.60... INFORMATION ACT Time Limitations § 902.60 Initial determination. (a) An initial determination whether or not... workdays in accordance with § 902.62. (b) Upon making initial determination, the Administrative Officer...

Non-canonical transcription initiation: the expanding universe of transcription initiating substrates

Czech Academy of Sciences Publication Activity Database

Barvík, I.; Rejman, Dominik; Panova, Natalya; Šanderová, Hana; Krásný, Libor

2017-01-01

Roč. 41, č. 2 (2017), s. 131-138 ISSN 0168-6445 R&D Projects: GA ČR GA15-05228S; GA ČR GA15-11711S Institutional support: RVO:61388963 ; RVO:61388971 Keywords : RNA polymerase * non-canonical transcription initiation * transcription initiating substrate * nicotinamide adenine dinucleotide (NAD(+)) * coenzymes * RNA stability Subject RIV: EB - Genetics ; Molecular Biology; EE - Microbiology, Virology (MBU-M) OBOR OECD: Biochemistry and molecular biology; Microbiology (MBU-M) Impact factor: 12.198, year: 2016

Behavior and microstructural changes in different tungsten-based materials under pulsed plasma loading

Czech Academy of Sciences Publication Activity Database

Vilémová, Monika; Pala, Zdeněk; Jäger, Aleš; Matějíček, Jiří; Chernyshova, M.; Kowalska-Strzeciwilk, E.; Gribkov, V. A.; Janata, Marek

2016-01-01

Roč. 9, December (2016), s. 123-127 ISSN 2352-1791. [International Conference of Fusion Reactor Material (ICFRM-17) /17./. Aachen, 11.10.2015-16.10.2015] R&D Projects: GA ČR(CZ) GA14-12837S Institutional support: RVO:61389021 ; RVO:68378271 Keywords : ODS tungsten * yttrium oxide * porosity * phase stability * monoclinic phase * plasma focus * damage * erosion Subject RIV: JJ - Other Materials; JJ - Other Materials (FZU-D) http://dx.doi.org/10.1016/j.nme.2016.06.004

The chessgame: image, power and the church (late tenth-early twelfth century

Directory of Open Access Journals (Sweden)

Philippe Cordez

2011-12-01

Full Text Available The original in the East, the chessgame was adapted to the Western social and military realities since the tenth century. The codes for the exercise of feudal power were symbolized through the manipulation of its pieces. The analysis of four outside the realm of the chessgame, in the churches of Münster, Aachen, Saint-Denis and Reims, underlines the contribution of chess for the definition of the German Empire and of the French Kingdom.

Simplificación del proceso de lana cardada

OpenAIRE

Coll Tortosa, Liberto; Riva Juan, Ascensión; Adolphs, Georg; García Congosto, Mariano; Roig Munill, Francesc; Fresno Chamarro, José; Marcos Maldonado, Mª José; Cano Casas, Francesc

1999-01-01

Este trabajo es parte de un proyecto I+D perteneciente al programa europeo BriteEuram 4478. En el conjunto del proyecto participó el siguiente consorcio internacional. • Spinnbau Bremen (D), (constructor de maquinaria de hilatura). • Tuchfabric Becker (D), (empresa manufacturera). • HILFESA (E), (empresa manufacturera) • Institut für Textiltechnik de la RWTH Aachen (D), (centro universitario de investigación). • INTEXTER (E) que actuó de coordinador del proyecto, (centro unive...

Conversion of waste dump into a recreation and leisure park

International Nuclear Information System (INIS)

Petit, E.; Martens, P.N.

1997-01-01

In a two year strategy-project Aachen University investigated possibilities for postmining activities for a German coal mine. All research work was based on existing infrastructure and mine related potentials. One of the potentials is the waste dump with a height of 90 m above surface and 40 ha in size. This paper deals with the idea of converting the dump into a recreation and leisure park with greater than regional significance. 3 refs., 4 figs

Engineering education 4.0 excellent teaching and learning in engineering sciences

CERN Document Server

Meisen, Tobias; Richert, Anja; Petermann, Marcus; Jeschke, Sabina; Wilkesmann, Uwe; Tekkaya, A

2016-01-01

This book presents a collection of results from the interdisciplinary research project “ELLI” published by researchers at RWTH Aachen University, the TU Dortmund and Ruhr-Universität Bochum between 2011 and 2016. All contributions showcase essential research results, concepts and innovative teaching methods to improve engineering education. Further, they focus on a variety of areas, including virtual and remote teaching and learning environments, student mobility, support throughout the student lifecycle, and the cultivation of interdisciplinary skills. .

Strike point splitting induced by the application of magnetic perturbations on MAST

Czech Academy of Sciences Publication Activity Database

Cahyna, Pavel; Peterka, Matěj; Kirk, A.; Thornton, A.; Harrison, J.; Muir, D.; Pánek, Radomír

2013-01-01

Roč. 438, suppl (2013), S326-S329 ISSN 0022-3115. [International Conference on Plasma-Surface Interactions in Controlled Fusion Devices/20./. Aachen, 21.05.2012-25.05.2012] R&D Projects: GA ČR GAP205/11/2341; GA MŠk 7G10072 Institutional support: RVO:61389021 Keywords : Plasma properties * Plasma-Materials Interaction Subject RIV: BL - Plasma and Gas Discharge Physics Impact factor: 2.016, year: 2013 http://www.sciencedirect.com/science/article/pii/S0022311513000688

Symposium on Turbulent Shear Flows (3rd), University of California, Davis, California, 9-11 September 1981.

Science.gov (United States)

1981-09-01

34, 2 9. Deutscher Flammentag, Aachen, (1979), VDI -Bericht * Nr. 346 7 Yamaoka, I. and Tsuji, H. : "An Experimental Study of Flammability Limits Using...not exceed 23 amplitude of oscillations KHz. Thus. 1024. 2048 or 4096 points were sampled or critical value Scritical pase a gper period per channel...K Rohren," VDI -Forschungsheft, No. 361, 1933. z d = 0.439 ft. 7 Rodi, W., "Turbulence Models for Environmental .7_ X Problems," Prediction Methods

Ports Initiative

Science.gov (United States)

EPA's Ports Initiative works in collaboration with the port industry, communities, and government to improve environmental performance and increase economic prosperity. This effort helps people near ports breath cleaner air and live better lives.

Defense Acquisition Initiatives Review: An Assessment of Extant Initiatives

National Research Council Canada - National Science Library

Porter, Gene; Berteau, David; Christle, Gary; Mandelbaum, Jay; Diehl, Richard

2005-01-01

...) to identify and analyze a subset of initiatives that the team finds to have potential for near term management emphasis that could provide visible improvements to the much criticized Defense acquisition system...

Initial value gravitational quadrupole radiation theorem

International Nuclear Information System (INIS)

Winicour, J.

1987-01-01

A rigorous version of the quadrupole radiation formula is derived using the characteristic initial value formulation of a general relativistic fluid space-time. Starting from initial data for a Newtonian fluid, an algorithm is presented that determines characteristic initial data for a one-parameter family of general relativistic fluid space-times. At the initial time, a one-parameter family of space-times with this initial data osculates the evolution of the Newtonian fluid and has leading order news function equal to the third time derivative of the transverse Newtonian quadrupole moment

76 FR 25328 - New Mexico Green Initiatives, LLC; Supplemental Notice That Initial Market-Based Rate Filing...

Science.gov (United States)

2011-05-04

... Mexico Green Initiatives, LLC's application for market-based rate authority, with an accompanying rate... DEPARTMENT OF ENERGY Federal Energy Regulatory Commission [Docket No. ER11-3431-000] New Mexico Green Initiatives, LLC; Supplemental Notice That Initial Market-Based Rate Filing Includes Request for...

Integrated Initiating Event Performance Indicators

International Nuclear Information System (INIS)

S. A. Eide; Dale M. Rasmuson; Corwin L. Atwood

2005-01-01

The U.S. Nuclear Regulatory Commission Industry Trends Program (ITP) collects and analyses industry-wide data, assesses the safety significance of results, and communicates results to Congress and other stakeholders. This paper outlines potential enhancements in the ITP to comprehensively cover the Initiating Events Cornerstone of Safety. Future work will address other cornerstones of safety. The proposed Tier 1 activity involves collecting data on ten categories of risk-significant initiating events, trending the results, and comparing early performance with prediction limits (allowable numbers of events, above which NRC action may occur). Tier 1 results would be used to monitor industry performance at the level of individual categories of initiating events. The proposed Tier 2 activity involves integrating the information for individual categories of initiating events into a single risk-based indicator, termed the Baseline Risk Index for Initiating Events or BRIIE. The BRIIE would be evaluated yearly and compared against a threshold. BRIIE results would be reported to Congress on a yearly basis

Cleaning of process and excess water from organic waste fermentation with a combination of biological treatment stage and microfiltration; Reinigung von Prozess- und Ueberschusswaessern aus der Bioabfallvergaerung durch Kombination aus biologischer Stufe und Mikrofiltration

Energy Technology Data Exchange (ETDEWEB)

Buer, T.; Schumacher, J. [Technische Hochschule Aachen (Germany). Lehrstuhl und Inst. fuer Siedlungswasserwirtschaft

1999-07-01

Within the framework of an R and D project sponsored by the Deutsche Bundesstiftung Umwelt, cleaning of process and excess water from organic waste fermentation plants was studied at the Institute for Siedlungswasserwirtschaft of Aachen Technical University RWTH. The focus in studying these waste waters was on the adaptation and optimization of the ZenoGem {sup trademark} process - a biological cleaning technique with an integrated microfiltration membrane. The use of this technology had the following objectives: to safeguard compliance with the limiting values for direct or indirect discharge of excess water and to reduce the heavy metal freight of circulating process water reentering the fermentation process for mashing raw organic waste. Thus the pollutant content of the fermentation residue was to be cut down. (orig.) [German] Im Rahmen eines von der Deutschen Bundesstiftung Umwelt gefoerderten Forschungs- und Entwicklungsvorhabens wurde am Institut fuer Siedlungswasserwirtschaft der RWTH Aachen die Prozess- und Ueberschusswasserreinigung von Bioabfallvergaerungsanlagen untersucht. Dabei stellte die Adaption und Optimierung des ZenoGem {sup trademark} -Verfahrens - ein biologisches Reinigungsverfahren mit integrierter Mikrofiltrationsmembran - fuer diese Abwaesser den Untersuchungsschwerpunkt dar. Ziel war es, mit dieser Technologie zum einen die Grenzwerte fuer eine direkte oder indirekte Einleitung des Ueberschusswassers zu gewaehrleisten und zum anderen die zirkulierenden Prozesswaesser, die in den Vergaerungsprozess zum Anmaischen der Roh-Bioabfaelle zurueckgefuehrt werden, an Schwermetallen zu entfrachten. Hierdurch sollte eine Schadstoffreduktion im Gaerreststoff erzielt werden. (orig.)

Cooperation in simulating a pressurized coal dust reactor with different simulation programs; Kooperation bei der Simulation eines Druckkohlenstaubreaktors mit unterschiedlichen Simulationsprogrammen

Energy Technology Data Exchange (ETDEWEB)

Ayar, A.; Hecken, M. [Technische Hochschule Aachen (Germany). Lehrstuhl fuer Waermeuebertragung und Klimatechnik; Mohr, M.; Murza, S. [Bochum Univ. (Germany). Lehrstuhl fuer Energieanlagentechnik; Richter, S.; Stroehle, J. [Stuttgart Univ. (Germany). Inst. fuer Verfahrenstechnik und Dampfkesselwesen

1999-09-01

The contribution presents the results of a cooperative project of three different universities - Department of Heat Transfer and Air Conditioning Engineering (WUeK) of RWTH Aachen, Department of Power Sytems Engineering (LEAT) of Ruhr-Universitaet Bochum, Institute of Chemical Engineering and Steam Boiler Engineering (IVD) of Stuttgart University - which involved modellilng a benchmark flame of the pressurized coal dust reactor of the Departmentof Heat Transfer and Air Conditioning Engineering. The conditions of the benchmark flame reflect a real firnace condition which so far has never been investigated experimentally. The contribution compares the results of the three different simulation programs and presents an outlook to the necessary further developments of the programs for modelling plants for pressurized coal dust combustion. [Deutsch] Es werden die Ergebnisse der Zusammenarbeit der drei beteiligten Institute - Lehrstuhl fuer Waermeuebertragung und Klimatechnik (WUeK) der RWTH Aachen, Lehrstuhl fuer Energieanlagentechnik (LEAT) der Ruhr-Uni Bochum und Institut fuer Verfahrenstechnik und Dampfkesselwesen (IVD) der Uni Stuttgart - bei der Modellierung einer Benchmarkflamme des Druckkohlenstaubreaktors am Lehrstuhl fuer Waermeuebertragung und Klimatechnik dargestellt. Diese Bedingungen fuer diese Benchmarkflamme sind einem realen, bis dato noch nicht experimentell untersuchten Feuerungszustand nachempfunden. Der Beitrag beinhaltet den Vergleich der mit drei unterschiedlichen Simulationsprogrammen erzielten Ergebnisse und gibt einen Ausblick auf die notwendigen Weiterentwicklungen der Programme hinsichtlich der Modellierung druckkohlenstaubgefeuerter Anlagen. (orig.)

Creation and Initial Validation of the International Dysphagia Diet Standardisation Initiative Functional Diet Scale.

Science.gov (United States)

Steele, Catriona M; Namasivayam-MacDonald, Ashwini M; Guida, Brittany T; Cichero, Julie A; Duivestein, Janice; Hanson, Ben; Lam, Peter; Riquelme, Luis F

2018-05-01

To assess consensual validity, interrater reliability, and criterion validity of the International Dysphagia Diet Standardisation Initiative Functional Diet Scale, a new functional outcome scale intended to capture the severity of oropharyngeal dysphagia, as represented by the degree of diet texture restriction recommended for the patient. Participants assigned International Dysphagia Diet Standardisation Initiative Functional Diet Scale scores to 16 clinical cases. Consensual validity was measured against reference scores determined by an author reference panel. Interrater reliability was measured overall and across quartile subsets of the dataset. Criterion validity was evaluated versus Functional Oral Intake Scale (FOIS) scores assigned by survey respondents to the same case scenarios. Feedback was requested regarding ease and likelihood of use. Web-based survey. Respondents (N=170) from 29 countries. Not applicable. Consensual validity (percent agreement and Kendall τ), criterion validity (Spearman rank correlation), and interrater reliability (Kendall concordance and intraclass coefficients). The International Dysphagia Diet Standardisation Initiative Functional Diet Scale showed strong consensual validity, criterion validity, and interrater reliability. Scenarios involving liquid-only diets, transition from nonoral feeding, or trial diet advances in therapy showed the poorest consensus, indicating a need for clear instructions on how to score these situations. The International Dysphagia Diet Standardisation Initiative Functional Diet Scale showed greater sensitivity than the FOIS to specific changes in diet. Most (>70%) respondents indicated enthusiasm for implementing the International Dysphagia Diet Standardisation Initiative Functional Diet Scale. This initial validation study suggests that the International Dysphagia Diet Standardisation Initiative Functional Diet Scale has strong consensual and criterion validity and can be used reliably by clinicians

Nursing Facility Initiative Annual Report

Data.gov (United States)

U.S. Department of Health & Human Services — This annual report summarizes impacts from the Initiative to Reduce Avoidable Hospitalizations among Nursing Facility Residents in 2014. This initiative is designed...

Initial data sets for the Schwarzschild spacetime

International Nuclear Information System (INIS)

Gomez-Lobo, Alfonso Garcia-Parrado; Kroon, Juan A. Valiente

2007-01-01

A characterization of initial data sets for the Schwarzschild spacetime is provided. This characterization is obtained by performing a 3+1 decomposition of a certain invariant characterization of the Schwarzschild spacetime given in terms of concomitants of the Weyl tensor. This procedure renders a set of necessary conditions--which can be written in terms of the electric and magnetic parts of the Weyl tensor and their concomitants--for an initial data set to be a Schwarzschild initial data set. Our approach also provides a formula for a static Killing initial data set candidate--a KID candidate. Sufficient conditions for an initial data set to be a Schwarzschild initial data set are obtained by supplementing the necessary conditions with the requirement that the initial data set possesses a stationary Killing initial data set of the form given by our KID candidate. Thus, we obtain an algorithmic procedure of checking whether a given initial data set is Schwarzschildean or not

Initiative hard coal; Initiative Steinkohle

Energy Technology Data Exchange (ETDEWEB)

Leonhardt, J.

2007-08-02

In order to decrease the import dependence of hard coal in the European Union, the author has submitted suggestions to the director of conventional sources of energy (directorate general for energy and transport) of the European community, which found a positive resonance. These suggestions are summarized in an elaboration 'Initiative Hard Coal'. After clarifying the starting situation and defining the target the presupposition for a better use of hard coal deposits as raw material in the European Union are pointed out. On that basis concrete suggestions for measures are made. Apart from the conditions of the deposits it concerns thereby also new mining techniques and mining-economical developments, connected with tasks for the mining-machine industry. (orig.)

Identification of unique expression signatures and therapeutic targets in esophageal squamous cell carcinoma

Directory of Open Access Journals (Sweden)

Yan Wusheng

2012-01-01

Full Text Available Abstract Background Esophageal squamous cell carcinoma (ESCC, the predominant histological subtype of esophageal cancer, is characterized by high mortality. Previous work identified important mRNA expression differences between normal and tumor cells; however, to date there are limited ex vivo studies examining expression changes occurring during normal esophageal squamous cell differentiation versus those associated with tumorigenesis. In this study, we used a unique tissue microdissection strategy and microarrays to measure gene expression profiles associated with cell differentiation versus tumorigenesis in twelve cases of patient-matched normal basal squamous epithelial cells (NB, normal differentiated squamous epithelium (ND, and squamous cell cancer. Class comparison and pathway analysis were used to compare NB versus tumor in a search for unique therapeutic targets. Results As a first step towards this goal, gene expression profiles and pathways were evaluated. Overall, ND expression patterns were markedly different from NB and tumor; whereas, tumor and NB were more closely related. Tumor showed a general decrease in differentially expressed genes relative to NB as opposed to ND that exhibited the opposite trend. FSH and IgG networks were most highly dysregulated in normal differentiation and tumorigenesis, respectively. DNA repair pathways were generally elevated in NB and tumor relative to ND indicating involvement in both normal and pathological growth. PDGF signaling pathway and 12 individual genes unique to the tumor/NB comparison were identified as therapeutic targets, and 10 associated ESCC gene-drug pairs were identified. We further examined the protein expression level and the distribution patterns of four genes: ODC1, POSTN, ASPA and IGF2BP3. Ultimately, three genes (ODC1, POSTN, ASPA were verified to be dysregulated in the same pattern at both the mRNA and protein levels. Conclusions These data reveal insight into genes and

'Crisis' and 'everyday' initiators: A qualitative study of coercion and agency in the context of methadone maintenance treatment initiation.

Science.gov (United States)

Damon, Will; Small, Will; Anderson, Solanna; Maher, Lisa; Wood, Evan; Kerr, Thomas; McNeil, Ryan

2017-03-01

Patient attrition is common among people enrolled in methadone maintenance treatment (MMT) programs and most pronounced during the first year of treatment. However, the experiences of patients initiating MMT have been overlooked in the literature. This study explores experiences of MMT initiation among MMT patients, focusing on contextual influences on MMT initiation and perceptions of MMT and their subsequent influence on treatment retention. Semi-structured qualitative interviews were conducted with 39 MMT patients in Vancouver, Canada. Individuals reporting enrolment in MMT were recruited from within two ongoing cohort studies comprised of people who use drugs. Interview transcripts were analysed using an inductive and iterative approach. Two groups of MMT initiators were identified: (i) 'crisis initiators' prescribed methadone following critical transition events, such as incarceration or pregnancy; and (ii) 'everyday initiators' enrolled in MMT as part of routine healthcare utilisation. While most 'crisis initiators' and some 'everyday initiators' described experiencing coercion during MMT initiation, 'crisis initiators' were further subjected to the coercive leveraging of their vulnerability to motivate 'consent' for MMT. 'Crisis initiators' developed negative views towards MMT and were more likely to discontinue treatment. Long-standing patient-provider relationships and open dialogue were associated with more positive views regarding MMT, regardless of the circumstances of initiation. Findings underscore the need for clear and effective communication regarding treatment regimens and expectations during MMT initiation. Furthermore, training in trauma-informed care may help reduce perceptions of coercion and rates of early treatment termination. [Damon W, Small W, Anderson S, Maher L, Wood E, Kerr T, McNeil R. Crisis' and 'everyday' initiators: A qualitative study of coercion and agency in the context of methadone maintenance treatment initiation. Drug

Sox2 is translationally activated by eukaryotic initiation factor 4E in human glioma-initiating cells

Energy Technology Data Exchange (ETDEWEB)

Ge, Yuqing; Zhou, Fengbiao; Chen, Hong; Cui, Chunhong; Liu, Dan [Key Laboratory of Glycoconjuates Research, Ministry of Public Health and Gene Research Center, Shanghai Medical College of Fudan University, Shanghai 200032 (China); Li, Qiuping [Zhongshan Hospital of Fudan University, Shanghai 200032 (China); Yang, Zhiyuan; Wu, Guoqiang [Key Laboratory of Glycoconjuates Research, Ministry of Public Health and Gene Research Center, Shanghai Medical College of Fudan University, Shanghai 200032 (China); Sun, Shuhui [Key Laboratory of Medical Molecular Virology, Ministry of Education and Health, Shanghai Medical College of Fudan University, Shanghai 200032 (China); Gu, Jianxin [Key Laboratory of Glycoconjuates Research, Ministry of Public Health and Gene Research Center, Shanghai Medical College of Fudan University, Shanghai 200032 (China); Institutes of Biomedical Sciences of Fudan University, Shanghai 200032 (China); Wei, Yuanyan, E-mail: yywei@fudan.edu.cn [Key Laboratory of Glycoconjuates Research, Ministry of Public Health and Gene Research Center, Shanghai Medical College of Fudan University, Shanghai 200032 (China); Jiang, Jianhai, E-mail: jianhaijiang@fudan.edu.cn [Key Laboratory of Glycoconjuates Research, Ministry of Public Health and Gene Research Center, Shanghai Medical College of Fudan University, Shanghai 200032 (China)

2010-07-09

Sox2, a master transcription factor, contributes to the generation of induced pluripotent stem cells and plays significant roles in sustaining the self-renewal of neural stem cells and glioma-initiating cells. Understanding the functional differences of Sox2 between glioma-initiating cells and normal neural stem cells would contribute to therapeutic approach for treatment of brain tumors. Here, we first demonstrated that Sox2 could contribute to the self-renewal and proliferation of glioma-initiating cells. The following experiments showed that Sox2 was activated at translational level in a subset of human glioma-initiating cells compared with the normal neural stem cells. Further investigation revealed there was a positive correlation between Sox2 and eukaryotic initiation factor 4E (eIF4E) in glioma tissues. Down-regulation of eIF4E decreased Sox2 protein level without altering its mRNA level in glioma-initiating cells, indicating that Sox2 was activated by eIF4E at translational level. Furthermore, eIF4E was presumed to regulate the expression of Sox2 by its 5' untranslated region (5' UTR) sequence. Our results suggest that the eIF4E-Sox2 axis is a novel mechanism of unregulated self-renewal of glioma-initiating cells, providing a potential therapeutic target for glioma.

Sox2 is translationally activated by eukaryotic initiation factor 4E in human glioma-initiating cells

International Nuclear Information System (INIS)

Ge, Yuqing; Zhou, Fengbiao; Chen, Hong; Cui, Chunhong; Liu, Dan; Li, Qiuping; Yang, Zhiyuan; Wu, Guoqiang; Sun, Shuhui; Gu, Jianxin; Wei, Yuanyan; Jiang, Jianhai

2010-01-01

Sox2, a master transcription factor, contributes to the generation of induced pluripotent stem cells and plays significant roles in sustaining the self-renewal of neural stem cells and glioma-initiating cells. Understanding the functional differences of Sox2 between glioma-initiating cells and normal neural stem cells would contribute to therapeutic approach for treatment of brain tumors. Here, we first demonstrated that Sox2 could contribute to the self-renewal and proliferation of glioma-initiating cells. The following experiments showed that Sox2 was activated at translational level in a subset of human glioma-initiating cells compared with the normal neural stem cells. Further investigation revealed there was a positive correlation between Sox2 and eukaryotic initiation factor 4E (eIF4E) in glioma tissues. Down-regulation of eIF4E decreased Sox2 protein level without altering its mRNA level in glioma-initiating cells, indicating that Sox2 was activated by eIF4E at translational level. Furthermore, eIF4E was presumed to regulate the expression of Sox2 by its 5' untranslated region (5' UTR) sequence. Our results suggest that the eIF4E-Sox2 axis is a novel mechanism of unregulated self-renewal of glioma-initiating cells, providing a potential therapeutic target for glioma.

Electrical initiation of an energetic nanolaminate film

Science.gov (United States)

Tringe, Joseph W.; Gash, Alexander E.; Barbee, Jr., Troy W.

2010-03-30

A heating apparatus comprising an energetic nanolaminate film that produces heat when initiated, a power source that provides an electric current, and a control that initiates the energetic nanolaminate film by directing the electric current to the energetic nanolaminate film and joule heating the energetic nanolaminate film to an initiation temperature. Also a method of heating comprising providing an energetic nanolaminate film that produces heat when initiated, and initiating the energetic nanolaminate film by directing an electric current to the energetic nanolaminate film and joule heating the energetic nanolaminate film to an initiation temperature.

National Strategic Computing Initiative Strategic Plan

Science.gov (United States)

2016-07-01

23 A.6 National Nanotechnology Initiative...program, lack the memory capacity to perform current and anticipated new classes of scientific and engineering applications, and be potentially...Initiative: https://www.nitrd.gov/nitrdgroups/index.php?title=Big_Data_(BD_SSG)  National Nanotechnology Initiative: http://www.nano.gov  Precision

40 CFR 610.12 - Program initiative.

Science.gov (United States)

2010-07-01

... 40 Protection of Environment 29 2010-07-01 2010-07-01 false Program initiative. 610.12 Section 610... RETROFIT DEVICES Test Procedures and Evaluation Criteria General Provisions § 610.12 Program initiative. A... being marketed may be inadequate, (b) At the EPA Administrator's initiative, or (c) Upon the application...

Effects of a structured 20-session slow-cortical-potential-based neurofeedback program on attentional performance in children and adolescents with attention-deficit hyperactivity disorder: retrospective analysis of an open-label pilot-approach and 6-month follow-up

Directory of Open Access Journals (Sweden)

Albrecht JS

2017-03-01

Full Text Available Johanna S Albrecht,1–3 Sarah Bubenzer-Busch,1,2 Anne Gallien,1,4 Eva Lotte Knospe,1,2 Tilman J Gaber,1,2,5 Florian D Zepf1,2,6,7 1Clinic for Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, RWTH Aachen University, Aachen, 2JARA Translational Brain Medicine, Aachen & Jülich, 3Center for Pediatrics and Adolescent Medicine Elisabeth Hospital Rheydt, Mönchengladbach, 4Clinic for Neurology, Medical Center City Region Aachen, Würselen, 5NeuroCare Group, Munich, Germany; 6Centre and Discipline of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, School of Paediatrics and Child Health & School of Psychiatry and Clinical Neurosciences, Faculty of Medicine, Dentistry and Health Sciences, The University of Western Australia, 7Department of Health in Western Australia, Specialised Child and Adolescent Mental Health Services, Perth, WA, Australia Objective: The aim of this approach was to conduct a structured electroencephalography-based neurofeedback training program for children and adolescents with attention-deficit hyperactivity disorder (ADHD using slow cortical potentials with an intensive first (almost daily sessions and second phase of training (two sessions per week and to assess aspects of attentional performance. Patients and methods: A total of 24 young patients with ADHD participated in the 20-session training program. During phase I of training (2 weeks, 10 sessions, participants were trained on weekdays. During phase II, neurofeedback training occurred twice per week (5 weeks. The patients’ inattention problems were measured at three assessment time points before (pre, T0 and after (post, T1 the training and at a 6-month follow-up (T2; the assessments included neuropsychological tests (Alertness and Divided Attention subtests of the Test for Attentional Performance; Sustained Attention Dots and Shifting Attentional Set subtests of the Amsterdam Neuropsychological Test and questionnaire data

Subsidiary Initiative Taking in Multinational Corporations

DEFF Research Database (Denmark)

Dörrenbacher, Christoph; Gammelgaard, Jens

2016-01-01

This paper investigates the political maneuvering that accompanies subsidiary initiative taking in multinational corporations. On the basis of an explorative empirical investigation of subsidiary initiative taking in the French subsidiaries of six German MNCs, the paper explores the activities...... that subsidiaries undertake to sell their initiatives, and the relationships among issue selling, subsidiary power and headquarters’ hierarchical power. The findings suggest that the use of issue-selling tactics is common when subsidiaries engage in initiative taking. In addition, the paper demonstrates that a low...... degree of issue selling is needed to obtain approval of an initiative in less asymmetrical headquarters–subsidiary power relationships (i.e. relationships in which subsidiaries are relatively powerful). In cases where power relationships are highly asymmetrical, issue selling is a necessity...

24 CFR 125.201 - Administrative Enforcement Initiative.

Science.gov (United States)

2010-04-01

... Initiative. 125.201 Section 125.201 Housing and Urban Development Regulations Relating to Housing and Urban... FAIR HOUSING FAIR HOUSING INITIATIVES PROGRAM § 125.201 Administrative Enforcement Initiative. The Administrative Enforcement Initiative provides funding to State and local fair housing agencies administering...

Integrated landscape initiatives in Europe

DEFF Research Database (Denmark)

García-Martín, María; Bieling, Claudia; Hart, Abigail

2016-01-01

Landscapes are linked to human well-being in a multitude of ways, some of which are challenged by global market forces and traditional management approaches. In response to this situation there has been a rise in local initiatives to sustain the values of landscape. The aim of this paper is to pr......Landscapes are linked to human well-being in a multitude of ways, some of which are challenged by global market forces and traditional management approaches. In response to this situation there has been a rise in local initiatives to sustain the values of landscape. The aim of this paper...... searches and canvassing of European umbrella organisations; followed by an online survey of representatives from the identified initiatives (n??=??71). Our results show that the most relevant characteristics of integrated landscape initiatives in Europe are: a holistic approach to landscape management...

Initial Assessment of Whiplash Patients

Directory of Open Access Journals (Sweden)

R Gunzburg

2003-01-01

Full Text Available The article looks at how for severe trauma, the outcome of treatment depends on the initial medical care. This has now also been accepted for whiplash associated disorders, underlining the importance of a proper initial assessment. Once major injury has been excluded and the diagnosis of whiplash associated disorder has been established, the initial treatment of whiplash in the emergency room can be started. The four key points to remember are described, including reassuring the patient about evolution, no soft collar, nonsteroidal anti-inflammatory drugs and early mobilisation.

Learning from the Ilulissat Initiative

DEFF Research Database (Denmark)

Rahbek-Clemmensen, Jon; Thomasen, Gry

In May 2018, ten years will have passed since the representatives from the five Arctic coastal states (Canada, Denmark, Norway, Russia) and the Home Rule government of Greenland met in Ilulissat. Learning from the Ilulissat Initiative examines how the initiative came about, and how it has affected...... strong economic interests in maintaining peaceful Arctic relations. Northern forums therefore give policymakers a rare opportunity to meet, communicate, and influence a key region. The Ilulissat meeting was the result of a joint Danish‒Greenlandic initiative and is often hailed as one of the most...

75 FR 12433 - National Export Initiative

Science.gov (United States)

2010-03-16

... Order 13534 of March 11, 2010 National Export Initiative By the authority vested in me as President by... performance will, in turn, create good high-paying jobs. The National Export Initiative (NEI) shall be an Administration initiative to improve conditions that directly affect the private sector's ability to export. The...

Light-initiated detonation systems

Science.gov (United States)

Cooper, Stafford S.; Malone, Philip G.; Bartholomew, Stephen W.; Necker, William J.

1986-09-01

Numerous light sources could be employed in detonation systems, but lasers have the most efficient coupling to optical fibers and can generate energetic light pulses required for detonation. Flash lamp-pumped, solid state lasers are presently the most useful light source for explosive initiation. Laser diodes in current production cannot generate enough energy for practical applications. The most useful optical fiber for blast line application is a step index fiber with a large core-to-cladding ratio. The large core minimizes energy losses due to misalignment core of fibers in connectors. Couplers that involve mechanically crimped connectors and cleaved fibers, rather than the epoxy-cemented connectors with polished fibers, provide superior energy transmission due to the reduced carbonization at the fiber end. Detonators for optical initiation systems are similar in basic construction to those employed in electrical initiation systems. Explosive and pyrotechnic charges can also be similar. Either primary or secondary explosives can be initiated in present laser-based systems. Two laser detonation systems are presently accessible; a multiple-shot laser with a single-shot, single fiber system designed for use with detonators containing primary explosives. Additional research related to development of low-energy, photoreactive detonators, continuity checking techniques and improved connectors and fibers can produce significant improvements in presently fielded systems.

Initial Study

DEFF Research Database (Denmark)

Torp, Kristian

2009-01-01

increased. In the initial study presented here, the time it takes to pass an intersection is studied in details. Two major signal-controlled four-way intersections in the center of the city Aalborg are studied in details to estimate the congestion levels in these intersections, based on the time it takes...

6 CFR 13.37 - Initial Decision.

Science.gov (United States)

2010-01-01

... 6 Domestic Security 1 2010-01-01 2010-01-01 false Initial Decision. 13.37 Section 13.37 Domestic Security DEPARTMENT OF HOMELAND SECURITY, OFFICE OF THE SECRETARY PROGRAM FRAUD CIVIL REMEDIES § 13.37 Initial Decision. (a) The ALJ will issue an Initial Decision based only on the record, which will contain...

ACHP | Summary of the Preserve America Initiative

Science.gov (United States)

Initiative Preserve America: Explore and Enjoy Our Heritage (logo) Summary of the Preserve America Initiative Preserve America is a White House initiative that encourages and supports community efforts to preserve and enjoy our priceless cultural and natural heritage. The goals of the initiative include a greater shared

Supply Chain Initiatives Database

Energy Technology Data Exchange (ETDEWEB)

None

2012-11-01

The Supply Chain Initiatives Database (SCID) presents innovative approaches to engaging industrial suppliers in efforts to save energy, increase productivity and improve environmental performance. This comprehensive and freely-accessible database was developed by the Institute for Industrial Productivity (IIP). IIP acknowledges Ecofys for their valuable contributions. The database contains case studies searchable according to the types of activities buyers are undertaking to motivate suppliers, target sector, organization leading the initiative, and program or partnership linkages.

Asymmetry of Anticipatory Postural Adjustment During Gait Initiation

Directory of Open Access Journals (Sweden)

Hiraoka Koichi

2014-10-01

Full Text Available The purpose of this study was to investigate the asymmetry of anticipatory postural adjustment (APA during gait initiation and to determine whether the process of choosing the initial swing leg affects APA during gait initiation. The participants initiated gait with the leg indicated by a start tone or initiated gait with the leg spontaneously chosen. The dependent variables of APA were not significantly different among the condition of initiating gait with the preferred leg indicated by the start tone, the condition of initiating gait with the non-preferred leg indicated by the start tone, and the condition of initiating gait with the leg spontaneously chosen. These findings fail to support the view that the process of choosing the initial swing leg affects APA during gait initiation. The lateral displacement of the center of pressure in the period in which shifting the center of pressure to the initial swing phase before initiating gait with the left leg indicated by the external cue was significantly larger than that when initiating gait with the right leg indicated by the external cue, and significantly larger than that when initiating gait with the leg spontaneously chosen. Weight shift to the initial swing side during APA during gait initiation was found to be asymmetrical when choosing the leg in response to an external cue

24 CFR 125.401 - Private Enforcement Initiative.

Science.gov (United States)

2010-04-01

... 24 Housing and Urban Development 1 2010-04-01 2010-04-01 false Private Enforcement Initiative. 125... FAIR HOUSING FAIR HOUSING INITIATIVES PROGRAM § 125.401 Private Enforcement Initiative. (a) The Private Enforcement Initiative provides funding on a single-year or multi-year basis, to investigate violations and...

Systematic Review about Personal Growth Initiative

Directory of Open Access Journals (Sweden)

Clarissa Pinto Pizarro de Freitas

Full Text Available The present study aimed to realize a systematic review of publications about personal growth initiative. A literature review was realized in Bireme, Index Psi, LILACS, PePSIC, Pubmed - Publisher's Medlme, Wiley Online Library, PsycINFO, OneFile, SciVerse ScienceDirect, ERIC, Emerald Journals, PsycARTICLES - American Psychological Association, Directory of Open Access Journals - DOAJ, SAGE Journals, SpringerLink, PLoS, IngentaConnect, IEEE Journals & Magazines and SciELO databases. The literature review was performed from December of 2014 to January of 2015, without stipulating date limits for the publication of the articles. It was found 53 studies, excluded seven, and analyzed 46 researches. The studies aimed to investigate the psychometric properties of personal growth initiative scale and personal growth initiative scale II. The relations of personal initiative growth and others constructs were also evaluated. Furthermore the studies investigated the impact of interventions to promote personal growth initiative. Results of these studies showed that personal growth initiative was positively related to levels of well-being, selfesteem and others positive dimensions, and negatively to anxiety, depression and others negative factors.

People and things. CERN Courier, Apr 1990, v. 30(3)

Energy Technology Data Exchange (ETDEWEB)

Anon.

1990-04-15

The article reports on achievements of various people, staff changes and position opportunities within the CERN organization and contains news updates on upcoming or past events: ; In a January 31 test at the Continuous Electron Beam Accelerator Facility (CEBAF) under construction at Newport News, Virginia, a beam from the injector's 500 keV room temperature section was accelerated to 2.5 MeV in one cavity of the quarter-cryomodule containing the injector's initial superconducting accelerating cavity pair. ; To explore in detail and update the physics possibilities for the Large Hadron Collider (LHC) project at CERN, the European Committee for Future Accelerators (ECFA) is now preparing for an LHC Workshop to be held in Aachen from 5-10 October. ; The 1990 CERN School of Computing, organized in collaboration with the Inter-University Institute for High Energies, VUB-ULB, Brussels, will take place from 2-15 September at Nieuwpoort, Belgium. ; To reinforce the increased spirit of cooperation resulting from CERN's growing attraction for scientists from all over Europe and from further afield, the Laboratory embarked last year on a programme of drawing up bilateral agreements to put ongoing collaboration on a firmer footing.

Models and criteria for prediction of Deflagration-to-Detonation Transition (DDT) in hydrogen-air-steam systems under severe accident conditions. Final report

International Nuclear Information System (INIS)

Klein, R.; Rehm, W.

1999-01-01

The European Commission in Brussels supported a joint project on Deflagration-to-Detonation Transition (DDT) studies for hydrogen safety within the framework programme on nuclear fission safety. The project was initiated by the Forschungszentrum Juelich based on the results of a pilot project. The following main project was coordinated by the Freie Universitaet Berlin involving seven european partners. The partners came from universities, research centers and industry, as follows: FU-Berlin, RWTH-Aachen, CNRS-Marseille, IPSN-Saclay, FZ-Juelich, FZ-Karlsruhe, and NNC-Knutsford, which worked closely together. The working period was two years (1997-1998). The aim of the project was to develop models and criteria for prediction of deflagration-to-detonation transition (DDT) in hydrogen-air-steam systems under severe accident conditions. The results obtained are documented in this final report, which was finished in 1999. The report consists of seven chapters, concerning: - Introduction - Experimental Investigations - Modelling and Numerics - Validation - Mitigation - Further Deliverables - Summary and Conclusion. The final report presents special experimental, theoretical, and computational aspects of the complex DDT phenomena for hydrogen safety studies, and it should be a solid basis for end user applications and further developments. (orig.)

People and things. CERN Courier, Apr 1990, v. 30(3)

International Nuclear Information System (INIS)

Anon.

1990-01-01

The article reports on achievements of various people, staff changes and position opportunities within the CERN organization and contains news updates on upcoming or past events: ; In a January 31 test at the Continuous Electron Beam Accelerator Facility (CEBAF) under construction at Newport News, Virginia, a beam from the injector's 500 keV room temperature section was accelerated to 2.5 MeV in one cavity of the quarter-cryomodule containing the injector's initial superconducting accelerating cavity pair. ; To explore in detail and update the physics possibilities for the Large Hadron Collider (LHC) project at CERN, the European Committee for Future Accelerators (ECFA) is now preparing for an LHC Workshop to be held in Aachen from 5-10 October. ; The 1990 CERN School of Computing, organized in collaboration with the Inter-University Institute for High Energies, VUB-ULB, Brussels, will take place from 2-15 September at Nieuwpoort, Belgium. ; To reinforce the increased spirit of cooperation resulting from CERN's growing attraction for scientists from all over Europe and from further afield, the Laboratory embarked last year on a programme of drawing up bilateral agreements to put ongoing collaboration on a firmer footing

Behavioral Initiatives in Broad Perspective.

Science.gov (United States)

California Univ., Los Angeles. Center for Mental Health in Schools.

This booklet is a technical assistance sampler addressing the issues of student misbehavior, discipline problems, and behavioral initiatives. The term behavioral initiative is defined, disciplining children with disabilities is discussed, and a cautionary note concerning ignoring students' reasons for misbehavior is presented. A brief entitled…

Northern Eurasia Future Initiative (NEFI)

DEFF Research Database (Denmark)

Groisman, Pavel; Shugart, Herman; Kicklighter, David

2017-01-01

. The Northern Eurasia Future Initiative (NEFI) has been designed as an essential continuation of the Northern Eurasia Earth Science Partnership Initiative (NEESPI), which was launched in 2004. NEESPI sought to elucidate all aspects of ongoing environmental change, to inform societies and, thus, to better...

International EUREKA: Initialization Segment

International Nuclear Information System (INIS)

1982-02-01

The Initialization Segment creates the starting description of the uranium market. The starting description includes the international boundaries of trade, the geologic provinces, resources, reserves, production, uranium demand forecasts, and existing market transactions. The Initialization Segment is designed to accept information of various degrees of detail, depending on what is known about each region. It must transform this information into a specific data structure required by the Market Segment of the model, filling in gaps in the information through a predetermined sequence of defaults and built in assumptions. A principal function of the Initialization Segment is to create diagnostic messages indicating any inconsistencies in data and explaining which assumptions were used to organize the data base. This permits the user to manipulate the data base until such time the user is satisfied that all the assumptions used are reasonable and that any inconsistencies are resolved in a satisfactory manner

Initiating events frequency determination

International Nuclear Information System (INIS)

Simic, Z.; Mikulicic, V.; Vukovic, I.

2004-01-01

The paper describes work performed for the Nuclear Power Station (NPS). Work is related to the periodic initiating events frequency update for the Probabilistic Safety Assessment (PSA). Data for all relevant NPS initiating events (IE) were reviewed. The main focus was on events occurring during most recent operating history (i.e., last four years). The final IE frequencies were estimated by incorporating both NPS experience and nuclear industry experience. Each event was categorized according to NPS individual plant examination (IPE) initiating events grouping approach. For the majority of the IE groups, few, or no events have occurred at the NPS. For those IE groups with few or no NPS events, the final estimate was made by means of a Bayesian update with general nuclear industry values. Exceptions are rare loss-of-coolant-accidents (LOCA) events, where evaluation of engineering aspects is used in order to determine frequency.(author)

Next generation initiation techniques

Science.gov (United States)

Warner, Tom; Derber, John; Zupanski, Milija; Cohn, Steve; Verlinde, Hans

1993-01-01

Four-dimensional data assimilation strategies can generally be classified as either current or next generation, depending upon whether they are used operationally or not. Current-generation data-assimilation techniques are those that are presently used routinely in operational-forecasting or research applications. They can be classified into the following categories: intermittent assimilation, Newtonian relaxation, and physical initialization. It should be noted that these techniques are the subject of continued research, and their improvement will parallel the development of next generation techniques described by the other speakers. Next generation assimilation techniques are those that are under development but are not yet used operationally. Most of these procedures are derived from control theory or variational methods and primarily represent continuous assimilation approaches, in which the data and model dynamics are 'fitted' to each other in an optimal way. Another 'next generation' category is the initialization of convective-scale models. Intermittent assimilation systems use an objective analysis to combine all observations within a time window that is centered on the analysis time. Continuous first-generation assimilation systems are usually based on the Newtonian-relaxation or 'nudging' techniques. Physical initialization procedures generally involve the use of standard or nonstandard data to force some physical process in the model during an assimilation period. Under the topic of next-generation assimilation techniques, variational approaches are currently being actively developed. Variational approaches seek to minimize a cost or penalty function which measures a model's fit to observations, background fields and other imposed constraints. Alternatively, the Kalman filter technique, which is also under investigation as a data assimilation procedure for numerical weather prediction, can yield acceptable initial conditions for mesoscale models. The

Cigarette advertising and teen smoking initiation.

Science.gov (United States)

Hanewinkel, Reiner; Isensee, Barbara; Sargent, James D; Morgenstern, Matthis

2011-02-01

To test the specificity of the association between cigarette advertising and adolescent smoking initiation. A longitudinal survey of 2102 adolescents, aged 10 to 17 years at baseline, who never smoked was conducted by using masked images of 6 cigarette advertisements and 8 other commercial products with all brand information digitally removed. The exposure variable was a combination of contact frequency and cued recall of brands for cigarette and other advertisements. Multilevel mixed-effects Poisson regressions were used to assess smoking initiation 9 months after the baseline assessment as a function of cigarette-advertisement exposure, other advertisement exposure, and baseline covariates. Thirteen percent (n = 277) of students initiated smoking during the observation period. Although the incidence of trying smoking was associated with increased exposure to cigarette advertisements (10% in the low, 12% in the medium, and 19% in the high cigarette-advertisement exposure tertile initiated smoking), exposure to other advertisements did not predict smoking initiation. Compared with low exposure to cigarette advertisements, high exposure remained a significant predictor of adolescent smoking initiation after controlling for baseline covariates (adjusted relative risk: 1.46 [95% confidence interval: 1.08-1.97]; P content-related effect of cigarette advertisements and underlines the specificity of the relationship between tobacco marketing and teen smoking; exposure to cigarette advertisements, but not other advertisements, is associated with smoking initiation.

On Surface-Initiated Atom Transfer Radical Polymerization Using Diazonium Chemistry To Introduce the Initiator Layer

DEFF Research Database (Denmark)

Iruthayaraj, Joseph; Chernyy, Sergey; Lillethorup, Mie

2011-01-01

This work features the controllability of surface-initiated atom transfer radical polymerization (SI-ATRP) of methyl methacrylate, initiated by a multilayered 2-bromoisobutyryl moiety formed via diazonium chemistry. The thickness as a function of polymerization time has been studied by varying di...

Global Methane Initiative

Science.gov (United States)

The Global Methane Initiative promotes cost-effective, near-term methane recovery through partnerships between developed and developing countries, with participation from the private sector, development banks, and nongovernmental organizations.

The metabolomics standards initiative (MSI)

NARCIS (Netherlands)

Fiehn, O.; Robertson, D.; Griffin, J.; Werf, M. van der; Nikolau, B.; Morrison, N.; Sumner, L.W.; Goodacre, R.; Hardy, N.W.; Taylor, C.; Fostel, J.; Kristal, B.; Kaddurah-Daouk, R.; Mendes, P.; Ommen, B. van; Lindon, J.C.; Sansone, S.-A.

2007-01-01

In 2005, the Metabolomics Standards Initiative has been formed. An outline and general introduction is provided to inform about the history, structure, working plan and intentions of this initiative. Comments on any of the suggested minimal reporting standards are welcome to be sent to the open

Nuclear materials facility safety initiative

International Nuclear Information System (INIS)

Peddicord, K.L.; Nelson, P.; Roundhill, M.; Jardine, L.J.; Lazarev, L.; Moshkov, M.; Khromov, V.V.; Kruchkov, E.; Bolyatko, V.; Kazanskij, Yu.; Vorobeva, I.; Lash, T.R.; Newton, D.; Harris, B.

2000-01-01

Safety in any facility in the nuclear fuel cycle is a fundamental goal. However, it is recognized that, for example, should an accident occur in either the U.S. or Russia, the results could seriously delay joint activities to store and disposition weapons fissile materials in both countries. To address this, plans are underway jointly to develop a nuclear materials facility safety initiative. The focus of the initiative would be to share expertise which would lead in improvements in safety and safe practices in the nuclear fuel cycle.The program has two components. The first is a lab-to-lab initiative. The second involves university-to-university collaboration.The lab-to-lab and university-to-university programs will contribute to increased safety in facilities dealing with nuclear materials and related processes. These programs will support important bilateral initiatives, develop the next generation of scientists and engineers which will deal with these challenges, and foster the development of a safety culture

A Survey of Utopia—Creating Filmic Travelogues in Architectural Design Studio Education †

OpenAIRE

Johannes Müntinga; Gerlinde Verhaeghe

2018-01-01

This paper investigates the potential of the creation of filmic travelogues in architectural design studio education. It looks at student works from a studio conducted at RWTH Aachen University in the summer term of 2017 and explores how the works construct meaning from and reflect on architectural reference in an active creative process. The assignment of the studio was to create a travelogue of a 4-day excursion to Belgium and the South of England in the form of a short film. Inspired by Pa...

The Dynamics of Initiative in Communication Networks.

Directory of Open Access Journals (Sweden)

Anders Mollgaard

Full Text Available Human social interaction is often intermittent. Two acquainted persons can have extended periods without social interaction punctuated by periods of repeated interaction. In this case, the repeated interaction can be characterized by a seed initiative by either of the persons and a number of follow-up interactions. The tendency to initiate social interaction plays an important role in the formation of social networks and is in general not symmetric between persons. In this paper, we study the dynamics of initiative by analysing and modeling a detailed call and text message network sampled from a group of 700 individuals. We show that in an average relationship between two individuals, one part is almost twice as likely to initiate communication compared to the other part. The asymmetry has social consequences and ultimately might lead to the discontinuation of a relationship. We explain the observed asymmetry by a positive feedback mechanism where individuals already taking initiative are more likely to take initiative in the future. In general, people with many initiatives receive attention from a broader spectrum of friends than people with few initiatives. Lastly, we compare the likelihood of taking initiative with the basic personality traits of the five factor model.

Fayette County Better Buildings Initiative

Energy Technology Data Exchange (ETDEWEB)

Capella, Arthur [County of Fayette, Uniontown, PA (United States)

2015-03-04

The Fayette County Better Buildings Initiative represented a comprehensive and collaborative approach to promoting and implementing energy efficiency improvements. The initiative was designed to focus on implementing energy efficiency improvements in residential units, while simultaneously supporting general marketing of the benefits of implementing energy efficiency measures. The ultimate goal of Fayette County’s Better Buildings Initiative was to implement a total of 1,067 residential energy efficiency retrofits with a minimum 15% estimated energy efficiency savings per unit. Program partners included: United States Department of Energy, Allegheny Power, and Private Industry Council of Westmoreland-Fayette, Fayette County Redevelopment Authority, and various local partners. The program was open to any Fayette County residents who own their home and meet the prequalifying conditions. The level of assistance offered depended upon household income and commitment to undergo a BPI – Certified Audit and implement energy efficiency measures, which aimed to result in at least a 15% reduction in energy usage. The initiative was designed to focus on implementing energy efficiency improvements in residential units, while simultaneously supporting general marketing of the benefits of implementing energy efficiency measures. Additionally, the program had components that involved recruitment and training for employment of persons in the energy sector (green jobs), as well as marketing and implementation of a commercial or community facilities component. The residential component of Fayette County’s Better Buildings Initiative involved a comprehensive approach, providing assistance to low- moderate- and market-rate homeowners. The initiative will also coordinate activities with local utility providers to further incentivize energy efficiency improvements among qualifying homeowners. The commercial component of Fayette County’s Better Building Initiative involved grants

RAS Initiative - Events

Science.gov (United States)

The NCI RAS Initiative has organized multiple events with outside experts to discuss how the latest scientific and technological breakthroughs can be applied to discover vulnerabilities in RAS-driven cancers.

E-Business Initiatives in Indonesian Manufacturing SMEs

Directory of Open Access Journals (Sweden)

Singgih Saptadi

2014-01-01

Full Text Available The role of information technology (IT in improving companies’ competitiveness, including small and medium enterprises (SMEs, has been widely accepted. But, the IT investment will be in vain, if SMEs do not align their business and IT. There is a need to develop a framework of business-IT alignment. The framework development requires an understanding of the patterns of IT implementation in supporting SMEs’ business (e-business initiatives. This paper presents an empirical study on e-business initiatives in Indonesian manufacturing SMEs. The study uses 41 business processes that are grouped into three business focuses: supplier side, internal side and customer side. Based on the complexity of IT support to business processes, supplier side score, internal side score, customer side score and global score can be calculated. These scores are used to develop e-business initiative groups by using cluster analysis. After validated using discriminant analysis, the cluster analysis gives five e-business initiatives. First initiative is e-business implementation in three sides of business focuses, although in the early stage. Second initiative is IT implementation with internal side focus. Third initiative is e-business with customer side focus. The fourth is initiative that focuses on internal and customer side. The last is e-business initiative that balances and extends IT implementation on the three sides of business focuses. Then, this paper explains the differences between e-business initiatives.

Local initiative extrapolated to nation

DEFF Research Database (Denmark)

Wittchen, Kim Bjarne; Kragh, Jesper; Brøgger, Morten

In the municipality of Sønderborg, in the southern part of Jutland, there is a shining example initiated in 2007, ProjectZero, of a local initiative that have resulted in extensive energy savings in residential buildings and at the same time created local workplaces. The intension with the pilot...

Comprehensive School Safety Initiative Report

Science.gov (United States)

National Institute of Justice, 2014

2014-01-01

The National Institute of Justice (NIJ) developed the Comprehensive School Safety Initiative in consultation with federal partners and Congress. It is a research-focused initiative designed to increase the safety of schools nationwide through the development of knowledge regarding the most effective and sustainable school safety interventions and…

The RAS Initiative

Science.gov (United States)

NCI established the RAS Initiative to explore innovative approaches for attacking the proteins encoded by mutant forms of RAS genes and to ultimately create effective, new therapies for RAS-related cancers.

Canada's family violence initiative: partnerships

Directory of Open Access Journals (Sweden)

Elaine Scott

1994-01-01

Full Text Available Under Canada's four-year, $136 million Family Violence Initiative, the federal government is calling upon all Canadians to work in partnerships towards the elimination of family violence - child abuse, violence against women, and elder (senior abuse. Family violence is a complex problem and requires the efforts of all Canadians to resolve it. One of the key themes of the Initiative - a multidisciplinary approach to the problem of family violence - is reflected in the selection and development of projects. Activities funded by the seven federal departments and agencies involved in the Initiative emphasize partnerships with the professional, voluntary, corporate, non-government and government sectors.

Higher-dimensional puncture initial data

International Nuclear Information System (INIS)

Zilhao, Miguel; Ansorg, Marcus; Cardoso, Vitor; Gualtieri, Leonardo; Herdeiro, Carlos; Sperhake, Ulrich; Witek, Helvi

2011-01-01

We calculate puncture initial data, corresponding to single and binary black holes with linear momenta, which solve the constraint equations of D-dimensional vacuum gravity. The data are generated by a modification of the pseudospectral code presented in [M. Ansorg, B. Bruegmann, and W. Tichy, Phys. Rev. D 70, 064011 (2004).] and made available as the TwoPunctures thorn inside the Cactus computational toolkit. As examples, we exhibit convergence plots, the violation of the Hamiltonian constraint as well as the initial data for D=4,5,6,7. These initial data are the starting point to perform high-energy collisions of black holes in D dimensions.

Career Technical Education Pathways Initiative

Science.gov (United States)

California Community Colleges, Chancellor's Office, 2013

2013-01-01

California's education system--the largest in the United States--is an essential resource for ensuring strong economic growth in the state. The Career Technical Education Pathways Initiative (referred to as the Initiative in this report), which became law in 2005, brings together community colleges, K-12 school districts, employers, organized…

Research Programs & Initiatives

Science.gov (United States)

CGH develops international initiatives and collaborates with other NCI divisions, NCI-designated Cancer Centers, and other countries to support cancer control planning, encourage capacity building, and support cancer research and research networks.

PESP Landscaping Initiative

Science.gov (United States)

Landscaping practices can positively or negatively affect local environments and human health. The Landscaping Initiative seeks to enhance benefits of landscaping while reducing need for pesticides, fertilizers, etc., by working with partners.

MAGI: many-component galaxy initializer

Science.gov (United States)

Miki, Yohei; Umemura, Masayuki

2018-04-01

Providing initial conditions is an essential procedure for numerical simulations of galaxies. The initial conditions for idealized individual galaxies in N-body simulations should resemble observed galaxies and be dynamically stable for time-scales much longer than their characteristic dynamical times. However, generating a galaxy model ab initio as a system in dynamical equilibrium is a difficult task, since a galaxy contains several components, including a bulge, disc, and halo. Moreover, it is desirable that the initial-condition generator be fast and easy to use. We have now developed an initial-condition generator for galactic N-body simulations that satisfies these requirements. The developed generator adopts a distribution-function-based method, and it supports various kinds of density models, including custom-tabulated inputs and the presence of more than one disc. We tested the dynamical stability of systems generated by our code, representing early- and late-type galaxies, with N = 2097 152 and 8388 608 particles, respectively, and we found that the model galaxies maintain their initial distributions for at least 1 Gyr. The execution times required to generate the two models were 8.5 and 221.7 seconds, respectively, which is negligible compared to typical execution times for N-body simulations. The code is provided as open-source software and is publicly and freely available at https://bitbucket.org/ymiki/magi.

Initial conditions and entanglement sudden death

International Nuclear Information System (INIS)

Qian, Xiao-Feng; Eberly, J.H.

2012-01-01

We report results bearing on the behavior of non-local decoherence and its potential for being managed or even controlled. The decoherence process known as entanglement sudden death (ESD) can drive prepared entanglement to zero at the same time that local coherences and fidelity remain non-zero. For a generic ESD-susceptible Bell superposition state, we provide rules restricting the occurrence and timing of ESD, amounting to management tools over a continuous variation of initial conditions. These depend on only three parameters: initial purity, entanglement and excitation. Knowledge or control of initial phases is not needed. -- Highlights: ► We study the possibility of managing disentanglement through initial conditions. ► The initial parameters are the amount of entanglement, excitation, and purity. ► Entanglement sudden death (ESD) free and ESD susceptible phases are identified. ► ESD onset time is also presented in the ESD susceptible phase. ► Our results may guide experiments to prepare ESD free or delayed ESD states.

Targeted Radiation Therapy for Cancer Initiative

Science.gov (United States)

2017-11-01

AWARD NUMBER: W81XWH-08-2-0174 TITLE: Targeted Radiation Therapy for Cancer Initiative PRINCIPAL INVESTIGATOR: Dusten Macdonald, MD...for Cancer Initiative 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) Dusten Macdonald, MD 5d. PROJECT NUMBER...Cancer Initiative Final Report INTRODUCTION: The full potential of radiation therapy has not been realized due to the inability to locate and

Antidopaminergic medication in healthy subjects provokes subjective and objective mental impairments tightly correlated with perturbation of biogenic monoamine metabolism and prolactin secretion

Directory of Open Access Journals (Sweden)

Veselinović T

2018-04-01

Full Text Available Tanja Veselinović,1,2 Ingo Vernaleken,1,2 Paul Cumming,3,4 Uwe Henning,5 Lina Winkler,1,2 Peter Kaleta,1,2 Michael Paulzen,1,2 Christian Luckhaus,6 Gerhard Gründer1,2,7 1Department of Psychiatry, Psychotherapy, and Psychosomatics, Faculty of Medicine, RWTH Aachen University, Aachen, 2Translational Brain Medicine, Jülich Aachen Research Alliance (JARA, Jülich, Germany; 3IHBI, School of Psychology and Counselling, Queensland University of Technology, 4QIMR Berghofer Institute, Brisbane, Australia; 5Neurobiochemical Research Unit, Department of Psychiatry, Heinrich Heine University, Düsseldorf, 6LWL University Hospital Bochum, Department of Psychiatry, Division of Cognitive Neuropsychiatry and Psychiatric Preventive Medicine, Ruhr University Bochum, Bochum, 7Department of Molecular Neuroimaging, Central Institute of Mental Health, Mannheim, Germany Objectives: Off-label prescription of antipsychotics to patients without psychotic symptoms has become a routine matter for many psychiatrists and also some general practitioners. Nonetheless, little is known about the possibly detrimental effects of antidopaminergic medications on general psychopathology, subjective mental state, or a possible association with physiological parameters in nonpsychotic individuals.Methods: In this randomized, single-blinded study, groups of healthy volunteers (n=18 received low doses of reserpine, aripiprazole, haloperidol, or placebo on 7 successive days. Relevant physiological parameters (plasma prolactin, concentrations of catecholamine metabolites in plasma, and 24-hour urine and each subject’s mental state (Positive and Negative Syndrome Scale, Hamilton Rating Scale for Depression, visual analogue scale, Beck Depression Inventory II were assessed at the start and end of the trial.Results: Of the three active treatments, only reserpine caused a significant increase in some plasma- and urine-catecholamine metabolites, but all three medications evoked objective

Pacific Northwest Laboratory's Solid Waste Initiative

International Nuclear Information System (INIS)

Holter, G.M.

1993-09-01

In fiscal year 1992 (FY-92), a Solid Waste Initiative was undertaken within the Pacific Northwest Laboratory (PNL). This action was partly in response to a perceived increase in the frequency and severity of impacts associated with solid waste issues at all levels. It also recognized the limited attention of previous efforts in addressing the broader impacts resulting from solid waste and, thus, dealing with solid waste issues in a holistic fashion. This paper provides a description of the Solid Waste Initiative at PNL, including a historical perspective on PNL's involvement in solid waste issues, the goals and objectives of the Solid Waste Initiative, and a discussion of selected activities being conducted under the Initiative

Women's Health Initiative (WHI) Background and Overview

Science.gov (United States)

... Back To The Science / Women’s Health Initiative (WHI) Women’s Health Initiative (WHI) Project began 1991 Point of ... What is the goal of the WHI? The Women's Health Initiative (WHI), sponsored by the National Heart, ...

Vacuum type D initial data

Science.gov (United States)

García-Parrado Gómez-Lobo, Alfonso

2016-09-01

A vacuum type D initial data set is a vacuum initial data set of the Einstein field equations whose data development contains a region where the space–time is of Petrov type D. In this paper we give a systematic characterisation of a vacuum type D initial data set. By systematic we mean that the only quantities involved are those appearing in the vacuum constraints, namely the first fundamental form (Riemannian metric) and the second fundamental form. Our characterisation is a set of conditions consisting of the vacuum constraints and some additional differential equations for the first and second fundamental forms These conditions can be regarded as a system of partial differential equations on a Riemannian manifold and the solutions of the system contain all possible regular vacuum type D initial data sets. As an application we particularise our conditions for the case of vacuum data whose data development is a subset of the Kerr solution. This has applications in the formulation of the nonlinear stability problem of the Kerr black hole.

Asymmetry of Anticipatory Postural Adjustment During Gait Initiation

OpenAIRE

Hiraoka, Koichi; Hatanaka, Ryota; Nikaido, Yasutaka; Jono, Yasutomo; Nomura, Yoshifumi; Tani, Keisuke; Chujo, Yuta

2014-01-01

The purpose of this study was to investigate the asymmetry of anticipatory postural adjustment (APA) during gait initiation and to determine whether the process of choosing the initial swing leg affects APA during gait initiation. The participants initiated gait with the leg indicated by a start tone or initiated gait with the leg spontaneously chosen. The dependent variables of APA were not significantly different among the condition of initiating gait with the preferred leg indicated by the...

Steps towards equal gender representation: TANDEMplusIDEA - an international mentoring and personal development scheme for female scientists

Science.gov (United States)

Schaefli, Bettina; Breuer, Elke

2010-05-01

TANDEMplusIDEA was a European mentoring programme conducted by the technical universities RWTH Aachen, Imperial College London, ETH Zurich and TU Delft between 2007 and 2010 to achieve more gender equality in science. Given the continuing underrepresentation of women in science and technology and the well-known structural and systematic disadvantages in male-dominated scientific cultures, the main goal of this programme was to promote excellent female scientists through a high-level professional and personal development programme. Based on the mentoring concept of the RWTH Aachen, TANDEMplusIDEA was the first mentoring programme for female scientists realized in international cooperation. As a pilot scheme funded by the 6th Framework Programme of the European Commission, the scientific evaluation was an essential part of the programme, in particular in view of the development of a best practice model for international mentoring. The participants of this programme were female scientists at an early stage of their academic career (postdoc or assistant professor) covering a wide range of science disciplines, including geosciences. This transdisciplinarity as well as the international dimension of the programme have been identified by the participants as one of the keys of success of the programme. In particular, the peer-mentoring across discipline boarders proved to have been an invaluable component of the development programme. This presentation will highlight some of the main findings of the scientific evaluation of the programme and focus on some additional personal insights from the participants.

Initial conditions for chaotic inflation

International Nuclear Information System (INIS)

Brandenberger, R.; Kung, J.; Feldman, H.

1991-01-01

In contrast to many other inflationary Universe models, chaotic inflation does not depend on fine tuning initial conditions. Within the context of linear perturbation theory, it is shown that chaotic inflation is stable towards both metric and matter perturbations. Neglecting gravitational perturbations, it is shown that chaotic inflation is an attractor in initial condition space. (orig.)

75 FR 11837 - Chesapeake Bay Watershed Initiative

Science.gov (United States)

2010-03-12

... DEPARTMENT OF AGRICULTURE Commodity Credit Corporation Chesapeake Bay Watershed Initiative AGENCY...: Notice of availability of program funds for the Chesapeake Bay Watershed Initiative. SUMMARY: The... through the Chesapeake Bay Watershed Initiative for agricultural producers in the Chesapeake Bay watershed...

Radiofrequency initiation and radiofrequency sustainment of laser initiated seeded high pressure plasma

International Nuclear Information System (INIS)

Paller, Eric S.; Scharer, John E.; Akhtar, Kamran; Kelly, Kurt; Ding, Guowen

2001-01-01

We examine radiofrequency initiation of high pressure(1-70 Torr) inductive plasma discharges in argon, nitrogen, air and organic seed gas mixtures. Millimeter wave interferometry, optical emission and antenna wave impedance measurements for double half-turn helix and helical inductive antennas are used to interpret the rf/plasma coupling, measure the densities in the range of 10 12 cm -3 and analyze the ionization and excited states of the gas mixtures. We have also carried out 193 nm excimer laser initiation of an organic gas seed plasma which is sustained at higher pressures(150 Torr) by radiofrequency coupling at 2.8 kW power levels

75 FR 18472 - Cooperative Conservation Partnership Initiative

Science.gov (United States)

2010-04-12

... Initiative AGENCY: Commodity Credit Corporation and Natural Resources Conservation Service, Department of... Energy Act of 2008 (2008 Act) establishes the Cooperative Conservation Partnership Initiative (CCPI) by... of Agriculture (USDA). The CCPI is a voluntary conservation initiative that enables the use of...

Organic Marketing Initiatives and Rural Development

OpenAIRE

Schmid, Otto; Sanders, Jürn; Midmore, Peter

2004-01-01

Over recent decades, organic farmers have come together to form collective marketing initiatives. To begin with, such schemes were often essential as the only means of finding markets for organic products, but farmers today participate in them to pool ideas, capital and skills, and to collectively increase added value of products and market power in the supply chain. However, Organic Marketing Initiatives (OMIs) are not only initiated and managed by farmers but also by consumers, processors o...

Multifamily Hubs' Initial Endorsements FY12

Data.gov (United States)

Department of Housing and Urban Development — Describes the program, geographic & lender distribution of multifamily loans initially endorsed for FHA insurance or risk sharing in FY 12. A loan is initially...

Overview of Organic Marketing Initiatives in Europe

DEFF Research Database (Denmark)

Nielsen, Thorkild; Kristensen, Niels Heine; Hansen, Mette Weinreich

2004-01-01

Nielsen T, Kristensen NH, Hansen MW (2004): Overview of Organic Marketing Initiatives in Europe. Chapter in: Organic Marketing Initiatives and Rural Development. Volume 7, from the OMIaRD project. University of Wales, Aberystwyth, UK. ISBN: 0-9543279-7-1......Nielsen T, Kristensen NH, Hansen MW (2004): Overview of Organic Marketing Initiatives in Europe. Chapter in: Organic Marketing Initiatives and Rural Development. Volume 7, from the OMIaRD project. University of Wales, Aberystwyth, UK. ISBN: 0-9543279-7-1...

Industrial initiatives in the wind industry

International Nuclear Information System (INIS)

Edworthy, J.

1992-01-01

Industrial initiatives are methods of lobbying and marketing to increase the activity, revenues, profits, and commercial viability of an industry. They may be undertaken by industry individuals or firms, industry groups, government agencies, or combinations of all these. In Canada, one example of an industrial initiative is the Canadian Wind Energy Association. Other initiatives relevant to the wind power industry include Technology Inflow Programs sponsored by External Affairs Canada, used for visiting foreign firms with the view to licensing foreign technology, and Industrial Research Assistance Programs to develop or adapt new technologies in partnership with government. The Conservation/Renewable Energy Council, Small Power Producers of Alberta, and Independent Power Producers Society of Ontario are also active in supporting wind energy initiatives. In other countries, notable initiatives for wind energy include the Danish wind turbine warranty guarantee program. The Western Wind Industry Network of Canada conducts regional lobbying. It is suggested that in Canada, more such networks are needed, as well as joint ventures with utilities and governments, and more work with the regulatory agencies, to promote wind energy

Initiation precursors and initiators in laser-induced copolymerization of styrene and maleic anhydride in acetone

Science.gov (United States)

Miner, Gilda A.; Meador, Willard E.; Chang, C. Ken

1990-01-01

The initiation step of photopolymerized styrene/maleic anhydride copolymer was investigated at 365 nm. UV absorption measurements provide decisive evidence that the styrene/maleic anhydride charge transfer complex is the sole absorbing species; however, key laser experiments suggest intermediate reactions lead to a monoradical initiating species. A mechanism for the photoinitiation step of the copolymer is proposed.

Self-initiated expatriates

DEFF Research Database (Denmark)

Selmer, Jan; Lauring, Jakob

2014-01-01

Purpose – As it has been suggested that adult third-culture kids may be more culturally adaptable than others, they have been labelled “the ideal” expatriates. In this article, we explore the adjustment of self-initiated expatriate academics in Hong Kong, comparing adult third-culture kids...... with adult mono-culture kids. Design/methodology/approach – We use survey results from 267 self-initiated expatriate academics in Hong Kong. Findings – Exploratory results show that adult third-culture kids had a higher extent of general adjustment. No significant results were found in relation...... to interaction adjustment and job adjustment. We also found that recent expatriate experiences generally had a positive association with the adjustment of adult mono-culture kids, but this association only existed in terms of general adjustment for adult third-culture kids. Originality/value – Once corroborated...

Price adjustment clauses with seal of quality. Regal verification; Preisanpassungsklauseln mit 'Guetesiegel'. Rechtliche Ueberpruefung

Energy Technology Data Exchange (ETDEWEB)

Donner, Oliver; Ottersbach, Joerg [BET Buero fuer Energiewirtschaft und Technische Planung GmbH, Aachen (Germany); Thomale, Hans-Christoph [FPS Rechtsanwaelte und Notare, Frankfurt am Main (Germany)

2013-03-11

Actually, district heating suppliers see themselves to be exposed to the general suspicion of the claim of increased prices from their customers. Partly, the existing price adjustment clauses really do not correspond to the legal requirements. This often was complaint by the customers, and resulted in legal disputes. Under this aspect, the BET bureau for energy industry and technical planning GmbH (Aachen, Federal Republic of Germany) and FPS Attorney/Notaries (Berlin, Federal Republic of Germany) analyse and develop price models with price adjustment clauses in order to meet the resulting, often considerable risks.

Physics possibilities at LHC/SSC

International Nuclear Information System (INIS)

Hinchliffe, I.

1991-01-01

This document reviews some recent work on physics simulations for SSC/LHC. Included are reviews of some of the recent developments in physics simulations for the SSC/LHC and comments upon the requirements that are placed upon detectors by the need to extract specific physics signatures. The material in the various EOI/LOI documents submitted to the SCC Laboratory and the work done at the Aachen LHC workshop are discussed. In the following discussion 1 SSC (LHC) year corresponds to an integrated luminosity of 10 (100) fb -1 . 41 refs., 14 figs

The drift velocity monitoring system of the CMS barrel muon chambers

CERN Document Server

Altenhoefer, Georg Friedrich; Heidemann, Carsten Andreas; Reithler, Hans; Sonnenschein, Lars; Teyssier, Daniel Francois

2017-01-01

The drift velocity is a key parameter of drift chambers. Its value depends on several parameters: electric field, pressure, temperature, gas mixture, and contamination, for example, by ambient air. A dedicated Velocity Drift Chamber (VDC) with 1-L volume has been built at the III. Phys. Institute A, RWTH Aachen, in order to monitor the drift velocity of all CMS barrel muon Drift Tube chambers. A system of six VDCs was installed at CMS and has been running since January 2011. We present the VDC monitoring system, its principle of operation, and measurements performed.

Drift velocity monitoring of the CMS muon drift chambers

CERN Document Server

Sonnenschein, Lars

2010-01-01

The drift velocity in drift tubes of the CMS muon chambers is a key parameter for the muon track reconstruction and trigger. It needs to be monitored precisely in order to detect any deviation from its nominal value. A change in absolute pressure, a variation of the gas admixture or a contamination of the chamber gas by air affect the drift velocity. Furthermore the temperature and magnetic field influence its value. First data, taken with a dedicated Velocity Drift Chamber (VDC) built by RWTH Aachen IIIA are presented.

The drift velocity monitoring system of the CMS barrel muon chambers

Science.gov (United States)

Altenhöfer, Georg; Hebbeker, Thomas; Heidemann, Carsten; Reithler, Hans; Sonnenschein, Lars; Teyssier, Daniel

2018-04-01

The drift velocity is a key parameter of drift chambers. Its value depends on several parameters: electric field, pressure, temperature, gas mixture, and contamination, for example, by ambient air. A dedicated Velocity Drift Chamber (VDC) with 1-L volume has been built at the III. Phys. Institute A, RWTH Aachen, in order to monitor the drift velocity of all CMS barrel muon Drift Tube chambers. A system of six VDCs was installed at CMS and has been running since January 2011. We present the VDC monitoring system, its principle of operation, and measurements performed.

2016 Annual Meeting of the German Human Factors and Ergonomics Society

CERN Document Server

Duckwitz, Sönke; Flemisch, Frank; Frenz, Martin; Kuz, Sinem; Mertens, Alexander; Mütze-Niewöhner, Susanne

2017-01-01

These proceedings summarize the best papers in each research area represented at the 2016 Annual Meeting of the German Human Factors and Ergonomics Society, held at Institute of Industrial Engineering and Ergonomics of RWTH Aachen University from March 2-4. The meeting featured more than 200 presentations and 36 posters reflecting the diversity of subject matter in the field of human and industrial engineering. This volume addresses human factors and safety specialists, industrial engineers, work and organizational psychologists, occupational medicines as well as production planners and design engineers.

Surgeon General's Family Health History Initiative

Science.gov (United States)

... Source Code The Surgeon General's Family Health History Initiative To help focus attention on the importance of ... health campaign, called the Surgeon General's Family History Initiative, to encourage all American families to learn more ...

RCRA facility stabilization initiative

International Nuclear Information System (INIS)

1995-02-01

The RCRA Facility Stabilization Initiative was developed as a means of implementing the Corrective Action Program's management goals recommended by the RIS for stabilizing actual or imminent releases from solid waste management units that threaten human health and the environment. The overall goal of stabilization is to, as situations warrant, control or abate threats to human health and/or the environment from releases at RCRA facilities, and/or to prevent or minimize the further spread of contamination while long-term remedies are pursued. The Stabilization initiative is a management philosophy and should not be confused with stabilization technologies

INITIATION AND CONDUCT OF ADMINISTRATIVE PROCEDURE

Directory of Open Access Journals (Sweden)

Milan Stipic

2013-12-01

Full Text Available General administrative procedure act contains legal norms that are valid for all identical cases. In addition to the general, there are special administrative procedures, customized to the specific administrative areas. Procedure initiation is regulated. Administrative procedure can be initiated at the request of the proponent and ex officio. When the official determines that the conditions for the conduct of administrative procedure are met, before making a decision, all the facts and circumstances relevant to the resolution of administrative matter have to be identified. When there are no legal requirements for the initiation of procedures, the official shall make a decision to reject the application of the party. The procedure is initiated ex officio when stipulated by law or when protection of public interest requires it. When initiating procedure ex officio, the public authority shall take into consideration the petition or other information that indicate the need to protect the public interest. In such cases the applicant is not a party, and the official is obliged to notify the applicant, if initiation of procedures is not accepted ex officio. Based on the notification, the applicant has a right to complain, including the situation when there is no response within the prescribed period of 30 days. Public authority may, therefore it is not obliged to, initiate administrative procedure by public announcement only in a situation where the parties are unknown, while it is obliged to initiate procedure by public announcement when this method of initiating the procedure is prescribed by law. Initiation of procedure with public announcement occurs in rare cases. Due to the application of efficiency and cost-effectiveness principle, two or more administrative procedures can be merged into one procedure by a conclusion. The condition for this is that the rights or obligations of the parties are based on the same legal basis and on the same or

Initiation of CMEs by Magnetic Flux Emergence

Indian Academy of Sciences (India)

The initiation of solar Coronal Mass Ejections (CMEs) is studied in the framework of numerical magnetohydrodynamics (MHD). The initial CME model includes a magnetic flux rope in spherical, axisymmetric geometry. The initial configuration consists of a magnetic flux rope embedded in a gravitationally stratified solar ...

Innovation Initiatives in Large Software Companies

DEFF Research Database (Denmark)

Edison, Henry; Wang, Xiaofeng; Jabangwe, Ronald

2018-01-01

empirical studies on innovation initiative in the context of large software companies. A total of 7 studies are conducted in the context of large software companies, which reported 5 types of initiatives: intrapreneurship, bootlegging, internal venture, spin-off and crowdsourcing. Our study offers three......Context: To keep the competitive advantage and adapt to changes in the market and technology, companies need to innovate in an organised, purposeful and systematic manner. However, due to their size and complexity, large companies tend to focus on the structure in maintaining their business, which...... can potentially lower their agility to innovate. Objective:The aims of this study are to provide an overview of the current research on innovation initiatives and to identify the challenges of implementing those initiatives in the context of large software companies. Method: The investigation...

30 CFR 56.6501 - Nonelectric initiation systems.

Science.gov (United States)

2010-07-01

... 30 Mineral Resources 1 2010-07-01 2010-07-01 false Nonelectric initiation systems. 56.6501 Section... Nonelectric Blasting § 56.6501 Nonelectric initiation systems. (a) When the nonelectric initiation system uses... for uninterrupted propagation; (2) Factory-made units shall be used as assembled and shall not be cut...

Motivation and Training Initiation: Evidence from Poland

Science.gov (United States)

Mielniczuk, Emilia; Laguna, Mariola

2017-01-01

Purpose: Based on the self-determination theory and the model of action phases, the present study aims to provide insight into motivational factors that are important for training initiation. It investigates the relations between three types of motivation (intrinsic, extrinsic and amotivation) and training initiation: intention to initiate new…

Initial time singularities and admissible initial states for a system of coupled scalar fields

Energy Technology Data Exchange (ETDEWEB)

Baacke, Juergen [Technische Univ. Dortmund (Germany). Fakultaet Physik; Kevlishvili, Nina [Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany); GAS, Tbilisi (Georgia). Andronikashvili Inst. of Physics

2009-10-15

We discuss the problem of initial states for a system of coupled scalar fields out of equilibrium in the one-loop approximation. The fields consist of classical background fields, taken constant in space, and quantum fluctuations. If the initial state is the adiabatic vacuum, i.e., the ground state of a Fock space of particle excitations that diagonalize the mass matrix, the energy-momentum tensor is infinite at t=0, its most singular part behaves as 1/t. When the system is coupled to gravity this presents a problem that we solve by a Bogoliubov transformation of the naive initial state. As a side result we also discuss the canonical formalism and the adiabatic particle number for such a system. Most of the formalism is presented for Minkowksi space. Embedding the system and its dynamics into a flat FRW universe is straightforward and we briefly address the essential modifications. (orig.)

Initial time singularities and admissible initial states for a system of coupled scalar fields

International Nuclear Information System (INIS)

Baacke, Juergen; Kevlishvili, Nina; GAS, Tbilisi

2009-10-01

We discuss the problem of initial states for a system of coupled scalar fields out of equilibrium in the one-loop approximation. The fields consist of classical background fields, taken constant in space, and quantum fluctuations. If the initial state is the adiabatic vacuum, i.e., the ground state of a Fock space of particle excitations that diagonalize the mass matrix, the energy-momentum tensor is infinite at t=0, its most singular part behaves as 1/t. When the system is coupled to gravity this presents a problem that we solve by a Bogoliubov transformation of the naive initial state. As a side result we also discuss the canonical formalism and the adiabatic particle number for such a system. Most of the formalism is presented for Minkowksi space. Embedding the system and its dynamics into a flat FRW universe is straightforward and we briefly address the essential modifications. (orig.)

24 CFR 125.501 - Fair Housing Organizations Initiative.

Science.gov (United States)

2010-04-01

... Initiative. 125.501 Section 125.501 Housing and Urban Development Regulations Relating to Housing and Urban... FAIR HOUSING FAIR HOUSING INITIATIVES PROGRAM § 125.501 Fair Housing Organizations Initiative. (a) The Fair Housing Organizations Initiative of the FHIP provides funding to develop or expand the ability of...

24 CFR 125.301 - Education and Outreach Initiative.

Science.gov (United States)

2010-04-01

... 24 Housing and Urban Development 1 2010-04-01 2010-04-01 false Education and Outreach Initiative... FAIR HOUSING FAIR HOUSING INITIATIVES PROGRAM § 125.301 Education and Outreach Initiative. (a) The Education and Outreach Initiative provides funding for the purpose of developing, implementing, carrying out...

19 CFR 10.532 - Integrated Sourcing Initiative.

Science.gov (United States)

2010-04-01

... 19 Customs Duties 1 2010-04-01 2010-04-01 false Integrated Sourcing Initiative. 10.532 Section 10... Trade Agreement Rules of Origin § 10.532 Integrated Sourcing Initiative. (a) For purposes of General... Sourcing Initiative if: (1) The good, in its condition as imported, is both classified in a tariff...

10 CFR 2.801 - Initiation of rulemaking.

Science.gov (United States)

2010-01-01

... 10 Energy 1 2010-01-01 2010-01-01 false Initiation of rulemaking. 2.801 Section 2.801 Energy NUCLEAR REGULATORY COMMISSION RULES OF PRACTICE FOR DOMESTIC LICENSING PROCEEDINGS AND ISSUANCE OF ORDERS Rulemaking § 2.801 Initiation of rulemaking. Rulemaking may be initiated by the Commission at its own...

Initial conditions for critical Higgs inflation

Science.gov (United States)

Salvio, Alberto

2018-05-01

It has been pointed out that a large non-minimal coupling ξ between the Higgs and the Ricci scalar can source higher derivative operators, which may change the predictions of Higgs inflation. A variant, called critical Higgs inflation, employs the near-criticality of the top mass to introduce an inflection point in the potential and lower drastically the value of ξ. We here study whether critical Higgs inflation can occur even if the pre-inflationary initial conditions do not satisfy the slow-roll behavior (retaining translation and rotation symmetries). A positive answer is found: inflation turns out to be an attractor and therefore no fine-tuning of the initial conditions is necessary. A very large initial Higgs time-derivative (as compared to the potential energy density) is compensated by a moderate increase in the initial field value. These conclusions are reached by solving the exact Higgs equation without using the slow-roll approximation. This also allows us to consistently treat the inflection point, where the standard slow-roll approximation breaks down. Here we make use of an approach that is independent of the UV completion of gravity, by taking initial conditions that always involve sub-planckian energies.

Hybrid Black-Hole Binary Initial Data

Science.gov (United States)

Mundim, Bruno C.; Kelly, Bernard J.; Nakano, Hiroyuki; Zlochower, Yosef; Campanelli, Manuela

2010-01-01

"Traditional black-hole binary puncture initial data is conformally flat. This unphysical assumption is coupled with a lack of radiation signature from the binary's past life. As a result, waveforms extracted from evolutions of this data display an abrupt jump. In Kelly et al. [Class. Quantum Grav. 27:114005 (2010)], a new binary black-hole initial data with radiation contents derived in the post-Newtonian (PN) calculations was adapted to puncture evolutions in numerical relativity. This data satisfies the constraint equations to the 2.5PN order, and contains a transverse-traceless "wavy" metric contribution, violating the standard assumption of conformal flatness. Although the evolution contained less spurious radiation, there were undesired features; the unphysical horizon mass loss and the large initial orbital eccentricity. Introducing a hybrid approach to the initial data evaluation, we significantly reduce these undesired features."

Initiation of protein synthesis in bacteria

DEFF Research Database (Denmark)

Laursen, Brian Søgaard; Sørensen, Hans Peter; Mortensen, Kim Kusk

2005-01-01

Valuable information on translation initiation is available from biochemical data and recently solved structures. We present a detailed description of current knowledge about the structure, function, and interactions of the individual components involved in bacterial translation initiation. The f...

Direct laser initiation of open secondary explosives

International Nuclear Information System (INIS)

Assovskiy, I G; Melik-Gaikazov, G V; Kuznetsov, G P

2015-01-01

The goal of this paper is experimental study of the mechanism of initiation of secondary explosives (SE) by short laser pulse. Laser initiation of SE is much more difficult in comparison with initiation of primary explosives. Using of some special methods is typically requested to realize laser initiation of SE: using of porous SE, putting it in a closed envelope, and using some optically dense additives. In this paper we consider interaction of laser pulse with open surface of non-porous, optically uniform SE. Only pure chemical methods were used to control the light sensitivity of SE. Implementation of the method of laser initiation is reduced to the optimization of composition and molecular structure of the explosives, along with the optimization of the laser pulse (its duration, energy density and wavelength). (paper)

The SEED Initiative

Science.gov (United States)

Teich, Carolyn R.

2011-01-01

Committed to fulfilling the promise of the green economy, the American Association of Community Colleges (AACC) launched the Sustainability Education and Economic Development (SEED) initiative (www.theseedcenter.org) in October 2010. The project advances sustainability and clean energy workforce development practices at community colleges by…

Does the cerebellum initiate movement?

Science.gov (United States)

Thach, W T

2014-02-01

Opinion is divided on what the exact function of the cerebellum is. Experiments are summarized that support the following views: (1) the cerebellum is a combiner of multiple movement factors; (2) it contains anatomically fixed permanent focal representation of individual body parts (muscles and segments) and movement modes (e.g., vestibular driven vs. cognitive driven); (3) it contains flexible changing representations/memory of physical properties of the body parts including muscle strength, segment inertia, joint viscosity, and segmental interaction torques (dynamics); (4) it contains mechanisms for learning and storage of the properties in item no. 3 through trial-and-error practice; (5) it provides for linkage of body parts, motor modes, and motordynamics via the parallel fiber system; (6) it combines and integrates the many factors so as to initiate coordinated movements of the many body parts; (7) it is thus enabled to play the unique role of initiating coordinated movements; and (8) this unique causative role is evidenced by the fact that: (a) electrical stimulation of the cerebellum can initiate compound coordinated movements; (b) in naturally initiated compound movements, cerebellar discharge precedes that in downstream target structures such as motor cerebral cortex; and (c) cerebellar ablation abolishes the natural production of compound movements in the awake alert individuals.

Multimedia Instruction Initiative: Building Faculty Competence.

Science.gov (United States)

Haile, Penelope J.

Hofstra University began a university-wide initiative to enhance classroom instruction with multimedia technology and foster collaborative approaches to learning. The Multimedia Instruction Initiative emphasized teamwork among faculty, students, and computer center support staff to develop a technology-enriched learning environment supported by…

Initiation of Replication in Escherichia coli

DEFF Research Database (Denmark)

Frimodt-Møller, Jakob

The circular chromosome of Escherichia coli is replicated by two replisomes assembled at the unique origin and moving in the opposite direction until they meet in the less well defined terminus. The key protein in initiation of replication, DnaA, facilitates the unwinding of double-stranded DNA...... to single-stranded DNA in oriC. Although DnaA is able to bind both ADP and ATP, DnaA is only active in initiation when bound to ATP. Although initiation of replication, and the regulation of this, is thoroughly investigated it is still not fully understood. The overall aim of the thesis was to investigate...... the regulation of initiation, the effect on the cell when regulation fails, and if regulation was interlinked to chromosomal organization. This thesis uncovers that there exists a subtle balance between chromosome replication and reactive oxygen species (ROS) inflicted DNA damage. Thus, failure in regulation...

Mobile computing initiatives within pharmacy education.

Science.gov (United States)

Cain, Jeff; Bird, Eleanora R; Jones, Mikael

2008-08-15

To identify mobile computing initiatives within pharmacy education, including how devices are obtained, supported, and utilized within the curriculum. An 18-item questionnaire was developed and delivered to academic affairs deans (or closest equivalent) of 98 colleges and schools of pharmacy. Fifty-four colleges and schools completed the questionnaire for a 55% completion rate. Thirteen of those schools have implemented mobile computing requirements for students. Twenty schools reported they were likely to formally consider implementing a mobile computing initiative within 5 years. Numerous models of mobile computing initiatives exist in terms of device obtainment, technical support, infrastructure, and utilization within the curriculum. Responders identified flexibility in teaching and learning as the most positive aspect of the initiatives and computer-aided distraction as the most negative, Numerous factors should be taken into consideration when deciding if and how a mobile computing requirement should be implemented.

Initiation of Meiotic Recombination in Mammals

Directory of Open Access Journals (Sweden)

Rajeev Kumar

2010-12-01

Full Text Available Meiotic recombination is initiated by the induction of programmed DNA double strand breaks (DSBs. DSB repair promotes homologous interactions and pairing and leads to the formation of crossovers (COs, which are required for the proper reductional segregation at the first meiotic division. In mammals, several hundred DSBs are generated at the beginning of meiotic prophase by the catalytic activity of SPO11. Currently it is not well understood how the frequency and timing of DSB formation and their localization are regulated. Several approaches in humans and mice have provided an extensive description of the localization of initiation events based on CO mapping, leading to the identification and characterization of preferred sites (hotspots of initiation. This review presents the current knowledge about the proteins known to be involved in this process, the sites where initiation takes place, and the factors that control hotspot localization.

Allyl borates: a novel class of polyhomologation initiators

KAUST Repository

Wang, De

2016-12-24

Allyl borates, a new class of monofunctional polyhomologation initiators, are reported. These monofunctional initiators are less sensitive and more effective towards polymethylene-based architectures. As an example, the synthesis of α-vinyl-ω-hydroxypolymethylenes is given. By designing/synthesizing different allylic borate initiators, and using 1H and 11B NMR spectroscopy, the initiation mechanism was elucidated.

NAMA 80/20 DEFERRED PAYMENT INITIATIVE PARTICIPATION FORM

OpenAIRE

2012-01-01

Brochure detailing the Deferred Payment Initiative key features and information on how to apply for the initiative: "NAMA has launched a Deferred Payment Initiative (the ‘Initiative’) on a pilot basis. The Initiative is aimed at potential owner-occupiers who are interested in purchasing residential property but are concerned at the risk of further price declines."

Student initiative: A conceptual analysis

OpenAIRE

Polovina Nada

2014-01-01

In the description and scientific consideration of the attitude of children and youth towards their education and development, the concept of student initiative has been gaining ground lately, and it is hence the subject of analysis in this paper. The analysis is important because of the discrepancy between the increased efforts of the key educational policy holders to promote the idea about the importance of the development of student initiative and rare a...

Initial value problem for plasma oscillations

International Nuclear Information System (INIS)

Li, J.; Spies, G.O.

1991-01-01

The solution of the initial value problem for the linearized one-dimensional electron Vlasov--Poisson equations in a field-free homogeneous equilibrium is examined for small and for large ratios κ of Debye length and wavelength, assuming initial perturbing distribution functions varying on the same velocity scale as the equilibrium. Previously known approximations of the initial evolution (which, unlike the time-asymptotic one, does not depend on analyticity assumptions) are extended to longer times, and to arbitrary stable or unstable equilibria: In the quasifluid regime (small κ), the electric field, within an additive error O(κ 2 ), and independently of the initial data, performs an oscillation near the plasma frequency that corresponds to an eigenmode if it is unstable or marginal, but to an approximate eigenmode arising from the continuous spectrum otherwise. If other unstable or marginal modes are present, these influence only the time-asymptotic behavior because their amplitudes are O(κ 2 ) initially. In the ballistic regime (large κ), there are no instabilities and the perturbing density, now within an error O(κ -2 ), is the Fourier transform of the initial perturbing distribution function, thus following an arbitrary decay law that is independent of the equilibrium. The errors are shown to be time-independent, implying that either approximation is relevant at least until the perturbing density has essentially damped out. Hence the dominating damping mechanism (in the stable case) is Landau damping if κ much-lt 1, but ballistic particle mixing if κ much-gt 1

Precursor processes of human self-initiated action.

Science.gov (United States)

Khalighinejad, Nima; Schurger, Aaron; Desantis, Andrea; Zmigrod, Leor; Haggard, Patrick

2018-01-15

A gradual buildup of electrical potential over motor areas precedes self-initiated movements. Recently, such "readiness potentials" (RPs) were attributed to stochastic fluctuations in neural activity. We developed a new experimental paradigm that operationalized self-initiated actions as endogenous 'skip' responses while waiting for target stimuli in a perceptual decision task. We compared these to a block of trials where participants could not choose when to skip, but were instead instructed to skip. Frequency and timing of motor action were therefore balanced across blocks, so that conditions differed only in how the timing of skip decisions was generated. We reasoned that across-trial variability of EEG could carry as much information about the source of skip decisions as the mean RP. EEG variability decreased more markedly prior to self-initiated compared to externally-triggered skip actions. This convergence suggests a consistent preparatory process prior to self-initiated action. A leaky stochastic accumulator model could reproduce this convergence given the additional assumption of a systematic decrease in input noise prior to self-initiated actions. Our results may provide a novel neurophysiological perspective on the topical debate regarding whether self-initiated actions arise from a deterministic neurocognitive process, or from neural stochasticity. We suggest that the key precursor of self-initiated action may manifest as a reduction in neural noise. Copyright © 2017 The Authors. Published by Elsevier Inc. All rights reserved.

28 CFR 301.305 - Initial determination.

Science.gov (United States)

2010-07-01

... 28 Judicial Administration 2 2010-07-01 2010-07-01 false Initial determination. 301.305 Section... COMPENSATION Compensation for Work-Related Physical Impairment or Death § 301.305 Initial determination. A... determination, including the reasons therefore, together with notification of the right to appeal the...

Initiation of anticoagulation in atrial fibrillation

DEFF Research Database (Denmark)

Gundlund, A.; Staerk, L.; Fosbøl, E. L.

2017-01-01

Background: The use of non-vitamin K antagonist oral anticoagulants (NOACs) for stroke prophylaxis in atrial fibrillation (AF) is increasing rapidly. We compared characteristics of AF patients initiated on NOACs versus vitamin K antagonists (VKAs). Methods: Using Danish nationwide registry data, we...... compared with a VKA [odds ratio (OR) 1.35, 95% confidence interval (CI) 1.28–1.43]. By contrast, patients with a history of myocardial infarction were less likely to be initiated on a NOAC compared with a VKA (OR 0.72, 95% CI 0.67–0.77). Conclusions: Atrial fibrillation patients who were initiated...

Initial value formulation of higher derivative gravity

International Nuclear Information System (INIS)

Noakes, D.R.

1983-01-01

The initial value problem is considered for the conformally coupled scalar field and higher derivative gravity, by expressing the equations of each theory in harmonic coordinates. For each theory it is shown that the (vacuum) equations can take the form of a diagonal hyperbolic system with constraints on the initial data. Consequently these theories possess well-posed initial value formulations

Major New Initiatives

Indian Academy of Sciences (India)

First page Back Continue Last page Overview Graphics. Major New Initiatives. Multi-party multi-rate video conferencing OOPS. Live Lecture OOPS. Rural ATM Machine Vortex. Finger print detection HP-IITM. Medical Diagnostic kit NeuroSynaptic. LCD projection system TeNeT. Web Terminal MeTeL Midas. Entertainment ...

Emerging Pathogens Initiative (EPI)

Data.gov (United States)

Department of Veterans Affairs — The Emerging Pathogens Initiative (EPI) database contains emerging pathogens information from the local Veterans Affairs Medical Centers (VAMCs). The EPI software...

Tubular Initial Conditions and Ridge Formation

Directory of Open Access Journals (Sweden)

M. S. Borysova

2013-01-01

Full Text Available The 2D azimuth and rapidity structure of the two-particle correlations in relativistic A+A collisions is altered significantly by the presence of sharp inhomogeneities in superdense matter formed in such processes. The causality constraints enforce one to associate the long-range longitudinal correlations observed in a narrow angular interval, the so-called (soft ridge, with peculiarities of the initial conditions of collision process. This study's objective is to analyze whether multiform initial tubular structures, undergoing the subsequent hydrodynamic evolution and gradual decoupling, can form the soft ridges. Motivated by the flux-tube scenarios, the initial energy density distribution contains the different numbers of high density tube-like boost-invariant inclusions that form a bumpy structure in the transverse plane. The influence of various structures of such initial conditions in the most central A+A events on the collective evolution of matter, resulting spectra, angular particle correlations and vn-coefficients is studied in the framework of the hydrokinetic model (HKM.

Canada's family violence initiative: partnerships

OpenAIRE

Scott,Elaine

1994-01-01

Under Canada's four-year, $136 million Family Violence Initiative, the federal government is calling upon all Canadians to work in partnerships towards the elimination of family violence - child abuse, violence against women, and elder (senior) abuse. Family violence is a complex problem and requires the efforts of all Canadians to resolve it. One of the key themes of the Initiative - a multidisciplinary approach to the problem of family violence - is reflected in the selection and developmen...

76 FR 35715 - Establishment of the SelectUSA Initiative

Science.gov (United States)

2011-06-20

... Establishment of the SelectUSA Initiative By the authority vested in me as President by the Constitution and the... unnecessary obstacles to investment. Sec. 2. SelectUSA Initiative. (a) Establishment. There is established the SelectUSA Initiative (Initiative), a Government-wide initiative to attract and retain investment in the...

Open science initiatives: challenges for public health promotion.

Science.gov (United States)

Holzmeyer, Cheryl

2018-03-07

While academic open access, open data and open science initiatives have proliferated in recent years, facilitating new research resources for health promotion, open initiatives are not one-size-fits-all. Health research particularly illustrates how open initiatives may serve various interests and ends. Open initiatives not only foster new pathways of research access; they also discipline research in new ways, especially when associated with new regimes of research use and peer review, while participating in innovation ecosystems that often perpetuate existing systemic biases toward commercial biomedicine. Currently, many open initiatives are more oriented toward biomedical research paradigms than paradigms associated with public health promotion, such as social determinants of health research. Moreover, open initiatives too often dovetail with, rather than challenge, neoliberal policy paradigms. Such initiatives are unlikely to transform existing health research landscapes and redress health inequities. In this context, attunement to social determinants of health research and community-based local knowledge is vital to orient open initiatives toward public health promotion and health equity. Such an approach calls for discourses, norms and innovation ecosystems that contest neoliberal policy frameworks and foster upstream interventions to promote health, beyond biomedical paradigms. This analysis highlights challenges and possibilities for leveraging open initiatives on behalf of a wider range of health research stakeholders, while emphasizing public health promotion, health equity and social justice as benchmarks of transformation.

Mobile Health Initiatives in Vietnam: Scoping Study.

Science.gov (United States)

Lam, Jeffrey A; Dang, Linh Thuy; Phan, Ngoc Tran; Trinh, Hue Thi; Vu, Nguyen Cong; Nguyen, Cuong Kieu

2018-04-24

Mobile health (mHealth) offers a promising solution to the multitude of challenges the Vietnamese health system faces, but there is a scarcity of published information on mHealth in Vietnam. The objectives of this scoping study were (1) to summarize the extent, range, and nature of mHealth initiatives in Vietnam and (2) to examine the opportunities and threats of mHealth utilization in the Vietnamese context. This scoping study systematically identified and extracted relevant information from 20 past and current mHealth initiatives in Vietnam. The study includes multimodal information sources, including published literature, gray literature (ie, government reports and unpublished literature), conference presentations, Web-based documents, and key informant interviews. We extracted information from 27 records from the electronic search and conducted 14 key informant interviews, allowing us to identify 20 mHealth initiatives in Vietnam. Most of the initiatives were primarily funded by external donors (n=15), while other initiatives were government funded (n=1) or self-funded (n=4). A majority of the initiatives targeted vulnerable and hard-to-reach populations (n=11), aimed to prevent the occurrence of disease (n=12), and used text messaging (short message service, SMS) as part of their intervention (n=14). The study revealed that Vietnamese mHealth implementation has been challenged by factors including features unique to the Vietnamese language (n=4) and sociocultural factors (n=3). The largest threats to the popularity of mHealth initiatives are the absence of government policy, lack of government interest, heavy dependence on foreign funding, and lack of technological infrastructure. Finally, while current mHealth initiatives have already demonstrated promising opportunities for alternative models of funding, such as social entrepreneurship or private business models, sustainable mHealth initiatives outside of those funded by external donors have not yet been

College and Career Counseling Training Initiative

Science.gov (United States)

Southern Regional Education Board (SREB), 2014

2014-01-01

The Southern Regional Education Board's (SREB) College and Career Counseling Training Initiative works to increase the knowledge and skills of counselors who advise students on their postsecondary aspirations. Membership in the initiative provides access to Strategies in College and Career Counseling, a series of online training modules that can…

Administering an epoch initiated for remote memory access

Science.gov (United States)

Blocksome, Michael A; Miller, Douglas R

2012-10-23

Methods, systems, and products are disclosed for administering an epoch initiated for remote memory access that include: initiating, by an origin application messaging module on an origin compute node, one or more data transfers to a target compute node for the epoch; initiating, by the origin application messaging module after initiating the data transfers, a closing stage for the epoch, including rejecting any new data transfers after initiating the closing stage for the epoch; determining, by the origin application messaging module, whether the data transfers have completed; and closing, by the origin application messaging module, the epoch if the data transfers have completed.

A mechanical energy analysis of gait initiation

Science.gov (United States)

Miller, C. A.; Verstraete, M. C.

1999-01-01

The analysis of gait initiation (the transient state between standing and walking) is an important diagnostic tool to study pathologic gait and to evaluate prosthetic devices. While past studies have quantified mechanical energy of the body during steady-state gait, to date no one has computed the mechanical energy of the body during gait initiation. In this study, gait initiation in seven normal male subjects was studied using a mechanical energy analysis to compute total body energy. The data showed three separate states: quiet standing, gait initiation, and steady-state gait. During gait initiation, the trends in the energy data for the individual segments were similar to those seen during steady-state gait (and in Winter DA, Quanbury AO, Reimer GD. Analysis of instantaneous energy of normal gait. J Biochem 1976;9:253-257), but diminished in amplitude. However, these amplitudes increased to those seen in steady-state during the gait initiation event (GIE), with the greatest increase occurring in the second step due to the push-off of the foundation leg. The baseline level of mechanical energy was due to the potential energy of the individual segments, while the cyclic nature of the data was indicative of the kinetic energy of the particular leg in swing phase during that step. The data presented showed differences in energy trends during gait initiation from those of steady state, thereby demonstrating the importance of this event in the study of locomotion.

Charging conditions research to increase the initial projected velocity at different initial charge temperatures

Science.gov (United States)

Ishchenko, Aleksandr; Burkin, Viktor; Kasimov, Vladimir; Samorokova, Nina; Zykova, Angelica; Diachkovskii, Alexei

2017-11-01

The problems of the defense industry occupy the most important place in the constantly developing modern world. The daily development of defense technology does not stop, nor do studies on internal ballistics. The scientists of the whole world are faced with the task of managing the main characteristics of a ballistic experiment. The main characteristics of the ballistic experiment are the maximum pressure in the combustion chamber Pmax and the projected velocity at the time of barrel leaving UM. During the work the combustion law of the new high-energy fuel was determined in a ballistic experiment for different initial temperatures. This combustion law was used for a parametric study of depending Pmax and UM from a powder charge mass and a traveling charge was carried out. The optimal conditions for loading were obtained for improving the initial velocity at pressures up to 600 MPa for different initial temperatures. In this paper, one of the most promising schemes of throwing is considered, as well as a method for increasing the muzzle velocity of a projected element to 3317 m/s.

12 CFR 404.8 - Initial determination.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 4 2010-01-01 2010-01-01 false Initial determination. 404.8 Section 404.8 Banks and Banking EXPORT-IMPORT BANK OF THE UNITED STATES INFORMATION DISCLOSURE Procedures for Disclosure of Records Under the Freedom of Information Act. § 404.8 Initial determination. (a) Authority to...

Children's Alcohol Initiation: An Analytic Overview

Science.gov (United States)

Ward, Bernadette; Snow, Pamela; Aroni, Rosalie

2010-01-01

Many parents support the "supervised introduction" of alcohol to children. While initiation to regular alcohol consumption in early adolescence has been linked with alcohol-related problems in adult life, the findings from these studies cannot be extrapolated to early childhood. The definition of initiation to alcohol in early childhood is often…

Single and multiple transverse fracture initiation from horizontal wells

Energy Technology Data Exchange (ETDEWEB)

Crosby, D.G.; Rahman, M.M.; Rahman, M.K.; Rahman, S.S. [School of Petroleum Engineering, The University of New South Wales, 2052 Sydney (Australia)

2002-08-01

The results of an analytical and experimental study of the initiation of transverse fractures from horizontal wells are presented. Analytical criteria for the initiation of single hydraulic fracture are reviewed, and criterion for initiation of multiple hydraulic fractures was developed by modification of the existing Drucker and Prager criterion for single hydraulic fracture initiation. The developed criterion for multiple fracture initiation was validated by comparisons with actual hydraulic fracture initiation pressures, which were obtained from scaled laboratory experiments and numerical results from boundary element analysis. Other criteria are assessed against the experimental results. Experimentally obtained transverse fracture initiation pressures were found close to longitudinal fracture initiation pressures estimated from maximum tensile stress criterion and Hoek and Brown criterion. One possible explanation of this finding is presented. Results from Drucker and Prager criteria for single and multiple fracture initiation were, however, found closer to experimental values. Therefore, these criteria could be useful to engineers involved with hydraulic fracturing for predicting transverse fracture initiation pressures from horizontal wells drilled parallel to the minimum horizontal in-situ stress.

Practical recommendations for the evaluation of improvement initiatives

Science.gov (United States)

Parry, Gareth; Coly, Astou; Goldmann, Don; Rowe, Alexander K; Chattu, Vijay; Logiudice, Deneil; Rabrenovic, Mihajlo; Nambiar, Bejoy

2018-01-01

Abstract A lack of clear guidance for funders, evaluators and improvers on what to include in evaluation proposals can lead to evaluation designs that do not answer the questions stakeholders want to know. These evaluation designs may not match the iterative nature of improvement and may be imposed onto an initiative in a way that is impractical from the perspective of improvers and the communities with whom they work. Consequently, the results of evaluations are often controversial, and attribution remains poorly understood. Improvement initiatives are iterative, adaptive and context-specific. Evaluation approaches and designs must align with these features, specifically in their ability to consider complexity, to evolve as the initiative adapts over time and to understand the interaction with local context. Improvement initiatives often identify broadly defined change concepts and provide tools for care teams to tailor these in more detail to local conditions. Correspondingly, recommendations for evaluation are best provided as broad guidance, to be tailored to the specifics of the initiative. In this paper, we provide practical guidance and recommendations that funders and evaluators can use when developing an evaluation plan for improvement initiatives that seeks to: identify the questions stakeholders want to address; develop the initial program theory of the initiative; identify high-priority areas to measure progress over time; describe the context the initiative will be applied within; and identify experimental or observational designs that will address attribution. PMID:29447410

The Barroso Initiative: Window Dressing or Democracy Boost?

Directory of Open Access Journals (Sweden)

Davor Jančić

2012-01-01

Full Text Available This article carries out a multifaceted legal analysis of the so-called Barroso Initiative, which was commenced by the European Commission in September 2006 in order to involve national parliaments of the Member States in the process of EU policy making. The key motive underlying the Initiative is to enhance the parliamentary and democratic dimension of the Union. After examining the origins, nature, scope and purpose of the Initiative, we explain the distinction between the Barroso Initiative and the early warning mechanism. In an attempt to assess the practical effects of the Initiative, we probe into its operation and reception in the national parliaments of France, the United Kingdom and Portugal, as systems which represent different constitutional and political traditions and which thus exhibit different attitudes to European scrutiny. In particular, we inquire about the constitutional impact of the Initiative on the national parliament in question. The paper concludes that the Barroso Initiative is a welcome commitment whose potential for eradicating the democratic deficit is modest but nonetheless one worth actively engaging in.

12 CFR 404.15 - Initial determination.

Science.gov (United States)

2010-01-01

... 12 Banks and Banking 4 2010-01-01 2010-01-01 false Initial determination. 404.15 Section 404.15 Banks and Banking EXPORT-IMPORT BANK OF THE UNITED STATES INFORMATION DISCLOSURE Access to Records Under the Privacy Act of 1974 § 404.15 Initial determination. (a) Time for processing. The Freedom of...

Surgical Critical Care Initiative

Data.gov (United States)

Federal Laboratory Consortium — The Surgical Critical Care Initiative (SC2i) is a USU research program established in October 2013 to develop, translate, and validate biology-driven critical care....

Medical Errors Reduction Initiative

National Research Council Canada - National Science Library

Mutter, Michael L

2005-01-01

The Valley Hospital of Ridgewood, New Jersey, is proposing to extend a limited but highly successful specimen management and medication administration medical errors reduction initiative on a hospital-wide basis...

AUG is the only initiation codon in eukaryotes

Energy Technology Data Exchange (ETDEWEB)

Sherman, F; McKnight, G; Stewart, J W

1980-01-01

An analysis of mutants of the yeast Saccharomyces cerevisiae indicates that AUG is the sole codon capable of initiating translation of iso-1-cytochrome c. This result with yeast and the sequence results of numerous eukaryotic genes indicate that AUG is the only initiation codon in eukaryotes; in contrast, results with Escherichia colia and bacteriophages indicate that both AUG and GUG are initiation codons in prokaryotes. The difference can be explained by the lack of the t/sup 6/ A hypermodified nucleoside (N-(9-(..beta..-D-ribofuranosyl)purin-6-ylcarbamoyl)threonine) in prokaryotic initiator tRNA and its presence in eukaryotic initiator tRNA.

Initial management of breastfeeding.

Science.gov (United States)

Sinusas, K; Gagliardi, A

2001-09-15

Breast milk is widely accepted as the ideal source of nutrition for infants. In order to ensure success in breastfeeding, it is important that it be initiated as early as possible during the neonatal period. This is facilitated by skin-to-skin contact between the mother and infant immediately following birth. When possible, the infant should be allowed to root and latch on spontaneously within the first hour of life. Many common nursery routines such as weighing the infant, administration of vitamin K and application of ocular antibiotics can be safely delayed until after the initial breastfeeding. Postpartum care practices that improve breastfeeding rates include rooming-in, anticipatory guidance about breastfeeding problems and the avoidance of formula supplementation and pacifiers.

INITIAL TRAINING OF RESEARCHERS

Directory of Open Access Journals (Sweden)

Karina Alejandra Cruz-Pallares

2015-07-01

Full Text Available The document presents results of a research that used as strategy a complementary training project with thirty-three students of a Bachelors Degree in Primary School 1997(DPS,1997 of an Education Faculty for the initial training of investigators, applied by four teachers members of the academic research group in Mexico; that develops through process of action research methodology. Highlighted in results is the strengthening of the competition of reading, understanding and writing scientific texts, which is analogous to the first feature of the graduate profile called intellectual skills. Among the conclusions it is emphasized that the initial training of teachers in a task that is quite interesting, challenging and complex, as is the educational complex phenomenon.

48 CFR 25.405 - Caribbean Basin Trade Initiative.

Science.gov (United States)

2010-10-01

... Initiative. 25.405 Section 25.405 Federal Acquisition Regulations System FEDERAL ACQUISITION REGULATION SOCIOECONOMIC PROGRAMS FOREIGN ACQUISITION Trade Agreements 25.405 Caribbean Basin Trade Initiative. Under the Caribbean Basin Trade Initiative, the United States Trade Representative has determined that, for...

Mixed-Initiative Clustering

Science.gov (United States)

Huang, Yifen

2010-01-01

Mixed-initiative clustering is a task where a user and a machine work collaboratively to analyze a large set of documents. We hypothesize that a user and a machine can both learn better clustering models through enriched communication and interactive learning from each other. The first contribution or this thesis is providing a framework of…

Catalyzing Collaboration: Wisconsin's Agency-Initiated Basin Partnerships

Science.gov (United States)

Genskow, Kenneth D.

2009-03-01

Experience with collaborative approaches to natural resource and environmental management has grown substantially over the past 20 years, and multi-interest, shared-resources initiatives have become prevalent in the United States and internationally. Although often viewed as “grass-roots” and locally initiated, governmental participants are crucial to the success of collaborative efforts, and important questions remain regarding their appropriate roles, including roles in partnership initiation. In the midst of growing governmental support for collaborative approaches in the mid-1990s, the primary natural resource and environmental management agency in Wisconsin (USA) attempted to generate a statewide system of self-sustaining, collaborative partnerships, organized around the state’s river basin boundaries. The agency expected the partnerships to enhance participation by stakeholders, leverage additional resources, and help move the agency toward more integrated and ecosystem-based resource management initiatives. Most of the basin partnerships did form and function, but ten years after this initiative, the agency has moved away from these partnerships and half have disbanded. Those that remain active have changed, but continue to work closely with agency staff. Those no longer functioning lacked clear focus, were dependent upon agency leadership, or could not overcome issues of scale. This article outlines the context for state support of collaborative initiatives and explores Wisconsin’s experience with basin partnerships by discussing their formation and reviewing governmental roles in partnerships’ emergence and change. Wisconsin’s experience suggests benefits from agency support and agency responsiveness to partnership opportunities, but cautions about expectations for initiating general-purpose partnerships.

Nursing Home Quality Initiative

Data.gov (United States)

U.S. Department of Health & Human Services — This Nursing Home Quality Initiative (NHQI) website provides consumer and provider information regarding the quality of care in nursing homes. NHQI discusses quality...

Structural Basis of Mitochondrial Transcription Initiation.

Science.gov (United States)

Hillen, Hauke S; Morozov, Yaroslav I; Sarfallah, Azadeh; Temiakov, Dmitry; Cramer, Patrick

2017-11-16

Transcription in human mitochondria is driven by a single-subunit, factor-dependent RNA polymerase (mtRNAP). Despite its critical role in both expression and replication of the mitochondrial genome, transcription initiation by mtRNAP remains poorly understood. Here, we report crystal structures of human mitochondrial transcription initiation complexes assembled on both light and heavy strand promoters. The structures reveal how transcription factors TFAM and TFB2M assist mtRNAP to achieve promoter-dependent initiation. TFAM tethers the N-terminal region of mtRNAP to recruit the polymerase to the promoter whereas TFB2M induces structural changes in mtRNAP to enable promoter opening and trapping of the DNA non-template strand. Structural comparisons demonstrate that the initiation mechanism in mitochondria is distinct from that in the well-studied nuclear, bacterial, or bacteriophage transcription systems but that similarities are found on the topological and conceptual level. These results provide a framework for studying the regulation of gene expression and DNA replication in mitochondria. Copyright © 2017 Elsevier Inc. All rights reserved.

Aquarius: The Instrument and Initial Results

Science.gov (United States)

Vine, David M Le; Lagerloef, G.S.E.; Ruf, C.; Wentz, F.; Yueh, S.; Piepmeier, J.; Lindstrom, E.; Dinnat, E.

2012-01-01

Aquarius was launched on June 10, 2011 aboard the Aquarius/SAC-D observatory and the instrument has been operating continuously since the initial turned-on was completed on August 25. The initial observed antenna temperatures were close to predicted and the first salinity map was released in September. In order to map the ocean salinity field, Aquarius includes several special features such as the inclusion of a scatterometer to provide a roughness correction, measurement of the third Stokes parameter to correct for Faraday rotation, and fast sampling to mitigate the effects of RFI. This paper provides an overview of the instrument and an example of initial results. Details are covered in subsequent papers in the session on Aquarius

Topology-optimized metasurfaces: impact of initial geometric layout.

Science.gov (United States)

Yang, Jianji; Fan, Jonathan A

2017-08-15

Topology optimization is a powerful iterative inverse design technique in metasurface engineering and can transform an initial layout into a high-performance device. With this method, devices are optimized within a local design phase space, making the identification of suitable initial geometries essential. In this Letter, we examine the impact of initial geometric layout on the performance of large-angle (75 deg) topology-optimized metagrating deflectors. We find that when conventional metasurface designs based on dielectric nanoposts are used as initial layouts for topology optimization, the final devices have efficiencies around 65%. In contrast, when random initial layouts are used, the final devices have ultra-high efficiencies that can reach 94%. Our numerical experiments suggest that device topologies based on conventional metasurface designs may not be suitable to produce ultra-high-efficiency, large-angle metasurfaces. Rather, initial geometric layouts with non-trivial topologies and shapes are required.

About the RAS Initiative

Science.gov (United States)

The RAS Initiative, a "hub and spoke" model, connects researchers to better understand and target the more than 30% of cancers driven by mutations in RAS genes. Includes oversight and contact information.

eMedOffice: A web-based collaborative serious game for teaching optimal design of a medical practice

Directory of Open Access Journals (Sweden)

Hannig Andreas

2012-10-01

Full Text Available Abstract Background Preparing medical students for the takeover or the start-up of a medical practice is an important challenge in Germany today. Therefore, this paper presents a computer-aided serious game (eMedOffice developed and currently in use at the RWTH Aachen University Medical School. The game is part of the attempt to teach medical students the organizational and conceptual basics of the medical practice of a general practitioner in a problem-based learning environment. This paper introduces methods and concepts used to develop the serious game and describes the results of an evaluation of the game's application in curricular courses at the Medical School. Results Results of the conducted evaluation gave evidence of a positive learning effect of the serious game. Educational supervisors observed strong collaboration among the players inspired by the competitive gaming aspects. In addition, an increase in willingness to learn and the exploration of new self-invented ideas were observed and valuable proposals for further prospective enhancements were elicited. A statistical analysis of the results of an evaluation provided a clear indication of the positive learning effect of the game. A usability questionnaire survey revealed a very good overall score of 4.07 (5=best, 1=worst. Conclusions We consider web-based, collaborative serious games to be a promising means of improving medical education. The insights gained by the implementation of eMedOffice will promote the future development of more effective serious games for integration into curricular courses of the RWTH Aachen University Medical School.

Is physician supervision of the capsaicin 8% patch administration procedure really necessary? An opinion from health care professionals

Directory of Open Access Journals (Sweden)

Kern KU

2013-07-01

Full Text Available Kai-Uwe Kern,1 Janice England,2 Andrea Roth-Daniek,3 Till Wagner3 1Institute for Pain Medicine/Pain Practice, Wiesbaden, Germany; 2Pain Medicine and Anaesthesia, The Christie National Health Service Foundation Trust, Manchester, UK; 3Pain Therapy and Palliative Care Department, Medizinisches Zentrum Städteregion Aachen, Aachen, Germany Abstract: Neuropathic pain is difficult to treat and can have a severe effect on quality of life. The capsaicin 8% patch is a novel treatment option that directly targets the source of peripheral neuropathic pain. It can provide pain relief for up to 12 weeks in patients with peripheral neuropathic pain. Treatment with the capsaicin 8% patch follows a clearly defined procedure, and patch application must be carried out by a physician or a health care professional under the supervision of a physician. Nonetheless, in our experience, nurses often take the lead role in capsaicin 8% patch application without the involvement of a physician. We believe that the nurse's key role is of benefit to the patients, as he or she may be better placed, because of time constraints and patient relationships, to support the patient through the application procedure than a physician. Moreover, a number of frequently prescribed drugs, including botulinum toxin and infliximab, can be administered by health care professionals without the requirement for physician supervision. Here we argue that current guidance should be amended to remove the requirement for physician supervision during application of the capsaicin 8% patch. Keywords: capsaicin, neuropathic pain, topical, health care professional, physician, nurse

CMS tier structure and operation of the experiment-specific tasks in Germany

International Nuclear Information System (INIS)

Nowack, A

2008-01-01

In Germany, several university institutes and research centres take part in the CMS experiment. Concerning the data analysis, a couple of computing centres at different Tier levels, ranging from Tier 1 to Tier 3, exists at these places. The German Tier 1 centre GridKa at the research centre at Karlsruhe serves all four LHC experiments as well as four non-LHC experiments. With respect to the CMS experiment, GridKa is mainly involved in central tasks. The Tier 2 centre in Germany consists of two sites, one at the research centre DESY at Hamburg and one at RWTH Aachen University, forming a federated Tier 2 centre. Both parts cover different aspects of a Tier 2 centre. The German Tier 3 centres are located at the research centre DESY at Hamburg, at RWTH Aachen University, and at the University of Karlsruhe. Furthermore the building of a German user analysis facility is planned. Since the CMS community in German is rather small, a good cooperation between the different sites is essential. This cooperation includes physical topics as well as technical and operational issues. All available communication channels such as email, phone, monthly video conferences, and regular personal meetings are used. For example, the distribution of data sets is coordinated globally within Germany. Also the CMS-specific services such as the data transfer tool PhEDEx or the Monte Carlo production are operated by people from different sites in order to spread the knowledge widely and increase the redundancy in terms of operators

Profiles of an initially perturbed electron beam

International Nuclear Information System (INIS)

Abdelsalam, F.W.

1991-01-01

This paper discusses the solutions for the profiles of an electron beam which is launched into a constant magnetic field with an initial boundary slope and injected with a radius which is greater or less than the cathode radius. It has been found that the outermost electron traces sine waves and executes limited excursions when the initial boundary slope corresponds to angles up to 1 degree, no matter whether the initial radius is 0.90 or 1.10 times the radius of the cathode. For initial inclination angles close to 2 degrees, the beam boundary does not preserve a sinusoidal shape, this statement holds true for focusing magnetic flux densities varying from 200x10 -4 to 700x10 -4 weber per square meter

Evaluating U.S. States climate change initiatives

International Nuclear Information System (INIS)

Silva, P.

2004-01-01

This paper evaluates sub-federal efforts to mitigate climate change in the United States through a range of climate-relevant initiatives, identifying principal trends and detailing climate-relevant initiatives in several states. These strategies include renewable electricity mandates, State and regional greenhouse gas emissions inventories, mandatory greenhouse gas emissions reporting, State greenhouse gas emissions caps, greenhouse gas emissions reductions from motor vehicles, and greenhouse gas emissions cap-and-trade programs for electric generation in several States. Many municipalities in the United States are also pursuing a range of climate-relevant initiatives, those actions are beyond the scope of this paper, but it should be noted they also influence state and national consideration of climate-relevant initiatives in the United States. (author)

Evaluating U.S. States climate change initiatives

Energy Technology Data Exchange (ETDEWEB)

Silva, P

2004-07-01

This paper evaluates sub-federal efforts to mitigate climate change in the United States through a range of climate-relevant initiatives, identifying principal trends and detailing climate-relevant initiatives in several states. These strategies include renewable electricity mandates, State and regional greenhouse gas emissions inventories, mandatory greenhouse gas emissions reporting, State greenhouse gas emissions caps, greenhouse gas emissions reductions from motor vehicles, and greenhouse gas emissions cap-and-trade programs for electric generation in several States. Many municipalities in the United States are also pursuing a range of climate-relevant initiatives, those actions are beyond the scope of this paper, but it should be noted they also influence state and national consideration of climate-relevant initiatives in the United States. (author)

Correlates of sexual initiation among European adolescents.

Directory of Open Access Journals (Sweden)

Pietro Gambadauro

Full Text Available Sexuality is a physiological component of adolescent development, though early initiation is associated with reproductive health risk. This study aimed at identifying correlates and predictors of sexual initiation in a large multinational cohort of European adolescents.A questionnaire addressing socio-demographics, behaviours, mental health and sexual activity, was delivered to 11,110 adolescents recruited from 168 randomly selected schools in 10 European countries between 2009 and 2011. A follow-up questionnaire was delivered after 12 months. The longitudinal association of baseline risk behaviors, psychological attributes and contextual vulnerabilities, with sexual initiation during follow-up was evaluated through simple and multivariable age/sex stratified logistic regression. Multinomial logistic regression measured the association between predictors and sexual initiation with or without coexisting reproductive risk factors, such as multiple partners or infrequent condom use.Baseline sexual experience was reported by 19.2% of 10,757 respondents (median age 15; IQR 14-15; females 59.6%. This was significantly more frequent among pupils older than 15 (41% and males (20.8%. Of 7,111 pupils without previous experience who were available at follow-up (response rate 81.8%, 17% reported sexual initiation, without differences between females and males. Baseline smoking (age/sex adjusted odds ratio [aOR] 3.63, alcohol use (aOR 2.95, illegal drugs use (aOR 2.72, and poor sleep (aOR 1.71 predicted sexual initiation. Stratified analyses showed a particularly strong association in case of younger and female pupils, and, among girls, when initiation was reported together with multiple partners and/or infrequent condom use. Externalizing (i.e. conduct and hyperactivity symptoms independently predicted sexual initiation. Internalizing difficulties (i.e. emotional and peer problems were negatively associated with early and risky sexual initiation among boys

Framework for Evaluation of Equity Initiatives

Science.gov (United States)

Bexley, Emmaline; Harris, Kerri-Lee; James, Richard

2010-01-01

The Framework for Evaluation of Equity Initiatives has been prepared to support the Go8 Equity Strategy. Its purpose is to assist Group of Eight (Go8) universities to evaluate the effectiveness of their equity initiatives and interventions in the context of federal policies and the distinctive missions and responsibilities of the individual Go8…

Current Editorial Initiatives: A Progress Report

Directory of Open Access Journals (Sweden)

Werner Ulrich

2013-01-01

Full Text Available This editorial article reports on the progress that the Journal of Research Practice (JRP has achieved in its ongoing development since November 2011, when a number of editorial initiatives were announced. Several new initiatives are also proposed. In addition, there are some current announcements, including a number of recent awards, distinctions, and nominations.

75 FR 77935 - Patriot Express Pilot Loan Initiative

Science.gov (United States)

2010-12-14

... SMALL BUSINESS ADMINISTRATION Patriot Express Pilot Loan Initiative AGENCY: U.S. Small Business Administration (SBA). ACTION: Notice of extension of the Patriot Express Pilot Loan Initiative. SUMMARY: This notice extends the Patriot Express Pilot Loan Initiative in its current form through December 31, 2013...

Effect of adding B-vitamins to vitamin D and calcium supplementation on CpG methylation of epigenetic aging markers.

Science.gov (United States)

Obeid, R; Hübner, U; Bodis, M; Graeber, S; Geisel, J

2018-04-01

B-vitamins may influence DNA methylation. We studied the effects of vitamin D + Ca + B versus D + Ca on epigenetic age markers and biological age. Participants (mean ± SD of age = 68.4 ± 10.1 years) were randomized to receive 1200 IE vitamin D3 plus 800 mg Ca-carbonate alone (n = 31) or with 0.5 mg B9, 50 mg B6, and 0.5 mg B12 (n = 32). The CpG methylation of 3 genes (ASPA, ITGA2B, and PDE4C) and the changes in methylation were compared between the groups after 1 year. The changes of ASPA methylation from baseline were higher in the D + Ca + B than in the D + Ca group (1.40 ± 4.02 vs. -0.96 ± 5.12, respectively; p = 0.046, adjusted for age, sex, and baseline methylation). The changes in PDE4C from baseline were slightly higher in the D + Ca + B group (1.95 ± 3.57 vs. 0.22 ± 3.57; adjusted p = 0.062). Methylation of ITGA2B and its changes from baseline were not different between the intervention groups. Sex-adjusted odds ratio of accelerated aging (chronological age B compared with the D + Ca group. Accelerated aging in both groups was associated with younger age. In the D + Ca + B group, it was additionally associated with lower baseline homocysteine. Vitamin D + Ca + B and D + Ca differentially affected epigenetic age markers, although the effect size appeared to be small after 1 year. B-vitamins effect in young subjects with low homocysteine requires further investigation. ClinicalTrials.gov ID: NCT02586181. Copyright © 2018 The Italian Society of Diabetology, the Italian Society for the Study of Atherosclerosis, the Italian Society of Human Nutrition, and the Department of Clinical Medicine and Surgery, Federico II University. Published by Elsevier B.V. All rights reserved.

Applicability of initial stress measurement methods to Horonobe Siliceous rocks and initial stress state around Horonobe Underground Research Laboratory

International Nuclear Information System (INIS)

Sanada, Hiroyuki; Niunoya, Sumio; Matsui, Hiroya; Fujii, Yoshiaki

2009-01-01

Understanding initial stress condition in deep underground is important for such construction as rock cavern for geological disposal of HLW and underground power plant. Neogene sedimentary rock is widely distributed in Japan. There are only a few studies of initial stress measurement in Neogene sedimentary rock mass in Japan due to difficulty of measurement. Evaluation of initial stress condition around Horonobe Underground Research Laboratory Project was carried out in order to understand initial stress condition and applicability of AE, DSCA and hydraulic fracturing (HF) methods to Neogene sedimentary rock. Initial stress values obtained from AE method is smaller than overburden pressure due to time dependency of Kaizer effect. It would be difficult to use AE method as initial stress measurement method for Horonobe Siliceous rocks. Principal stress values by DSCA are similar to those by HF tests. Directions of maximum horizontal principal stresses are approximately in E-W and corresponded to HF results. In HF, rod type and wire-line type systems were compared. Workability of rod type was much better than wire-line type. However, re-opening pressure were not able to be precisely measured in case of rod type system due to the large compliance of the packers and rods. Horizontal maximum and minimum principal stresses increase linearly in HF results. Deviatoric stress is acting at shallow depth. Initial stress condition approaches hydrostatic condition with depth. Direction of maximum horizontal principal stress was in E-W direction which was similar to tectonic movement around Horonobe URL by triangular surveying. (author)

Semiclassical initial value approximation for Green's function.

Science.gov (United States)

Kay, Kenneth G

2010-06-28

A semiclassical initial value approximation is obtained for the energy-dependent Green's function. For a system with f degrees of freedom the Green's function expression has the form of a (2f-1)-dimensional integral over points on the energy surface and an integral over time along classical trajectories initiated from these points. This approximation is derived by requiring an integral ansatz for Green's function to reduce to Gutzwiller's semiclassical formula when the integrations are performed by the stationary phase method. A simpler approximation is also derived involving only an (f-1)-dimensional integral over momentum variables on a Poincare surface and an integral over time. The relationship between the present expressions and an earlier initial value approximation for energy eigenfunctions is explored. Numerical tests for two-dimensional systems indicate that good accuracy can be obtained from the initial value Green's function for calculations of autocorrelation spectra and time-independent wave functions. The relative advantages of initial value approximations for the energy-dependent Green's function and the time-dependent propagator are discussed.

[WHO Healthy City Initiative in Japan].

Science.gov (United States)

Yoshizawa, Kazuko

2013-01-01

City environmental conditions are associated with health outcomes in people living there. World Health Organization (WHO) initiated Healthy City in 1986. To promote the networking, Alliance for Healthy Cities (AFHC) was launched in 2003 with local offices including AFHC Japan. As of 2010, 26 cities are members of AFHC Japan. A questionnaire was sent to those member cities. It includes questions on why they became an AFHC member, which section is in charge of the initiatives, what factors are important for promotion, and others. Out of the 26 cities, 13 cities returned the completed questionnaire. As for factors important for promoting the initiatives, 10 (77%) out of the 13 cities answered "consciousness of residents", while five (38%) chose "budget". This result suggests that community participation is a more important factor than budget for promoting and succeeding in the initiatives. Aging is a problem in any of the member cities, and six cities out the 13 falls under the category of superaged society, which is defined as a society with the proportion of aged people cities (85%) agreed that bicycles are an alternative means of transportation to cars; however, infrastructure for ensuring safety needs further improvement. In the promotion of Healthy City, networking among the member cities in Japan and worldwide should be promoted. Community participation with empowerment from the planning stage should lead to sustainable initiatives. The function of AFHC in collaboration among the members should be strengthened to cope with the rapidly changing city environment.

The high-risk plaque initiative

DEFF Research Database (Denmark)

Falk, Erling; Sillesen, Henrik; Muntendam, Pieter

2011-01-01

The High-Risk Plaque (HRP) Initiative is a research and development effort to advance the understanding, recognition, and management of asymptomatic individuals at risk for a near-term atherothrombotic event such as myocardial infarction or stroke. Clinical studies using the newest technologies...... have been initiated, including the BioImage Study in which novel approaches are tested in a typical health plan population. Asymptomatic at-risk individuals were enrolled, including a survey-only group (n = 865), a group undergoing traditional risk factor scoring (n = 718), and a group in which all...

End-Stage Renal Disease (ESRD) Quality Initiative

Data.gov (United States)

U.S. Department of Health & Human Services — The End Stage Renal Disease (ESRD) Quality Initiative promotes ongoing CMS strategies to improve the quality of care provided to ESRD patients. This initiative...

The State of the NIH BRAIN Initiative.

Science.gov (United States)

Koroshetz, Walter; Gordon, Joshua; Adams, Amy; Beckel-Mitchener, Andrea; Churchill, James; Farber, Gregory; Freund, Michelle; Gnadt, Jim; Hsu, Nina; Langhals, Nicholas; Lisanby, Sarah; Liu, Guoying; Peng, Grace; Ramos, Khara; Steinmetz, Michael; Talley, Edmund; White, Samantha

2018-06-19

The BRAIN Initiative® arose from a grand challenge to "accelerate the development and application of new technologies that will enable researchers to produce dynamic pictures of the brain that show how individual brain cells and complex neural circuits interact at the speed of thought." The BRAIN Initiative is a public-private effort focused on the development and use of powerful tools for acquiring fundamental insights about how information processing occurs in the central nervous system. As the Initiative enters its fifth year, NIH has supported over 500 principal investigators, who have answered the Initiative's challenge via hundreds of publications describing novel tools, methods, and discoveries that address the Initiative's seven scientific priorities. We describe scientific advances produced by individual labs, multi-investigator teams, and entire consortia that, over the coming decades, will produce more comprehensive and dynamic maps of the brain, deepen our understanding of how circuit activity can produce a rich tapestry of behaviors, and lay the foundation for understanding how its circuitry is disrupted in brain disorders. Much more work remains to bring this vision to fruition, and NIH continues to look to the diverse scientific community, from mathematics, to physics, chemistry, engineering, neuroethics, and neuroscience, to ensure that the greatest scientific benefit arises from this unique research Initiative. Copyright © 2018 the authors.

16 CFR 5.65 - Review of initial decision.

Science.gov (United States)

2010-01-01

... 16 Commercial Practices 1 2010-01-01 2010-01-01 false Review of initial decision. 5.65 Section 5.65 Commercial Practices FEDERAL TRADE COMMISSION ORGANIZATION, PROCEDURES AND RULES OF PRACTICE... initial decision. Appeals from the initial decision of the Administrative Law Judge or review by the...

Energy efficiency initiatives: Indian experience

Energy Technology Data Exchange (ETDEWEB)

Dey, Dipankar [ICFAI Business School, Kolkata, (IBS-K) (India)

2007-07-01

India, with a population of over 1.10 billion is one of the fastest growing economies of the world. As domestic sources of different conventional commercial energy are drying up, dependence on foreign energy sources is increasing. There exists a huge potential for saving energy in India. After the first 'oil shock' (1973), the government of India realized the need for conservation of energy and a 'Petroleum Conservation Action Group' was formed in 1976. Since then many initiatives aiming at energy conservation and improving energy efficiency, have been undertaken (the establishment of Petroleum Conservation Research Association in 1978; the notification of Eco labelling scheme in 1991; the formation of Bureau of Energy Efficiency in 2002). But no such initiative was successful. In this paper an attempt has been made to analyze the changing importance of energy conservation/efficiency measures which have been initiated in India between 1970 and 2005.The present study tries to analyze the limitations and the reasons of failure of those initiatives. The probable reasons are: fuel pricing mechanism (including subsidies), political factors, corruption and unethical practices, influence of oil and related industry lobbies - both internal and external, the economic situation and the prolonged protection of domestic industries. Further, as India is opening its economy, the study explores the opportunities that the globally competitive market would offer to improve the overall energy efficiency of the economy. The study suggests that the Bureau of Energy Efficiency (BEE) - the newly formed nodal agency for improving energy efficiency of the economy may be made an autonomous institution where intervention from the politicians would be very low. For proper implementation of different initiatives to improve energy efficiency, BEE should involve more the civil societies (NGO) from the inception to the implementation stage of the programs. The paper also

Initial conformation of kinesin's neck linker

International Nuclear Information System (INIS)

Geng Yi-Zhao; Yan Shi-Wei; Ji Qing; Liu Shu-Xia

2014-01-01

How ATP binding initiates the docking process of kinesin's neck linker is a key question in understanding kinesin mechanisms. By exploiting a molecular dynamics method, we investigate the initial conformation of kinesin's neck linker in its docking process. We find that, in the initial conformation, the neck linker has interactions with β0 and forms a ‘cover-neck bundle’ structure with β0. From this initial structure, the formation of extra turns and the docking of the cover-neck bundle structure can be achieved. The motor head provides a forward force on the initial cover-neck bundle structure through ATP-induced rotation. This force, together with the hydrophobic interaction of ILE327 with the hydrophobic pocket on the motor head, drives the formation of the extra turn and initiates the neck linker docking process. Based on these findings, a pathway from ATP binding-induced motor head rotation to neck linker docking is proposed. (interdisciplinary physics and related areas of science and technology)

Sustaining Participatory Design Initiatives

DEFF Research Database (Denmark)

Iversen, Ole Sejer; Dindler, Christian

2014-01-01

While many participatory design (PD) projects succeed in establishing new organisational initiatives or creating technology that is attuned to the people affected, the issue of how such results are sustained after the project ends remains an important challenge. We explore the challenge...... these various forms of sustainability may be pursued in PD practice and how they can become a resource in reflecting on PD activities. Finally, we discuss implications for PD practice, suggesting that a nuanced conception of sustainability and how it may relate to PD practice are useful resources for designers...... of sustaining PD initiatives beyond the individual project and discuss implications for PD practice. First, based on current PD literature, we distinguish between four ideal typical forms of sustainability: maintaining, scaling, replicating and evolving. Second, we demonstrate from a case study how...

Initialization Errors in Quantum Data Base Recall

OpenAIRE

Natu, Kalyani

2016-01-01

This paper analyzes the relationship between initialization error and recall of a specific memory in the Grover algorithm for quantum database search. It is shown that the correct memory is obtained with high probability even when the initial state is far removed from the correct one. The analysis is done by relating the variance of error in the initial state to the recovery of the correct memory and the surprising result is obtained that the relationship between the two is essentially linear.

5 CFR 9701.372 - Creating initial pay ranges.

Science.gov (United States)

2010-01-01

... 5 Administrative Personnel 3 2010-01-01 2010-01-01 false Creating initial pay ranges. 9701.372... HUMAN RESOURCES MANAGEMENT SYSTEM Pay and Pay Administration Transitional Provisions § 9701.372 Creating initial pay ranges. (a) DHS must, after coordination with OPM, set the initial band rate ranges for the...

RAS Initiative - Community Outreach

Science.gov (United States)

Through community and technical collaborations, workshops and symposia, and the distribution of reference reagents, the RAS Initiative seeks to increase the sharing of knowledge and resources essential to defeating cancers caused by mutant RAS genes.

Industry's Commercial Initiatives on ISS

Science.gov (United States)

Shields, C. E.; Kessler, C.; Lavitola, M. S.

2002-01-01

For more than ten years, private industry has worked to develop a commercial human space market and to create a sustainable ISS commercial utilization customer base. Before ISS assembly was underway - and long before NASA and the international space agencies began to craft ISS commercial business terms and conditions - industry planted and nurtured the seeds of interest in exploiting human space utilization for commerce. These early initiatives have yielded the impetus and framework for industry approaches to ISS commercial utilization today and for NASA's and the International Partners' planned accommodation of private sector interests and desires on the ISS. This paper chronicles major industry initiatives for commercial ISS utilization, emphasizing successful marketing and business approaches and why these approaches have a higher likelihood of success than others. It provides an overview of individual companies' initiatives, as well as collaborative efforts that cross company lines and country borders; and it assesses the relative success of each. Rather than emphasize negative issues and barriers, this paper characterizes and prioritizes actionable success factors for industry and government to make ISS commercial utilization a sustainable reality.

P1 plasmid replication: initiator sequestration is inadequate to explain control by initiator-binding sites.

OpenAIRE

Pal, S K; Chattoraj, D K

1988-01-01

The unit-copy plasmid replicon mini-P1 consists of an origin, a gene for an initiator protein, RepA, and a control locus, incA. Both the origin and the incA locus contain repeat sequences that bind RepA. It has been proposed that the incA repeats control replication by sequestering the rate-limiting RepA initiator protein. Here we show that when the concentration of RepA was increased about fourfold beyond its normal physiological level from an inducible source in trans, the copy number of a ...

Basic concepts of automation and mechatronics with LEGO mindstorms NXT

Directory of Open Access Journals (Sweden)

Matijević Milan S.

2014-01-01

Full Text Available Mindstorsms LEGO NXT is using in engineering education at well recognized engineering schools like RWTH Aachen University where is created the RWTH - Mindstorms NXT Toolbox for Matlab. MATLAB / Simulink is widely available and popular for students around the world, but software toolboxes which are required for work with the real time systems are too expensive for the universities, especially those in developing countries. This paper describes an approach that is currently used in introductory subjects in the field of automation and mechatronics at the University of Kragujevac, and that does not require expensive software support.

Lube-oil dilution of gasoline direct-injection engines with ethanol fuels; Schmieroelverduennung von direkteinspritzenden Ottomotoren unter Kaltstartrandbedingungen

Energy Technology Data Exchange (ETDEWEB)

Kuepper, Carsten; Pischinger, Stefan [RWTH Aachen Univ. (Germany). Lehrstuhl fuer Verbrennungskraftmaschinen (VKA); Artmann, Chrsitina; Rabl, Hans-Peter [Hochschule Regensburg (Germany). Labor fuer Verbrennungsmotoren und Abgasnachbehandlung

2013-09-15

Ethanol fuel mixtures account for the majority of biofuels used worldwide. However, their properties make these fuels more difficult to use in cold conditions and especially when starting a cold engine. As part of the FVV research project 'Lubricant Dilution with Ethanol Fuels under Cold Start Conditions', the Institute for Combustion Engines (VKA) at RWTH Aachen University and the Combustion Engines and Emission Control Laboratory at Regensburg University of Applied Sciences have investigated the influence of the ethanol content in fuels on the dilution of the lubricating oil in modern direct-injection gasoline engines. (orig.)

Radiation research and therapy in context of Agenda 21

International Nuclear Information System (INIS)

Michailov, M.Ch.; Neu, E.; Seidenbusch, W.; Weiss, D.G.; Zoepfl, H.

2003-01-01

Full text: An evaluation of scientific contribution concerning modern oncotherapies and basic research in context of Agenda 21 of UN is given, which demands better education, health and research. Conferences about intraoperative radiotherapy (IORT) were held in Munich 1992, Lyon 1994, San Francisco 1996, Pamplona 1998, Boston 2000, Aachen 2002. Large discrepancies are evident in the oncological research (IORT, TT, PT) including basic disciplines (biophysics, physiology, radiation) between industrial and developing countries. A global realization of Agenda 21 could be essentially supported via foundation of international institutions (universities, hospitals for radiology, etc.) in all countries. Information: ICSD POB 340316, 80100 Muenchen, Germany

Electric power supply in China. Pt. 1

International Nuclear Information System (INIS)

Chen Heng

1987-01-01

Professor Chen, visiting professor at the RWTH Aachen, gave several lectures dealing with his country, the electric power supply in China and with special research activities of Chinese scientists. This article is based on two of his lectures, and will be published in two parts, the first of which provides a brief description of China, an overview on electric power supply, and a brief description of the large power plants and large electrical subsystems. The second part will deal with operation planning, extension planning as well as with research and development in the field of electric energy supply. (orig.) [de

Standardisation of HV systems. A power electronics perspective; Standardisierung von HV-Bordnetzen aus Sicht der Leistungselektronik

Energy Technology Data Exchange (ETDEWEB)

Doncker, Rik W. de; Kowal, Maurice; Biskoping, Matthias [RWTH Aachen (DE). Inst. fuer Stromrichtertechnik und Elektrische Antriebe (ISEA)

2012-04-15

With regard to the first generations of plug-in hybrid and electric vehicles, the following opinion has triggered controversy: components and systems must not be standardised too early. Some contend that this would suppress a necessary climate of competition and creativity. others maintain that this would intensify cost pressures and delay a market breakthrough; they propose how costs could be reduced by means of standards and alternatives. Moreover, the often criticised safety issues can be improved. Some proposals following this direction stem from, among others, the Institute for Power Electronics and Electrical Drives (ISEA) at RWTH Aachen University. (orig.)

Assembly of Drift Tubes (DT) Chambers at CIEMAT (Madrid)

CERN Multimedia

Jesus Puerta-Pelayo

2003-01-01

The construction of muon drift tube chambers (DT) has been carried out in four different european institutes: Aachen (Germany), CIEMAT-Madrid (Spain), Legnaro and Turin (Italy), all of them following similar procedures and quality tests. Each chamber is composed by three or two independent units called superlayers, with four layers of staggered drift cells each. The assembly of a superlayer is a succesive glueing of aluminium plates and I-beams with electrodes previously attached, forming a rectangular and gas-tight volume. These pictures illustrate the various processes of material preparation, construction, equipment and assembly of full chambers at CIEMAT (Madrid).

The usages of JOIN2 authority records

CERN Multimedia

CERN. Geneva; Thiele, Robert

2017-01-01

An important base of the common JOIN2 repository infrastructure of DESY, DKFZ, FZJ, GSI, MLZ and RWTH Aachen are about 134 000 authority records for grants, projects, large-scale infrastructures, cooperations, journals, and different kinds of keys. All instances are using the authorities together. We will present how these authority data are used for different purposes e.g. the recent and upcoming obligations to report to regard to our funding and the data export to openAire. Furthermore, we discuss this in dependence to the German “Kerndatensatz Forschung”, which will be the new standard for future.

Caesarean section delivery and breastfeeding initiation at the ...

African Journals Online (AJOL)

Background: Caesarean section (CS) presents a challenge for early breastfeeding of the newborn infant. It is expected that with the Baby Friendly Hospital Initiative (BFHI), mothers who deliver by CS can be helped to initiate breastfeeding early. Objectives: This study aims to determine the time of initiation of breastfeeding in ...

Russian Initiatives in Internet Governance

Directory of Open Access Journals (Sweden)

Sergey Sergeevich Shirin

2014-01-01

Full Text Available The article is devoted to the research of Russian initiatives concerning its participation in international system of Internet governance. In the research, conceptual and theoretic basis for participation of state governments in Internet governance is given, academic discourse of this issue is assessed, the review of main Russian initiatives made from 2005 (since the second stage of the World Summit on Information Society till the present day is carried out. The conclusion is made that the most successful Internet governance initiative of Russia is the implementation of cyrillic top level domains. Much less successful are Russian attempts to reconstruct existing organizational structure of Internet governance. Russian policy is assessed as a policy of preferring loud statements and PR rather than real influence on development of Internet technologies. Russia consideres Internet as political resource and tries to increase its influence on decision making process on a political, not operational level of Internet governance. The author states that federal government of the United States of America has fully lost the control on the domain name systems. These functions are going to be given to the private sector, while ICANN, which was established according to the Memorandum of Understanding/Joint Project Agreement with U.S. Department of Commerce, is becoming a truly independent international organization. Considering this, the author comes to the conclusion that political transformations for the sake of Russia are already made. He also forecast that next initiatives of Russia will be directed to the segmentation of the Internet.

Play Initiating Behaviors and Responses in Red Colobus Monkeys

Science.gov (United States)

Worch, Eric A.

2012-01-01

Red colobus monkeys are playful primates, making them an important species in which to study animal play. The author examines play behaviors and responses in the species for its play initiation events, age differences in initiating frequency and initiating behavior, and the types of social play that result from specific initiating behaviors. Out…

Correlates of sexual initiation among European adolescents

Science.gov (United States)

Carli, Vladimir; Hadlaczky, Gergö; Sarchiapone, Marco; Apter, Alan; Balazs, Judit; Banzer, Raphaela; Bobes, Julio; Brunner, Romuald; Cosman, Doina; Farkas, Luca; Haring, Christian; Hoven, Christina W.; Kaess, Michael; Kahn, Jean Pierre; McMahon, Elaine; Postuvan, Vita; Sisask, Merike; Värnik, Airi; Zadravec Sedivy, Nusa; Wasserman, Danuta

2018-01-01

Background Sexuality is a physiological component of adolescent development, though early initiation is associated with reproductive health risk. This study aimed at identifying correlates and predictors of sexual initiation in a large multinational cohort of European adolescents. Methods A questionnaire addressing socio-demographics, behaviours, mental health and sexual activity, was delivered to 11,110 adolescents recruited from 168 randomly selected schools in 10 European countries between 2009 and 2011. A follow-up questionnaire was delivered after 12 months. The longitudinal association of baseline risk behaviors, psychological attributes and contextual vulnerabilities, with sexual initiation during follow-up was evaluated through simple and multivariable age/sex stratified logistic regression. Multinomial logistic regression measured the association between predictors and sexual initiation with or without coexisting reproductive risk factors, such as multiple partners or infrequent condom use. Results Baseline sexual experience was reported by 19.2% of 10,757 respondents (median age 15; IQR 14–15; females 59.6%). This was significantly more frequent among pupils older than 15 (41%) and males (20.8%). Of 7,111 pupils without previous experience who were available at follow-up (response rate 81.8%), 17% reported sexual initiation, without differences between females and males. Baseline smoking (age/sex adjusted odds ratio [aOR] 3.63), alcohol use (aOR 2.95), illegal drugs use (aOR 2.72), and poor sleep (aOR 1.71) predicted sexual initiation. Stratified analyses showed a particularly strong association in case of younger and female pupils, and, among girls, when initiation was reported together with multiple partners and/or infrequent condom use. Externalizing (i.e. conduct and hyperactivity) symptoms independently predicted sexual initiation. Internalizing difficulties (i.e. emotional and peer problems) were negatively associated with early and risky sexual

42 CFR 417.930 - Initial costs of operation.

Science.gov (United States)

2010-10-01

... 42 Public Health 3 2010-10-01 2010-10-01 false Initial costs of operation. 417.930 Section 417.930... PREPAYMENT PLANS Administration of Outstanding Loans and Loan Guarantees § 417.930 Initial costs of operation. Under section 1305 of the PHS, loans and loan guarantees were awarded for initial costs of operation of...

Health professionals' attitudes towards suicide prevention initiatives.

Science.gov (United States)

Brunero, S; Smith, J; Bates, E; Fairbrother, G

2008-09-01

Preventing suicide can depend upon the ability of a range of different health professionals to make accurate suicide risk assessments and treatment plans. The attitudes that clinicians hold towards suicide prevention initiatives may influence their suicide risk assessment and management skills. This study measures a group of non-mental health professionals' attitude towards suicide prevention initiatives. Health professionals that had attended suicide prevention education showed significantly more positive attitudes towards suicide prevention initiatives. The findings in this study further support the effectiveness of educating non-mental health professionals in suicide risk awareness and management.

Project Lifescape | Initiatives | Indian Academy of Sciences

Indian Academy of Sciences (India)

This project is part of the Academy initiative to enhance the quality of science education. It is pursued in ... database through a website. Project Lifescape has also initiated work using some Indian languages. ... and Outreach. Math and Finance ...

Initial value formulation for the spherically symmetric dust solution

International Nuclear Information System (INIS)

Liu, H.

1990-01-01

An initial value formulation for the dust solution with spherical symmetry is given explicitly in which the initial distributions of dust and its velocity on an initial surface are chosen to be the initial data. As special cases, the Friedmann universe, the Schwarzschild solution in comoving coordinates, and a spherically symmetric and radially inhomogeneous cosmological model are derived

Can community change be measured for an outcomes-based initiative? A comparative case study of the success by 6 initiative.

Science.gov (United States)

Minich, Lisa; Howe, Steven; Langmeyer, Daniel; Corcoran, Kevin

2006-12-01

One of the challenges facing nonprofit organizations today is the demand for measurable results. Increasingly, these organizations are focusing less on program outputs and program outcomes in favor of community outcomes or changes demonstrated in the larger community. Success by 6(R) is a popular United Way initiative that emphasizes defining and measuring community outcomes. In this paper, we describe our work with 24 Success by 6(R) initiatives around the country. It is clear that not all of these initiatives are measuring community outcomes. Of those initiatives that are experiencing some success measuring community outcomes, similar measurement strategies are reported. Additionally, our experience suggests several United Way employees express dissatisfaction with the logic model as a framework for defining and measuring community outcomes although no preferred alternative model is identified. Evaluators working with community-wide initiatives must find ways to communicate the differences between program and community outcomes to key stakeholders and funders.

Surface Warfare Officers Initial Training For Future Success

Science.gov (United States)

2018-03-01

9 A school is initial rating specific technical training that is given to sailors. 14 Figure 4. Less...NAVAL POSTGRADUATE SCHOOL MONTEREY, CALIFORNIA MBA PROFESSIONAL REPORT SURFACE WARFARE OFFICERS— INITIAL TRAINING FOR FUTURE SUCCESS March 2018...professional report 4. TITLE AND SUBTITLE SURFACE WARFARE OFFICERS—INITIAL TRAINING FOR FUTURE SUCCESS 5. FUNDING NUMBERS 6. AUTHOR(S) Arron J

European initiatives in postgraduate education in gerontology

NARCIS (Netherlands)

van Rijsselt, R.J.T.; Parkatti, T.; Troisi, J.

2007-01-01

This paper describes three innovative European initiatives in postgraduate education in gerontology. The first is the European Masters Program in Gerontology (EuMaG), developed as an interdisciplinary joint program, supported and delivered by 22 European universities. Second, the Nordplus initiative

Сoncept of national legislative initiative and its types

Directory of Open Access Journals (Sweden)

А. Л. Крутько

2015-11-01

Full Text Available . National legislative initiative is a new instrument of popular wills demonstration as compared to different forms of direct democracy. In most of developed democracies this institution regulated at the constitutional/ legislative level. But in the modern Ukraine its constitutional legal regulation is absent, due disregard of its possibilities and lack of understanding of its essence. Paper objective. This article an aim is to analyze in details the definition of «national legislative initiative» and determinate its basic types according to theoretical insights and foreign current law. Recent research and publications analysis. The domestic and foreign scholars works on scientific research of national legislative initiative institution such as V.N. Rudenko, O.M. Mudra, V.M. Shapoval, V.F. Nesterovich, J. F. Zimmerman and etc. Their works were foundational at the time of writing. Paper main body. With the help of big definition dictionary and new encyclopedic dictionary it was found the etymology of the concept «initiative» which is characterized as the basis, also found meaning of «legislative initiative», «national initiative» and «national legislative initiative». It was argued impossibility an identification of «national initiative» with «national legislative initiative». The current definitions of the national legislative initiative were analyzed in the article. It was noted that suggested terms were limited only by identification of institute’s apparent indicator and withhold essence. This is precisely why four types of the national legislative initiative’s realization are briefly examined for the complex determination of the definition. These types depending on what role the legislator are assigning to citizen, who are the main actors of initiative. And on the basis of this analysis the author provided his own definition of «the national legislative initiative». The author had notes that the proposed definition was not

Modeling of laser damage initiated by surface contamination

International Nuclear Information System (INIS)

Feit, M.D.; Rubenchik, A.M.; Faux, D.R.; Riddle, R.A.; Shapiro, A.; Eder, D.C.; Penetrante, B.M.; Milam, D.; Genin, F.Y.; Kozlowski, M.R.

1996-11-01

The authors are engaged in a comprehensive effort to understand and model the initiation and growth of laser damage initiated by surface contaminants. This includes, for example, the initial absorption by the contaminant, heating and plasma generation, pressure and thermal loading of the transparent substrate, and subsequent shockwave propagation, 'splashing' of molten material and possible spallation, optical propagation and scattering, and treatment of material fracture. The integration use of large radiation hydrodynamics codes, optical propagation codes and material strength codes enables a comprehensive view of the damage process The following picture of surface contaminant initiated laser damage is emerging from our simulations

Successful integration of ergonomics into continuous improvement initiatives.

Science.gov (United States)

Monroe, Kimberly; Fick, Faye; Joshi, Madina

2012-01-01

Process improvement initiatives are receiving renewed attention by large corporations as they attempt to reduce manufacturing costs and stay competitive in the global marketplace. These initiatives include 5S, Six Sigma, and Lean. These programs often take up a large amount of available time and budget resources. More often than not, existing ergonomics processes are considered separate initiatives by upper management and struggle to gain a seat at the table. To effectively maintain their programs, ergonomics program managers need to overcome those obstacles and demonstrate how ergonomics initiatives are a natural fit with continuous improvement philosophies.

Initial States: IR and Collinear Divergences

International Nuclear Information System (INIS)

Lavelle, Martin; McMullan, David

2007-01-01

The standard approach to the infra-red problem is to use the Bloch-Nordsieck trick to handle soft divergences and the Lee-Nauenberg (LN) theorem for collinear singularities. We show that this is inconsistent in the presence of massless initial particles. Furthermore, we show that using the LN theorem with such initial states introduces a non-convergent infinite series of diagrams at any fixed order in perturbation theory

Science Granting Councils Initiative: Research uptake | CRDI ...

International Development Research Centre (IDRC) Digital Library (Canada)

The initiative's activities include training, regional exchanges and forums, online training, on-site coaching, and collaborative research. The initiative was developed jointly by IDRC, the United Kingdom's Department for International Development, and South Africa's National Research Foundation. Its ultimate goal is ...

76 FR 47240 - ``Add Us In'' Initiative

Science.gov (United States)

2011-08-04

... DEPARTMENT OF LABOR Office of Disability Employment Policy ``Add Us In'' Initiative AGENCY: Office of Disability Employment Policy, Department of Labor. Announcement Type: New Notice of Availability... Add Us In initiative is to identify and develop strategies to increase the capacity of small...

Web Content Analysis On Sustainable Campus Operation (SCO Initiatives

Directory of Open Access Journals (Sweden)

Razman Ruzaimah

2017-01-01

Full Text Available The purpose of this paper is to identify and analyse the current practices implemented in global universities for achieving sustainability throughout campus operations. This study adopted a web content analysis method where 30 international green universities’ websites have been thoroughly examined to identify common initiatives implemented to achieve sustainability through campus operations. The findings are ranked based on the implementation of these initiatives by participating universities. From the websites reviewed, as much as 31 initiatives have been identified as common initiatives frequently implemented by green universities to achieve sustainability in campus operations. It was found that the common initiatives frequently implemented by most of the universities include ‘Provide bin with clearly marked signs to increase the number of recycling items’, and ‘Generate electricity on campus by establishing power generation plants’ with 87% and 83% respectively. This paper fills the gap by presenting the investigation of sustainability initiatives from some of the major green universities internationally. It is suggested that higher education institutions, particularly Malaysian universities, initiate or manage their implementation of sustainable campus operation (SCO initiatives based on the findings of this research.

75 FR 49510 - Credit Watch Termination Initiative

Science.gov (United States)

2010-08-13

... DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT [Docket No. FR-5411-N-02] Credit Watch Termination Initiative AGENCY: Office of the Assistant Secretary for Housing--Federal Housing Commissioner, HUD. ACTION... FHA Credit Watch Termination Initiative. This notice includes a list of mortgagees which have had...

75 FR 17944 - Credit Watch Termination Initiative

Science.gov (United States)

2010-04-08

... DEPARTMENT OF HOUSING AND URBAN DEVELOPMENT [Docket No. FR-5411-N-01] Credit Watch Termination Initiative AGENCY: Office of the Assistant Secretary for Housing--Federal Housing Commissioner, HUD. ACTION... FHA Credit Watch Termination Initiative. This notice includes a list of mortgagees which have had...

24 CFR 220.801 - Initial insurance endorsement.

Science.gov (United States)

2010-04-01

... 24 Housing and Urban Development 2 2010-04-01 2010-04-01 false Initial insurance endorsement. 220.801 Section 220.801 Housing and Urban Development Regulations Relating to Housing and Urban... AREAS Contract Rights and Obligations-Projects Insured Project Improvement Loans § 220.801 Initial...

The Trilateral Initiative: The Legal Framework

International Nuclear Information System (INIS)

Rockwood, L.

2015-01-01

The Trilateral Initiative was a six-year effort undertaken by the IAEA, the United States and the Russian Federation between 1996 to 2002 to identify verification arrangements and technologies for IAEA verification of classified forms of Pu and HEU from nuclear warheads or components. As part of that Initiative, between 1999 and 2001, the parties succeeded in negotiating a model agreement for such verification (the Model Agreement). Although the Trilateral Initiative ended in 2002, the Model Agreement produced as a result of those negotiations could still serve as the basis for bilateral agreements between the IAEA and nuclear-weapon States wishing to demonstrate, in a verifiable manner, the release of weapon origin and other fissile material from defence programmes. This presentation will describe the legal framework for the Model Agreement and the major issues addressed during its negotiation

Report of Committee for JAEA Internationalization Initiative

International Nuclear Information System (INIS)

2013-03-01

In global circumstances surrounding nuclear energy, the role expected to Japan Atomic Energy Agency (JAEA) is becoming increasingly important. JAEA has been promoted an initiative for the international hub in order to increase the scientific competitiveness of Japan and make international contributions, by gathering excellent researchers from the entire world with the latest facilities. Also, JAEA established 'Committee for JAEA Internationalization Initiative', which will discuss issues such as environmental improvement for accepted foreigners, direction of efforts for internationalization initiative and strategies to improve current situation. This report mentions the results of the committee's discussion including current issues for the initiative and recommendations for their solution, as well as the issues to be discussed in order to enhance international awareness of JAEA staff. The following is the summary of the recommendations for the initiative: Set up local teams that focus on the situation of each site in order to provide detailed support for foreigners from diversified backgrounds. Develop systems for emergency situations to provide information for safety swiftly for foreigners and confirm their safety, in addition to preparing emergency goods. Prepare bilingual documents and systems that foreigners need to use for their work based on importance and frequency of use of such systems and documents. (author)

Crack initiation under generalized plane strain conditions

International Nuclear Information System (INIS)

Shum, D.K.M.; Merkle, J.G.

1991-01-01

A method for estimating the decrease in crack-initiation toughness, from a reference plane strain value, due to positive straining along the crack front of a circumferential flaw in a reactor pressure vessel is presented in this study. This method relates crack initiation under generalized plane strain conditions with material failure at points within a distance of a few crack-tip-opening displacements ahead of a crack front, and involves the formulation of a micromechanical crack-initiation model. While this study is intended to address concerns regarding the effects of positive out-of- plane straining on ductile crack initiation, the approach adopted in this work can be extended in a straightforward fashion to examine conditions of macroscopic cleavage crack initiation. Provided single- parameter dominance of near-tip fields exists in the flawed structure, results from this study could be used to examine the appropriateness of applying plane strain fracture toughness to the evaluation of circumferential flaws, in particular to those in ring-forged vessels which have no longitudinal welds. In addition, results from this study could also be applied toward the analysis of the effects of thermal streaming on the fracture resistance of circumferentially oriented flaws in a pressure vessel. 37 refs., 8 figs., 1 tab

Global peatland initiation driven by regionally asynchronous warming.

Science.gov (United States)

Morris, Paul J; Swindles, Graeme T; Valdes, Paul J; Ivanovic, Ruza F; Gregoire, Lauren J; Smith, Mark W; Tarasov, Lev; Haywood, Alan M; Bacon, Karen L

2018-05-08

Widespread establishment of peatlands since the Last Glacial Maximum represents the activation of a globally important carbon sink, but the drivers of peat initiation are unclear. The role of climate in peat initiation is particularly poorly understood. We used a general circulation model to simulate local changes in climate during the initiation of 1,097 peatlands around the world. We find that peat initiation in deglaciated landscapes in both hemispheres was driven primarily by warming growing seasons, likely through enhanced plant productivity, rather than by any increase in effective precipitation. In Western Siberia, which remained ice-free throughout the last glacial period, the initiation of the world's largest peatland complex was globally unique in that it was triggered by an increase in effective precipitation that inhibited soil respiration and allowed wetland plant communities to establish. Peat initiation in the tropics was only weakly related to climate change, and appears to have been driven primarily by nonclimatic mechanisms such as waterlogging due to tectonic subsidence. Our findings shed light on the genesis and Holocene climate space of one of the world's most carbon-dense ecosystem types, with implications for understanding trajectories of ecological change under changing future climates.

Quantum interference induced by initial system–environment correlations

International Nuclear Information System (INIS)

Man, Zhong-Xiao; Smirne, Andrea; Xia, Yun-Jie; Vacchini, Bassano

2012-01-01

We investigate the quantum interference induced by a relative phase in the correlated initial state of a system which consists in a two-level atom interacting with a damped mode of the radiation field. We show that the initial relative phase has significant effects on both the evolution of the atomic excited-state population and the information flow between the atom and the reservoir, as quantified by the trace distance. Furthermore, by considering two two-level atoms interacting with a common damped mode of the radiation field, we highlight how initial relative phases can affect the subsequent entanglement dynamics. -- Highlights: ► We study the effect of initial correlations in system–bath excitation transfer. ► We study the information flow from the bath to the system via the trace distance. ► We show how entanglement dynamics can be controlled via initial relative phases.

Ductile crack initiation in the Charpy V-notch test

International Nuclear Information System (INIS)

Server, W.L.; Norris, D.M. Jr.; Prado, M.E.

1978-01-01

Initiation and growth of a crack in the Charpy V-notch test was investigated by performing both static and impact controlled deflection tests. Test specimens were deformed to various deflections, heat-tinted to mark crack extension and broken apart at low temperature to allow extension measurements. Measurement of the crack extension provided an estimate of crack initiation as defined by different criteria. Crack initiation starts well before maximum load, and is dependent on the definition of ''initiation''. Using a definition of first micro-initiation away from the ductile blunting, computer model predictions agreed favorably with the experimental results

Inhomogeneous inflation: The initial-value problem

International Nuclear Information System (INIS)

Laguna, P.; Kurki-Suonio, H.; Matzner, R.A.

1991-01-01

We present a spatially three-dimensional study for solving the initial-value problem in general relativity for inhomogeneous cosmologies. We use York's conformal approach to solve the constraint equations of Einstein's field equations for scalar field sources and find the initial data which will be used in the evolution. This work constitutes the first stage in the development of a code to analyze the effects of matter and spacetime inhomogeneities on inflation

Unraveling networked learning initiatives: an analytic framework

NARCIS (Netherlands)

Rusman, Ellen; Prinsen, Fleur; Vermeulen, Marjan

2016-01-01

Networked learning happens naturally within the social systems of which we are all part. However, in certain circumstances individuals may want to actively take initiative to initiate interaction with others they are not yet regularly in exchange with. This may be the case when external influences

Augmenting Probabilistic Risk Assesment with Malevolent Initiators

International Nuclear Information System (INIS)

Smith, Curtis; Schwieder, David

2011-01-01

As commonly practiced, the use of probabilistic risk assessment (PRA) in nuclear power plants only considers accident initiators such as natural hazards, equipment failures, and human error. Malevolent initiators are ignored in PRA, but are considered the domain of physical security, which uses vulnerability assessment based on an officially specified threat (design basis threat). This paper explores the implications of augmenting and extending existing PRA models by considering new and modified scenarios resulting from malevolent initiators. Teaming the augmented PRA models with conventional vulnerability assessments can cost-effectively enhance security of a nuclear power plant. This methodology is useful for operating plants, as well as in the design of new plants. For the methodology, we have proposed an approach that builds on and extends the practice of PRA for nuclear power plants for security-related issues. Rather than only considering 'random' failures, we demonstrated a framework that is able to represent and model malevolent initiating events and associated plant impacts.

European Initiatives in Postgraduate Education in Gerontology

Science.gov (United States)

van Rijsselt, Rene J. T.; Parkatti, Terttu; Troisi, Joseph

2007-01-01

This paper describes three innovative European initiatives in postgraduate education in gerontology. The first is the European Masters Program in Gerontology (EuMaG), developed as an interdisciplinary joint program, supported and delivered by 22 European universities. Second, the Nordplus initiative to increase mobility of students and staff in…

Implementing Patient Safety Initiatives in Rural Hospitals

Science.gov (United States)

Klingner, Jill; Moscovice, Ira; Tupper, Judith; Coburn, Andrew; Wakefield, Mary

2009-01-01

Implementation of patient safety initiatives can be costly in time and energy. Because of small volumes and limited resources, rural hospitals often are not included in nationally driven patient safety initiatives. This article describes the Tennessee Rural Hospital Patient Safety Demonstration project, whose goal was to strengthen capacity for…

View all initiatives | IDRC - International Development Research ...

International Development Research Centre (IDRC) Digital Library (Canada)

View all initiatives. You are looking at projects supported by The William and Flora Hewlett Foundation. Displaying 1 - 2 of 2. Growth and Economic Opportunities for Women. Initiative. Women around the world increasingly participate in economic activities, but they continue to face significant challenges in pursuing better ...

Movement initiation in groups of feral horses

NARCIS (Netherlands)

Krueger, Konstanze; Flauger, Birgit; Farmer, Kate; Hemelrijk, Charlotte

Herds of ungulates, flocks of birds, swarms of insects and schools of fish move in coordinated groups. Computer models show that only one or very few animals are needed to initiate and direct movement. To investigate initiation mechanisms further, we studied two ways in which movement can be

Institutional Support : Agricultural and Rural Forecasting Initiative ...

International Development Research Centre (IDRC) Digital Library (Canada)

Initiative Prospective Agricole et Rural (IPAR), Sénégal, began in 2004 and was formally registered in October 2008 as an independent, nonprofit research organization. The Initiative is committed to promoting dialogue and informing debate between policymakers, researchers and research users in the areas of agriculture, ...

ATMOSPHERIC CIRCULATION OF HOT JUPITERS: INSENSITIVITY TO INITIAL CONDITIONS

International Nuclear Information System (INIS)

Liu Beibei; Showman, Adam P.

2013-01-01

The ongoing characterization of hot Jupiters has motivated a variety of circulation models of their atmospheres. Such models must be integrated starting from an assumed initial state, which is typically taken to be a wind-free, rest state. Here, we investigate the sensitivity of hot-Jupiter atmospheric circulation to initial conditions with shallow-water models and full three-dimensional models. Those models are initialized with zonal jets, and we explore a variety of different initial jet profiles. We demonstrate that, in both classes of models, the final, equilibrated state is independent of initial condition—as long as frictional drag near the bottom of the domain and/or interaction with a specified planetary interior are included so that the atmosphere can adjust angular momentum over time relative to the interior. When such mechanisms are included, otherwise identical models initialized with vastly different initial conditions all converge to the same statistical steady state. In some cases, the models exhibit modest time variability; this variability results in random fluctuations about the statistical steady state, but we emphasize that, even in these cases, the statistical steady state itself does not depend on initial conditions. Although the outcome of hot-Jupiter circulation models depend on details of the radiative forcing and frictional drag, aspects of which remain uncertain, we conclude that the specification of initial conditions is not a source of uncertainty, at least over the parameter range explored in most current models.

Initial state with shear in peripheral heavy ion collisions

Science.gov (United States)

Magas, V. K.; Gordillo, J.; Strottman, D.; Xie, Y. L.; Csernai, L. P.

2018-06-01

In the present work we propose a new way of constructing the initial state for further hydrodynamic simulation of relativistic heavy ion collisions based on Bjorken-like solution applied streak by streak in the transverse plane. Previous fluid dynamical calculations in Cartesian coordinates with an initial state based on a streak by streak Yang-Mills field led for peripheral higher energy collisions to large angular momentum, initial shear flow and significant local vorticity. Recent experiments verified the existence of this vorticity via the resulting polarization of emitted Λ and Λ ¯ particles. At the same time parton cascade models indicated the existence of more compact initial state configurations, which we are going to simulate in our approach. The proposed model satisfies all the conservation laws, including conservation of a strong initial angular momentum, which is present in noncentral collisions. As a consequence of this large initial angular momentum we observe the rotation of the whole system as well as the fluid shear in the initial state, which leads to large flow vorticity. Another advantage of the proposed model is that the initial state can be given in both [t,x,y,z] and [τ ,x ,y ,η ] coordinates and thus can be tested by all 3+1D hydrodynamical codes which exist in the field.

Comparing initial-data sets for binary black holes

International Nuclear Information System (INIS)

Pfeiffer, Harald P.; Cook, Gregory B.; Teukolsky, Saul A.

2002-01-01

We compare the results of constructing binary black hole initial data with three different decompositions of the constraint equations of general relativity. For each decomposition we compute the initial data using a superposition of two Kerr-Schild black holes to fix the freely specifiable data. We find that these initial-data sets differ significantly, with the ADM energy varying by as much as 5% of the total mass. We find that all initial-data sets currently used for evolutions might contain unphysical gravitational radiation of the order of several percent of the total mass. This is comparable to the amount of gravitational-wave energy observed during the evolved collision. More astrophysically realistic initial data will require more careful choices of the freely specifiable data and boundary conditions for both the metric and extrinsic curvature. However, we find that the choice of extrinsic curvature affects the resulting data sets more strongly than the choice of conformal metric

Slow, slow, quick, quick, slow: Saudi Arabia's 'Gas Initiative'

International Nuclear Information System (INIS)

Robins, Philip

2004-01-01

This article sets out to analyse the Saudi gas initiative in the context of the decision-making process in Saudi Arabia between 1998 and 2002. It describes the overall context in which the initiative was made. It focuses on the personalities and institutions that were important in its birth and its evolution. The article argues that a mixture of personalities (especially that of Crown Prince Abdullah and foreign minister Saud al-Faisal) and institutions (especially a clutch of new bodies formed in 1999 and 2000) were pivotal in the emergence of the initiative. It also looks at the obstacles that were placed in the way of the initiative, arguing that Saudi Aramco and the minister of oil, Ali Naimi, were key blocking players. Over time, the Saudi gas initiative has come to be seen as a benchmark of the wider cause of economic liberalization in the Kingdom. The lack of progress in the initiative since the initial indicative contract awards in June 2001 has reflected the lack of movement in the general reformist strategy

Global initiatives to prevent nuclear terrorism

International Nuclear Information System (INIS)

2010-01-01

The fight against nuclear and radiological terrorism - someone to blow up a nuclear weapon or spread radioactive material as a 'dirty bomb' that act of terrorism - is one of the most serious threats to international security. The Global Initiative to prevent nuclear terrorism is a Norwegian-sponsored initiative that is aimed directly at combating terrorism by non-state actors. NRPA follow up Norwegian measures, including in Kazakhstan, and verifies that they are implemented and functioning as intended. (AG)

Stakeholder Pressures, Environmental Impact and Managerial Initiatives of SMEs

DEFF Research Database (Denmark)

Madsen, Henning; Ulhøi, John Parm

2015-01-01

impact was available in Denmark. Consequently, a longitudinal research project was initiated to enlighten the situation. This study investigates environmentally related initiatives taken in response to the perception of stakeholder pressures and the perceived corporate environmental impact. The empirical......Environmental sustainability has become an issue of uttermost importance for business organisations. Therefore, the implementation of corporate environmental initiatives has been vigorously embraced by industry. Two decades ago, no clear picture of industry initiatives to reduce their environmental...... popularity of self-regulation, voluntary initiatives do not tend to be widely adopted by SMEs, stressing a need for a continuing regulation of industry’s behaviour in relation to environmental issues....

Extended superposed quantum-state initialization using disjoint prime implicants

International Nuclear Information System (INIS)

Rosenbaum, David; Perkowski, Marek

2009-01-01

Extended superposed quantum-state initialization using disjoint prime implicants is an algorithm for generating quantum arrays for the purpose of initializing a desired quantum superposition. The quantum arrays generated by this algorithm almost always use fewer gates than other algorithms and in the worst case use the same number of gates. These improvements are achieved by allowing certain parts of the quantum superposition that cannot be initialized directly by the algorithm to be initialized using special circuits. This allows more terms in the quantum superposition to be initialized at the same time which decreases the number of gates required by the generated quantum array.

76 FR 61103 - Medicare Program; Comprehensive Primary Care Initiative

Science.gov (United States)

2011-10-03

...] Medicare Program; Comprehensive Primary Care Initiative AGENCY: Centers for Medicare & Medicaid Services... organizations to participate in the Comprehensive Primary Care initiative (CPC), a multipayer model designed to... the Comprehensive Primary Care initiative or the application process. SUPPLEMENTARY INFORMATION: I...

City 2020+

Science.gov (United States)

Schneider, C.; Buttstädt, M.; Merbitz, H.; Sachsen, T.; Ketzler, G.; Michael, S.; Klemme, M.; Dott, W.; Selle, K.; Hofmeister, H.

2010-09-01

This research initiative CITY 2020+ assesses the risks and opportunities for residents in urban built environments under projected demographic and climate change for the year 2020 and beyond, using the City of Aachen as a case study. CITY 2020+ develops scenarios, options and tools for planning and developing sustainable future city structures. We investigate how urban environment, political structure and residential behavior can best be adapted, with attention to the interactions among structural, political, and sociological configurations and with their consequences on human health. Demographers project that in the EU-25-States by 2050, approximately 30% of the population will be over age 65. Also by 2050, average tem¬peratures are projected to rise by 1 to 2 K. Combined, Europe can expect enhanced thermal stress and higher levels of particulate matter. CITY 2020+ amongst other sub-projects includes research project dealing with (1) a micro-scale assessment of blockages to low-level cold-air drainage flow into the city centre by vegetation and building structures, (2) a detailed analysis of the change of probability density functions related to the occurrence of heat waves during summer and the spatial and temporal structure of the urban heat island (UHI) (3) a meso-scale analysis of particulate matter (PM) concentrations depending on topography, local meteorological conditions and synoptic-scale weather patterns. First results will be presented specifically from sub-projects related to vegetation barriers within cold air drainage, the assessment of the UHI and the temporal and spatial pattern of PM loadings in the city centre. The analysis of the cold air drainage flow is investigated in two consecutive years with a clearing of vegetation stands in the beginning of the second year early in 2010. The spatial pattern of the UHI and its possible enhancement by climate change is addressed employing a unique setup using GPS devices and temperature probes fixed to

76 FR 61365 - Bundled Payments for Care Improvement Initiative

Science.gov (United States)

2011-10-04

...] Bundled Payments for Care Improvement Initiative AGENCY: Centers for Medicare & Medicaid Services (CMS...: Letter of Intent Submission Deadline: For Model 1 of this initiative, interested organizations must...-improvement.html . Application Submission Deadline: For Model 1 of this initiative, applications must be...

Symbolic initiative and its application to computers

Energy Technology Data Exchange (ETDEWEB)

Hellerman, L

1982-01-01

The author reviews the role of symbolic initiative in mathematics and then defines a sense in which computers compute mathematical functions. This allows a clarification of the semantics of computer and communication data. Turing's view of machine intelligence is examined in terms of its use of symbolic initiative. 12 references.

The LHCb Starterkit initiative

CERN Document Server

Puig Navarro, Albert

2017-01-01

The vast majority of high-energy physicists use and produce software every day. Software skills are usually acquired on the go and dedicated training courses are rare. The LHCb Starterkit is a new training format for getting LHCb collaborators started in effectively using software to perform their research. The initiative, combining courses and online tutorials, focuses on teaching basic skills for research computing, as well as LHCb software specifics. Unlike traditional tutorials we focus on starting with basics, performing all the material live, with a high degree of interactivity, giving priority to understanding the tools as opposed to handing out recipes that work “as if by magic”. The LHCb Starterkit was started by young members of the collaboration inspired by the principles of Software Carpentry, and the material is created in a collaborative fashion using the tools we teach. Three successful entry-level workshops, as well as two advanced ones, have taken place since the start of the initiative i...

Evaluation of initiation behavior of stress corrosion cracking for type 316L stainless steel in high temperature water. Behavior of crack initiation and effects of distribution of plastic strain on crack initiation

International Nuclear Information System (INIS)

Miura, Yasufumi; Miyahara, Yuichi; Kako, Kenji; Sato, Masaru

2011-01-01

It is known that the initiation of stress corrosion cracking (SCC) in components such as the reactor core shroud and primary loop re-circulation piping made of L-grade stainless steel is affected by the properties of surface work hardened layer. Therefore, it is important to clarify the effect of the hardened layer on SCC initiation behavior. In this study, creviced bent beam (CBB) test using specimens made of Type 316L stainless steel with controlled distribution of surface work hardened layer was conducted in a simulated BWR environment in order to evaluate the effect of the controlled layer on SCC initiation behavior. The results obtained are as follows; (1) Micro intergranular SCC of low carbon stainless steel was initiated in 50 hours. (2) In this SCC test, it was found that only micro cracks whose depths were smaller than 50 μm were observed until 250 hours and cracks whose depths were larger than 50 μm were observed after 500 hours. (3) SCC was initiated preferentially on the region with high plastic strain gradient in the specimen with controlled distribution of work hardened layer. (author)

Initiation into Adolescent Marijuana Use.

Science.gov (United States)

Brook, Judith S.; And Others

1980-01-01

This longitudinal study examined the relationship of three domains (personality/attitudinal orientations, peer relationships, and family socialization factors) with initiation into adolescent marihuana use. (Author/DB)

Multipoint propagators for non-Gaussian initial conditions

International Nuclear Information System (INIS)

Bernardeau, Francis; Sefusatti, Emiliano; Crocce, Martin

2010-01-01

We show here how renormalized perturbation theory calculations applied to the quasilinear growth of the large-scale structure can be carried on in presence of primordial non-Gaussian (PNG) initial conditions. It is explicitly demonstrated that the series reordering scheme proposed in Bernardeau, Crocce, and Scoccimarro [Phys. Rev. D 78, 103521 (2008)] is preserved for non-Gaussian initial conditions. This scheme applies to the power spectrum and higher-order spectra and is based on a reorganization of the contributing terms into the sum of products of multipoint propagators. In case of PNG, new contributing terms appear, the importance of which is discussed in the context of current PNG models. The properties of the building blocks of such resummation schemes, the multipoint propagators, are then investigated. It is first remarked that their expressions are left unchanged at one-loop order irrespective of statistical properties of the initial field. We furthermore show that the high-momentum limit of each of these propagators can be explicitly computed even for arbitrary initial conditions. They are found to be damped by an exponential cutoff whose expression is directly related to the moment generating function of the one-dimensional displacement field. This extends what had been established for multipoint propagators for Gaussian initial conditions. Numerical forms of the cutoff are shown for the so-called local model of PNG.

20 CFR 418.3605 - What is an initial determination?

Science.gov (United States)

2010-04-01

... Subsidies Determinations and the Administrative Review Process § 418.3605 What is an initial determination? Initial determinations are the determinations we make that are subject to administrative and judicial... conclusions. Examples of initial determinations that are subject to administrative and judicial review include...

Recommendations for secure initialization routines in operating systems

OpenAIRE

Dodge, Catherine A.

2004-01-01

Approved for public release; distribution in unlimited. While a necessity of all operating systems, the code that initializes a system can be notoriously difficult to understand. This thesis explores the most common architectures used for bringing an operating system to its initial state, once the operating system gains control from the boot loader. Specifically, the ways in which the OpenBSD and Linux operating systems handle initialization are dissected. With this understanding, a set ...

38 CFR 20.1500 - Rule 1500. Expedited Claims Adjudication Initiative.

Science.gov (United States)

2010-07-01

... Claims Adjudication Initiative. 20.1500 Section 20.1500 Pensions, Bonuses, and Veterans' Relief... Adjudication Initiative-Pilot Program § 20.1500 Rule 1500. Expedited Claims Adjudication Initiative. (a) Purpose. The Expedited Claims Adjudication Initiative is a pilot program designed to streamline the claims...

Initiation of CPAP therapy for OSA: does prophylactic humidification during CPAP pressure titration improve initial patient acceptance and comfort?

Science.gov (United States)

Wiest, G H; Harsch, I A; Fuchs, F S; Kitzbichler, S; Bogner, K; Brueckl, W M; Hahn, E G; Ficker, J H

2002-01-01

Heated humidifiers (HH) enable effective treatment of upper airway dryness during nasal continuous positive airway pressure (nCPAP) therapy for obstructive sleep apnoea (OSA), but the role of prophylactic use of HH during the initiation of nCPAP treatment has not been studied so far. The aim of the present study was to investigate whether prophylactic HH during the initiation of CPAP would result in improved initial patient comfort and acceptance. In 44 consecutive, previously untreated OSA patients with no history of upper airway dryness, CPAP titration with and without HH was performed on two consecutive nights in a randomised order. The patients were interviewed after each treatment night in order to establish the comfort of the treatment, and, after the second treatment, they were asked which of the two nights they considered more pleasant, and which treatment they would prefer for long-term use. Following CPAP titration with HH, 32 patients (73%) claimed to have had a better night's sleep than usual (i.e. without CPAP treatment) compared with 33 patients (75%) saying the same following CPAP treatment without HH. For 21 patients (47.7%) treatment with HH was more pleasant, 23 (52.3%) saw no difference or said that treatment without HH was more pleasant. Nineteen patients (43.2%) gave preference to treatment with HH for long-term use, while 25 patients (56.8%) had no preference or said they would prefer treatment without HH. The use of HH during the initiation phase of CPAP treatment was associated neither with an initial improvement in comfort nor with greater initial treatment acceptance. Copyright 2002 S. Karger AG, Basel

Should tsunami simulations include a nonzero initial horizontal velocity?

Science.gov (United States)

Lotto, Gabriel C.; Nava, Gabriel; Dunham, Eric M.

2017-08-01

Tsunami propagation in the open ocean is most commonly modeled by solving the shallow water wave equations. These equations require initial conditions on sea surface height and depth-averaged horizontal particle velocity or, equivalently, horizontal momentum. While most modelers assume that initial velocity is zero, Y.T. Song and collaborators have argued for nonzero initial velocity, claiming that horizontal displacement of a sloping seafloor imparts significant horizontal momentum to the ocean. They show examples in which this effect increases the resulting tsunami height by a factor of two or more relative to models in which initial velocity is zero. We test this claim with a "full-physics" integrated dynamic rupture and tsunami model that couples the elastic response of the Earth to the linearized acoustic-gravitational response of a compressible ocean with gravity; the model self-consistently accounts for seismic waves in the solid Earth, acoustic waves in the ocean, and tsunamis (with dispersion at short wavelengths). Full-physics simulations of subduction zone megathrust ruptures and tsunamis in geometries with a sloping seafloor confirm that substantial horizontal momentum is imparted to the ocean. However, almost all of that initial momentum is carried away by ocean acoustic waves, with negligible momentum imparted to the tsunami. We also compare tsunami propagation in each simulation to that predicted by an equivalent shallow water wave simulation with varying assumptions regarding initial velocity. We find that the initial horizontal velocity conditions proposed by Song and collaborators consistently overestimate the tsunami amplitude and predict an inconsistent wave profile. Finally, we determine tsunami initial conditions that are rigorously consistent with our full-physics simulations by isolating the tsunami waves from ocean acoustic and seismic waves at some final time, and backpropagating the tsunami waves to their initial state by solving the

Career Technical Education Pathways Initiative Annual Report

Science.gov (United States)

California Community Colleges, Chancellor's Office, 2014

2014-01-01

California's education system--the largest in the United States--is an essential resource for ensuring strong economic growth in the state. The Career Technical Education Pathways Initiative (the Initiative) became law in 2005 with Senate Bills 70 and 1133 and provided more than $380 million over eight years to improve career technical education…

Initial response of a rock penetrator

International Nuclear Information System (INIS)

Longcope, D.B.; Grady, D.E.

1977-12-01

An analysis based on elastic rod theory is given for the early-time axisymmetric response of pointed penetrators. Results of measurements by laser interferometry of the back surface particle velocity of laboratory scale penetrators impacted by sandstone targets are presented. Values of the initial pressure on the penetrator tip are determined which give good agreement between the analytical and experimental results. These initial tip pressures are found to be approximated by the stress-particle velocity Hugoniot for the target material

Network support for system initiated checkpoints

Science.gov (United States)

Chen, Dong; Heidelberger, Philip

2013-01-29

A system, method and computer program product for supporting system initiated checkpoints in parallel computing systems. The system and method generates selective control signals to perform checkpointing of system related data in presence of messaging activity associated with a user application running at the node. The checkpointing is initiated by the system such that checkpoint data of a plurality of network nodes may be obtained even in the presence of user applications running on highly parallel computers that include ongoing user messaging activity.

Monolithic exploding foil initiator

Science.gov (United States)

Welle, Eric J; Vianco, Paul T; Headley, Paul S; Jarrell, Jason A; Garrity, J. Emmett; Shelton, Keegan P; Marley, Stephen K

2012-10-23

A monolithic exploding foil initiator (EFI) or slapper detonator and the method for making the monolithic EFI wherein the exploding bridge and the dielectric from which the flyer will be generated are integrated directly onto the header. In some embodiments, the barrel is directly integrated directly onto the header.

The next generation safeguards initiative

International Nuclear Information System (INIS)

Tobey, William

2008-01-01

NGSI or the Next Generation Safeguards Initiative is designed to revitalize the U.S. safeguards technical base, as well as invest in human resources, and to mobilize our primary asset - the U.S. National Laboratories - as well as industry and academia to restore capabilities. While NGSI is a U.S. effort it is intended to serve as a catalyst for a much broader commitment to international safeguards in partnership with the IAEA and other countries. Initiatives over the last years include such as the Proliferation Security Initiative, UN Security Council Resolution 1540, the Global Initiative to Combat Nuclear Terrorism, and initiatives of the G-8 and NSG to discourage the spread of enrichment and reprocessing. NGSI augments this agenda by providing a means to strengthen the technical and political underpinnings of IAEA safeguards. Priorities and envisioned activities under NGSI are the following. (1) Cooperation with IAEA and others to promote universal adoption of safeguards agreements and the Additional Protocol including greater information sharing between member states and the IAEA, investigation of weaponization and procurement activities, and options to strengthen the state-level approach to safeguards. (2) NGSI anticipates the deployment of new types of reactors and fuel cycle facilities, as well as the need to use limited safeguards resources effectively and efficiently, especially in plants that pose the largest burden specifically complex, bulk-handling facilities. (3) NGSI will encourage a generational improvement in current safeguards technologies including improvement of precision and speed of nuclear measurements, performance of real-time process monitoring and surveillance in unattended mode, enabling in-field, pre-screening and analysis of nuclear and environmental samples, and collection, integration, analysis and archiving safeguards-relevant information from all available sources.(4) NGSI will address human capital management. Training and

Recovery of an initial temperature from discrete sampling

KAUST Repository

DeVore, Ronald

2014-11-01

The problem of recovering the initial temperature of a body from discrete temperature measurements made at later times is studied. While this problem has a general formulation, the results of this paper are only given in the simplest setting of a finite (one-dimensional), constant coefficient, linear rod. It is shown that with a judicious placement of a thermometer on this rod, the initial temperature profile of the rod can be completely determined by later time measurements. The paper then studies the number of measurements that are needed to recover the initial profile to a prescribed accuracy and provides an optimal reconstruction algorithm under the assumption that the initial profile is in a Sobolev class. © 2014 World Scientific Publishing Company.

Structuring Cooperative Nuclear RIsk Reduction Initiatives with China.

Energy Technology Data Exchange (ETDEWEB)

Brandt, Larry [Stanford Univ., CA (United States); Reinhardt, Jason Christian [Stanford Univ., CA (United States); Hecker, Siegfried [Stanford Univ., CA (United States)

2017-03-01

The Stanford Center for International Security and Cooperation engaged several Chinese nuclear organizations in cooperative research that focused on responses to radiological and nuclear terrorism. The objective was to identify joint research initiatives to reduce the global dangers of such threats and to pursue initial technical collaborations in several high priority areas. Initiatives were identified in three primary research areas: 1) detection and interdiction of smuggled nuclear materials; 2) nuclear forensics; and 3) radiological (“dirty bomb”) threats and countermeasures. Initial work emphasized the application of systems and risk analysis tools, which proved effective in structuring the collaborations. The extensive engagements between national security nuclear experts in China and the U.S. during the research strengthened professional relationships between these important communities.

38 CFR 20.1510 - Rule 1510. Termination of the Initiative.

Science.gov (United States)

2010-07-01

... the Initiative. 20.1510 Section 20.1510 Pensions, Bonuses, and Veterans' Relief DEPARTMENT OF VETERANS AFFAIRS (CONTINUED) BOARD OF VETERANS' APPEALS: RULES OF PRACTICE Expedited Claims Adjudication Initiative-Pilot Program § 20.1510 Rule 1510. Termination of the Initiative. VA may terminate the Initiative at any...

15 CFR 1160.22 - Goal of the Strategic Partnership initiative.

Science.gov (United States)

2010-01-01

... initiative. 1160.22 Section 1160.22 Commerce and Foreign Trade Regulations Relating to Commerce and Foreign... INNOVATION Strategic Partnership Initiative § 1160.22 Goal of the Strategic Partnership initiative. (a) This new initiative is designed to provide the private sector with the opportunity to discuss the possible...

Exo-electrons and initiation of electric discharges

International Nuclear Information System (INIS)

Laube, Sylvain

1992-01-01

As some observations seemed to indicate that glass submitted to an electric field could be a source of electrons, and that any dielectric could play the role, this research thesis aimed at verifying this hypothesis, at least for two industrially used dielectrics (Teflon and Kapton). The author also shows the advantage which could be taken from such an emission, as well in the field of electric discharges as in the field of their applications. Electrons emitted in such conditions are herein called exo-electrons. In a first part, the author analysed the characteristic magnitudes which govern the conditions of discharge initiation, i.e. the initiation voltage and the statistic delay between the application of an electric field and the initiative occurrence. The second part presents the different measurements devices which have been designed, and the third part presents and discusses experimental results, and shows that the theoretical model is in compliance with initiation voltage measurements. As far as electron emission is concerned, a possible explication of this phenomenon is proposed [fr

Fundamental study of crack initiation and propagation

International Nuclear Information System (INIS)

Norris, D.M. Jr.; Reaugh, J.E.; Moran, B.; Quinones, D.F.; Wilkins, M.L.

1977-01-01

Objective is to determine the fracture toughness of A533B-1 steel by computer modeling Charpy V-notch tests. A computer model of ductile fracture was developed that predicts fracture initiation. The model contains a set of material-dependent parameters obtained by computer simulations of small specimen tests. The computer calculations give detailed stress and strain histories up to the time of fracture, which are used to determine the model parameter values. The calibrated fracture model, that correctly predicts fracture initiation (and initiation energy) in the Charpy specimen, may then be used to simulate tests of accepted fracture-toughness specimens and hence obtain fracture toughness. The model parameters were calibrated to predict fracture in four different test specimens: two different notched-tension specimens, a simple tension specimen, and a precracked compact-tension specimen. The model was then used in a computer simulation of the Charpy V-notch specimen to initiate and advance a flat fracture. Results were compared with interrupted Charpy tests. Calibration of the model for two additional heat treatments of A533B-1 steel is in progress

Allyl borates: a novel class of polyhomologation initiators

KAUST Repository

Wang, De; Hadjichristidis, Nikolaos

2016-01-01

Allyl borates, a new class of monofunctional polyhomologation initiators, are reported. These monofunctional initiators are less sensitive and more effective towards polymethylene-based architectures. As an example, the synthesis of α

Initial singularity and pure geometric field theories

Science.gov (United States)

Wanas, M. I.; Kamal, Mona M.; Dabash, Tahia F.

2018-01-01

In the present article we use a modified version of the geodesic equation, together with a modified version of the Raychaudhuri equation, to study initial singularities. These modified equations are used to account for the effect of the spin-torsion interaction on the existence of initial singularities in cosmological models. Such models are the results of solutions of the field equations of a class of field theories termed pure geometric. The geometric structure used in this study is an absolute parallelism structure satisfying the cosmological principle. It is shown that the existence of initial singularities is subject to some mathematical (geometric) conditions. The scheme suggested for this study can be easily generalized.

How initial representations shape coupled learning processes

DEFF Research Database (Denmark)

Puranam, Phanish; Swamy, M.

2016-01-01

Coupled learning processes, in which specialists from different domains learn how to make interdependent choices among alternatives, are common in organizations. We explore the role played by initial representations held by the learners in coupled learning processes using a formal agent-based model....... We find that initial representations have important consequences for the success of the coupled learning process, particularly when communication is constrained and individual rates of learning are high. Under these conditions, initial representations that generate incorrect beliefs can outperform...... one that does not discriminate among alternatives, or even a mix of correct and incorrect representations among the learners. We draw implications for the design of coupled learning processes in organizations. © 2016 INFORMS....

Establishing a research agenda for Foundation Phasei initial ...

African Journals Online (AJOL)

USER

2016-08-19

Aug 19, 2016 ... This paper profiles empirical research relating to initial ... post-1994 democratic government chose to locate all initial teacher education in higher education institutions .... philosophical aspects of teacher education, issues.

21 CFR 7.46 - Firm-initiated recall.

Science.gov (United States)

2010-04-01

... 21 Food and Drugs 1 2010-04-01 2010-04-01 false Firm-initiated recall. 7.46 Section 7.46 Food and....46 Firm-initiated recall. (a) A firm may decide of its own volition and under any circumstances to remove or correct a distributed product. A firm that does so because it believes the product to be...

Embedding initial data for black hole collisions

OpenAIRE

Romano, Joseph D.; Price, Richard H.

1994-01-01

We discuss isometric embedding diagrams for the visualization of initial data for the problem of the head-on collision of two black holes. The problem of constructing the embedding diagrams is explicitly presented for the best studied initial data, the Misner geometry. We present a partial solution of the embedding diagrams and discuss issues related to completing the solution.

Subsidiary-level determinants of global initiatives in multinational corporations

NARCIS (Netherlands)

Williams, C.

2009-01-01

This article examines subsidiary-level factors that promote global initiatives in MNCs. Global initiatives are a key capability of MNCs that domestic firms do not possess, yet there has been little research on how MNCs promote initiatives on a global basis. I draw principally on the knowledge-based

14 CFR 302.310 - Exemptions on the Department's initiative.

Science.gov (United States)

2010-01-01

... 14 Aeronautics and Space 4 2010-01-01 2010-01-01 false Exemptions on the Department's initiative... and Certain Other Proceedings § 302.310 Exemptions on the Department's initiative. The Department may grant exemptions on its own initiative when it finds that such exemptions are required by the...

49 CFR 593.8 - Determinations on the agency's initiative.

Science.gov (United States)

2010-10-01

... 49 Transportation 7 2010-10-01 2010-10-01 false Determinations on the agency's initiative. 593.8... § 593.8 Determinations on the agency's initiative. (a) The Administrator may make a determination of eligibility on his or her own initiative. The agency publishes in the Federal Register, affording opportunity...

Effect of initial conditions on combustion generated loads

International Nuclear Information System (INIS)

Tieszen, S.R.

1993-01-01

This analytical study examines the effect of initial thermodynamic conditions on the loads generated by the combustion of homogeneous hydrogen-air-steam mixtures. The effect of initial temperature, pressure, hydrogen concentration, and steam concentration is evaluated for two cases, (1) constant volume and (2) constant initial pressure. For each case, the Adiabatic, Isochoric, Complete Combustion (AICC), Chapman-Jouguet (CJ), and normally reflected CJ pressures are calculated for a range of hydrogen and steam concentrations representative of the entire flammable regime. For detonation loads, pressure profiles and time-histories are also evaluated in one-dimensional Cartesian geometry. The results show that to a first approximation, the AICC and CJ pressures are directly proportional to the initial density. Increasing the hydrogen concentration up to stoichiometric concentrations significantly increases the AICC, CJ, and reflected CJ pressures. For the constant volume case, the AICC, CJ, and reflected CJ pressures increase with increasing hydrogen concentration on the rich side of stoichiometric concentrations. For the constant initial pressure case, the AICC, CJ, and reflected CJ pressures decrease with increasing hydrogen concentration on the rich side of stoichiometric values. The addition of steam decreases the AICC, CJ, and reflected CJ pressures for the constant initial pressure case, but increases them for the constant volume case. For detonations, the pressure time-histories can be normalized with the AICC pressure and the reverberation time for Cartesion geometry. (orig.)

The Dependence of Chimera States on Initial Conditions

International Nuclear Information System (INIS)

Feng Yue-E; Li Hai-Hong

2015-01-01

A chimera state consisting of both coherent and incoherent groups is a fascinating spatial pattern in non-locally coupled identical oscillators. It is thought that random initial conditions hardly evolve to chimera states. In this work, we study the dependence of chimera states on initial conditions. We show that random initial conditions may lead to chimera states and the chance of realizing chimera states becomes increasing when the model parameters are moving away from the boundary of their stable regime. (paper)

Peters' Concept of "Education as Initiation": Communitarian or Individualist?

Science.gov (United States)

Cotter, Richard

2013-01-01

A central element of Richard Peters' philosophy of education has been his analysis of "education as initiation". Understanding initiation is internally related to concepts of community and what it may mean to be a member. The concept of initiation assumes a mutually interdependent, dynamic relationship between the individual and community that…

Physics and initial data for multiple black hole spacetimes

International Nuclear Information System (INIS)

Bonning, Erin; Marronetti, Pedro; Neilsen, David; Matzner, Richard

2003-01-01

An orbiting black hole binary will generate strong gravitational radiation signatures, making these binaries important candidates for detection in gravitational wave observatories. The gravitational radiation is characterized by the orbital parameters, including the frequency and separation at the innermost stable circular orbit (ISCO). One approach to estimating these parameters relies on a sequence of initial data slices that attempt to capture the physics of the inspiral. Using calculations of the binding energy, several authors have estimated the ISCO parameters using initial data constructed with various algorithms. In this paper we examine this problem using conformally Kerr-Schild initial data. We present convergence results for our initial data solutions, and give data from numerical solutions of the constraint equations representing a range of physical configurations. In a first attempt to understand the physical content of the initial data, we find that the Newtonian binding energy is contained in the superposed Kerr-Schild background before the constraints are solved. We examine some deficiencies with the initial data approach to orbiting binaries, especially touching on the effects of prior motion and spin-orbital coupling of the angular momenta. Making rough estimates of these effects, we find that they are not insignificant compared to the binding energy, leaving some doubt of the utility of using initial data to predict ISCO parameters. In computations of specific initial-data configurations we find spin-specific effects that are consistent with analytical estimates

THE RELEVANCE OF SUBSIDIARY INITIATIVES FOR BRAZILIAN MULTINATIONALS

Directory of Open Access Journals (Sweden)

Moacir de Miranda Oliveira Junior

2009-07-01

Full Text Available The purpose of this paper is to analyze relationship patterns between headquarters and subsidiaries of Brazilian Multinationals Enterprises (BrMNEs. The key construct for that investigation is Subsidiary Initiative, which comprises Subsidiary Entrepreneurial Orientation, Autonomy, Integration, Local Competitive Context and Business Network.A survey was carried out in a sample of 65 subsidiaries of 29 BrMNEs. The main outcome is that subsidiaries are highly integrated and receive Entrepreneurial Orientation from Headquarters (HQs, but Initiative is limited. Actually, the main determinants of subsidiary’s initiatives are Local Context and Business Networking in the host country. This apparent paradox may be explained by what we call ‘rebellious subsidiaries’, which take initiatives based on their business environment and connections, regardless of their HQs’ directions or delegation of autonomy.

New features of entanglement dynamics with initial system–bath correlations

Energy Technology Data Exchange (ETDEWEB)

Li, Lin [School of Physics, Beijing Institute of Technology, Beijing 100081 (China); Zou, Jian, E-mail: zoujian@bit.edu.cn [School of Physics, Beijing Institute of Technology, Beijing 100081 (China); He, Zhi; Li, Jun-Gang; Shao, Bin [School of Physics, Beijing Institute of Technology, Beijing 100081 (China); Wu, Lian-Ao [Department of Theoretical Physics and History of Science, The Basque Country University (EHU/UPV), PO Box 644, 48080 Bilbao (Spain)

2012-02-06

We investigate the influence of initial correlations between two qubits and a family of baths on the entanglement dynamics of these two qubits. We show that initial system–bath correlations can effectively avoid the occurrence of entanglement sudden death, and for the initial states with quantum correlations the entanglement between two qubits can be larger than its initial value. Significantly, we find that there exist initial states which we called entanglement preserving states, such that, although the state of the qubit subsystem evolves the entanglement of two qubits does not evolves at all. -- Highlights: ► We obtain analytically solutions of two qubits interacting with a family of baths. ► Having initial quantum correlation with the bath, the system can gain entanglement. ► For some initial states though the system evolves, the entanglement remain the same.

Dietary influence on primiparous and pluriparous buffalo fertility

Directory of Open Access Journals (Sweden)

R. Di Palo

2010-04-01

Full Text Available The authors described the effects of diets characterized by different energy density and forages concentrations on reproductive activity of primiparous and pluriparous lactating buffalo cows, undergone the out of season breeding technique. Productive and reproductive data of a buffalo farm in Salerno were collected. Furthermore, the diets administered to the animals from 1998 to 2003 (6 years were also recorded. The components of the diet were monthly analysed according to the method described by ASPA (1980. The fertility in primiparous buffaloes resulted significantly better (P< 0.01 during the last year when the diet were characterized by high energy and less quantity of forage. Differences were also recorded between primiparous and pluriparous buffaloes only in 2002 for milk production (P< 0.05 and in 1999 and 2002 for year’s milk production (P< 0.05. The utilization of diets characterized by high use of concentrates and high energy improved fertility and milk yield in primiparous.

Making initiatives resonate: how can non-state initiatives advance national contributions under the UNFCCC?

NARCIS (Netherlands)

Hermwille, Lukas

2018-01-01

The international governance landscape on climate change mitigation is increasingly complex across multiple governance levels. Climate change mitigation initiatives by non-state stakeholders can play an important role in governing global climate change. The article addresses the relationship between

Initiative and responsibility; Veranlassung und Verantwortung

Energy Technology Data Exchange (ETDEWEB)

Loewer, Wolfgang (ed.)

2012-07-01

The 6th Bonner Dialogue to energy law picks up the trend of increasing regulation of the energy sector on a more fundamental level. Under this aspect, the book under consideration contains four contributions: (1) Initiative and responsibility from a constitutional point of view (Hans-Jueergen Papier); (2) Obligations to invest in the development of transmission networks between initiative and responsibility (Juergen Kuehling); (3) Antitrust unbundling of companies from comparative law perspective (Wulf-Henning Roth); (4) Unbundling of companies outside of fusion control according to valid and future law (Andreas Roehling).

Inclusion-initiated fracture model for ceramics

International Nuclear Information System (INIS)

Sung, J.; Nicholson, P.S.

1990-01-01

The fracture of ceramics initiating from a typical inclusion is analyzed. The inclusion is considered to have a thermal expansion coefficient and fracture toughness lower than those of the matrix and a Young's modulus higher than that of the matrix. Inclusion-initiated fracture is modeled for a spherical inclusion using a weight function method to compute the residual stress intensity factor for a part-through elliptical crack. The results are applied to an α-Al 2 O 3 inclusion embedded in a tetragonal ZrO 2 ceramic. The strength predictions agree well with experimental data

Smart roadside initiative : user manual.

Science.gov (United States)

2015-09-01

This document provides the user instructions for the Smart Roadside Initiative (SRI) applications including mobile and web-based SRI applications. These applications include smartphone-enabled information exchange and notification, and software compo...

Initiation-promotion skin carcinogenesis and immunological competence.

Science.gov (United States)

Curtis, G L; Stenbäck, F; Ryan, W L

1975-10-01

The immune competence of mice during initiation-promotion skin carcinogenesis was determined by skin allograft rejection and lymphocyte mitogenesis. The carcinogen 7, 12-dimethylbenzanthracene inhibited the cellular immune competence of mice while lymphocytes from croton oil treated mice had enhanced PWM response. Chlorphenesin, a stimulator of cellular immunity, was found to inhibit tumorigenesis in initiation-promotion skin carcinogenesis when injected during promotion.

Initiating Events Modeling for On-Line Risk Monitoring Application

International Nuclear Information System (INIS)

Simic, Z.; Mikulicic, V.

1998-01-01

In order to make on-line risk monitoring application of Probabilistic Risk Assessment more complete and realistic, a special attention need to be dedicated to initiating events modeling. Two different issues are of special importance: one is how to model initiating events frequency according to current plant configuration (equipment alignment and out of service status) and operating condition (weather and various activities), and the second is how to preserve dependencies between initiating events model and rest of PRA model. First, the paper will discuss how initiating events can be treated in on-line risk monitoring application. Second, practical example of initiating events modeling in EPRI's Equipment Out of Service on-line monitoring tool will be presented. Gains from application and possible improvements will be discussed in conclusion. (author)

OPM: The Open Porous Media Initiative

Science.gov (United States)

Flemisch, B.; Flornes, K. M.; Lie, K.; Rasmussen, A.

2011-12-01

The principal objective of the Open Porous Media (OPM) initiative is to develop a simulation suite that is capable of modeling industrially and scientifically relevant flow and transport processes in porous media and bridge the gap between the different application areas of porous media modeling, including reservoir mechanics, CO2 sequestration, biological systems, and product development of engineered media. The OPM initiative will provide a long-lasting, efficient, and well-maintained open-source software for flow and transport in porous media built on modern software principles. The suite is released under the GNU General Public License (GPL). Our motivation is to provide a means to unite industry and public research on simulation of flow and transport in porous media. For academic users, we seek to provide a software infrastructure that facilitates testing of new ideas on models with industry-standard complexity, while at the same time giving the researcher control over discretization and solvers. Similarly, we aim to accelerate the technology transfer from academic institutions to professional companies by making new research results available as free software of professional standard. The OPM initiative is currently supported by six research groups in Norway and Germany and funded by existing grants from public research agencies as well as from Statoil Petroleum and Total E&P Norge. However, a full-scale development of the OPM initiative requires substantially more funding and involvement of more research groups and potential end users. In this talk, we will provide an overview of the current activities in the OPM initiative. Special emphasis will be given to the demonstration of the synergies achieved by combining the strengths of individual open-source software components. In particular, a new fully implicit solver developed within the DUNE-based simulator DuMux could be enhanced by the ability to read industry-standard Eclipse input files and to run on

Financial planning for major initiatives: a framework for success.

Science.gov (United States)

Harris, John M

2007-11-01

A solid framework for assessing a major strategic initiative consists of four broad steps: Initial considerations, including level of analysis required and resources that will be brought to bear. Preliminary financial estimates for board approval to further assess the initiative. Assessment of potential partners' interest in the project. Feasibility analysis for board green light.

Combat Wound Initiative program.

Science.gov (United States)

Stojadinovic, Alexander; Elster, Eric; Potter, Benjamin K; Davis, Thomas A; Tadaki, Doug K; Brown, Trevor S; Ahlers, Stephen; Attinger, Christopher E; Andersen, Romney C; Burris, David; Centeno, Jose; Champion, Hunter; Crumbley, David R; Denobile, John; Duga, Michael; Dunne, James R; Eberhardt, John; Ennis, William J; Forsberg, Jonathan A; Hawksworth, Jason; Helling, Thomas S; Lazarus, Gerald S; Milner, Stephen M; Mullick, Florabel G; Owner, Christopher R; Pasquina, Paul F; Patel, Chirag R; Peoples, George E; Nissan, Aviram; Ring, Michael; Sandberg, Glenn D; Schaden, Wolfgang; Schultz, Gregory S; Scofield, Tom; Shawen, Scott B; Sheppard, Forest R; Stannard, James P; Weina, Peter J; Zenilman, Jonathan M

2010-07-01

The Combat Wound Initiative (CWI) program is a collaborative, multidisciplinary, and interservice public-private partnership that provides personalized, state-of-the-art, and complex wound care via targeted clinical and translational research. The CWI uses a bench-to-bedside approach to translational research, including the rapid development of a human extracorporeal shock wave therapy (ESWT) study in complex wounds after establishing the potential efficacy, biologic mechanisms, and safety of this treatment modality in a murine model. Additional clinical trials include the prospective use of clinical data, serum and wound biomarkers, and wound gene expression profiles to predict wound healing/failure and additional clinical patient outcomes following combat-related trauma. These clinical research data are analyzed using machine-based learning algorithms to develop predictive treatment models to guide clinical decision-making. Future CWI directions include additional clinical trials and study centers and the refinement and deployment of our genetically driven, personalized medicine initiative to provide patient-specific care across multiple medical disciplines, with an emphasis on combat casualty care.

Initiatives for proliferation prevention

International Nuclear Information System (INIS)

1997-04-01

Preventing the proliferation of weapons of mass destruction is a central part of US national security policy. A principal instrument of the Department of Energy's (DOE's) program for securing weapons of mass destruction technology and expertise and removing incentives for scientists, engineers and technicians in the newly independent states (NIS) of the former Soviet Union to go to rogue countries or assist terrorist groups is the Initiatives for Proliferation Prevention (IPP). IPP was initiated pursuant to the 1994 Foreign Operations Appropriations Act. IPP is a nonproliferation program with a commercialization strategy. IPP seeks to enhance US national security and to achieve nonproliferation objectives by engaging scientists, engineers and technicians from former NIS weapons institutes; redirecting their activities in cooperatively-developed, commercially viable non-weapons related projects. These projects lead to commercial and economic benefits for both the NIS and the US IPP projects are funded in Russian, Ukraine, Kazakhstan and Belarus. This booklet offers an overview of the IPP program as well as a sampling of some of the projects which are currently underway

Global Peace Operations Initiative (GPOI)

National Research Council Canada - National Science Library

Kim-Mitchell, Elena

2005-01-01

.... In terms of manpower, the initiative aims at deploying 75,000 peace support operations (PSO) troops worldwide over the next 5 years, primarily to Africa, but also to Latin America, Europe, and Asia...

17 CFR 10.105 - Review by Commission on its own initiative.

Science.gov (United States)

2010-04-01

... own initiative. 10.105 Section 10.105 Commodity and Securities Exchanges COMMODITY FUTURES TRADING... initiative. The Commission may on its own initiative, within 30 days after the initial decision has been... the Commission has directed review on its own initiative shall be served on all parties by the...

Academic Training Lecture - Regular Programme

CERN Multimedia

PH Department

2011-01-01

Regular Lecture Programme 9 May 2011 ACT Lectures on Detectors - Inner Tracking Detectors by Pippa Wells (CERN) 10 May 2011 ACT Lectures on Detectors - Calorimeters (2/5) by Philippe Bloch (CERN) 11 May 2011 ACT Lectures on Detectors - Muon systems (3/5) by Kerstin Hoepfner (RWTH Aachen) 12 May 2011 ACT Lectures on Detectors - Particle Identification and Forward Detectors by Peter Krizan (University of Ljubljana and J. Stefan Institute, Ljubljana, Slovenia) 13 May 2011 ACT Lectures on Detectors - Trigger and Data Acquisition (5/5) by Dr. Brian Petersen (CERN) from 11:00 to 12:00 at CERN ( Bldg. 222-R-001 - Filtration Plant )

Studies of jet mass in dijet and W/Z + jet events

Energy Technology Data Exchange (ETDEWEB)

Chatrchyan, S.; Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Aguilo, E.; Bergauer, T.; Dragicevic, M.; Erö, J.; Fabjan, C.; Friedl, M.; Frühwirth, R.; Ghete, V. M.; Hörmann, N.; Hrubec, J.; Jeitler, M.; Kiesenhofer, W.; Knünz, V.; Krammer, M.; Krätschmer, I.; Liko, D.; Mikulec, I.; Pernicka, M.; Rabady, D.; Rahbaran, B.; Rohringer, C.; Rohringer, H.; Schöfbeck, R.; Strauss, J.; Taurok, A.; Waltenberger, W.; Wulz, C. -E.; Mossolov, V.; Shumeiko, N.; Suarez Gonzalez, J.; Alderweireldt, S.; Bansal, M.; Bansal, S.; Cornelis, T.; De Wolf, E. A.; Janssen, X.; Luyckx, S.; Mucibello, L.; Ochesanu, S.; Roland, B.; Rougny, R.; Van Haevermaet, H.; Van Mechelen, P.; Van Remortel, N.; Van Spilbeeck, A.; Blekman, F.; Blyweert, S.; D’Hondt, J.; Gonzalez Suarez, R.; Kalogeropoulos, A.; Maes, M.; Olbrechts, A.; Tavernier, S.; Van Doninck, W.; Van Mulders, P.; Van Onsem, G. P.; Villella, I.; Clerbaux, B.; De Lentdecker, G.; Dero, V.; Gay, A. P. R.; Hreus, T.; Léonard, A.; Marage, P. E.; Mohammadi, A.; Reis, T.; Thomas, L.; Vander Velde, C.; Vanlaer, P.; Wang, J.; Adler, V.; Beernaert, K.; Cimmino, A.; Costantini, S.; Garcia, G.; Grunewald, M.; Klein, B.; Lellouch, J.; Marinov, A.; Mccartin, J.; Ocampo Rios, A. A.; Ryckbosch, D.; Sigamani, M.; Strobbe, N.; Thyssen, F.; Tytgat, M.; Walsh, S.; Yazgan, E.; Zaganidis, N.; Basegmez, S.; Bruno, G.; Castello, R.; Ceard, L.; Delaere, C.; du Pree, T.; Favart, D.; Forthomme, L.; Giammanco, A.; Hollar, J.; Lemaitre, V.; Liao, J.; Militaru, O.; Nuttens, C.; Pagano, D.; Pin, A.; Piotrzkowski, K.; Selvaggi, M.; Vizan Garcia, J. M.; Beliy, N.; Caebergs, T.; Daubie, E.; Hammad, G. H.; Alves, G. A.; Correa Martins, M.; Martins, T.; Pol, M. E.; Souza, M. H. G.; Aldá, W. L.; Carvalho, W.; Chinellato, J.; Custódio, A.; Da Costa, E. M.; De Jesus Damiao, D.; De Oliveira Martins, C.; Fonseca De Souza, S.; Malbouisson, H.; Malek, M.; Matos Figueiredo, D.; Mundim, L.; Nogima, H.; Prado Da Silva, W. 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C.; Godinovic, N.; Lelas, D.; Plestina, R.; Polic, D.; Puljak, I.; Antunovic, Z.; Kovac, M.; Brigljevic, V.; Duric, S.; Kadija, K.; Luetic, J.; Mekterovic, D.; Morovic, S.; Tikvica, L.; Attikis, A.; Galanti, M.; Mavromanolakis, G.; Mousa, J.; Nicolaou, C.; Ptochos, F.; Razis, P. A.; Finger, M.; Finger, M.; Assran, Y.; Elgammal, S.; Ellithi Kamel, A.; Mahmoud, M. A.; Radi, A.; Kadastik, M.; Müntel, M.; Murumaa, M.; Raidal, M.; Rebane, L.; Tiko, A.; Eerola, P.; Fedi, G.; Voutilainen, M.; Härkönen, J.; Heikkinen, A.; Karimäki, V.; Kinnunen, R.; Kortelainen, M. J.; Lampén, T.; Lassila-Perini, K.; Lehti, S.; Lindén, T.; Luukka, P.; Mäenpää, T.; Peltola, T.; Tuominen, E.; Tuominiemi, J.; Tuovinen, E.; Ungaro, D.; Wendland, L.; Korpela, A.; Tuuva, T.; Besancon, M.; Choudhury, S.; Couderc, F.; Dejardin, M.; Denegri, D.; Fabbro, B.; Faure, J. 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G.; Gallinaro, M.; Seixas, J.; Varela, J.; Vischia, P.; Bunin, P.; Golutvin, I.; Gorbunov, I.; Kamenev, A.; Karjavin, V.; Konoplyanikov, V.; Ko-zlov, G.; Lanev, A.; Malakhov, A.; Moisenz, P.; Palichik, V.; Perelygin, V.; Shmatov, S.; Shulha, S.; Smirnov, V.; Volodko, A.; Zarubin, A.; Evstyukhin, S.; Golovtsov, V.; Ivanov, Y.; Kim, V.; Levchenko, P.; Murzin, V.; Oreshkin, V.; Smirnov, I.; Sulimov, V.; Uvarov, L.; Vavilov, S.; Vorobyev, A.; Vorobyev, An.; Andreev, Yu.; Dermenev, A.; Gninenko, S.; Golubev, N.; Kirsanov, M.; Krasnikov, N.; Matveev, V.; Pashenkov, A.; Tlisov, D.; Toropin, A.; Epshteyn, V.; Erofeeva, M.; Gavrilov, V.; Kossov, M.; Lychkovskaya, N.; Popov, V.; Safronov, G.; Semenov, S.; Shreyber, I.; Stolin, V.; Vlasov, E.; Zhokin, A.; Andreev, V.; Azarkin, M.; Dremin, I.; Kirakosyan, M.; Leonidov, A.; Mesyats, G.; Rusakov, S. 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S.; Willmott, C.; Albajar, C.; Codispoti, G.; de Trocóniz, J. F.; Brun, H.; Cuevas, J.; Fernandez Menendez, J.; Folgueras, S.; Gonzalez Caballero, I.; Lloret Iglesias, L.; Piedra Gomez, J.; Brochero Cifuentes, J. A.; Cabrillo, I. J.; Calderon, A.; Chuang, S. H.; Duarte Campderros, J.; Felcini, M.; Fernandez, M.; Gomez, G.; Gonzalez Sanchez, J.; Graziano, A.; Jorda, C.; Lopez Virto, A.; Marco, J.; Marco, R.; Martinez Rivero, C.; Matorras, F.; Munoz Sanchez, F. J.; Rodrigo, T.; Rodríguez-Marrero, A. Y.; Ruiz-Jimeno, A.; Scodellaro, L.; Vila, I.; Vilar Cortabitarte, R.; Abbaneo, D.; Auffray, E.; Auzinger, G.; Bachtis, M.; Baillon, P.; Ball, A. H.; Barney, D.; Benitez, J. F.; Bernet, C.; Bianchi, G.; Bloch, P.; Bocci, A.; Bonato, A.; Botta, C.; Breuker, H.; Camporesi, T.; Cerminara, G.; Christiansen, T.; Coarasa Perez, J. 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M.; Hirschauer, J.; Hooberman, B.; Jindariani, S.; Johnson, M.; Joshi, U.; Klima, B.; Kunori, S.; Kwan, S.; Leonidopoulos, C.; Linacre, J.; Lincoln, D.; Lipton, R.; Lykken, J.; Maeshima, K.; Marraffino, J. M.; Martinez Outschoorn, V. I.; Maruyama, S.; Mason, D.; McBride, P.; Mishra, K.; Mrenna, S.; Musienko, Y.; Newman-Holmes, C.; O’Dell, V.; Sexton-Kennedy, E.; Sharma, S.; Spalding, W. J.; Spiegel, L.; Taylor, L.; Tkaczyk, S.; Tran, N. V.; Uplegger, L.; Vaandering, E. W.; Vidal, R.; Whitmore, J.; Wu, W.; Yang, F.; Yun, J. C.; Acosta, D.; Avery, P.; Bourilkov, D.; Chen, M.; Cheng, T.; Das, S.; De Gruttola, M.; Di Giovanni, G. P.; Dobur, D.; Drozdetskiy, A.; Field, R. D.; Fisher, M.; Fu, Y.; Furic, I. K.; Gartner, J.; Hugon, J.; Kim, B.; Konigsberg, J.; Korytov, A.; Kropivnitskaya, A.; Kypreos, T.; Low, J. 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D.; Ma, T.; Nahn, S.; Paus, C.; Ralph, D.; Roland, C.; Roland, G.; Rudolph, M.; Stephans, G. S. F.; Stöckli, F.; Sumorok, K.; Sung, K.; Velicanu, D.; Wenger, E. A.; Wolf, R.; Wyslouch, B.; Yang, M.; Yilmaz, Y.; Yoon, A. S.; Zanetti, M.; Zhukova, V.; Dahmes, B.; De Benedetti, A.; Franzoni, G.; Gude, A.; Haupt, J.; Kao, S. C.; Klapoetke, K.; Kubota, Y.; Mans, J.; Pastika, N.; Rusack, R.; Sasseville, M.; Singovsky, A.; Tambe, N.; Turkewitz, J.; Cremaldi, L. M.; Kroeger, R.; Perera, L.; Rahmat, R.; Sanders, D. A.; Avdeeva, E.; Bloom, K.; Bose, S.; Claes, D. R.; Dominguez, A.; Eads, M.; Keller, J.; Kravchenko, I.; Lazo-Flores, J.; Malik, S.; Snow, G. R.; Godshalk, A.; Iashvili, I.; Jain, S.; Kharchilava, A.; Kumar, A.; Rappoccio, S.; Wan, Z.; Alverson, G.; Barberis, E.; Baumgartel, D.; Chasco, M.; Haley, J.; Nash, D.; Orimoto, T.; Trocino, D.; Wood, D.; Zhang, J.; Anastassov, A.; Hahn, K. A.; Kubik, A.; Lusito, L.; Mucia, N.; Odell, N.; Ofierzynski, R. 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T.; Leonardo, N.; Maroussov, V.; Merkel, P.; Miller, D. H.; Neumeister, N.; Shipsey, I.; Silvers, D.; Svyatkovskiy, A.; Vidal Marono, M.; Yoo, H. D.; Zablocki, J.; Zheng, Y.; Guragain, S.; Parashar, N.; Adair, A.; Akgun, B.; Boulahouache, C.; Ecklund, K. M.; Geurts, F. J. M.; Li, W.; Padley, B. P.; Redjimi, R.; Roberts, J.; Zabel, J.; Betchart, B.; Bodek, A.; Chung, Y. S.; Covarelli, R.; de Barbaro, P.; Demina, R.; Eshaq, Y.; Ferbel, T.; Garcia-Bellido, A.; Goldenzweig, P.; Han, J.; Harel, A.; Miner, D. C.; Vishnevskiy, D.; Zielinski, M.; Bhatti, A.; Ciesielski, R.; Demortier, L.; Goulianos, K.; Lungu, G.; Malik, S.; Mesropian, C.; Arora, S.; Barker, A.; Chou, J. 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W.; Balazs, M.; Boutle, S.; Cox, B.; Francis, B.; Goodell, J.; Hirosky, R.; Ledovskoy, A.; Lin, C.; Neu, C.; Wood, J.; Gollapinni, S.; Harr, R.; Karchin, P. E.; Kottachchi Kankanamge Don, C.; Lamichhane, P.; Sakharov, A.; Anderson, M.; Belknap, D. A.; Borrello, L.; Carlsmith, D.; Cepeda, M.; Dasu, S.; Friis, E.; Gray, L.; Grogg, K. S.; Grothe, M.; Hall-Wilton, R.; Herndon, M.; Hervé, A.; Klabbers, P.; Klukas, J.; Lanaro, A.; Lazaridis, C.; Loveless, R.; Mohapatra, A.; Mozer, M. U.; Ojalvo, I.; Palmonari, F.; Pierro, G. A.; Ross, I.; Savin, A.; Smith, W. H.; Swanson, J.

2013-05-01

Invariant mass spectra for jets reconstructed using the anti-kt and Cambridge-Aachen algorithms are studied for different jet "grooming" techniques in data corresponding to an integrated luminosity of 5 inverse femtobarns, recorded with the CMS detector in proton-proton collisions at the LHC at a center-of-mass energy of 7 TeV. Leading-order QCD predictions for inclusive dijet and W/Z+jet production combined with parton-shower Monte Carlo models are found to agree overall with the data, and the agreement improves with the implementation of jet grooming methods used to distinguish merged jets of large transverse momentum from softer QCD gluon radiation.

Studies of jet mass in dijet and W/Z+jet events

CERN Document Server

Chatrchyan, Serguei; Sirunyan, Albert M; Tumasyan, Armen; Adam, Wolfgang; Aguilo, Ernest; Bergauer, Thomas; Dragicevic, Marko; Erö, Janos; Fabjan, Christian; Friedl, Markus; Fruehwirth, Rudolf; Ghete, Vasile Mihai; Hörmann, Natascha; Hrubec, Josef; Jeitler, Manfred; Kiesenhofer, Wolfgang; Knünz, Valentin; Krammer, Manfred; Krätschmer, Ilse; Liko, Dietrich; Mikulec, Ivan; Pernicka, Manfred; Rabady, Dinyar; Rahbaran, Babak; Rohringer, Christine; Rohringer, Herbert; Schöfbeck, Robert; Strauss, Josef; Taurok, Anton; Waltenberger, Wolfgang; Wulz, Claudia-Elisabeth; Mossolov, Vladimir; Shumeiko, Nikolai; Suarez Gonzalez, Juan; Alderweireldt, Sara; Bansal, Monika; Bansal, Sunil; Cornelis, Tom; De Wolf, Eddi A; Janssen, Xavier; Luyckx, Sten; Mucibello, Luca; Ochesanu, Silvia; Roland, Benoit; Rougny, Romain; Van Haevermaet, Hans; Van Mechelen, Pierre; Van Remortel, Nick; Van Spilbeeck, Alex; Blekman, Freya; Blyweert, Stijn; D'Hondt, Jorgen; Gonzalez Suarez, Rebeca; Kalogeropoulos, Alexis; Maes, Michael; Olbrechts, Annik; Tavernier, Stefaan; Van Doninck, Walter; Van Mulders, Petra; Van Onsem, Gerrit Patrick; Villella, Ilaria; Clerbaux, Barbara; De Lentdecker, Gilles; Dero, Vincent; Gay, Arnaud; Hreus, Tomas; Léonard, Alexandre; Marage, Pierre Edouard; Mohammadi, Abdollah; Reis, Thomas; Thomas, Laurent; Vander Velde, Catherine; Vanlaer, Pascal; Wang, Jian; Adler, Volker; Beernaert, Kelly; Cimmino, Anna; Costantini, Silvia; Garcia, Guillaume; Grunewald, Martin; Klein, Benjamin; Lellouch, Jérémie; Marinov, Andrey; Mccartin, Joseph; Ocampo Rios, Alberto Andres; Ryckbosch, Dirk; Sigamani, Michael; Strobbe, Nadja; Thyssen, Filip; Tytgat, Michael; Walsh, Sinead; Yazgan, Efe; Zaganidis, Nicolas; Basegmez, Suzan; Bruno, Giacomo; Castello, Roberto; Ceard, Ludivine; Delaere, Christophe; Du Pree, Tristan; Favart, Denis; Forthomme, Laurent; Giammanco, Andrea; Hollar, Jonathan; Lemaitre, Vincent; Liao, Junhui; Militaru, Otilia; Nuttens, Claude; Pagano, Davide; Pin, Arnaud; Piotrzkowski, Krzysztof; Selvaggi, Michele; Vizan Garcia, Jesus Manuel; Beliy, Nikita; Caebergs, Thierry; Daubie, Evelyne; Hammad, Gregory Habib; Alves, Gilvan; Correa Martins Junior, Marcos; Martins, Thiago; Pol, Maria Elena; Henrique Gomes E Souza, Moacyr; Aldá Júnior, Walter Luiz; Carvalho, Wagner; Chinellato, Jose; Custódio, Analu; Melo Da Costa, Eliza; De Jesus Damiao, Dilson; De Oliveira Martins, Carley; Fonseca De Souza, Sandro; Malbouisson, Helena; Malek, Magdalena; Matos Figueiredo, Diego; Mundim, Luiz; Nogima, Helio; Prado Da Silva, Wanda Lucia; Santoro, Alberto; Soares Jorge, Luana; Sznajder, Andre; Tonelli Manganote, Edmilson José; Vilela Pereira, Antonio; Souza Dos Anjos, Tiago; Bernardes, Cesar Augusto; De Almeida Dias, Flavia; Tomei, Thiago; De Moraes Gregores, Eduardo; Lagana, Caio; Da Cunha Marinho, Franciole; Mercadante, Pedro G; Novaes, Sergio F; Padula, Sandra; Genchev, Vladimir; Iaydjiev, Plamen; Piperov, Stefan; Rodozov, Mircho; Stoykova, Stefka; Sultanov, Georgi; Tcholakov, Vanio; Trayanov, Rumen; Vutova, Mariana; Dimitrov, Anton; Hadjiiska, Roumyana; Kozhuharov, Venelin; Litov, Leander; Pavlov, Borislav; Petkov, Peicho; Bian, Jian-Guo; Chen, Guo-Ming; Chen, He-Sheng; Jiang, Chun-Hua; Liang, Dong; Liang, Song; Meng, Xiangwei; Tao, Junquan; Wang, Jian; Wang, Xianyou; Wang, Zheng; Xiao, Hong; Xu, Ming; Zang, Jingjing; Zhang, Zhen; Asawatangtrakuldee, Chayanit; Ban, Yong; Guo, Yifei; Li, Qiang; Li, Wenbo; Liu, Shuai; Mao, Yajun; Qian, Si-Jin; Wang, Dayong; Zhang, Linlin; Zou, Wei; Avila, Carlos; Carrillo Montoya, Camilo Andres; Gomez, Juan Pablo; Gomez Moreno, Bernardo; Osorio Oliveros, Andres Felipe; Sanabria, Juan Carlos; Godinovic, Nikola; Lelas, Damir; Plestina, Roko; Polic, Dunja; Puljak, Ivica; Antunovic, Zeljko; Kovac, Marko; Brigljevic, Vuko; Duric, Senka; Kadija, Kreso; Luetic, Jelena; Mekterovic, Darko; Morovic, Srecko; Tikvica, Lucija; Attikis, Alexandros; Galanti, Mario; Mavromanolakis, Georgios; Mousa, Jehad; Nicolaou, Charalambos; Ptochos, Fotios; Razis, Panos A; Finger, Miroslav; Finger Jr, Michael; Assran, Yasser; Elgammal, Sherif; Ellithi Kamel, Ali; Mahmoud, Mohammed; Radi, Amr; Kadastik, Mario; Müntel, Mait; Murumaa, Marion; Raidal, Martti; Rebane, Liis; Tiko, Andres; Eerola, Paula; Fedi, Giacomo; Voutilainen, Mikko; Härkönen, Jaakko; Heikkinen, Mika Aatos; Karimäki, Veikko; Kinnunen, Ritva; Kortelainen, Matti J; Lampén, Tapio; Lassila-Perini, Kati; Lehti, Sami; Lindén, Tomas; Luukka, Panja-Riina; Mäenpää, Teppo; Peltola, Timo; Tuominen, Eija; Tuominiemi, Jorma; Tuovinen, Esa; Ungaro, Donatella; Wendland, Lauri; Korpela, Arja; Tuuva, Tuure; Besancon, Marc; Choudhury, Somnath; Couderc, Fabrice; Dejardin, Marc; Denegri, Daniel; Fabbro, Bernard; Faure, Jean-Louis; Ferri, Federico; Ganjour, Serguei; Givernaud, Alain; Gras, Philippe; Hamel de Monchenault, Gautier; Jarry, Patrick; Locci, Elizabeth; Malcles, Julie; Millischer, Laurent; Nayak, Aruna; Rander, John; Rosowsky, André; Titov, Maksym; Baffioni, Stephanie; Beaudette, Florian; Benhabib, Lamia; Bianchini, Lorenzo; Bluj, Michal; Busson, Philippe; Charlot, Claude; Daci, Nadir; Dahms, Torsten; Dalchenko, Mykhailo; Dobrzynski, Ludwik; Florent, Alice; Granier de Cassagnac, Raphael; Haguenauer, Maurice; Miné, Philippe; Mironov, Camelia; Naranjo, Ivo Nicolas; Nguyen, Matthew; Ochando, Christophe; Paganini, Pascal; Sabes, David; Salerno, Roberto; Sirois, Yves; Veelken, Christian; Zabi, Alexandre; Agram, Jean-Laurent; Andrea, Jeremy; Bloch, Daniel; Bodin, David; Brom, Jean-Marie; Cardaci, Marco; Chabert, Eric Christian; Collard, Caroline; Conte, Eric; Drouhin, Frédéric; Fontaine, Jean-Charles; Gelé, Denis; Goerlach, Ulrich; Juillot, Pierre; Le Bihan, Anne-Catherine; Van Hove, Pierre; Beauceron, Stephanie; Beaupere, Nicolas; Bondu, Olivier; Boudoul, Gaelle; Brochet, Sébastien; Chasserat, Julien; Chierici, Roberto; Contardo, Didier; Depasse, Pierre; El Mamouni, Houmani; Fay, Jean; Gascon, Susan; Gouzevitch, Maxime; Ille, Bernard; Kurca, Tibor; Lethuillier, Morgan; Mirabito, Laurent; Perries, Stephane; Sgandurra, Louis; Sordini, Viola; Tschudi, Yohann; Verdier, Patrice; Viret, Sébastien; Tsamalaidze, Zviad; Autermann, Christian; Beranek, Sarah; Calpas, Betty; Edelhoff, Matthias; Feld, Lutz; Heracleous, Natalie; Hindrichs, Otto; Jussen, Ruediger; Klein, Katja; Merz, Jennifer; Ostapchuk, Andrey; Perieanu, Adrian; Raupach, Frank; Sammet, Jan; Schael, Stefan; Sprenger, Daniel; Weber, Hendrik; Wittmer, Bruno; Zhukov, Valery; Ata, Metin; Caudron, Julien; Dietz-Laursonn, Erik; Duchardt, Deborah; Erdmann, Martin; Fischer, Robert; Güth, Andreas; Hebbeker, Thomas; Heidemann, Carsten; Hoepfner, Kerstin; Klingebiel, Dennis; Kreuzer, Peter; Merschmeyer, Markus; Meyer, Arnd; Olschewski, Mark; Padeken, Klaas; Papacz, Paul; Pieta, Holger; Reithler, Hans; Schmitz, Stefan Antonius; Sonnenschein, Lars; Steggemann, Jan; Teyssier, Daniel; Thüer, Sebastian; Weber, Martin; Bontenackels, Michael; Cherepanov, Vladimir; Erdogan, Yusuf; Flügge, Günter; Geenen, Heiko; Geisler, Matthias; Haj Ahmad, Wael; Hoehle, Felix; Kargoll, Bastian; Kress, Thomas; Kuessel, Yvonne; Lingemann, Joschka; Nowack, Andreas; Nugent, Ian Michael; Perchalla, Lars; Pooth, Oliver; Sauerland, Philip; Stahl, Achim; Aldaya Martin, Maria; Asin, Ivan; Bartosik, Nazar; Behr, Joerg; Behrenhoff, Wolf; Behrens, Ulf; Bergholz, Matthias; Bethani, Agni; Borras, Kerstin; Burgmeier, Armin; Cakir, Altan; Calligaris, Luigi; Campbell, Alan; Castro, Elena; Costanza, Francesco; Dammann, Dirk; Diez Pardos, Carmen; Dorland, Tyler; Eckerlin, Guenter; Eckstein, Doris; Flucke, Gero; Geiser, Achim; Glushkov, Ivan; Gunnellini, Paolo; Habib, Shiraz; Hauk, Johannes; Hellwig, Gregor; Jung, Hannes; Kasemann, Matthias; Katsas, Panagiotis; Kleinwort, Claus; Kluge, Hannelies; Knutsson, Albert; Krämer, Mira; Krücker, Dirk; Kuznetsova, Ekaterina; Lange, Wolfgang; Leonard, Jessica; Lohmann, Wolfgang; Lutz, Benjamin; Mankel, Rainer; Marfin, Ihar; Marienfeld, Markus; Melzer-Pellmann, Isabell-Alissandra; Meyer, Andreas Bernhard; Mnich, Joachim; Mussgiller, Andreas; Naumann-Emme, Sebastian; Novgorodova, Olga; Nowak, Friederike; Olzem, Jan; Perrey, Hanno; Petrukhin, Alexey; Pitzl, Daniel; Raspereza, Alexei; Ribeiro Cipriano, Pedro M; Riedl, Caroline; Ron, Elias; Rosin, Michele; Salfeld-Nebgen, Jakob; Schmidt, Ringo; Schoerner-Sadenius, Thomas; Sen, Niladri; Spiridonov, Alexander; Stein, Matthias; Walsh, Roberval; Wissing, Christoph; Blobel, Volker; Enderle, Holger; Erfle, Joachim; Gebbert, Ulla; Görner, Martin; Gosselink, Martijn; Haller, Johannes; Hermanns, Thomas; Höing, Rebekka Sophie; Kaschube, Kolja; Kaussen, Gordon; Kirschenmann, Henning; Klanner, Robert; Lange, Jörn; Peiffer, Thomas; Pietsch, Niklas; Rathjens, Denis; Sander, Christian; Schettler, Hannes; Schleper, Peter; Schlieckau, Eike; Schmidt, Alexander; Schröder, Matthias; Schum, Torben; Seidel, Markus; Sibille, Jennifer; Sola, Valentina; Stadie, Hartmut; Steinbrück, Georg; Thomsen, Jan; Vanelderen, Lukas; Barth, Christian; Baus, Colin; Berger, Joram; Böser, Christian; Chwalek, Thorsten; De Boer, Wim; Descroix, Alexis; Dierlamm, Alexander; Feindt, Michael; Guthoff, Moritz; Hackstein, Christoph; Hartmann, Frank; Hauth, Thomas; Heinrich, Michael; Held, Hauke; Hoffmann, Karl-Heinz; Husemann, Ulrich; Katkov, Igor; Komaragiri, Jyothsna Rani; Lobelle Pardo, Patricia; Martschei, Daniel; Mueller, Steffen; Müller, Thomas; Niegel, Martin; Nürnberg, Andreas; Oberst, Oliver; Oehler, Andreas; Ott, Jochen; Quast, Gunter; Rabbertz, Klaus; Ratnikov, Fedor; Ratnikova, Natalia; Röcker, Steffen; Schilling, Frank-Peter; Schott, Gregory; Simonis, Hans-Jürgen; Stober, Fred-Markus Helmut; Troendle, Daniel; Ulrich, Ralf; Wagner-Kuhr, Jeannine; Wayand, Stefan; Weiler, Thomas; Zeise, Manuel; Anagnostou, Georgios; Daskalakis, Georgios; Geralis, Theodoros; Kesisoglou, Stilianos; Kyriakis, Aristotelis; Loukas, Demetrios; Manolakos, Ioannis; Markou, Athanasios; Markou, Christos; Ntomari, Eleni; Gouskos, Loukas; Mertzimekis, Theodoros; Panagiotou, Apostolos; Saoulidou, Niki; Evangelou, Ioannis; Foudas, Costas; Kokkas, Panagiotis; Manthos, Nikolaos; Papadopoulos, Ioannis; Bencze, Gyorgy; Hajdu, Csaba; Hidas, Pàl; Horvath, Dezso; Sikler, Ferenc; Veszpremi, Viktor; Vesztergombi, Gyorgy; Zsigmond, Anna Julia; Beni, Noemi; Czellar, Sandor; Molnar, Jozsef; Palinkas, Jozsef; Szillasi, Zoltan; Karancsi, János; Raics, Peter; Trocsanyi, Zoltan Laszlo; Ujvari, Balazs; Beri, Suman Bala; Bhatnagar, Vipin; Dhingra, Nitish; Gupta, Ruchi; Kaur, Manjit; Mehta, Manuk Zubin; Mittal, Monika; Nishu, Nishu; Saini, Lovedeep Kaur; Sharma, Archana; Singh, Jasbir; Kumar, Ashok; Kumar, Arun; Ahuja, Sudha; Bhardwaj, Ashutosh; Choudhary, Brajesh C; Malhotra, Shivali; Naimuddin, Md; Ranjan, Kirti; Saxena, Pooja; Sharma, Varun; Shivpuri, Ram Krishen; Banerjee, Sunanda; Bhattacharya, Satyaki; Chatterjee, Kalyanmoy; Dutta, Suchandra; Gomber, Bhawna; Jain, Sandhya; Jain, Shilpi; Khurana, Raman; Modak, Atanu; Mukherjee, Swagata; Roy, Debarati; Sarkar, Subir; Sharan, Manoj; Abdulsalam, Abdulla; Dutta, Dipanwita; Kailas, Swaminathan; Kumar, Vineet; Mohanty, Ajit Kumar; Pant, Lalit Mohan; Shukla, Prashant; Aziz, Tariq; Chatterjee, Rajdeep Mohan; Ganguly, Sanmay; Guchait, Monoranjan; Gurtu, Atul; Maity, Manas; Majumder, Gobinda; Mazumdar, Kajari; Mohanty, Gagan Bihari; Parida, Bibhuti; Sudhakar, Katta; Wickramage, Nadeesha; Banerjee, Sudeshna; Dugad, Shashikant; Arfaei, Hessamaddin; Bakhshiansohi, Hamed; Etesami, Seyed Mohsen; Fahim, Ali; Hashemi, Majid; Hesari, Hoda; Jafari, Abideh; Khakzad, Mohsen; Mohammadi Najafabadi, Mojtaba; Paktinat Mehdiabadi, Saeid; Safarzadeh, Batool; Zeinali, Maryam; Abbrescia, Marcello; Barbone, Lucia; Calabria, Cesare; Chhibra, Simranjit Singh; Colaleo, Anna; Creanza, Donato; De Filippis, Nicola; De Palma, Mauro; Fiore, Luigi; Iaselli, Giuseppe; Maggi, Giorgio; Maggi, Marcello; Marangelli, Bartolomeo; My, Salvatore; Nuzzo, Salvatore; Pacifico, Nicola; Pompili, Alexis; Pugliese, Gabriella; Selvaggi, Giovanna; Silvestris, Lucia; Singh, Gurpreet; Venditti, Rosamaria; Verwilligen, Piet; Zito, Giuseppe; Abbiendi, Giovanni; Benvenuti, Alberto; Bonacorsi, Daniele; Braibant-Giacomelli, Sylvie; Brigliadori, Luca; Capiluppi, Paolo; Castro, Andrea; Cavallo, Francesca Romana; Cuffiani, Marco; Dallavalle, Gaetano-Marco; Fabbri, Fabrizio; Fanfani, Alessandra; Fasanella, Daniele; Giacomelli, Paolo; Grandi, Claudio; Guiducci, Luigi; Marcellini, Stefano; Masetti, Gianni; Meneghelli, Marco; Montanari, Alessandro; Navarria, Francesco; Odorici, Fabrizio; Perrotta, Andrea; Primavera, Federica; Rossi, Antonio; Rovelli, Tiziano; Siroli, Gian Piero; Tosi, Nicolò; Travaglini, Riccardo; Albergo, Sebastiano; Cappello, Gigi; Chiorboli, Massimiliano; Costa, Salvatore; Potenza, Renato; Tricomi, Alessia; Tuve, Cristina; Barbagli, Giuseppe; Ciulli, Vitaliano; Civinini, Carlo; D'Alessandro, Raffaello; Focardi, Ettore; Frosali, Simone; Gallo, Elisabetta; Gonzi, Sandro; Meschini, Marco; Paoletti, Simone; Sguazzoni, Giacomo; Tropiano, Antonio; Benussi, Luigi; Bianco, Stefano; Colafranceschi, Stefano; Fabbri, Franco; Piccolo, Davide; Fabbricatore, Pasquale; Musenich, Riccardo; Tosi, Silvano; Benaglia, Andrea; De Guio, Federico; Di Matteo, Leonardo; Fiorendi, Sara; Gennai, Simone; Ghezzi, Alessio; Lucchini, Marco Toliman; Malvezzi, Sandra; Manzoni, Riccardo Andrea; Martelli, Arabella; Massironi, Andrea; Menasce, Dario; Moroni, Luigi; Paganoni, Marco; Pedrini, Daniele; Ragazzi, Stefano; Redaelli, Nicola; Tabarelli de Fatis, Tommaso; Buontempo, Salvatore; Cavallo, Nicola; De Cosa, Annapaola; Dogangun, Oktay; Fabozzi, Francesco; Iorio, Alberto Orso Maria; Lista, Luca; Meola, Sabino; Merola, Mario; Paolucci, Pierluigi; Azzi, Patrizia; Bacchetta, Nicola; Branca, Antonio; Carlin, Roberto; Checchia, Paolo; Dorigo, Tommaso; Gasparini, Fabrizio; Gasparini, Ugo; Gozzelino, Andrea; Kanishchev, Konstantin; Lacaprara, Stefano; Lazzizzera, Ignazio; Margoni, Martino; Meneguzzo, Anna Teresa; Pazzini, Jacopo; Pozzobon, Nicola; Ronchese, Paolo; Sgaravatto, Massimo; Simonetto, Franco; Torassa, Ezio; Tosi, Mia; Vanini, Sara; Zotto, Pierluigi; Zucchetta, Alberto; Zumerle, Gianni; Gabusi, Michele; Ratti, Sergio P; Riccardi, Cristina; Torre, Paola; Vitulo, Paolo; Biasini, Maurizio; Bilei, Gian Mario; Fanò, Livio; Lariccia, Paolo; Mantovani, Giancarlo; Menichelli, Mauro; Nappi, Aniello; Romeo, Francesco; Saha, Anirban; Santocchia, Attilio; Spiezia, Aniello; Taroni, Silvia; Azzurri, Paolo; Bagliesi, Giuseppe; Bernardini, Jacopo; Boccali, Tommaso; Broccolo, Giuseppe; Castaldi, Rino; D'Agnolo, Raffaele Tito; Dell'Orso, Roberto; Fiori, Francesco; Foà, Lorenzo; Giassi, Alessandro; Kraan, Aafke; Ligabue, Franco; Lomtadze, Teimuraz; Martini, Luca; Messineo, Alberto; Palla, Fabrizio; Rizzi, Andrea; Serban, Alin Titus; Spagnolo, Paolo; Squillacioti, Paola; Tenchini, Roberto; Tonelli, Guido; Venturi, Andrea; Verdini, Piero Giorgio; Barone, Luciano; Cavallari, Francesca; Del Re, Daniele; Diemoz, Marcella; Fanelli, Cristiano; Grassi, Marco; Longo, Egidio; Meridiani, Paolo; Micheli, Francesco; Nourbakhsh, Shervin; Organtini, Giovanni; Paramatti, Riccardo; Rahatlou, Shahram; Soffi, Livia; Amapane, Nicola; Arcidiacono, Roberta; Argiro, Stefano; Arneodo, Michele; Biino, Cristina; Cartiglia, Nicolo; Casasso, Stefano; Costa, Marco; Demaria, Natale; Mariotti, Chiara; Maselli, Silvia; Migliore, Ernesto; Monaco, Vincenzo; Musich, Marco; Obertino, Maria Margherita; Pastrone, Nadia; Pelliccioni, Mario; Potenza, Alberto; Romero, Alessandra; Ruspa, Marta; Sacchi, Roberto; Solano, Ada; Staiano, Amedeo; Belforte, Stefano; Candelise, Vieri; Casarsa, Massimo; Cossutti, Fabio; Della Ricca, Giuseppe; Gobbo, Benigno; Marone, Matteo; Montanino, Damiana; Penzo, Aldo; Schizzi, Andrea; Kim, Tae Yeon; Nam, Soon-Kwon; Chang, Sunghyun; Kim, Dong Hee; Kim, Gui Nyun; Kong, Dae Jung; Park, Hyangkyu; Son, Dong-Chul; Kim, Jae Yool; Kim, Zero Jaeho; Song, Sanghyeon; Choi, Suyong; Gyun, Dooyeon; Hong, Byung-Sik; Jo, Mihee; Kim, Hyunchul; Kim, Tae Jeong; Lee, Kyong Sei; Moon, Dong Ho; Park, Sung Keun; Roh, Youn; Choi, Minkyoo; Kim, Ji Hyun; Park, Chawon; Park, Inkyu; Park, Sangnam; Ryu, Geonmo; Choi, Young-Il; Choi, Young Kyu; Goh, Junghwan; Kim, Min Suk; Kwon, Eunhyang; Lee, Byounghoon; Lee, Jongseok; Lee, Sungeun; Seo, Hyunkwan; Yu, Intae; Bilinskas, Mykolas Jurgis; Grigelionis, Ignas; Janulis, Mindaugas; Juodagalvis, Andrius; Castilla-Valdez, Heriberto; De La Cruz-Burelo, Eduard; Heredia-de La Cruz, Ivan; Lopez-Fernandez, Ricardo; Martínez-Ortega, Jorge; Sánchez Hernández, Alberto; Villasenor-Cendejas, Luis Manuel; Carrillo Moreno, Salvador; Vazquez Valencia, Fabiola; Salazar Ibarguen, Humberto Antonio; Casimiro Linares, Edgar; Morelos Pineda, Antonio; Reyes-Santos, Marco A; Krofcheck, David; Bell, Alan James; Butler, Philip H; Doesburg, Robert; Reucroft, Steve; Silverwood, Hamish; Ahmad, Muhammad; Asghar, Muhammad Irfan; Butt, Jamila; Hoorani, Hafeez R; Khalid, Shoaib; Khan, Wajid Ali; Khurshid, Taimoor; Qazi, Shamona; Shah, Mehar Ali; Shoaib, Muhammad; Bialkowska, Helena; Boimska, Bożena; Frueboes, Tomasz; Górski, Maciej; Kazana, Malgorzata; Nawrocki, Krzysztof; Romanowska-Rybinska, Katarzyna; Szleper, Michal; Wrochna, Grzegorz; Zalewski, Piotr; Brona, Grzegorz; Bunkowski, Karol; Cwiok, Mikolaj; Dominik, Wojciech; Doroba, Krzysztof; Kalinowski, Artur; Konecki, Marcin; Krolikowski, Jan; Misiura, Maciej; Wolszczak, Weronika; Almeida, Nuno; Bargassa, Pedrame; David Tinoco Mendes, Andre; Faccioli, Pietro; Ferreira Parracho, Pedro Guilherme; Gallinaro, Michele; Seixas, Joao; Varela, Joao; Vischia, Pietro; Bunin, Pavel; Golutvin, Igor; Gorbunov, Ilya; Kamenev, Alexey; Karjavin, Vladimir; Konoplyanikov, Viktor; Kozlov, Guennady; Lanev, Alexander; Malakhov, Alexander; Moisenz, Petr; Palichik, Vladimir; Perelygin, Victor; Shmatov, Sergey; Shulha, Siarhei; Smirnov, Vitaly; Volodko, Anton; Zarubin, Anatoli; Evstyukhin, Sergey; Golovtsov, Victor; Ivanov, Yury; Kim, Victor; Levchenko, Petr; Murzin, Victor; Oreshkin, Vadim; Smirnov, Igor; Sulimov, Valentin; Uvarov, Lev; Vavilov, Sergey; Vorobyev, Alexey; Vorobyev, Andrey; Andreev, Yuri; Dermenev, Alexander; Gninenko, Sergei; Golubev, Nikolai; Kirsanov, Mikhail; Krasnikov, Nikolai; Matveev, Viktor; Pashenkov, Anatoli; Tlisov, Danila; Toropin, Alexander; Epshteyn, Vladimir; Erofeeva, Maria; Gavrilov, Vladimir; Kossov, Mikhail; Lychkovskaya, Natalia; Popov, Vladimir; Safronov, Grigory; Semenov, Sergey; Shreyber, Irina; Stolin, Viatcheslav; Vlasov, Evgueni; Zhokin, Alexander; Andreev, Vladimir; Azarkin, Maksim; Dremin, Igor; Kirakosyan, Martin; Leonidov, Andrey; Mesyats, Gennady; Rusakov, Sergey V; Vinogradov, Alexey; Belyaev, Andrey; Boos, Edouard; Dubinin, Mikhail; Dudko, Lev; Ershov, Alexander; Gribushin, Andrey; Klyukhin, Vyacheslav; Kodolova, Olga; Lokhtin, Igor; Markina, Anastasia; Obraztsov, Stepan; Perfilov, Maxim; Petrushanko, Sergey; Popov, Andrey; Sarycheva, Ludmila; Savrin, Viktor; Snigirev, Alexander; Azhgirey, Igor; Bayshev, Igor; Bitioukov, Sergei; Grishin, Viatcheslav; Kachanov, Vassili; Konstantinov, Dmitri; Krychkine, Victor; Petrov, Vladimir; Ryutin, Roman; Sobol, Andrei; Tourtchanovitch, Leonid; Troshin, Sergey; Tyurin, Nikolay; Uzunian, Andrey; Volkov, Alexey; Adzic, Petar; Djordjevic, Milos; Ekmedzic, Marko; Krpic, Dragomir; Milosevic, Jovan; Aguilar-Benitez, Manuel; Alcaraz Maestre, Juan; Arce, Pedro; Battilana, Carlo; Calvo, Enrique; Cerrada, Marcos; Chamizo Llatas, Maria; Colino, Nicanor; De La Cruz, Begona; Delgado Peris, Antonio; Domínguez Vázquez, Daniel; Fernandez Bedoya, Cristina; Fernández Ramos, Juan Pablo; Ferrando, Antonio; Flix, Jose; Fouz, Maria Cruz; Garcia-Abia, Pablo; Gonzalez Lopez, Oscar; Goy Lopez, Silvia; Hernandez, Jose M; Josa, Maria Isabel; Merino, Gonzalo; Puerta Pelayo, Jesus; Quintario Olmeda, Adrián; Redondo, Ignacio; Romero, Luciano; Santaolalla, Javier; Senghi Soares, Mara; Willmott, Carlos; Albajar, Carmen; Codispoti, Giuseppe; de Trocóniz, Jorge F; Brun, Hugues; Cuevas, Javier; Fernandez Menendez, Javier; Folgueras, Santiago; Gonzalez Caballero, Isidro; Lloret Iglesias, Lara; Piedra Gomez, Jonatan; Brochero Cifuentes, Javier Andres; Cabrillo, Iban Jose; Calderon, Alicia; Chuang, Shan-Huei; Duarte Campderros, Jordi; Felcini, Marta; Fernandez, Marcos; Gomez, Gervasio; Gonzalez Sanchez, Javier; Graziano, Alberto; Jorda, Clara; Lopez Virto, Amparo; Marco, Jesus; Marco, Rafael; Martinez Rivero, Celso; Matorras, Francisco; Munoz Sanchez, Francisca Javiela; Rodrigo, Teresa; Rodríguez-Marrero, Ana Yaiza; Ruiz-Jimeno, Alberto; Scodellaro, Luca; Vila, Ivan; Vilar Cortabitarte, Rocio; Abbaneo, Duccio; Auffray, Etiennette; Auzinger, Georg; Bachtis, Michail; Baillon, Paul; Ball, Austin; Barney, David; Benitez, Jose F; Bernet, Colin; Bianchi, Giovanni; Bloch, Philippe; Bocci, Andrea; Bonato, Alessio; Botta, Cristina; Breuker, Horst; Camporesi, Tiziano; Cerminara, Gianluca; Christiansen, Tim; Coarasa Perez, Jose Antonio; D'Enterria, David; Dabrowski, Anne; De Roeck, Albert; De Visscher, Simon; Di Guida, Salvatore; Dobson, Marc; Dupont-Sagorin, Niels; Elliott-Peisert, Anna; Frisch, Benjamin; Funk, Wolfgang; Georgiou, Georgios; Giffels, Manuel; Gigi, Dominique; Gill, Karl; 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2013-05-17

Invariant mass spectra for jets reconstructed using the anti-kt and Cambridge-Aachen algorithms are studied for different jet "grooming" techniques in data corresponding to an integrated luminosity of 5 inverse femtobarns, recorded with the CMS detector in proton-proton collisions at the LHC at a center-of-mass energy of 7 TeV. Leading-order QCD predictions for inclusive dijet and W/Z+jet production combined with parton-shower Monte Carlo models are found to agree overall with the data, and the agreement improves with the implementation of jet grooming methods used to distinguish merged jets of large transverse momentum from softer QCD gluon radiation.

Non‐Canonical Replication Initiation: You’re Fired!

Directory of Open Access Journals (Sweden)

Bazilė Ravoitytė

2017-01-01

Full Text Available The division of prokaryotic and eukaryotic cells produces two cells that inherit a perfect copy of the genetic material originally derived from the mother cell. The initiation of canonical DNA replication must be coordinated to the cell cycle to ensure the accuracy of genome duplication. Controlled replication initiation depends on a complex interplay of cis‐acting DNA sequences, the so‐called origins of replication (ori, with trans‐acting factors involved in the onset of DNA synthesis. The interplay of cis‐acting elements and trans‐acting factors ensures that cells initiate replication at sequence‐specific sites only once, and in a timely order, to avoid chromosomal endoreplication. However, chromosome breakage and excessive RNA:DNA hybrid formation can cause breakinduced (BIR or transcription‐initiated replication (TIR, respectively. These non‐canonical replication events are expected to affect eukaryotic genome function and maintenance, and could be important for genome evolution and disease development. In this review, we describe the difference between canonical and non‐canonical DNA replication, and focus on mechanistic differences and common features between BIR and TIR. Finally, we discuss open issues on the factors and molecular mechanisms involved in TIR.

Porting Initiation and Failure into Linked CHEETAH

Science.gov (United States)

Souers, Clark; Vitello, Peter

2007-06-01

Linked CHEETAH is a thermo-chemical code coupled to a 2-D hydrocode. Initially, a quadratic-pressure dependent kinetic rate was used, which worked well in modeling prompt detonation of explosives of large size, but does not work on other aspects of explosive behavior. The variable-pressure Tarantula reactive flow rate model was developed with JWL++ in order to also describe failure and initiation, and we have moved this model into Linked CHEETAH. The model works by turning on only above a pressure threshold, where a slow turn-on creates initiation. At a higher pressure, the rate suddenly leaps to a large value over a small pressure range. A slowly failing cylinder will see a rapidly declining rate, which pushes it quickly into failure. At a high pressure, the detonation rate is constant. A sequential validation procedure is used, which includes metal-confined cylinders, rate-sticks, corner-turning, initiation and threshold, gap tests and air gaps. The size (diameter) effect is central to the calibration. This work was performed under the auspices of the U.S. Department of Energy by the University of California Lawrence Livermore National Laboratory under contract No. W-7405-Eng-48.

Nuclear propulsion for the space exploration initiative

International Nuclear Information System (INIS)

Stanley, M.L.

1991-01-01

President Bush's speech of July 20, 1989, outlining a goal to go back to the moon and then Mars initiated the Space Exploration Initiative (SEI). The US Department of Defense (DOD), US Department of Energy (DOE), and NASA have been working together in the planning necessary to initiate a program to develop a nuclear propulsion system. Applications of nuclear technology for in-space transfer of personnel and cargo between Earth orbit and lunar or Martian orbit are being considered as alternatives to chemical propulsion systems. Mission and system concept studies conducted over the past 30 yr have consistently indicated that use of nuclear technology can substantially reduce in-space propellant requirements. A variety of nuclear technology options are currently being studied, including nuclear thermal rockets, nuclear electrical propulsion systems, and hybrid nuclear thermal rockets/nuclear electric propulsion concepts. Concept performance in terms of thrust, weight, power, and efficiency are dependent, and appropriate concept application is mission dependent (i.e., lunar, Mars, cargo, personnel, trajectory, transit time, payload). A comprehensive evaluation of mission application, technology performance capability and maturity, technology development programmatics, and safety characteristics is required to optimize both technology and mission selection to support the Presidential initiative

The initial phase of sudden releases of superheated liquid

International Nuclear Information System (INIS)

Schmidli, J.; Yadigaroglu, G.

1994-01-01

Series of experiments were conducted with refrigerants-114, -12, propane and butane to investigate the initial phase of sudden releases of superheated liquids due to the catastrophic failure of the vessel containing them. The experiments were initiated by shattering spherical flasks of 100 to 2000 ml containing the liquefied, pressurized gases. The variable parameters were the initial superheat, the filling level, the height of the flask above ground, and the relative humidity of the surrounding air. It was found that the initial flashing process is not determined by homogeneous nucleation, but rather by surface instabilities which lead to an evaporation wave traveling from the initial surface towards the center of the released mass. Cloud shape and expansion velocity could be determined from high speed recordings covering the initial stage of the release during which gravity has no influence. When the internal energy was sufficient, it was observed that the expanding droplet/vapor cloud initially propagated spherically with a constant expansion velocity, until Rayleigh-Taylor type instabilities appeared at its surface. Information about the pool which can be formed on the ground, the pressure decay within the flask, the droplet size, and the cloud temperature was collected. The experimental findings for the expansion velocity, as well as for the pool fraction, were the base for a nondimensional analysis leading to correlations which describe the initial phase of such releases and can be used to define the ''source term'' for turbulent dispersion models. (author) 5 figs., 1 tab., 15 refs

Improved Fuzzy Art Method for Initializing K-means

Directory of Open Access Journals (Sweden)

Sevinc Ilhan

2010-09-01

Full Text Available The K-means algorithm is quite sensitive to the cluster centers selected initially and can perform different clusterings depending on these initialization conditions. Within the scope of this study, a new method based on the Fuzzy ART algorithm which is called Improved Fuzzy ART (IFART is used in the determination of initial cluster centers. By using IFART, better quality clusters are achieved than Fuzzy ART do and also IFART is as good as Fuzzy ART about capable of fast clustering and capability on large scaled data clustering. Consequently, it is observed that, with the proposed method, the clustering operation is completed in fewer steps, that it is performed in a more stable manner by fixing the initialization points and that it is completed with a smaller error margin compared with the conventional K-means.

The NEA Nuclear Innovation 2050 Initiative

International Nuclear Information System (INIS)

Rayment, Fiona; ); Deffrennes, Marc; )

2017-01-01

The NEA launched its Nuclear Innovation 2050 (NI2050) Initiative with the aim of identifying research and development (R and D) strategies and associated priorities to achieve commercial readiness of innovative, sustainable nuclear fission technologies in a fast and cost-effective way. As defined at the beginning of the process, these R and D strategies would be elaborated with NEA stakeholders at large, in particular involving nearly all NEA committees, nuclear research organisations, industry, regulators and technical safety organisations. The NI2050 Initiative has evolved over the last year to become an NEA incubator for the selection and development of a number of large nuclear fission R and D programs (and infrastructures) that can support the role of nuclear energy in a low carbon future, mainly by accelerating innovation and the market deployment of technologies. This article provides a brief overview and the next steps of the initiative, which has reached the stage where more concrete outcomes might now be expected, in particular in terms of programs of action to be proposed for co-operative implementation

Initial ionization stage of FRC formation

International Nuclear Information System (INIS)

Commisso, R.J.; Armstrong, W.T.; Cochrane, J.C.; Ekdahl, C.A.; Lipson, J.; Linford, R.K.; Sherwood, E.G.; Siemon, R.E.; Tuszewski, M.

1980-01-01

A Field-Reversed Configuration (FRC) is a prolate compact torus that is confined by poloidal fields only. Theta-pinch formation of an FRC employs an initial bias field, B 1 , whose direction is opposite to that of the main theta-pinch field. Some fraction of the flux associated with this bias field eventually constitutes the closed-field-line flux of the FRC. Experimental and theoretical evidence suggest that the longest-lived FRC's are obtained when the closed flux is maximized. Because the initial ionization is done in the presence of the bias field, the actual bias flux available at the time of application of the main theta-pinch field depends strongly on the initial ionization, or preionization, technique used. In this paper we report on experiments characterizing the previously used theta-pinch preionization technique that employed a net field (bias plus preionization) null, or zero-crossing, of the axial component of the magnetic field to break down the gas. We also discuss results of experiments designed to develop preionization techniques in which the gas breakdown is not accomplished by a zero-crossing

An educational initiative to improve medical student awareness about brain death.

Science.gov (United States)

Lewis, Ariane; Howard, Jonathan; Watsula-Morley, Amanda; Gillespie, Colleen

2018-04-01

Medical student knowledge about brain death determination is limited. We describe an educational initiative to improve medical student awareness about brain death and assess the impact of this initiative. Beginning in July 2016, students at our medical school were required to attend a 90-min brain death didactic and simulation session during their neurology clerkship. Students completed a test immediately before and after participating in the initiative. Of the 145 students who participated in this educational initiative between July 2016 and June 2017, 124 (86%) consented to have their data used for research purposes as part of a medical education registry. Students correctly answered a median of 53% of questions (IQR 47-58%) on the pretest and 86% of questions (IQR 78-89%) on the posttest (p initiative (18% of students were comfortable performing a brain death evaluation before the initiative and 86% were comfortable doing so after the initiative, p initiative and 76% were comfortable doing so after the initiative, p initiative, but awareness and comfort dealing with brain death improved significantly after this initiative. Copyright © 2018 Elsevier B.V. All rights reserved.

Global nuclear cleanout initiative 2004

International Nuclear Information System (INIS)

Edlow, J.; Gruber, G.

2004-01-01

Full text: During more than 50 years of Atoms for Peace programmes nuclear materials were spread out worldwide. Stranded nuclear materials from nuclear research are left over without any safe back-end solution. 'Dirty Bombs' or so-called 'Radioactive Dispersal Devices (RDD)' are no longer science fiction since the world experienced the 9/11 attack. Governmental, NGO's and private industry organizations having discussed Global Nuclear Cleanout since then and start to take actions. The US Department of Energy (DOE) has announced to establish a dedicated organization in cooperation with IAEA and start the 'Global Threat Reduction Initiative (GTRI)'. The US government will allocate to that program USD 450 M over the next 10 years. Besides the historical development the paper will focus on the progress of the different initiatives and perspectives to threat reduction. (author)

Initial Semantics for Strengthened Signatures

Directory of Open Access Journals (Sweden)

André Hirschowitz

2012-02-01

Full Text Available We give a new general definition of arity, yielding the companion notions of signature and associated syntax. This setting is modular in the sense requested by Ghani and Uustalu: merging two extensions of syntax corresponds to building an amalgamated sum. These signatures are too general in the sense that we are not able to prove the existence of an associated syntax in this general context. So we have to select arities and signatures for which there exists the desired initial monad. For this, we follow a track opened by Matthes and Uustalu: we introduce a notion of strengthened arity and prove that the corresponding signatures have initial semantics (i.e. associated syntax. Our strengthened arities admit colimits, which allows the treatment of the λ-calculus with explicit substitution.

Motivators to Adopt Green Supply Chain Initiatives

OpenAIRE

Amarpreet S. Kohli; Ellen Hawkins

2015-01-01

There are several factors that drive organizations to consider implementing green supply chain (GSC) initiatives. This paper refines an instrument to empirically test the significance of the following drivers for participation in GSC initiatives: Government Regulation, Buyer/Supply Chain Influence, Internal Readiness, Competitive Advantage, and Corporate Social Responsibility. Corporate Social Responsibility emerged as the most significant variable that effected the decision making of the org...

The Influence of Power and Individualism-Collectivism on Negotiation Initiation

Directory of Open Access Journals (Sweden)

Roger Volkema

2016-11-01

Full Text Available Negotiation is an essential business process, with the initiation of a negotiation likely to affect how the process unfolds. Despite the fact that opportunities are often lost when one or more parties fail to initiate, initiation has until recently been overlooked in negotiation process models and research. This paper reports findings from a study that examines the effects situational/contextual factors and culture have on the initiation process (engaging a prospective counterpart, making a request, and optimizing that request, focusing specifically on relative bargaining power (a situational factor and individualism-collectivism. Higher bargaining power was found to increase the likelihood of initiation intentionality in general as well as the requesting and optimizing phases more specifically. In addition, individualism/collectivism was also found to affect initiation, with individualists more likely than collectivists to initiate a negotiation. Further, this effect was enhanced when individualists had high relative bargaining power. The theoretical and practical implications of these findings are discussed, with suggestions for future research.

SCC Initiation Testing of Alloy 600 in High Temperature Water

Science.gov (United States)

Etien, Robert A.; Richey, Edward; Morton, David S.; Eager, Julie

Stress corrosion cracking (SCC) initiation tests have been conducted on Alloy 600 at temperatures from 304 to 367°C. Tests were conducted with in-situ monitored smooth tensile specimens under a constant load in hydrogenated environments. A reversing direct current electric potential drop (EPD) system was used for all of the tests to detect SCC initiation. Tests were conducted to examine the effects of stress (and strain), coolant hydrogen, and temperature on SCC initiation time. The thermal activation energy of SCC initiation was measured as 103 ± 18 kJ/mol in hydrogenated water, which is similar to the thermal activation energy for SCC growth. Results suggest that the fundamental mechanical parameter which controls SCC initiation is plastic strain not stress. SCC initiation was shown to have a different sensitivity than SCC growth to dissolved hydrogen level. Specifically, SCC initiation time appears to be relatively insensitive to hydrogen level in the nickel stability region.

Using Population Dose to Evaluate Community-level Health Initiatives.

Science.gov (United States)

Harner, Lisa T; Kuo, Elena S; Cheadle, Allen; Rauzon, Suzanne; Schwartz, Pamela M; Parnell, Barbara; Kelly, Cheryl; Solomon, Loel

2018-05-01

Successful community-level health initiatives require implementing an effective portfolio of strategies and understanding their impact on population health. These factors are complicated by the heterogeneity of overlapping multicomponent strategies and availability of population-level data that align with the initiatives. To address these complexities, the population dose methodology was developed for planning and evaluating multicomponent community initiatives. Building on the population dose methodology previously developed, this paper operationalizes dose estimates of one initiative targeting youth physical activity as part of the Kaiser Permanente Community Health Initiative, a multicomponent community-level obesity prevention initiative. The technical details needed to operationalize the population dose method are explained, and the use of population dose as an interim proxy for population-level survey data is introduced. The alignment of the estimated impact from strategy-level data analysis using the dose methodology and the data from the population-level survey suggest that dose is useful for conducting real-time evaluation of multiple heterogeneous strategies, and as a viable proxy for existing population-level surveys when robust strategy-level evaluation data are collected. This article is part of a supplement entitled Building Thriving Communities Through Comprehensive Community Health Initiatives, which is sponsored by Kaiser Permanente, Community Health. Copyright © 2018 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

Stirling to Flight Initiative

Science.gov (United States)

Hibbard, Kenneth E.; Mason, Lee S.; Ndu, Obi; Smith, Clayton; Withrow, James P.

2016-01-01

Flight (S2F) initiative with the objective of developing a 100-500 We Stirling generator system. Additionally, a different approach is being devised for this initiative to avoid pitfalls of the past, and apply lessons learned from the recent ASRG experience. Two key aspects of this initiative are a Stirling System Technology Maturation Effort, and a Surrogate Mission Team (SMT) intended to provide clear mission pull and requirements context. The S2F project seeks to lead directly into a DOE flight system development of a new SRG. This paper will detail the proposed S2F initiative, and provide specifics on the key efforts designed to pave a forward path for bringing Stirling technology to flight.

Cosmological constant and general isocurvature initial conditions

International Nuclear Information System (INIS)

Trotta, R.; Riazuelo, A.; Durrer, R.

2003-01-01

We investigate in detail the question of whether a nonvanishing cosmological constant is required by the present-day cosmic microwave background and large scale structure data when general isocurvature initial conditions are taken into account. We also discuss the differences between the usual Bayesian and the frequentist approaches in data analysis. We show that the Cosmic Background Explorer (COBE)-normalized matter power spectrum is dominated by the adiabatic mode and therefore breaks the degeneracy between initial conditions which is present in the cosmic microwave background anisotropies. We find that in a flat universe the Bayesian analysis requires Ω Λ =e0 to more than 3σ, while in the frequentist approach Ω Λ =0 is still within 3σ for a value of h≤0.48. Both conclusions hold regardless of the initial conditions

Full-field initialized decadal predictions with the MPI earth system model: an initial shock in the North Atlantic

Science.gov (United States)

Kröger, Jürgen; Pohlmann, Holger; Sienz, Frank; Marotzke, Jochem; Baehr, Johanna; Köhl, Armin; Modali, Kameswarrao; Polkova, Iuliia; Stammer, Detlef; Vamborg, Freja S. E.; Müller, Wolfgang A.

2017-12-01

Our decadal climate prediction system, which is based on the Max-Planck-Institute Earth System Model, is initialized from a coupled assimilation run that utilizes nudging to selected state parameters from reanalyses. We apply full-field nudging in the atmosphere and either full-field or anomaly nudging in the ocean. Full fields from two different ocean reanalyses are considered. This comparison of initialization strategies focuses on the North Atlantic Subpolar Gyre (SPG) region, where the transition from anomaly to full-field nudging reveals large differences in prediction skill for sea surface temperature and ocean heat content (OHC). We show that nudging of temperature and salinity in the ocean modifies OHC and also induces changes in mass and heat transports associated with the ocean flow. In the SPG region, the assimilated OHC signal resembles well OHC from observations, regardless of using full fields or anomalies. The resulting ocean transport, on the other hand, reveals considerable differences between full-field and anomaly nudging. In all assimilation runs, ocean heat transport together with net heat exchange at the surface does not correspond to OHC tendencies, the SPG heat budget is not closed. Discrepancies in the budget in the cases of full-field nudging exceed those in the case of anomaly nudging by a factor of 2-3. The nudging-induced changes in ocean transport continue to be present in the free running hindcasts for up to 5 years, a clear expression of memory in our coupled system. In hindcast mode, on annual to inter-annual scales, ocean heat transport is the dominant driver of SPG OHC. Thus, we ascribe a significant reduction in OHC prediction skill when using full-field instead of anomaly initialization to an initialization shock resulting from the poor initialization of the ocean flow.

Studies on the disbonding initiation of interfacial cracks.

Energy Technology Data Exchange (ETDEWEB)

McAdams, Brian J. (Lehigh University, Bethlehem, PA); Pearson, Raymond A. (Lehigh University, Bethlehem, PA)

2005-08-01

With the continuing trend of decreasing feature sizes in flip-chip assemblies, the reliability tolerance to interfacial flaws is also decreasing. Small-scale disbonds will become more of a concern, pointing to the need for a better understanding of the initiation stage of interfacial delamination. With most accepted adhesion metric methodologies tailored to predict failure under the prior existence of a disbond, the study of the initiation phenomenon is open to development and standardization of new testing procedures. Traditional fracture mechanics approaches are not suitable, as the mathematics assume failure to originate at a disbond or crack tip. Disbond initiation is believed to first occur at free edges and corners, which act as high stress concentration sites and exhibit singular stresses similar to a crack tip, though less severe in intensity. As such, a 'fracture mechanics-like' approach may be employed which defines a material parameter--a critical stress intensity factor (K{sub c})--that can be used to predict when initiation of a disbond at an interface will occur. The factors affecting the adhesion of underfill/polyimide interfaces relevant to flip-chip assemblies were investigated in this study. The study consisted of two distinct parts: a comparison of the initiation and propagation phenomena and a comparison of the relationship between sub-critical and critical initiation of interfacial failure. The initiation of underfill interfacial failure was studied by characterizing failure at a free-edge with a critical stress intensity factor. In comparison with the interfacial fracture toughness testing, it was shown that a good correlation exists between the initiation and propagation of interfacial failures. Such a correlation justifies the continuing use of fracture mechanics to predict the reliability of flip-chip packages. The second aspect of the research involved fatigue testing of tensile butt joint specimens to determine lifetimes at sub

Modular initiator with integrated optical diagnostic

Science.gov (United States)

Alam, M Kathleen [Cedar Crest, NM; Schmitt, Randal L [Tijeras, NM; Welle, Eric J [Niceville, FL; Madden, Sean P [Arlington, MA

2011-05-17

A slapper detonator which integrally incorporates an optical wavequide structure for determining whether there has been degradation of the explosive in the explosive device that is to be initiated by the detonator. Embodiments of this invention take advantage of the barrel-like character of a typical slapper detonator design. The barrel assembly, being in direct contact with the energetic material, incorporates an optical diagnostic device into the barrel assembly whereby one can monitor the state of the explosive material. Such monitoring can be beneficial because the chemical degradation of the explosive plays an important in achieving proper functioning of a detonator/initiator device.

Initial photoinduced dynamics of the photoactive yellow protein

NARCIS (Netherlands)

Larsen, D.S.; van Grondelle, R.

2005-01-01

The photoactive yellow protein (PYP) is the photoreceptor protein responsible for initiating the blue-light repellent response of the Halorhodospira halophila bacterium. Optical excitation of the intrinsic chromophore in PYP, p-coumaric acid, leads to the initiation of a photocycle that comprises

Initial kinetics of the direct sulfation of limestone

DEFF Research Database (Denmark)

Hu, Guilin; Shang, Lei; Dam-Johansen, Kim

2008-01-01

The initial kinetics of direct sulfation of Faxe Bryozo, a porous bryozoan limestone was studied in the temperature interval from 873 to 973 K in a pilot entrained flow reactor with very short reaction times (between 0.1 and 0.6 s). The initial conversion rate of the limestone - for conversions...... less than 0.3% - was observed to be significantly promoted by higher SO2 concentrations and lower CO2 concentrations, whereas 02 showed negligible influence. A mathematical model for the sulfation of limestone involving chemical reaction at calcite grain surfaces and solid-state diffusion of carbonate...... ions in calcite grains is established. The validity of the model is limited to the initial sulfation period, in which nucleation of the solid product calcium sulphate is not started. This theoretical reaction-diffusion model gives a good simulation of the initial kinetics of the direct sulfation...

The Luxembourg Space Resources Initiative

Science.gov (United States)

Link, M.

2017-09-01

This keynote talk by M. Link from the Directorate of ICT and Space Affairs, Ministry of the Economy, The Government of the Grand Duchy of Luxembourg, will provide an overview of Luxembourg's ins-space resource utilization initiative.

FY 10 Multifamily Initial Endorsements

Data.gov (United States)

Department of Housing and Urban Development — In FY 2010, HUD's Multifamily's 18 Hubs initially endorsed 1011 loans totaling $11.3 billion and providing 170,672 units/ beds. FY 10's $11.3 billion is the highest...

Smart roadside initiative : final report.

Science.gov (United States)

2015-09-01

This is the Final Report for the Smart Roadside Initiative (SRI) prototype system deployment project. The SRI prototype was implemented at weigh stations in Grass Lake, Michigan and West Friendship, Maryland. The prototype was developed to integrate ...

Initial data for the relativistic gravitational N-body problem

International Nuclear Information System (INIS)

Chrusciel, Piotr T; Corvino, Justin; Isenberg, James

2010-01-01

In general relativity, an initial data set for an isolated gravitational system takes the form of a solution of the Einstein constraint equations which is asymptotically Euclidean on a specified end. Given a collection of N such data sets with a subregion of interest (bounded away from the specified end) chosen in each, we show that there exists a family of new initial data sets, each of which contains exact copies of each of the N chosen subregions, positioned in a chosen array in a single asymptotic end. These composite initial data sets model isolated, relativistic gravitational systems containing N chosen bodies in specified initial configurations. (fast track communication)

Tailoring discrete quantum walk dynamics via extended initial conditions

Energy Technology Data Exchange (ETDEWEB)

Valcarcel, German J de; Roldan, Eugenio [Departament d' Optica, Universitat de Valencia, Dr Moliner 50, 46100-Burjassot, Spain, EU (Spain); Romanelli, Alejandro, E-mail: german.valcarcel@uv.es, E-mail: eugenio.roldan@uv.es, E-mail: alejo@fing.edu.uy [Instituto de Fisica, Facultad de IngenierIa, Universidad de la Republica, CC 30, CP 11000, Montevideo (Uruguay)

2010-12-15

We study the evolution of initially extended distributions in the coined quantum walk (QW) on the line. By analysing the dispersion relation of the process, continuous wave equations are derived whose form depends on the initial distribution shape. In particular, for a class of initial conditions, the evolution is dictated by the Schroedinger equation of a free particle. As that equation also governs paraxial optical diffraction, all of the phenomenology of the latter can be implemented in the QW. This allows us, in particular, to devise an initially extended condition leading to a uniform probability distribution whose width increases linearly with time, with increasing homogeneity.

Tailoring discrete quantum walk dynamics via extended initial conditions

International Nuclear Information System (INIS)

Valcarcel, German J de; Roldan, Eugenio; Romanelli, Alejandro

2010-01-01

We study the evolution of initially extended distributions in the coined quantum walk (QW) on the line. By analysing the dispersion relation of the process, continuous wave equations are derived whose form depends on the initial distribution shape. In particular, for a class of initial conditions, the evolution is dictated by the Schroedinger equation of a free particle. As that equation also governs paraxial optical diffraction, all of the phenomenology of the latter can be implemented in the QW. This allows us, in particular, to devise an initially extended condition leading to a uniform probability distribution whose width increases linearly with time, with increasing homogeneity.

7 CFR 1467.20 - Market-based conservation initiatives.

Science.gov (United States)

2010-01-01

... 7 Agriculture 10 2010-01-01 2010-01-01 false Market-based conservation initiatives. 1467.20....20 Market-based conservation initiatives. (a) Acceptance and use of contributions. Section 1241(e) of... for Conservation Improvements. (1) USDA recognizes that environmental benefits will be achieved by...

Initiative to manufacture and characterize Baculovirus Reference Material

NARCIS (Netherlands)

Kamen, A.; Aucoin, M.; Merten, O.W.; Alves, P.C.M.; Hashimoto, Y.; Airenne, K.; Hu, Y.C.; Mezzina, M.; Oers, van M.M.

2011-01-01

This letter to the editor brings to the attention of researchers an initiative to develop a baculovirus reference material repository. To be successful this initiative needs the support of a broad panel of researchers working with baculovirus vectors for recombinant protein production and gene

Classical and nonclassical symmetries analysis for initial value problems

International Nuclear Information System (INIS)

Zhang Zhiyong; Chen Yufu

2010-01-01

Classical and nonclassical symmetries are considered to reduce evolution equations with initial conditions in two independent variables. First of all, we rearrange the classical infinitesimal operators such that they leave the initial value problems invariant. Secondly, we give a sufficient condition for the nonclassical symmetry reductions of initial value problems. The generalized Kuramoto-Sivashinsky equation with dispersive effects is considered to examine the algorithms.