WorldWideScience

Sample records for sciences distribution detail

  1. Enabling distributed petascale science

    International Nuclear Information System (INIS)

    Baranovski, Andrew; Bharathi, Shishir; Bresnahan, John

    2007-01-01

    Petascale science is an end-to-end endeavour, involving not only the creation of massive datasets at supercomputers or experimental facilities, but the subsequent analysis of that data by a user community that may be distributed across many laboratories and universities. The new SciDAC Center for Enabling Distributed Petascale Science (CEDPS) is developing tools to support this end-to-end process. These tools include data placement services for the reliable, high-performance, secure, and policy-driven placement of data within a distributed science environment; tools and techniques for the construction, operation, and provisioning of scalable science services; and tools for the detection and diagnosis of failures in end-to-end data placement and distributed application hosting configurations. In each area, we build on a strong base of existing technology and have made useful progress in the first year of the project. For example, we have recently achieved order-of-magnitude improvements in transfer times (for lots of small files) and implemented asynchronous data staging capabilities; demonstrated dynamic deployment of complex application stacks for the STAR experiment; and designed and deployed end-to-end troubleshooting services. We look forward to working with SciDAC application and technology projects to realize the promise of petascale science

  2. Automated leak localization performance without detailed demand distribution data

    NARCIS (Netherlands)

    Moors, Janneke; Scholten, L.; van der Hoek, J.P.; den Besten, J.

    2018-01-01

    Automatic leak localization has been suggested to reduce the time and personnel efforts needed to localize
    (small) leaks. Yet, the available methods require a detailed demand distribution model for successful
    calibration and good leak localization performance. The main aim of this work was

  3. Details

    Indian Academy of Sciences (India)

    Admin

    IASc), an institution under the Department of Science &. Technology, Government of India publishes scholarly journals, thematic books and other publications. The Academy currently publishes 10 journals in various disciplines in science.

  4. Visualizing Tensor Normal Distributions at Multiple Levels of Detail.

    Science.gov (United States)

    Abbasloo, Amin; Wiens, Vitalis; Hermann, Max; Schultz, Thomas

    2016-01-01

    Despite the widely recognized importance of symmetric second order tensor fields in medicine and engineering, the visualization of data uncertainty in tensor fields is still in its infancy. A recently proposed tensorial normal distribution, involving a fourth order covariance tensor, provides a mathematical description of how different aspects of the tensor field, such as trace, anisotropy, or orientation, vary and covary at each point. However, this wealth of information is far too rich for a human analyst to take in at a single glance, and no suitable visualization tools are available. We propose a novel approach that facilitates visual analysis of tensor covariance at multiple levels of detail. We start with a visual abstraction that uses slice views and direct volume rendering to indicate large-scale changes in the covariance structure, and locations with high overall variance. We then provide tools for interactive exploration, making it possible to drill down into different types of variability, such as in shape or orientation. Finally, we allow the analyst to focus on specific locations of the field, and provide tensor glyph animations and overlays that intuitively depict confidence intervals at those points. Our system is demonstrated by investigating the effects of measurement noise on diffusion tensor MRI, and by analyzing two ensembles of stress tensor fields from solid mechanics.

  5. Climate Science's Globally Distributed Infrastructure

    Science.gov (United States)

    Williams, D. N.

    2016-12-01

    The Earth System Grid Federation (ESGF) is primarily funded by the Department of Energy's (DOE's) Office of Science (the Office of Biological and Environmental Research [BER] Climate Data Informatics Program and the Office of Advanced Scientific Computing Research Next Generation Network for Science Program), the National Oceanic and Atmospheric Administration (NOAA), the National Aeronautics and Space Administration (NASA), and the National Science Foundation (NSF), the European Infrastructure for the European Network for Earth System Modeling (IS-ENES), and the Australian National University (ANU). Support also comes from other U.S. federal and international agencies. The federation works across multiple worldwide data centers and spans seven international network organizations to provide users with the ability to access, analyze, and visualize data using a globally federated collection of networks, computers, and software. Its architecture employs a series of geographically distributed peer nodes that are independently administered and united by common federation protocols and application programming interfaces (APIs). The full ESGF infrastructure has now been adopted by multiple Earth science projects and allows access to petabytes of geophysical data, including the Coupled Model Intercomparison Project (CMIP; output used by the Intergovernmental Panel on Climate Change assessment reports), multiple model intercomparison projects (MIPs; endorsed by the World Climate Research Programme [WCRP]), and the Accelerated Climate Modeling for Energy (ACME; ESGF is included in the overarching ACME workflow process to store model output). ESGF is a successful example of integration of disparate open-source technologies into a cohesive functional system that serves the needs the global climate science community. Data served by ESGF includes not only model output but also observational data from satellites and instruments, reanalysis, and generated images.

  6. Contact details | About IASc | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Contact. Change in email domain name. The domain part of the email address of all email addresses used by the office of Indian Academy of Sciences, including those of the staff, the journals, various programmes, and Current Science, has changed from 'ias.ernet.in' (or 'academy.ias.ernet.in') to 'ias.ac.in'. Thus, for ...

  7. The Details in the Distributions: Why and how to study phenotypic variability

    Science.gov (United States)

    Geiler-Samerotte, KA; Bauer, CR; Li, S; Ziv, N; Gresham, D; Siegal, ML

    2013-01-01

    Phenotypic variability is present even when genetic and environmental differences between cells are reduced to the greatest possible extent. For example, genetically identical bacteria display differing levels of resistance to antibiotics, clonal yeast populations demonstrate morphological and growth-rate heterogeneity, and mouse blastomeres from the same embryo have stochastic differences in gene expression. However, the distributions of phenotypes present among isogenic organisms are often overlooked; instead, many studies focus on population aggregates such as the mean. The details of these distributions are relevant to major questions in diverse fields, including the evolution of antimicrobial-drug and chemotherapy resistance. We review emerging experimental and statistical techniques that allow rigorous analysis of phenotypic variability and thereby may lead to advances across the biological sciences. PMID:23566377

  8. Contact details | About IASc | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Academy Fellows' Residency, Jalahalli. Indian Academy of Sciences (Next to ISRO Housing Colony, Near HMT School) Jalahalli West Bengaluru 560 031 Tel.: +91-80-2838 1934. Location on Google Map · Sketch Map ...

  9. fell detail.php3 | php | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Upcoming Refresher Courses. Topology 02 to 14 May, 2018. Ramanujan Institute for Advanced Study in Mathematics, University of Madras Register Mathematics 11 to 25 June, 2018. Dayanand Science College, Latur (M.S.) Register Experimental Physics 14 to 29 June, 2018. Birla Institute of Technology, Mesra, Ranchi

  10. Optimal distribution of science funding

    Science.gov (United States)

    Huang, Ding-wei

    2018-07-01

    We propose a new model to investigate the theoretical implications of a novel funding system. We introduce new parameters to model the accumulated advantage. We assume that all scientists are equal and follow the same regulations. The model presents three distinct regimes. In regime (I), the fluidity of funding is significant. The funding distribution is continuous. The concentration of funding is effectively suppressed. In both regimes (II) and (III), a small group of scientists emerges as a circle of elites. Large funding is acquired by a small number of scientists.

  11. Terry Turbopump Expanded Operating Band Full-Scale Component and Basic Science Detailed Test Plan - Final.

    Energy Technology Data Exchange (ETDEWEB)

    Osborn, Douglas [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Solom, Matthew [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

    2017-02-01

    This document details the milestone approach to define the true operating limitations (margins) of the Terry turbopump systems used in the nuclear industry for Milestone 3 (full-scale component experiments) and Milestone 4 (Terry turbopump basic science experiments) efforts. The overall multinational-sponsored program creates the technical basis to: (1) reduce and defer additional utility costs, (2) simplify plant operations, and (3) provide a better understanding of the true margin which could reduce overall risk of operations.

  12. Tradespace Analysis Tool for Designing Earth Science Distributed Missions

    Data.gov (United States)

    National Aeronautics and Space Administration — The ESTO 2030 Science Vision envisions the future of Earth Science to be characterized by 'many more distributed observations,' and 'formation-flying [missions that]...

  13. Science gateways for distributed computing infrastructures development framework and exploitation by scientific user communities

    CERN Document Server

    Kacsuk, Péter

    2014-01-01

    The book describes the science gateway building technology developed in the SCI-BUS European project and its adoption and customization method, by which user communities, such as biologists, chemists, and astrophysicists, can build customized, domain-specific science gateways. Many aspects of the core technology are explained in detail, including its workflow capability, job submission mechanism to various grids and clouds, and its data transfer mechanisms among several distributed infrastructures. The book will be useful for scientific researchers and IT professionals engaged in the develop

  14. Posterior distributions for likelihood ratios in forensic science.

    Science.gov (United States)

    van den Hout, Ardo; Alberink, Ivo

    2016-09-01

    Evaluation of evidence in forensic science is discussed using posterior distributions for likelihood ratios. Instead of eliminating the uncertainty by integrating (Bayes factor) or by conditioning on parameter values, uncertainty in the likelihood ratio is retained by parameter uncertainty derived from posterior distributions. A posterior distribution for a likelihood ratio can be summarised by the median and credible intervals. Using the posterior mean of the distribution is not recommended. An analysis of forensic data for body height estimation is undertaken. The posterior likelihood approach has been criticised both theoretically and with respect to applicability. This paper addresses the latter and illustrates an interesting application area. Copyright © 2016 The Chartered Society of Forensic Sciences. Published by Elsevier Ireland Ltd. All rights reserved.

  15. Increased interestingness of extraneous details in a multimedia science presentation leads to decreased learning.

    Science.gov (United States)

    Mayer, Richard E; Griffith, Emily; Jurkowitz, Ilana T N; Rothman, Daniel

    2008-12-01

    In Experiment 1, students received an illustrated booklet, PowerPoint presentation, or narrated animation that explained 6 steps in how a cold virus infects the human body. The material included 6 high-interest details mainly about the role of viruses in sex or death (high group) or 6 low-interest details consisting of facts and health tips about viruses (low group). The low group outperformed the high group across all 3 media on a subsequent test of problem-solving transfer (d = .80) but not retention (d = .05). In Experiment 2, students who studied a PowerPoint lesson explaining the steps in how digestion works performed better on a problem-solving transfer test if the lesson contained 7 low-interest details rather than 7 high-interest details (d = .86), but the groups did not differ on retention (d = .26). In both experiments, as the interestingness of details was increased, student understanding decreased (as measured by transfer). Results are consistent with a cognitive theory of multimedia learning, in which highly interesting details sap processing capacity away from deeper cognitive processing of the core material during learning. PsycINFO Database Record (c) 2008 APA, all rights reserved.

  16. The Clouds distributed operating system - Functional description, implementation details and related work

    Science.gov (United States)

    Dasgupta, Partha; Leblanc, Richard J., Jr.; Appelbe, William F.

    1988-01-01

    Clouds is an operating system in a novel class of distributed operating systems providing the integration, reliability, and structure that makes a distributed system usable. Clouds is designed to run on a set of general purpose computers that are connected via a medium-of-high speed local area network. The system structuring paradigm chosen for the Clouds operating system, after substantial research, is an object/thread model. All instances of services, programs and data in Clouds are encapsulated in objects. The concept of persistent objects does away with the need for file systems, and replaces it with a more powerful concept, namely the object system. The facilities in Clouds include integration of resources through location transparency; support for various types of atomic operations, including conventional transactions; advanced support for achieving fault tolerance; and provisions for dynamic reconfiguration.

  17. Terry Turbopump Expanded Operating Band Full-Scale Component and Basic Science Detailed Test Plan-Revision 2

    Energy Technology Data Exchange (ETDEWEB)

    Solom, Matthew [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Severe Accident Analysis Dept.; Ross, Kyle [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Severe Accident Analysis Dept.; Cardoni, Jeffrey N. [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Severe Accident Analysis Dept.; Osborn, Douglas [Sandia National Lab. (SNL-NM), Albuquerque, NM (United States). Severe Accident Analysis Dept.

    2017-08-01

    This document details the milestone approach to define the true operating limitations (margins) of the Terry turbopump systems used in the nuclear industry for Milestone 3 (full-scale component experiments) and Milestone 4 (Terry turbopump basic science experiments) efforts. The overall multinational-sponsored program creates the technical basis to: (1) reduce and defer additional utility costs, (2) simplify plant operations, and (3) provide a better understanding of the true margin which could reduce overall risk of operations.

  18. The evolution of biomass-burning aerosol size distributions due to coagulation: dependence on fire and meteorological details and parameterization

    Directory of Open Access Journals (Sweden)

    K. M. Sakamoto

    2016-06-01

    Full Text Available Biomass-burning aerosols have a significant effect on global and regional aerosol climate forcings. To model the magnitude of these effects accurately requires knowledge of the size distribution of the emitted and evolving aerosol particles. Current biomass-burning inventories do not include size distributions, and global and regional models generally assume a fixed size distribution from all biomass-burning emissions. However, biomass-burning size distributions evolve in the plume due to coagulation and net organic aerosol (OA evaporation or formation, and the plume processes occur on spacial scales smaller than global/regional-model grid boxes. The extent of this size-distribution evolution is dependent on a variety of factors relating to the emission source and atmospheric conditions. Therefore, accurately accounting for biomass-burning aerosol size in global models requires an effective aerosol size distribution that accounts for this sub-grid evolution and can be derived from available emission-inventory and meteorological parameters. In this paper, we perform a detailed investigation of the effects of coagulation on the aerosol size distribution in biomass-burning plumes. We compare the effect of coagulation to that of OA evaporation and formation. We develop coagulation-only parameterizations for effective biomass-burning size distributions using the SAM-TOMAS large-eddy simulation plume model. For the most-sophisticated parameterization, we use the Gaussian Emulation Machine for Sensitivity Analysis (GEM-SA to build a parameterization of the aged size distribution based on the SAM-TOMAS output and seven inputs: emission median dry diameter, emission distribution modal width, mass emissions flux, fire area, mean boundary-layer wind speed, plume mixing depth, and time/distance since emission. This parameterization was tested against an independent set of SAM-TOMAS simulations and yields R2 values of 0.83 and 0.89 for Dpm and modal width

  19. The evolution of biomass-burning aerosol size distributions due to coagulation: dependence on fire and meteorological details and parameterization

    Science.gov (United States)

    Sakamoto, Kimiko M.; Laing, James R.; Stevens, Robin G.; Jaffe, Daniel A.; Pierce, Jeffrey R.

    2016-06-01

    Biomass-burning aerosols have a significant effect on global and regional aerosol climate forcings. To model the magnitude of these effects accurately requires knowledge of the size distribution of the emitted and evolving aerosol particles. Current biomass-burning inventories do not include size distributions, and global and regional models generally assume a fixed size distribution from all biomass-burning emissions. However, biomass-burning size distributions evolve in the plume due to coagulation and net organic aerosol (OA) evaporation or formation, and the plume processes occur on spacial scales smaller than global/regional-model grid boxes. The extent of this size-distribution evolution is dependent on a variety of factors relating to the emission source and atmospheric conditions. Therefore, accurately accounting for biomass-burning aerosol size in global models requires an effective aerosol size distribution that accounts for this sub-grid evolution and can be derived from available emission-inventory and meteorological parameters. In this paper, we perform a detailed investigation of the effects of coagulation on the aerosol size distribution in biomass-burning plumes. We compare the effect of coagulation to that of OA evaporation and formation. We develop coagulation-only parameterizations for effective biomass-burning size distributions using the SAM-TOMAS large-eddy simulation plume model. For the most-sophisticated parameterization, we use the Gaussian Emulation Machine for Sensitivity Analysis (GEM-SA) to build a parameterization of the aged size distribution based on the SAM-TOMAS output and seven inputs: emission median dry diameter, emission distribution modal width, mass emissions flux, fire area, mean boundary-layer wind speed, plume mixing depth, and time/distance since emission. This parameterization was tested against an independent set of SAM-TOMAS simulations and yields R2 values of 0.83 and 0.89 for Dpm and modal width, respectively. The

  20. Initiation of and distributed deformation at and around stylolite interfaces: Insights from detailed microstructural analysis

    Science.gov (United States)

    Ebner, M.; Piazolo, S.; Koehn, D.

    2009-04-01

    In the present contribution we investigate the microstructure of bedding parallel and bedding normal stylolites in carbonate rocks. We focused our study on micro-stylolites which represent an initial stage of this localised pressure solution process as stylolite roughness amplitude is a function of strain. We use electron backscatter diffraction analysis (EBSD) and orientation contrast imaging to address the following issues: (i) What causes the initiation of stylolite interfaces at a submicroscopic scale, (ii) is there distributed deformation around the stylolite interface and (iii) what is the role of the interface (residuum)? Our findings demonstrate that the characteristic stylolite teeth are initiated at a pre-existing heterogeneity in the host-rock. This quenched noise in carbonate rocks is typically composed of clay particles in the submicron scale. In addition, qtz-grains are present along especially pronounced stylolite peaks. The stylolite interface evolves with increasing strain from individual clay particles separated by grain-grain contacts of calcite along the interface to a continuous layer of clay and oxides. Thickness variation of the residuum along the interface is inferred to be strongly influenced by the pre-existing distribution of pinning particles that are more resistant to dissolution. Another important observation is that a shaped preferred orientation (SPO) exists in a halo around the stylolite. This SPO increases with proximity to the stylolite interface. Within this halo, crystal plastic deformation is expressed by subgrain formation with subgrain boundaries usually aligned parallel to shortening direction. Bedding normal (tectonic) stylolites which overprint already compacted beds i.e. with a pre-existing sedimentary SPO parallel to the bedding plane exhibit a SPO at a high angle to the sedimentary SPO. We conclude that stylolite roughness is primarily caused by pre-existing heterogeneities in the host-rock which are more resistant to

  1. A Citizen Science Approach: A Detailed Ecological Assessment of Subtropical Reefs at Point Lookout, Australia.

    Science.gov (United States)

    Roelfsema, Chris; Thurstan, Ruth; Beger, Maria; Dudgeon, Christine; Loder, Jennifer; Kovacs, Eva; Gallo, Michele; Flower, Jason; Gomez Cabrera, K-le; Ortiz, Juan; Lea, Alexandra; Kleine, Diana

    2016-01-01

    Subtropical reefs provide an important habitat for flora and fauna, and proper monitoring is required for conservation. Monitoring these exposed and submerged reefs is challenging and available resources are limited. Citizen science is increasing in momentum, as an applied research tool and in the variety of monitoring approaches adopted. This paper aims to demonstrate an ecological assessment and mapping approach that incorporates both top-down (volunteer marine scientists) and bottom-up (divers/community) engagement aspects of citizen science, applied at a subtropical reef at Point Lookout, Southeast Queensland, Australia. Marine scientists trained fifty citizen scientists in survey techniques that included mapping of habitat features, recording of substrate, fish and invertebrate composition, and quantifying impacts (e.g., occurrence of substrate damage, presence of litter). In 2014 these volunteers conducted four seasonal surveys along semi-permanent transects, at five sites, across three reefs. The project presented is a model on how citizen science can be conducted in a marine environment through collaboration of volunteer researchers, non-researchers and local marine authorities. Significant differences in coral and algal cover were observed among the three sites, while fluctuations in algal cover were also observed seasonally. Differences in fish assemblages were apparent among sites and seasons, with subtropical fish groups observed more commonly in colder seasons. The least physical damage occurred in the most exposed sites (Flat Rock) within the highly protected marine park zones. The broad range of data collected through this top-down/bottom-up approach to citizen science exemplifies the projects' value and application for identifying ecosystem trends or patterns. The results of the project support natural resource and marine park management, providing a valuable contribution to existing scientific knowledge and the conservation of local reefs.

  2. Mars Science Laboratory Differential Restraint: The Devil is in the Details

    Science.gov (United States)

    Jordan, Elizabeth

    2012-01-01

    The Differential Restraint, a mechanism used on the Mars Science Laboratory (MSL) rover to maintain symmetry of the mobility system during the launch, cruise, and entry descent and landing phases of the MSL mission, completed nearly three full design cycles before a finalized successful design was achieved. This paper address the lessons learned through these design cycles, including three major design elements that can easily be overlooked during the design process, including, tolerance stack contribution to load path, the possibility of Martian dirt as a failure mode, and the effects of material properties at temperature extremes.

  3. New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests

    DEFF Research Database (Denmark)

    Borges, Paulo A. V.; Gaspar, Clara; Crespo, Luís Carlos Fonseca

    2016-01-01

    Background In this contribution we present detailed distribution and abundance data for arthropod species identified during the BALA – Biodiversity of Arthropods from the Laurisilva of the Azores (1999-2004) and BALA2 projects (2010-2011) from 18 native forest fragments inseven of the nine Azorean...... islands (all excluding Graciosa and Corvo islands, which have no native forest left). New information Of the total 286 species identified, 81% were captured between 1999 and 2000, a period during which only 39% of all the samples were collected. On average, arthropod richness for each island increased...

  4. The Emergent Capabilities of Distributed Satellites and Methods for Selecting Distributed Satellite Science Missions

    Science.gov (United States)

    Corbin, B. A.; Seager, S.; Ross, A.; Hoffman, J.

    2017-12-01

    Distributed satellite systems (DSS) have emerged as an effective and cheap way to conduct space science, thanks to advances in the small satellite industry. However, relatively few space science missions have utilized multiple assets to achieve their primary scientific goals. Previous research on methods for evaluating mission concepts designs have shown that distributed systems are rarely competitive with monolithic systems, partially because it is difficult to quantify the added value of DSSs over monolithic systems. Comparatively little research has focused on how DSSs can be used to achieve new, fundamental space science goals that cannot be achieved with monolithic systems or how to choose a design from a larger possible tradespace of options. There are seven emergent capabilities of distributed satellites: shared sampling, simultaneous sampling, self-sampling, census sampling, stacked sampling, staged sampling, and sacrifice sampling. These capabilities are either fundamentally, analytically, or operationally unique in their application to distributed science missions, and they can be leveraged to achieve science goals that are either impossible or difficult and costly to achieve with monolithic systems. The Responsive Systems Comparison (RSC) method combines Multi-Attribute Tradespace Exploration with Epoch-Era Analysis to examine benefits, costs, and flexible options in complex systems over the mission lifecycle. Modifications to the RSC method as it exists in previously published literature were made in order to more accurately characterize how value is derived from space science missions. New metrics help rank designs by the value derived over their entire mission lifecycle and show more accurate cumulative value distributions. The RSC method was applied to four case study science missions that leveraged the emergent capabilities of distributed satellites to achieve their primary science goals. In all four case studies, RSC showed how scientific value was

  5. Thermal Power Systems, Point-Focusing Distributed Receiver Technology Project. Annual technical report, Fiscal Year 1978. Volume II. Detailed report

    Energy Technology Data Exchange (ETDEWEB)

    1979-03-15

    Thermal or electrical power from the sun's radiated energy through Point-Focusing Distributed Receiver technology is the goal of this Project. The energy thus produced must be economically competitive with other sources. This Project supports the industrial development of technology and hardware for extracting energy from solar power to achieve the stated goal. Present studies are working to concentrate the solar energy through mirrors or lenses, to a working fluid or gas, and through a power converter change it to an energy source useful to man. Rankine-cycle and Brayton-cycle engines are currently being developed as the most promising energy converters for our near future needs. Accomplishments on point-focusing technology in FY 1978 are detailed.

  6. Materials Science Research Rack-1 Fire Suppressant Distribution Test Report

    Science.gov (United States)

    Wieland, P. O.

    2002-01-01

    Fire suppressant distribution testing was performed on the Materials Science Research Rack-1 (MSRR-1), a furnace facility payload that will be installed in the U.S. Lab module of the International Space Station. Unlike racks that were tested previously, the MSRR-1 uses the Active Rack Isolation System (ARIS) to reduce vibration on experiments, so the effects of ARIS on fire suppressant distribution were unknown. Two tests were performed to map the distribution of CO2 fire suppressant throughout a mockup of the MSRR-1 designed to have the same component volumes and flowpath restrictions as the flight rack. For the first test, the average maximum CO2 concentration for the rack was 60 percent, achieved within 45 s of discharge initiation, meeting the requirement to reach 50 percent throughout the rack within 1 min. For the second test, one of the experiment mockups was removed to provide a worst-case configuration, and the average maximum CO2 concentration for the rack was 58 percent. Comparing the results of this testing with results from previous testing leads to several general conclusions that can be used to evaluate future racks. The MSRR-1 will meet the requirements for fire suppressant distribution. Primary factors that affect the ability to meet the CO2 distribution requirements are the free air volume in the rack and the total area and distribution of openings in the rack shell. The length of the suppressant flowpath and degree of tortuousness has little correlation with CO2 concentration. The total area of holes in the rack shell could be significantly increased. The free air volume could be significantly increased. To ensure the highest maximum CO2 concentration, the PFE nozzle should be inserted to the stop on the nozzle.

  7. Author Details

    African Journals Online (AJOL)

    Yeboah-Gyan, K. Vol 23, No 1 (2003) - Articles Foraging of the African honeybee, Apis mellifera adansonii, in the humid semi-deciduous forest environment of Ghana Abstract PDF · Vol 27, No 1 (2007) - Articles Diversity and distribution of ferns on the campus of the Kwame Nkrumah University of Science and Technology ...

  8. Data Grid tools: enabling science on big distributed data

    Energy Technology Data Exchange (ETDEWEB)

    Allcock, Bill [Mathematics and Computer Science, Argonne National Laboratory, Argonne, IL 60439 (United States); Chervenak, Ann [Information Sciences Institute, University of Southern California, Marina del Rey, CA 90291 (United States); Foster, Ian [Mathematics and Computer Science, Argonne National Laboratory, Argonne, IL 60439 (United States); Department of Computer Science, University of Chicago, Chicago, IL 60615 (United States); Kesselman, Carl [Information Sciences Institute, University of Southern California, Marina del Rey, CA 90291 (United States); Livny, Miron [Department of Computer Science, University of Wisconsin, Madison, WI 53705 (United States)

    2005-01-01

    A particularly demanding and important challenge that we face as we attempt to construct the distributed computing machinery required to support SciDAC goals is the efficient, high-performance, reliable, secure, and policy-aware management of large-scale data movement. This problem is fundamental to diverse application domains including experimental physics (high energy physics, nuclear physics, light sources), simulation science (climate, computational chemistry, fusion, astrophysics), and large-scale collaboration. In each case, highly distributed user communities require high-speed access to valuable data, whether for visualization or analysis. The quantities of data involved (terabytes to petabytes), the scale of the demand (hundreds or thousands of users, data-intensive analyses, real-time constraints), and the complexity of the infrastructure that must be managed (networks, tertiary storage systems, network caches, computers, visualization systems) make the problem extremely challenging. Data management tools developed under the auspices of the SciDAC Data Grid Middleware project have become the de facto standard for data management in projects worldwide. Day in and day out, these tools provide the 'plumbing' that allows scientists to do more science on an unprecedented scale in production environments.

  9. Data Grid tools: enabling science on big distributed data

    International Nuclear Information System (INIS)

    Allcock, Bill; Chervenak, Ann; Foster, Ian; Kesselman, Carl; Livny, Miron

    2005-01-01

    A particularly demanding and important challenge that we face as we attempt to construct the distributed computing machinery required to support SciDAC goals is the efficient, high-performance, reliable, secure, and policy-aware management of large-scale data movement. This problem is fundamental to diverse application domains including experimental physics (high energy physics, nuclear physics, light sources), simulation science (climate, computational chemistry, fusion, astrophysics), and large-scale collaboration. In each case, highly distributed user communities require high-speed access to valuable data, whether for visualization or analysis. The quantities of data involved (terabytes to petabytes), the scale of the demand (hundreds or thousands of users, data-intensive analyses, real-time constraints), and the complexity of the infrastructure that must be managed (networks, tertiary storage systems, network caches, computers, visualization systems) make the problem extremely challenging. Data management tools developed under the auspices of the SciDAC Data Grid Middleware project have become the de facto standard for data management in projects worldwide. Day in and day out, these tools provide the 'plumbing' that allows scientists to do more science on an unprecedented scale in production environments

  10. TEGENA: Detailed experimental investigations of temperature and velocity distributions in rod bundle geometries with turbulent sodium flow

    International Nuclear Information System (INIS)

    Moeller, R.

    1989-02-01

    Precise knowledge of the velocity and temperature distributions is necessary in fuel element design (rod bundles with longitudinal flow). The detail codes required in the fine analysis of non-uniformly cooled bundle zones are presently at the stage of development. In order to verify these computer codes, the mean fluid temperatures and the related RMS values of the temperature fluctuations were measured in a heated bundle TEGENA, containing 4 rods arranged in one row (P/D = W/D = 1.147) with sodium cooling (Pr ≅ 0.005). The temperature distribution in the structures was determined as the necessary boundary condition for the temperature profiles in the fluid. The experiments were carried out with different types of heating (uniform load and load tilting) and the flow conditions were varied in the range from 4000 ≤ Re ≤ 76.000, 20 ≤ Pe ≤ 400. The essential process of thermal development took place under uniform load within a heated bundle length of about 100 hydraulic diameters. In the main measuring plane at the end of the heated zone, after 200 hydraulic diameters, the flow can be termed largely developed thermally. There, the temperature profiles measured in the fluid exhibit pronounced maxima in the narrowest gaps of the subchannels as well as pronounced minima in the centers of the subchannels at the unheated wall. In the zones of maximum temperature gradients the temperature fluctuations attain maximum and minimum values, respectively, at the points of disappearance of the temperature gradients. In all cases of load tilting investigated the flow at the end of the heated zone had not yet developed thermally. By inspection of all thermocouples in isothermal experiments performed at regular intervals, by redundant arrangement of the mobile probe thermocouples and by demonstration of the reproducibility of results of measurement the experiments have been validated satisfactorily. (orig./GL) [de

  11. TEGENA: Detailed experimental investigations of temperature and velocity distributions in rod bundle geometries with turbulent sodium flow

    International Nuclear Information System (INIS)

    Moeller, R.

    1989-12-01

    Precise knowlege of the velocity and temperature distributions is necessary in fuel element design (rod bundles with longitudinal flow). The detail codes required in the fine analysis of non-uniformly cooled bundle zones are presently at the stage of development. In order to verify these computer codes, the mean fluid temperatures and the related RMS values of the temperature fluctuations were measured in a heated bundle, TEGENA, containing four rods arranged in one row (P/D = W/D = 1.147) with sodium cooling (Pr≅0.005). The temperature distribution in the structures was determined as the necessary boundary condition for the temperature profiles in the fluid. The experiments were carried out with different types of heating (uniform load and flux tilting) and the flow conditions were varied in the ranges 4000≤Re≤76,000; 20≤Pe≤400. The essential processes of thermal development took place under uniform load within a heated bundle length of about 100 hydraulic diameters. In the main measuring plane at the end of the heated zone, after 200 hydraulic diameters, the flow can be termed largely developed thermally. There, the temperature profiles measured in the fluid exhibit pronounced maxima in the narrowest gaps of the subchannels as well as pronounced minima in the centers of the subchannels at the unheated wall. In the zones of maximum temperature gradients the temperature fluctuations attain maximum and minimum values, respectively, at the points of disappearance of the temperature gradients. In all cases of flux tilting investigated the flow at the end of the heated zone had not yet developed thermally. (orig.) [de

  12. The distributed organization of science : with empirical illustrations from the field of diabetes medicine

    NARCIS (Netherlands)

    Hardeman, S.

    2012-01-01

    The premise of this thesis holds that the organization of science is distributed in nature. That is, science takes place all over the world and within different spheres of society. Within the literature, the distributed organization of science is characterized in different ways. While some focus

  13. New records and detailed distribution and abundance of selected arthropod species collected between 1999 and 2011 in Azorean native forests

    Science.gov (United States)

    Gaspar, Clara; Crespo, Luís Carlos Fonseca; Rigal, François; Cardoso, Pedro; Pereira, Fernando; Rego, Carla; Amorim, Isabel R.; Melo, Catarina; Aguiar, Carlos; André, Genage; Mendonça, Enésima P.; Ribeiro, Sérvio; Hortal, Joaquín; Santos, Ana M.C.; Barcelos, Luís; Enghoff, Henrik; Mahnert, Volker; Pita, Margarida T.; Ribes, Jordi; Baz, Arturo; Sousa, António B.; Vieira, Virgílio; Wunderlich, Jörg; Parmakelis, Aristeidis; Whittaker, Robert J.; Quartau, José Alberto; Serrano, Artur R.M.; Triantis, Kostas A.

    2016-01-01

    Abstract Background In this contribution we present detailed distribution and abundance data for arthropod species identified during the BALA – Biodiversity of Arthropods from the Laurisilva of the Azores (1999-2004) and BALA2 projects (2010-2011) from 18 native forest fragments in seven of the nine Azorean islands (all excluding Graciosa and Corvo islands, which have no native forest left). New information Of the total 286 species identified, 81% were captured between 1999 and 2000, a period during which only 39% of all the samples were collected. On average, arthropod richness for each island increased by 10% during the time frame of these projects. The classes Arachnida, Chilopoda and Diplopoda represent the most remarkable cases of new island records, with more than 30% of the records being novelties. This study stresses the need to expand the approaches applied in these projects to other habitats in the Azores, and more importantly to other less surveyed taxonomic groups (e.g. Diptera and Hymenoptera). These steps are fundamental for getting a more accurate assessment of biodiversity in the archipelago. PMID:28174509

  14. Detailed analysis of inversions predicted between two human genomes: errors, real polymorphisms, and their origin and population distribution.

    Science.gov (United States)

    Vicente-Salvador, David; Puig, Marta; Gayà-Vidal, Magdalena; Pacheco, Sarai; Giner-Delgado, Carla; Noguera, Isaac; Izquierdo, David; Martínez-Fundichely, Alexander; Ruiz-Herrera, Aurora; Estivill, Xavier; Aguado, Cristina; Lucas-Lledó, José Ignacio; Cáceres, Mario

    2017-02-01

    The growing catalogue of structural variants in humans often overlooks inversions as one of the most difficult types of variation to study, even though they affect phenotypic traits in diverse organisms. Here, we have analysed in detail 90 inversions predicted from the comparison of two independently assembled human genomes: the reference genome (NCBI36/HG18) and HuRef. Surprisingly, we found that two thirds of these predictions (62) represent errors either in assembly comparison or in one of the assemblies, including 27 misassembled regions in HG18. Next, we validated 22 of the remaining 28 potential polymorphic inversions using different PCR techniques and characterized their breakpoints and ancestral state. In addition, we determined experimentally the derived allele frequency in Europeans for 17 inversions (DAF = 0.01-0.80), as well as the distribution in 14 worldwide populations for 12 of them based on the 1000 Genomes Project data. Among the validated inversions, nine have inverted repeats (IRs) at their breakpoints, and two show nucleotide variation patterns consistent with a recurrent origin. Conversely, inversions without IRs have a unique origin and almost all of them show deletions or insertions at the breakpoints in the derived allele mediated by microhomology sequences, which highlights the importance of mechanisms like FoSTeS/MMBIR in the generation of complex rearrangements in the human genome. Finally, we found several inversions located within genes and at least one candidate to be positively selected in Africa. Thus, our study emphasizes the importance of careful analysis and validation of large-scale genomic predictions to extract reliable biological conclusions. © The Author 2016. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oup.com.

  15. The Arabs and the science of population distribution.

    Science.gov (United States)

    Al-alwani, M

    1982-01-01

    writings he identified most of the factors recognized today as the major determinants of population distribution, e.g., climate, topography, soil quality, and a number of socioeconomic factors. According to Ibn Khaldun, moderation in geographical conditions promoted population growth and population growth promoted prosperity. He identified the study of this process leading to prosperity as the science of Omran, and noted that populations distribute themselves into agglomerations in order to enjoy social contacts and to satisfy their needs through the development of harmonious patterns of exchange and occupational specialization. Ibn Khaldun classified populations as rural and urban and further categorized rural populations into settled agriculturalists, semisedentary livestock raisers, and less settled camel herdsmen and urban populations into small towns, medium cities, and large cities. Prosperity increased as the size of the population agglomerations increased. In the larger population clusters, basic necessities, e.g., food, were produced in great quantities due to the the harmonious patterns relationships between the residents and the industrious nature of the people. Consequently, the price of basic necessities was low. Luxury items were not as abundant. These items were, therefore, expensive.

  16. About the Geographic Distribution of Economic Science in Asian Russia

    Directory of Open Access Journals (Sweden)

    Alexander Nikolaevich Demyanenko

    2014-12-01

    Full Text Available The article presents the results of empirical studies of modern geographic distribution of economic science in Asian Russia (i. e. three macro-regions of Russia: Far East, Siberia and the Urals Region. The study is based on an original database of articles on Economics and related disciplines which arearranged within the Elibrary platformfor 2005-2013. These articles arewritten by fellows of research organizations that are located in the Asian part of Russia.Statistical analysis of the main indicators of publication activity shows that there are significant differences in the scope, dynamics, and quality of the results of this activity among the research organizations of various types.The authors focused on the territorial structure of the study of the economy defined as a set of scientific centers of varying scale and type, as well as networks of scientific communication.It is revealed that publication activity of economic research institutions in Asian Russia has a high level of spatial concentration and the system of scientific communication, formed by the scientific journals of the region, has a high level of fragmentation

  17. Anything goes: An apology for parallel distributed legal science

    NARCIS (Netherlands)

    Hage, Jacob

    2016-01-01

    Doctrinal legal science seems to lack a proper method and purpose. This interpretation clarifies its value. The backbone of the argu- ment consists of two theses. The first is that coherence—in a sense unusu- al in law—plays a crucial role in legal science. The second is that doctrinal legal science

  18. Federal Funds for Research and Development: Fiscal Years 1980, 1981, and 1982. Volume XXX. Detailed Statistical Tables. Surveys of Science Resources Series.

    Science.gov (United States)

    National Science Foundation, Washington, DC.

    During the March through July 1981 period a total of 36 Federal agencies and their subdivisions (95 individual respondents) submitted data in response to the Annual Survey of Federal Funds for Research and Development, Volume XXX, conducted by the National Science Foundation. The detailed statistical tables presented in this report were derived…

  19. Federal Funds for Research and Development. Fiscal Years 1982, 1983, and 1984. Volume XXXII. Detailed Statistical Tables. Surveys of Science Resources Series.

    Science.gov (United States)

    National Science Foundation, Washington, DC. Div. of Science Resources Studies.

    Detailed statistical tables on federal funds for research and development (R&D) are provided in this document. Tables are organized into the following sections: research, development, and R&D plant; R&D--agency, character of work, and performer; total research--agency, performer, and field of science; basic research--agency, performer,…

  20. Mass and galaxy distributions of four massive galaxy clusters from Dark Energy Survey Science Verification data

    Energy Technology Data Exchange (ETDEWEB)

    Melchior, P.; Suchyta, E.; Huff, E.; Hirsch, M.; Kacprzak, T.; Rykoff, E.; Gruen, D.; Armstrong, R.; Bacon, D.; Bechtol, K.; Bernstein, G. M.; Bridle, S.; Clampitt, J.; Honscheid, K.; Jain, B.; Jouvel, S.; Krause, E.; Lin, H.; MacCrann, N.; Patton, K.; Plazas, A.; Rowe, B.; Vikram, V.; Wilcox, H.; Young, J.; Zuntz, J.; Abbott, T.; Abdalla, F. B.; Allam, S. S.; Banerji, M.; Bernstein, J. P.; Bernstein, R. A.; Bertin, E.; Buckley-Geer, E.; Burke, D. L.; Castander, F. J.; da Costa, L. N.; Cunha, C. E.; Depoy, D. L.; Desai, S.; Diehl, H. T.; Doel, P.; Estrada, J.; Evrard, A. E.; Neto, A. F.; Fernandez, E.; Finley, D. A.; Flaugher, B.; Frieman, J. A.; Gaztanaga, E.; Gerdes, D.; Gruendl, R. A.; Gutierrez, G. R.; Jarvis, M.; Karliner, I.; Kent, S.; Kuehn, K.; Kuropatkin, N.; Lahav, O.; Maia, M. A. G.; Makler, M.; Marriner, J.; Marshall, J. L.; Merritt, K. W.; Miller, C. J.; Miquel, R.; Mohr, J.; Neilsen, E.; Nichol, R. C.; Nord, B. D.; Reil, K.; Roe, N. A.; Roodman, A.; Sako, M.; Sanchez, E.; Santiago, B. X.; Schindler, R.; Schubnell, M.; Sevilla-Noarbe, I.; Sheldon, E.; Smith, C.; Soares-Santos, M.; Swanson, M. E. C.; Sypniewski, A. J.; Tarle, G.; Thaler, J.; Thomas, D.; Tucker, D. L.; Walker, A.; Wechsler, R.; Weller, J.; Wester, W.

    2015-03-31

    We measure the weak-lensing masses and galaxy distributions of four massive galaxy clusters observed during the Science Verification phase of the Dark Energy Survey. This pathfinder study is meant to 1) validate the DECam imager for the task of measuring weak-lensing shapes, and 2) utilize DECam's large field of view to map out the clusters and their environments over 90 arcmin. We conduct a series of rigorous tests on astrometry, photometry, image quality, PSF modeling, and shear measurement accuracy to single out flaws in the data and also to identify the optimal data processing steps and parameters. We find Science Verification data from DECam to be suitable for the lensing analysis described in this paper. The PSF is generally well-behaved, but the modeling is rendered difficult by a flux-dependent PSF width and ellipticity. We employ photometric redshifts to distinguish between foreground and background galaxies, and a red-sequence cluster finder to provide cluster richness estimates and cluster-galaxy distributions. By fitting NFW profiles to the clusters in this study, we determine weak-lensing masses that are in agreement with previous work. For Abell 3261, we provide the first estimates of redshift, weak-lensing mass, and richness. In addition, the cluster-galaxy distributions indicate the presence of filamentary structures attached to 1E 0657-56 and RXC J2248.7-4431, stretching out as far as 1 degree (approximately 20 Mpc), showcasing the potential of DECam and DES for detailed studies of degree-scale features on the sky.

  1. Research: Detailed and Selective Follow-up of Students for Improvement of Programs/Program Components in Business & Office Education and Marketing & Distributive Education. Final Report.

    Science.gov (United States)

    Scott, Gary D.; Chapman, Alberta

    The Kentucky student follow-up system was studied to identify the current status of follow-up activities in business and office education and marketing and distributive education; to identify the impact of follow-up data on these programs; to identify program components for which detailed follow-up can provide information to assist in program…

  2. Cassini Information Management System in Distributed Operations Collaboration and Cassini Science Planning

    Science.gov (United States)

    Equils, Douglas J.

    2008-01-01

    Launched on October 15, 1997, the Cassini-Huygens spacecraft began its ambitious journey to the Saturnian system with a complex suite of 12 scientific instruments, and another 6 instruments aboard the European Space Agencies Huygens Probe. Over the next 6 1/2 years, Cassini would continue its relatively simplistic cruise phase operations, flying past Venus, Earth, and Jupiter. However, following Saturn Orbit Insertion (SOI), Cassini would become involved in a complex series of tasks that required detailed resource management, distributed operations collaboration, and a data base for capturing science objectives. Collectively, these needs were met through a web-based software tool designed to help with the Cassini uplink process and ultimately used to generate more robust sequences for spacecraft operations. In 2001, in conjunction with the Southwest Research Institute (SwRI) and later Venustar Software and Engineering Inc., the Cassini Information Management System (CIMS) was released which enabled the Cassini spacecraft and science planning teams to perform complex information management and team collaboration between scientists and engineers in 17 countries. Originally tailored to help manage the science planning uplink process, CIMS has been actively evolving since its inception to meet the changing and growing needs of the Cassini uplink team and effectively reduce mission risk through a series of resource management validation algorithms. These algorithms have been implemented in the web-based software tool to identify potential sequence conflicts early in the science planning process. CIMS mitigates these sequence conflicts through identification of timing incongruities, pointing inconsistencies, flight rule violations, data volume issues, and by assisting in Deep Space Network (DSN) coverage analysis. In preparation for extended mission operations, CIMS has also evolved further to assist in the planning and coordination of the dual playback redundancy of

  3. A Detailed Study of the Mass Distribution of the Galaxy Cluster RXC J2248.7-4431

    International Nuclear Information System (INIS)

    Caminha, G B; Rosati, P; Grillo, C

    2016-01-01

    In this work we use strong gravitational lensing techniques to constrain the total mass distribution of the galaxy cluster RXC J2248.7-4432 (RXC J2248, z lens = 0.348), also known as Abell S1063, observed within the Cluster Lensing And Supernova survey with Hubble (CLASH). Thanks to its strong lensing efficiency and exceptional data quality from the VIsible Multi-Object Spectrograph (VIMOS) and Multi Unit Spectroscopic Explorer (MUSE) on the Very Large Telescope, we can build a parametric model for the total mass distribution. Using the positions of the multiple images generated by 7 multiply-lensed background sources with measured spectroscopic redshifs, we find that the best-fit parametrisation for the cluster total mass distribution is composed of an elliptical pseudo-isothermal mass distribution with a significant core for the overall cluster halo, and of truncated pseudo-isothermal mass profiles for the cluster galaxies. This model is capable to predict the positions of the multiple images with an unprecedented precision of ≈ 0”.3. We also show that varying freely the cosmological parameters of the ΛCDM model, our strong lensing model can constrain the underlying geometry of the universe via the angular diameter distances between the lens and the sources and the observer and the sources. (paper)

  4. A Distributed Computational Infrastructure for Science and Education

    Directory of Open Access Journals (Sweden)

    Rustam K. Bazarov

    2014-06-01

    Full Text Available Researchers have lately been paying increasingly more attention to parallel and distributed algorithms for solving high-dimensionality problems. In this regard, the issue of acquiring or renting computational resources becomes a topical one for employees of scientific and educational institutions. This article examines technology and methods for organizing a distributed computational infrastructure. The author addresses the experience of creating a high-performance system powered by existing clusterization and grid computing technology. The approach examined in the article helps minimize financial costs, aggregate territorially distributed computational resources and ensures a more rational use of available computer equipment, eliminating its downtimes.

  5. Between Precautionary Principle and "Sound Science": Distributing the Burdens of Proof

    NARCIS (Netherlands)

    Belt, v.d. H.; Gremmen, B.

    2002-01-01

    Opponents of biotechnology ofteninvoke the Precautionary Principle to advancetheir cause, whereas biotech enthusiasts preferto appeal to ``sound science.'' Publicauthorities are still groping for a usefuldefinition. A crucial issue in this debate isthe distribution of the burden of proof amongthe

  6. Do detailed simulations with size-resolved microphysics reproduce basic features of observed cirrus ice size distributions?

    Science.gov (United States)

    Fridlind, A. M.; Atlas, R.; van Diedenhoven, B.; Ackerman, A. S.; Rind, D. H.; Harrington, J. Y.; McFarquhar, G. M.; Um, J.; Jackson, R.; Lawson, P.

    2017-12-01

    It has recently been suggested that seeding synoptic cirrus could have desirable characteristics as a geoengineering approach, but surprisingly large uncertainties remain in the fundamental parameters that govern cirrus properties, such as mass accommodation coefficient, ice crystal physical properties, aggregation efficiency, and ice nucleation rate from typical upper tropospheric aerosol. Only one synoptic cirrus model intercomparison study has been published to date, and studies that compare the shapes of observed and simulated ice size distributions remain sparse. Here we amend a recent model intercomparison setup using observations during two 2010 SPARTICUS campaign flights. We take a quasi-Lagrangian column approach and introduce an ensemble of gravity wave scenarios derived from collocated Doppler cloud radar retrievals of vertical wind speed. We use ice crystal properties derived from in situ cloud particle images, for the first time allowing smoothly varying and internally consistent treatments of nonspherical ice capacitance, fall speed, gravitational collection, and optical properties over all particle sizes in our model. We test two new parameterizations for mass accommodation coefficient as a function of size, temperature and water vapor supersaturation, and several ice nucleation scenarios. Comparison of results with in situ ice particle size distribution data, corrected using state-of-the-art algorithms to remove shattering artifacts, indicate that poorly constrained uncertainties in the number concentration of crystals smaller than 100 µm in maximum dimension still prohibit distinguishing which parameter combinations are more realistic. When projected area is concentrated at such sizes, the only parameter combination that reproduces observed size distribution properties uses a fixed mass accommodation coefficient of 0.01, on the low end of recently reported values. No simulations reproduce the observed abundance of such small crystals when the

  7. Author Details

    African Journals Online (AJOL)

    PROMOTING ACCESS TO AFRICAN RESEARCH. AFRICAN JOURNALS ONLINE (AJOL) · Journals · Advanced Search · USING AJOL · RESOURCES. Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads.

  8. Author Details

    African Journals Online (AJOL)

    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... An algorithm to retrieve Land Surface Temperature using Landsat-8 Dataset Abstract PDF. ISSN: 2225-8531.

  9. Study on velocity field in a wire wrapped fuel pin bundle of sodium cooled reactor. Detailed velocity distribution in a subchannel

    International Nuclear Information System (INIS)

    Sato, Hiroyuki; Kobayashi, Jun; Miyakoshi, Hiroyuki; Kamide, Hideki

    2009-01-01

    A sodium cooled fast reactor is designed to attain a high burn-up core in a feasibility study on commercialized fast reactor cycle systems. In high burn-up fuel subassemblies, deformation of fuel pin due to the swelling and thermal bowing may decrease local flow velocity via change of flow area in the subassembly and influence the heat removal capability. Therefore, it is of importance to obtain the flow velocity distribution in a wire wrapped pin bundle. A 2.5 times enlarged 7-pin bundle water model was applied to investigate the detailed velocity distribution in an inner subchannel surrounded by 3 pins with wrapping wire. The test section consisted of a hexagonal acrylic duct tube and fluorinated resin pins which had nearly the same refractive index with that of water and a high light transmission rate. The velocity distribution in an inner subchannel with the wrapping wire was measured by PIV (Particle Image Velocimetry) through the front and lateral sides of the duct tube. In the vertical velocity distribution in a narrow space between the pins, the wrapping wire decreased the velocity downstream of the wire and asymmetric flow distribution was formed between the pin and wire. In the horizontal velocity distribution, swirl flow around the wrapping wire was obviously observed. The measured velocity data are useful for code validation of pin bundle thermalhydraulics. (author)

  10. Author Details

    African Journals Online (AJOL)

    Details PDF · Vol 22, No 2 (1999) - Articles Vegetation under different tree species in Acacia woodland in the Rift Valley of Ethiopia Details PDF · Vol 22, No 2 (1999) - Articles Preliminary evaluation of Phytomyza orobanchia (Diptera: Agromyzidae) as a controller of Orobanche spp in Ethiopia Details PDF. ISSN: 2520–7997.

  11. The Role of Distributed Computing in Big Data Science: Case Studies in Forensics and Bioinformatics

    OpenAIRE

    Roscigno, Gianluca

    2016-01-01

    2014 - 2015 The era of Big Data is leading the generation of large amounts of data, which require storage and analysis capabilities that can be only ad- dressed by distributed computing systems. To facilitate large-scale distributed computing, many programming paradigms and frame- works have been proposed, such as MapReduce and Apache Hadoop, which transparently address some issues of distributed systems and hide most of their technical details. Hadoop is curren...

  12. Using spatial principles to optimize distributed computing for enabling the physical science discoveries.

    Science.gov (United States)

    Yang, Chaowei; Wu, Huayi; Huang, Qunying; Li, Zhenlong; Li, Jing

    2011-04-05

    Contemporary physical science studies rely on the effective analyses of geographically dispersed spatial data and simulations of physical phenomena. Single computers and generic high-end computing are not sufficient to process the data for complex physical science analysis and simulations, which can be successfully supported only through distributed computing, best optimized through the application of spatial principles. Spatial computing, the computing aspect of a spatial cyberinfrastructure, refers to a computing paradigm that utilizes spatial principles to optimize distributed computers to catalyze advancements in the physical sciences. Spatial principles govern the interactions between scientific parameters across space and time by providing the spatial connections and constraints to drive the progression of the phenomena. Therefore, spatial computing studies could better position us to leverage spatial principles in simulating physical phenomena and, by extension, advance the physical sciences. Using geospatial science as an example, this paper illustrates through three research examples how spatial computing could (i) enable data intensive science with efficient data/services search, access, and utilization, (ii) facilitate physical science studies with enabling high-performance computing capabilities, and (iii) empower scientists with multidimensional visualization tools to understand observations and simulations. The research examples demonstrate that spatial computing is of critical importance to design computing methods to catalyze physical science studies with better data access, phenomena simulation, and analytical visualization. We envision that spatial computing will become a core technology that drives fundamental physical science advancements in the 21st century.

  13. Author Details

    African Journals Online (AJOL)

    Petrology of the Cenomanian Upper Member of the Mamfe Embayment, southwestern Cameroon Details · Vol 38, No 1 (2002) - Articles Sequence stratigraphy of Iso field, western onshore Niger Delta, Nigeria Details · Vol 39, No 2 (2003) - Articles Preliminary studies on the lithostratigraphy and depositional environment of ...

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    African Journals Online (AJOL)

    An Overview of Africa's Marine Resources: Their Utilization and Sustainable Management Details · Vol 12, No 3 (2000) - Articles EDITORIAL Ganoderma Lucidum - Paramount among Medicinal Mushrooms. Details · Vol 15, No 3 (2003) - Articles Editorial: Africa's Mushrooms: A neglected bioresource whose time has come

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    African Journals Online (AJOL)

    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Abstract PDF · Vol 3, No 6 (2011) - Articles Mixed convection flow and heat transfer in a vertical wavy channel containing porous and fluid layer with traveling thermal waves. Abstract PDF · Vol 3, No 8 ...

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    African Journals Online (AJOL)

    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Singh, J. Vol 3, No 2 (2011) - Articles Plane waves in a rotating generalized thermo-elastic solid with voids. Abstract PDF. ISSN: 2141-2839. AJOL African Journals Online. HOW TO USE AJOL.

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    African Journals Online (AJOL)

    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Vol 12 (2008) - Articles On the wave equations of shallow water with rough bottom topography. Abstract · Vol 14 (2009) - Articles Energy generation in a plant due to variable sunlight intensity

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    African Journals Online (AJOL)

    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Iliopsoas haematoma in a rugby player. Abstract PDF · Vol 29, No 1 (2017) - Articles The use of negative pressure wave treatment in athlete recovery. Abstract PDF. ISSN: 2078-516X. AJOL African ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Ismail, A. Vol 9, No 3S (2017): Special Issue - Articles Investigate of wave absorption performance for oil palm frond and empty fruit bunch at 5.8 GHz. Abstract PDF · Vol 9, No 3S (2017): Special Issue ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Isa, M.F.M.. Vol 9, No 3S (2017): Special Issue - Articles Experimental and numerical investigation on blast wave propagation in soil structure. Abstract PDF · Vol 9, No 3S (2017): Special Issue - ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... No 3S (2017): Special Issue - Articles Experimental and numerical investigation on blast wave propagation in soil structure. Abstract PDF · Vol 9, No 3S (2017): Special Issue - Articles Simulation on ...

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Duwa, S S. Vol 8 (2004) - Articles Lower hybrid waves instability in a velocity–sheared inhomogenous charged dust beam. Abstract · Vol 9 (2005) - Articles The slide away theory of lower hybrid bursts

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Vol 45 (2016) - Articles From vectors to waves and streams: An alternative approach to semantic maps1. Abstract PDF · Vol 48 (2017) - Articles Introduction: 'n Klein ietsie for Johan Oosthuizen

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... to blast loadings. Abstract PDF · Vol 9, No 3S (2017): Special Issue - Articles Experimental and numerical investigation on blast wave propagation in soil structure. Abstract PDF. ISSN: 1112-9867.

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    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... The use of negative pressure wave treatment in athlete recovery. Abstract PDF · Vol 29, No 1 (2017) - Articles The prevalence, risk factors predicting injury and the severity of injuries sustained during ...

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    African Journals Online (AJOL)

    Author Details. Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Vol 29, No 1 (2017) - Articles The use of negative pressure wave treatment in athlete recovery. Abstract PDF · Vol 29, No 1 (2017) - Articles The prevalence, risk factors predicting injury and the ...

  7. High Performance Data Transfer for Distributed Data Intensive Sciences

    Energy Technology Data Exchange (ETDEWEB)

    Fang, Chin [Zettar Inc., Mountain View, CA (United States); Cottrell, R ' Les' A. [SLAC National Accelerator Lab., Menlo Park, CA (United States); Hanushevsky, Andrew B. [SLAC National Accelerator Lab., Menlo Park, CA (United States); Kroeger, Wilko [SLAC National Accelerator Lab., Menlo Park, CA (United States); Yang, Wei [SLAC National Accelerator Lab., Menlo Park, CA (United States)

    2017-03-06

    We report on the development of ZX software providing high performance data transfer and encryption. The design scales in: computation power, network interfaces, and IOPS while carefully balancing the available resources. Two U.S. patent-pending algorithms help tackle data sets containing lots of small files and very large files, and provide insensitivity to network latency. It has a cluster-oriented architecture, using peer-to-peer technologies to ease deployment, operation, usage, and resource discovery. Its unique optimizations enable effective use of flash memory. Using a pair of existing data transfer nodes at SLAC and NERSC, we compared its performance to that of bbcp and GridFTP and determined that they were comparable. With a proof of concept created using two four-node clusters with multiple distributed multi-core CPUs, network interfaces and flash memory, we achieved 155Gbps memory-to-memory over a 2x100Gbps link aggregated channel and 70Gbps file-to-file with encryption over a 5000 mile 100Gbps link.

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    African Journals Online (AJOL)

    Editor,. Vol 4 (2004) - Articles Editorial: Is actuarial science really a science? Abstract. ISSN: 1680-2179. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL · News. OTHER RESOURCES ...

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    Borteye, EM. Vol 22, No 1-2 (2010) - Articles Networking the library catalogue: Lessons from the Kwame Nkrumah university of science and technology library, Kumasi, Ghana Abstract · Vol 22, No 1-2 (2010) - Articles Students' usage of electronic journals at the Kwame Nkrumah university of science and technology

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    Sezibera, V. Vol 21 (2010): Series D: Life Sciences and Natural Sciences - Articles Intervening on persistent PTSD and co-morbid depression: Rumination Focused Cognitive and Behavioral Therapy (RFCBT) in a randomized controlled trial (RCT) of young survivors of the 1994 genocide against Tutsi in Rwanda

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    Ezeala, CC. Vol 2, No 1 (2010) - Articles Using portfolios to assess professional competence and development in medical laboratory sciences. Abstract PDF · Vol 3, No 2 (2011) - Articles UniSkilling up medical laboratory technologists for higher roles in biomedical sciences: A needs analysis. Abstract PDF.

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    Journal Home > Advanced Search > Author Details. Log in or Register ... (2013) - Articles Technical Note: Development of a Photobioreactor for Microalgae Culture ... Design, Construction and Evaluation of Motorized Okra Slicer Abstract PDF ...

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    Journal Home > Advanced Search > Author Details. Log in or Register to ... No 1 (2014) - Articles Knowledge and Attitudes towards Basic Cardiopulmonary Resuscitation (CPR) among Community Nurses in Remo Area of Ogun State, Nigeria

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    Journal Home > Advanced Search > Author Details. Log in or Register to get ... Optical bus of centralized relay protection and automation system of medium voltage switchgear for data collection and transmission. Abstract PDF. ISSN: 1112- ...

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    Journal Home > Advanced Search > Author Details. Log in or ... The prevention of mother-to-child HIV transmission programme and infant feeding practices ... Evaluation of a diagnostic algorithm for smear-negative pulmonary tuberculosis in ...

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    Journal Home > Advanced Search > Author Details ... Design and Implementation of an M/M/1 Queuing Model Algorithm and its Applicability in ... Vehicle Identification Technology to Intercept Small Arms and Ammunition on Nigeria Roads

  17. Commentary on "Distributed Revisiting: An Analytic for Retention of Coherent Science Learning"

    Science.gov (United States)

    Hewitt, Jim

    2015-01-01

    The article, "Distributed Revisiting: An Analytic for Retention of Coherent Science Learning" is an interesting study that operates at the intersection of learning theory and learning analytics. The authors observe that the relationship between learning theory and research in the learning analytics field is constrained by several…

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    Omifolaji, JK. Vol 7, No 2 (2015) - Articles Relative density and distribution of Tantalus monkey (Cercopithecus tantalus) in the four ranges of Sambisa Game Reserve Abstract PDF · Vol 7, No 2 (2015) - Articles The distribution and abundance of baboons (Papio anubis) in Sambisa Game Reserve Abstract PDF. ISSN: 2141- ...

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    Optimal location of distributed generation for loss minimization in distribution system. Abstract · Vol 10, No 2 (2011) - Articles Conservation of electrical energy in a petrochemical industry in Nigeria Abstract · Vol 11, No 2 (2012) - Articles A comparative study on two cement slurry densities measurement techniques in oil well ...

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    Mwaluma, J. Vol 3, No 2 (2004) - Articles Taxonomic Challenges and Distribution of Gracilarioid Algae (Gracilariales, Rhodophyta) in Tanzania Abstract PDF · Vol 3, No 2 (2004) - Articles Composition, Abundance and Distribution of Brachyuran Larvae in Mida creek, Kenya Abstract PDF. ISSN: 0856-860X. AJOL African ...

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    Mousa, MA. Vol 6 (2004) - Articles Distribution, involvement and plasmid characterization of Aeromonas spp. isolated from food stuffs and human infections. Abstract PDF · Vol 6 (2004) - Articles Distribution, involvement and plasmid characterization of Aeromonas spp. isolated from foodstuffs and human infections

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    Ab Kadir, M.Z.A.. Vol 14, No 1 (2017) - Articles User-friendly tool for power flow analysis and distributed generation optimisation in radial distribution networks. Abstract PDF. ISSN: 2437-2110. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Njubi, Francis. Vol 15, No 1 (2001): Media Freedom and Human Rights - Articles New Media, Old Struggles: Pan Africanism, Anti-racism and Information Technology Details. ISSN: 0256-004. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Radwan M.D, Mona Ahmed. Vol 12, No 1 (2000) - Articles RELAPSING REMITTING MULTIPLE SCLEROSIS: CT AND MRI IMAGING VS CLINICAL FINDINGIN THE DIAGNOSIS AND DETERMINATION OF DISEASE ACTIVITY. Details. ISSN: 1110-5607. AJOL African Journals Online. HOW TO USE AJOL... for Researchers ...

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    Comarof, Jean. Vol 1999, No 3-4 (1999) - Articles Alien-Nation: Zombies, Immigrants and Millennial Capitalism Details. ISSN: 0850-8712. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact ...

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    NENTY, N. JOHNSON. Vol 7, No 3 (2001) - Articles Common errors and perfomance of students in junior secondary mathematics certificate examinations in Cross River State, Nigeria Details PDF. ISSN: 1118-0579. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's ...

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    A Preliminary Investigation of Relative Frequency of Undiagnosed and Previously Diagnosed Hypertension Before First Stroke in a Lagos Hospital Abstract · Vol 9, No 4 (1999) - Articles Localised tetanus in Lagos, Nigeria Details · Vol 9, No 4 (1999) - Articles Stroke with localised infarction of Wernicke's Area misdiagnosed ...

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    SAMA, G. Vol 2 (2002): Supplement - Articles A Longitudinal Study of the Role of T Cell subset, Th1/Th2 cytokines and antiplasmodial antibodies in uncomplicated Malaria in a Village Population Chronically Exposed to Plasmodium falciparum Malaria. Details PDF · AJOL African Journals Online. HOW TO USE AJOL.

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    QUAKYI, A.I.. Vol 2 (2002): Supplement - Articles A Longitudinal Study of the Role of T Cell subset, Th1/Th2 cytokines and antiplasmodial antibodies in uncomplicated Malaria in a Village Population Chronically Exposed to Plasmodium falciparum Malaria. Details PDF · AJOL African Journals Online. HOW TO USE AJOL.

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    KOUONTCHOU, Samuel. Vol 2 (2002): Supplement - Articles Prevalence of Multiple Concomitant Intestinal Parasitic Infections in Simbok a Malaria Endemic Village in Cameroon. Details PDF · Vol 2 (2002): Supplement - Articles A Longitudinal Study of the Role of T Cell subset, Th1/Th2 cytokines and antiplasmodial ...

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    ALAKE, J. Vol 2 (2002): Supplement - Articles A Longitudinal Study of the Role of T Cell subset, Th1/Th2 cytokines and antiplasmodial antibodies in uncomplicated Malaria in a Village Population Chronically Exposed to Plasmodium falciparum Malaria. Details PDF · AJOL African Journals Online. HOW TO USE AJOL.

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    Rakotonirina, Alice. Vol 2, No 2 (2002) - Articles Effect of the decoction of rhizomes of Cyperus articulatus on bicuculline-, N-methyl-D-aspartate- and strychnine-induced behavioural excitation and convulsions in mice. Details PDF · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

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    Love, Alison. Vol 29, No 2 (2002) - Articles Policy-makers, the Press and Politics: Reporting a Public Policy Document Details. ISSN: 0379-0622. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

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    Focho, DA. Vol 2, No 1 (2002) - Articles Observations on the Meiotic Process in the African Pest Grasshopper Taphronota thaelephora Stal. (Orthoptera : Pyrgomorphidae) Details PDF · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Idowu, OO. Vol 8, No 1 (2003) - Articles Evaluation of Different Substrates and Combinations on the Growth of Pleurotus pulmonarius (Fries) Quelet (Sajor-caju) Details. ISSN: 1118-2733. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Ligthelm, A.A.. Vol 5, No 2 (2001) - Articles Community attitudes towards Casinos and the estimated magnitude of problem gambling The Mpumalanga case. Details PDF. ISSN: 1027-4332. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Kioni, P N. Vol 9, No 1 (2007) - Articles Detailed structure of pipe flow with water hammer oscillations. Abstract. ISSN: 1561-7645. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL ...

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    Development of a trap to contaminate variegated grasshoppers (Zonocerus variegatus L.) (Orthoptera: Pyrgomorphidae) with Metarrhyzium flavo-viride Gams & Rozsypal in the field. Details · Vol 40, No 1 (2007) - Articles Yam pests in the Ashanti and Brong Ahafo regions of Ghana: A study of farmers\\' indigenous technical ...

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    Brown, Duncan. Vol 16, No 2 (2002): Continental Africans & the Question of Identity - Articles Environment and Identity: Douglas Livingstone's A Littoral Zone Details. ISSN: 0256-004. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Aderinokun, GA. Vol 9, No 1 (1999) - Articles Relative Influence Of Sociodemographic Variables On Oral Health And Habits Of Some Nigerian School Children Abstract · Vol 9, No 4 (1999) - Articles Oral health services in Nigeria Details. ISSN: 0189-2657. AJOL African Journals Online. HOW TO USE AJOL.

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    EKPA, O. D.. Vol 7, No 2 (2001) - Articles Variental differences AND polymorphism in palm oil: a case study of palm oils blended with coconut oil. Details PDF. ISSN: 1118-0579. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners ...

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    SONUGA, F A. Vol 6, No 1 (2000) - Articles Geophysical investigation of Karkarku earthdam embankment. Details. ISSN: 1118-0579. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL ...

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    Geotechnical properties of lateritic soil developed over quartz schist in Ishara area, south western Nigeria Details · Vol 44, No 1 (2008) - Articles Comparative study of the influence of cement and lime stabilization on geotechnical properties of lateritic soil derived from pegmatite in Ago-Iwoye area, southwestern Nigeria

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    McCarthy, Greg. Vol 15, No 1 (2001): Media Freedom and Human Rights - Articles Caught between Empires: Ambivalence in Australian Films Details. ISSN: 0256-004. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and ...

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    Legwaila, GM. Vol 12 (2003) - Articles Review of sweet sorghum: a potential cash and forage crop in Botswana Details. ISSN: 1021-0873. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact ...

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    Admasu, Assefa. Vol 22, No 2 (1999) - Articles Preliminary evaluation of Phytomyza orobanchia (Diptera: Agromyzidae) as a controller of Orobanche spp in Ethiopia Details PDF. ISSN: 2520–7997. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Okeke, EO. Vol 10 (2006) - Articles Analysis of Stokes waves theory as a diffusion problem. Abstract · Vol 11 (2007) - Articles On the impact of wave-current on Stokes waves. Abstract. ISSN: 1116-4336. AJOL African ...

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    Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text downloads. ... Obtaining the green's function for electromagnetic waves propagating in layered in-homogeneous thin film media of spherical particles on a substrate. Abstract · Vol 20, No 2 (2008) - Articles solution growth and ...

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    Journal Home > Advanced Search > Author Details. Log in or Register to get access to full text ... Abstract · Vol 17 (2010) - Articles Investigating The Travelling Wave Solution For an SIR Endemic Disease Model With No Disease Related Death (When The Spatial Spread Of The Susceptible Is Not Negligible). Abstract.

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    Akum, ZE. Vol 1, No 3 (2001) - Articles Basic home range characteristics for the conservation of the African grey parrot in the Korup national park, Cameroon Details PDF · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms ...

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    Bobcokono, Irene Yatabene. Vol 1, No 1 (2001) - Articles Utilisation du papier filtre dans la gestion de programme de lute contre le SIDA au Cameroun Details PDF · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and ...

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    Lema, VM. Vol 80, No 9 (2003): - Articles Fournier's gangrene complicating vasectomy. Details PDF · Vol 86, No 6 (2009) - Articles Therapeutic misconception and clinical trials in sub-saharan Africa: A review. Abstract PDF · Vol 86, No 11 (2009) - Articles HIV/AIDS and pregnancy-related deaths in Blantyre, Malawi

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    Green, J.M.. Vol 10, No 1 (2001) - Articles Information from Radio Telemetry on movements and exploitation of naturalized Rainbow trout, Oncorhynchus mykiss (Walbaum), in Kenya cold water streams. Details. ISSN: 0002-0036. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

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    Erasmus, GJ. Vol 1, No 1 (2001) - Articles Genetic parameter estimates for growth traits in purebred Gudali and two-breed synthetic Wakwa beef cattle in a tropical environment. Details PDF · AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Odigie, IP. Vol 10, No 4 (2000) - Articles High dose vitamin E administration attenuates hypertensin in 2-Kidney 1 Clip Goldblatt hypertensive rats. Details. ISSN: 0189-2657. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms ...

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    Motabagani, MA. Vol 80, No 9 (2003): - Articles Anomalies of the renal, phrenic and suprarenal arteries: Case Report Details PDF · Vol 81, No 3 (2004): - Articles Morphological study of the uncommon rectus sterni muscle in German cadavers. Abstract PDF. ISSN: 0012-835X. AJOL African Journals Online. HOW TO USE ...

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    Ibeabuchi, NM. Vol 10, No 3 (2000) - Articles Comparison of the effects of Methylsalicylate Cream with cryotherapy on delayed onset muscle soreness. Details · Vol 22, No 2 (2012) - Articles X-ray Pelvimetry And Labour Outcome In Term Pregnancy In A Rural Nigerian Population Abstract. ISSN: 0189-2657. AJOL African ...

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    Warnorff, DK. Vol 13, No 4 (2001) - Articles Development of a scoring system for the diagnosis of tuberculous lymphadenitis. Details PDF. ISSN: 1995-7262. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions ...

  20. Using and Distributing Spaceflight Data: The Johnson Space Center Life Sciences Data Archive

    Science.gov (United States)

    Cardenas, J. A.; Buckey, J. C.; Turner, J. N.; White, T. S.; Havelka,J. A.

    1995-01-01

    Life sciences data collected before, during and after spaceflight are valuable and often irreplaceable. The Johnson Space Center Life is hard to find, and much of the data (e.g. Sciences Data Archive has been designed to provide researchers, engineers, managers and educators interactive access to information about and data from human spaceflight experiments. The archive system consists of a Data Acquisition System, Database Management System, CD-ROM Mastering System and Catalog Information System (CIS). The catalog information system is the heart of the archive. The CIS provides detailed experiment descriptions (both written and as QuickTime movies), hardware descriptions, hardware images, documents, and data. An initial evaluation of the archive at a scientific meeting showed that 88% of those who evaluated the catalog want to use the system when completed. The majority of the evaluators found the archive flexible, satisfying and easy to use. We conclude that the data archive effectively provides key life sciences data to interested users.

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    High-risk sexual behavior and pattern of condom utilization of the Gondar Collage of Medical Sciences (GCMS) Students, North-west Ethiopia Abstract PDF · Vol 15, No 1 (2001) - Articles Self-medication in three towns of North West Ethiopia Abstract · Vol 18, No 2 (2004) - Articles Behavioural survey for HIV/AIDS infection in ...

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    Kafyulilo, AC. Vol 3, No 2 (2011) - Articles Developing Pre-service Teachers' Technology Integration Competencies in Science and Mathematics Teaching: Experiences from Tanzania and Uganda Abstract · Vol 4, No 2 (2013) - Articles Implementation of Competency Based Teaching in Morogoro Teachers' Training College ...

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    Osuafor, AM. Vol 3, No 1 (2014) - Articles Impact of Climate Change on Food Security in Nigeria Abstract PDF · Vol 4, No 1 (2015) - Articles Using Role Play to Teach Overpopulation to Basic Science Students: A Way Forward for Environmental Sustainability Abstract PDF. ISSN: 2227-5444. AJOL African Journals Online.

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    Samuel, NNC. Vol 4, No 1 (2015) - Articles Using Role Play to Teach Overpopulation to Basic Science Students: A Way Forward for Environmental Sustainability Abstract PDF. ISSN: 2227-5444. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    Amadi, Kemakolam, Department of Human Physiology, Faculty of Medical Sciences, University of Jos, P. M. B. 2084, Jos. Nigeria. Vol 1, No 1 (2004) - Articles Evaluation of the purgative properties of the ethanolic extract of Khaya senegalensis. Abstract. ISSN: 0189-8442. AJOL African Journals Online. HOW TO USE AJOL.

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    Arries, E. Vol 6, No 2 (2001) - Articles Intuition in clinical decision-making by the nurse in ICU Abstract · Vol 15, No 1 (2010) - Articles Value-sensitive clinical accompaniment in community nursing science. Abstract PDF. ISSN: 2071-9736. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

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    Misra, M. Vol 103, No 11 (2013) - Articles Hookah pipe smoking among health sciences students. Abstract PDF. ISSN: 0256-95749. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact AJOL ...

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    Charles, Wilson. Vol 12, No 1 (2017) - Articles Knowledge Management (KM) Practices in Institutions of Higher Learning in Tanzania with Reference to Mbeya University of Science and Technology Abstract PDF. ISSN: 0856-1818. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians ...

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    Mosha, DMS. Vol 31 (2005): - Articles Metal ion sequestration: An exciting dimension for molecularly imprinted polymer technology. Abstract PDF · Vol 38, No 3 (2012) - Articles Salt Lakes of the African Rift System: A Valuable Research Opportunity for Insight into Nature's Concenrtated Multi-Electrolyte Science

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    Kagoyire, C. Vol 20 (2011): Series C: Mathematical Sciences, Engineering and Technology - Articles Web geoprocessing services on GML with a fast XML database. Abstract PDF. ISSN: 2305-2678. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    Samuel, Bankole-Ojo Olufunsho. Vol 8, No 1 (2018) - Articles Nanoscale science and nanotechnology education in Africa: importance and challenges. Abstract PDF. ISSN: 2227-5835. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Ani, Okon Edet. Vol 49, No 1-2 (2016) - Articles Bibliometrics analysis of publication output in library and information science research in Nigerian universities 2000-2014. Abstract. ISSN: 0029-0122. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    Scientometric analysis of the Ethiopian Journal of Agricultural Sciences Abstract PDF · Vol 26, No 1 (2015) - Articles Physic nut (Jatropha curcas): miracle plant or a treat in Ethiopia? Abstract PDF · Vol 27, No 1 (2016) - Articles Challenges Associated with Crop Breeding for Adaptation to Drought-Prone Environments

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    Awofodu, DB. Vol 9, No 1 (2011) - Articles Effects of constructivist teaching strategies and traditional lecture method on students' learning outcomes in Nigeria's integrated science education. Abstract PDF. ISSN: 2508-1128. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors ...

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    Chukwuokolo, J. Chidozie. Vol 6, No 2 (2017) - Articles Methodological anarchism or pluralism? An afro-constructivist perspective on Paul Feyerabend's critique of science. Abstract. ISSN: 2408-5987. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    Brown, SA. Vol 4, No 2 (2007) - Articles An in vitro evaluation of the combined antimicrobial activity of ampicillin and cloxacillin against ampicillin resistant Staphylococcus aureus using checker board technique (CBT) Abstract · Vol 6, No 4 (2009) - Articles Computer - based modeling in extract sciences research -III.

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    Sondengam, B. L., Department of Organic Chemistry, Faculty of Science, University of Yaounde I, P.O. Box 812, Yaounde, Cameroon. Vol 19, No 1 (2005) - Articles ERYTHROSUAVINE, A NEW DITERPENIC ALKALOID FROM ERYTHROPHLEUM SUAVEOLENS (GUILL. & PERR.) BRENAN Abstract PDF. ISSN: 1726-801X.

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    Mereku, DK. Vol 3 (2005) - Articles On What Foundation is Africa Building its Science and Technology Base?: Africa\\'s Participation in TIMSS-2003. Abstract PDF · Vol 4 (2006) - Articles The Contexts for Learning and Instruction Influencing Ghanaian JSS2 Students\\' Dismal Performance in TIMSS-2003. Abstract PDF · Vol 10 ...

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    ... Goats in Developing countries: A Case Study of Norwegian Dairy Goats' in Tanzania ... The effect of feeding position and body size on the capacity of small ... Muscle Distribution in Farm Animals: Comparison Between Goats and Other .

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    Singh, Jai Govind. Vol 7, No 3 (2015): Supplement - Articles Impact of plug-in electric vehicles on voltage unbalance in distribution systems. Abstract PDF. ISSN: 2141-2839. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms ...

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    Onwuekwe, IO. Vol 1, No 1 (2011) - Articles Prevalence and Distribution of Neurological Disease in a Neurology Clinic in Enugu, Nigeria Abstract PDF · Vol 1, No 1 (2011) - Articles Multiple Sclerosis in a Nigerian Alcoholic Male: A Case Report from Enugu, South East Nigeria Abstract PDF · Vol 2, No 2 (2012) - Articles

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    Berggren, P. Vol 4, No 1 (2005) - Articles The Occurrence and Distribution of Dolphins in Zanzibar, Tanzania, with Comments on the Differences Between Two Species of Tursiops Abstract PDF. ISSN: 0856-860X. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More ...

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    Hauser, TP. Vol 38, No 2 (2012) - Articles Distribution and Potential Impact of Feral Cotton on the Reintroduction of Cotton in the Southern Highlands, Tanzania Abstract PDF. ISSN: 2507-7961. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

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    Kumar, M. Vol 78, No 1 (2008) - Articles Effect of aspect on distribution pattern of Anogeissus latifolia (Wall Ex Bedd) in subtropical belt of Garhwal Himalaya, India Abstract. ISSN: 2408-8137. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

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    Bandeira, S O. Vol 4, No 2 (2005) - Articles Distribution of Seagrasses and Common Seaweeds Around Nampula Province (Northern Mozambique) with Emphasis on Moçambique Island Abstract PDF. ISSN: 0856-860X. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors ...

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    Relative performance of buffered Rose Bengal plate test (RBPT) and slow (tube) agglutination test (SAT) for detection of Brucella abortus antibodies in indigenous boran cattle in Tanzania Abstract · Vol 28 (2013): Special Issue - Articles Spatial distribution of non-clinical Rift Valley fever viral activity in domestic and wild ...

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    Abdelaziz, Almoataz Y. Vol 7, No 3 (2015): Supplement - Articles Comparative study of classical controllers for LFC of an isolated hybrid distributive generation system. Abstract PDF · Vol 9, No 1 (2017) - Articles Solution of optimal power flow using evolutionary-based algorithms. Abstract PDF · Vol 9, No 2 (2017) - Articles

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    Speder, PR. Vol 15, No 2 (2007) - Articles Nematode distribution and damage to yam in central and eastern Uganda Abstract PDF. ISSN: 2072-6589. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

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    Fotsing Kwetche, PR. Vol 5, No 2 (2009) - Full Articles Quelques facteurs déterminant la distribution des bactéries du genre Vibrio dans l'environnement aquatique de Yaoundé, Cameroun Abstract PDF. ISSN: 1816-0573. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors ...

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    Ikhane, PR. Vol 14, No 3 (2008) - Articles Article size distribution and control on Bitumen saturation of some Tar Sand Deposits in parts of South-Western Nigeria Abstract PDF. ISSN: 1118-0579. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

  12. Author Details

    African Journals Online (AJOL)

    Perceptions of Economic Distributive Injustice: The Influence of Economic Powerlessness and Causal Attributions for Unemployment in Lesotho Abstract · Vol 29, No 1 (2013) - Articles The Influence of Organisational Culture and Job Satisfaction on Intentions to Leave: The Case of Clay Brick Manufacturing Company in ...

  13. Author Details

    African Journals Online (AJOL)

    Ahmad, A. Vol 9, No 6S (2017) - Articles Evaluation of RTD and thermocouple for PID temperature control in distributed control system laboratory. Abstract PDF. ISSN: 1112-9867. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners ...

  14. Author Details

    African Journals Online (AJOL)

    Masrie, M. Vol 9, No 6S (2017) - Articles Evaluation of RTD and thermocouple for PID temperature control in distributed control system laboratory. Abstract PDF. ISSN: 1112-9867. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners ...

  15. Author Details

    African Journals Online (AJOL)

    Saaid, M. F.. Vol 9, No 6S (2017) - Articles Evaluation of RTD and thermocouple for PID temperature control in distributed control system laboratory. Abstract PDF. ISSN: 1112-9867. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners ...

  16. Author Details

    African Journals Online (AJOL)

    The pattern of distribution of encephalocele in University of Port Harcourt Teaching Hospital - A three year experience. Abstract · Vol 20, No 2 (2011) - Articles Evaluation of the Level of Awareness of the Role of Folic Acid in the prevention of Neural Tube Defects amongst Women of Reproductive Age in a Tertiary Health ...

  17. Author Details

    African Journals Online (AJOL)

    Evaluation de l'activite antihyperglycemiante de Holarrhena africana, Strophantus hispidus Et Bridelia ferruginea, plantes utilisees dans le traitement du diabete en medecine traditionnelle au Togo Abstract · Vol 17, No 1 (2015) - Articles Distribution et utilites des mauvaises herbes des champs de cultures du campus ...

  18. Author Details

    African Journals Online (AJOL)

    Abdul, MA. Vol 18, No 2 (2014) - Articles Community-level Distribution of Misoprostol to Prevent Postpartum Hemorrhage at Home Births in Northern Nigeria Abstract PDF. ISSN: 1118-4841. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

  19. Author Details

    African Journals Online (AJOL)

    Dudley, SFJ. Vol 32, No 2 (2010) - Articles The KwaZulu-Natal sardine run: shoal distribution in relation to nearshore environmental conditions, 1997–2007. Abstract · Vol 32, No 2 (2010) - Articles Influence of the annual sardine run on catches of large sharks in the protective gillnets off KwaZulu-Natal, South Africa, and the ...

  20. Author Details

    African Journals Online (AJOL)

    Mokrani, Fatiha. Vol 11, No 2 (2016) - Articles Robust bayesian inference of generalized Pareto distribution. Abstract PDF. ISSN: 2316-090X. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use · Contact ...

  1. Author Details

    African Journals Online (AJOL)

    Necir, Abdelhakim. Vol 11, No 1 (2016) - Articles Statistical estimate of the proportional hazard premium of loss under random censoring. Abstract PDF · Vol 11, No 2 (2016) - Articles Robust bayesian inference of generalized Pareto distribution. Abstract PDF · Vol 12, No 1 (2017) - Articles A Lynden-Bell integral estimator for ...

  2. Author Details

    African Journals Online (AJOL)

    Multivariate Exponential Autoregressive and Autoregressive Moving Average Models Abstract · Vol 16 (2010) - Articles Multivariate Pareto Minification Processes Abstract · Vol 18 (2011) - Articles Methods of Parameter Addition to a Family of Multivariate Exponential and Weibull Distributions Abstract · Vol 20, No 1 (2012) - ...

  3. Author Details

    African Journals Online (AJOL)

    Omenka, UE. Vol 6, No 1 (2013) - Articles Building Trust and Confidentiality in Cloud computing Distributed Data Storage Abstract PDF. ISSN: 1116-5405. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of ...

  4. Author Details

    African Journals Online (AJOL)

    Management and control of radioactive wastes in Ghana Abstract · Vol 14, No 1-2 (2009) - Articles Approximating Sievert Integrals to Monte Carlo Methods to calculate dose rate distributions around P192PIr brachytherapy source. Abstract · Vol 17, No 1-2 (2012) - Articles Mammography examination in Ghana: preliminary ...

  5. Author Details

    African Journals Online (AJOL)

    Mukherjee, V. Vol 7, No 3 (2015): Supplement - Articles Optimal power flow by particle swarm optimization with an aging leader and challengers. Abstract PDF · Vol 7, No 3 (2015): Supplement - Articles Comparative study of classical controllers for LFC of an isolated hybrid distributive generation system. Abstract PDF.

  6. Author Details

    African Journals Online (AJOL)

    Studies on the environmental implications of ants (Hymenoptera: formicidae) associated with two synanthropic environments in Awka, Nigeria Abstract · Vol 5, No 3 (2008) - Articles The effect of land use on the community structure distribution and abundance of ground beetles (insecta: coleoptera) in a guinea savanna in ...

  7. Author Details

    African Journals Online (AJOL)

    Profile of metabolite and biomolecule concentrations in the hemolymph of Bulinus globosus and Bulinus rohlfsi under aestivation and starvation. Abstract · Vol 32, No 2 (2011) - Articles Comparative Studies of two Fresh Water Snail Distributions and Physico-Chemical Parameters in Selected Human Schistosomiasis ...

  8. Author Details

    African Journals Online (AJOL)

    Huggett, JA. Vol 19 (1998) - Articles Weekly variability of clupeoid eggs and larvae in the Benguela jet current: implications for recruitment. Abstract PDF · Vol 38, No 1s (2016): Supplementary - Articles Summer and winter differences in zooplankton biomass, distribution and size composition in the KwaZulu-Natal Bight, ...

  9. Author Details

    African Journals Online (AJOL)

    Abstract PDF · Vol 1, No 1 (2006) - Articles Comparative studies on adsorption of methylene blue (MB) by sawdust and walnut shells carbon coated with ZnO. Abstract PDF · Vol 2, No 3 (2007) - Articles Effects of pH and total organic carbon (TOC) on the distribution of trace metals in Kubanni dam sediments, Zaria, Nigeria

  10. Author Details

    African Journals Online (AJOL)

    Eze, KC. Vol 14, No 2 (2007) - Articles Tuberculosis in a Nigeria teaching hospital: Incidence and pattern of distribution. Abstract. ISSN: 1117-4153. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

  11. Author Details

    African Journals Online (AJOL)

    Impact of substrate amendment on the polyaromatic hydrocarbon contents of a five month old waste engine oil polluted soil. Abstract PDF · Vol 2, No 11 (2008) - Articles Metal tolerant species distribution and richness in and around the metal based industries: Possible candidates for phytoremediation. Abstract PDF.

  12. Author Details

    African Journals Online (AJOL)

    Pseudophilotes sinaicus Nakamura): an introduction. Abstract PDF · Vol 8 (2006) - Articles Interactions among species in a tri-trophic system: the influence of ants on the distribution of the Sinai Baton Blue butterfly. Abstract PDF · Vol 8 (2006) - ...

  13. Author Details

    African Journals Online (AJOL)

    Singh, J.G.. Vol 7, No 3 (2015): Supplement - Articles Distributed AC power flow method for AC and AC-DC hybrid autonomous microgrids with droop control. Abstract PDF. ISSN: 2141-2839. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's ...

  14. Author Details

    African Journals Online (AJOL)

    Kaoga, DK. Vol 6, No 2 (2014) - Articles Performance Analysis of Methods for Estimating Weibull Parameters for Wind Speed Distribution in the District of Maroua Abstract PDF. ISSN: 1112-9867. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL ...

  15. Author Details

    African Journals Online (AJOL)

    Wajiga, GM. Vol 10, No 2 (2012) - Articles Parallel and Distributed Data Processing Using Autonomous Software Agents Abstract · Vol 10, No 2 (2012) - Articles Software agent Technology: A Framework for Minimizing Fraud in Postpaid Billing Systems Abstract · Vol 10, No 2 (2012) - Articles Artificial Neural Networks to ...

  16. Author Details

    African Journals Online (AJOL)

    Kigera, James. Vol 13, No 2 (2016) - Articles Distribution of Scaphoid Nutrient Foramina Abstract PDF · Vol 13, No 2 (2016) - Articles Semitendinosus Tendon for Solitary Use in Anterior Cruciate Ligament Reconstruction Abstract PDF · Vol 13, No 2 (2016) - Articles Dupuytren's Diathesis in an African Male Abstract PDF.

  17. Academic detailing.

    Science.gov (United States)

    Shankar, P R; Jha, N; Piryani, R M; Bajracharya, O; Shrestha, R; Thapa, H S

    2010-01-01

    There are a number of sources available to prescribers to stay up to date about medicines. Prescribers in rural areas in developing countries however, may not able to access some of them. Interventions to improve prescribing can be educational, managerial, and regulatory or use a mix of strategies. Detailing by the pharmaceutical industry is widespread. Academic detailing (AD) has been classically seen as a form of continuing medical education in which a trained health professional such as a physician or pharmacist visits physicians in their offices to provide evidence-based information. Face-to-face sessions, preferably on an individual basis, clear educational and behavioural objectives, establishing credibility with respect to objectivity, stimulating physician interaction, use of concise graphic educational materials, highlighting key messages, and when possible, providing positive reinforcement of improved practices in follow-up visits can increase success of AD initiatives. AD is common in developed countries and certain examples have been cited in this review. In developing countries the authors have come across reports of AD in Pakistan, Sudan, Argentina and Uruguay, Bihar state in India, Zambia, Cuba, Indonesia and Mexico. AD had a consistent, small but potentially significant impact on prescribing practices. AD has much less resources at its command compared to the efforts by the industry. Steps have to be taken to formally start AD in Nepal and there may be specific hindering factors similar to those in other developing nations.

  18. Author Details

    African Journals Online (AJOL)

    Réduction des coûts alimentaires des lapins (Oryctolagus cuniculus L.) par la distribution de l'herbe de lait (Euphorbia heterophylla (L.) Klotz. & Garcke) associée à l'herbe de Guinée (Panicum maximum Jacq.) Lam... Abstract PDF · Vol 101 (2016) - Articles Effet d'un aliment commercial de poules pondeuses sur la teneur ...

  19. An analysis of distribution transformer failure using the statistical package for the social sciences (SPSS software

    Directory of Open Access Journals (Sweden)

    María Gabriela Mago Ramos

    2012-05-01

    Full Text Available A methodology was developed for analysing faults in distribution transformers using the statistical package for social sciences (SPSS; it consisted of organising and creating of database regarding failed equipment, incorporating such data into the processing programme and converting all the information into numerical variables to be processed, thereby obtaining descriptive statistics and enabling factor and discriminant analysis. The research was based on information provided by companies in areas served by Corpoelec (Valencia, Venezuela and Codensa (Bogotá, Colombia.

  20. Locating ethics in data science: responsibility and accountability in global and distributed knowledge production systems.

    Science.gov (United States)

    Leonelli, Sabina

    2016-12-28

    The distributed and global nature of data science creates challenges for evaluating the quality, import and potential impact of the data and knowledge claims being produced. This has significant consequences for the management and oversight of responsibilities and accountabilities in data science. In particular, it makes it difficult to determine who is responsible for what output, and how such responsibilities relate to each other; what 'participation' means and which accountabilities it involves, with regard to data ownership, donation and sharing as well as data analysis, re-use and authorship; and whether the trust placed on automated tools for data mining and interpretation is warranted (especially as data processing strategies and tools are often developed separately from the situations of data use where ethical concerns typically emerge). To address these challenges, this paper advocates a participative, reflexive management of data practices. Regulatory structures should encourage data scientists to examine the historical lineages and ethical implications of their work at regular intervals. They should also foster awareness of the multitude of skills and perspectives involved in data science, highlighting how each perspective is partial and in need of confrontation with others. This approach has the potential to improve not only the ethical oversight for data science initiatives, but also the quality and reliability of research outputs.This article is part of the themed issue 'The ethical impact of data science'. © 2015 The Authors.

  1. Probing the structure of complex solids using a distributed computing approach-Applications in zeolite science

    International Nuclear Information System (INIS)

    French, Samuel A.; Coates, Rosie; Lewis, Dewi W.; Catlow, C. Richard A.

    2011-01-01

    We demonstrate the viability of distributed computing techniques employing idle desktop computers in investigating complex structural problems in solids. Through the use of a combined Monte Carlo and energy minimisation method, we show how a large parameter space can be effectively scanned. By controlling the generation and running of different configurations through a database engine, we are able to not only analyse the data 'on the fly' but also direct the running of jobs and the algorithms for generating further structures. As an exemplar case, we probe the distribution of Al and extra-framework cations in the structure of the zeolite Mordenite. We compare our computed unit cells with experiment and find that whilst there is excellent correlation between computed and experimentally derived unit cell volumes, cation positioning and short-range Al ordering (i.e. near neighbour environment), there remains some discrepancy in the distribution of Al throughout the framework. We also show that stability-structure correlations only become apparent once a sufficiently large sample is used. - Graphical Abstract: Aluminium distributions in zeolites are determined using e-science methods. Highlights: → Use of e-science methods to search configurationally space. → Automated control of space searching. → Identify key structural features conveying stability. → Improved correlation of computed structures with experimental data.

  2. Source fault model of the 2011 off the pacific coast of Tohoku Earthquake, estimated from the detailed distribution of tsunami run-up heights

    International Nuclear Information System (INIS)

    Matsuta, Nobuhisa; Suzuki, Yasuhiro; Sugito, Nobuhiko; Nakata, Takashi; Watanabe, Mitsuhisa

    2015-01-01

    The distribution of tsunami run-up heights generally has spatial variations, because run-up heights are controlled by coastal topography including local-scale landforms such as natural levees, in addition to land use. Focusing on relationships among coastal topography, land conditions, and tsunami run-up heights of historical tsunamis—Meiji Sanriku (1896 A.D.), Syowa Sanriku (1933 A.D.), and Chilean Sanriku (1960 A.D.) tsunamis—along the Sanriku coast, it is found that the wavelength of a tsunami determines inundation areas as well as run-up heights. Small bays facing the Pacific Ocean are sensitive to short wavelength tsunamis, and large bays are sensitive to long wavelength tsunamis. The tsunami observed off Kamaishi during the 2011 off the Pacific coast of Tohoku Earthquake was composed of both short and long wavelength components. We examined run-up heights of the Tohoku tsunami, and found that: (1) coastal areas north of Kamaishi and south of Yamamoto were mainly attacked by short wavelength tsunamis; and (2) no evidence of short wavelength tsunamis was observed from Ofunato to the Oshika Peninsula. This observation coincides with the geomorphologically proposed source fault model, and indicates that the extraordinary large slip along the shallow part of the plate boundary off Sendai, proposed by seismological and geodesic analyses, is not needed to explain the run-up heights of the Tohoku tsunami. To better understand spatial variations of tsunami run-up heights, submarine crustal movements, and source faults, a detailed analysis is required of coastal topography, land conditions, and submarine tectonic landforms from the perspective of geomorphology. (author)

  3. Detailed Debunking of Denial

    Science.gov (United States)

    Enting, I. G.; Abraham, J. P.

    2012-12-01

    The disinformation campaign against climate science has been compared to a guerilla war whose tactics undermine the traditional checks and balances of science. One comprehensive approach has to been produce archives of generic responses such as the websites of RealClimate and SkepticalScience. We review our experiences with an alternative approach of detailed responses to a small number of high profile cases. Our particular examples were Professor Ian Plimer and Christopher Monckton, the Third Viscount Monckton of Brenchley, each of whom has been taken seriously by political leaders in our respective countries. We relate our experiences to comparable examples such as John Mashey's analysis of the Wegman report and the formal complaints about Lomborg's "Skeptical Environmentalist" and Durkin's "Great Global Warming Swindle". Our two approaches used contrasting approaches: an on-line video of a lecture vs an evolving compendium of misrepresentations. Additionally our approaches differed in the emphasis. The analysis of Monckton concentrated on the misrepresentation of the science, while the analysis of Plimer concentrated on departures from accepted scientific practice: fabrication of data, misrepresentation of cited sources and unattributed use of the work of others. Benefits of an evolving compendium were the ability to incorporate contributions from members of the public who had identified additional errors and the scope for addressing new aspects as they came to public attention. `Detailed debunking' gives non-specialists a reference point for distinguishing non-science when engaging in public debate.

  4. Establishing a distributed national research infrastructure providing bioinformatics support to life science researchers in Australia.

    Science.gov (United States)

    Schneider, Maria Victoria; Griffin, Philippa C; Tyagi, Sonika; Flannery, Madison; Dayalan, Saravanan; Gladman, Simon; Watson-Haigh, Nathan; Bayer, Philipp E; Charleston, Michael; Cooke, Ira; Cook, Rob; Edwards, Richard J; Edwards, David; Gorse, Dominique; McConville, Malcolm; Powell, David; Wilkins, Marc R; Lonie, Andrew

    2017-06-30

    EMBL Australia Bioinformatics Resource (EMBL-ABR) is a developing national research infrastructure, providing bioinformatics resources and support to life science and biomedical researchers in Australia. EMBL-ABR comprises 10 geographically distributed national nodes with one coordinating hub, with current funding provided through Bioplatforms Australia and the University of Melbourne for its initial 2-year development phase. The EMBL-ABR mission is to: (1) increase Australia's capacity in bioinformatics and data sciences; (2) contribute to the development of training in bioinformatics skills; (3) showcase Australian data sets at an international level and (4) enable engagement in international programs. The activities of EMBL-ABR are focussed in six key areas, aligning with comparable international initiatives such as ELIXIR, CyVerse and NIH Commons. These key areas-Tools, Data, Standards, Platforms, Compute and Training-are described in this article. © The Author 2017. Published by Oxford University Press.

  5. Web Services Implementations at Land Process and Goddard Earth Sciences Distributed Active Archive Centers

    Science.gov (United States)

    Cole, M.; Bambacus, M.; Lynnes, C.; Sauer, B.; Falke, S.; Yang, W.

    2007-12-01

    NASA's vast array of scientific data within its Distributed Active Archive Centers (DAACs) is especially valuable to both traditional research scientists as well as the emerging market of Earth Science Information Partners. For example, the air quality science and management communities are increasingly using satellite derived observations in their analyses and decision making. The Air Quality Cluster in the Federation of Earth Science Information Partners (ESIP) uses web infrastructures of interoperability, or Service Oriented Architecture (SOA), to extend data exploration, use, and analysis and provides a user environment for DAAC products. In an effort to continually offer these NASA data to the broadest research community audience, and reusing emerging technologies, both NASA's Goddard Earth Science (GES) and Land Process (LP) DAACs have engaged in a web services pilot project. Through these projects both GES and LP have exposed data through the Open Geospatial Consortiums (OGC) Web Services standards. Reusing several different existing applications and implementation techniques, GES and LP successfully exposed a variety data, through distributed systems to be ingested into multiple end-user systems. The results of this project will enable researchers world wide to access some of NASA's GES & LP DAAC data through OGC protocols. This functionality encourages inter-disciplinary research while increasing data use through advanced technologies. This paper will concentrate on the implementation and use of OGC Web Services, specifically Web Map and Web Coverage Services (WMS, WCS) at GES and LP DAACs, and the value of these services within scientific applications, including integration with the DataFed air quality web infrastructure and in the development of data analysis web applications.

  6. Detailed facies analyses within the Bluell and Sherwood Members, Mission Canyon Formation, North Dakota, USA - Facies stacking patterns, sequence stratigraphy and porosity relationship, consequences for reservoir distribution

    OpenAIRE

    Sjöstedt, Tony

    2017-01-01

    Detailed core analysis from seven wells with cores cut within the overall carbonate succession that makes up the Bluell and Sherwood Members of the Mission Canyon Formation located in Renville County, North Dakota, resulted in the identification of eleven depositional facies. These facies that reflect a range in depositional conditions from inner to back ramp, that is shallow fair-weather to uppermost intertidal and supratidal conditions. Systematic core analysis using a highly detailed digit...

  7. Universality of rank-ordering distributions in the arts and sciences.

    Directory of Open Access Journals (Sweden)

    Gustavo Martínez-Mekler

    Full Text Available Searching for generic behaviors has been one of the driving forces leading to a deep understanding and classification of diverse phenomena. Usually a starting point is the development of a phenomenology based on observations. Such is the case for power law distributions encountered in a wealth of situations coming from physics, geophysics, biology, lexicography as well as social and financial networks. This finding is however restricted to a range of values outside of which finite size corrections are often invoked. Here we uncover a universal behavior of the way in which elements of a system are distributed according to their rank with respect to a given property, valid for the full range of values, regardless of whether or not a power law has previously been suggested. We propose a two parameter functional form for these rank-ordered distributions that gives excellent fits to an impressive amount of very diverse phenomena, coming from the arts, social and natural sciences. It is a discrete version of a generalized beta distribution, given by f(r = A(N+1-r(b/r(a, where r is the rank, N its maximum value, A the normalization constant and (a, b two fitting exponents. Prompted by our genetic sequence observations we present a growth probabilistic model incorporating mutation-duplication features that generates data complying with this distribution. The competition between permanence and change appears to be a relevant, though not necessary feature. Additionally, our observations mainly of social phenomena suggest that a multifactorial quality resulting from the convergence of several heterogeneous underlying processes is an important feature. We also explore the significance of the distribution parameters and their classifying potential. The ubiquity of our findings suggests that there must be a fundamental underlying explanation, most probably of a statistical nature, such as an appropriate central limit theorem formulation.

  8. The Distribution of Ice in Lunar Permanently Shadowed Regions: Science Enabling Exploration (Invited)

    Science.gov (United States)

    Hurley, D.; Elphic, R. C.; Bussey, B.; Hibbitts, C.; Lawrence, D. J.

    2013-12-01

    Recent prospecting indicates that water ice occurs in enhanced abundances in some lunar PSRs. That water constitutes a resource that enables lunar exploration if it can be harvested for fuel and life support. Future lunar exploration missions will need detailed information about the distribution of volatiles in lunar permanently shadowed regions (PSRs). In addition, the volatiles also offer key insights into the recent and distant past, as they have trapped volatiles delivered to the moon over ~2 Gyr. This comprises an unparalleled reservoir of past inner solar system volatiles, and future scientific missions are needed to make the measurements that will reveal the composition of those volatiles. These scientific missions will necessarily have to acquire and analyze samples of volatiles from the PSRs. For both exploration and scientific purposes, the precise location of volatiles will need to be known. However, data indicate that ice is distributed heterogeneously on the Moon. It is unlikely that the distribution will be known a priori with enough spatial resolution to guarantee access to volatiles using a single point sample. Some mechanism for laterally or vertically distributed access will increase the likelihood of acquiring a rich sample of volatiles. Trade studies will need to be conducted to anticipate the necessary range and duration of missions to lunar PSRs that will be needed to accomplish the mission objectives. We examine the spatial distribution of volatiles in lunar PSRs reported from data analyses and couple those with models of smaller scale processes. FUV and laser data from PSRs that indicate the average surface distribution is consistent with low abundances on the extreme surface in most PSRs. Neutron and radar data that probe the distribution at depth show heterogeneity at broad spatial resolution. We consider those data in conjunction with the model to understand the full, 3-D nature of the heterogeneity. A Monte Carlo technique simulates the

  9. Citizen science contributes to our knowledge of invasive plant species distributions

    Science.gov (United States)

    Crall, Alycia W.; Jarnevich, Catherine S.; Young, Nicholas E.; Panke, Brendon; Renz, Mark; Stohlgren, Thomas

    2015-01-01

    Citizen science is commonly cited as an effective approach to expand the scale of invasive species data collection and monitoring. However, researchers often hesitate to use these data due to concerns over data quality. In light of recent research on the quality of data collected by volunteers, we aimed to demonstrate the extent to which citizen science data can increase sampling coverage, fill gaps in species distributions, and improve habitat suitability models compared to professionally generated data sets used in isolation. We combined data sets from professionals and volunteers for five invasive plant species (Alliaria petiolata, Berberis thunbergii, Cirsium palustre, Pastinaca sativa, Polygonum cuspidatum) in portions of Wisconsin. Volunteers sampled counties not sampled by professionals for three of the five species. Volunteers also added presence locations within counties not included in professional data sets, especially in southern portions of the state where professional monitoring activities had been minimal. Volunteers made a significant contribution to the known distribution, environmental gradients sampled, and the habitat suitability of P. cuspidatum. Models generated with professional data sets for the other four species performed reasonably well according to AUC values (>0.76). The addition of volunteer data did not greatly change model performance (AUC > 0.79) but did change the suitability surface generated by the models, making them more realistic. Our findings underscore the need to merge data from multiple sources to improve knowledge of current species distributions, and to predict their movement under present and future environmental conditions. The efficiency and success of these approaches require that monitoring efforts involve multiple stakeholders in continuous collaboration via established monitoring networks.

  10. Using Citizen Science Observations to Model Species Distributions Over Space, Through Time, and Across Scales

    Science.gov (United States)

    Kelling, S.

    2017-12-01

    The goal of Biodiversity research is to identify, explain, and predict why a species' distribution and abundance vary through time, space, and with features of the environment. Measuring these patterns and predicting their responses to change are not exercises in curiosity. Today, they are essential tasks for understanding the profound effects that humans have on earth's natural systems, and for developing science-based environmental policies. To gain insight about species' distribution patterns requires studying natural systems at appropriate scales, yet studies of ecological processes continue to be compromised by inadequate attention to scale issues. How spatial and temporal patterns in nature change with scale often reflects fundamental laws of physics, chemistry, or biology, and we can identify such basic, governing laws only by comparing patterns over a wide range of scales. This presentation will provide several examples that integrate bird observations made by volunteers, with NASA Earth Imagery using Big Data analysis techniques to analyze the temporal patterns of bird occurrence across scales—from hemisphere-wide views of bird distributions to the impact of powerful city lights on bird migration.

  11. Beyond funding: What can acknowledgements reveal about credit distribution in science?

    Energy Technology Data Exchange (ETDEWEB)

    Paul-Hus, A.; DiazFaes, A.; Desrochers, N.; Costas, R.; Sainte-Marie, M.; Macaluso, B.; Lariviere, V.

    2016-07-01

    Funding acknowledgements found in scientific publications have been used for decades to study the role of funding in science production. However, beyond funding information, acknowledgements convey the indebtedness of authors to individuals, institutions and organizations that contributed, in some way, to the research that lead to publication. The objective of this paper is to explore the different types of contributions acknowledged in WoS funding acknowledgement (FA) texts. The Correspondence Analysis performed in this study reveals that FAs offer a unique window on research and collaborative practices, credit distribution, and how these vary across disciplines. FAs thus contribute to make the traditionally “invisible contributions” visible to the scientific community. Results presented in this study go further in demonstrating that acknowledgements are not confined to credit attribution, as they include disclosures of conflict of interest. (Author)

  12. NASA's EOSDIS Cumulus: Ingesting, Archiving, Managing, and Distributing Earth Science Data from the Commercial Cloud

    Science.gov (United States)

    Baynes, Katie; Ramachandran, Rahul; Pilone, Dan; Quinn, Patrick; Gilman, Jason; Schuler, Ian; Jazayeri, Alireza

    2017-01-01

    NASA's Earth Observing System Data and Information System (EOSDIS) has been working towards a vision of a cloud-based, highly-flexible, ingest, archive, management, and distribution system for its ever-growing and evolving data holdings. This system, Cumulus, is emerging from its prototyping stages and is poised to make a huge impact on how NASA manages and disseminates its Earth science data. This talk will outline the motivation for this work, present the achievements and hurdles of the past 18 months and will chart a course for the future expansion of the Cumulus expansion. We will explore on not just the technical, but also the socio-technical challenges that we face in evolving a system of this magnitude into the cloud and how we are rising to meet those challenges through open collaboration and intentional stakeholder engagement.

  13. Using Distributed Operations to Enable Science Research on the International Space Station

    Science.gov (United States)

    Bathew, Ann S.; Dudley, Stephanie R. B.; Lochmaier, Geoff D.; Rodriquez, Rick C.; Simpson, Donna

    2011-01-01

    In the early days of the International Space Station (ISS) program, and as the organization structure was being internationally agreed upon and documented, one of the principal tenets of the science program was to allow customer-friendly operations. One important aspect of this was to allow payload developers and principle investigators the flexibility to operate their experiments from either their home sites or distributed telescience centers. This telescience concept was developed such that investigators had several options for ISS utilization support. They could operate from their home site, the closest telescience center, or use the payload operations facilities at the Marshall Space Flight Center in Huntsville, Alabama. The Payload Operations Integration Center (POIC) processes and structures were put into place to allow these different options to its customers, while at the same time maintain its centralized authority over NASA payload operations and integration. For a long duration space program with many scientists, researchers, and universities expected to participate, it was imperative that the program structure be in place to successfully facilitate this concept of telescience support. From a payload control center perspective, payload science operations require two major elements in order to make telescience successful within the scope of the ISS program. The first element is decentralized control which allows the remote participants the freedom and flexibility to operate their payloads within their scope of authority. The second element is a strong ground infrastructure, which includes voice communications, video, telemetry, and commanding between the POIC and the payload remote site. Both of these elements are important to telescience success, and both must be balanced by the ISS program s documented requirements for POIC to maintain its authority as an integration and control center. This paper describes both elements of distributed payload

  14. Main: Clone Detail [KOME

    Lifescience Database Archive (English)

    Full Text Available Clone Detail Mapping Pseudomolecule data detail Detail information Mapping to the T...IGR japonica Pseudomolecules kome_mapping_pseudomolecule_data_detail.zip kome_mapping_pseudomolecule_data_detail ...

  15. Towards distributed multiscale computing for the VPH

    NARCIS (Netherlands)

    Hoekstra, A.G.; Coveney, P.

    2010-01-01

    Multiscale modeling is fundamental to the Virtual Physiological Human (VPH) initiative. Most detailed three-dimensional multiscale models lead to prohibitive computational demands. As a possible solution we present MAPPER, a computational science infrastructure for Distributed Multiscale Computing

  16. Distribution models for koalas in South Australia using citizen science-collected data.

    Science.gov (United States)

    Sequeira, Ana M M; Roetman, Philip E J; Daniels, Christopher B; Baker, Andrew K; Bradshaw, Corey J A

    2014-06-01

    ' distributions provided that the statistical approaches applied account for some uncertainties and potential biases. A future improvement to citizen science surveys to provide better data on search effort is that smartphone apps could be activated at the start of the search. The results of our models provide preliminary ranges of habitat suitability and population size for a species for which previous data have been difficult or impossible to gather otherwise.

  17. Distribution models for koalas in South Australia using citizen science-collected data

    Science.gov (United States)

    Sequeira, Ana M M; Roetman, Philip E J; Daniels, Christopher B; Baker, Andrew K; Bradshaw, Corey J A

    2014-01-01

    ' distributions provided that the statistical approaches applied account for some uncertainties and potential biases. A future improvement to citizen science surveys to provide better data on search effort is that smartphone apps could be activated at the start of the search. The results of our models provide preliminary ranges of habitat suitability and population size for a species for which previous data have been difficult or impossible to gather otherwise. PMID:25360252

  18. Computational modelling of radiotherapy treatment equipment, relationship between the intricate details of a radiotherapy treatment beam and its subsequent dose distributions

    International Nuclear Information System (INIS)

    Hug, B.H.; Ebert, M.A.; Woodward, R.

    2011-01-01

    Full text: As treatment planning and delivery technology continues to improve, physicists are faced with new IMRT QA challenges. A proposed solution is beam monitoring devices capable of measuring beam fluence modulation. However, information provided by such a device is only a surrogate of the true beam fluence. This work examined the relationship between the level of knowledge of beam fluence provided by such a device and the implication on dosimetry calculations. Phase space files obtained from the TAEA database for varying linac manufacturer and field sizes particle characteristics were modified and used as the source for a DOSXYZnrc Monte Carlo dose calculation in a water phantom. Dose representations were produced for the unmodified and modified dose files and the dose variations quantified. Results show that altering the particle directions had the most effect in the penumbral regions. Reduced knowledge regarding the particle spectra and contamination lead to marked differences in the dose build up region as well as off axis regions at depth. Current Fluence measurement devices could potentially be oversimplifying the relationship between the beam characteristics and the subsequent calculated dose distribution. Conclusion suggest if a fluence device is to be used for dosimetry purposes, the device must be capable of resolving beam characteristics. The limit of information required to be known to accurately predict a dose distribution will be determined and used in conjunction with Monte Carlo simulations to investigate the response of novel detector geometries to such particle characteristics.

  19. Details of 1π sr wide acceptance angle electrostatic lens for electron energy and two-dimensional angular distribution analysis combined with real space imaging

    International Nuclear Information System (INIS)

    Tóth, László; Matsuda, Hiroyuki; Matsui, Fumihiko; Goto, Kentaro; Daimon, Hiroshi

    2012-01-01

    We propose a new 1π sr Wide Acceptance Angle Electrostatic Lens (WAAEL), which works as a photoemission electron microscope (PEEM), a highly sensitive display-type electron energy and two-dimensional angular distribution analyzer. It can display two-dimensional angular distributions of charged particles within the acceptance angle of ±60° that is much larger than the largest acceptance angle range so far and comparable to the display-type spherical mirror analyzer developed by Daimon et al. . It has good focusing capabilities with 5-times magnification and 27(4) μm lateral-resolution. The relative energy resolution is typically from 2 to 5×10 -3 depending on the diameter of energy aperture and the emission area on the sample. Although, the lateral resolution of the presented lens is far from those are available nowadays, but this is the first working model that can form images using charged particles collected from 1π sr wide acceptance angle. The realization of such lens system is one of the first possible steps towards reaching the field of imaging type atomic resolution electron microscopy Feynman et al. Here some preliminary results are shown.

  20. CO2 Data Distribution and Support from the Goddard Earth Science Data and Information Services Center (GES-DISC)

    Science.gov (United States)

    Hearty, Thomas; Savtchenko, Andrey; Vollmer, Bruce; Albayrak, Arif; Theobald, Mike; Esfandiari, Ed; Wei, Jennifer

    2015-01-01

    This talk will describe the support and distribution of CO2 data products from OCO-2, AIRS, and ACOS, that are archived and distributed from the Goddard Earth Sciences Data and Information Services Center. We will provide a brief summary of the current online archive and distribution metrics for the OCO-2 Level 1 products and plans for the Level 2 products. We will also describe collaborative data sets and services (e.g., matchups with other sensors) and solicit feedback for potential future services.

  1. When citizens and scientists work together : a french collaborative science network on earthworms communities distribution

    Science.gov (United States)

    Guernion, Muriel; Hoeffner, Kevin; Guillocheau, Sarah; Hotte, Hoël; Cylly, Daniel; Piron, Denis; Cluzeau, Daniel; Hervé, Morgane; Nicolai, Annegret; Pérès, Guénola

    2017-04-01

    Scientists have become more and more interested in earthworms because of their impact on soil functioning and their importance in provision of many ecosystem services. To improve the knowledge on soil biodiversity and integrate earthworms in soil quality diagnostics, it appeared necessary to gain a large amount of data on their distribution. The University of Rennes 1 developed since 2011 a collaborative science project called Observatoire Participatif des Vers de Terre (OPVT, participative earthworm observatory). It has several purposes : i) to offer a simple tool for soil biodiversity evaluation in natural and anthropic soils through earthworm assessment, ii) to offer trainings to farmers, territory managers, gardeners, pupils on soil ecology, iii) to build a database of reference values on earthworms in different habitats, iv) to propose a website (https://ecobiosoil.univ-rennes1.fr/OPVT_accueil.php) providing for example general scientific background (earthworm ecology and impacts of soil management), sampling protocols and online visualization of results (data processing and earthworms mapping). Up to now, more than 5000 plots have been prospected since the opening of the project in 2011., Initially available to anyone on a voluntary basis, this project is also used by the French Ministry of Agriculture to carry out a scientific survey throughout the French territory.

  2. Antibodies to the core proteins of Nairobi sheep disease virus/Ganjam virus reveal details of the distribution of the proteins in infected cells and tissues.

    Science.gov (United States)

    Lasecka, Lidia; Bin-Tarif, Abdelghani; Bridgen, Anne; Juleff, Nicholas; Waters, Ryan A; Baron, Michael D

    2015-01-01

    Nairobi sheep disease virus (NSDV; also called Ganjam virus in India) is a bunyavirus of the genus Nairovirus. It causes a haemorrhagic gastroenteritis in sheep and goats with mortality up to 90%. The virus is closely related to the human pathogen Crimean-Congo haemorrhagic fever virus (CCHFV). Little is currently known about the biology of NSDV. We have generated specific antibodies against the virus nucleocapsid protein (N) and polymerase (L) and used these to characterise NSDV in infected cells and to study its distribution during infection in a natural host. Due to its large size and the presence of a papain-like protease (the OTU-like domain) it has been suggested that the L protein of nairoviruses undergoes an autoproteolytic cleavage into polymerase and one or more accessory proteins. Specific antibodies which recognise either the N-terminus or the C-terminus of the NSDV L protein showed no evidence of L protein cleavage in NSDV-infected cells. Using the specific anti-N and anti-L antibodies, it was found that these viral proteins do not fully colocalise in infected cells; the N protein accumulated near the Golgi at early stages of infection while the L protein was distributed throughout the cytoplasm, further supporting the multifunctional nature of the L protein. These antibodies also allowed us to gain information about the organs and cell types targeted by the virus in vivo. We could detect NSDV in cryosections prepared from various tissues collected post-mortem from experimentally inoculated animals; the virus was found in the mucosal lining of the small and large intestine, in the lungs, and in mesenteric lymph nodes (MLN), where NSDV appeared to target monocytes and/or macrophages.

  3. Antibodies to the core proteins of Nairobi sheep disease virus/Ganjam virus reveal details of the distribution of the proteins in infected cells and tissues.

    Directory of Open Access Journals (Sweden)

    Lidia Lasecka

    Full Text Available Nairobi sheep disease virus (NSDV; also called Ganjam virus in India is a bunyavirus of the genus Nairovirus. It causes a haemorrhagic gastroenteritis in sheep and goats with mortality up to 90%. The virus is closely related to the human pathogen Crimean-Congo haemorrhagic fever virus (CCHFV. Little is currently known about the biology of NSDV. We have generated specific antibodies against the virus nucleocapsid protein (N and polymerase (L and used these to characterise NSDV in infected cells and to study its distribution during infection in a natural host. Due to its large size and the presence of a papain-like protease (the OTU-like domain it has been suggested that the L protein of nairoviruses undergoes an autoproteolytic cleavage into polymerase and one or more accessory proteins. Specific antibodies which recognise either the N-terminus or the C-terminus of the NSDV L protein showed no evidence of L protein cleavage in NSDV-infected cells. Using the specific anti-N and anti-L antibodies, it was found that these viral proteins do not fully colocalise in infected cells; the N protein accumulated near the Golgi at early stages of infection while the L protein was distributed throughout the cytoplasm, further supporting the multifunctional nature of the L protein. These antibodies also allowed us to gain information about the organs and cell types targeted by the virus in vivo. We could detect NSDV in cryosections prepared from various tissues collected post-mortem from experimentally inoculated animals; the virus was found in the mucosal lining of the small and large intestine, in the lungs, and in mesenteric lymph nodes (MLN, where NSDV appeared to target monocytes and/or macrophages.

  4. Identifying Qualitative Factors Affecting the Production and Distribution of Information and Knowledge in Science and Technology Parks of Iran

    Directory of Open Access Journals (Sweden)

    Ali Haji Shamsaei

    2017-06-01

    Full Text Available This study was conducted in order to identity Qualitative factors affecting the production and distribution of information and knowledge in science and technology parks of Iran. The research was Applied Research in which, qualitative method was carried out. The population of the study was included of 10 managers of Knowledge-based Companies. The data was collected from the population using semi-structured and in-depth interviews. For data analysis, content analysis was used. Results of the qualitative factors affecting the production and distribution of information and knowledge in science and technology parks of Iran, led to extraction of 39 components which were classified in four categories: I Foreign and domestic policy, II Financial and economic support, III Infrastructure barriers and IV Cultural barriers. Results howed that overcoming the political, financial and economic, infrastructural and cultural barriers has undeniable impact on production and distribution of information and knowledge.

  5. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. P V Rajesh. Articles written in Journal of Earth System Science. Volume 125 Issue 4 June 2016 pp 691-708. Sensitivity of tropical cyclone characteristics to the radial distribution of sea surface temperature · Deepika Rai S Pattnaik P V Rajesh · More Details Abstract Fulltext ...

  6. Detailing magnetic field strength dependence and segmental artifact distribution of myocardial effective transverse relaxation rate at 1.5, 3.0, and 7.0 T.

    Science.gov (United States)

    Meloni, Antonella; Hezel, Fabian; Positano, Vincenzo; Keilberg, Petra; Pepe, Alessia; Lombardi, Massimo; Niendorf, Thoralf

    2014-06-01

    Realizing the challenges and opportunities of effective transverse relaxation rate (R2 *) mapping at high and ultrahigh fields, this work examines magnetic field strength (B0 ) dependence and segmental artifact distribution of myocardial R2 * at 1.5, 3.0, and 7.0 T. Healthy subjects were considered. Three short-axis views of the left ventricle were examined. R2 * was calculated for 16 standard myocardial segments. Global and mid-septum R2 * were determined. For each segment, an artifactual factor was estimated as the deviation of segmental from global R2 * value. The global artifactual factor was significantly enlarged at 7.0 T versus 1.5 T (P = 0.010) but not versus 3.0 T. At 7.0 T, the most severe susceptibility artifacts were detected in the inferior lateral wall. The mid-septum showed minor artifactual factors at 7.0 T, similar to those at 1.5 and 3.0 T. Mean R2 * increased linearly with the field strength, with larger changes for global heart R2 * values. At 7.0 T, segmental heart R2 * analysis is challenging due to macroscopic susceptibility artifacts induced by the heart-lung interface and the posterior vein. Myocardial R2 * depends linearly on the magnetic field strength. The increased R2 * sensitivity at 7.0 T might offer means for susceptibility-weighted and oxygenation level-dependent MR imaging of the myocardium. Copyright © 2013 Wiley Periodicals, Inc.

  7. 2000 Survey of Distributed Spacecraft Technologies and Architectures for NASA's Earth Science Enterprise in the 2010-2025 Timeframe

    Science.gov (United States)

    Ticker, Ronald L.; Azzolini, John D.

    2000-01-01

    The study investigates NASA's Earth Science Enterprise needs for Distributed Spacecraft Technologies in the 2010-2025 timeframe. In particular, the study focused on the Earth Science Vision Initiative and extrapolation of the measurement architecture from the 2002-2010 time period. Earth Science Enterprise documents were reviewed. Interviews were conducted with a number of Earth scientists and technologists. fundamental principles of formation flying were also explored. The results led to the development of four notional distribution spacecraft architectures. These four notional architectures (global constellations, virtual platforms, precision formation flying, and sensorwebs) are presented. They broadly and generically cover the distributed spacecraft architectures needed by Earth Science in the post-2010 era. These notional architectures are used to identify technology needs and drivers. Technology needs are subsequently grouped into five categories: Systems and architecture development tools; Miniaturization, production, manufacture, test and calibration; Data networks and information management; Orbit control, planning and operations; and Launch and deployment. The current state of the art and expected developments are explored. High-value technology areas are identified for possible future funding emphasis.

  8. Open Science Grid (OSG) Ticket Synchronization: Keeping Your Home Field Advantage In A Distributed Environment

    International Nuclear Information System (INIS)

    Gross, Kyle; Hayashi, Soichi; Teige, Scott; Quick, Robert

    2012-01-01

    Large distributed computing collaborations, such as the Worldwide LHC Computing Grid (WLCG), face many issues when it comes to providing a working grid environment for their users. One of these is exchanging tickets between various ticketing systems in use by grid collaborations. Ticket systems such as Footprints, RT, Remedy, and ServiceNow all have different schema that must be addressed in order to provide a reliable exchange of information between support entities and users in different grid environments. To combat this problem, OSG Operations has created a ticket synchronization interface called GOC-TX that relies on web services instead of error-prone email parsing methods of the past. Synchronizing tickets between different ticketing systems allows any user or support entity to work on a ticket in their home environment, thus providing a familiar and comfortable place to provide updates without having to learn another ticketing system. The interface is built in a way that it is generic enough that it can be customized for nearly any ticketing system with a web-service interface with only minor changes. This allows us to be flexible and rapidly bring new ticket synchronization online. Synchronization can be triggered by different methods including mail, web services interface, and active messaging. GOC-TX currently interfaces with Global Grid User Support (GGUS) for WLCG, Remedy at Brookhaven National Lab (BNL), and Request Tracker (RT) at the Virtual Data Toolkit (VDT). Work is progressing on the Fermi National Accelerator Laboratory (FNAL) ServiceNow synchronization. This paper will explain the problems faced by OSG and how they led OSG to create and implement this ticket synchronization system along with the technical details that allow synchronization to be preformed at a production level.

  9. Open Science Grid (OSG) Ticket Synchronization: Keeping Your Home Field Advantage In A Distributed Environment

    Science.gov (United States)

    Gross, Kyle; Hayashi, Soichi; Teige, Scott; Quick, Robert

    2012-12-01

    Large distributed computing collaborations, such as the Worldwide LHC Computing Grid (WLCG), face many issues when it comes to providing a working grid environment for their users. One of these is exchanging tickets between various ticketing systems in use by grid collaborations. Ticket systems such as Footprints, RT, Remedy, and ServiceNow all have different schema that must be addressed in order to provide a reliable exchange of information between support entities and users in different grid environments. To combat this problem, OSG Operations has created a ticket synchronization interface called GOC-TX that relies on web services instead of error-prone email parsing methods of the past. Synchronizing tickets between different ticketing systems allows any user or support entity to work on a ticket in their home environment, thus providing a familiar and comfortable place to provide updates without having to learn another ticketing system. The interface is built in a way that it is generic enough that it can be customized for nearly any ticketing system with a web-service interface with only minor changes. This allows us to be flexible and rapidly bring new ticket synchronization online. Synchronization can be triggered by different methods including mail, web services interface, and active messaging. GOC-TX currently interfaces with Global Grid User Support (GGUS) for WLCG, Remedy at Brookhaven National Lab (BNL), and Request Tracker (RT) at the Virtual Data Toolkit (VDT). Work is progressing on the Fermi National Accelerator Laboratory (FNAL) ServiceNow synchronization. This paper will explain the problems faced by OSG and how they led OSG to create and implement this ticket synchronization system along with the technical details that allow synchronization to be preformed at a production level.

  10. Spatial and temporal distributions of surface mass balance between Concordia and Vostok stations, Antarctica, from combined radar and ice core data: first results and detailed error analysis

    Directory of Open Access Journals (Sweden)

    E. Le Meur

    2018-05-01

    Full Text Available Results from ground-penetrating radar (GPR measurements and shallow ice cores carried out during a scientific traverse between Dome Concordia (DC and Vostok stations are presented in order to infer both spatial and temporal characteristics of snow accumulation over the East Antarctic Plateau. Spatially continuous accumulation rates along the traverse are computed from the identification of three equally spaced radar reflections spanning about the last 600 years. Accurate dating of these internal reflection horizons (IRHs is obtained from a depth–age relationship derived from volcanic horizons and bomb testing fallouts on a DC ice core and shows a very good consistency when tested against extra ice cores drilled along the radar profile. Accumulation rates are then inferred by accounting for density profiles down to each IRH. For the latter purpose, a careful error analysis showed that using a single and more accurate density profile along a DC core provided more reliable results than trying to include the potential spatial variability in density from extra (but less accurate ice cores distributed along the profile. The most striking feature is an accumulation pattern that remains constant through time with persistent gradients such as a marked decrease from 26 mm w.e. yr−1 at DC to 20 mm w.e. yr−1 at the south-west end of the profile over the last 234 years on average (with a similar decrease from 25 to 19 mm w.e. yr−1 over the last 592 years. As for the time dependency, despite an overall consistency with similar measurements carried out along the main East Antarctic divides, interpreting possible trends remains difficult. Indeed, error bars in our measurements are still too large to unambiguously infer an apparent time increase in accumulation rate. For the proposed absolute values, maximum margins of error are in the range 4 mm w.e. yr−1 (last 234 years to 2 mm w.e. yr−1 (last 592 years, a

  11. The NPOESS Preparatory Project Science Data Segment (SDS) Data Depository and Distribution Element (SD3E) System Architecture

    Science.gov (United States)

    Ho, Evelyn L.; Schweiss, Robert J.

    2008-01-01

    The National Polar-orbiting Operational Environmental Satellite System (NPOESS) Preparatory Project (NPP) Science Data Segment (SDS) will make daily data requests for approximately six terabytes of NPP science products for each of its six environmental assessment elements from the operational data providers. As a result, issues associated with duplicate data requests, data transfers of large volumes of diverse products, and data transfer failures raised concerns with respect to the network traffic and bandwidth consumption. The NPP SDS Data Depository and Distribution Element (SD3E) was developed to provide a mechanism for efficient data exchange, alleviate duplicate network traffic, and reduce operational costs.

  12. Foundations of data-intensive science: Technology and practice for high throughput, widely distributed, data management and analysis systems

    Science.gov (United States)

    Johnston, William; Ernst, M.; Dart, E.; Tierney, B.

    2014-04-01

    Today's large-scale science projects involve world-wide collaborations depend on moving massive amounts of data from an instrument to potentially thousands of computing and storage systems at hundreds of collaborating institutions to accomplish their science. This is true for ATLAS and CMS at the LHC, and it is true for the climate sciences, Belle-II at the KEK collider, genome sciences, the SKA radio telescope, and ITER, the international fusion energy experiment. DOE's Office of Science has been collecting science discipline and instrument requirements for network based data management and analysis for more than a decade. As a result of this certain key issues are seen across essentially all science disciplines that rely on the network for significant data transfer, even if the data quantities are modest compared to projects like the LHC experiments. These issues are what this talk will address; to wit: 1. Optical signal transport advances enabling 100 Gb/s circuits that span the globe on optical fiber with each carrying 100 such channels; 2. Network router and switch requirements to support high-speed international data transfer; 3. Data transport (TCP is still the norm) requirements to support high-speed international data transfer (e.g. error-free transmission); 4. Network monitoring and testing techniques and infrastructure to maintain the required error-free operation of the many R&E networks involved in international collaborations; 5. Operating system evolution to support very high-speed network I/O; 6. New network architectures and services in the LAN (campus) and WAN networks to support data-intensive science; 7. Data movement and management techniques and software that can maximize the throughput on the network connections between distributed data handling systems, and; 8. New approaches to widely distributed workflow systems that can support the data movement and analysis required by the science. All of these areas must be addressed to enable large

  13. Science Smiles

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education. Science Smiles. Articles in Resonance – Journal of Science Education. Volume 1 Issue 4 April 1996 pp 4-4 Science Smiles. Chief Editor's column / Science Smiles · R K Laxman · More Details Fulltext PDF. Volume 1 Issue 5 May 1996 pp 3-3 Science Smiles.

  14. Managing globally distributed expertise with new competence management solutions a big-science collaboration as a pilot case.

    CERN Document Server

    Ferguson, J; Livan, M; Nordberg, M; Salmia, T; Vuola, O

    2003-01-01

    In today's global organisations and networks, a critical factor for effective innovation and project execution is appropriate competence and skills management. The challenges include selection of strategic competences, competence development, and leveraging the competences and skills to drive innovation and collaboration for shared goals. This paper presents a new industrial web-enabled competence management and networking solution and its implementation and piloting in a complex big-science environment of globally distributed competences.

  15. Collaborative Technologies for Distributed Science - Fusion Energy and High-Energy Physics

    International Nuclear Information System (INIS)

    Schissel, D.P.; Abla, G.; Burruss, J.R.; Gottschalk, E.

    2006-01-01

    The large-scale experiments, needed for fusion energy sciences (FES) and high-energy physics (HEP) research, are staffed by correspondingly large, geographically dispersed teams. At the same time, theoretical work has come to rely increasingly on complex numerical simulations developed by distributed teams of scientists and applied mathematicians and run on massively parallel computers. These trends will only accelerate. Operation of the most powerful accelerator ever built, the Large Hadron Collider at CERN, will begin next year and will dominate experimental high-energy physics. The fusion program will be increasingly oriented toward the ITER where even now, a decade before operation begins, a large portion of national programs efforts are organized around coordinated efforts to develop promising operational scenarios. While both FES and HEP have a significant track record for developing and exploiting remote collaborations, with such large investments at stake, there is a clear need to improve the integration and reach of the tools available. These challenges are being addressed by the creation and deployment of advanced collaborative software and hardware tools. Grid computing, to provide secure on-demand access to data analysis capabilities and related functions, is being deployed as an alternative to traditional resource sharing among institutions. Utilizing public-key based security that is recognized worldwide, numerous analysis and simulation codes are securely available worldwide in a service-oriented approach. Traditional audio teleconferencing is being augmented by more advanced capabilities including videoconferencing, instant messaging, presentation sharing, applications sharing, large display walls, and the virtual-presence capabilities of Access Grid and VRVS. With these advances, remote real-time experimental participation has begun as well as remote seminars, working meetings, and design review meetings. Work continues to focus on reducing the

  16. Role of technical reports as a means of scientific information distribution in the field of nuclear science and technology

    International Nuclear Information System (INIS)

    Ishikawa, Masashi

    2013-06-01

    Japan Atomic Energy Agency (JAEA) has published more than twenty-thousand technical reports on the internet to provide detailed results of research and development activities. In JAEA technical reports, detailed results, experimental data, findings etc. are recorded. Technical report is effective for communication among scientists and engineers for research development in a big science like nuclear research. The number of downloads of JAEA technical reports is over 4.7 million per a year. Technical reports have many advantages for carrying research results of big projects than journal articles. It is also useful for knowledge management to transfer research results and achievements to the following generation. To improve JAEA technical reports to meet the needs of scientists and engineers and assisting the knowledge management is proposed. (author)

  17. Distribution

    Science.gov (United States)

    John R. Jones

    1985-01-01

    Quaking aspen is the most widely distributed native North American tree species (Little 1971, Sargent 1890). It grows in a great diversity of regions, environments, and communities (Harshberger 1911). Only one deciduous tree species in the world, the closely related Eurasian aspen (Populus tremula), has a wider range (Weigle and Frothingham 1911)....

  18. A distributed model: redefining a robust research subject advocacy program at the Harvard Clinical and Translational Science Center.

    Science.gov (United States)

    Winkler, Sabune J; Cagliero, Enrico; Witte, Elizabeth; Bierer, Barbara E

    2014-08-01

    The Harvard Clinical and Translational Science Center ("Harvard Catalyst") Research Subject Advocacy (RSA) Program has reengineered subject advocacy, distributing the delivery of advocacy functions through a multi-institutional, central platform rather than vesting these roles and responsibilities in a single individual functioning as a subject advocate. The program is process-oriented and output-driven, drawing on the strengths of participating institutions to engage local stakeholders both in the protection of research subjects and in advocacy for subjects' rights. The program engages stakeholder communities in the collaborative development and distributed delivery of accessible and applicable educational programming and resources. The Harvard Catalyst RSA Program identifies, develops, and supports the sharing and distribution of expertise, education, and resources for the benefit of all institutions, with a particular focus on the frontline: research subjects, researchers, research coordinators, and research nurses. © 2014 Wiley Periodicals, Inc.

  19. The NPOESS Preparatory Project (NPP) Science Data Segment (SDS) Data Depository and Distribution Element (SD3E) System Architecture

    Science.gov (United States)

    Ho, Evelyn L.; Schweiss, Robert J.

    2008-01-01

    The National Polar-orbiting Operational Environmental Satellite System (NPOESS), the U.S. Government's future low-Earth orbiting satellite system, will monitor global weather and environmental conditions. Serving as a risk reduction for NPOESS, the NPOESS Preparatory Project (NPP) will provide remotely sensed atmospheric, land, ocean, ozone, and sounder data that will serve the meteorological and global climate change scientific communities. The National Aeronautics and Space Administration (NASA) NPP Science Data Segment's (SDS) primary role is to independently assess the quality of the NPP science and environmental data records for their ability to support climate research. The SDS is composed of nine elements; an input element that receives data from the operational agencies and acts as a buffer, a calibration analysis element, five elements devoted to measurement based quality assessment, an element used to test algorithmic improvements, and an element that provides overall science direction. Each element requires a set of sensor specific science data products for their evaluation. There are four NPP sensors that will be flown on the NPP observatory. They are the Visible Infrared Imagining Radiometer Suite (VIIRS), the Advanced Technology Microwave Sounder (ATMS), the Cross-Track Infrared Sounder (CrIS), and the Ozone Mapper/Profiler Suite (OMPS). It is estimated that these four sensors combined will make daily data requests for approximately six terabytes of NPP science products from the operational data providers. As a result, issues associated with duplicate data requests, data transfers of large volumes of diverse products, and data transfer failures raised concerns with respect to the network traffic and bandwidth consumption. Therefore, a central data broker system for receiving and buffering data requests and data products for the SDS was developed. The data element for this system is called the SDS Data Depository and Distribution Element (SD3E). It

  20. Making Sense of Conflict in Distributed Teams: A Design Science Approach

    Science.gov (United States)

    Zhang, Guangxuan

    2016-01-01

    Conflict is a substantial, pervasive activity in team collaboration. It may arise because of differences in goals, differences in ways of working, or interpersonal dissonance. The specific focus for this research is the conflict in distributed teams. As opposed to traditional teams, participants of distributed teams are geographically dispersed…

  1. Indigenous knowledge and science unite to reveal spatial and temporal dimensions of distributional shift in wildlife of conservation concern.

    Directory of Open Access Journals (Sweden)

    Christina N Service

    Full Text Available Range shifts among wildlife can occur rapidly and impose cascading ecological, economic, and cultural consequences. However, occurrence data used to define distributional limits derived from scientific approaches are often outdated for wide ranging and elusive species, especially in remote environments. Accordingly, our aim was to amalgamate indigenous and western scientific evidence of grizzly bear (Ursus arctos horribilis records and detail a potential range shift on the central coast of British Columbia, Canada. In addition, we test the hypothesis that data from each method yield similar results, as well as illustrate the complementary nature of this coupled approach. Combining information from traditional and local ecological knowledge (TEK/LEK interviews with remote camera, genetic, and hunting data revealed that grizzly bears are now present on 10 islands outside their current management boundary. LEK interview data suggested this expansion has accelerated over the last 10 years. Both approaches provided complementary details and primarily affirmed one another: all islands with scientific evidence for occupation had consistent TEK/LEK evidence. Moreover, our complementary methods approach enabled a more spatially and temporally detailed account than either method would have afforded alone. In many cases, knowledge already held by local indigenous people could provide timely and inexpensive data about changing ecological processes. However, verifying the accuracy of scientific and experiential knowledge by pairing sources at the same spatial scale allows for increased confidence and detail. A similarly coupled approach may be useful across taxa in many regions.

  2. Distributed Geant4 simulation in medical and space science applications using DIANE framework and the GRID

    CERN Document Server

    Moscicki, J T; Mantero, A; Pia, M G

    2003-01-01

    Distributed computing is one of the most important trends in IT which has recently gained significance for large-scale scientific applications. Distributed analysis environment (DIANE) is a R&D study, focusing on semiinteractive parallel and remote data analysis and simulation, which has been conducted at CERN. DIANE provides necessary software infrastructure for parallel scientific applications in the master-worker model. Advanced error recovery policies, automatic book-keeping of distributed jobs and on-line monitoring and control tools are provided. DIANE makes a transparent use of a number of different middleware implementations such as load balancing service (LSF, PBS, GRID Resource Broker, Condor) and security service (GSI, Kerberos, openssh). A number of distributed Geant 4 simulations have been deployed and tested, ranging from interactive radiotherapy treatment planning using dedicated clusters in hospitals, to globally-distributed simulations of astrophysics experiments using the European data g...

  3. Wooden houses in detail. Holzhaeuser im Detail

    Energy Technology Data Exchange (ETDEWEB)

    Ruske, W. (ed.)

    1986-01-01

    Under the serial title 'Planning and construction of wooden houses', WEKA will publish a number of books of which this is the first. Details of design and construction are presented, e.g.: Details of modern one-family houses; Fundamentals of design and hints for planning of wooden houses and compact wooden structures; Constructional ecology, wood protection, thermal insulation, sound insulation; Modular systems for domestic buildings; The 'bookshelf-type' house at the Berlin International Construction Exhibition (IBA); Experience with do-it-yourself systems. With 439 figs.

  4. From an Idea to a Working Robot Prototype: Distributing Knowledge of Robotics through Science Museum Workshops

    Science.gov (United States)

    Polishuk, Alexander; Verner, Igor; Mir, Ronen

    This paper presents our experience of teaching robotics to primary and middle school students at the Gelfand Center for Model Building, Robotics & Communication which is part of the Israel National Museum of Science, Technology and Space (MadaTech). The educational study examines the value and characteristics of students’ teamwork in the museum robotics workshops.

  5. Stochastic processes in the social sciences: Markets, prices and wealth distributions

    Science.gov (United States)

    Romero, Natalia E.

    The present work uses statistical mechanics tools to investigate the dynamics of markets, prices, trades and wealth distribution. We studied the evolution of market dynamics in different stages of historical development by analyzing commodity prices from two distinct periods ancient Babylon, and medieval and early modern England. We find that the first-digit distributions of both Babylon and England commodity prices follow Benfords law, indicating that the data represent empirical observations typically arising from a free market. Further, we find that the normalized prices of both Babylon and England agricultural commodities are characterized by stretched exponential distributions, and exhibit persistent correlations of a power law type over long periods of up to several centuries, in contrast to contemporary markets. Our findings suggest that similar market interactions may underlie the dynamics of ancient agricultural commodity prices, and that these interactions may remain stable across centuries. To further investigate the dynamics of markets we present the analogy between transfers of money between individuals and the transfer of energy through particle collisions by means of the kinetic theory of gases. We introduce a theoretical framework of how the micro rules of trading lead to the emergence of income and wealth distribution. Particularly, we study the effects of different types of distribution of savings/investments among individuals in a society and different welfare/subsidies redistribution policies. Results show that while considering savings propensities the models approach empirical distributions of wealth quite well the effect of redistribution better captures specific features of the distributions which earlier models failed to do; moreover the models still preserve the exponential decay observed in empirical income distributions reported by tax data and surveys.

  6. High-power random distributed feedback fiber laser: From science to application

    Energy Technology Data Exchange (ETDEWEB)

    Du, Xueyuan [College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073 (China); Naval Academy of Armament, Beijing 100161 (China); Zhang, Hanwei; Xiao, Hu; Ma, Pengfei; Wang, Xiaolin; Zhou, Pu; Liu, Zejin [College of Optoelectronic Science and Engineering, National University of Defense Technology, Changsha 410073 (China)

    2016-10-15

    A fiber laser based on random distributed feedback has attracted increasing attention in recent years, as it has become an important photonic device and has found wide applications in fiber communications or sensing. In this article, recent advances in high-power random distributed feedback fiber laser are reviewed, including the theoretical analyses, experimental approaches, discussion on the practical applications and outlook. It is found that a random distributed feedback fiber laser can not only act as an information photonics device, but also has the feasibility for high-efficiency/high-power generation, which makes it competitive with conventional high-power laser sources. In addition, high-power random distributed feedback fiber laser has been successfully applied for midinfrared lasing, frequency doubling to the visible and high-quality imaging. It is believed that the high-power random distributed feedback fiber laser could become a promising light source with simple and economic configurations. (copyright 2016 by WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim)

  7. Species distribution models for a migratory bird based on citizen science and satellite tracking data

    Directory of Open Access Journals (Sweden)

    Christopher L. Coxen

    2017-07-01

    Full Text Available Species distribution models can provide critical baseline distribution information for the conservation of poorly understood species. Here, we compared the performance of band-tailed pigeon (Patagioenas fasciata species distribution models created using Maxent and derived from two separate presence-only occurrence data sources in New Mexico: 1 satellite tracked birds and 2 observations reported in eBird basic data set. Both models had good accuracy (test AUC > 0.8 and True Skill Statistic > 0.4, and high overlap between suitability scores (I statistic 0.786 and suitable habitat patches (relative rank 0.639. Our results suggest that, at the state-wide level, eBird occurrence data can effectively model similar species distributions as satellite tracking data. Climate change models for the band-tailed pigeon predict a 35% loss in area of suitable climate by 2070 if CO2 emissions drop to 1990 levels by 2100, and a 45% loss by 2070 if we continue current CO2 emission levels through the end of the century. These numbers may be conservative given the predicted increase in drought, wildfire, and forest pest impacts to the coniferous forests the species inhabits in New Mexico. The northern portion of the species’ range in New Mexico is predicted to be the most viable through time.

  8. VLab: A Science Gateway for Distributed First Principles Calculations in Heterogeneous High Performance Computing Systems

    Science.gov (United States)

    da Silveira, Pedro Rodrigo Castro

    2014-01-01

    This thesis describes the development and deployment of a cyberinfrastructure for distributed high-throughput computations of materials properties at high pressures and/or temperatures--the Virtual Laboratory for Earth and Planetary Materials--VLab. VLab was developed to leverage the aggregated computational power of grid systems to solve…

  9. Heterogeneous distribution of Zn stable isotopes in mice and applications to medical sciences

    Science.gov (United States)

    Moynier, F.; Fujii, T.; Shaw, A.; Le Borgne, M.

    2013-12-01

    Zinc is required for the function of more than 300 enzymes involved in many metabolic pathways, and is a vital micronutrient for living organisms. To investigate if Zn isotopes could be used to better understand metal homeostasis, as well as a biomarker for diseases, we assessed the distribution of natural Zn isotopes in various mouse tissues. We found that, with respect to Zn isotopes, most mouse organs are isotopically distinct and that the total range of variation within one mouse encompasses the variations observed in the Earth's crust. Therefore, biological activity must have a major impact on the distribution of Zn isotopes in inorganic materials. The most striking aspect of the data is that red blood cells and bones are enriched by ~0.5 per mil in 66Zn relative to 64Zn when compared to serum, and up to ~1 per mil when compared to the brain and liver. This fractionation is well explained by the equilibrium distribution of isotopes between different bonding environments of Zn in different organs. Differences in gender and genetic background did not appear to affect the isotopic distribution of Zn. Together, these results suggest that potential use of Zn isotopes as a tracer for dietary Zn, and for detecting disturbances in Zn metabolism due to pathological conditions.

  10. Species distribution models for a migratory bird based on citizen science and satellite tracking data

    Science.gov (United States)

    Coxen, Christopher L.; Frey, Jennifer K.; Carleton, Scott A.; Collins, Daniel P.

    2017-01-01

    Species distribution models can provide critical baseline distribution information for the conservation of poorly understood species. Here, we compared the performance of band-tailed pigeon (Patagioenas fasciata) species distribution models created using Maxent and derived from two separate presence-only occurrence data sources in New Mexico: 1) satellite tracked birds and 2) observations reported in eBird basic data set. Both models had good accuracy (test AUC > 0.8 and True Skill Statistic > 0.4), and high overlap between suitability scores (I statistic 0.786) and suitable habitat patches (relative rank 0.639). Our results suggest that, at the state-wide level, eBird occurrence data can effectively model similar species distributions as satellite tracking data. Climate change models for the band-tailed pigeon predict a 35% loss in area of suitable climate by 2070 if CO2 emissions drop to 1990 levels by 2100, and a 45% loss by 2070 if we continue current CO2 emission levels through the end of the century. These numbers may be conservative given the predicted increase in drought, wildfire, and forest pest impacts to the coniferous forests the species inhabits in New Mexico. The northern portion of the species’ range in New Mexico is predicted to be the most viable through time.

  11. The Citizen Science Project 'Mueckenatlas' Helps Monitor the Distribution and Spread of Invasive Mosquito Species in Germany.

    Science.gov (United States)

    Walther, Doreen; Kampen, Helge

    2017-11-07

    The citizen science project 'Mueckenatlas' (mosquito atlas) was implemented in early 2012 to improve mosquito surveillance in Germany. Citizens are asked to support the spatiotemporal mapping of culicids by submitting mosquito specimens collected in their private surroundings. The Mueckenatlas has developed into an efficient tool for data collection with close to 30,000 mosquitoes submitted by the end of 2015. While the vast majority of submissions included native mosquito species, a small percentage represented invasive species. The discovery of Aedes albopictus (Skuse) (Diptera: Culicidae), Aedes japonicus japonicus (Theobald) (Diptera: Culicidae) and Aedes koreicus (Edwards) (Diptera: Culicidae) specimens via the Mueckenatlas project prompted targeted monitoring activities in the field which produced additional information on the distribution of these species in Germany. Among others, Mueckenatlas submissions led to the detection of three populations of Ae. j. japonicus in West, North and Southeast Germany in 2012, 2013, and 2015, respectively. As demonstrated by on-site monitoring, the origins of Ae. j. japonicus specimens submitted to the Mueckenatlas mirror the distribution areas of the four presently known German populations as found by active field sampling (the fourth population already reported prior to the launch of the Mueckenatlas). The data suggest that a citizen science project such as the Mueckenatlas may aid in detecting changes in the mosquito fauna and can therefore be used to guide the design of more targeted field surveillance activities. © The Authors 2017. Published by Oxford University Press on behalf of Entomological Society of America.

  12. Lowering the barriers for accessing distributed geospatial big data to advance spatial data science: the PolarHub solution

    Science.gov (United States)

    Li, W.

    2017-12-01

    Data is the crux of science. The widespread availability of big data today is of particular importance for fostering new forms of geospatial innovation. This paper reports a state-of-the-art solution that addresses a key cyberinfrastructure research problem—providing ready access to big, distributed geospatial data resources on the Web. We first formulate this data-access problem and introduce its indispensable elements, including identifying the cyber-location, space and time coverage, theme, and quality of the dataset. We then propose strategies to tackle each data-access issue and make the data more discoverable and usable for geospatial data users and decision makers. Among these strategies is large-scale web crawling as a key technique to support automatic collection of online geospatial data that are highly distributed, intrinsically heterogeneous, and known to be dynamic. To better understand the content and scientific meanings of the data, methods including space-time filtering, ontology-based thematic classification, and service quality evaluation are incorporated. To serve a broad scientific user community, these techniques are integrated into an operational data crawling system, PolarHub, which is also an important cyberinfrastructure building block to support effective data discovery. A series of experiments were conducted to demonstrate the outstanding performance of the PolarHub system. We expect this work to contribute significantly in building the theoretical and methodological foundation for data-driven geography and the emerging spatial data science.

  13. Species distribution models and impact factor growth in environmental journals: methodological fashion or the attraction of global change science.

    Science.gov (United States)

    Brotons, Lluís

    2014-01-01

    In this work, I evaluate the impact of species distribution models (SDMs) on the current status of environmental and ecological journals by asking the question to which degree development of SDMs in the literature is related to recent changes in the impact factors of ecological journals. The hypothesis evaluated states that research fronts are likely to attract research attention and potentially drive citation patterns, with journals concentrating papers related to the research front receiving more attention and benefiting from faster increases in their impact on the ecological literature. My results indicate a positive relationship between the number of SDM related articles published in a journal and its impact factor (IF) growth during the period 2000-09. However, the percentage of SDM related papers in a journal was strongly and positively associated with the percentage of papers on climate change and statistical issues. The results support the hypothesis that global change science has been critical in the development of SDMs and that interest in climate change research in particular, rather than the usage of SDM per se, appears as an important factor behind journal IF increases in ecology and environmental sciences. Finally, our results on SDM application in global change science support the view that scientific interest rather than methodological fashion appears to be the major driver of research attraction in the scientific literature.

  14. Collaborative technologies for distributed science: fusion energy and high-energy physics

    International Nuclear Information System (INIS)

    Schissel, D P; Gottschalk, E E; Greenwald, M J; McCune, D

    2006-01-01

    This paper outlines a strategy to significantly enhance scientific collaborations in both Fusion Energy Sciences and in High-Energy Physics through the development and deployment of new tools and technologies into working environments. This strategy is divided into two main elements, collaborative workspaces and secure computational services. Experimental and theory/computational programs will greatly benefit through the provision of a flexible, standards-based collaboration space, which includes advanced tools for ad hoc and structured communications, shared applications and displays, enhanced interactivity for remote data access applications, high performance computational services and an improved security environment. The technologies developed should be prototyped and tested on the current generation of experiments and numerical simulation projects. At the same time, such work should maintain a strong focus on the needs of the next generation of mega-projects, ITER and the ILC. Such an effort needs to leverage existing computer science technology and take full advantage of commercial software wherever possible. This paper compares the requirements of FES and HEP, discuss today's solutions, examine areas where more functionality is required, and discuss those areas with sufficient overlap in requirements that joint research into collaborative technologies will increase the benefit to both

  15. Distributing learning over time: the spacing effect in children's acquisition and generalization of science concepts.

    Science.gov (United States)

    Vlach, Haley A; Sandhofer, Catherine M

    2012-01-01

    The spacing effect describes the robust finding that long-term learning is promoted when learning events are spaced out in time rather than presented in immediate succession. Studies of the spacing effect have focused on memory processes rather than for other types of learning, such as the acquisition and generalization of new concepts. In this study, early elementary school children (5- to 7-year-olds; N = 36) were presented with science lessons on 1 of 3 schedules: massed, clumped, and spaced. The results revealed that spacing lessons out in time resulted in higher generalization performance for both simple and complex concepts. Spaced learning schedules promote several types of learning, strengthening the implications of the spacing effect for educational practices and curriculum. © 2012 The Authors. Child Development © 2012 Society for Research in Child Development, Inc.

  16. Adhesion science

    CERN Document Server

    Comyn, John

    1997-01-01

    The use of adhesives is widespread and growing, and there are few modern artefacts, from the simple cereal packet, to the jumbo jet, that are without this means of joining. Adhesion Science provides an illuminating account of the science underlying the use of adhesives, a branch of chemical technology which is fundamental to the science of coatings and composite materials and to the performance of all types of bonded structures. This book guides the reader through the essential basic polymer science, and the chemistry of adhesives in use at present. It discusses surface preparation for adhesive bonding, and the use of primers and coupling agents. There is a detailed chapter on contact angles and what can be predicted from them. A simple guide on stress distribution joints and how this relates to testing is included. It also examines the interaction of adhesives and the environment, including an analysis of the resistance of joints to water, oxygen and ultra-violet light. Adhesion Science provides a comprehens...

  17. science

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

    David Spurgeon

    Give us the tools: science and technology for development. Ottawa, ...... altered technical rela- tionships among the factors used in the process of production, and the en- .... to ourselves only the rights of audit and periodic substantive review." If a ...... and destroying scarce water reserves, recreational areas and a generally.

  18. Determining global distribution of microplastics by combining citizen science and in-depth case studies.

    Science.gov (United States)

    Bosker, Thijs; Behrens, Paul; Vijver, Martina G

    2017-05-01

    Microplastics (microplastics levels. The difference in extraction procedures can especially impact study outcomes, making it difficult, and sometimes impossible, to directly compare results among studies. To address this, we recently developed a standard operating procedure (SOP) for sampling microplastics on beaches. We are now assessing regional and global variations in beach microplastics using this standardized approach for 2 research projects. Our first project involves the general public through citizen science. Participants collect sand samples from beaches using a basic protocol, and we subsequently extract and quantify microplastics in a central laboratory using the SOP. Presently, we have 80+ samples from around the world and expect this number to further increase. Second, we are conducting 2, in-depth, regional case studies: one along the Dutch coast (close to major rivers, a known source of microplastic input into marine systems), and the other on the Lesser Antilles in the Caribbean (in the proximity to a hotspot of plastics in the North Atlantic Ocean). In both projects, we use our new SOP to determine regional variation in microplastics, including differences in physicochemical characteristics such as size, shape, and polymer type. Our research will provide, for the first time, a systematic comparison on levels of microplastics on beaches at both a regional and global scale. Integr Environ Assess Manag 2017;13:536-541. © 2017 SETAC. © 2017 SETAC.

  19. National Space Science Data Center data archive and distribution service (NDADS) automated retrieval mail system user's guide

    Science.gov (United States)

    Perry, Charleen M.; Vansteenberg, Michael E.

    1992-01-01

    The National Space Science Data Center (NSSDC) has developed an automated data retrieval request service utilizing our Data Archive and Distribution Service (NDADS) computer system. NDADS currently has selected project data written to optical disk platters with the disks residing in a robotic 'jukebox' near-line environment. This allows for rapid and automated access to the data with no staff intervention required. There are also automated help information and user services available that can be accessed. The request system permits an average-size data request to be completed within minutes of the request being sent to NSSDC. A mail message, in the format described in this document, retrieves the data and can send it to a remote site. Also listed in this document are the data currently available.

  20. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    DD should be arranged in favour of "Indian Academy of Sciences" payable at Bengaluru. For details, contact: Springer Distribution Centre GmbH. Customer Service Journals Haberstrasse 7, D-69126 Heidelberg Germany. Email: subscriptions@springer.com. For the Americas (North, South, Central and the Caribbean):

  1. Enabling data science in the Gaia mission archive: The present-day mass function and age distribution

    Science.gov (United States)

    Tapiador, D.; Berihuete, A.; Sarro, L. M.; Julbe, F.; Huedo, E.

    2017-04-01

    Recent advances in large scale computing architectures enable new opportunities to extract value out of the vast amounts of data being currently generated. However, their successful adoption is not straightforward in areas like science, as there are still some barriers that need to be overcome. Those comprise (i) the existence of legacy code that needs to be ported, (ii) the lack of high-level and use case specific frameworks that facilitate a smoother transition, or (iii) the scarcity of profiles with the balanced skill sets between the technological and scientific domains. The European Space Agency's Gaia mission will create the largest and most precise three dimensional chart of our galaxy (the Milky Way), providing unprecedented position, parallax and proper motion measurements for about one billion stars. The successful exploitation of this data archive will depend on the ability to offer the proper infrastructure upon which scientists will be able to do exploration and modelling with this huge data set. In this paper, we present and contextualize these challenges by building two probabilistic models using Hierarchical Bayesian Modelling. These models represent a key challenge in astronomy and are of paramount importance for the Gaia mission itself. Moreover, we approach the implementation by leveraging a generic distributed processing engine through an existing software package for Markov chain Monte Carlo sampling. The two computationally intensive models are then validated with simulated data in different scenarios under specific restrictions, and their performance is assessed to prove their scalability. We argue that this approach will not only serve for the models in hand but also for exemplifying how to address similar problems in science, which may need to both scale to bigger data sets and reuse existing software as much as possible. This will lead to shorter time to science in massive data archives.

  2. Detailed Soils 24K

    Data.gov (United States)

    Kansas Data Access and Support Center — This data set is a digital soil survey and is the most detailed level of soil geographic data developed by the National Cooperative Soil Survey. The information was...

  3. S3QL: A distributed domain specific language for controlled semantic integration of life sciences data

    Directory of Open Access Journals (Sweden)

    de Lencastre Hermínia

    2011-07-01

    Full Text Available Abstract Background The value and usefulness of data increases when it is explicitly interlinked with related data. This is the core principle of Linked Data. For life sciences researchers, harnessing the power of Linked Data to improve biological discovery is still challenged by a need to keep pace with rapidly evolving domains and requirements for collaboration and control as well as with the reference semantic web ontologies and standards. Knowledge organization systems (KOSs can provide an abstraction for publishing biological discoveries as Linked Data without complicating transactions with contextual minutia such as provenance and access control. We have previously described the Simple Sloppy Semantic Database (S3DB as an efficient model for creating knowledge organization systems using Linked Data best practices with explicit distinction between domain and instantiation and support for a permission control mechanism that automatically migrates between the two. In this report we present a domain specific language, the S3DB query language (S3QL, to operate on its underlying core model and facilitate management of Linked Data. Results Reflecting the data driven nature of our approach, S3QL has been implemented as an application programming interface for S3DB systems hosting biomedical data, and its syntax was subsequently generalized beyond the S3DB core model. This achievement is illustrated with the assembly of an S3QL query to manage entities from the Simple Knowledge Organization System. The illustrative use cases include gastrointestinal clinical trials, genomic characterization of cancer by The Cancer Genome Atlas (TCGA and molecular epidemiology of infectious diseases. Conclusions S3QL was found to provide a convenient mechanism to represent context for interoperation between public and private datasets hosted at biomedical research institutions and linked data formalisms.

  4. 3rd year final contractor report for: U.S. Department of Energy Stewardship Science Academic Alliances Program Project Title: Detailed Measurements of Rayleigh-Taylor Mixing at Large and Small Atwood Numbers

    International Nuclear Information System (INIS)

    Malcolm J. Andrews

    2006-01-01

    This project had two major tasks: Task 1. The construction of a new air/helium facility to collect detailed measurements of Rayleigh-Taylor (RT) mixing at high Atwood number, and the distribution of these data to LLNL, LANL, and Alliance members for code validation and design purposes. Task 2. The collection of initial condition data from the new Air/Helium facility, for use with validation of RT simulation codes at LLNL and LANL. This report describes work done in the last twelve (12) months of the project, and also contains a summary of the complete work done over the three (3) life of the project. As of April 1, 2006, the air/helium facility (Task 1) is now complete and extensive testing and validation of diagnostics has been performed. Initial condition studies (Task 2) is also complete. Detailed experiments with air/helium with Atwood numbers up to 0.1 have been completed, and Atwood numbers of 0.25. Within the last three (3) months we have been able to successfully run the facility at Atwood numbers of 0.5. The progress matches the project plan, as does the budget. We have finished the initial condition studies using the water channel, and this work has been accepted for publication on the Journal of Fluid Mechanics (the top fluid mechanics journal). Mr. Nick Mueschke and Mr. Wayne Kraft are continuing with their studies to obtain PhDs in the same field, and will also continue their collaboration visits to LANL and LLNL. Over its three (3) year life the project has supported two(2) Ph.D.'s and three (3) MS's, and produced nine (9) international journal publications, twenty four (24) conference publications, and numerous other reports. The highlight of the project has been our close collaboration with LLNL (Dr. Oleg Schilling) and LANL (Drs. Dimonte, Ristorcelli, Gore, and Harlow)

  5. Developing Statistical Physics Course Handout on Distribution Function Materials Based on Science, Technology, Engineering, and Mathematics

    Science.gov (United States)

    Riandry, M. A.; Ismet, I.; Akhsan, H.

    2017-09-01

    This study aims to produce a valid and practical statistical physics course handout on distribution function materials based on STEM. Rowntree development model is used to produce this handout. The model consists of three stages: planning, development and evaluation stages. In this study, the evaluation stage used Tessmer formative evaluation. It consists of 5 stages: self-evaluation, expert review, one-to-one evaluation, small group evaluation and field test stages. However, the handout is limited to be tested on validity and practicality aspects, so the field test stage is not implemented. The data collection technique used walkthroughs and questionnaires. Subjects of this study are students of 6th and 8th semester of academic year 2016/2017 Physics Education Study Program of Sriwijaya University. The average result of expert review is 87.31% (very valid category). One-to-one evaluation obtained the average result is 89.42%. The result of small group evaluation is 85.92%. From one-to-one and small group evaluation stages, averagestudent response to this handout is 87,67% (very practical category). Based on the results of the study, it can be concluded that the handout is valid and practical.

  6. Distributed Experiments in Design Sciences, a Next Step in Design Observation Studies?

    CERN Document Server

    Kriesi, Carlo; Aalto-Setala, Laura; Anvik, Anders; Balters, Stephanie; Baracchi, Alessia; Jensen, Bisballe Matilde; Bjorkli, Leif Erik; Buzzaccaro, Nicolo; Cortesi, Dario; D'Onghia, Francesco; Dosi, Clio; Franchini, Giulia; Fuchs, Matt; Gerstenberg, Achim; Hansen, Erik; Hiekkanen, Karri Matias; Hyde, David; Ituarte, Inigo; Kalasniemi, Jani; Kurikka, Joona; Lanza, Irene; Laurila, Anssi; Lee, Tik Ho; Lonvik, Siri; Mansikka-Aho, Anniina; Nordberg, Markus; Oinonen, Paivi; Pedrelli, Luca; Pekuri, Anna; Rane, Enna; Reime, Thov; Repokari, Lauri; Ronningen, Martin; Rowlands, Stephanie; Sjoman, Heikki; Slattsveen, Kristoffer; Strachan, Andy; Stromstad, Kirsti; Suren, Stian; Tapio, Peter; Utriainen, Tuuli; Vignoli, Matteo; Vijaykumar, Saurabh; Welo, Torgeir; Wulvik, Andreas

    2015-01-01

    This paper describes and proposes a new method for conducting globally distributed design research. Instead of using e.g. a software we tried out a completely analogue approach: Five carefully prepared packages, containing all the necessary materials and instructions for a design challenge, were sent out to supervisors in Norway, Finland, Italy, and Australia. These local supervisors then conducted the egg-drop exercise with students that are part of an international course held at CERN. As the task is conducted according to a previously tested protocol, the results gathered with this new method can then be benchmarked with this available data. This new approach to globally conducted engineering design activities avoids local bias and enables for gathering large amounts of diverse data points. One can also think of a research community where every member can send out one experiment per year and, in return, receives data points from across the world. Based on the feedback from the supervisors we can say that ...

  7. A Future Accelerated Cognitive Distributed Hybrid Testbed for Big Data Science Analytics

    Science.gov (United States)

    Halem, M.; Prathapan, S.; Golpayegani, N.; Huang, Y.; Blattner, T.; Dorband, J. E.

    2016-12-01

    As increased sensor spectral data volumes from current and future Earth Observing satellites are assimilated into high-resolution climate models, intensive cognitive machine learning technologies are needed to data mine, extract and intercompare model outputs. It is clear today that the next generation of computers and storage, beyond petascale cluster architectures, will be data centric. They will manage data movement and process data in place. Future cluster nodes have been announced that integrate multiple CPUs with high-speed links to GPUs and MICS on their backplanes with massive non-volatile RAM and access to active flash RAM disk storage. Active Ethernet connected key value store disk storage drives with 10Ge or higher are now available through the Kinetic Open Storage Alliance. At the UMBC Center for Hybrid Multicore Productivity Research, a future state-of-the-art Accelerated Cognitive Computer System (ACCS) for Big Data science is being integrated into the current IBM iDataplex computational system `bluewave'. Based on the next gen IBM 200 PF Sierra processor, an interim two node IBM Power S822 testbed is being integrated with dual Power 8 processors with 10 cores, 1TB Ram, a PCIe to a K80 GPU and an FPGA Coherent Accelerated Processor Interface card to 20TB Flash Ram. This system is to be updated to the Power 8+, an NVlink 1.0 with the Pascal GPU late in 2016. Moreover, the Seagate 96TB Kinetic Disk system with 24 Ethernet connected active disks is integrated into the ACCS storage system. A Lightweight Virtual File System developed at the NASA GSFC is installed on bluewave. Since remote access to publicly available quantum annealing computers is available at several govt labs, the ACCS will offer an in-line Restricted Boltzmann Machine optimization capability to the D-Wave 2X quantum annealing processor over the campus high speed 100 Gb network to Internet 2 for large files. As an evaluation test of the cognitive functionality of the architecture, the

  8. Towards a Scalable and Adaptive Application Support Platform for Large-Scale Distributed E-Sciences in High-Performance Network Environments

    Energy Technology Data Exchange (ETDEWEB)

    Wu, Chase Qishi [New Jersey Inst. of Technology, Newark, NJ (United States); Univ. of Memphis, TN (United States); Zhu, Michelle Mengxia [Southern Illinois Univ., Carbondale, IL (United States)

    2016-06-06

    workflows with the convenience of a few mouse clicks while hiding the implementation and technical details from end users. Particularly, we will consider two types of applications with distinct performance requirements: data-centric and service-centric applications. For data-centric applications, the main workflow task involves large-volume data generation, catalog, storage, and movement typically from supercomputers or experimental facilities to a team of geographically distributed users; while for service-centric applications, the main focus of workflow is on data archiving, preprocessing, filtering, synthesis, visualization, and other application-specific analysis. We will conduct a comprehensive comparison of existing workflow systems and choose the best suited one with open-source code, a flexible system structure, and a large user base as the starting point for our development. Based on the chosen system, we will develop and integrate new components including a black box design of computing modules, performance monitoring and prediction, and workflow optimization and reconfiguration, which are missing from existing workflow systems. A modular design for separating specification, execution, and monitoring aspects will be adopted to establish a common generic infrastructure suited for a wide spectrum of science applications. We will further design and develop efficient workflow mapping and scheduling algorithms to optimize the workflow performance in terms of minimum end-to-end delay, maximum frame rate, and highest reliability. We will develop and demonstrate the SWAMP system in a local environment, the grid network, and the 100Gpbs Advanced Network Initiative (ANI) testbed. The demonstration will target scientific applications in climate modeling and high energy physics and the functions to be demonstrated include workflow deployment, execution, steering, and reconfiguration. Throughout the project period, we will work closely with the science communities in the

  9. Kinetic energy budget details

    Indian Academy of Sciences (India)

    Abstract. This paper presents the detailed turbulent kinetic energy budget and higher order statistics of flow behind a surface-mounted rib with and without superimposed acoustic excitation. Pattern recognition technique is used to determine the large-scale structure magnitude. It is observed that most of the turbulence ...

  10. Three Latin Phonological Details

    DEFF Research Database (Denmark)

    Olsen, Birgit Anette

    2006-01-01

    The present paper deals with three minor details of Latin phonology: 1) the development of the initial sequence *u¿l¿-, where it is suggested that an apparent vacillation between ul- and vol-/vul- represents sandhi variants going back to the proto-language, 2) the adjectives ama¯rus ‘bitter' and ...

  11. Skewness of citation impact data and covariates of citation distributions: A large-scale empirical analysis based on Web of Science data

    NARCIS (Netherlands)

    Bornmann, L.; Leydesdorff, L.

    Using percentile shares, one can visualize and analyze the skewness in bibliometric data across disciplines and over time. The resulting figures can be intuitively interpreted and are more suitable for detailed analysis of the effects of independent and control variables on distributions than

  12. BER Science Network Requirements

    Energy Technology Data Exchange (ETDEWEB)

    Alapaty, Kiran; Allen, Ben; Bell, Greg; Benton, David; Brettin, Tom; Canon, Shane; Dart, Eli; Cotter, Steve; Crivelli, Silvia; Carlson, Rich; Dattoria, Vince; Desai, Narayan; Egan, Richard; Tierney, Brian; Goodwin, Ken; Gregurick, Susan; Hicks, Susan; Johnston, Bill; de Jong, Bert; Kleese van Dam, Kerstin; Livny, Miron; Markowitz, Victor; McGraw, Jim; McCord, Raymond; Oehmen, Chris; Regimbal, Kevin; Shipman, Galen; Strand, Gary; Flick, Jeff; Turnbull, Susan; Williams, Dean; Zurawski, Jason

    2010-11-01

    The Energy Sciences Network (ESnet) is the primary provider of network connectivity for the US Department of Energy Office of Science, the single largest supporter of basic research in the physical sciences in the United States. In support of the Office of Science programs, ESnet regularly updates and refreshes its understanding of the networking requirements of the instruments, facilities, scientists, and science programs that it serves. This focus has helped ESnet to be a highly successful enabler of scientific discovery for over 20 years. In April 2010 ESnet and the Office of Biological and Environmental Research, of the DOE Office of Science, organized a workshop to characterize the networking requirements of the science programs funded by BER. The requirements identified at the workshop are summarized and described in more detail in the case studies and the Findings section. A number of common themes emerged from the case studies and workshop discussions. One is that BER science, like many other disciplines, is becoming more and more distributed and collaborative in nature. Another common theme is that data set sizes are exploding. Climate Science in particular is on the verge of needing to manage exabytes of data, and Genomics is on the verge of a huge paradigm shift in the number of sites with sequencers and the amount of sequencer data being generated.

  13. Enabling distributed collaborative science

    DEFF Research Database (Denmark)

    Hudson, T.; Sonnenwald, Diane H.; Maglaughlin, K.

    2000-01-01

    To enable collaboration over distance, a collaborative environment that uses a specialized scientific instrument called a nanoManipulator is evaluated. The nanoManipulator incorporates visualization and force feedback technology to allow scientists to see, feel, and modify biological samples bein...

  14. Information Power Grid: Distributed High-Performance Computing and Large-Scale Data Management for Science and Engineering

    Science.gov (United States)

    Johnston, William E.; Gannon, Dennis; Nitzberg, Bill

    2000-01-01

    ) Coupling large-scale computing and data systems to scientific and engineering instruments (e.g., realtime interaction with experiments through real-time data analysis and interpretation presented to the experimentalist in ways that allow direct interaction with the experiment (instead of just with instrument control); (5) Highly interactive, augmented reality and virtual reality remote collaborations (e.g., Ames / Boeing Remote Help Desk providing field maintenance use of coupled video and NDI to a remote, on-line airframe structures expert who uses this data to index into detailed design databases, and returns 3D internal aircraft geometry to the field); (5) Single computational problems too large for any single system (e.g. the rotocraft reference calculation). Grids also have the potential to provide pools of resources that could be called on in extraordinary / rapid response situations (such as disaster response) because they can provide common interfaces and access mechanisms, standardized management, and uniform user authentication and authorization, for large collections of distributed resources (whether or not they normally function in concert). IPG development and deployment is addressing requirements obtained by analyzing a number of different application areas, in particular from the NASA Aero-Space Technology Enterprise. This analysis has focussed primarily on two types of users: the scientist / design engineer whose primary interest is problem solving (e.g. determining wing aerodynamic characteristics in many different operating environments), and whose primary interface to IPG will be through various sorts of problem solving frameworks. The second type of user is the tool designer: the computational scientists who convert physics and mathematics into code that can simulate the physical world. These are the two primary users of IPG, and they have rather different requirements. The results of the analysis of the needs of these two types of users provides a

  15. Redshift distributions of galaxies in the Dark Energy Survey Science Verification shear catalogue and implications for weak lensing

    Energy Technology Data Exchange (ETDEWEB)

    Bonnett, C.; Troxel, M. A.; Hartley, W.; Amara, A.; Leistedt, B.; Becker, M. R.; Bernstein, G. M.; Bridle, S. L.; Bruderer, C.; Busha, M. T.; Carrasco Kind, M.; Childress, M. J.; Castander, F. J.; Chang, C.; Crocce, M.; Davis, T. M.; Eifler, T. F.; Frieman, J.; Gangkofner, C.; Gaztanaga, E.; Glazebrook, K.; Gruen, D.; Kacprzak, T.; King, A.; Kwan, J.; Lahav, O.; Lewis, G.; Lidman, C.; Lin, H.; MacCrann, N.; Miquel, R.; O’Neill, C. R.; Palmese, A.; Peiris, H. V.; Refregier, A.; Rozo, E.; Rykoff, E. S.; Sadeh, I.; Sánchez, C.; Sheldon, E.; Uddin, S.; Wechsler, R. H.; Zuntz, J.; Abbott, T.; Abdalla, F. B.; Allam, S.; Armstrong, R.; Banerji, M.; Bauer, A. H.; Benoit-Lévy, A.; Bertin, E.; Brooks, D.; Buckley-Geer, E.; Burke, D. L.; Capozzi, D.; Carnero Rosell, A.; Carretero, J.; Cunha, C. E.; D’Andrea, C. B.; da Costa, L. N.; DePoy, D. L.; Desai, S.; Diehl, H. T.; Dietrich, J. P.; Doel, P.; Fausti Neto, A.; Fernandez, E.; Flaugher, B.; Fosalba, P.; Gerdes, D. W.; Gruendl, R. A.; Honscheid, K.; Jain, B.; James, D. J.; Jarvis, M.; Kim, A. G.; Kuehn, K.; Kuropatkin, N.; Li, T. S.; Lima, M.; Maia, M. A. G.; March, M.; Marshall, J. L.; Martini, P.; Melchior, P.; Miller, C. J.; Neilsen, E.; Nichol, R. C.; Nord, B.; Ogando, R.; Plazas, A. A.; Reil, K.; Romer, A. K.; Roodman, A.; Sako, M.; Sanchez, E.; Santiago, B.; Smith, R. C.; Soares-Santos, M.; Sobreira, F.; Suchyta, E.; Swanson, M. E. C.; Tarle, G.; Thaler, J.; Thomas, D.; Vikram, V.; Walker, A. R.

    2016-08-01

    We present photometric redshift estimates for galaxies used in the weak lensing analysis of the Dark Energy Survey Science Verification (DES SV) data. Four model- or machine learning-based photometric redshift methods { annz2, bpz calibrated against BCC-U fig simulations, skynet, and tpz { are analysed. For training, calibration, and testing of these methods, we also construct a catalogue of spectroscopically confirmed galaxies matched against DES SV data. The performance of the methods is evalu-ated against the matched spectroscopic catalogue, focusing on metrics relevant for weak lensing analyses, with additional validation against COSMOS photo-zs. From the galaxies in the DES SV shear catalogue, which have mean redshift 0.72 ±0.01 over the range 0:3 < z < 1:3, we construct three tomographic bins with means of z = {0.45; 0.67,1.00g}. These bins each have systematic uncertainties δz ≲ 0.05 in the mean of the fiducial skynet photo-z n(z). We propagate the errors in the redshift distributions through to their impact on cosmological parameters estimated with cosmic shear, and find that they cause shifts in the value of σ8 of approx. 3%. This shift is within the one sigma statistical errors on σ8 for the DES SV shear catalog. We also found that further study of the potential impact of systematic differences on the critical surface density, Σcrit, contained levels of bias safely less than the statistical power of DES SV data. We recommend a final Gaussian prior for the photo-z bias in the mean of n(z) of width 0:05 for each of the three tomographic bins, and show that this is a sufficient bias model for the corresponding cosmology analysis.

  16. Factors influencing detail detectability in radiologic imaging

    International Nuclear Information System (INIS)

    Gurvich, A.M.

    1985-01-01

    The detectability of various details is estimated quantitatively from the essential technical parameters of the imaging system and additional influencing factors including viewing of the image. The analysis implies the formation of the input radiation distribution (contrast formation, influence of kVp). Noise, image contrast (gamma), modulation transfer function and contrast threshold of the observer are of different influence on details of different size. Thus further optimization of imaging systems and their adaption to specific imaging tasks are facilitated

  17. THULE: A detailed description

    International Nuclear Information System (INIS)

    Terry, M.J.

    1964-07-01

    This report describes the THULE scheme of lattice physics calculation which has been developed in FORTRAN for the IBM 7090. This scheme predicts the neutron flux over energy and space, for many groups and regions, together with reactivity and reaction rate edits for both a single lattice cell and a reactor core. This report describes in detail the input requirements for the THULE programme which forms the main part of the scheme. Brief descriptions of the 7090 programmes TED 6 and NOAH are included as appendices. TED 6 will produce the THULE edits from a WDSN output tape and NOAH is a version of the METHUSELAH programme which contains many of the THULE edits and will also produce input cards for THULE. (author)

  18. Crowdsourcing detailed flood data

    Science.gov (United States)

    Walliman, Nicholas; Ogden, Ray; Amouzad*, Shahrzhad

    2015-04-01

    Over the last decade the average annual loss across the European Union due to flooding has been 4.5bn Euros, but increasingly intense rainfall, as well as population growth, urbanisation and the rising costs of asset replacements, may see this rise to 23bn Euros a year by 2050. Equally disturbing are the profound social costs to individuals, families and communities which in addition to loss of lives include: loss of livelihoods, decreased purchasing and production power, relocation and migration, adverse psychosocial effects, and hindrance of economic growth and development. Flood prediction, management and defence strategies rely on the availability of accurate information and flood modelling. Whilst automated data gathering (by measurement and satellite) of the extent of flooding is already advanced it is least reliable in urban and physically complex geographies where often the need for precise estimation is most acute. Crowdsourced data of actual flood events is a potentially critical component of this allowing improved accuracy in situations and identifying the effects of local landscape and topography where the height of a simple kerb, or discontinuity in a boundary wall can have profound importance. Mobile 'App' based data acquisition using crowdsourcing in critical areas can combine camera records with GPS positional data and time, as well as descriptive data relating to the event. This will automatically produce a dataset, managed in ArcView GIS, with the potential for follow up calls to get more information through structured scripts for each strand. Through this local residents can provide highly detailed information that can be reflected in sophisticated flood protection models and be core to framing urban resilience strategies and optimising the effectiveness of investment. This paper will describe this pioneering approach that will develop flood event data in support of systems that will advance existing approaches such as developed in the in the UK

  19. Detailed IR aperture measurements

    CERN Document Server

    Bruce, Roderik; Garcia Morales, Hector; Giovannozzi, Massimo; Hermes, Pascal Dominik; Mirarchi, Daniele; Quaranta, Elena; Redaelli, Stefano; Rossi, Carlo; Skowronski, Piotr Krzysztof; Wretborn, Sven Joel; CERN. Geneva. ATS Department

    2016-01-01

    MD 1673 was carried out on October 5 2016, in order to investigate in more detail the available aperture in the LHC high-luminosity insertions at 6.5 TeV and β∗=40 cm. Previous aperture measurements in 2016 during commissioning had shown that the available aperture is at the edge of protection, and that the aperture bottleneck at β∗=40 cm in certain cases is found in the separation plane instead of in the crossing plane. Furthermore, the bottlenecks were consistently found in close to the upstream end of Q3 on the side of the incoming beam, and not in Q2 on the outgoing beam as expected from calculations. Therefore, this MD aimed at measuring IR1 and IR5 separately (at 6.5 TeV and β∗=40 cm, for 185 µrad half crossing angle), to further localize the bottlenecks longitudinally using newly installed BLMs, investigate the difference in aperture between Q2 and Q3, and to see if any aperture can be gained using special orbit bumps.

  20. Providing Health Sciences Services in a Joint-Use Distributed Learning Library System: An Organizational Case Study.

    Science.gov (United States)

    Enslow, Electra; Fricke, Suzanne; Vela, Kathryn

    2017-01-01

    The purpose of this organizational case study is to describe the complexities librarians face when serving a multi-campus institution that supports both a joint-use library and expanding health sciences academic partnerships. In a system without a centralized health science library administration, liaison librarians are identifying dispersed programs and user groups and collaborating to define their unique service and outreach needs within a larger land-grant university. Using a team-based approach, health sciences librarians are communicating to integrate research and teaching support, systems differences across dispersed campuses, and future needs of a new community-based medical program.

  1. E-detailing: information technology applied to pharmaceutical detailing.

    Science.gov (United States)

    Montoya, Isaac D

    2008-11-01

    E-detailing can be best described as the use of information technology in the field of pharmaceutical detailing. It is becoming highly popular among pharmaceutical companies because it maximizes the time of the sales force, cuts down the cost of detailing and increases physician prescribing. Thus, the application of information technology is proving to be beneficial to both physicians and pharmaceutical companies. When e-detailing was introduced in 1996, it was limited to the US; however, numerous other countries soon adopted this novel approach to detailing and now it is popular in many developed nations. The objective of this paper is to demonstrate the rapid growth of e-detailing in the field of pharmaceutical marketing. A review of e-detailing literature was conducted in addition to personal conversations with physicians. E-detailing has the potential to reduce marketing costs, increase accessibility to physicians and offer many of the advantages of face-to-face detailing. E-detailing is gaining acceptance among physicians because they can access the information of a pharmaceutical product at their own time and convenience. However, the drug safety aspect of e-detailing has not been examined and e-detailing remains a supplement to traditional detailing and is not yet a replacement to it.

  2. Multi-Sensor Distributive On-line Processing, Visualization, and Analysis Infrastructure for an Agricultural Information System at the NASA Goddard Earth Sciences DAAC

    Science.gov (United States)

    Teng, W.; Berrick, S.; Leptoukh, G.; Liu, Z.; Rui, H.; Pham, L.; Shen, S.; Zhu, T.

    2004-12-01

    The Goddard Space Flight Center Earth Sciences Data and Information Services Center (GES DISC) Distributed Active Archive Center (DAAC) is developing an Agricultural Information System (AIS), evolved from an existing TRMM Online Visualization and Analysis System (TOVAS), which will operationally provide precipitation and other satellite data products and services. AIS outputs will be integrated into existing operational decision support systems for global crop monitoring, such as that of the U.N. World Food Program. The ability to use the raw data stored in the GES DAAC archives is highly dependent on having a detailed understanding of the data's internal structure and physical implementation. To gain this understanding is a time-consuming process and not a productive investment of the user's time. This is an especially difficult challenge when users need to deal with multi-sensor data that usually are of different structures and resolutions. The AIS has taken a major step towards meeting this challenge by incorporating an underlying infrastructure, called the GES-DISC Interactive Online Visualization and Analysis Infrastructure or "Giovanni," that integrates various components to support web interfaces that allow users to perform interactive analysis on-line without downloading any data. Several instances of the Giovanni-based interface have been or are being created to serve users of TRMM precipitation, MODIS aerosol, and SeaWiFS ocean color data, as well as agricultural applications users. Giovanni-based interfaces are simple to use but powerful. The user selects geophysical parameters, area of interest, and time period; and the system generates an output on screen in a matter of seconds. The currently available output options are (1) area plot - averaged or accumulated over any available data period for any rectangular area; (2) time plot - time series averaged over any rectangular area; (3) Hovmoller plots - longitude-time and latitude-time plots; (4) ASCII

  3. Reserving by detailed conditioning on individual claim

    Science.gov (United States)

    Kartikasari, Mujiati Dwi; Effendie, Adhitya Ronnie; Wilandari, Yuciana

    2017-03-01

    The estimation of claim reserves is an important activity in insurance companies to fulfill their liabilities. Recently, reserving method of individual claim have attracted a lot of interest in the actuarial science, which overcome some deficiency of aggregated claim method. This paper explores the Reserving by Detailed Conditioning (RDC) method using all of claim information for reserving with individual claim of liability insurance from an Indonesian general insurance company. Furthermore, we compare it to Chain Ladder and Bornhuetter-Ferguson method.

  4. A data science based standardized Gini index as a Lorenz dominance preserving measure of the inequality of distributions.

    Science.gov (United States)

    Ultsch, Alfred; Lötsch, Jörn

    2017-01-01

    The Gini index is a measure of the inequality of a distribution that can be derived from Lorenz curves. While commonly used in, e.g., economic research, it suffers from ambiguity via lack of Lorenz dominance preservation. Here, investigation of large sets of empirical distributions of incomes of the World's countries over several years indicated firstly, that the Gini indices are centered on a value of 33.33% corresponding to the Gini index of the uniform distribution and secondly, that the Lorenz curves of these distributions are consistent with Lorenz curves of log-normal distributions. This can be employed to provide a Lorenz dominance preserving equivalent of the Gini index. Therefore, a modified measure based on log-normal approximation and standardization of Lorenz curves is proposed. The so-called UGini index provides a meaningful and intuitive standardization on the uniform distribution as this characterizes societies that provide equal chances. The novel UGini index preserves Lorenz dominance. Analysis of the probability density distributions of the UGini index of the World's counties income data indicated multimodality in two independent data sets. Applying Bayesian statistics provided a data-based classification of the World's countries' income distributions. The UGini index can be re-transferred into the classical index to preserve comparability with previous research.

  5. A data science based standardized Gini index as a Lorenz dominance preserving measure of the inequality of distributions.

    Directory of Open Access Journals (Sweden)

    Alfred Ultsch

    Full Text Available The Gini index is a measure of the inequality of a distribution that can be derived from Lorenz curves. While commonly used in, e.g., economic research, it suffers from ambiguity via lack of Lorenz dominance preservation. Here, investigation of large sets of empirical distributions of incomes of the World's countries over several years indicated firstly, that the Gini indices are centered on a value of 33.33% corresponding to the Gini index of the uniform distribution and secondly, that the Lorenz curves of these distributions are consistent with Lorenz curves of log-normal distributions. This can be employed to provide a Lorenz dominance preserving equivalent of the Gini index. Therefore, a modified measure based on log-normal approximation and standardization of Lorenz curves is proposed. The so-called UGini index provides a meaningful and intuitive standardization on the uniform distribution as this characterizes societies that provide equal chances. The novel UGini index preserves Lorenz dominance. Analysis of the probability density distributions of the UGini index of the World's counties income data indicated multimodality in two independent data sets. Applying Bayesian statistics provided a data-based classification of the World's countries' income distributions. The UGini index can be re-transferred into the classical index to preserve comparability with previous research.

  6. Influences on physicians' adoption of electronic detailing (e-detailing).

    Science.gov (United States)

    Alkhateeb, Fadi M; Doucette, William R

    2009-01-01

    E-detailing means using digital technology: internet, video conferencing and interactive voice response. There are two types of e-detailing: interactive (virtual) and video. Currently, little is known about what factors influence physicians' adoption of e-detailing. The objectives of this study were to test a model of physicians' adoption of e-detailing and to describe physicians using e-detailing. A mail survey was sent to a random sample of 2000 physicians practicing in Iowa. Binomial logistic regression was used to test the model of influences on physician adoption of e-detailing. On the basis of Rogers' model of adoption, the independent variables included relative advantage, compatibility, complexity, peer influence, attitudes, years in practice, presence of restrictive access to traditional detailing, type of specialty, academic affiliation, type of practice setting and control variables. A total of 671 responses were received giving a response rate of 34.7%. A total of 141 physicians (21.0%) reported using of e-detailing. The overall adoption model for using either type of e-detailing was found to be significant. Relative advantage, peer influence, attitudes, type of specialty, presence of restrictive access and years of practice had significant influences on physician adoption of e-detailing. The model of adoption of innovation is useful to explain physicians' adoption of e-detailing.

  7. On Detailing in Contemporary Architecture

    DEFF Research Database (Denmark)

    Kristensen, Claus; Kirkegaard, Poul Henning

    2010-01-01

    Details in architecture have a significant influence on how architecture is experienced. One can touch the materials and analyse the detailing - thus details give valuable information about the architectural scheme as a whole. The absence of perceptual stimulation like details and materiality...... / tactility can blur the meaning of the architecture and turn it into an empty statement. The present paper will outline detailing in contemporary architecture and discuss the issue with respect to architectural quality. Architectural cases considered as sublime piece of architecture will be presented...

  8. Details

    Indian Academy of Sciences (India)

    teju

    2018-05-04

    May 4, 2018 ... ... selected candidate is required to work with Accounts Officer and assist in ... in website of Public Financial Management System etc., and carry out .... Duties also include coordination and liaison with Chief Editors and other ...

  9. Details

    Indian Academy of Sciences (India)

    The incumbent should have passed Diploma in Secretarial Practice or Bachelors of Commerce with at least 50% marks. Should be proficient in typing, shorthand and MS office. Age: Not more than. 25 years as on 1 April 2017. Preference will be given to male candidates. Experience: 2 years experience in the administrative ...

  10. Managing globally distributed expertise with new competence management solutions: a big-science collaboration as a pilot case.

    OpenAIRE

    Ferguson, J; Koivula, T; Livan, M; Nordberg, M; Salmia, T; Vuola, O

    2003-01-01

    In today's global organisations and networks, a critical factor for effective innovation and project execution is appropriate competence and skills management. The challenges include selection of strategic competences, competence development, and leveraging the competences and skills to drive innovation and collaboration for shared goals. This paper presents a new industrial web-enabled competence management and networking solution and its implementation and piloting in a complex big-science ...

  11. The detail is dead - long live the detail!

    DEFF Research Database (Denmark)

    Larsen, Steen Nepper; Dalgaard, Kim; Kerstens, Vencent

    2018-01-01

    architecture when we look into architectural history. Too classic examples are; Adolf Loos who provoked already in 1908 with his statement; "Ornament and Crime", which contested the unconscious decorations of contemporary architects. Similarly, referring to the little need for superfluous detailing; "Less...... not change the fact that it is more important than ever to bring this 'small' architectural world to attention. Today, the construction industry is dictated by an economic management that does not leave much room for thorough studies of architectural details or visionary experiments. Today's more efficient......_Delft about the Symposium; "The Detail is Dead - Long Live the Detail". For this occasion a number of leading Danish and Northern European architects, researchers and companies were invited to discuss and suggest their 'architectural detail' and the challenges they face in today's construction. This book...

  12. KAT-7 Science Verification: Using HI Observations of NGC 3109 to Understand its Kinematics and Mass Distribution

    NARCIS (Netherlands)

    Lucero, Danielle M.; Carignan, C.; Hess, K. M.; Frank, B. S.; Randriamampandry, T. H.; Goedhart, S.; Passmoor, S. S.

    HI observations of the Magellanic-type spiral NGC 3109, obtained with the seven dish Karoo Array Telescope (KAT-7), are used to analyze its mass distribution. Our results are compared to those obtained using Very Large Array (VLA) data. KAT-7 is a pathfinder of the Square Kilometer Array precursor

  13. Marine Science

    African Journals Online (AJOL)

    pod diversity and distribution are important especially since studies on marine biodiversity are scarce .... Method II –. Zamoum &. Furla (2012) protocol. Method III. – Geist et al (2008) protocol ..... Public Library Of Science One 8: 51273.

  14. Marine Science

    African Journals Online (AJOL)

    Aims and scope: The Western Indian Ocean Journal of Marine Science provides an avenue .... shell growth is adversely affected. ... local stressors in action, such as ocean acidification ..... that the distribution of many intertidal sessile animals.

  15. The Soleil detailed pre-project report

    International Nuclear Information System (INIS)

    1999-01-01

    The aim of the joint CNRS/CEA Soleil project was to develop a facility equipped with several synchrotron radiation sources and their associated experimental devices in order to answer the estimated research needs in this domain for the 20 to 30 forthcoming years. This document is the detailed pre-project. It describes the studies carried out and relative to the infrastructures and buildings, to the accelerators and light sources (storage ring, injector, radiation production), to the program of experiments, to the computer science aspects, and to the administrative and organisational aspects. (J.S.)

  16. Integrating Forensic Science.

    Science.gov (United States)

    Funkhouser, John; Deslich, Barbara J.

    2000-01-01

    Explains the implementation of forensic science in an integrated curriculum and discusses the advantages of this approach. Lists the forensic science course syllabi studied in three high schools. Discusses the unit on polymers in detail. (YDS)

  17. TelluSim: A Python Plug-in Based Computational Framework for Spatially Distributed Environmental and Earth Sciences Modelling

    Science.gov (United States)

    Willgoose, G. R.

    2008-12-01

    TelluSim is a python-based computational framework for integrating and manipulating modules written in a variety of computer languages. TelluSim consists of a main program that dynamically, at run time, assembles a series of modules. These modules can be written in any language that can be accessed by Python. Currently we have modules in Fortran and Python, with C to be supported soon. New modules are incorporated as plug-ins like done for a browser or Photoshop, simply by copying the module binary into a plug-in directory. TelluSim automatically generates a GUI for parameter and state I/O, and automatically creates the intermodule communication mechanisms needed for the computations. A decision to use Python was arrived at after detailed trials using other languages including C, Tcl/Tk and Fortran. An important aspect of the design of TelluSim was to minimise the overhead in interfacing the modules with TelluSim, and minimise any requirement for recoding of existing software, so eliminating a major disadvantage of more complex frameworks (e.g. JAMS, openMI). Several significant Fortran codes developed by the author have been incorporated as part of the design process and as proof of concept. In particular the SIBERIA landform evolution code (a high performance F90 code, including parallel capability) has been broken up into a series of TelluSim modules, so that the SIBERIA now consists of a Python script of 20 lines. These 20 lines assemble and run the underlying modules (about 50,000 lines of Fortran code). The presentation will discuss in more detail the design of TelluSim, and our experiences of the advantages and disadvantages of using Python relative to other approaches.

  18. Methodological Details and Full Bibliography

    Data.gov (United States)

    U.S. Environmental Protection Agency — This dataset has several components, The first part describes fully our literature review, providing details not included in the text. The second part provides all...

  19. Ultra-structural cell distribution of the melanoma marker iodobenzamide: improved potentiality of SIMS imaging in life sciences

    Directory of Open Access Journals (Sweden)

    Papon Janine

    2004-04-01

    Full Text Available Abstract Background Analytical imaging by secondary ion mass spectrometry (SIMS provides images representative of the distribution of a specific ion within a sample surface. For the last fifteen years, concerted collaborative research to design a new ion microprobe with high technical standards in both mass and lateral resolution as well as in sensitivity has led to the CAMECA NanoSims 50, recently introduced onto the market. This instrument has decisive capabilities, which allow biological applications of SIMS microscopy at a level previously inaccessible. Its potential is illustrated here by the demonstration of the specific affinity of a melanoma marker for melanin. This finding is of great importance for the diagnosis and/or treatment of malignant melanoma, a tumour whose worldwide incidence is continuously growing. Methods The characteristics of the instrument are briefly described and an example of application is given. This example deals with the intracellular localization of an iodo-benzamide used as a diagnostic tool for the scintigraphic detection of melanic cells (e.g. metastasis of malignant melanoma. B16 melanoma cells were injected intravenously to C57BL6/J1/co mice. Multiple B16 melanoma colonies developed in the lungs of treated animals within three weeks. Iodobenzamide was injected intravenously in tumour bearing mice six hours before sacrifice. Small pieces of lung were prepared for SIMS analysis. Results Mouse lung B16 melanoma colonies were observed with high lateral resolution. Cyanide ions gave "histological" images of the cell, representative of the distribution of C and N containing molecules (e.g. proteins, nucleic acids, melanin, etc. while phosphorus ions are mainly produced by nucleic acids. Iodine was detected only in melanosomes, confirming the specific affinity of the drug for melanin. No drug was found in normal lung tissue. Conclusion This study demonstrates the potential of SIMS microscopy, which allows the

  20. Detailed Distribution of Lipids in Greenshell™ Mussel (Perna canaliculus

    Directory of Open Access Journals (Sweden)

    Matthew R. Miller

    2014-04-01

    Full Text Available Greenshell™ mussels (GSM–Perna canaliculus are a source of omega-3 (n-3 long-chain polyunsaturated fatty acids (LC-PUFA. Farmed GSM are considered to be a sustainable source of LC-PUFA as they require no dietary inputs, gaining all of their oil by filter-feeding microorganisms from sea water. GSM oil is a high-value product, with a value as much as 1000 times that of fish oils. GSM oil has important health benefits, for example, anti-inflammatory activity. It also contains several minor lipid components that are not present in most fish oil products, and that have their own beneficial effects on human health. We have shown the lipid content of the female GSM (1.9 g/100 g ww was significantly greater than that of the male (1.4 g/100 g ww. Compared with male GSM, female GSM contained more n-3 LC-PUFA, and stored a greater proportion of total lipid in the gonad and mantle. The higher lipid content in the female than the male GSM is most likely related to gamete production. This information will be useful to optimize extraction of oils from GSM, a local and sustainable source of n-3 LC-PUFA.

  1. The impact of human-technology cooperation and distributed cognition in forensic science: biasing effects of AFIS contextual information on human experts.

    Science.gov (United States)

    Dror, Itiel E; Wertheim, Kasey; Fraser-Mackenzie, Peter; Walajtys, Jeff

    2012-03-01

    Experts play a critical role in forensic decision making, even when cognition is offloaded and distributed between human and machine. In this paper, we investigated the impact of using Automated Fingerprint Identification Systems (AFIS) on human decision makers. We provided 3680 AFIS lists (a total of 55,200 comparisons) to 23 latent fingerprint examiners as part of their normal casework. We manipulated the position of the matching print in the AFIS list. The data showed that latent fingerprint examiners were affected by the position of the matching print in terms of false exclusions and false inconclusives. Furthermore, the data showed that false identification errors were more likely at the top of the list and that such errors occurred even when the correct match was present further down the list. These effects need to be studied and considered carefully, so as to optimize human decision making when using technologies such as AFIS. © 2011 American Academy of Forensic Sciences.

  2. Waking-up to Science!

    Science.gov (United States)

    2007-03-01

    our genes", says Potočnik. "Unfortunately it tends to die away when we grow up. This is because the ways we raise and educate our children and the ways we work and live do not always support innovative thinking and doing. We cannot change this overnight. But I think it is worth making the effort to awaken this dormant passion and initiatives like Science on Stage can be a very effective alarm clock", he adds. The festival will close with the presentation of the European Science Teaching Awards. The teaching materials and methods voted to be the best in Europe will then be presented in the 'Science in School' magazine, distributed free of charge to 30,000 teachers in Europe. The festival is the climax of a two-year programme of events organised in virtually every European country and from which delegates have been selected for their outstanding projects for promoting science. The winners of ESO's Catch a Star! 2007 contest will also be announced during the Science on Stage festival. The event follows on from the hugely successful 'Physics on Stage' and 'Science on Stage' festivals organised by EIROforum in 2000, 2002, 2003 and 2005. Journalists are cordially invited to take part in this unique European event. Practical information, including the detailed festival programme, is available on the Science on Stage web site at http://www.ill.fr/scienceonstage2007. A detailed press kit is available at http://www.ill.fr/scienceonstage2007/fichiers/SOSpresskit.pdf

  3. KAT-7 SCIENCE VERIFICATION: USING H I OBSERVATIONS OF NGC 3109 TO UNDERSTAND ITS KINEMATICS AND MASS DISTRIBUTION

    Energy Technology Data Exchange (ETDEWEB)

    Carignan, C.; Frank, B. S.; Hess, K. M.; Lucero, D. M.; Randriamampandry, T. H. [Department of Astronomy, University of Cape Town, Private Bag X3, Rondebosch 7701 (South Africa); Goedhart, S.; Passmoor, S. S., E-mail: ccarignan@ast.uct.ac.za [SKA South Africa, The Park, Park Road, Pinelands, 7405 (South Africa)

    2013-09-15

    H I observations of the Magellanic-type spiral NGC 3109, obtained with the seven dish Karoo Array Telescope (KAT-7), are used to analyze its mass distribution. Our results are compared to those obtained using Very Large Array (VLA) data. KAT-7 is a pathfinder of the Square Kilometer Array precursor MeerKAT, which is under construction. The short baselines and low system temperature of the telescope make it sensitive to large-scale, low surface brightness emission. The new observations with KAT-7 allow the measurement of the rotation curve (RC) of NGC 3109 out to 32', doubling the angular extent of existing measurements. A total H I mass of 4.6 Multiplication-Sign 10{sup 8} M{sub Sun} is derived, 40% more than what is detected by the VLA observations. The observationally motivated pseudo-isothermal dark matter (DM) halo model can reproduce the observed RC very well, but the cosmologically motivated Navarro-Frenk-White DM model gives a much poorer fit to the data. While having a more accurate gas distribution has reduced the discrepancy between the observed RC and the MOdified Newtonian Dynamics (MOND) models, this is done at the expense of having to use unrealistic mass-to-light ratios for the stellar disk and/or very large values for the MOND universal constant a{sub 0}. Different distances or H I contents cannot reconcile MOND with the observed kinematics, in view of the small errors on these two quantities. As with many slowly rotating gas-rich galaxies studied recently, the present result for NGC 3109 continues to pose a serious challenge to the MOND theory.

  4. Introducing the History of Science at the French Middle School

    Science.gov (United States)

    Fauque, Danielle M. E.

    2009-01-01

    In scientific teaching, especially in physics and chemistry, some historical aspects have been introduced at the secondary level in France, since 1993. Particularly, in 2007, the syllabuses of 11'-15' years old level ("college") propose precise activities in history of science and technology. Detailed guidance has been distributed in…

  5. [The Continuity Between World War II and the Postwar Period: Grant Distribution by the Japan Society for the Promotion of Science and the Subsidiary Fund for Scientific Research].

    Science.gov (United States)

    Mizusawa, Hikari

    2015-01-01

    This paper analyzes the distribution of the Subsidiary Fund for Scientific Research, a predecessor to the Grant-in-Aid for Scientific Research (KAKENHI), which operated in Japan from the 1930s to 1950s. It reveals that the Japanese government maintained this wide-ranging promotion system since its establishment during the war until well into the postwar period. Previous studies insist that, at the end of the war, the Japanese government generally only funded the research that it considered immediately and practically useful. In contrast to this general perception, my analysis illustrates that both before and after the war, funding was allotted to four research areas: natural science, engineering, agriculture, and medicine. In order to illuminate this continuity, I compare the Subsidiary Fund with another research fund existing from 1933 to 1947: the Grant of the Japan Society for the Promotion of Science (JSPS). The comparison demonstrates that the JSPS received externally raised capital from the military and munitions companies. However, while this group focused upon engineering and military-related research as the war dragged on, the Subsidiary Fund has consistently entrusted scientists with the authority to decide the allocation of financial support.

  6. The Spotting Distribution of Wildfires

    Directory of Open Access Journals (Sweden)

    Jonathan Martin

    2016-06-01

    Full Text Available In wildfire science, spotting refers to non-local creation of new fires, due to downwind ignition of brands launched from a primary fire. Spotting is often mentioned as being one of the most difficult problems for wildfire management, because of its unpredictable nature. Since spotting is a stochastic process, it makes sense to talk about a probability distribution for spotting, which we call the spotting distribution. Given a location ahead of the fire front, we would like to know how likely is it to observe a spot fire at that location in the next few minutes. The aim of this paper is to introduce a detailed procedure to find the spotting distribution. Most prior modelling has focused on the maximum spotting distance, or on physical subprocesses. We will use mathematical modelling, which is based on detailed physical processes, to derive a spotting distribution. We discuss the use and measurement of this spotting distribution in fire spread, fire management and fire breaching. The appendix of this paper contains a comprehensive review of the relevant underlying physical sub-processes of fire plumes, launching fire brands, wind transport, falling and terminal velocity, combustion during transport, and ignition upon landing.

  7. DAGAL: Detailed Anatomy of Galaxies

    Science.gov (United States)

    Knapen, Johan H.

    2017-03-01

    The current IAU Symposium is closely connected to the EU-funded network DAGAL (Detailed Anatomy of Galaxies), with the final annual network meeting of DAGAL being at the core of this international symposium. In this short paper, we give an overview of DAGAL, its training activities, and some of the scientific advances that have been made under its umbrella.

  8. Actuarial Science.

    Science.gov (United States)

    Warren, Bette

    1982-01-01

    Details are provided of a program on actuarial training developed at the State University of New York (SUNY) at Binghamton through the Department of Mathematical Sciences. An outline of its operation, including a few statistics on students in the program, is included. (MP)

  9. Introduction to probability and statistics for science, engineering, and finance

    CERN Document Server

    Rosenkrantz, Walter A

    2008-01-01

    Data Analysis Orientation The Role and Scope of Statistics in Science and Engineering Types of Data: Examples from Engineering, Public Health, and Finance The Frequency Distribution of a Variable Defined on a Population Quantiles of a Distribution Measures of Location (Central Value) and Variability Covariance, Correlation, and Regression: Computing a Stock's Beta Mathematical Details and Derivations Large Data Sets Probability Theory Orientation Sample Space, Events, Axioms of Probability Theory Mathematical Models of Random Sampling Conditional Probability and Baye

  10. Author Details - African Journals Online

    African Journals Online (AJOL)

    Cook, I. Vol 33, No 1 (2011) - Articles Was the Conconi test validated by sporting success, expert opinion or good science? Abstract. ISSN: 0379-9069. AJOL African Journals Online. HOW TO USE AJOL... for Researchers · for Librarians · for Authors · FAQ's · More about AJOL · AJOL's Partners · Terms and Conditions of Use ...

  11. actuar: An R Package for Actuarial Science

    OpenAIRE

    Dutang, Christophe; Goulet, Vincent; Pigeon, Mathieu

    2008-01-01

    actuar is a package providing additional Actuarial Science functionality to the R statistical system. The project was launched in 2005 and the package is available on the Comprehensive R Archive Network since February 2006. The current version of the package contains functions for use in the fields of loss distributions modeling, risk theory (including ruin theory), simulation of compound hierarchical models and credibility theory. This paper presents in detail but with few technical terms t...

  12. fell detail.php3 | php | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    error. The page your are looking for can not be found! Please check the link or use the navigation bar at the top. YouTube; Twitter; Facebook; Blog. Academy News. IAS Logo. 29th Mid-year meeting. Posted on 19 January 2018. The 29th Mid-year meeting of the Academy will be held from 29–30 June 2018 in Infosys, Mysuru ...

  13. OneFlorida Clinical Research Consortium: Linking a Clinical and Translational Science Institute With a Community-Based Distributive Medical Education Model.

    Science.gov (United States)

    Shenkman, Elizabeth; Hurt, Myra; Hogan, William; Carrasquillo, Olveen; Smith, Steven; Brickman, Andrew; Nelson, David

    2018-03-01

    Developing a national pragmatic clinical trial infrastructure is central to understanding the effectiveness of interventions applied under usual conditions and where people receive health care. To address this challenge, three Florida universities-the University of Florida Clinical and Translational Science Institute, Florida State University (with its community-based distributive medical education model), and the University of Miami-created (2010-2013) a statewide consortium, the OneFlorida Clinical Research Consortium, to support the conduct of pragmatic clinical trials and provide mentored research experiences for medical and graduate students in real-world practice settings. OneFlorida has four programs, which report to a steering committee with membership from each partner, community members, and the state Medicaid agency and Department of Health to ensure shared governance. The Clinical Research Program provides support to conduct research in the network and uses champions to engage community clinicians. The Citizen Scientist Program has community members who provide input on health topics of importance to them, study design, recruitment and retention strategies, and the interpretation of findings. The Data Trust Program contains electronic health record and health care claims data for 10.6 million Floridians. The Minority Education Program, in collaboration with three historically black colleges and universities, offers minority junior faculty mentoring in pragmatic clinical trials and implementation science. OneFlorida has implemented 27 studies with diverse patient populations and in diverse community practice settings. To identify evidence-based best practices from the clinical trials conducted in the network, foster their implementation, and expand research training opportunities.

  14. Distribution and abundance of small plastic debris on beaches in the SE Pacific (Chile): a study supported by a citizen science project.

    Science.gov (United States)

    Hidalgo-Ruz, Valeria; Thiel, Martin

    2013-01-01

    The accumulation of large and small plastic debris is a problem throughout the world's oceans and coastlines. Abundances and types of small plastic debris have only been reported for some isolated beaches in the SE Pacific, but these data are insufficient to evaluate the situation in this region. The citizen science project "National Sampling of Small Plastic Debris" was supported by schoolchildren from all over Chile who documented the distribution and abundance of small plastic debris on Chilean beaches. Thirty-nine schools and nearly 1000 students from continental Chile and Easter Island participated in the activity. To validate the data obtained by the students, all samples were recounted in the laboratory. The results of the present study showed that the students were able to follow the instructions and generate reliable data. The average abundance obtained was 27 small plastic pieces per m(2) for the continental coast of Chile, but the samples from Easter Island had extraordinarily higher abundances (>800 items per m(2)). The abundance of small plastic debris on the continental coast could be associated with coastal urban centers and their economic activities. The high abundance found on Easter Island can be explained mainly by the transport of plastic debris via the surface currents in the South Pacific Subtropical Gyre, resulting in the accumulation of small plastic debris on the beaches of the island. This first report of the widespread distribution and abundance of small plastic debris on Chilean beaches underscores the need to extend plastic debris research to ecological aspects of the problem and to improve waste management. Copyright © 2013 Elsevier Ltd. All rights reserved.

  15. Distributed systems

    CERN Document Server

    Van Steen, Maarten

    2017-01-01

    For this third edition of "Distributed Systems," the material has been thoroughly revised and extended, integrating principles and paradigms into nine chapters: 1. Introduction 2. Architectures 3. Processes 4. Communication 5. Naming 6. Coordination 7. Replication 8. Fault tolerance 9. Security A separation has been made between basic material and more specific subjects. The latter have been organized into boxed sections, which may be skipped on first reading. To assist in understanding the more algorithmic parts, example programs in Python have been included. The examples in the book leave out many details for readability, but the complete code is available through the book's Website, hosted at www.distributed-systems.net.

  16. Handbook of exponential and related distributions for engineers and scientists

    CERN Document Server

    Pal, Nabendu; Lim, Wooi K

    2005-01-01

    The normal distribution is widely known and used by scientists and engineers. However, there are many cases when the normal distribution is not appropriate, due to the data being skewed. Rather than leaving you to search through journal articles, advanced theoretical monographs, or introductory texts for alternative distributions, the Handbook of Exponential and Related Distributions for Engineers and Scientists provides a concise, carefully selected presentation of the properties and principles of selected distributions that are most useful for application in the sciences and engineering.The book begins with all the basic mathematical and statistical background necessary to select the correct distribution to model real-world data sets. This includes inference, decision theory, and computational aspects including the popular Bootstrap method. The authors then examine four skewed distributions in detail: exponential, gamma, Weibull, and extreme value. For each one, they discuss general properties and applicabi...

  17. Density Distribution of Liquid Argon in Nano-channel Poiseuille Flows

    Science.gov (United States)

    She, Jiangwei; Wang, Yuyi; Zhou, Zhe-Wei

    2017-11-01

    The density layering parallel to the boundaries of liquid has been measured in many experiments and also observed in molecular dynamics (MD) simulations. In this study, a detail and systematic investigation of density distribution in nano-scale Poiseuille flows is carried out. Through analyzing the difference of density distribution curves obtained under different conditions, the influence of interaction parameters, configuration form of solid wall and temperature on the layering are investigated. The internal mechanism is also explored in this paper. The detail description of the density distribution results and simulation algorithm is given. National natural science foundation (A020405).

  18. Science network resources: Distributed systems

    Science.gov (United States)

    Cline, Neal

    1991-01-01

    The Master Directory, which is overview information about whole data sets, is outlined. The data system environment is depicted. The question is explored of what is a prototype international directory including purpose and features. Advantages of on-line directories are listed. Interconnected directory assumptions are given. A description of given of DIF (Directory Interchange Format), which is an exchange file for directory information, along with information content of DIF and directories. The directory population status is given in a percentage viewgraph. The present and future directory interconnections status at GSFC is also listed.

  19. Detailed clinical models: a review.

    Science.gov (United States)

    Goossen, William; Goossen-Baremans, Anneke; van der Zel, Michael

    2010-12-01

    Due to the increasing use of electronic patient records and other health care information technology, we see an increase in requests to utilize these data. A highly level of standardization is required during the gathering of these data in the clinical context in order to use it for analyses. Detailed Clinical Models (DCM) have been created toward this purpose and several initiatives have been implemented in various parts of the world to create standardized models. This paper presents a review of DCM. Two types of analyses are presented; one comparing DCM against health care information architectures and a second bottom up approach from concept analysis to representation. In addition core parts of the draft ISO standard 13972 on DCM are used such as clinician involvement, data element specification, modeling, meta information, and repository and governance. SIX INITIATIVES WERE SELECTED: Intermountain Healthcare, 13606/OpenEHR Archetypes, Clinical Templates, Clinical Contents Models, Health Level 7 templates, and Dutch Detailed Clinical Models. Each model selected was reviewed for their overall development, involvement of clinicians, use of data types, code bindings, expressing semantics, modeling, meta information, use of repository and governance. Using both a top down and bottom up approach to comparison reveals many commonalties and differences between initiatives. Important differences include the use of or lack of a reference model and expressiveness of models. Applying clinical data element standards facilitates the use of conceptual DCM models in different technical representations.

  20. Distributed model predictive control made easy

    CERN Document Server

    Negenborn, Rudy

    2014-01-01

    The rapid evolution of computer science, communication, and information technology has enabled the application of control techniques to systems beyond the possibilities of control theory just a decade ago. Critical infrastructures such as electricity, water, traffic and intermodal transport networks are now in the scope of control engineers. The sheer size of such large-scale systems requires the adoption of advanced distributed control approaches. Distributed model predictive control (MPC) is one of the promising control methodologies for control of such systems.   This book provides a state-of-the-art overview of distributed MPC approaches, while at the same time making clear directions of research that deserve more attention. The core and rationale of 35 approaches are carefully explained. Moreover, detailed step-by-step algorithmic descriptions of each approach are provided. These features make the book a comprehensive guide both for those seeking an introduction to distributed MPC as well as for those ...

  1. Derivation of Markov processes that violate detailed balance

    Science.gov (United States)

    Lee, Julian

    2018-03-01

    Time-reversal symmetry of the microscopic laws dictates that the equilibrium distribution of a stochastic process must obey the condition of detailed balance. However, cyclic Markov processes that do not admit equilibrium distributions with detailed balance are often used to model systems driven out of equilibrium by external agents. I show that for a Markov model without detailed balance, an extended Markov model can be constructed, which explicitly includes the degrees of freedom for the driving agent and satisfies the detailed balance condition. The original cyclic Markov model for the driven system is then recovered as an approximation at early times by summing over the degrees of freedom for the driving agent. I also show that the widely accepted expression for the entropy production in a cyclic Markov model is actually a time derivative of an entropy component in the extended model. Further, I present an analytic expression for the entropy component that is hidden in the cyclic Markov model.

  2. Generalized detailed balance theory of solar cells

    Energy Technology Data Exchange (ETDEWEB)

    Kirchartz, Thomas

    2009-12-12

    compatible with the Shockley-Queisser limit and the classical diode theory. For organic solar cells, exciton binding energies are sufficiently high, so that purely bipolar models are no longer applicable. Instead, excitonic transport has to be included. Thus, the inclusion of exciton transport into the bipolar detailed balance model leads to a generalized detailed balance model that simulates solar cells with predominantly bipolar transport, with predominantly excitonic transport and with every combination of both. Due to low exciton diffusion lengths, organic solar cells are usually combined with a specific device geometry, the bulk heterojunction. In a bulk heterojunction device, the whole bulk of the absorber is made up of distributed heterojunctions, where the exciton is transferred to a bound pair at the interface, which is then split into free electron and hole. The assumption that exciton transport is only relevant towards the next heterointerface allows to develop also a version of the detailed balance model that is applicable to bulk heterojunction cells. The last variation of the detailed balance model includes the process of impact ionisation as a means to generate more than one exciton from a single high energy photon. The model for multiple exciton generating absorbers identifies possible bottlenecks as well as maximum efficiencies of future solar cells that use this concept. Another direct consequence of the principle of detailed balance is a reciprocity theorem between electroluminescence and solar cell quantum efficiency. The theoretical part of this thesis discusses the validity range of this reciprocity and checks for each version of the model, whether the relation between electroluminescence and quantum efficiency is still applicable. The main result shows that voltage dependent carrier collection as encountered in low mobility pin-junction devices leads to deviations from the reciprocity, while it still holds for most pn-junction solar cells. The

  3. Devil's in the (diffuse) detail

    International Nuclear Information System (INIS)

    Welberry, R.

    2006-07-01

    X-ray crystallography is an important workhorse in the world of solid-state chemistry. However, while it's a powerful tool in determining the average structure in a crystal lattice, conventional crystallography is very limited when it comes to understanding nano-scale disorder within that crystal structure. And when it comes to understanding the properties of many important materials, the devil is in the detail. X-ray diffraction is still one of the keys to understanding this finer scale structure but using it requires a capacity to read between the lines - to understand the diffuse diffraction that most crystallography ignores. Scientists at the Research School of Chemistry are leading the world in this field. Their work on modelling nano-scaled disorder using diffuse diffraction is opening up new possibilities in understanding and modifying many of our most important materials

  4. “Influence Method”. Detailed mathematical description

    International Nuclear Information System (INIS)

    Rios, I.J.; Mayer, R.E.

    2015-01-01

    A new method for the absolute determination of nuclear particle flux in the absence of known detector efficiency, the “Influence Method”, was recently published (I.J. Rios and R.E. Mayer, Nuclear Instruments & Methods in Physics Research A 775 (2015) 99–104). The method defines an estimator for the population and another estimator for the efficiency. In this article we present a detailed mathematical description which yields the conditions for its application, the probability distributions of the estimators and their characteristic parameters. An analysis of the different cases leads to expressions of the estimators and their uncertainties. - Highlights: • “Influence Method”, a new method for absolute particle flux determination. • Absolute counting method when detector efficiencies are not known. • Absolute detector efficiency determination

  5. IPUMS: Detailed global data on population characteristics

    Science.gov (United States)

    Kugler, T.

    2017-12-01

    Many new and exciting sources of data on human population distributions based on remote sensing, mobile technology, and other mechanisms are becoming available. These new data sources often provide fine scale spatial and/or temporal resolution. However, they typically focus on the location of population, with little or no information on population characteristics. The large and growing collection of data available through the IPUMS family of products complements datasets that provide spatial and temporal detail but little attribute detail by providing the full depth of characteristics covered by population censuses, including demographic, household structure, economic, employment, education, and housing characteristics. IPUMS International provides census microdata for 85 countries. Microdata provide the responses to every census question for each individual in a sample of households. Microdata identify the sub-national geographic unit in which a household is located, but for confidentiality reasons, identified units must include a minimum population, typically 20,000 people. Small-area aggregate data often describe much smaller geographic units, enabling study of detailed spatial patterns of population characteristics. However the structure of aggregate data tables is highly heterogeneous across countries, census years, and even topics within a given census, making these data difficult to work with in any systematic way. A recently funded project will assemble small-area aggregate population and agricultural census data published by national statistical offices. Through preliminary work collecting and cataloging over 10,000 tables, we have identified a small number of structural families that can be used to organize the many different structures. These structural families will form the basis for software tools to document and standardize the tables for ingest into a common database. Both the microdata and aggregate data are made available through IPUMS Terra

  6. Distributed creativity

    DEFF Research Database (Denmark)

    Glaveanu, Vlad Petre

    This book challenges the standard view that creativity comes only from within an individual by arguing that creativity also exists ‘outside’ of the mind or more precisely, that the human mind extends through the means of action into the world. The notion of ‘distributed creativity’ is not commonly...... used within the literature and yet it has the potential to revolutionise the way we think about creativity, from how we define and measure it to what we can practically do to foster and develop creativity. Drawing on cultural psychology, ecological psychology and advances in cognitive science......, this book offers a basic framework for the study of distributed creativity that considers three main dimensions of creative work: sociality, materiality and temporality. Starting from the premise that creativity is distributed between people, between people and objects and across time, the book reviews...

  7. Rainfall: State of the Science

    Science.gov (United States)

    Testik, Firat Y.; Gebremichael, Mekonnen

    Rainfall: State of the Science offers the most up-to-date knowledge on the fundamental and practical aspects of rainfall. Each chapter, self-contained and written by prominent scientists in their respective fields, provides three forms of information: fundamental principles, detailed overview of current knowledge and description of existing methods, and emerging techniques and future research directions. The book discusses • Rainfall microphysics: raindrop morphodynamics, interactions, size distribution, and evolution • Rainfall measurement and estimation: ground-based direct measurement (disdrometer and rain gauge), weather radar rainfall estimation, polarimetric radar rainfall estimation, and satellite rainfall estimation • Statistical analyses: intensity-duration-frequency curves, frequency analysis of extreme events, spatial analyses, simulation and disaggregation, ensemble approach for radar rainfall uncertainty, and uncertainty analysis of satellite rainfall products The book is tailored to be an indispensable reference for researchers, practitioners, and graduate students who study any aspect of rainfall or utilize rainfall information in various science and engineering disciplines.

  8. Science Programs

    Science.gov (United States)

    Laboratory Delivering science and technology to protect our nation and promote world stability Science & ; Innovation Collaboration Careers Community Environment Science & Innovation Facilities Science Pillars Research Library Science Briefs Science News Science Highlights Lab Organizations Science Programs Applied

  9. Detailed Astrometric Analysis of Pluto

    Science.gov (United States)

    ROSSI, GUSTAVO B.; Vieira-Martins, R.; Camargo, J. I.; Assafin, M.

    2013-05-01

    Abstract (2,250 Maximum Characters): Pluto is the main representant of the transneptunian objects (TNO's), presenting some peculiarities such as an atmosphere and a satellite system with 5 known moons: Charon, discovered in 1978, Nix and Hydra, in 2006, P4 in 2011 and P5 in 2012. Until the arrival of the New Horizons spacecraft to this system (july 2015), stellar occultations are the most efficient method, from the ground, to know physical and dinamical properties of this system. In 2010, it was evident a drift in declinations (about 20 mas/year) comparing to the ephemerides. This fact motivated us to remake the reductions and analysis of a great set of our observations at OPD/LNA, in a total of 15 years. The ephemerides and occultations results was then compared with the astrometric and photometric reductions of CCD images of Pluto (around 6500 images). Two corrections were used for a refinement of the data set: diferential chromatic refraction and photocenter. The first is due to the mean color of background stars beeing redder than the color of Pluto, resulting in a slightly different path of light through the atmosphere (that may cause a difference in position of 0.1”). It became more evident because Pluto is crossing the region of the galactic plane. The photocenter correction is based on two gaussians curves overlapped, with different hights and non-coincident centers, corresponding to Pluto and Charon (since they have less than 1” of angular separation). The objective is to separate these two gaussian curves from the observed one and find the right position of Pluto. The method is strongly dependent of the hight of each of the gaussian curves, related to the respective albedos of charon and Pluto. A detailed analysis of the astrometric results, as well a comparison with occultation results was made. Since Pluto has an orbital period of 248,9 years and our interval of observation is about 15 years, we have around 12% of its observed orbit and also, our

  10. Science packages

    Science.gov (United States)

    1997-01-01

    Primary science teachers in Scotland have a new updating method at their disposal with the launch of a package of CDi (Compact Discs Interactive) materials developed by the BBC and the Scottish Office. These were a response to the claim that many primary teachers felt they had been inadequately trained in science and lacked the confidence to teach it properly. Consequently they felt the need for more in-service training to equip them with the personal understanding required. The pack contains five disks and a printed user's guide divided up as follows: disk 1 Investigations; disk 2 Developing understanding; disks 3,4,5 Primary Science staff development videos. It was produced by the Scottish Interactive Technology Centre (Moray House Institute) and is available from BBC Education at £149.99 including VAT. Free Internet distribution of science education materials has also begun as part of the Global Schoolhouse (GSH) scheme. The US National Science Teachers' Association (NSTA) and Microsoft Corporation are making available field-tested comprehensive curriculum material including 'Micro-units' on more than 80 topics in biology, chemistry, earth and space science and physics. The latter are the work of the Scope, Sequence and Coordination of High School Science project, which can be found at http://www.gsh.org/NSTA_SSandC/. More information on NSTA can be obtained from its Web site at http://www.nsta.org.

  11. Detailed modeling of superconducting magnetic energy storage (SMES) system

    NARCIS (Netherlands)

    Chen, L.; Liu, Y.; Arsoy, A.B.; Ribeiro, P.F.; Steurer, M.; Iravani, M.R.

    2006-01-01

    This paper presents a detailed model for simulation of a Superconducting Magnetic Energy Storage (SMES) system. SMES technology has the potential to bring real power storage characteristic to the utility transmission and distribution systems. The principle of SMES system operation is reviewed in

  12. Science and Science Fiction

    Science.gov (United States)

    Oravetz, David

    2005-01-01

    This article is for teachers looking for new ways to motivate students, increase science comprehension, and understanding without using the old standard expository science textbook. This author suggests reading a science fiction novel in the science classroom as a way to engage students in learning. Using science fiction literature and language…

  13. Results of Detailed Hydrologic Characterization Tests - Fiscal Year 2000

    International Nuclear Information System (INIS)

    Spane, Frank A; Thorne, Paul D; Newcomer, Darrell R

    2001-01-01

    This report provides the results of detailed hydrologic characterization tests conducted within eleven Hanford Site wells during fiscal year 2000. Detailed characterization tests performed included groundwater-flow characterization; barometric response evaluation; slug tests; single-well tracer tests; constant-rate pumping tests; and in-well, vertical flow tests. Hydraulic property estimates obtained from the detailed hydrologic tests include transmissivity; hydraulic conductivity; specific yield; effective porosity; in-well, lateral flow velocity; aquifer-flow velocity; vertical distribution of hydraulic conductivity (within the well-screen section); and in-well, vertical flow velocity. In addition, local groundwater-flow characteristics (i.e., hydraulic gradient and flow direction) were determined for four sites where detailed well testing was performed

  14. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. V K Gaur. Articles written in Journal of Earth System Science. Volume 109 Issue 1 March 2000 pp 1-3. Editorial · V K Gaur · More Details Fulltext PDF. Volume 109 Issue 4 December 2000 pp 393-394. Editorial · V K Gaur · More Details Fulltext PDF. Volume 112 Issue 3 ...

  15. Quasihomogeneous distributions

    CERN Document Server

    von Grudzinski, O

    1991-01-01

    This is a systematic exposition of the basics of the theory of quasihomogeneous (in particular, homogeneous) functions and distributions (generalized functions). A major theme is the method of taking quasihomogeneous averages. It serves as the central tool for the study of the solvability of quasihomogeneous multiplication equations and of quasihomogeneous partial differential equations with constant coefficients. Necessary and sufficient conditions for solvability are given. Several examples are treated in detail, among them the heat and the Schrödinger equation. The final chapter is devoted to quasihomogeneous wave front sets and their application to the description of singularities of quasihomogeneous distributions, in particular to quasihomogeneous fundamental solutions of the heat and of the Schrödinger equation.

  16. Template Assembly for Detailed Urban Reconstruction

    KAUST Repository

    Nan, Liangliang; Wonka, Peter; Ghanem, Bernard; Jiang, Caigui

    2015-01-01

    Structure from Motion and Multi View Stereo, and we model a set of 3D templates of facade details. Next, we optimize the initial coarse model to enforce consistency between geometry and appearance (texture images). Then, building details are reconstructed

  17. Polonium-210 in Euphauslids: A Detailed Study

    Energy Technology Data Exchange (ETDEWEB)

    Heyraud, M.; Fowler, S. W.; Beasley, T. M.; Cherry, R. D.

    1976-07-01

    A detailed study of {sup 210}Po, the predominant alpha-emitting nuclide found in most marine organisms, has been undertaken in a particular zooplanktonic species, the euphausiid Meganyctiphanes norvegica. The purpose was to obtain information concerning the origin, the localization and the flux of the nuclide in and through this organism. Measurements of {sup 210}Po were made in euphausiids of different sizes, in dissected organs and tissues, and in excretion products. The results show higher concentrations in the smaller specimens; this fact cannot be explained on the basis of surface adsorption, but is probably related to the ingestion of food. Dissection results show that the distribution of {sup 210}Po in euphausiids is not homogeneous, but that the majority is concentrated in the internal organs, the alimentary tract and the hepatopancreas in particular. The natural radiation dose received by these organs is in consequence much higher than that received by the whole animal. Use of a dynamic model allowed the flux of {sup 210}Po through M. norvegica to be calculated. The calculations confirm that food is the principal sauce of {sup 210}Po for this species, and clearly show that fecal pellets constitute the major elimination route. Extrapolation of the data to zooplankton in general leads to the conclusion that zooplankton metabolic activity plays an important role in transporting {sup 210}Po from the surface layers of the ocean to depth. (author)

  18. Polonium-210 in Euphauslids: A Detailed Study

    International Nuclear Information System (INIS)

    Heyraud, M.; Fowler, S.W.; Beasley, T.M.; Cherry, R.D.

    1976-01-01

    A detailed study of 210 Po, the predominant alpha-emitting nuclide found in most marine organisms, has been undertaken in a particular zooplanktonic species, the euphausiid Meganyctiphanes norvegica. The purpose was to obtain information concerning the origin, the localization and the flux of the nuclide in and through this organism. Measurements of 210 Po were made in euphausiids of different sizes, in dissected organs and tissues, and in excretion products. The results show higher concentrations in the smaller specimens; this fact cannot be explained on the basis of surface adsorption, but is probably related to the ingestion of food. Dissection results show that the distribution of 210 Po in euphausiids is not homogeneous, but that the majority is concentrated in the internal organs, the alimentary tract and the hepatopancreas in particular. The natural radiation dose received by these organs is in consequence much higher than that received by the whole animal. Use of a dynamic model allowed the flux of 210 Po through M. norvegica to be calculated. The calculations confirm that food is the principal sauce of 210 Po for this species, and clearly show that fecal pellets constitute the major elimination route. Extrapolation of the data to zooplankton in general leads to the conclusion that zooplankton metabolic activity plays an important role in transporting 210 Po from the surface layers of the ocean to depth. (author)

  19. Polonium-210 in euphausiids: a detailed study

    Energy Technology Data Exchange (ETDEWEB)

    Heyraud, M; Fowler, S W; Beasley, T M; Cherry, R D

    1976-02-13

    A detailed study of /sup 210/Po, the predominant alpha-emitting nuclide found in most marine organisms, has been undertaken in a particular zooplanktonic species, the euphausiid Meganyctiphanes norvegica. Information was obtained concerning the origin, the localization and the flux of the nuclide in and through the organism. Measurements of /sup 210/Po were made in euphausiids of different sizes, in dissected organs and tissues, and in excretion products. The results show higher concentrations in the smaller specimens; this fact cannot be explained on the basis of surface adsorption, but is probably related to the ingestion of food. Dissection results show that the distribution of /sup 210/Po in euphausiids is not homogeneous, but that the majority is concentrated in the internal organs, the alimentary tract and the hepatopancreas in particular. The natural radiation dose received by these organs is in consequence much higher than that received by the whole animal. Use of a dynamic model allowed the flux of /sup 210/Po through M. norvegica to be calculated. The calculations confirm that food is the principal source of /sup 210/Po for this species, and clearly show that fecal pellets constitute the major elimination route. Extrapolation of the data to zooplankton in general leads to the conclusion that zooplankton metabolic activity plays an important role in transporting /sup 210/Po from the surface layers of the ocean to depth. (auth)

  20. Theory and computational science

    International Nuclear Information System (INIS)

    Durham, P.

    1985-01-01

    The theoretical and computational science carried out at the Daresbury Laboratory in 1984/5 is detailed in the Appendix to the Daresbury Annual Report. The Theory, Computational Science and Applications Groups, provide support work for the experimental projects conducted at Daresbury. Use of the FPS-164 processor is also described. (U.K.)

  1. Monte Carlo methods beyond detailed balance

    NARCIS (Netherlands)

    Schram, Raoul D.; Barkema, Gerard T.|info:eu-repo/dai/nl/101275080

    2015-01-01

    Monte Carlo algorithms are nearly always based on the concept of detailed balance and ergodicity. In this paper we focus on algorithms that do not satisfy detailed balance. We introduce a general method for designing non-detailed balance algorithms, starting from a conventional algorithm satisfying

  2. Regulation No. 100/2006 Coll. of the Ministry of Health of the Slovak Republic dated as of February 6, 2006 laying down the requirements for natural healing water and natural mineral water, Balneology details of the report, distribution, extent of monitoring and content analysis of natural healing waters and natural mineral waters and their products and requirements for entry to the list of accredited laboratories maintained by the State Commission bathroom

    International Nuclear Information System (INIS)

    2006-01-01

    This Regulation provides: (a) requirements for natural healing water and natural mineral water; (b) requirements for the recognition of natural mineral water; (c) details of balneology report; (d) distribution of natural healing waters and natural mineral water; (e) the extent of tracking of natural healing waters and natural mineral waters and their products; (f) content analysis of natural healing waters and natural mineral waters and their products; (g) registration requirements for accredited laboratories in the list maintained by the State Commission bathroom. This Regulation came into force on March 1, 2006.

  3. Energy performance of a 1.2 MWp photovoltaic system distributed over nine buildings at Utrecht University campus

    NARCIS (Netherlands)

    van Sark, W.G.J.H.M.; de Waal, A.C.; Uithol, Jasper; Dols, Niekol; Houben, Frederique; Kuepers, Richarrd; Sterrenburg, Michiel; van Lith, Benno; Benjamin, Ferry

    2017-01-01

    A distributed PV system comprising of eight subsystems on separate buildings totaling an installed capacity of 1.2 MWp has been realized at buildings of the Utrecht University campus Utrecht Science Park. A detailed design process was followed taking into account the presence of surrounding

  4. Science and data science.

    Science.gov (United States)

    Blei, David M; Smyth, Padhraic

    2017-08-07

    Data science has attracted a lot of attention, promising to turn vast amounts of data into useful predictions and insights. In this article, we ask why scientists should care about data science. To answer, we discuss data science from three perspectives: statistical, computational, and human. Although each of the three is a critical component of data science, we argue that the effective combination of all three components is the essence of what data science is about.

  5. Soviet science

    International Nuclear Information System (INIS)

    Medvedev, Z.A.

    1979-01-01

    In this brief history of science in the Soviet Union the emphasis is on the interaction between scientific and technological developments and the political objectives of the Soviet government Reference is made to the development of nuclear energy for military and for peaceful purposes. In an appendix, a rather detailed account is given of a 'nuclear disaster in the South Urals area'; reference is made to ecological, genetic and population researches in the areas contaminated by long-lived products of radioactive waste (e.g. Sr-90 and Cs-137). Section headings are: lakes; mammals; population genetics and radiation genetics (covering plants, animals and soil activity). (U.K.)

  6. Science Night

    CERN Multimedia

    2004-01-01

    Would it surprise you to know that you can measure the speed of light using chocolate and a microwave oven? If you're interested in this and in finding out much more, come along to the Museum of the History of Science on 3 and 4 July 2004, when dozens of companies, institutions, colleges and organizations will be running exhibits, shows, and displays on the theme of counting and measuring. CERN will be there with a display stand that includes two particle detectors. Full details are available from the Museum website at: http://www.lanuitdelascience.ch/

  7. Resonance – Journal of Science Education | News

    Indian Academy of Sciences (India)

    Science Smiles · Ayan Guha · More Details Fulltext PDF. pp 4-5 Table of Contents. Table of Contents · More Details Fulltext PDF. pp 6-10 Series Article. Dawn of Science - Measuring the Heavens · T Padmanabhan · More Details Fulltext PDF. pp 11-22 General Article. Antoine-Laurent Lavoisier · Gopalpur Nagendrappa.

  8. Detailed study of nuclear charge and mass densities. Pt. 1

    International Nuclear Information System (INIS)

    Berdichevsky, D.; Mosel, U.

    1982-01-01

    Theoretical and experimental densities are analyzed and compared in detail, in particular in the surface region. For this purpose nuclear size parameters are discussed and new sets of surface parameters are proposed. It is shown that the densities are very close to the error function in the external part of the surface and can be characterized there by two new parameters. For very large r the densities show an exponential behaviour which is analyzed in terms of single-particle density distributions. Furthermore, the effects of the asymmetry, spin-orbit and Coulomb forces on the density distributions are discussed. (orig.)

  9. actuar: An R Package for Actuarial Science

    Directory of Open Access Journals (Sweden)

    Christophe Dutang

    2008-02-01

    Full Text Available actuar is a package providing additional Actuarial Science functionality to the R statistical system. The project was launched in 2005 and the package is available on the Comprehensive R Archive Network since February 2006. The current version of the package contains functions for use in the fields of loss distributions modeling, risk theory (including ruin theory, simulation of compound hierarchical models and credibility theory. This paper presents in detail but with few technical terms the most recent version of the package.

  10. Clinical professional governance for detailed clinical models.

    Science.gov (United States)

    Goossen, William; Goossen-Baremans, Anneke

    2013-01-01

    This chapter describes the need for Detailed Clinical Models for contemporary Electronic Health Systems, data exchange and data reuse. It starts with an explanation of the components related to Detailed Clinical Models with a brief summary of knowledge representation, including terminologies representing clinic relevant "things" in the real world, and information models that abstract these in order to let computers process data about these things. Next, Detailed Clinical Models are defined and their purpose is described. It builds on existing developments around the world and accumulates in current work to create a technical specification at the level of the International Standards Organization. The core components of properly expressed Detailed Clinical Models are illustrated, including clinical knowledge and context, data element specification, code bindings to terminologies and meta-information about authors, versioning among others. Detailed Clinical Models to date are heavily based on user requirements and specify the conceptual and logical levels of modelling. It is not precise enough for specific implementations, which requires an additional step. However, this allows Detailed Clinical Models to serve as specifications for many different kinds of implementations. Examples of Detailed Clinical Models are presented both in text and in Unified Modelling Language. Detailed Clinical Models can be positioned in health information architectures, where they serve at the most detailed granular level. The chapter ends with examples of projects that create and deploy Detailed Clinical Models. All have in common that they can often reuse materials from earlier projects, and that strict governance of these models is essential to use them safely in health care information and communication technology. Clinical validation is one point of such governance, and model testing another. The Plan Do Check Act cycle can be applied for governance of Detailed Clinical Models

  11. A detailed framework to incorporate dust in hydrodynamical simulations

    OpenAIRE

    Grassi, Tommaso; Bovino, S.; Haugbølle, Troels; Schleicher, Dominik R. G.

    2017-01-01

    Dust plays a key role in the evolution of the ISM and its correct modelling in numerical simulations is therefore fundamental. We present a new and self-consistent model that treats grain thermal coupling with the gas, radiation balance, and surface chemistry for molecular hydrogen. This method can be applied to any dust distribution with an arbitrary number of grain types without affecting the overall computational cost. In this paper we describe in detail the physics and the algorithm behin...

  12. Science in Science Fiction.

    Science.gov (United States)

    Allday, Jonathan

    2003-01-01

    Offers some suggestions as to how science fiction, especially television science fiction programs such as "Star Trek" and "Star Wars", can be drawn into physics lessons to illuminate some interesting issues. (Author/KHR)

  13. Visual Memory : The Price of Encoding Details

    NARCIS (Netherlands)

    Nieuwenstein, Mark; Kromm, Maria

    2017-01-01

    Studies on visual long-term memory have shown that we have a tremendous capacity for remembering pictures of objects, even at a highly detailed level. What remains unclear, however, is whether encoding objects at such a detailed level comes at any cost. In the current study, we examined how the

  14. Understanding brains: details, intuition, and big data.

    Science.gov (United States)

    Marder, Eve

    2015-05-01

    Understanding how the brain works requires a delicate balance between the appreciation of the importance of a multitude of biological details and the ability to see beyond those details to general principles. As technological innovations vastly increase the amount of data we collect, the importance of intuition into how to analyze and treat these data may, paradoxically, become more important.

  15. Understanding Brains: Details, Intuition, and Big Data

    OpenAIRE

    Marder, Eve

    2015-01-01

    Understanding how the brain works requires a delicate balance between the appreciation of the importance of a multitude of biological details and the ability to see beyond those details to general principles. As technological innovations vastly increase the amount of data we collect, the importance of intuition into how to analyze and treat these data may, paradoxically, become more important.

  16. Understanding brains: details, intuition, and big data.

    Directory of Open Access Journals (Sweden)

    Eve Marder

    2015-05-01

    Full Text Available Understanding how the brain works requires a delicate balance between the appreciation of the importance of a multitude of biological details and the ability to see beyond those details to general principles. As technological innovations vastly increase the amount of data we collect, the importance of intuition into how to analyze and treat these data may, paradoxically, become more important.

  17. WFIRST Project Science Activities

    Science.gov (United States)

    Gehrels, Neil

    2012-01-01

    The WFIRST Project is a joint effort between GSFC and JPL. The project scientists and engineers are working with the community Science Definition Team to define the requirements and initial design of the mission. The objective is to design an observatory that meets the WFIRST science goals of the Astr02010 Decadal Survey for minimum cost. This talk will be a report of recent project activities including requirements flowdown, detector array development, science simulations, mission costing and science outreach. Details of the interim mission design relevant to scientific capabilities will be presented.

  18. Older adults report moderately more detailed autobiographical memories.

    Science.gov (United States)

    Gardner, Robert S; Mainetti, Matteo; Ascoli, Giorgio A

    2015-01-01

    Autobiographical memory (AM) is an essential component of the human mind. Although the([A-z]+) amount and types of subjective detail (content) that compose AMs constitute important dimensions of recall, age-related changes in memory content are not well characterized. Previously, we introduced the Cue-Recalled Autobiographical Memory test (CRAM; see http://cramtest.info), an instrument that collects subjective reports of AM content, and applied it to college-aged subjects. CRAM elicits AMs using naturalistic word-cues. Subsequently, subjects date each cued AM to a life period and count the number of remembered details from specified categories (features), e.g., temporal detail, spatial detail, persons, objects, and emotions. The current work applies CRAM to a broad range of individuals (18-78 years old) to quantify the effects of age on AM content. Subject age showed a moderately positive effect on AM content: older compared with younger adults reported ∼16% more details (∼25 vs. ∼21 in typical AMs). This age-related increase in memory content was similarly observed for remote and recent AMs, although content declined with the age of the event among all subjects. In general, the distribution of details across features was largely consistent among younger and older adults. However, certain types of details, i.e., those related to objects and sequences of events, contributed more to the age effect on content. Altogether, this work identifies a moderate age-related feature-specific alteration in the way life events are subjectively recalled, among an otherwise stable retrieval profile.

  19. Older adults report moderately more detailed autobiographical memories

    Directory of Open Access Journals (Sweden)

    Robert S Gardner

    2015-05-01

    Full Text Available Autobiographical memory (AM is an essential component of the human mind. Although the amount and types of subjective detail (content that compose AMs constitute important dimensions of recall, age-related changes in memory content are not well characterized. Previously, we introduced the Cue-Recalled Autobiographical Memory test (CRAM; see http://cramtest.info, an instrument that collects subjective reports of AM content, and applied it to college-aged subjects. CRAM elicits AMs using naturalistic word-cues. Subsequently, subjects date each cued AM to a life period and count the number of remembered details from specified categories (features, e.g., temporal detail, spatial detail, persons, objects, and emotions. The current work applies CRAM to a broad range of individuals (18-78 years old to quantify the effects of age on AM content. Subject age showed a moderately positive effect on AM content: older compared with younger adults reported ~16% more details (~25 vs. ~21 in typical AMs. This age-related increase in memory content was similarly observed for remote and recent AMs, although content declined with the age of the event among all subjects. In general, the distribution of details across features was largely consistent among younger and older adults. However, certain types of details, i.e., those related to objects and sequences of events, contributed more to the age effect on content. Altogether, this work identifies a moderate age-related feature-specific alteration in the way life events are subjectively recalled, among an otherwise stable retrieval profile.

  20. Aerosol science: theory and practice

    International Nuclear Information System (INIS)

    Williams, M.M.R.; Loyalka, S.K.

    1991-01-01

    The purpose of this book is twofold. First, it is intended to give a thorough treatment of the fundamentals of aerosol behavior with rigorous proofs and detailed derivations of the basic equations and removal mechanisms. Second, it is intended to provide practical examples with special attention to radioactive particles and their distribution in size following a radioactive release arising from an accident with a nuclear system. We start with a brief introduction to the applications of aerosol science and the characteristics of aerosols in Chapter 1. In Chapter 2, we devote considerable attention to single and two particle motion with respect to both translation and rotation. Chapter 3 contains extensive discussion of the aerosol general dynamical equation and the dependences of aerosol distributions on size, shape, space, composition, radioactivity, and charge. Important particle rate processes of coagulation, condensation, and deposition/resuspension are discussed in the chapters 4, 6 and 7, respectively. In Chapter 5, we provide a thorough treatment of the analytical and numerical methods used in solving the various forms of the aerosol dynamical equation. We discuss the importance and applications of aerosol science to nuclear technology and, in particular, the nuclear source term in Chapter 8. Our focus in this chapter is on discussions of nuclear accidents that can potentially release large amount of radioactivity to environment. We also discuss the progress that has been made in understanding the natural and engineered aerosol processes that limit or affect such releases. (author)

  1. Resonance – Journal of Science Education | News

    Indian Academy of Sciences (India)

    Home; Journals; Resonance – Journal of Science Education. Website Reviews. Articles in Resonance – Journal of Science Education. Volume 4 Issue 8 August 1999 pp 91-93 Website Reviews. Website Review · Harini Nagendra · More Details Fulltext PDF ...

  2. Resonance – Journal of Science Education | News

    Indian Academy of Sciences (India)

    Science Academies' Refresher Course on Theoretical Structural Geology, Crystallography, Mineralogy, Thermodynamics, Experimental Petrology and Theoretical Geophysics · More Details Abstract Fulltext PDF. pp 816-816 Information and Announcements. Science Academies' Refresher Course in Foundations of ...

  3. The impact of human-technology cooperation and distributed cognition in forensic science: biasing effects of AFIS contextual information on human experts*

    OpenAIRE

    Dror, Itiel E.; Wertheim, Kasey; Fraser-Mackenzie, Peter; Walajtys, Jeff

    2012-01-01

    Experts play a critical role in forensic decision making, even when cognition is offloaded and distributed between human and machine. In this paper, we investigated the impact of using Automated Fingerprint Identification Systems (AFIS) on human decision makers. We provided 3680 AFIS lists (a total of 55,200 comparisons) to 23 latent fingerprint examiners as part of their normal casework. We manipulated the position of the matching print in the AFIS list. The data showed that latent fingerpri...

  4. Post Entitlement Management Information - Detail Database

    Data.gov (United States)

    Social Security Administration — Contains data that supports the detailed and aggregate receipt, pending and clearance data, as well as other strategic and tactical MI for many Title II and Title...

  5. Detailed Safety Review of Anthrax Vaccine Adsorbed

    National Research Council Canada - National Science Library

    2001-01-01

    To date, 18 human studies have assessed the safety of anthrax vaccination. These studies, some stretching back almost 50 years, reported adverse events after vaccination in varying degrees of detail...

  6. Cleaner combustion developing detailed chemical kinetic models

    CERN Document Server

    Battin-Leclerc, Frédérique; Simmie, John M

    2013-01-01

    This book describes the reactive chemistry of minor pollutants within extensively validated detailed mechanisms for traditional fuels, and also for innovative surrogates, describing the complex chemistry of new, environmentally important bio-fuels.

  7. Template Assembly for Detailed Urban Reconstruction

    KAUST Repository

    Nan, Liangliang

    2015-05-04

    We propose a new framework to reconstruct building details by automatically assembling 3D templates on coarse textured building models. In a preprocessing step, we generate an initial coarse model to approximate a point cloud computed using Structure from Motion and Multi View Stereo, and we model a set of 3D templates of facade details. Next, we optimize the initial coarse model to enforce consistency between geometry and appearance (texture images). Then, building details are reconstructed by assembling templates on the textured faces of the coarse model. The 3D templates are automatically chosen and located by our optimization-based template assembly algorithm that balances image matching and structural regularity. In the results, we demonstrate how our framework can enrich the details of coarse models using various data sets.

  8. Earth Science: It's All about the Processes

    Science.gov (United States)

    King, Chris

    2013-01-01

    Readers of the draft new English primary science curriculum (DfE, 2012) might be concerned to see that there is much more detail on the Earth science content than previously in the United Kingdom. In this article, Chris King, a professor of Earth Science Education at Keele University and Director of the Earth Science Education Unit (ESEU),…

  9. Numerical optimization of conical flow waveriders including detailed viscous effects

    Science.gov (United States)

    Bowcutt, Kevin G.; Anderson, John D., Jr.; Capriotti, Diego

    1987-01-01

    A family of optimized hypersonic waveriders is generated and studied wherein detailed viscous effects are included within the optimization process itself. This is in contrast to previous optimized waverider work, wherein purely inviscid flow is used to obtain the waverider shapes. For the present waveriders, the undersurface is a streamsurface of an inviscid conical flowfield, the upper surface is a streamsurface of the inviscid flow over a tapered cylinder (calculated by the axisymmetric method of characteristics), and the viscous effects are treated by integral solutions of the boundary layer equations. Transition from laminar to turbulent flow is included within the viscous calculations. The optimization is carried out using a nonlinear simplex method. The resulting family of viscous hypersonic waveriders yields predicted high values of lift/drag, high enough to break the L/D barrier based on experience with other hypersonic configurations. Moreover, the numerical optimization process for the viscous waveriders results in distinctly different shapes compared to previous work with inviscid-designed waveriders. Also, the fine details of the viscous solution, such as how the shear stress is distributed over the surface, and the location of transition, are crucial to the details of the resulting waverider geometry. Finally, the moment coefficient variations and heat transfer distributions associated with the viscous optimized waveriders are studied.

  10. Information Science: Science or Social Science?

    OpenAIRE

    Sreeramana Aithal; Paul P.K.,; Bhuimali A.

    2017-01-01

    Collection, selection, processing, management, and dissemination of information are the main and ultimate role of Information Science and similar studies such as Information Studies, Information Management, Library Science, and Communication Science and so on. However, Information Science deals with some different characteristics than these subjects. Information Science is most interdisciplinary Science combines with so many knowledge clusters and domains. Information Science is a broad disci...

  11. A Survey on Distributed Filtering and Fault Detection for Sensor Networks

    Directory of Open Access Journals (Sweden)

    Hongli Dong

    2014-01-01

    Full Text Available In recent years, theoretical and practical research on large-scale networked systems has gained an increasing attention from multiple disciplines including engineering, computer science, and mathematics. Lying in the core part of the area are the distributed estimation and fault detection problems that have recently been attracting growing research interests. In particular, an urgent need has arisen to understand the effects of distributed information structures on filtering and fault detection in sensor networks. In this paper, a bibliographical review is provided on distributed filtering and fault detection problems over sensor networks. The algorithms employed to study the distributed filtering and detection problems are categorised and then discussed. In addition, some recent advances on distributed detection problems for faulty sensors and fault events are also summarized in great detail. Finally, we conclude the paper by outlining future research challenges for distributed filtering and fault detection for sensor networks.

  12. DETAILED MODELLING OF CHARGING BEHAVIOUR OF SMART SOLAR TANKS

    DEFF Research Database (Denmark)

    Fan, Jianhua; Andersen, Elsa; Furbo, Simon

    2010-01-01

    The charging behaviour of smart solar tanks for solar combisystems for one-family houses is investigated with detailed Computational Fluid Dynamics (CFD) modelling and Particle Image Velocimetry (PIV) measurements. The smart solar tank can be charged with a variable auxiliary volume fitted...... or by an electric heating element in a side-arm mounted on the side of the tank. Detailed CFD models of the smart tanks are built with different mesh densities in the tank and in the side-arm. The thermal conditions of the tank during charging are calculated with the CFD models. The fluid flow and temperature...... by the mesh densities, the distribution of computational cells, the physical model and time steps used in the simulations. The findings of the investigations will be used as guidance for creation of CFD models for optimal design of smart solar tanks....

  13. Making detailed predictions makes (some) predictions worse

    Science.gov (United States)

    Kelly, Theresa F.

    In this paper, we investigate whether making detailed predictions about an event makes other predictions worse. Across 19 experiments, 10,895 participants, and 415,960 predictions about 724 professional sports games, we find that people who made detailed predictions about sporting events (e.g., how many hits each baseball team would get) made worse predictions about more general outcomes (e.g., which team would win). We rule out that this effect is caused by inattention or fatigue, thinking too hard, or a differential reliance on holistic information about the teams. Instead, we find that thinking about game-relevant details before predicting winning teams causes people to give less weight to predictive information, presumably because predicting details makes information that is relatively useless for predicting the winning team more readily accessible in memory and therefore incorporated into forecasts. Furthermore, we show that this differential use of information can be used to predict what kinds of games will and will not be susceptible to the negative effect of making detailed predictions.

  14. Air barrier details: How effective are they

    Energy Technology Data Exchange (ETDEWEB)

    A project was initiated to measure the air leakage through three typical details in wood frame walls: the header joist, electric outlets, and window openings. Three construction methods were tested: the poly approach, where a sealed internal polyethylene sheet and caulking provide the air barrier; an external air barrier approach using a continuous vapor permeable membrane sandwiched between two layers of external wall sheathing; and the airtight drywall approach (ADA), where the interior gypsum board finish along with framing and gaskets are the air barrier. Twelve sample panels using each of the three details were built using each of the construction approaches. A traditional wood-frame wall construction detail, with no effort made to create a continuous air barrier, was also built and tested for comparison. The samples were put in a test chamber so that air pressures could create infiltration or exfiltration through the panel under loads similar to those due to wind action. Measurements were made at several stages during construction of each sample to see the effect of different components on the air leakage. Overall, all but the traditional samples and the ADA electrical outlet panel exceeded the current tightness standards for glass and aluminum curtain walls. All three approaches could meet the airtightness standards of the R-2000 program. The total air leakage calculated for each approach is under 20% of that in traditional construction. Of the details tested, window detailing offers the greatest potential for increasing overall airtightness compared to traditional methods. 1 ref., 2 figs., 1 tab.

  15. Sadhana | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    . Volume 40 Issue 1 February 2015 pp 15-33 Electrical and Computer Sciences. Contextual snowflake modelling for pattern warehouse logical design · Vivek Tiwari Ramjeevan Singh Thakur · More Details Abstract Fulltext PDF.

  16. Developing Integrated Remote Sensing and Geographical Information Sciences Procedures to Assess Impacts of Climate Variations on Spatio-Temporal Distribution of Mangroves

    Science.gov (United States)

    Qaisar, Maha

    2016-07-01

    Pakistan's periled treasures of mangroves require protection from devastating anthropogenic activities, which can only be achieved through the identification and management of this habitat. The primary objective of this study is to identify the potential habitat of mangroves along the coastline of Pakistan with the help of Remote Sensing (RS) and Geographical Information System (GIS) techniques. Once the mangroves were identified, species of mangroves need to be separated through Object Based Image Analysis (OBIA) which gave the area of mangroves and non mangroves sites. Later other parameters of Sea Surface Temperature, Sea Surface Salinity, chlorophyll-a along with altimetry data were used to assess the climatic variations on the spatio-temporal distribution of mangroves. Since mangroves provide economical, ecological, biological indication of Coastal Change or Sea Level Rise. Therefore, this provides a strong platform to assess the climatic variations which are posing negative impacts on the mangroves ecosystem. The results indicate that mangroves are present throughout along the coastline, proving that Pakistan is rich in these diverse ecosystems. Pakistan being at important geo strategic position can also benefit from its vast mangroves and other coastal resources such as coral reefs and fish varieties. Moreover, coastal zone management through involvement of the local community and establishment of Marine Protected Area (MPA) is the need of the hour to avoid deforestation of mangroves, which can prove to be deadly damaging for the fish populace since it provides habitats to various marine animals. However, the established relationship among SST, SSS, chlorophyll-a and altimetry data assisted to know the suitable sites for mangroves. But due to enhanced climatic impacts these relationships are distorted which has posed devastating effects on the growth and distribution of mangroves. Study area was Karachi Coast, Pakistan. The total area of Karachi is about 70

  17. Fatigue-Prone Details in Steel Bridges

    Directory of Open Access Journals (Sweden)

    Mohsen Heshmati

    2012-11-01

    Full Text Available This paper reviews the results of a comprehensive investigation including more than 100 fatigue damage cases, reported for steel and composite bridges. The damage cases are categorized according to types of detail. The mechanisms behind fatigue damage in each category are identified and studied. It was found that more than 90% of all reported damage cases are of deformation-induced type and generated by some kind of unintentional or otherwise overlooked interaction between different load-carrying members or systems in the bridge. Poor detailing, with unstiffened gaps and abrupt changes in stiffness at the connections between different members were also found to contribute to fatigue cracking in many details.

  18. Contribution to a Theory of Detailed Design

    DEFF Research Database (Denmark)

    Mortensen, Niels Henrik

    1999-01-01

    It has been recognised, that literature actually do not propose a theory of detailed design. In this paper a theory contribution is proposed, linking part design to organ design and allowing a type of functional reasoning. The proposed theory satisfies our need for explaining the nature of a part...... structure, for support of synthesis of part structure, i.e. detailed design, and our need for digital modelling of part structures.The aim of this paper is to contribute to a design theory valid for detailed design. The proposal is based upon the theory's ability to explain the nature of machine parts...... and assemblies, to support the synthesis of parts and to allow the modelling, especially digital modelling of a part structure. The contribution is based upon Theory of Technical Systems, Hubka, and the Domain Theory, Andreasen. This paper is based on a paper presented at ICED 99, Mortensen, but focus...

  19. Detailed balance and reciprocity in solar cells

    Energy Technology Data Exchange (ETDEWEB)

    Kirchartz, Thomas; Rau, Uwe [IEF5-Photovoltaik, Forschungszentrum Juelich, 52425 Juelich (Germany)

    2008-12-15

    The limiting efficiency of photovoltaic devices follows from the detailed balance of absorption and emission of a diode according to the Shockley-Queisser theory. However, the principle of detailed balance has more implications for the understanding of photovoltaic devices than only defining the efficiency limit. We show how reciprocity relations between carrier collection and dark carrier injection, between electroluminescence emission and photovoltaic quantum efficiency and between open circuit voltage and light emitting diode quantum efficiency all follow from the principle of detailed balance. We also discuss the validity range of the Shockley-Queisser limit and the reciprocity relations. Discussing the validity of the reciprocity relations helps to deepen the understanding of photovoltaic devices and allows us to identify interrelationships between the superposition principle, the diode ideality and the reciprocity relations. (copyright 2008 WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim) (orig.)

  20. Memory for details with self-referencing.

    Science.gov (United States)

    Serbun, Sarah J; Shih, Joanne Y; Gutchess, Angela H

    2011-11-01

    Self-referencing benefits item memory, but little is known about the ways in which referencing the self affects memory for details. Experiment 1 assessed whether the effects of self-referencing operate only at the item, or general, level or whether they also enhance memory for specific visual details of objects. Participants incidentally encoded objects by making judgements in reference to the self, a close other (one's mother), or a familiar other (Bill Clinton). Results indicate that referencing the self or a close other enhances both specific and general memory. Experiments 2 and 3 assessed verbal memory for source in a task that relied on distinguishing between different mental operations (internal sources). The results indicate that self-referencing disproportionately enhances source memory, relative to conditions referencing other people, semantic, or perceptual information. We conclude that self-referencing not only enhances specific memory for both visual and verbal information, but can also disproportionately improve memory for specific internal source details.

  1. Vadose zone transport field study: Detailed test plan for simulated leak tests

    International Nuclear Information System (INIS)

    AL Ward; GW Gee

    2000-01-01

    The US Department of Energy (DOE) Groundwater/Vadose Zone Integration Project Science and Technology initiative was created in FY 1999 to reduce the uncertainty associated with vadose zone transport processes beneath waste sites at DOE's Hanford Site near Richland, Washington. This information is needed not only to evaluate the risks from transport, but also to support the adoption of measures for minimizing impacts to the groundwater and surrounding environment. The principal uncertainties in vadose zone transport are the current distribution of source contaminants and the natural heterogeneity of the soil in which the contaminants reside. Oversimplified conceptual models resulting from these uncertainties and limited use of hydrologic characterization and monitoring technologies have hampered the understanding contaminant migration through Hanford's vadose zone. Essential prerequisites for reducing vadose transport uncertainly include the development of accurate conceptual models and the development or adoption of monitoring techniques capable of delineating the current distributions of source contaminants and characterizing natural site heterogeneity. The Vadose Zone Transport Field Study (VZTFS) was conceived as part of the initiative to address the major uncertainties confronting vadose zone fate and transport predictions at the Hanford Site and to overcome the limitations of previous characterization attempts. Pacific Northwest National Laboratory (PNNL) is managing the VZTFS for DOE. The VZTFS will conduct field investigations that will improve the understanding of field-scale transport and lead to the development or identification of efficient and cost-effective characterization methods. Ideally, these methods will capture the extent of contaminant plumes using existing infrastructure (i.e., more than 1,300 steel-cased boreholes). The objectives of the VZTFS are to conduct controlled transport experiments at well-instrumented field sites at Hanford to

  2. Science, Journalism and Media Logic

    NARCIS (Netherlands)

    Korthagen, Iris

    2016-01-01

    Science journalism is an important distribution channel for the results and insights produced by scientific research, and as such plays an important role in shaping public opinion of science. This prompted the Rathenau Institute to study the state of science journalism. We see journalists as

  3. Science in Schools Project

    Science.gov (United States)

    Waugh, Mike

    As part of a program to increase learning and engagement in science classes 124 Victorian schools are trialing a best practice teaching model. The Science in Schools Research Project is a DEET funded project under the Science in Schools Strategy, developed in response to recent research and policy decisions at national and state levels through which literacy, numeracy and science have been identified as key priorities for learning. This major science research project aims to identify, develop and trial best practice in Science teaching and learning. The Department will then be able to provide clear advice to Victoria's schools that can be adopted and sustained to: * enhance teaching and learning of Science * enhance student learning outcomes in Science at all year levels * increase student access to, and participation in Science learning from Prep through to Year 10, and hence in the VCE as well. The nature of the SiS program will be detailed with specific reference to the innovative programs in solar model cars, robotics and environmental science developed at Forest Hill College in response to this project.

  4. Science of science.

    Science.gov (United States)

    Fortunato, Santo; Bergstrom, Carl T; Börner, Katy; Evans, James A; Helbing, Dirk; Milojević, Staša; Petersen, Alexander M; Radicchi, Filippo; Sinatra, Roberta; Uzzi, Brian; Vespignani, Alessandro; Waltman, Ludo; Wang, Dashun; Barabási, Albert-László

    2018-03-02

    Identifying fundamental drivers of science and developing predictive models to capture its evolution are instrumental for the design of policies that can improve the scientific enterprise-for example, through enhanced career paths for scientists, better performance evaluation for organizations hosting research, discovery of novel effective funding vehicles, and even identification of promising regions along the scientific frontier. The science of science uses large-scale data on the production of science to search for universal and domain-specific patterns. Here, we review recent developments in this transdisciplinary field. Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works.

  5. Local address and emergency contact details

    CERN Multimedia

    2013-01-01

    The HR Department would like to remind members of the personnel that they are responsible for ensuring that their personal data concerning local address and preferred emergency contact details remains valid and up-to-date.   Both are easily accessible via the links below: Local address: https://edh.cern.ch/Document/Personnel/LocalAddressChange   Emergency contacts: https://edh.cern.ch/Document/Personnel/EC   Please take a few minutes to check your details and modify if necessary. Thank you in advance. HR Department Head Office

  6. Severn Barrage project. Detailed report - V. 5

    Energy Technology Data Exchange (ETDEWEB)

    1989-01-01

    Prior to the present programme of work, the effects which a tidal power barrage would have on the region, during both construction and operation, had not been studied in detail. This volume of the Detailed Report therefore represents a significant extension of work into these aspects of the Severn Barrage Project. In the Regional Study, a number of benefits have been identified, some of which may represent net benefits nationally. The economic assessment of both regional and national benefits and costs is presented. The second part of this volume reports on the work done on the Legal Background for the Project. (author).

  7. New science on the Open Science Grid

    Energy Technology Data Exchange (ETDEWEB)

    Pordes, R; Altunay, M; Sehgal, C [Fermi National Accelerator Laboratory, Batavia, IL 60510 (United States); Avery, P [University of Florida, Gainesville, FL 32611 (United States); Bejan, A; Gardner, R; Wilde, M [University of Chicago, Chicago, IL 60607 (United States); Blackburn, K [California Institute of Technology, Pasadena, CA 91125 (United States); Blatecky, A; McGee, J [Renaissance Computing Institute, Chapel Hill, NC 27517 (United States); Kramer, B; Olson, D; Roy, A [Lawrence Berkeley National Laboratory, Berkeley, CA 94720 (United States); Livny, M [University of Wisconsin, Madison, Madison, WI 53706 (United States); Potekhin, M; Quick, R; Wenaus, T [Indiana University, Bloomington, IN 47405 (United States); Wuerthwein, F [University of California, San Diego, La Jolla, CA 92093 (United States)], E-mail: ruth@fnal.gov

    2008-07-15

    The Open Science Grid (OSG) includes work to enable new science, new scientists, and new modalities in support of computationally based research. There are frequently significant sociological and organizational changes required in transformation from the existing to the new. OSG leverages its deliverables to the large-scale physics experiment member communities to benefit new communities at all scales through activities in education, engagement, and the distributed facility. This paper gives both a brief general description and specific examples of new science enabled on the OSG. More information is available at the OSG web site: www.opensciencegrid.org.

  8. New science on the Open Science Grid

    International Nuclear Information System (INIS)

    Pordes, R; Altunay, M; Sehgal, C; Avery, P; Bejan, A; Gardner, R; Wilde, M; Blackburn, K; Blatecky, A; McGee, J; Kramer, B; Olson, D; Roy, A; Livny, M; Potekhin, M; Quick, R; Wenaus, T; Wuerthwein, F

    2008-01-01

    The Open Science Grid (OSG) includes work to enable new science, new scientists, and new modalities in support of computationally based research. There are frequently significant sociological and organizational changes required in transformation from the existing to the new. OSG leverages its deliverables to the large-scale physics experiment member communities to benefit new communities at all scales through activities in education, engagement, and the distributed facility. This paper gives both a brief general description and specific examples of new science enabled on the OSG. More information is available at the OSG web site: www.opensciencegrid.org

  9. Detail in architecture: Between arts & crafts

    Science.gov (United States)

    Dulencin, Juraj

    2016-06-01

    Architectural detail represents an important part of architecture. Not only can it be used as an identifier of a specific building but at the same time enhances the experience of the realized project. Within it lie the signs of a great architect and clues to understanding his or her way of thinking. It is therefore the central topic of a seminar offered to architecture students at the Brno University of Technology. During the course of the semester-long class the students acquaint themselves with atypical architectural details of domestic and international architects by learning to read them, understand them and subsequently draw them by creating architectural blueprints. In other words, by general analysis of a detail the students learn theoretical thinking of its architect who, depending on the nature of the design, had to incorporate a variety of techniques and crafts. Students apply this analytical part to their own architectural detail design. The methodology of the seminar consists of experiential learning by project management and is complemented by a series of lectures discussing a diversity of details as well as materials and technologies required to implement it. The architectural detail design is also part of students' bachelors thesis, therefore, the realistic nature of their blueprints can be verified in the production process of its physical counterpart. Based on their own documentation the students choose the most suitable manufacturing process whether it is supplied by a specific technology or a craftsman. Students actively participate in the production and correct their design proposals in real scale with the actual material. A student, as a future architect, stands somewhere between a client and an artisan, materializes his or her idea and adjusts the manufacturing process so that the final detail fulfills aesthetic consistency and is in harmony with its initial concept. One of the very important aspects of the design is its economic cost, an

  10. Regional and detailed research studies for stone resources in Korea

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1996-12-01

    This report consists of 7 articles. 1) Detail drilling research works on granodiorite stock of Cheanan area near Onyang city in Chungnam province. 2) Regional research studies on granites distributed in Kimje - Jeongeup. 3) Regional survey and feasibility study on diorite rock mass in Kohyeng, Cheonnam province. 4) Regional research study on the stone resources of Hamyang area. 5) A study on variation trends of physical properties of 5 kinds of building stone by means of Weather-Ometer experiment. 6) Borehole radar survey at the granodiorite quarry mine, Cheonan, Chungnam province. 7) Radar velocity tomography in anisotropic media. (author). refs., tabs., figs.

  11. The hydrodynamic description of pseudorapidity distributions at ...

    Indian Academy of Sciences (India)

    College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China ... 2016; accepted 16 December 2016; published online 15 March 2017 ..... The cs dependence of pseudorapidity distributions of the produced ...

  12. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences; Volume 128; Issue 1. Issue front cover thumbnail. Volume 128, Issue 1. January 2016, pages a-164. pp a-d. Contents · More Details Fulltext PDF. pp e-e. General Editorial on Publication Ethics · More Details Fulltext PDF. pp 1-8 Regular Articles. Design and synthesis of ...

  13. Communicating Science

    Science.gov (United States)

    Holland, G. J.; McCaffrey, M. S.; Kiehl, J. T.; Schmidt, C.

    2010-12-01

    We are in an era of rapidly changing communication media, which is driving a major evolution in the modes of communicating science. In the past, a mainstay of scientific communication in popular media was through science “translators”; science journalists and presenters. These have now nearly disappeared and are being replaced by widespread dissemination through, e.g., the internet, blogs, YouTube and journalists who often have little scientific background and sharp deadlines. Thus, scientists are required to assume increasing responsibility for translating their scientific findings and calibrating their communications to non-technical audiences, a task for which they are often ill prepared, especially when it comes to controversial societal issues such as tobacco, evolution, and most recently climate change (Oreskes and Conway 2010). Such issues have been politicized and hi-jacked by ideological belief systems to such an extent that constructive dialogue is often impossible. Many scientists are excellent communicators, to their peers. But this requires careful attention to detail and logical explanation, open acknowledgement of uncertainties, and dispassionate delivery. These qualities become liabilities when communicating to a non-scientific audience where entertainment, attention grabbing, 15 second sound bites, and self assuredness reign (e.g. Olson 2009). Here we report on a program initiated by NCAR and UCAR to develop new approaches to science communication and to equip present and future scientists with the requisite skills. If we start from a sound scientific finding with general scientific consensus, such as the warming of the planet by greenhouse gases, then the primary emphasis moves from the “science” to the “art” of communication. The art cannot have free reign, however, as there remains a strong requirement for objectivity, honesty, consistency, and above all a resistance to advocating particular policy positions. Targeting audience

  14. Structural concepts and details for seismic design

    International Nuclear Information System (INIS)

    Johnson, M.W.; Smietana, E.A.; Murray, R.C.

    1991-01-01

    As a part of the DOE Natural Phenomena Hazards Program, a new manual has been developed, entitled UCRL-CR-106554, open-quotes Structural Concepts and Details for Seismic Design.close quotes This manual describes and illustrates good practice for seismic-resistant design

  15. 16 CFR 1750.5 - Detailed requirements.

    Science.gov (United States)

    2010-01-01

    ... 16 Commercial Practices 2 2010-01-01 2010-01-01 false Detailed requirements. 1750.5 Section 1750.5 Commercial Practices CONSUMER PRODUCT SAFETY COMMISSION REFRIGERATOR SAFETY ACT REGULATIONS STANDARD FOR... directed perpendicularly to the plane of the door and applied anywhere along the latch edge of the inside...

  16. New details emerge from the Einstein files

    CERN Multimedia

    Overbye, D

    2002-01-01

    For many years the FBI spied on Einstein. New details of this surveilance are emerging in "The Einstein File: J. Edgar Hoover's Secret War Against the World's Most Famous Scientist," by Fred Jerome, who sued the government with the help of the Public Citizen Litigation Group to obtain a less censored version of the file (1 page).

  17. Detailed numerical simulations of laser cooling processes

    Science.gov (United States)

    Ramirez-Serrano, J.; Kohel, J.; Thompson, R.; Yu, N.

    2001-01-01

    We developed a detailed semiclassical numerical code of the forces applied on atoms in optical and magnetic fields to increase the understanding of the different roles that light, atomic collisions, background pressure, and number of particles play in experiments with laser cooled and trapped atoms.

  18. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. Raghavendra Ashrit. Articles written in Journal of Earth System Science. Volume 115 Issue 3 June 2006 pp 299-313. Simulation of a Himalayan cloudburst event · Someshwar Das Raghavendra Ashrit M W Moncrieff · More Details Abstract Fulltext PDF. Intense rainfall often ...

  19. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. Piue Ghoshal. Articles written in Journal of Chemical Sciences. Volume 120 Issue 2 March 2008 pp 275-287. Structural transition in alcohol-water binary mixtures: A spectroscopic study · Tuhin Pradhan Piue Ghoshal Ranjit Biswas · More Details Abstract Fulltext PDF.

  20. Proceedings – Mathematical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Proceedings – Mathematical Sciences. A R Aithal. Articles written in Proceedings – Mathematical Sciences. Volume 115 Issue 1 February 2005 pp 93-102. On Two Functionals Connected to the Laplacian in a Class of Doubly Connected Domains in Space-Forms · M H C Anisa A R Aithal · More Details ...

  1. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. Murali Sastry. Articles written in Bulletin of Materials Science. Volume 23 Issue 3 June 2000 pp 159-163 Nanomaterials. A note on the use of ellipsometry for studying the kinetics of formation of self-assembled monolayers · Murali Sastry · More Details Abstract Fulltext PDF.

  2. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. Amit Sinha. Articles written in Bulletin of Materials Science. Volume 24 Issue 6 December 2001 pp 653-657 Bioceramics. Development of calcium phosphate based bioceramics · Amit Sinha A Ingle K R Munim S N Vaidya B P Sharma A N Bhisey · More Details Abstract Fulltext ...

  3. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. Swapan K Pati. Articles written in Journal of Chemical Sciences. Volume 115 Issue 5-6 October-December 2003 pp 533-542. Electrostatic potential profile and nonlinear current in an interacting one-dimensional molecular wire · S Lakshmi Swapan K Pati · More Details ...

  4. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. Tamal Ghosh. Articles written in Journal of Chemical Sciences. Volume 112 Issue 3 June 2000 pp 406-406. Catalytic carboxyester hydrolysis by diaminodiphenols · Tamal Ghosh Rupendranath Banerjee · More Details Fulltext PDF. Volume 116 Issue 1 January 2004 pp 17-20 ...

  5. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. Philippe Bertrand. Articles written in Journal of Chemical Sciences. Volume 121 Issue 4 July 2009 pp 471-479. Biological activities of substituted trichostatic acid derivatives · Cédric Charrier Joëlle Roche Jean-Pierre Gesson Philippe Bertrand · More Details Abstract Fulltext ...

  6. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. Nalini V Purohit. Articles written in Journal of Chemical Sciences. Volume 125 Issue 1 January 2013 pp 165-173. Synthesis and evaluation of some bioactive compounds having oxygen and nitrogen heteroatom · Poonam Yadav Nalini V Purohit · More Details Abstract Fulltext ...

  7. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. D S Prasad. Articles written in Bulletin of Materials Science. Volume 25 Issue 2 April 2002 pp 79-83 Materials Synthesis. Preparation of high purity tellurium by zone refining · N R Munirathnam D S Prasad Ch Sudheer A J Singh T L Prakash · More Details Abstract Fulltext PDF.

  8. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. Ch Sudheer. Articles written in Bulletin of Materials Science. Volume 25 Issue 6 November 2002 pp 545-547. Tellurium purification: various techniques and limitations · D S Prasad Ch Sudheer N R Munirathnam T L Prakash · More Details Abstract Fulltext PDF. Limitations and ...

  9. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. B P Singh. Articles written in Bulletin of Materials Science. Volume 23 Issue 1 February 2000 pp 11-16 Molecular Magnets. Synthesis and magnetic properties of one-dimensional metal oxalate networks as molecular-based magnets · B P Singh B Singh · More Details Abstract ...

  10. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. Manoj Kumar. Articles written in Bulletin of Materials Science. Volume 26 Issue 3 April 2003 pp 335-341 Glasses. Optical absorption and fluorescent behaviour of titanium ions in silicate glasses · Manoj Kumar Aman Uniyal A P S Chauhan S P Singh · More Details Abstract ...

  11. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. K Prasad. Articles written in Bulletin of Materials Science. Volume 27 Issue 6 December 2004 pp 547-553 Glasses and Ceramics. Impedance analysis of Pb2Sb3LaTi5O18 ceramic · C K Suman K Prasad R N P Choudhary · More Details Abstract Fulltext PDF. Polycrystalline ...

  12. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. K Mondal. Articles written in Bulletin of Materials Science. Volume 36 Issue 1 February 2013 pp 51-58. Electrochemical passivation behaviour of nanocrystalline Fe80Si20 coating in borate buffer solution · G Gupta A P Moon K Mondal · More Details Abstract Fulltext PDF.

  13. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. V V S S Sarma. Articles written in Journal of Earth System Science. Volume 109 Issue 2 June 2000 pp 279-283. Controls of dimethyl sulphide in the Bay of Bengal during BOBMEX-Pilot cruise 1998 · D M Shenoy M Dileep Kumar V V S S Sarma · More Details Abstract ...

  14. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. SABRI BAYLAV. Articles written in Bulletin of Materials Science. Volume 41 Issue 2 April 2018 pp 49. Synthesis and characterization of metal ion-imprinted polymers · YASEMIN ISIKVER SABRI BAYLAV · More Details Abstract Fulltext PDF. In this study, ion-imprinted polymeric ...

  15. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. P M Raole. Articles written in Bulletin of Materials Science. Volume 34 Issue 1 February 2011 pp 81-88. Effect of ion beam irradiation on metal particle doped polymer composites · N L Singh Sejal Shah Anjum Qureshi A Tripathi F Singh D K Avasthi P M Raole · More Details ...

  16. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. Anjum Qureshi. Articles written in Bulletin of Materials Science. Volume 29 Issue 6 November 2006 pp 605-609. Analysis of organometallics dispersed polymer composite irradiated with oxygen ions · N L Singh Anjum Qureshi A K Rakshit D K Avasthi · More Details Abstract ...

  17. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. P K Gupta. Articles written in Journal of Earth System Science. Volume 114 Issue 5 October 2005 pp 523-531. Normalized impedance function and the straightforward inversion scheme for magnetotelluric data · Sri Niwas P K Gupta V K Gaur · More Details Abstract Fulltext ...

  18. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. G N Mukherjee. Articles written in Journal of Chemical Sciences. Volume 114 Issue 3 June 2002 pp 163-174 Inorganic and Analytical. Mixed ligand complex formation of Fe with boric acid and typical N-donor multidentate ligands · G N Mukherjee Ansuman Das · More Details ...

  19. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. Y Arthoba Naik. Articles written in Bulletin of Materials Science. Volume 28 Issue 5 August 2005 pp 495-501 Thin Films. A new condensation product for zinc plating from non-cyanide alkaline bath · Y Arthoba Naik T V Venkatesha · More Details Abstract Fulltext PDF.

  20. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. C B S Dutt. Articles written in Journal of Earth System Science. Volume 117 Issue S1 July 2008 pp 243-262. Integrated Campaign for Aerosols, gases and Radiation Budget (ICARB): An overview · K Krishna Moorthy S K Satheesh S Suresh Babu C B S Dutt · More Details ...

  1. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. Dinesh Kumar. Articles written in Bulletin of Materials Science. Volume 25 Issue 6 November 2002 pp 549-551. Semiconductor applications of plasma immersion ion implantation technology · Mukesh Kumar Rajkumar Dinesh Kumar P J George · More Details Abstract Fulltext ...

  2. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. R Murugesan. Articles written in Bulletin of Materials Science. Volume 25 Issue 7 December 2002 pp 613-618 Polymers. Metal oxalate complexes as novel inorganic dopants: Studies on their effect on conducting polyaniline · R Murugesan E Subramanian · More Details ...

  3. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. S Gopalakrishnan. Articles written in Bulletin of Materials Science. Volume 27 Issue 3 June 2004 pp 235-241 Polymers. Synthesis, mechanical, thermal and chemical properties of polyurethanes based on cardanol · C V Mythili A Malar Retna S Gopalakrishnan · More Details ...

  4. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. E Subramanian. Articles written in Bulletin of Materials Science. Volume 25 Issue 7 December 2002 pp 613-618 Polymers. Metal oxalate complexes as novel inorganic dopants: Studies on their effect on conducting polyaniline · R Murugesan E Subramanian · More Details ...

  5. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. S R Dhage. Articles written in Bulletin of Materials Science. Volume 27 Issue 1 February 2004 pp 43-45 Dielectric Materials. Nonlinear – characteristics study of doped SnO2 · S R Dhage V Ravi S K Date · More Details Abstract Fulltext PDF. When tin oxide is doped with ...

  6. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. M Israil. Articles written in Journal of Earth System Science. Volume 117 Issue 3 June 2008 pp 189-200. Magnetotelluric investigations for imaging electrical structure of Garhwal Himalayan corridor, Uttarakhand, India · M Israil D K Tyagi P K Gupta Sri Niwas · More Details ...

  7. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. Arka Rudra. Articles written in Journal of Earth System Science. Volume 123 Issue 5 July 2014 pp 935-941. Molecular composition and paleobotanical origin of Eocene resin from northeast India · Arka Rudra Suryendu Dutta Srinivasan V Raju · More Details Abstract Fulltext ...

  8. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. K Vidyasagar. Articles written in Journal of Chemical Sciences. Volume 112 Issue 3 June 2000 pp 417-417. Solid state chemistry of new polysulphides in A/Sn/S (A = Na, K, Rb) systems · M Suseela Devi K Vidyasagar · More Details Fulltext PDF. Volume 115 Issue 5-6 ...

  9. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. Akshaya K Nayak. Articles written in Journal of Chemical Sciences. Volume 114 Issue 6 December 2002 pp 649-657. Modelling of multifrequency IRMPD for laser isotope separation · Akshaya K Nayak Sisir K Sarkar · More Details Abstract Fulltext PDF. The process of infrared ...

  10. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. Davood Nematollahi. Articles written in Journal of Chemical Sciences. Volume 123 Issue 5 September 2011 pp 709-717. Diversity in electrochemical oxidation of dihydroxybenzenes in the presence of 1-methylindole · Davood Nematollahi Vahid Hedayatfar · More Details ...

  11. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. Raji George. Articles written in Bulletin of Materials Science. Volume 30 Issue 2 April 2007 pp 183-185 Nanomaterials. Synthesis, characterization and gas sensitivity of MoO3 nanoparticles · Arnab Ganguly Raji George · More Details Abstract Fulltext PDF. Nanoparticles of ...

  12. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences. P Balaram. Articles written in Journal of Chemical Sciences. Volume 115 Issue 5-6 October-December 2003 pp 373-400. Non-protein amino acids in peptide design · S Aravinda N Shamala Rituparna S Roy P Balaram · More Details Abstract Fulltext PDF. An overview of the ...

  13. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. R Bajpai. Articles written in Bulletin of Materials Science. Volume 25 Issue 1 February 2002 pp 21-23 Mechanical Properties. Surface modification on PMMA : PVDF polyblend: hardening under chemical environment · R Bajpai V Mishra Pragyesh Agrawal S C Datt · More Details ...

  14. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. A Ganju. Articles written in Journal of Earth System Science. Volume 117 Issue 5 October 2008 pp 575-587. Mountain range specific analog weather forecast model for northwest Himalaya in India · D Singh A Ganju · More Details Abstract Fulltext PDF. Mountain range ...

  15. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. P K Sikdar. Articles written in Journal of Earth System Science. Volume 120 Issue 3 June 2011 pp 435-446. Threat of land subsidence in and around Kolkata City and East Kolkata Wetlands, West Bengal, India · P Sahu P K Sikdar · More Details Abstract Fulltext PDF.

  16. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Tapta Kanchan Roy. Articles written in Journal of Chemical Sciences. Volume 121 Issue 5 September 2009 pp 805-810. Effective harmonic oscillator description of anharmonic molecular vibrations · Tapta Kanchan Roy M Durga Prasad · More Details Abstract Fulltext PDF.

  17. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. K B R Varma. Articles written in Bulletin of Materials Science. Volume 30 Issue 6 December 2007 pp 567-570 Ceramics and Glasses. Microwave synthesis and sintering characteristics of CaCu3Ti4O12 · P Thomas L N Sathapathy K Dwarakanath K B R Varma · More Details ...

  18. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. G Mugesh. Articles written in Journal of Chemical Sciences. Volume 112 Issue 3 June 2000 pp 239-248. Aspects of organochalcogen (S, Se, Te) compounds stabilized by intramolecular coordination · G Mugesh Arunashree Panda Harkesh B Singh · More Details Abstract ...

  19. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. B P Rawat. Articles written in Journal of Earth System Science. Volume 110 Issue 1 March 2001 pp 63-76. Are Majhgawan-Hinota pipe rocks truly group-I kimberlite? Ravi Shanker S Nag A Ganguly A Absar B P Rawat G S Singh · More Details Abstract Fulltext PDF.

  20. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. Manoj Komath. Articles written in Bulletin of Materials Science. Volume 23 Issue 2 April 2000 pp 135-140 Biomaterials. On the development of an apatitic calcium phosphate bone cement · Manoj Komath H K Varma R Sivakumar · More Details Abstract Fulltext PDF.

  1. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. Le Minh Duc. Articles written in Bulletin of Materials Science. Volume 36 Issue 5 October 2013 pp 779-788. Study on photocatalysis of TiO2 nanotubes prepared by methanol-thermal synthesis at low temperature · Chau Thanh Nam Wein-Duo Yang Le Minh Duc · More Details ...

  2. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Asim Bhaumik. Articles written in Journal of Chemical Sciences. Volume 114 Issue 4 August 2002 pp 451-460. Mesoporous titanium phosphates and related molecular sieves: Synthesis, characterization and applications · Asim Bhaumik · More Details Abstract Fulltext PDF.

  3. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. V V Namboodiri. Articles written in Journal of Chemical Sciences. Volume 124 Issue 1 January 2012 pp 177-186. Basic principles of ultrafast Raman loss spectroscopy · N K Rai A Y Lakshmanna V V Namboodiri S Umapathy · More Details Abstract Fulltext PDF. When a light ...

  4. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Umesh S Balpande. Articles written in Journal of Earth System Science. Volume 123 Issue 7 October 2014 pp 1501-1515. Morphometric analysis of Suketi river basin, Himachal Himalaya, India · Anil M Pophare Umesh S Balpande · More Details Abstract Fulltext PDF.

  5. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. K Veera Brahmam. Articles written in Bulletin of Materials Science. Volume 28 Issue 5 August 2005 pp 411-414 Single Crystals. Crystal growth and reflectivity studies of Zn1–MnTe crystals · K Veera Brahmam D Raja Reddy B K Reddy · More Details Abstract Fulltext PDF.

  6. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. José M Sigarreta. Articles written in Proceedings – Mathematical Sciences. Volume 120 Issue 5 November 2010 pp 593-609. Gromov Hyperbolicity in Cartesian Product Graphs · Junior Michel José M Rodríguez José M Sigarreta María Villeta · More Details Abstract ...

  7. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Charusita Chakravarty. Articles written in Journal of Chemical Sciences. Volume 121 Issue 5 September 2009 pp 913-919. Evaluation of collective transport properties of ionic melts from molecular dynamics simulations · Manish Agarwal Charusita Chakravarty · More Details ...

  8. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. Basudeb Datta. Articles written in Proceedings – Mathematical Sciences. Volume 112 Issue 2 May 2002 pp 257-281. Two-Dimensional Weak Pseudomanifolds on Eight Vertices · Basudeb Datta Nandini Nilakantan · More Details Abstract Fulltext PDF. We explicitly ...

  9. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Ashwini Kulkarni. Articles written in Journal of Earth System Science. Volume 121 Issue 1 February 2012 pp 203-210. Impact of global warming on cyclonic disturbances over south Asian region · Savita Patwardhan Ashwini Kulkarni K Krishna Kumar · More Details Abstract ...

  10. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. Zhang Lei. Articles written in Bulletin of Materials Science. Volume 34 Issue 1 February 2011 pp 161-167. Characterization on strength and toughness of welded joint for Q550 steel · Jiang Qinglei Li Yajiang Wang Juan Zhang Lei · More Details Abstract Fulltext PDF. Q550 high ...

  11. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. K Krishna Prasad. Articles written in Journal of Chemical Sciences. Volume 120 Issue 1 January 2008 pp 155-162. Facilitation of peptide fibre formation by arginine-phosphate/carboxylate interactions · K Krishna Prasad Sandeep Verma · More Details Abstract Fulltext PDF.

  12. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. MEGHA GOYAL. Articles written in Proceedings – Mathematical Sciences. Volume 128 Issue 1 March 2018 pp 2 Research Article. On 3-way combinatorial identities · A K AGARWAL MEGHA GOYAL · More Details Abstract Fulltext PDF. In this paper, we provide ...

  13. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. OLIVIA X M YAO. Articles written in Proceedings – Mathematical Sciences. Volume 127 Issue 3 June 2017 pp 393-410 Research Article. New modular relations involving cubes of the Göllnitz–Gordon functions · OLIVIA X M YAO · More Details Abstract Fulltext PDF.

  14. Journal of Earth System Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Earth System Science. S D Kotal. Articles written in Journal of Earth System Science. Volume 117 Issue 2 April 2008 pp 157-168. A Statistical Cyclone Intensity Prediction (SCIP) model for the Bay of Bengal · S D Kotal S K Roy Bhowmik P K Kundu Ananda Kumar Das · More Details Abstract ...

  15. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. S Roy. Articles written in Bulletin of Materials Science. Volume 25 Issue 6 November 2002 pp 513-515. Improved zinc oxide film for gas sensor applications · S Roy S Basu · More Details Abstract Fulltext PDF. Zinc oxide (ZnO) is a versatile material for different commercial ...

  16. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Ali Asgari. Articles written in Journal of Earth System Science. Volume 123 Issue 2 March 2014 pp 365-379. Numerical evaluation of seismic response of shallow foundation on loose silt and silty sand · Ali Asgari Aliakbar Golshani Mohsen Bagheri · More Details Abstract ...

  17. Bulletin of Materials Science | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Bulletin of Materials Science. F Wang. Articles written in Bulletin of Materials Science. Volume 34 Issue 5 August 2011 pp 1033-1037. Synthesis of Mn-doped CeO2 nanorods and their application as humidity sensors · C H Hu C H Xia F Wang M Zhou P F Yin X Y Han · More Details Abstract Fulltext PDF.

  18. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. K R Parthasarathy. Articles written in Proceedings – Mathematical Sciences. Volume 113 Issue 1 February 2003 pp 3-13. A Remark on the Unitary Group of a Tensor Product of Finite-Dimensional Hilbert Spaces · K R Parthasarathy · More Details Abstract Fulltext ...

  19. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. S Pal. Articles written in Bulletin of Materials Science. Volume 24 Issue 4 August 2001 pp 415-420 Biomaterials. A novel bio-inorganic bone implant containing deglued bone, chitosan and gelatin · G Saraswathy S Pal C Rose T P Sastry · More Details Abstract Fulltext PDF.

  20. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. LIFANG ZHANG. Articles written in Bulletin of Materials Science. Volume 38 Issue 3 June 2015 pp 811-816. Fabrication and characterization of PDLLA/pyrite composite bone scaffold for osteoblast culture · Lifang Zhang Yanyan Zheng Chengdong Xiong · More Details Abstract ...

  1. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. S S Samal. Articles written in Bulletin of Materials Science. Volume 30 Issue 4 August 2007 pp 379-386 Polymers. Carbon nanotube reinforced polymer composites—A state of the art · S Bal S S Samal · More Details Abstract Fulltext PDF. Because of their high mechanical ...

  2. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Ying Tang. Articles written in Journal of Chemical Sciences. Volume 125 Issue 2 March 2013 pp 313-320. Modified calcium oxide as stable solid base catalyst for Aldol condensation reaction · Ying Tang Jingfang Xu Xuefan Gu · More Details Abstract Fulltext PDF. A highly ...

  3. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences; Volume 121; Issue 1. Issue front cover thumbnail. Volume 121, Issue 1. January 2009, pages 5-106. pp 5-5. Editor's Note % Instance of plagiarism in Journal of Chemical Sciences · S S Krishnamurthy · More Details Fulltext PDF. pp 7-21 Perspective Article. The role of specific ...

  4. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Abdul Matin. Articles written in Journal of Earth System Science. Volume 118 Issue 4 August 2009 pp 379-390. Deformation mechanisms in the frontal Lesser Himalayan Duplex in Sikkim Himalaya, India · Abdul Matin Sweety Mazumdar · More Details Abstract Fulltext PDF.

  5. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Vishwas S Kale. Articles written in Journal of Earth System Science. Volume 117 Issue 6 December 2008 pp 959-971. Uplift along the western margin of the Deccan Basalt Province: Is there any geomorphometric evidence? Vishwas S Kale Nikhil Shejwalkar · More Details ...

  6. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. S P Senthilkumar. Articles written in Journal of Chemical Sciences. Volume 113 Issue 3 June 2001 pp 191-196 Organic. A convenient procedure for the synthesis of allyl and benzyl ethers from alcohols and phenols · H Surya Prakash Rao S P Senthilkumar · More Details ...

  7. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. P K Parhi. Articles written in Bulletin of Materials Science. Volume 24 Issue 2 April 2001 pp 143-149. Failure analysis of multiple delaminated composite plates due to bending and impact · P K Parhi S K Bhattacharyya P K Sinha · More Details Abstract Fulltext PDF. The present ...

  8. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. G S Meena. Articles written in Journal of Earth System Science. Volume 115 Issue 3 June 2006 pp 333-347. Retrieval of stratospheric O3 and NO2 vertical profiles using zenith scattered light observations · G S Meena C S Bhosale D B Jadhav · More Details Abstract Fulltext ...

  9. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. C J Johny. Articles written in Journal of Earth System Science. Volume 125 Issue 3 April 2016 pp 521-538. Impact of hybrid GSI analysis using ETR ensembles · V S Prasad C J Johny · More Details Abstract Fulltext PDF. Performance of a hybrid assimilation system ...

  10. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. T N Krishnamurti. Articles written in Journal of Earth System Science. Volume 115 Issue 2 April 2006 pp 185-201. Transitions in the surface energy balance during the life cycle of a monsoon season · T N Krishnamurti Mrinal K Biswas · More Details Abstract Fulltext PDF.

  11. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. K Vasantham. Articles written in Journal of Chemical Sciences. Volume 123 Issue 4 July 2011 pp 411-420. Nitroketene dithioacetal chemistry: Synthesis of coumarins incorporating nitrothiophene moiety · H Surya Prakash Rao K Vasantham · More Details Abstract Fulltext PDF.

  12. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. K Krishnamoorthy. Articles written in Journal of Earth System Science. Volume 111 Issue 4 December 2002 pp 425-435. Detection of marine aerosols with IRS P4-Ocean Colour Monitor · Indrani Das M Mohan K Krishnamoorthy · More Details Abstract Fulltext PDF.

  13. Journal of Chemical Sciences | Indian Academy of Sciences

    Indian Academy of Sciences (India)

    Home; Journals; Journal of Chemical Sciences; Volume 125; Issue 4. Issue front cover thumbnail. Volume 125, Issue 4. July 2013, pages 705-958. pp 705-705. Team Change at the Journal of Chemical Sciences · R Ramaswamy · More Details Fulltext PDF. pp 707-714. NO2-induced synthesis of nitrato-iron(III) porphyrin ...

  14. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. Jiuxing Zhang. Articles written in Bulletin of Materials Science. Volume 34 Issue 4 July 2011 pp 825-828. Magnetocaloric effect of Gd5Si2Ge2 alloys in low magnetic field · Hong Zeng Chunjiang Kuang Jiuxing Zhang Ming Yue · More Details Abstract Fulltext PDF.

  15. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. P P PRADYUMNAN. Articles written in Bulletin of Materials Science. Volume 40 Issue 5 September 2017 pp 1007-1011. Structural and magnetic studies on copper succinate dihydrate single crystals · M P BINITHA P P PRADYUMNAN · More Details Abstract Fulltext PDF.

  16. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Sudhir Jain. Articles written in Journal of Earth System Science. Volume 121 Issue 2 April 2012 pp 345-353. Ionospheric irregularities at Antarctic using GPS measurements · Sunita Tiwari Amit Jain Shivalika Sarkar Sudhir Jain A K Gwal · More Details Abstract Fulltext PDF.

  17. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Sayed Alam. Articles written in Journal of Chemical Sciences. Volume 116 Issue 1 January 2004 pp 29-32 Full Papers. Synthesis and studies of antibacterial activity of pongaglabol · Sayed Alam Zakaria Sarkar Azizul Islam · More Details Abstract Fulltext PDF. Pongaglabol ...

  18. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Arun Kumar. Articles written in Journal of Chemical Sciences. Volume 120 Issue 5 September 2008 pp 485-491. Preparation and characterization of free-standing pure porphyrin nanoparticles · Arun Kumar Perepogu Prakriti Ranjan Bangal · More Details Abstract Fulltext PDF.

  19. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. K R Rajesh. Articles written in Bulletin of Materials Science. Volume 37 Issue 1 February 2014 pp 95-99. High mobility polymer gated organic field effect transistor using zinc phthalocyanine · K R Rajesh V Kannan M R Kim Y S Chae J K Rhee · More Details Abstract Fulltext PDF.

  20. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Rambhatla G Sastry. Articles written in Journal of Earth System Science. Volume 112 Issue 1 March 2003 pp 37-49. 2D Stabilised analytic signal method in DC pole-pole potential data interpretation · Paras R Pujari Rambhatla G Sastry · More Details Abstract Fulltext PDF.

  1. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. Pravir Dutt. Articles written in Proceedings – Mathematical Sciences. Volume 112 Issue 4 November 2002 pp 601-639. Stability Estimates for ℎ- Spectral Element Methods for Elliptic Problems · Pravir Dutt Satyendra Tomar B V Rathish Kumar · More Details Abstract ...

  2. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. Satyendra Tomar. Articles written in Proceedings – Mathematical Sciences. Volume 112 Issue 4 November 2002 pp 601-639. Stability Estimates for ℎ- Spectral Element Methods for Elliptic Problems · Pravir Dutt Satyendra Tomar B V Rathish Kumar · More Details ...

  3. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. D K Avasthi. Articles written in Bulletin of Materials Science. Volume 27 Issue 3 June 2004 pp 263-267 Polymers. Electrical properties of ion irradiated polypropylene films · N L Singh Anita Sharma V Shrinet A K Rakshit D K Avasthi · More Details Abstract Fulltext PDF. The effect ...

  4. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. V Shrinet. Articles written in Bulletin of Materials Science. Volume 27 Issue 3 June 2004 pp 263-267 Polymers. Electrical properties of ion irradiated polypropylene films · N L Singh Anita Sharma V Shrinet A K Rakshit D K Avasthi · More Details Abstract Fulltext PDF. The effect of ...

  5. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. A K Rakshit. Articles written in Bulletin of Materials Science. Volume 27 Issue 3 June 2004 pp 263-267 Polymers. Electrical properties of ion irradiated polypropylene films · N L Singh Anita Sharma V Shrinet A K Rakshit D K Avasthi · More Details Abstract Fulltext PDF. The effect ...

  6. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Aavudai Anandhi. Articles written in Journal of Earth System Science. Volume 119 Issue 4 August 2010 pp 447-460. Assessing impact of climate change on season length in Karnataka for IPCC SRES scenarios · Aavudai Anandhi · More Details Abstract Fulltext PDF.

  7. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. SHARMISTHA DHATT. Articles written in Journal of Chemical Sciences. Volume 129 Issue 12 December 2017 pp 1921-1928 REGULAR ARTICLE. Indicators for suicide substrate inactivation: A kinetic investigation · SHARMISTHA DHATT · More Details Abstract Fulltext PDF.

  8. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. CHANCHAL KUMAR. Articles written in Proceedings – Mathematical Sciences. Volume 120 Issue 2 April 2010 pp 163-168. Deficiently Extremal Cohen-Macaulay Algebras · Chanchal Kumar Pavinder Singh · More Details Abstract Fulltext PDF. The aim of this paper is ...

  9. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Sujit Roy. Articles written in Journal of Chemical Sciences. Volume 114 Issue 4 August 2002 pp 277-283. Transition metal catalysed Grignard-like allylic activation across tetragonal tin(II) oxide · Pradipta Sinha Moloy Banerjee Abhijit Kundu Sujit Roy · More Details Abstract ...

  10. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. A K Verma. Articles written in Journal of Earth System Science. Volume 114 Issue 1 February 2005 pp 75-86. A comparative study of ANN and Neuro-fuzzy for the prediction of dynamic constant of rockmass · T N Singh R Kanchan A K Verma K Saigal · More Details Abstract ...

  11. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. Q X Yang. Articles written in Proceedings – Mathematical Sciences. Volume 115 Issue 2 May 2005 pp 191-200. L p -Continuity for Calderón–Zygmund Operator · Q X Yang · More Details Abstract Fulltext PDF. Given a Calderón–Zygmund (- for short) operator , ...

  12. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. K Chandra. Articles written in Bulletin of Materials Science. Volume 30 Issue 4 August 2007 pp 309-314 Biomaterials. Characteristics of porous zirconia coated with hydroxyapatite as human bones · V V Narulkar S Prakash K Chandra · More Details Abstract Fulltext PDF.

  13. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. P Senthil Kumar. Articles written in Journal of Earth System Science. Volume 119 Issue 5 October 2010 pp 745-751. Soil-gas helium and surface-waves detection of fault zones in granitic bedrock · G K Reddy T Seshunarayana Rajeev Menon P Senthil Kumar · More Details ...

  14. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. Shobha Madan. Articles written in Proceedings – Mathematical Sciences. Volume 113 Issue 2 May 2003 pp 171-178. Wavelet Subspaces Invariant Under Groups of Translation Operators · Biswaranjan Behera Shobha Madan · More Details Abstract Fulltext PDF.

  15. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Prabhpreet Singh. Articles written in Journal of Chemical Sciences. Volume 126 Issue 1 January 2014 pp 159-167. The family of N-adenine: New entry for adenine-benzamide conjugates linked via versatile spacers · Prabhpreet Singh · More Details Abstract Fulltext PDF.

  16. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. A P Dimri. Articles written in Journal of Earth System Science. Volume 121 Issue 2 April 2012 pp 329-344. Wintertime land surface characteristics in climatic simulations over the western Himalayas · A P Dimri · More Details Abstract Fulltext PDF. Wintertime regional climate ...

  17. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Aditi Singh. Articles written in Journal of Earth System Science. Volume 127 Issue 2 March 2018 pp 26. Prediction of fog/visibility over India using NWP Model · Aditi Singh John P George Gopal Raman Iyengar · More Details Abstract Fulltext PDF. Frequent occurrence of fog ...

  18. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. K Mohankumar. Articles written in Journal of Earth System Science. Volume 127 Issue 2 March 2018 pp 30. On the dynamics of an extreme rainfall event in northern India in 2013 · Anu Xavier M G Manoj K Mohankumar · More Details Abstract Fulltext PDF. India experienced ...

  19. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. V Bhat. Articles written in Bulletin of Materials Science. Volume 23 Issue 4 August 2000 pp 295-299 Alloys. A test for diffusional coherency strain hypothesis in the discontinuous precipitation in Mg–Al alloy · K T Kashyap C Ramachandra V Bhat B Chatterji · More Details Abstract ...

  20. Proceedings – Mathematical Sciences | Indian Academy of Sciences

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    Home; Journals; Proceedings – Mathematical Sciences. Rémi Léandre. Articles written in Proceedings – Mathematical Sciences. Volume 116 Issue 4 November 2006 pp 507-518 Non-commutative Probability Theory. Malliavin Calculus of Bismut Type without Probability · Rémi Léandre · More Details Abstract Fulltext PDF.

  1. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Manish M John. Articles written in Journal of Earth System Science. Volume 114 Issue 2 April 2005 pp 143-158. Contrasting metamorphism across Cauvery Shear Zone, south India · Manish M John S Balakrishnan B K Bhadra · More Details Abstract Fulltext PDF.

  2. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Samir M Zaid. Articles written in Journal of Earth System Science. Volume 126 Issue 4 June 2017 pp 50. Provenance of coastal dune sands along Red Sea, Egypt · Samir M Zaid · More Details Abstract Fulltext PDF. Texture, mineralogy, and major and trace element ...

  3. Journal of Earth System Science | Indian Academy of Sciences

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    Home; Journals; Journal of Earth System Science. Sulochana Gadgil. Articles written in Journal of Earth System Science. Volume 112 Issue 4 December 2003 pp 529-558. On breaks of the Indian monsoon · Sulochana Gadgil P V Joseph · More Details Abstract Fulltext PDF. For over a century, the term break has been used ...

  4. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Pratim Kumar Chattaraj. Articles written in Journal of Chemical Sciences. Volume 117 Issue 5 September 2005 pp 541-548. A philicity based analysis of adsorption of small molecules in zeolites · Angeles Cáun Marcelo Galván Pratim Kumar Chattaraj · More Details Abstract ...

  5. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Sarat C Dash. Articles written in Journal of Chemical Sciences. Volume 123 Issue 4 July 2011 pp 497-507. Proximity effect on the general base catalysed hydrolysis of amide linkage: The role of cationic surfactant, CTABr · Sarat C Dash Anadi C Dash · More Details Abstract ...

  6. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. D K Lee. Articles written in Journal of Chemical Sciences. Volume 114 Issue 6 December 2002 pp 533-538. Photoinduced electron transfer of chlorophyll in lipid bilayer system · D K Lee K W Seo Y S Kang · More Details Abstract Fulltext PDF. Photoinduced electron transfer ...

  7. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. Jadu Samuel. Articles written in Bulletin of Materials Science. Volume 36 Issue 6 November 2013 pp 981-987. Green chemical incorporation of sulphate into polyoxoanions of molybdenum to nano level · Jadu Samuel S Hari Prasad M K Sreedhar · More Details Abstract Fulltext ...

  8. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. Srinivas Darbha. Articles written in Journal of Chemical Sciences. Volume 126 Issue 2 March 2014 pp 499-509. Solid, double-metal cyanide catalysts for synthesis of hyperbranched polyesters and aliphatic polycarbonates · Joby Sebastian Srinivas Darbha · More Details ...

  9. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. T K Bhattacharya. Articles written in Bulletin of Materials Science. Volume 26 Issue 7 December 2003 pp 703-706 Cements. Solid state sintering of lime in presence of La2O3 and CeO2 · T K Bhattacharya A Ghosh H S Tripathi S K Das · More Details Abstract Fulltext PDF.

  10. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. Dong Zhang. Articles written in Bulletin of Materials Science. Volume 34 Issue 1 February 2011 pp 25-28. Aqueous colloids of graphene oxide nanosheets by exfoliation of graphite oxide without ultrasonication · Tian-You Zhang Dong Zhang · More Details Abstract Fulltext PDF.

  11. Journal of Chemical Sciences | Indian Academy of Sciences

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    Home; Journals; Journal of Chemical Sciences. B Jayachander Rao. Articles written in Journal of Chemical Sciences. Volume 119 Issue 5 September 2007 pp 401-407. Reactive chemical dynamics through conical intersections · S Ghosal B Jayachander Rao S Mahapatra · More Details Abstract Fulltext PDF. Reaction ...

  12. Bulletin of Materials Science | Indian Academy of Sciences

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    Home; Journals; Bulletin of Materials Science. V Ganesan. Articles written in Bulletin of Materials Science. Volume 28 Issue 6 October 2005 pp 609-615 Thin Films. Structural morphology of amorphous conducting carbon film · P N Vishwakarma V Prasad S V Subramanyam V Ganesan · More Details Abstract Fulltext PDF.

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    Home; Journals; Journal of Chemical Sciences. P A Nagarjun. Articles written in Journal of Chemical Sciences. Volume 119 Issue 1 January 2007 pp 29-34. Study of the spectroscopic characteristics of methyl (ligand) cobaloximes and their antibacterial activity · N Navaneetha P A Nagarjun S Satyanarayana · More Details ...

  14. Journal of Earth System Science | Indian Academy of Sciences

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  20. Bulletin of Materials Science | Indian Academy of Sciences

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