WorldWideScience

Sample records for technology evolved relative

  1. Evolving Technologies: A View to Tomorrow

    Science.gov (United States)

    Tamarkin, Molly; Rodrigo, Shelley

    2011-01-01

    Technology leaders must participate in strategy creation as well as operational delivery within higher education institutions. The future of higher education--the view to tomorrow--is irrevocably integrated and intertwined with evolving technologies. This article focuses on two specific evolving technologies: (1) alternative IT sourcing; and (2)…

  2. Evolving Technologies: A View to Tomorrow

    Science.gov (United States)

    Tamarkin, Molly; Rodrigo, Shelley

    2011-01-01

    Technology leaders must participate in strategy creation as well as operational delivery within higher education institutions. The future of higher education--the view to tomorrow--is irrevocably integrated and intertwined with evolving technologies. This article focuses on two specific evolving technologies: (1) alternative IT sourcing; and (2)…

  3. Wind Technologies & Evolving Opportunities (Presentation)

    Energy Technology Data Exchange (ETDEWEB)

    Robichaud, R.

    2014-07-01

    This presentation covers opportunities for wind technology; wind energy market trends; an overview of the National Wind Technology Center near Boulder, Colorado; wind energy price and cost trends; wind turbine technology improvements; and wind resource characterization improvements.

  4. Continuous evaluation of evolving behavioral intervention technologies.

    Science.gov (United States)

    Mohr, David C; Cheung, Ken; Schueller, Stephen M; Hendricks Brown, C; Duan, Naihua

    2013-10-01

    Behavioral intervention technologies (BITs) are web-based and mobile interventions intended to support patients and consumers in changing behaviors related to health, mental health, and well-being. BITs are provided to patients and consumers in clinical care settings and commercial marketplaces, frequently with little or no evaluation. Current evaluation methods, including RCTs and implementation studies, can require years to validate an intervention. This timeline is fundamentally incompatible with the BIT environment, where technology advancement and changes in consumer expectations occur quickly, necessitating rapidly evolving interventions. However, BITs can routinely and iteratively collect data in a planned and strategic manner and generate evidence through systematic prospective analyses, thereby creating a system that can "learn." A methodologic framework, Continuous Evaluation of Evolving Behavioral Intervention Technologies (CEEBIT), is proposed that can support the evaluation of multiple BITs or evolving versions, eliminating those that demonstrate poorer outcomes, while allowing new BITs to be entered at any time. CEEBIT could be used to ensure the effectiveness of BITs provided through deployment platforms in clinical care organizations or BIT marketplaces. The features of CEEBIT are described, including criteria for the determination of inferiority, determination of BIT inclusion, methods of assigning consumers to BITs, definition of outcomes, and evaluation of the usefulness of the system. CEEBIT offers the potential to collapse initial evaluation and postmarketing surveillance, providing ongoing assurance of safety and efficacy to patients and consumers, payers, and policymakers.

  5. Acquiring Evolving Technologies: Web Services Standards

    Science.gov (United States)

    2016-06-30

    2006 Carnegie Mellon University Acquiring Evolving Technologies: Web Services Standards Harry L. Levinson Software Engineering Institute Carnegie...Acquiring Evolving Technologies: Web Services Standards 5a. CONTRACT NUMBER 5b. GRANT NUMBER 5c. PROGRAM ELEMENT NUMBER 6. AUTHOR(S) 5d. PROJECT...NUMBER OF PAGES 22 19a. NAME OF RESPONSIBLE PERSON a. REPORT unclassified b. ABSTRACT unclassified c. THIS PAGE unclassified Standard Form

  6. Evolving technologies for Space Station Freedom computer-based workstations

    Science.gov (United States)

    Jensen, Dean G.; Rudisill, Marianne

    1990-01-01

    Viewgraphs on evolving technologies for Space Station Freedom computer-based workstations are presented. The human-computer computer software environment modules are described. The following topics are addressed: command and control workstation concept; cupola workstation concept; Japanese experiment module RMS workstation concept; remote devices controlled from workstations; orbital maneuvering vehicle free flyer; remote manipulator system; Japanese experiment module exposed facility; Japanese experiment module small fine arm; flight telerobotic servicer; human-computer interaction; and workstation/robotics related activities.

  7. The evolving landscape of learning technology

    Directory of Open Access Journals (Sweden)

    Gráinne Conole

    2002-12-01

    Full Text Available This paper provides an overview of the current and emerging issues in learning technology research, concentrating on structural issues such as infrastructure, policy and organizational context. It updates the vision of technology outlined by Squires' (1999 concept of peripatetic electronic teachers (PETs where Information and Communication Technologies (ICT provide an enabling medium to allow teachers to act as freelance agents in a virtual world and reflects to what extent this vision has been realized The paper begins with a survey of some of the key areas of ICT development and provides a contextualizing framework for the area in terms of external agendas and policy drivers. It then focuses upon learning technology developments which have occurred in the last five years in the UK and offers a number of alternative taxonomies to describe this. The paper concludes with a discussion of the issues which arise from this work.

  8. Evolved Mechanisms Versus Underlying Conditional Relations

    Directory of Open Access Journals (Sweden)

    Astorga Miguel López

    2015-03-01

    Full Text Available The social contracts theory claims that, in social exchange circumstances, human reasoning is not necessarily led by logic, but by certain evolved mental mechanisms that are useful for catching offenders. An emblematic experiment carried out with the intention to prove this thesis is the first experiment described by Fiddick, Cosmides, and Tooby in their paper of 2000. Lopez Astorga has questioned that experiment claiming that its results depend on an underlying conditional logical form not taken into account by Fiddick, Cosmides, and Tooby. In this paper, I propose an explanation alternative to that of Lopez Astorga, which does not depend on logical forms and is based on the mental models theory. Thus, I conclude that this other alternative explanation is one more proof that the experiment in question does not demonstrate the fundamental thesis of the social contracts theory.

  9. Evolving technologies drive the new roles of Biomedical Engineering.

    Science.gov (United States)

    Frisch, P H; St Germain, J; Lui, W

    2008-01-01

    Rapidly changing technology coupled with the financial impact of organized health care, has required hospital Biomedical Engineering organizations to augment their traditional operational and business models to increase their role in developing enhanced clinical applications utilizing new and evolving technologies. The deployment of these technology based applications has required Biomedical Engineering organizations to re-organize to optimize the manner in which they provide and manage services. Memorial Sloan-Kettering Cancer Center has implemented a strategy to explore evolving technologies integrating them into enhanced clinical applications while optimally utilizing the expertise of the traditional Biomedical Engineering component (Clinical Engineering) to provide expanded support in technology / equipment management, device repair, preventive maintenance and integration with legacy clinical systems. Specifically, Biomedical Engineering is an integral component of the Medical Physics Department which provides comprehensive and integrated support to the Center in advanced physical, technical and engineering technology. This organizational structure emphasizes the integration and collaboration between a spectrum of technical expertise for clinical support and equipment management roles. The high cost of clinical equipment purchases coupled with the increasing cost of service has driven equipment management responsibilities to include significant business and financial aspects to provide a cost effective service model. This case study details the dynamics of these expanded roles, future initiatives and benefits for Biomedical Engineering and Memorial Sloan Kettering Cancer Center.

  10. EVOLVE

    CERN Document Server

    Deutz, André; Schütze, Oliver; Legrand, Pierrick; Tantar, Emilia; Tantar, Alexandru-Adrian

    2017-01-01

    This book comprises nine selected works on numerical and computational methods for solving multiobjective optimization, game theory, and machine learning problems. It provides extended versions of selected papers from various fields of science such as computer science, mathematics and engineering that were presented at EVOLVE 2013 held in July 2013 at Leiden University in the Netherlands. The internationally peer-reviewed papers include original work on important topics in both theory and applications, such as the role of diversity in optimization, statistical approaches to combinatorial optimization, computational game theory, and cell mapping techniques for numerical landscape exploration. Applications focus on aspects including robustness, handling multiple objectives, and complex search spaces in engineering design and computational biology.

  11. Evolving technologies support mobile and collaborative curriculum: a case study.

    Science.gov (United States)

    Le Ber, Jeanne M; Lombardo, Nancy T

    2012-01-01

    This case study describes the efforts of librarians to integrate mobile devices, collaboration tools, and resources into a School of Medicine third-year pediatric clerkship. Additional class emphasis is on evidence-based searching and journal article evaluation and presentation. The class objectives ensure that students are comfortable with mobile devices and collaboration tools. Over the eight-year history of the course, student acceptance of the mobile devices used diminished as the devices aged, necessitating the evaluation and selection of new technologies. Collaboration tools and mobile applications employed in the course evolved to accommodate curriculum changes.

  12. Is plate tectonics needed to evolve technological species on exoplanets?

    Directory of Open Access Journals (Sweden)

    Robert J. Stern

    2016-07-01

    tectonics for developing a technological species is examined via a thought experiment using two otherwise identical planets: one with plate tectonics and the other without. A planet with oceans, continents, and plate tectonics maximizes opportunities for speciation and natural selection, whereas a similar planet without plate tectonics provides fewer such opportunities. Plate tectonics exerts environmental pressures that drive evolution without being capable of extinguishing all life. Plate tectonic processes such as the redistribution of continents, growth of mountain ranges, formation of land bridges, and opening and closing of oceans provide a continuous but moderate environmental pressure that stimulates populations to adapt and evolve. Plate tectonics may not be needed in order for life to begin, but evolution of technological species is favored on planets with oceans, continents, plate tectonics, and intermittently clear night sky.

  13. Relationalism Evolves the Universe Through the Big Bang

    CERN Document Server

    Koslowski, Tim A; Sloan, David

    2016-01-01

    We investigate the singularities of homogeneous cosmologies from the point of view of relational (and physically relevant) degrees of freedom of the gravitational field. These do not depend on absolute units of length and duration - thus they do not include the volume and extrinsic curvature. We find that the fully relational dynamical system remains well posed for all physical times, even at the point that would be described as the big bang when evolving present day data backwards in time.This result is achieved in two steps: (1) for solutions which are gravity-dominated near the singularity, we show that any extended physical clock (whose readings only depend on the relational degrees of freedom) will undergo an infinite number of ticks before reaching the big bang. The singularity is therefore pushed into the infinite physical past of any physical clock. (2) for solutions where a stiff matter component (e.g. a massless scalar field) dominates at the singularity, we show that the relational degrees of freed...

  14. Human-Computer Interaction Handbook Fundamentals, Evolving Technologies, and Emerging Applications

    CERN Document Server

    Jacko, Julie A

    2012-01-01

    The third edition of a groundbreaking reference, The Human--Computer Interaction Handbook: Fundamentals, Evolving Technologies, and Emerging Applications raises the bar for handbooks in this field. It is the largest, most complete compilation of HCI theories, principles, advances, case studies, and more that exist within a single volume. The book captures the current and emerging sub-disciplines within HCI related to research, development, and practice that continue to advance at an astonishing rate. It features cutting-edge advances to the scientific knowledge base as well as visionary perspe

  15. Evaluating interactive technology for an evolving case study on learning and satisfaction of graduate nursing students.

    Science.gov (United States)

    Vogt, Marjorie A; Schaffner, Barbara H

    2016-07-01

    Nursing education is challenged to prepare students for complex healthcare needs through the integration of teamwork and informatics. Technology has become an important teaching tool in the blended classroom to enhance group based learning experiences. Faculty evaluation of classroom technologies is imperative prior to adoption. Few studies have directly compared various technologies and their impact on student satisfaction and learning. The purpose of this study was to evaluate technology enhanced teaching methods on the learning and satisfaction of graduate students in an advanced pharmacology class using an unfolding case study. After IRB approval, students were randomly assigned to one of three groups: blogging group, wiki group or webinar group. Students completed the evolving case study using the assigned interactive technology. Student names were removed from the case studies. Faculty evaluated the case study using a rubric, while blinded to the assigned technology method used. No significant difference was found on case study grades, the range of grades on the assignment demonstrated little differences between the methods used. Students indicated an overall positive impact related to networking and collaboration on a satisfaction survey. Impact of technology methods needs to be explored in other areas of graduate nursing education.

  16. The evolving role of supply chain management technology in healthcare.

    Science.gov (United States)

    Langabeer, Jim

    2005-01-01

    The healthcare supply chain is a vast, disintegrated network of products and players, loosely held together by manual and people-intensive processes. Managing the flow of information, supplies, equipment, and services from manufacturers to distributors to providers of care is especially difficult in clinical supply chains, compared with more technology-intense industries like consumer goods or industrial manufacturing. As supplies move downstream towards hospitals and clinics, the quality and robustness of accompanying management and information systems used to manage these products deteriorates significantly. Technology that provides advanced planning, synchronization, and collaboration upstream at the large supply manufacturers and distributors rarely is used at even the world's larger and more sophisticated hospitals. This article outlines the current state of healthcare supply chain management technologies, addresses potential reasons for the lack of adoption of technologies and provides a roadmap for the evolution of technology for the future. This piece is based on both quantitative and qualitative research assessments of the healthcare supply chain conducted during the last two years.

  17. Automotive Technology Evolved by Electrical and Electronic Systems

    Science.gov (United States)

    Teratani, Tatsuo; Okuma, Shigeru

    Automotive electrical and electronic systems, e.g. EHV, FCV, future X-By-Wire, have recently been introduced or planned in place of mechanical systems. Drivers are demanding environmental performance (fuel consumption and weight reduction), safety and comfort. For general use of the new technologies, evolution of the automotive technology is required, including energy conversion efficiency improvement, size and weight reduction of components, cost reduction and high reliability. This paper discusses and summarizes the next generation power systems, the future vehicle image, power source combinations, and problems to be solved for development of automotive electronics.

  18. Evolving applications of microarray technology in postnatal diagnosis (review).

    Science.gov (United States)

    Kang, Ji Un; Koo, Sun Hoe

    2012-08-01

    Microarray-based cytogenetics is revealing the tremendous fluidity and complexity of the human genome, and is starting to illustrate the implications of genomic variability with respect to human health and disease. In the last few years, the robustness of array-based technologies has provided accurate diagnosis and appropriate clinical management in a timely and efficient manner for identifying genomic defects of congenital and developmental abnormalities including developmental delay (DD), intellectual disability (ID), autism spectrum disorders (ASD) and/or multiple congenital anomalies (MCA). The implementation of this technology in these categories of disorders has been thoroughly evaluated and is now recommended as a first-line diagnostic approach for clinically suspected genetic disorders. However, clinical application of array-CGH in postnatal evaluation raises the debate of whether array-CGH will replace traditional cytogenetics in the near future and whether there is still a role for karyotyping and FISH. In this article, we therefore review the current status of array-based technology use for postnatal diagnosis and predict that it will replace standard cytogenetics as a first-line test for clinical evaluation in these population groups.

  19. Keynote presentation: Project Management, Technology and Evolving Work Processes

    DEFF Research Database (Denmark)

    Kampf, Constance Elizabeth

    Bridging the classroom and workplace is a challenge in the Project Management classroom because students rarely have the opportunity or the experience needed to head up large projects. So how can instructors present the opportunity to develop skills and gain experience needed to understand project...... management in a classroom setting? To begin to answer this question, the presentation describes three key strategies used in a Project Management course developed from a communications perspective in the International Bachelor Program in Marketing and Management Communication, Business & Social Sciences...... Management regardless of the technology used to support it....

  20. The wearable cardioverter-defibrillator: current technology and evolving indications.

    Science.gov (United States)

    Reek, Sven; Burri, Haran; Roberts, Paul R; Perings, Christian; Epstein, Andrew E; Klein, Helmut U

    2016-10-04

    The wearable cardioverter-defibrillator has been available for over a decade and now is frequently prescribed for patients deemed at high arrhythmic risk in whom the underlying pathology is potentially reversible or who are awaiting an implantable cardioverter-defibrillator. The use of the wearable cardioverter-defibrillator is included in the new 2015 ESC guidelines for the management of ventricular arrhythmias and prevention of sudden cardiac death. The present review provides insight into the current technology and an overview of this approach.

  1. Medical photography: current technology, evolving issues and legal perspectives.

    Science.gov (United States)

    Harting, M T; DeWees, J M; Vela, K M; Khirallah, R T

    2015-04-01

    Medical photographic image capture and data management has undergone a rapid and compelling change in complexity over the last 20 years. This is because of multiple factors, including significant advances in ease of photograph capture, alongside an evolution of mechanisms of data portability/dissemination, combined with governmental focus on health information privacy. Literature to guide medical, legal, governmental and business professionals when dealing with issues related to medical photography is virtually nonexistent. Herein, we will address the breadth of uses of medical photography, device properties/specific devices utilised for image capture, methods of data transfer and dissemination and patient perceptions and attitudes regarding photography in a medical setting. In addition, we will address the legal implications, including legal precedent, copyright and privacy law, informed consent, protected health information and the Health Insurance Portability and Accountability Act (HIPAA), as they pertain to medical photography.

  2. Wheat-related disorders: A broad spectrum of 'evolving' diseases.

    Science.gov (United States)

    Gasbarrini, Gb; Mangiola, F

    2014-08-01

    Throughout the world, cereals have always been recognized as a fundamental food. Human evolution, through the development of cooking, led to the production of food rich in gluten, in order to take full advantage of the nutritional properties of this food. The result has been that gluten intolerance has arisen only in those populations that developed the art of cooking wheat. It is also recognized that wheat, one of the central elements of the Mediterranean diet, cannot be tolerated in some individuals. Among the wheat-related pathologies, coeliac disease is the best known: it is a chronic inflammatory condition affecting the gastrointestinal tract, which develops in genetically predisposed individuals. The most common manifestation is the malabsorption of nutrients. Recently, another wheat-related disease has appeared: non-coeliac gluten sensitivity, defined as the onset of a variety of manifestations related to wheat, rye and barley ingestion, in patients in whom coeliac disease and wheat allergy have been excluded. In this paper we will explore the damaging power of wheat, analysing the harmful process by which it realizes the onset of clinical manifestations associated with wheat-related disorders.

  3. Evolving black hole horizons in General Relativity and alternative gravity

    CERN Document Server

    Faraoni, Valerio

    2013-01-01

    From the microscopic point of view, realistic black holes are time-dependent and the teleological concept of event horizon fails. At present, the apparent or the trapping horizon seem its best replacements in various areas of black hole physics. We discuss the known phenomenology of apparent and trapping horizons for analytical solutions of General Relativity and alternative theories of gravity. These specific examples (we focus on spherically symmetric inhomogeneities in a background cosmological spacetime) may be useful as toy models for research on various aspects of black hole physics.

  4. Using Synchronic and Diachronic Relations for Summarizing Multiple Documents Describing Evolving Events

    CERN Document Server

    Afantenos, Stergos D; Stamatopoulos, P; Halatsis, C

    2007-01-01

    In this paper we present a fresh look at the problem of summarizing evolving events from multiple sources. After a discussion concerning the nature of evolving events we introduce a distinction between linearly and non-linearly evolving events. We present then a general methodology for the automatic creation of summaries from evolving events. At its heart lie the notions of Synchronic and Diachronic cross-document Relations (SDRs), whose aim is the identification of similarities and differences between sources, from a synchronical and diachronical perspective. SDRs do not connect documents or textual elements found therein, but structures one might call messages. Applying this methodology will yield a set of messages and relations, SDRs, connecting them, that is a graph which we call grid. We will show how such a grid can be considered as the starting point of a Natural Language Generation System. The methodology is evaluated in two case-studies, one for linearly evolving events (descriptions of football matc...

  5. The evolving cobweb of relations among partially rational investors

    Science.gov (United States)

    DiMeglio, Anna; Garofalo, Franco; Lo Iudice, Francesco

    2017-01-01

    To overcome the limitations of neoclassical economics, researchers have leveraged tools of statistical physics to build novel theories. The idea was to elucidate the macroscopic features of financial markets from the interaction of its microscopic constituents, the investors. In this framework, the model of the financial agents has been kept separate from that of their interaction. Here, instead, we explore the possibility of letting the interaction topology emerge from the model of the agents’ behavior. Then, we investigate how the emerging cobweb of relationship affects the overall market dynamics. To this aim, we leverage tools from complex systems analysis and nonlinear dynamics, and model the network of mutual influence as the output of a dynamical system describing the edge evolution. In this work, the driver of the link evolution is the relative reputation between possibly coupled agents. The reputation is built differently depending on the extent of rationality of the investors. The continuous edge activation or deactivation induces the emergence of leaders and of peculiar network structures, typical of real influence networks. The subsequent impact on the market dynamics is investigated through extensive numerical simulations in selected scenarios populated by partially rational investors. PMID:28196144

  6. Prosthetics and Related Technology

    Science.gov (United States)

    ... of prostheses, using leading- edge technologies such as robotics, tissue engineering, and nanotechnology to create lighter limbs ... and respiration. In a study of 32 chronic stroke patients, VA researchers found that functional neuromuscu- lar ...

  7. Health Technology Development and Use From Practice-Bound Imagination to Evolving Impacts

    CERN Document Server

    Hyysalo, Sampsa

    2010-01-01

    How do development and use of new technology relate? How can users contribute to innovation? This title studies these questions by following particular technologies over several product launches. It examines the emergence of inventive ideas about technology and uses, and how these are developed into products and embedded in health care practices.

  8. An Evolved Antenna for Deployment on NASA's Space Technology 5 Mission. Chapter 1

    Science.gov (United States)

    Lohn, Jason D.; Hornby, Gregory S.; Linden, Derek S.

    2004-01-01

    We present an evolved X - band antenna design and flight prototype currently on schedule to be deployed on NASA's Space Technology 5(ST5) spacecraft. Current methods of designing and optimizing antennas by hand are time and labor intensive, limit complexity and require significant expertise and experience. Evolutionary design techniques can overcome these limitations by searching the design space and automatically finding effective solutions that would ordinarily not be found. The ST5 antenna was evolved to meet a challenging set of mission requirements, most notably the combination of wide beamwidth for a circularly-polarized wave and wide bandwidth.Two evolutionary algorithms were used: one used a genetic algorithm style representation that did not allow branching in the antenna arms: the second used a genetic programming style tree-structured representation that allowed branching in the antenna arms. The highest performance antennas from both algorithms were fabricated and tested and both yielded similar performance. Both were comparable in performance to a hand-designed antenna produced by a contractor for the mission, and so we consider them examples of human-competitive performance by evolutionary algorithms. One of the evolved antenna prototypes is undergoing flight qualification testing.

  9. Evolving Practice: A Relational Framework for Developing Understandings of University Teaching Practice

    Science.gov (United States)

    Mitchell, Donna Mathewson

    2014-01-01

    As a teacher educator I am concerned with developing understandings of my teaching as it evolves over time, in relation to the university teaching context and more broadly in terms understandings of teaching practice. In this paper, I outline the development of a framework designed for this purpose. The Relational Framework for Investigating…

  10. The Information Technology Program Manager’s Dilemma: Rapidly Evolving Technology and Stagnant Processes

    Science.gov (United States)

    2010-08-01

    information technology systems. The current DoDI 5000.02 leaves IT project and program managers wondering how the current process applies to them, as the guidance is fairly rigid and does not allow for the flexibility required to appropriately manage IT programs. Until very recently, in comparison to the development of a traditional weapons system, IT programs seemed to have been viewed as a utility or service instead of a critical component to national security. Perhaps that is because data passing through cables cannot be observed with the naked senses and therefore an

  11. Relational Database Technology: An Overview.

    Science.gov (United States)

    Melander, Nicole

    1987-01-01

    Describes the development of relational database technology as it applies to educational settings. Discusses some of the new tools and models being implemented in an effort to provide educators with technologically advanced ways of answering questions about education programs and data. (TW)

  12. Developing Architectures and Technologies for an Evolvable NASA Space Communication Infrastructure

    Science.gov (United States)

    Bhasin, Kul; Hayden, Jeffrey

    2004-01-01

    Space communications architecture concepts play a key role in the development and deployment of NASA's future exploration and science missions. Once a mission is deployed, the communication link to the user needs to provide maximum information delivery and flexibility to handle the expected large and complex data sets and to enable direct interaction with the spacecraft and experiments. In human and robotic missions, communication systems need to offer maximum reliability with robust two-way links for software uploads and virtual interactions. Identifying the capabilities to cost effectively meet the demanding space communication needs of 21st century missions, proper formulation of the requirements for these missions, and identifying the early technology developments that will be needed can only be resolved with architecture design. This paper will describe the development of evolvable space communication architecture models and the technologies needed to support Earth sensor web and collaborative observation formation missions; robotic scientific missions for detailed investigation of planets, moons, and small bodies in the solar system; human missions for exploration of the Moon, Mars, Ganymede, Callisto, and asteroids; human settlements in space, on the Moon, and on Mars; and great in-space observatories for observing other star systems and the universe. The resulting architectures will enable the reliable, multipoint, high data rate capabilities needed on demand to provide continuous, maximum coverage of areas of concentrated activities, such as in the vicinity of outposts in-space, on the Moon or on Mars.

  13. Fault self-repair strategy based on evolvable hardware and reparation balance technology

    Institute of Scientific and Technical Information of China (English)

    Zhang Junbin; Cai Jinyan; Meng Yafeng; Meng Tianzhen

    2014-01-01

    In the face of harsh natural environment applications such as earth-orbiting and deep space satellites, underwater sea vehicles, strong electromagnetic interference and temperature stress, the circuits faults appear easily. Circuit faults will inevitably lead to serious losses of availability or impeded mission success without self-repair over the mission duration. Traditional fault-repair methods based on redundant fault-tolerant technique are straightforward to implement, yet their area, power and weight cost can be excessive. Moreover they utilize all plug-in or component level circuits to realize redundant backup, such that their applicability is limited. Hence, a novel self-repair technology based on evolvable hardware (EHW) and reparation balance technology (RBT) is proposed. Its cost is low, and fault self-repair of various circuits and devices can be realized through dynamic configuration. Making full use of the fault signals, correcting circuit can be found through EHW technique to realize the balance and compensation of the fault out-put-signals. In this paper, the self-repair model was analyzed which based on EHW and RBT tech-nique, the specific self-repair strategy was studied, the corresponding self-repair circuit fault system was designed, and the typical faults were simulated and analyzed which combined with the actual electronic devices. Simulation results demonstrated that the proposed fault self-repair strategy was feasible. Compared to traditional techniques, fault self-repair based on EHW consumes fewer hardware resources, and the scope of fault self-repair was expanded significantly.

  14. Model evolvement and reuse technology of injection molding machine based on performance knowledge

    Institute of Scientific and Technical Information of China (English)

    Wei Zhe; Feng Yixiong; Tan Jianrong; Wang Jinlong

    2008-01-01

    To illuminate the necessity of model evolvement and reuse, dynamics of injection molding machine's product models are analyzed. The performance knowledge is used to support the model evolvement and reuse. The driven factors of mechanical product model are concluded. The dynamic characteristics of product model are described. The performance knowledge is used to improve specific evolvement process. The upper-layer passing rules are adopted in the mechanical product configuration design. The rules of product model evolvement are investigated. And the model evolvement of injection molding machine has three levels. Practical and effective realization arithmetic is given to realize the performance knowledge reuse. Finally, HT1800X1N series injection molding machines are taken as examples to illuminate that the arithmetic is correct and practical.

  15. The Development of Network Relations of MNC Subsidiaries : How Internal MNC and External (Local) Relations Evolve

    NARCIS (Netherlands)

    Drogendijk, H.J.

    2005-01-01

    Managing relations is a complex task for internationalizing firms and their subsidiaries: MNC subsidiaries are not only part of the MNC network but they also develop relations with network actors in their local environment.This paper investigates conceptually how MNC subsidiaries established through

  16. Radiation therapy for children: evolving technologies in the era of ALARA

    Energy Technology Data Exchange (ETDEWEB)

    Kun, Larry E.; Beltran, Chris [St. Jude Children' s Research Hospital, Department of Radiological Sciences, Memphis, TN (United States)

    2009-02-15

    The evolution of ever more sophisticated oncologic imaging and technologies providing far more precise radiation therapy have combined to increase the utilization of sophisticated radiation therapy in childhood cancer. For a majority of children with common central nervous system, soft tissue, bone, and dysontogenic neoplasms, local irradiation is fundamental to successful multi-disciplinary management. Along with more precise target volume definition and radiation delivery, new technologies provide added certainty of patient positioning (electronic portal imaging, cone beam CT) and conformality of dose delivery (3-D conformal irradiation, intensity modulated radiation therapy, proton beam therapy). Each of the major areas of technology development are able to better confine the high-dose region to the intended target, but they are also associated with the potential for larger volumes of uninvolved tissues being exposed to low radiation doses. The latter issue plays a role in documented levels of secondary carcinogenesis, sometimes with greater anticipated incidence than that seen in conventional radiation therapy. Parameters related to carcinogenesis, such as dose-volume relationships and neutron contamination that accompanies high-energy photon irradiation and proton therapy, can be identified, sometimes modulated, and accepted as part of the clinical decision process in fine tuning radiation therapy in this more vulnerable age group. (orig.)

  17. An engineering research and technology program for an evolving, multi-decade Mission to Planet Earth

    Science.gov (United States)

    Sadin, Stanley R.; Johnston, Gordon I.; Hudson, Wayne R.

    1991-01-01

    A study is presented that examines the technological needs of future systems, surveys current and planned activities and highlights significant accomplishments in the research and technology program of the multidecade Mission to Planet Earth (MTPE). Consideration is given to recent program redirection in MTPE, the initiation of the high performance computing and communications program and the potential impact on the technology programs. The technology set is divided into three subsets covering information, observation, and infrastructure technologies.

  18. Conceptualization and measurement of health-related quality of life: comments on an evolving field.

    Science.gov (United States)

    Ware, John E

    2003-04-01

    This article summarizes personal views on the rapidly evolving field of functional health assessment and comments on their implications for advances in assessment methods used in rehabilitation medicine. Topics of strategic importance included (1). a new formulation of the structure of health status designed to distinguish role participation from the physical and mental components of health for purposes of international studies; (2). applications of item response theory that offer advantages in constructing better functional health measures and cross-calibrating their underlying metrics; (3). computerized dynamic assessment technology, well proven in education and psychology, which may lead to more practical assessments and more precise score estimates across a wide range of functional health levels; and (4). intellectual property issues involved in standardizing and promoting readily available assessment tools, ensuring their scientific validity, and achieving the best possible partnership between the scientific community and those developing commercial applications. Promising results from preliminary attempts to standardize and improve the metrics of functional health assessment constitute grounds for optimism regarding their potential usefulness in rehabilitation medicine. Someday, all tools used to measure each functional health concept, including the best single-item measure and the most precise computerized dynamic health assessment, will be scored on the same metric and their results will be directly comparable. To achieve this goal in rehabilitation medicine, we have much work to do.

  19. Sexual selection and senescence: male size-dimorphic ungulates evolved relatively smaller molars than females.

    Science.gov (United States)

    Carranza, Juan; Pérez-Barbería, F Javier

    2007-09-01

    As a general rule, males of sexually dimorphic ungulate species have evolved larger body size than females but shorter reproductive life spans as elements of their strategy for intrasexual competition for mating opportunities. Evolutionary theories of senescence predict that the durability of somatic structures should relate to the length of reproductive life span. This prediction has recently been tested for red deer (Cervus elaphus): molariform teeth of males are smaller and less durable than those of females, which corresponds with sex differences in reproductive life span. However, general evidence that male teeth are smaller than expected by allometric rules as a consequence of sexual selection for increasing male body mass requires an interspecific comparison between dimorphic and nondimorphic ungulates. Here we investigate the relationship between cheek-teeth size (occlusal surface area; OSA) and body mass in 123 species of extant ungulates. We found lower slopes for dimorphic species compared with nondimorphic ones and smaller OSA, relative to body mass, in males of dimorphic species compared with females of dimorphic species. Rates of evolution of OSA relative to rates of evolution of body mass were greater in females than in males and also greater in nondimorphic than in dimorphic species. Our results are consistent with the hypothesis that sexual selection in polygynous male ungulates favors body size more than tooth size, with possible consequences in male senescence via early depletion of male teeth compared to females.

  20. Dynamic tables: an architecture for managing evolving, heterogeneous biomedical data in relational database management systems.

    Science.gov (United States)

    Corwin, John; Silberschatz, Avi; Miller, Perry L; Marenco, Luis

    2007-01-01

    Data sparsity and schema evolution issues affecting clinical informatics and bioinformatics communities have led to the adoption of vertical or object-attribute-value-based database schemas to overcome limitations posed when using conventional relational database technology. This paper explores these issues and discusses why biomedical data are difficult to model using conventional relational techniques. The authors propose a solution to these obstacles based on a relational database engine using a sparse, column-store architecture. The authors provide benchmarks comparing the performance of queries and schema-modification operations using three different strategies: (1) the standard conventional relational design; (2) past approaches used by biomedical informatics researchers; and (3) their sparse, column-store architecture. The performance results show that their architecture is a promising technique for storing and processing many types of data that are not handled well by the other two semantic data models.

  1. On the Relation of Silicates and SiO Maser in Evolved Stars

    Science.gov (United States)

    Liu, Jiaming; Jiang, Biwei

    2017-04-01

    The SiO molecule is one of the candidates for the seed of silicate dust in the circumstellar envelope of evolved stars, but this opinion is challenged. In this work we investigate the relation of the SiO maser emission power and the silicate dust emission power. With both our own observation by using the PMO/Delingha 13.7 m telescope and archive data, a sample is assembled of 21 SiO v = 1, J = 2 - 1 sources and 28 SiO v = 1, J = 1 - 0 sources that exhibit silicate emission features in the ISO/SWS spectrum as well. The analysis of their SiO maser and silicate emission power indicates a clear correlation, which is not against the hypothesis that the SiO molecules are the seed nuclei of silicate dust. On the other hand, no correlation is found between SiO maser and silicate crystallinity, which may imply that silicate crystallinity does not correlate with mass-loss rate.

  2. What contribution can international relations make to the evolving global health agenda?

    Science.gov (United States)

    Davies, Sara E

    2010-01-01

    This article presents two approaches that have dominated International Relations in their approach to the international politics of health. The statist approach, which is primarily security-focused, seeks to link health initiatives to a foreign or defence policy remit. The globalist approach, in contrast, seeks to advance health not because of its intrinsic security value but because it advances the well-being and rights of individuals. This article charts the evolution of these approaches and demonstrates why both have the potential to shape our understanding of the evolving global health agenda. It examines how the statist and globalist perspectives have helped shape contemporary initiatives in global health governance and suggests that there is evidence of an emerging convergence between the two perspectives. This convergence is particularly clear in the articulation of a number of UN initiatives in this area - especially the One World, One Health Strategic Framework and the Oslo Ministerial Declaration (2007) which inspired the first UN General Assembly resolution on global health and foreign policy in 2009 and the UN Secretary-General's note "Global health and foreign policy: strategic opportunities and challenges". What remains to be seen is whether this convergence will deliver on securing states' interest long enough to promote the interests of the individuals who require global efforts to deliver local health improvements.

  3. Mapping Pre-Service Teachers' Evolving Information and Communication Technologies Pedagogy

    Science.gov (United States)

    Savage, Moira

    2016-01-01

    The research examined the nature and scope of e-portfolio reflective writing by primary pre-service teachers about their classroom implementation of information and communication technologies. Familiar and new technologies require a teacher to be able to confidently identify the pedagogical potential for effective learning and teaching. With the…

  4. Evolving Technology, Shifting Expectations: Cultivating Pedagogy for a Rapidly Changing GIS Landscape

    Science.gov (United States)

    Ricker, Britta; Thatcher, Jim

    2017-01-01

    As humans and natural processes continuously reshape the surface of the Earth, there is an unceasing need to document and analyze them through the use of Geographic Information Systems (GIS). The public is gaining more access to spatial technologies that were once only available to highly trained professionals. With technological evolution comes a…

  5. Mapping Pre-Service Teachers' Evolving Information and Communication Technologies Pedagogy

    Science.gov (United States)

    Savage, Moira

    2016-01-01

    The research examined the nature and scope of e-portfolio reflective writing by primary pre-service teachers about their classroom implementation of information and communication technologies. Familiar and new technologies require a teacher to be able to confidently identify the pedagogical potential for effective learning and teaching. With the…

  6. Evolving Information Technology: A Case Study of the Effects of Constant Change on Information Technology Instructional Design Architecture

    Science.gov (United States)

    Helps, Richard

    2010-01-01

    A major challenge for Information Technology (IT) programs is that the rapid pace of evolution of computing technology leads to frequent redesign of IT courses. The problem is exacerbated by several factors. Firstly, the changing technology is the subject matter of the discipline and is also frequently used to support instruction; secondly, this…

  7. Trials of Intervention Principles: Evaluation Methods for Evolving Behavioral Intervention Technologies.

    Science.gov (United States)

    Mohr, David C; Schueller, Stephen M; Riley, William T; Brown, C Hendricks; Cuijpers, Pim; Duan, Naihua; Kwasny, Mary J; Stiles-Shields, Colleen; Cheung, Ken

    2015-07-08

    In recent years, there has been increasing discussion of the limitations of traditional randomized controlled trial (RCT) methodologies for the evaluation of eHealth and mHealth interventions, and in particular, the requirement that these interventions be locked down during evaluation. Locking down these interventions locks in defects and eliminates the opportunities for quality improvement and adaptation to the changing technological environment, often leading to validation of tools that are outdated by the time that trial results are published. Furthermore, because behavioral intervention technologies change frequently during real-world deployment, even if a tested intervention were deployed in the real world, its shelf life would be limited. We argue that RCTs will have greater scientific and public health value if they focus on the evaluation of intervention principles (rather than a specific locked-down version of the intervention), allowing for ongoing quality improvement modifications to the behavioral intervention technology based on the core intervention principles, while continuously improving the functionality and maintaining technological currency. This paper is an initial proposal of a framework and methodology for the conduct of trials of intervention principles (TIPs) aimed at minimizing the risks of in-trial changes to intervention technologies and maximizing the potential for knowledge acquisition. The focus on evaluation of intervention principles using clinical and usage outcomes has the potential to provide more generalizable and durable information than trials focused on a single intervention technology.

  8. Initial multi-national study of future energy systems and impacts of some evolving technologies

    Energy Technology Data Exchange (ETDEWEB)

    1977-03-25

    Participants from thirteen member nations of the International Energy Agency and the Commission of European Communities have been conducting cooperative energy systems analyses, the goal of which is to evaluate the possible impacts of new and conservation technologies. Such studies are intended to provide analytical bases to aid future decisions on cooperative research and development projects. In the initial studies, a quantitative description of the 1974 energy system has been prepared for each participating nation. The nations accounted for approximately half of the world energy consumption in 1974. They imported more than 30 percent of their primary energy requirements from other nations of the world. Oil and natural gas supplied almost /sup 3///sub 4/ of the energy. Reference projections were made for the years 1985 and 2000 to provide base cases for studies of the impacts of new and conservation technologies. Although these projections are not intended to be forecasts, taken together they indicate an increasing gap between the demand for energy and foreseeable domestic supplies, thus underscoring the urgency for the vigorous introduction of new energy technologies as well as the need for strong efforts in energy conservation. Some preliminary evaluations of selected technologies were made as a function of current development plans. None of these technologies taken individually appear capable of balancing the demand-supply equation.

  9. Laser Ranging to the Moon: How Evolving Technology Enables New Science

    Science.gov (United States)

    Faller, James

    2010-03-01

    Technological advances have long been the enabler of scientific progress. The invention of the laser is a prime example of this symbiotic relationship between technical progress and scientific advances. The laser, which today is omnipresent in each of our lives, made its first appearance during the time that I was a graduate student in Professor Dicke's group at Princeton. A major change occurring during that time period was that technology was transforming the study of gravitational physics from just a theoretical subject into also an experimental subject where one could hope to measure things using by-then-available laboratory technologies and techniques. During this same time, the idea for the lunar laser ranging experiment was born. The history and accomplishments of this experiment--a still ongoing experiment which is one of the real scientific triumphs of NASA's Apollo program--will be given.

  10. Remote patient management: technology-enabled innovation and evolving business models for chronic disease care.

    Science.gov (United States)

    Coye, Molly Joel; Haselkorn, Ateret; DeMello, Steven

    2009-01-01

    Remote patient management (RPM) is a transformative technology that improves chronic care management while reducing net spending for chronic disease. Broadly deployed within the Veterans Health Administration and in many small trials elsewhere, RPM has been shown to support patient self-management, shift responsibilities to non-clinical providers, and reduce the use of emergency department and hospital services. Because transformative technologies offer major opportunities to advance national goals of improved quality and efficiency in health care, it is important to understand their evolution, the experiences of early adopters, and the business models that may support their deployment.

  11. An evolving infrastructure for scientific computing and the integration of new graphics technology

    Energy Technology Data Exchange (ETDEWEB)

    Fong, K.W.

    1993-02-01

    The National Energy Research Supercomputer Center (NERSC) at the Lawrence Livermore National Laboratory is currently pursuing several projects to implement and integrate new hardware and software technologies. While each of these projects ought to be and is in fact individually justifiable, there is an appealing metaphor for viewing them collectively which provides a simple and memorable way to understand the future direction not only of supercomputing services but of computer centers in general. Once this general direction is understood, it becomes clearer what future computer graphics technologies would be possible and desirable, at least within the context of large scale scientific computing.

  12. Co-production in practice: how people with assisted living needs can help design and evolve technologies and services.

    Science.gov (United States)

    Wherton, Joseph; Sugarhood, Paul; Procter, Rob; Hinder, Sue; Greenhalgh, Trisha

    2015-05-26

    The low uptake of telecare and telehealth services by older people may be explained by the limited involvement of users in the design. If the ambition of 'care closer to home' is to be realised, then industry, health and social care providers must evolve ways to work with older people to co-produce useful and useable solutions. We conducted 10 co-design workshops with users of telehealth and telecare, their carers, service providers and technology suppliers. Using vignettes developed from in-depth ethnographic case studies, we explored participants' perspectives on the design features of technologies and services to enable and facilitate the co-production of new care solutions. Workshop discussions were audio recorded, transcribed and analysed thematically. Analysis revealed four main themes. First, there is a need to raise awareness and provide information to potential users of assisted living technologies (ALTs). Second, technologies must be highly customisable and adaptable to accommodate the multiple and changing needs of different users. Third, the service must align closely with the individual's wider social support network. Finally, the service must support a high degree of information sharing and coordination. The case vignettes within inclusive and democratic co-design workshops provided a powerful means for ALT users and their carers to contribute, along with other stakeholders, to technology and service design. The workshops identified a need to focus attention on supporting the social processes that facilitate the collective efforts of formal and informal care networks in ALT delivery and use.

  13. Do Export and Technological Specialisation Patterns Co-evolve in Terms of Convergence or Divergence?

    DEFF Research Database (Denmark)

    Laursen, Keld

    2000-01-01

    Several researchers looking at the development of international export specialisation patterns have shown that there is a weak tendency for OECD countries to exhibit decreased levels of specialisation. This finding is in contrast to findings made by other authors, who found increasing technological...... specialisation. The first aim of this paper is to investigate whether these contradictory findings are due to a `real world' phenomenon, or whether the explanation is purely technical, by comparing the development of export specialisation to specialisation in terms of US patents, using the same methodology...... and level of aggregation. The second aim is to analyse the extent to which countries and sectors display stable specialisation patterns over time, also both in terms of exports and in terms of technology. The paper confirms that the OECD countries tend in general to become less specialised in terms...

  14. New technologies in public relations

    Directory of Open Access Journals (Sweden)

    Dariusz Tworzydło

    2013-12-01

    Full Text Available The article includes an analysis and presentation of selected examples of communication tools, which are used in companies to create and maintain relationships with internal and external environment. The problems related with definition of public relations were also discussed. The article presents the advantage and negative consequences of the use of modern tools of PR, as well.

  15. Abuse-deterrent formulations, an evolving technology against the abuse and misuse of opioid analgesics.

    Science.gov (United States)

    Schaeffer, Tammi

    2012-12-01

    The increased use of opioid pain medication has been mirrored by the increased misuse and abuse of these drugs. As part of a multidisciplinary approach to this epidemic, pharmaceutical companies, with the encouragement of the Food and Drug Administration, have increased the development of abuse-deterrent formulations. While all have the goal of treating pain while mitigating misuse and abuse, there are different technologies utilized to impart the abuse-deterrent properties. The goal of this paper is to review the basis of abuse-deterrent formulations, the different types and approaches of some of the abuse-deterrent products, and their current regulatory status in the USA.

  16. Human-computer interaction handbook fundamentals, evolving technologies and emerging applications

    CERN Document Server

    Sears, Andrew

    2007-01-01

    This second edition of The Human-Computer Interaction Handbook provides an updated, comprehensive overview of the most important research in the field, including insights that are directly applicable throughout the process of developing effective interactive information technologies. It features cutting-edge advances to the scientific knowledge base, as well as visionary perspectives and developments that fundamentally transform the way in which researchers and practitioners view the discipline. As the seminal volume of HCI research and practice, The Human-Computer Interaction Handbook feature

  17. Evolving technologies for growing, imaging and analyzing 3D root system architecture of crop plants

    Institute of Scientific and Technical Information of China (English)

    Miguel A Pineros; Pierre-Luc Pradier; Nathanael M Shaw; Ithipong Assaranurak; Susan R McCouch; Craig Sturrock; Malcolm Bennett; Leon V Kochian; Brandon G Larson; Jon E Shaff; David J Schneider; Alexandre Xavier Falcao; Lixing Yuan; Randy T Clark; Eric J Craft; Tyler W Davis

    2016-01-01

    A plant’s ability to maintain or improve its yield under limiting conditions, such as nutrient deficiency or drought, can be strongly influenced by root system architec-ture (RSA), the three-dimensional distribution of the different root types in the soil. The ability to image, track and quantify these root system attributes in a dynamic fashion is a useful tool in assessing desirable genetic and physiological root traits. Recent advances in imaging technology and phenotyp-ing software have resulted in substantive progress in describing and quantifying RSA. We have designed a hydroponic growth system which retains the three-dimen-sional RSA of the plant root system, while allowing for aeration, solution replenishment and the imposition of nutrient treatments, as well as high-quality imaging of the root system. The simplicity and flexibility of the system allows for modifications tailored to the RSA of different crop species and improved throughput. This paper details the recent improvements and innovations in our root growth and imaging system which allows for greater image sensitivity (detection of fine roots and other root details), higher efficiency, and a broad array of growing conditions for plants that more closely mimic those found under field conditions.

  18. Foil X-Ray Mirrors for Astronomical Observations: Still an Evolving Technology

    Science.gov (United States)

    Serlemitsos, Peter J.; Soong, Yang; Okajima, Takashi; Hahne, Devin J.

    2011-01-01

    Foil X-ray mirrors, introduced by the Goddard X-ray Group in the late 1970s, were envisioned as an interim and complementary approach toward increased sensitivity for small inexpensive astronomical instruments. The extreme light weight nature of these mirrors dovetailed beautifully with Japan's small payload missions, leading to several collaborative, earth orbiting observatories, designed primarily for spectroscopy, of which SUZAKU is still in earth orbit. ASTRO-H is the latest joint instrument with Japan, presently in the implementation phase. At Goddard, some 30 years after we introduced them, we are involved with four separate flight instruments utilizing foil X-ray mirrors, a good indication that this technology is here to stay. Nevertheless, an improved spatial resolution will be the most welcomed development by all. The task of preparing upwards of 1000 reflectors, then assembling them into a single mirror with arcmin resolution remains a formidable one. Many, performance limiting approximations become necessary when converting commercial aluminum sheets into 8 quadrant segments, each with approximately 200 nested conical, approximately 4Angstrom surface reflectors, which are then assembled into a single mirror. In this paper we will describe the mirror we are presently involved with, slated for the Goddard high resolution imaging X-ray spectrometer (SXS) onboard ASTRO-H. Improved spatial resolution will be an important enhancement to the science objectives from this instrument. We are accordingly pursuing and will briefly describe in this paper several design and reflector assembly modifications, aimed toward that goal.

  19. Mission Control Technologies: A New Way of Designing and Evolving Mission Systems

    Science.gov (United States)

    Trimble, Jay; Walton, Joan; Saddler, Harry

    2006-01-01

    Current mission operations systems are built as a collection of monolithic software applications. Each application serves the needs of a specific user base associated with a discipline or functional role. Built to accomplish specific tasks, each application embodies specialized functional knowledge and has its own data storage, data models, programmatic interfaces, user interfaces, and customized business logic. In effect, each application creates its own walled-off environment. While individual applications are sometimes reused across multiple missions, it is expensive and time consuming to maintain these systems, and both costly and risky to upgrade them in the light of new requirements or modify them for new purposes. It is even more expensive to achieve new integrated activities across a set of monolithic applications. These problems impact the lifecycle cost (especially design, development, testing, training, maintenance, and integration) of each new mission operations system. They also inhibit system innovation and evolution. This in turn hinders NASA's ability to adopt new operations paradigms, including increasingly automated space systems, such as autonomous rovers, autonomous onboard crew systems, and integrated control of human and robotic missions. Hence, in order to achieve NASA's vision affordably and reliably, we need to consider and mature new ways to build mission control systems that overcome the problems inherent in systems of monolithic applications. The keys to the solution are modularity and interoperability. Modularity will increase extensibility (evolution), reusability, and maintainability. Interoperability will enable composition of larger systems out of smaller parts, and enable the construction of new integrated activities that tie together, at a deep level, the capabilities of many of the components. Modularity and interoperability together contribute to flexibility. The Mission Control Technologies (MCT) Project, a collaboration of

  20. Relations between the technological standards and technological appropriation

    Directory of Open Access Journals (Sweden)

    Carlos Alberto PRADO GUERRERO

    2010-06-01

    Full Text Available The objective of this study is to analyze the educational practices of using Blackboard in blended learning environments with students of higher education to understand the relationship between technological appropriation and standards of educational technology. To achieve that goal, the following research question was raised: ¿To what extent are the standards of education technology with the appropriation of technology in blended learning environments in higher educa­tion related? The contextual framework of this work includes the following topics: the institution, teaching, teachers and students. The design methodology that was used is of a correlation type. Correlations were carried out to determine the frequency and level in the technological standards as well as the appropriation of technology. In the comparison of the results obtained by the students, the teachers and the platform; we found that students in the school study showed a high degree of technology ownership and this was the same for the performance shown on the technological standards. It was established that teachers play a key role in developing the techno­logical appropriation of students and performance in technology standards.

  1. Evolving software reengineering technology for the emerging innovative-competitive era

    Science.gov (United States)

    Hwang, Phillip Q.; Lock, Evan; Prywes, Noah

    1994-01-01

    applications which is facilitated by the integrated tools. The radical savings in the time and cost associated with software, due to use of CASE tools that support combined Reuse of Software and Reengineering of Legacy Code, will add an important impetus to improving the automation of enterprises. This will be reflected in continuing operations, as well as in innovating new business processes. The proposed multi-tool software development is based on state of the art technology, which will be further advanced through the use of open systems for adding new tools and experience in their use.

  2. Evolved-Lithology Clasts in Lunar Breccias: Relating Petrogenetic Diversity to Measured Water Content

    Science.gov (United States)

    Christoffersen, R.; Simon, J. J.; Ross, D. K.

    2017-01-01

    Studies of the inventory and distribution of water in lunar rocks have recently begun to focus on alkali suite samples as possible water repositories, particularly the most highly evolved granitoid lithologies. Although H analyses of feldspars in these rocks have so far pointed to 'low' (less than 20 ppm) H2O contents, there is sufficient variability in the dataset (e.g., 2-20 ppm) to warrant consideration of the petrogenetic factors that may have caused some granitoid-to-intermediate rocks to be dryer or wetter than others. Given that all examples of these rocks occur as clasts in complex impact breccias, the role of impact and other factors in altering water contents established by primary igneous processes becomes a major factor. We are supporting our ongoing SIMS studies of water in evolved lunar lithologies with systematic SEM and EPMA observations. Here we report a synthesis of the observations as part of developing discriminating factors for reconstructing the thermal, crystallization and shock history of these samples as compared with their water contents.

  3. Addressing Issues Related to Technology and Engineering

    Science.gov (United States)

    Technology Teacher, 2008

    2008-01-01

    This article presents an interview with Michael Hacker and David Burghardt, codirectors of Hoftra University's Center for Technological Literacy. Hacker and Burghardt address issues related to technology and engineering. They argue that teachers need to be aware of the problems kids are facing, and how to present these problems in an engaging…

  4. Jupiter's composition: sign of a (relatively) late formation in a chemically evolved protosolar disk

    CERN Document Server

    Guillot, T; Guillot, Tristan; Hueso, Ricardo

    2006-01-01

    It has been proposed that the enrichment in noble gases found by Galileo in Jupiter's atmosphere can be explained by their delivery inside cold planetesimals. We propose instead that this is a sign that the planet formed in a chemically evolved disk and that noble gases were acquired mostly in gaseous form during the planet's envelope capture phase. We show that the combined settling of grains to the disk midplane in the cold outer layers, the condensation of noble gases onto these grains at temperatures below 20-30K, and the evaporation from high disk altitudes effectively lead to a progressive, moderate enrichment of the disk. The fact that noble gases are vaporized from the grains in the hot inner disk regions (e.g. Jupiter formation region) is not a concern because a negative temperature gradient prevents convection from carrying the species into the evaporating region. We show that the ~2 times solar enrichment of Ar, Kr, Xe in Jupiter is hence naturally explained by a continuous growth of the planet gov...

  5. Analyzing Evolving Social Network 2 (EVOLVE2)

    Science.gov (United States)

    2015-04-01

    COVERED (From - To) JUN 2012 – OCT 2014 4. TITLE AND SUBTITLE ANALYZING EVOLVING SOCIAL NETWORKS 2 (EVOLVE2) 5a. CONTRACT NUMBER FA8750-12-2-0186... jazz 198 2742 274 0.14 connect 1095 7825 783 0.014 hep-th 8710 14254 1425 0.0003 netscience 1461 2742 274 0.0013 imdb 6260 98235 9824 0.005 technological

  6. To Evolve Is To Involve: Student Choice in Introduction to Public Relations Classes.

    Science.gov (United States)

    Benigni, Vincent L.; Lariscy, Ruth Ann Weaver; Tinkham, Spencer F.

    2002-01-01

    Focuses on four consecutive quarters of the Introduction to Public Relations class at a university, which offers a public relations major for undergraduates and graduates. Sets out to assay the choices that students make, and analyze possible correlations between their decisions and factors such as choice of major, motivation and student…

  7. The rapidly evolving diagnosis and treatment of age-related macular degeneration.

    Science.gov (United States)

    2009-02-01

    Breakthrough research on age-related macular degeneration is stimulating the development of treatments, improving diagnosis, facilitating prevention through proper nutrition, and providing long-sought documentation on the effectiveness of low vision rehabilitation.Optometrists must take the lead in ensuring that patients reap the benefits. The February observance of Age-Related Macular Degeneration (AMD)/Low Vision Awareness Month provides a good time for optometrists to review their approach to age-related vision loss,ensure that they are ready to provide, or refer patients for, the best possible care, and prepare to conduct education efforts to ensure that their patients, communities, and other healthcare providers are aware of recent advancements.

  8. Transient Receptor Potential Canonical Type 3 Channels - Their Evolving Role in Hypertension and Its Related Complications

    DEFF Research Database (Denmark)

    Wang, Peijian; Liu, Daoyan; Tepel, Martin

    2013-01-01

    , and cerebrovascular events. In this review, we summarize the role of TRPC3 channels in the cardiovascular system, we focus on their pathophysiogical role in hypertension and related target organ damages. We provide new insight into the involvement of TRPC3 channels in the development of hypertension and its related......ABSTRACT: Recent studies indicate that transient receptor potential canonical type 3 (TRPC3) channels contribute to the regulation of blood pressure, vascular and renal function. Several studies show that TRPC3 dysfunction is associated with hypertension, atherosclerosis, cardiac hypertrophy...

  9. Musicians’ profession-related health issues and their evolving transformative learning through biography

    NARCIS (Netherlands)

    Rineke Smilde

    2009-01-01

    Within a study on ‘musicians as lifelong learners’, explorative biographical research was used. When analysing the learning biographies informed by grounded theory, the emergence of profession-related health issues was striking. More than half of the portrayed musicians suffered from both physical

  10. The Evolvement of International Secretariats, Executive Heads and Leadership in Inter-Organizational Relations

    NARCIS (Netherlands)

    Reinalda, B.; Kille, K.J.

    2016-01-01

    This chapter discusses inter-organizational relations (IORs) from the perspective of the international Secretariat of an International Governmental Organization (IGO) and the organization’s Executive Head. IORs are a long-standing phenomenon that resulted from the evolution of IGOs, the increase in

  11. Evolving Thinking and Policies of China's Diplomacy and China-EU Relations

    Institute of Scientific and Technical Information of China (English)

    2009-01-01

    Evolutions and readjustment permeate China’s diplomatic policy in the six decades’ history of PRC, thanks to the tremendous changes happened to both the world and PRC. Enormous opportunities and challenges to China coincide in the present world. China and EU are rising with bigger role to play in the world, though daunting challenges to bilateral relations beckon.

  12. The Evolvement of International Secretariats, Executive Heads and Leadership in Inter-Organizational Relations

    NARCIS (Netherlands)

    Reinalda, B.; Kille, K.J.

    2016-01-01

    This chapter discusses inter-organizational relations (IORs) from the perspective of the international Secretariat of an International Governmental Organization (IGO) and the organization’s Executive Head. IORs are a long-standing phenomenon that resulted from the evolution of IGOs, the increase in

  13. Musicians’ profession-related health issues and their evolving transformative learning through biography

    NARCIS (Netherlands)

    Smilde, Rineke

    2009-01-01

    Within a study on ‘musicians as lifelong learners’, explorative biographical research was used. When analysing the learning biographies informed by grounded theory, the emergence of profession-related health issues was striking. More than half of the portrayed musicians suffered from both physical a

  14. Considerations in change management related to technology.

    Science.gov (United States)

    Luo, John S; Hilty, Donald M; Worley, Linda L; Yager, Joel

    2006-01-01

    The authors describe the complexity of social processes for implementing technological change. Once a new technology is available, information about its availability and benefits must be made available to the community of users, with opportunities to try the innovations and find them worthwhile, despite organizational resistances. The authors reviewed the literature from psychiatry, psychology, sociology, business, and technology to distill common denominators for success and failure related to implementing technology. Beneficial technological innovations that are simple to use and obviously save everyone time and effort are easy to inaugurate. However, innovations that primarily serve management rather than subordinates or front-line utilizers may fail, despite considerable institutional effort. This article reviews and outlines several of the more prominent theoretical models governing successful institutional change. Successful implementation of difficult technological changes requires visionary leadership that has carefully considered the benefits, consulted with influence leaders at all organizational levels to spot unintended consequences and sources of resistance, and developed a detailed plan and continuous quality assurance process to foster implementation over time.

  15. Artificial selection on relative brain size in the guppy reveals costs and benefits of evolving a larger brain.

    Science.gov (United States)

    Kotrschal, Alexander; Rogell, Björn; Bundsen, Andreas; Svensson, Beatrice; Zajitschek, Susanne; Brännström, Ioana; Immler, Simone; Maklakov, Alexei A; Kolm, Niclas

    2013-01-21

    The large variation in brain size that exists in the animal kingdom has been suggested to have evolved through the balance between selective advantages of greater cognitive ability and the prohibitively high energy demands of a larger brain (the "expensive-tissue hypothesis"). Despite over a century of research on the evolution of brain size, empirical support for the trade-off between cognitive ability and energetic costs is based exclusively on correlative evidence, and the theory remains controversial. Here we provide experimental evidence for costs and benefits of increased brain size. We used artificial selection for large and small brain size relative to body size in a live-bearing fish, the guppy (Poecilia reticulata), and found that relative brain size evolved rapidly in response to divergent selection in both sexes. Large-brained females outperformed small-brained females in a numerical learning assay designed to test cognitive ability. Moreover, large-brained lines, especially males, developed smaller guts, as predicted by the expensive-tissue hypothesis, and produced fewer offspring. We propose that the evolution of brain size is mediated by a functional trade-off between increased cognitive ability and reproductive performance and discuss the implications of these findings for vertebrate brain evolution.

  16. Evolution in the fast lane: rapidly evolving sex-related genes in Drosophila.

    Science.gov (United States)

    Haerty, Wilfried; Jagadeeshan, Santosh; Kulathinal, Rob J; Wong, Alex; Ravi Ram, Kristipati; Sirot, Laura K; Levesque, Lisa; Artieri, Carlo G; Wolfner, Mariana F; Civetta, Alberto; Singh, Rama S

    2007-11-01

    A large portion of the annotated genes in Drosophila melanogaster show sex-biased expression, indicating that sex and reproduction-related genes (SRR genes) represent an appreciable component of the genome. Previous studies, in which subsets of genes were compared among few Drosophila species, have found that SRR genes exhibit unusual evolutionary patterns. Here, we have used the newly released genome sequences from 12 Drosophila species, coupled to a larger set of SRR genes, to comprehensively test the generality of these patterns. Among 2505 SRR genes examined, including ESTs with biased expression in reproductive tissues and genes characterized as involved in gametogenesis, we find that a relatively high proportion of SRR genes have experienced accelerated divergence throughout the genus Drosophila. Several testis-specific genes, male seminal fluid proteins (SFPs), and spermatogenesis genes show lineage-specific bursts of accelerated evolution and positive selection. SFP genes also show evidence of lineage-specific gene loss and/or gain. These results bring us closer to understanding the details of the evolutionary dynamics of SRR genes with respect to species divergence.

  17. Technology for collecting and analyzing relational data

    Directory of Open Access Journals (Sweden)

    E. N. Fedorova

    2016-01-01

    Full Text Available Purpose of the study. The scientific and educational organizations use traditionally e-mail with Microsoft Excel spreadsheets and Microsoft Word documents for operational data collection. The disadvantages of this approach include the lack of control of the correctness of the data input, the complexity of processing the information received due to non-relational data model, etc. There are online services that enable to organize the collection of data in a relational form. The disadvantages of these systems are: the absence of thesaurus support; a limited set of elements of data input control; the limited control the operation of the input form; most of the systems is shareware, etc. Thus, it is required the development of Internet data collection and analysis technology, which should allow to identify quickly model the data collected and automatically implement data collection in accordance with this model.Materials and methods. The article describes the technology developed and tested for operational data collection and analysis using "Faramant" system. System operation "Faramant" is based on a model document, which includes three components: description of the data structure; visualization; logic of form work. All stages of the technology are performed by the user using the browser. The main stage of the proposed technology is the definition of the data model as a set of relational tables. To create a table within the system it’s required to determine the name and a list of fields. For each field, you must specify its name and use the control to the data input and logic of his work. Controls are used to organize the correct input data depending on the data type. Based on a model system "Faramant" automatically creates a filling form, using which users can enter information. To change the form visualization, you can use the form template. The data can be viewed page by page in a table. For table rows, you can apply different filters. To

  18. Space nuclear power, propulsion, and related technologies.

    Energy Technology Data Exchange (ETDEWEB)

    Berman, Marshall

    1992-01-01

    Sandia National Laboratories (Sandia) is one of the nation's largest research and development (R&D) facilities, with headquarters at Albuquerque, New Mexico; a laboratory at Livermore, California; and a test range near Tonopah, Nevada. Smaller testing facilities are also operated at other locations. Established in 1945, Sandia was operated by the University of California until 1949, when, at the request of President Truman, Sandia Corporation was formed as a subsidiary of Bell Lab's Western Electric Company to operate Sandia as a service to the U.S. Government without profit or fee. Sandia is currently operated for the U.S. Department of Energy (DOE) by AT&T Technologies, Inc., a wholly-owned subsidiary of AT&T. Sandia's responsibility is national security programs in defense and energy with primary emphasis on nuclear weapon research and development (R&D). However, Sandia also supports a wide variety of projects ranging from basic materials research to the design of specialized parachutes. Assets, owned by DOE and valued at more than $1.2 billion, include about 600 major buildings containing about 372,000 square meters (m2) (4 million square feet [ft2]) of floor space, located on land totalling approximately 1460 square kilometers (km2) (562 square miles [mi]). Sandia employs about 8500 people, the majority in Albuquerque, with about 1000 in Livermore. Approximately 60% of Sandia's employees are in technical and scientific positions, and the remainder are in crafts, skilled labor, and administrative positions. As a multiprogram national laboratory, Sandia has much to offer both industrial and government customers in pursuing space nuclear technologies. The purpose of this brochure is to provide the reader with a brief summary of Sandia's technical capabilities, test facilities, and example programs that relate to military and civilian objectives in space. Sandia is interested in forming partnerships with industry and government

  19. Factors affecting the implementation of complex and evolving technologies: multiple case study of intensity-modulated radiation therapy (IMRT in Ontario, Canada

    Directory of Open Access Journals (Sweden)

    Bak Kate

    2011-07-01

    Full Text Available Abstract Background Research regarding the decision to adopt and implement technological innovations in radiation oncology is lacking. This is particularly problematic since these technologies are often complex and rapidly evolving, requiring ongoing revisiting of decisions regarding which technologies are the most appropriate to support. Variations in adoption and implementation decisions for new radiation technologies across cancer centres can impact patients' access to appropriate and innovative forms of radiation therapy. This study examines the key steps in the process of adopting and implementing intensity modulated radiation therapy (IMRT in publicly funded cancer centres and identifies facilitating or impeding factors. Methods A multiple case study design, utilizing document analysis and key informant interviews was employed. Four cancer centres in Ontario, Canada were selected and interviews were conducted with radiation oncologists, medical physicists, radiation therapists, and senior administrative leaders. Results Eighteen key informants were interviewed. Overall, three centres made fair to excellent progress in the implementation of IMRT, while one centre achieved only limited implementation as of 2009. Key factors that influenced the extent of IMRT implementation were categorized as: 1 leadership, 2 training, expertise and standardization, 3 collaboration, 4 resources, and 5 resistance to change. Conclusion A framework for the adoption and implementation of complex and evolving technologies is presented. It identifies the key factors that should be addressed by decision-makers at specific stages of the adoption/implementation process.

  20. A Theory of Evolving Natural Constants Based on the Unification of General Theory of Relativity and Dirac's Large Number Hypothesis

    Institute of Scientific and Technical Information of China (English)

    PENG Huan-Wu

    2005-01-01

    Taking Dirac's large number hypothesis as true, we have shown [Commun. Theor. Phys. (Beijing, China) 42 (2004) 703] the inconsistency of applying Einstein's theory of general relativity with fixed gravitation constant G to cosmology, and a modified theory for varying G is found, which reduces to Einstein's theory outside the gravitating body for phenomena of short duration in small distances, thereby agrees with all the crucial tests formerly supporting Einstein's theory. The modified theory, when applied to the usual homogeneous cosmological model, gives rise to a variable cosmological tensor term determined by the derivatives of G, in place of the cosmological constant term usually introduced ad hoc. Without any free parameter the theoretical Hubble's relation obtained from the modified theory seems not in contradiction to observations, as Dr. Wang's preliminary analysis of the recent data indicates [Commun.Theor. Phys. (Beijing, China) 42 (2004) 703]. As a complement to Commun. Theor. Phys. (Beijing, China) 42 (2004)703 we shall study in this paper the modification of electromagnetism due to Dirac's large number hypothesis in more detail to show that the approximation of geometric optics still leads to null geodesics for the path of light, and that the general relation between the luminosity distance and the proper geometric distance is still valid in our theory as in Einstein's theory, and give the equations for homogeneous cosmological model involving matter plus electromagnetic radiation. Finally we consider the impact of the modification to quantum mechanics and statistical mechanics, and arrive at a systematic theory of evolving natural constants including Planck's h as well as Boltzmann's kB by finding out their cosmologically combined counterparts with factors of appropriate powers of G that may remain truly constant to cosmologically long time.

  1. FOREWORD: Shape Memory and Related Technologies

    Science.gov (United States)

    Liu, Yong

    2005-10-01

    The International Symposium on Shape Memory and Related Technologies (SMART2004) successfully took place in Singapore from November 24 to 26, 2004. SMART2004 aimed to provide a forum for presenting and discussing recent developments in the processing, characterization, application and performance prediction of shape memory materials, particularly shape memory alloys and magnetic shape memory materials. In recent years, we have seen a surge in the research and application of shape memory materials. This is due on the one hand to the successful applications of shape memory alloys (SMAs), particularly NiTi (nitinol), in medical practices and, on the other hand, to the discovery of magnetic shape memory (MSM) materials (or, ferromagnetic shape memory alloys, FSMAs). In recent years, applications of SMAs in various engineering practices have flourished owing to the unique combination of novel properties including high power density related to shape recovery, superelasticity with tunable hysteresis, high damping capacity combined with good fatigue resistance, excellent wear resistance due to unconventional deformation mechanisms (stress-induced phase transformation and martensite reorientation), and excellent biocompatibility and anticorrosion resistance, etc. In~the case of MSMs (or FSMAs), their giant shape change in a relatively low magnetic field has great potential to supplement the traditional actuation mechanisms and to have a great impact on the world of modern technology. Common mechanisms existing in both types of materials, namely thermoelastic phase transformation, martensite domain switching and their controlling factors, are of particular interest to the scientific community. Despite some successful applications, some fundamental issues remain unsatisfactorily understood. This conference hoped to link the fundamental research to engineering practices, and to further identify remaining problems in order to further promote the applications of shape memory

  2. Special Technologies Related to Electron Beam Welding

    Institute of Scientific and Technical Information of China (English)

    Zhao; Haiyan; Cai; Zhipeng; Wang; Xichang

    2007-01-01

    In order to improve the manufacturing quality of electron beam welding,some technologies are developed by using the special features of electron beam.Comparing with the conventional electron beam welding,the usage of multi-beam technology and micro-beam technology are introduced.In addition.the development of beam diagnostic system is also presented.

  3. 40 CFR 230.74 - Actions related to technology.

    Science.gov (United States)

    2010-07-01

    ... 40 Protection of Environment 24 2010-07-01 2010-07-01 false Actions related to technology. 230.74 Section 230.74 Protection of Environment ENVIRONMENTAL PROTECTION AGENCY (CONTINUED) OCEAN DUMPING SECTION... Minimize Adverse Effects § 230.74 Actions related to technology. Discharge technology should be adapted to...

  4. Generalized Robertson-Walker Space-Time Admitting Evolving Null Horizons Related to a Black Hole Event Horizon

    Science.gov (United States)

    2016-01-01

    A new technique is used to study a family of time-dependent null horizons, called “Evolving Null Horizons” (ENHs), of generalized Robertson-Walker (GRW) space-time (M¯,g¯) such that the metric g¯ satisfies a kinematic condition. This work is different from our early papers on the same issue where we used (1 + n)-splitting space-time but only some special subcases of GRW space-time have this formalism. Also, in contrast to previous work, we have proved that each member of ENHs is totally umbilical in (M¯,g¯). Finally, we show that there exists an ENH which is always a null horizon evolving into a black hole event horizon and suggest some open problems. PMID:27722202

  5. Linking East with West: Websites as a Public Relations Tool for American and Chinese Banks Operating in a Culturally-Evolving Chinese Society

    OpenAIRE

    2002-01-01

    In this thesis, three websites are explored in-depth and serve as a case study for an intercultural comparison of websites as public relations tools. The websites of Industrial and Commercial Bank of China (ICBC), Shanghai Pudong Development Bank (SPDB), and Citibank were evaluated for this specific study because they represent three models of current banks operating in a culturally-evolving Chinese society. The two-way symmetrical model of public relations and the personal influence model ha...

  6. High-tech cargo : logistics technologies are evolving to help improve efficiencies in moving oil and gas equipment

    Energy Technology Data Exchange (ETDEWEB)

    Stastny, P.

    2007-10-15

    Like electronic data interchange (EDI), radio frequency identification (RFID) is a logistics tool developed to aid companies in managing their assets efficiently. RFID is used by companies improve shipment tracking, as well as to improve supply chain efficiencies. The technology uses tiny devices called RFID tags or transponders encoded with specific data about shipments. The tag emits a signal that is read by remote control as it passes through a warehouse gate. While RFID is currently used for pallets, it is hoped that the technology will soon be used for individual objects. Web-based systems are now being used to directly trace and monitor shipments as well as to identify potential delays. Schenker International has recently introduced a transportation management system (TMS) for oil and gas clients. The system is a website that manages shipments from purchase order to site delivery, and functions as a forum for all parties to each shipment. It was concluded that use of the TMS allows oil and gas operators to improve planning efficiencies. 1 fig.

  7. Mediated Effects of Technology Competencies and Experiences on Relations among Attitudes Towards Technology Use, Technology Ownership, and Self Efficacy about Technological Pedagogical Content Knowledge

    Science.gov (United States)

    Yerdelen-Damar, Sevda; Boz, Yezdan; Aydın-Günbatar, Sevgi

    2017-03-01

    This study examined the relations of preservice science teachers' attitudes towards technology use, technology ownership, technology competencies, and experiences to their self-efficacy beliefs about technological pedagogical content knowledge (TPACK). The present study also investigated interrelations among preservice teachers' attitudes towards technology use, technology ownership, technology competencies, and experiences. The participants of study were 665 elementary preservice science teachers (467 females, 198 males) from 7 colleges in Turkey. The proposed model based on educational technology literature was tested using structural equation modeling. The model testing results revealed that preservice teachers' technology competencies and experiences mediated the relation of technology ownership to their TPACK self efficacy beliefs. The direct relation of their possession of technology to their TPACK self efficacy beliefs was insignificant while the indirect relation through their technology competencies and experiences was significant. The results also indicated there were significant direct effects of preservice teachers' attitudes towards technology use, technology competencies, and experiences on their TPACK self efficacy beliefs.

  8. Mediated Effects of Technology Competencies and Experiences on Relations among Attitudes Towards Technology Use, Technology Ownership, and Self Efficacy about Technological Pedagogical Content Knowledge

    Science.gov (United States)

    Yerdelen-Damar, Sevda; Boz, Yezdan; Aydın-Günbatar, Sevgi

    2017-08-01

    This study examined the relations of preservice science teachers' attitudes towards technology use, technology ownership, technology competencies, and experiences to their self-efficacy beliefs about technological pedagogical content knowledge (TPACK). The present study also investigated interrelations among preservice teachers' attitudes towards technology use, technology ownership, technology competencies, and experiences. The participants of study were 665 elementary preservice science teachers (467 females, 198 males) from 7 colleges in Turkey. The proposed model based on educational technology literature was tested using structural equation modeling. The model testing results revealed that preservice teachers' technology competencies and experiences mediated the relation of technology ownership to their TPACK self efficacy beliefs. The direct relation of their possession of technology to their TPACK self efficacy beliefs was insignificant while the indirect relation through their technology competencies and experiences was significant. The results also indicated there were significant direct effects of preservice teachers' attitudes towards technology use, technology competencies, and experiences on their TPACK self efficacy beliefs.

  9. A Qualitative Assessment of Current CCF Guidance Based on a Review of Safety System Digital Implementation Changes with Evolving Technology

    Energy Technology Data Exchange (ETDEWEB)

    Korsah, Kofi [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Muhlheim, Michael David [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Wood, Richard [Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

    2016-04-01

    The US Nuclear Regulatory Commission (NRC) is initiating a new rulemaking project to develop a digital system common-cause failure (CCF) rule. This rulemaking will review and modify or affirm the NRC's current digital system CCF policy as discussed in the Staff Requirements Memorandum to the Secretary of the Commission, Office of the NRC (SECY) 93-087, Policy, Technical, and Licensing Issues Pertaining to Evolutionary and Advanced Light Water Reactor (ALWR) Designs, and Branch Technical Position (BTP) 7-19, Guidance on Evaluation of Defense-in-Depth and Diversity in Digital Computer-Based Instrumentation and Control Systems, as well as Chapter 7, Instrumentation and Controls, in NRC Regulatory Guide (NUREG)-0800, Standard Review Plan for Review of Safety Analysis Reports for Nuclear Power Plants (ML033580677). The Oak Ridge National Laboratory (ORNL) is providing technical support to the NRC staff on the CCF rulemaking, and this report is one of several providing the technical basis to inform NRC staff members. For the task described in this report, ORNL examined instrumentation and controls (I&C) technology implementations in nuclear power plants in the light of current CCF guidance. The intent was to assess whether the current position on CCF is adequate given the evolutions in digital safety system implementations and, if gaps in the guidance were found, to provide recommendations as to how these gaps could be closed.

  10. RECENT RELATED RESEARCH IN TECHNOLOGY ACCEPTANCE MODEL: A LITERATURE REVIEW

    Directory of Open Access Journals (Sweden)

    Shih-Chih Chen

    2011-10-01

    Full Text Available Technology Acceptance Model is widely applied to access users’ usage in various information system/information technology areas. Learning the critical role of Technology Acceptance Model can guide researchers to design different users’ interface for different online customers, and consequently achieve high user usage in different application areas. This study reviewed 24 studies to understand the past, now and future of Technology Acceptance Model. We discussed the related studies to clarify the extension of Technology Acceptance Model. Besides, the application areas are elaborated including electronic service, mobile data service, self-service technology, electronic learning and so on. Finally, the article concluded the conclusions and future research direction.

  11. RECENT RELATED RESEARCH IN TECHNOLOGY ACCEPTANCE MODEL: A LITERATURE REVIEW

    OpenAIRE

    Shih-Chih Chen; Shing-Han Li; Chien-Yi Li

    2011-01-01

    Technology Acceptance Model is widely applied to access users’ usage in various information system/information technology areas. Learning the critical role of Technology Acceptance Model can guide researchers to design different users’ interface for different online customers, and consequently achieve high user usage in different application areas. This study reviewed 24 studies to understand the past, now and future of Technology Acceptance Model. We discussed the related studies to ...

  12. Several Legal Issues Relating to Service Technological Results

    Institute of Scientific and Technical Information of China (English)

    2006-01-01

    How "the rights and interests in the intellectual property rights of the scientists and technicians should be protected and the entity achieving the service-related technological results should remunerate, under law, those achieving the service-related technological results and those making outstanding contribution to the transfer of the technological results" are important issues encountered in China in its efforts to improve its innovation capacity and build up a new nation. The current legal system in...

  13. Cyborg intentionality : rethinking the phenomenology of human- technology relations

    NARCIS (Netherlands)

    Verbeek, Peter P.C.C.

    2008-01-01

    This article investigates the types of intentionality involved in human-technology relations. It aims to augment Don Ihde's analysis of the relations between human beings and technological artifacts, by analyzing a number of concrete examples at the limits of Ihde's analysis. The article

  14. Relativity foundations & philosophy of science & technology

    CERN Document Server

    Angel, Roger B

    1980-01-01

    Relativity: The Theory and its Philosophy provides a completely self-contained treatment of the philosophical foundations of the theory of relativity. It also surveys the most essential mathematical techniques and concepts that are indispensable to an understanding of the foundations of both the special and general theories of relativity. In short, the book includes a crash course in applied mathematics, ranging from elementary trigonometry to the classical tensor calculus.Comprised of 11 chapters, this book begins with an introduction to fundamental mathematical concepts such as sets, relatio

  15. Technology diffusion of energy-related products in residential markets

    Energy Technology Data Exchange (ETDEWEB)

    Davis, L.J.; Bruneau, C.L.

    1987-05-01

    Acceptance of energy-related technologies by end residential consumers, manufacturers of energy-related products, and other influential intermediate markets such as builders will influence the potential for market penetration of innovative energy-related technologies developed by the Department of Energy, Office of Building and Community Systems (OBCS). In this report, Pacific Northwest Laboratory reviewed the available information on technology adoption, diffusion, and decision-making processes to provide OBCS with a background and understanding of the type of research that has previously been conducted on this topic. Insight was gained as to the potential decision-making criteria and motivating factors that influence the decision-maker(s) selection of new technologies, and some of the barriers to technology adoption faced by potential markets for OBCS technologies.

  16. Enhancing Virtual Teams: Relations vs. Communication Technology

    NARCIS (Netherlands)

    Smagt, A.G.M. van der

    2000-01-01

    Are virtual teams an adequate alternative for co-located (face-to-face) teams in case of complex, equivocal relations? Business scientists are predominantly pessimistic. They argue that “rich” media – those that transmit higher levels of nonverbal cues – are necessary in these circumstances. In this

  17. Nuclear technology and chronic diseases: an exploratory study evolving the clinical physician perception; Doencas cronicas e tecnologia nuclear: estudo exploratorio envolvendo a percepcao de medicos clinicos

    Energy Technology Data Exchange (ETDEWEB)

    Sato, Renato Cesar

    2010-07-01

    This research is an exploratory cross-sectional study about the relationship of chronic disease and the use of nuclear technology. There is a concern over the increase of the prevalence of chronic disease in developing countries and it should hence be carefully evaluated in the context of societies, organizations and individuals. The technological advances experienced in the last decades especially in the nuclear technology area have created expectations to deal more efficiently with the challenge of chronic diseases. However little has been explored in this area under the point-of-view of medical doctors as agents who make this system of relations between disease and technology. The necessity for public and private planning to deal with this set of problems can benefit through an initial evaluation about the forthcoming theme, but should incorporate the agenda of health and technology planning for the following years. Using mixed methodology, made up of qualitative and quantitative approach, this research sought to reveal and configure important dimensions around the theme of this study. The field research was made up of interviews analyzed using techniques of fundamental theory and also of questionnaires sent by web analyzed statistically using exploratory factor analysis. These ventures allowed dimensions to be revealed that make up the perception of chronic disease and the use of nuclear technology. These dimensions presented in a form of a theoretical construct that were then discussed under the point of view of social theory and technological innovation. (author)

  18. Smartphone, an Evolving Payment Gateway: A Study on Mobile Payment and Related Infrastructures in Norway and China

    OpenAIRE

    Yao, Monan

    2015-01-01

    This qualitative research aims to study mobile payment in Norway and China from the perspective of infrastructures. To gain a deep understanding of mobile payment, my journey started from the understanding of preceding payment methods and relevant monetary history. Using the Information infrastructure theory as a theoretical framework, analytical model was invented for classifying and comparing technologies from an infrastructure point of view. An intrinsic multi-case study is conducted in th...

  19. Secondary relative evaluations on regional technology innovation capability in SMEs

    Institute of Scientific and Technical Information of China (English)

    BI Ke-xin; SUN Jin-hua; FENG Ying-jun

    2005-01-01

    According to this problem that every regional technology innovation of SMEs and innovation environment are different, the method on secondary relative evaluation to measure the innovation capability of SMEs in 9 provinces and 3 municipalities is developed in this paper. First the Fuzzy Integral Comprehensive Evaluation is adopted to measure the comprehensive index states of technological innovation of SMEs in different regions,and then the BCC model in Data Envelopment Analysis is used to calculate the secondary relative evaluation of regional technology innovation capability in SMEs, so that this method not only settles the relevance between indexes influencing regional technology innovation capability of SMEs, but also eliminates the influence of objective basic condition, and then provides bases for every region to make out policies and rules on technological innovation of SMEs and for enterprise to establish relevant strategy of technological innovation.

  20. Good relations with technology: Empirical ethics and aesthetics in care.

    Science.gov (United States)

    Pols, Jeannette

    2017-01-01

    This article is a written version of the lecture for the IPONS conference in Stockholm. The article starts from the claim that there is no such thing as technology, only different variations of technologies. These technologies, plural, all have their specific workings that we can only learn about by studying these empirically, by analysing the relations between people and their technologies. These relations are always unpredictable, as it is not given beforehand what values the participants pursue. Studying and understanding the workings of healthcare technology is a crucial task for nursing studies, as nurses are often key actors in making these devices work. The article hands the reader some tools to engage in the study of technologies in practice, using an empirical ethics approach. © 2016 John Wiley & Sons Ltd.

  1. Multitasking Technology for Turn-Mill Lathes Evolves%多任务车铣复合加工技术发展

    Institute of Scientific and Technical Information of China (English)

    周淞

    2011-01-01

    The concept of turn-mill on one machine has been around for quite a while. But the technology has evolved (and continues to) over time as OEMs have found new ways to optimize productivity, profitability and part quality.%本文介绍了车铣技术在各类机床、工艺和编程的广泛应用。在一台机床上实施车铣操作这一概念已经存在了相当长的时间。但由于原始设备制造商已经找到能优化生产率、利润率和零件质量的新方法,因此技术也随之发展(具有持续性)。它可以帮助一家车间确定向多任务生产转变的合适时机,并确保其有合适的工具。

  2. Postphenomenological Investigations: Essays on Human-Technology Relations

    NARCIS (Netherlands)

    Rosenberger, Robert; Verbeek, Peter-Paul

    2015-01-01

    Postphenomenological Investigations: Essays on Human–Technology Relations provides an introduction to the school of thought called postphenomenology and showcases projects at the cutting edge of this perspective. Postphenomenology presents a unique blend of insights from the philosophical traditions

  3. Development of Information Technology of Object-relational Databases Design

    Directory of Open Access Journals (Sweden)

    Valentyn A. Filatov

    2012-12-01

    Full Text Available The article is concerned with the development of information technology of object-relational databases design and study of object features infological and logical database schemes entities and connections.

  4. Mediated Effects of Technology Competencies and Experiences on Relations among Attitudes towards Technology Use, Technology Ownership, and Self Efficacy about Technological Pedagogical Content Knowledge

    Science.gov (United States)

    Yerdelen-Damar, Sevda; Boz, Yezdan; Aydin-Günbatar, Sevgi

    2017-01-01

    This study examined the relations of preservice science teachers' attitudes towards technology use, technology ownership, technology competencies, and experiences to their self-efficacy beliefs about technological pedagogical content knowledge (TPACK). The present study also investigated interrelations among preservice teachers' attitudes towards…

  5. The Evolving Genotypic Profile of HIV-1 Mutations Related to Antiretroviral Treatment in the North Region of Brazil.

    Science.gov (United States)

    Lopes, Carmen Andréa F; Soares, Marcelo A; Falci, Diego R; Sprinz, Eduardo

    2015-01-01

    HIV related mutations can be associated with decreased susceptibility to antiretrovirals and treatment failures. There is scarce information about HIV mutations in persons failing HIV treatment in North of Brazil. Our aim was to evaluate evolution of HIV subtypes and mutations patterns related to antiretroviral therapy in this region. We investigated HIV resistance profile in adults failing antiretroviral regimen in Northern Brazil from January, 2004, through December, 2013. Genotype data was evaluated through Stanford University algorithm. There were 377 genotypes from different individuals to evaluate. Resistance mutations were similar to worldwide reports and related to antiretroviral exposure. Most prevalent mutations in the reverse transcriptase gene were M184V (80.1%) and K130N (40.6%). Thymidine associated mutations were more frequent in multiexperienced patients. Most common protease mutations were M46I, V82A, I54V, L90M, I84V, M46L, and L76V. Subtype B was the most prevalent (90.7%). There were differences between subtypes B and non-B mutations. We documented for the first time subtypes and patterns of HIV associated mutations in Northern Brazil. A1 subtype was identified for the first time in this area. Depending on drug regimen and how experienced the patient is, an empirical switch of a failing antiretroviral treatment could be a reasonable option.

  6. The evolving relation between star-formation rate and stellar mass in the VIDEO Survey since $z=3$

    CERN Document Server

    Johnston, Russell; Jarvis, Matt; Smith, Mathew; Giovannoli, Elodie; Häußler, Boris; Prescott, Matthew

    2015-01-01

    We investigate the star-formation rate (SFR) and stellar mass ($M_*$) relation of a star-forming (SF) galaxy sample in the XMM-LSS field to $z\\sim 3.0$ using the near-infrared data from the VISTA Deep Extragalactic Observations (VIDEO) survey. Combining VIDEO with broad-band photometry, we use the SED fitting algorithm CIGALE to derive SFRs and $M_*$ and have adapted it to account for the full photometric redshift PDF uncertainty. Applying a SF selection using the D4000 index, we find evidence for strong evolution in the normalisation of the SFR-$M_*$ relation out to $z\\sim 3$ and a roughly constant slope of (SFR $\\propto M_*^{\\alpha}$) $\\alpha=0.69\\pm0.02$ to $z\\sim 1.7$. We find this increases close to unity toward $z\\sim2.65$. Alternatively, if we apply a colour selection, we find a distinct turnover in the SFR-$M_*$ relation between $0.7\\lesssim z\\lesssim2.0$ at the high mass end, and suggest that this is due to an increased contamination from passive galaxies. We find evolution of the specific SFR $\\prop...

  7. The Evolving Genotypic Profile of HIV-1 Mutations Related to Antiretroviral Treatment in the North Region of Brazil

    Directory of Open Access Journals (Sweden)

    Carmen Andréa F. Lopes

    2015-01-01

    Full Text Available HIV related mutations can be associated with decreased susceptibility to antiretrovirals and treatment failures. There is scarce information about HIV mutations in persons failing HIV treatment in North of Brazil. Our aim was to evaluate evolution of HIV subtypes and mutations patterns related to antiretroviral therapy in this region. We investigated HIV resistance profile in adults failing antiretroviral regimen in Northern Brazil from January, 2004, through December, 2013. Genotype data was evaluated through Stanford University algorithm. There were 377 genotypes from different individuals to evaluate. Resistance mutations were similar to worldwide reports and related to antiretroviral exposure. Most prevalent mutations in the reverse transcriptase gene were M184V (80.1% and K130N (40.6%. Thymidine associated mutations were more frequent in multiexperienced patients. Most common protease mutations were M46I, V82A, I54V, L90M, I84V, M46L, and L76V. Subtype B was the most prevalent (90.7%. There were differences between subtypes B and non-B mutations. We documented for the first time subtypes and patterns of HIV associated mutations in Northern Brazil. A1 subtype was identified for the first time in this area. Depending on drug regimen and how experienced the patient is, an empirical switch of a failing antiretroviral treatment could be a reasonable option.

  8. The immunity-related GTPases in mammals: a fast-evolving cell-autonomous resistance system against intracellular pathogens.

    Science.gov (United States)

    Hunn, Julia P; Feng, Carl G; Sher, Alan; Howard, Jonathan C

    2011-02-01

    The immunity-related GTPases (IRGs) belong to the family of large, interferon-inducible GTPases and constitute a cell-autonomous resistance system essential for the control of vacuolar pathogens like Toxoplasma gondii in mice. Recent results demonstrated that numerous IRG members accumulate collaboratively at the parasitophorous vacuole of invading T. gondii leading to the destruction of the vacuole and the parasite and subsequent necrotic host cell death. Complex regulatory interactions between different IRG proteins are necessary for these processes. Disturbance of this finely balanced system, e.g., by single genetic deficiency for the important negative regulator Irgm1 or the autophagic regulator Atg5, leads to spontaneous activation of the effector IRG proteins when induced by IFNγ. This activation has cytotoxic consequences resulting in a severe lymphopenia, macrophage defects, and failure of the adaptive immune system in Irgm1-deficient mice. However, alternative functions in phagosome maturation and induction of autophagy have been proposed for Irgm1. The IRG system has been studied primarily in mice, but IRG genes are present throughout the mammalian lineage. Interestingly, the number, type, and diversity of genes present differ greatly even between closely related species, probably reflecting intimate host-pathogen coevolution driven by an armed race between the IRG resistance proteins and pathogen virulence factors. IRG proteins are targets for polymorphic T. gondii virulence factors, and genetic variation in the IRG system between different mouse strains correlates with resistance and susceptibility to virulent T. gondii strains.

  9. The Tully-Fisher Relation as a Measure of Luminosity Evolution A Low Redshift Baseline for Evolving Galaxies

    CERN Document Server

    Barton, E J; Bromley, B C; Van Zee, L; Kenyon, S J; Barton, Elizabeth J.; Geller, Margaret J.; Bromley, Benjamin C.; Zee, Liese van; Kenyon, Scott J.

    2001-01-01

    We use optical rotation curves to investigate the R-band Tully-Fisher properties of a sample of 90 spiral galaxies in close pairs. The galaxies follow the Tully-Fisher relation remarkably well, with the exception of eight distinct 3-sigma outliers. Although most of the outliers show signs of recent star formation, gasdynamical effects are probably the dominant cause of their anomalous Tully-Fisher properties. Four outliers with small emission line widths have very centrally concentrated line emission and truncated rotation curves; the central emission indicates recent gas infall after a close galaxy-galaxy pass. These four galaxies may be local counterparts to compact, blue galaxies at intermediate redshift. The remaining galaxies have a negligible offset from the reference Tully-Fisher relation, but a shallower slope (2.6-sigma significance) and a 25% larger scatter. We characterize the non-outlier sample with measures of distortion and star formation to search for third parameter dependence in the residuals...

  10. Public Relations and Technology Transfer Offices: An Assessment of US Universities' Relations with Media and Government

    Science.gov (United States)

    Haney, James M.; Cohn, Andrew

    2004-01-01

    This article discusses the importance for technology transfer offices of sound media and government relations strategies. It reports the results of a nationwide electronic survey in the USA and interviews with technology transfer managers on how they handle public relations issues in their offices. Strengths and weaknesses of their communication …

  11. Chunk concatenation evolves with practice and sleep-related enhancement consolidation in a complex arm movement sequence

    Directory of Open Access Journals (Sweden)

    Blischke Klaus

    2016-06-01

    Full Text Available This paper addresses the notion of chunk concatenation being associated with sleep-related enhancement consolidation of motor sequence memory, thereby essentially contributing to improvements in sequence execution speed. To this end, element movement times of a multi-joint arm movement sequence incorporated in a recent study by Malangré et al. (2014 were reanalyzed. As sequence elements differed with respect to movement distance, element movement times had to be purged from differences solely due to varying trajectory lengths. This was done by dividing each element movement time per subject and trial block by the respective “reference movement time” collected from subjects who had extensively practiced each sequence element in isolation. Any differences in these “relative element movement times” were supposed to reflect element-specific “production costs” imposed solely by the sequence context. Across all subjects non-idiosyncratic, lasting sequence segmentation was shown, and four possible concatenation points (i.e. transition points between successive chunks within the original arm movement sequence were identified. Based on theoretical suppositions derived from previous work with the discrete sequence production task and the dual processor model (Abrahamse et al., 2013, significantly larger improvements in transition speed occurring at these four concatenation points as compared to the five fastest transition positions within the sequence (associated with mere element execution were assumed to indicate increased chunk concatenation. As a result, chunk concatenation was shown to proceed during acquisition with physical practice, and, most importantly, to significantly progress some more during retention following a night of sleep, but not during a waking interval.

  12. Advances in graphene-related technologies: synthesis, devices and outlook.

    Science.gov (United States)

    Frazier, R M; Hough, W L; Chopra, N; Hathcock, K W

    2012-06-01

    Graphene has been the subject of many scientific investigations since exfoliation methods facilitated isolation of the two-dimensional material. During this time, new synthesis methods have been developed which have opened technological opportunities previously hindered by synthetic constraints. An update on the recent advances in graphene-based technologies, including synthesis and applications into electrical, mechanical and thermal uses will be covered. A special focus on the patent space and commercial landscape will be given in an effort to identify current trends and future commercialization of graphene-related technologies.

  13. The Nursing Informatician's Role in Mediating Technology Related Health Literacies.

    Science.gov (United States)

    Nelson, Ramona; Carter-Templeton, Heather D

    2016-01-01

    The advent of computer based technology and the internet have not changed nurses' responsibility for patient education; but they are rapidly changing what we teach and how we teach. The challenge for nursing informaticians is to create innovative patient education models and applications with the goal of achieving literate, engaged, empowered and informed patients as well as preparing health professionals to maximize the advantages offered by digital media and other new technology based tools. This paper explores the interrelationship of basic literacy, health literacy and technology related literacies that provide the foundation for achieving these goals.

  14. Phylogeny of Heterokonta: Incisomonas marina, a uniciliate gliding opalozoan related to Solenicola (Nanomonadea), and evidence that Actinophryida evolved from raphidophytes.

    Science.gov (United States)

    Cavalier-Smith, Thomas; Scoble, Josephine Margaret

    2013-08-01

    Environmental rDNA sequencing has revealed many novel heterokont clades of unknown morphology. We describe a new marine heterotrophic heterokont flagellate, Incisomonas marina, which most unusually lacks an anterior cilium. It glides and swims with its cilium trailing behind, but is predominantly sedentary on the substratum, with or without a cilium. 18S rDNA sequence phylogeny groups Incisomonas strongly within clade MAST-3; with others it forms a robust sister clade to Solenicola, here grouped with it as new order Uniciliatida, placed within new class Nanomonadea encompassing MAST-3. Our comprehensive maximum likelihood heterokont phylogeny shows Nanomonadea as sister to MAST-12 plus Opalinata within Opalozoa, and that Actinophryida are not Opalozoa (previously suggested by distance trees), but highly modified raphidomonads, arguably related to Heliorapha (formerly Ciliophrys) azurina gen., comb. n. We discuss evolution of Actinophryida from photosynthetic raphidophytes. Clades MAST-4,6-11 form one early-branching bigyran clade. Olisthodiscus weakly groups with Hypogyristea not Raphidomonadea. Phylogenetic analysis shows that MAST-13 is all Bicosoeca. Some gliding uniciliates similar to Incisomonas marina seem to have been misclassified: therefore we establish Incisomonas devorata comb. n. for Rigidomastix devoratum, revise the genus Rigidomastix, transfer Clautriavia parva to Kiitoksia. We make 17 new familes (13 heterokont (three algal), two cercozoan, two amoebozoan).

  15. Flat rotation curves and a non-evolving Tully-Fisher relation from KMOS galaxies at z~1

    CERN Document Server

    Di Teodoro, E M; Miller, S H

    2016-01-01

    The study of the evolution of star-forming galaxies requires the determination of accurate kinematics and scaling relations out to high redshift. In this paper, we select a sample of 18 galaxies at z~1, observed in the H-alpha emission-line with KMOS, to derive accurate kinematics using a novel 3D analysis technique. We use the new code 3D-Barolo, that models the galaxy emission directly in the 3D observational space, without the need to extract kinematic maps. This technique's major advantage is that it is not affected by beam smearing and thus it enables accurate determination of rotation velocity and internal velocity dispersion, even at low spatial resolution. We find that: 1) the rotation curves of these z~1 galaxies rise very steeply within few kiloparsecs and remain flat out to the outermost radius and 2) the H-alpha velocity dispersions are low, ranging from 15 to 40 km/s, which leads to V/sigma = 3-10. These characteristics are remarkably similar to those of disc galaxies in the local Universe. Final...

  16. Web Development Technology-PHP. How It Is Related To Web Development Technology ASP.NET

    Directory of Open Access Journals (Sweden)

    Manya Sharma

    2015-01-01

    Full Text Available ABSTRACT This paper tells about the technologies used in PHP and how they are related to ASP.NET. The paper begin with the introduction of PHP defining what and how technologies has been used in development of User Complaint Web Application. How thistechnology is related to ASP.NET in features such as implementation functionality validation and proactive behavior involved in validating user input from the browser providing users feedback overall time consumed in development and maintenance.

  17. Generating Relational Competitive Advantage from Strategic Technological Partnership

    DEFF Research Database (Denmark)

    Hu, Yimei; Zhang, Si; Li, Jizhen

    2012-01-01

    Collaborating with external partners on strategic technological partnerships (STPs) have been popular phenomena for long, which leads new development in existing theories on competitive advantage. Under the relational view, the competitive advantage is jointly generated by alliance firms. Though ...... appropriation. In order to avoid opportunism and learning races, the success of an STP requires an integration and interaction among three ways of governance: economic investments or hostage, legal contract and trustful social relationships.......Collaborating with external partners on strategic technological partnerships (STPs) have been popular phenomena for long, which leads new development in existing theories on competitive advantage. Under the relational view, the competitive advantage is jointly generated by alliance firms. Though...

  18. Nanotechnology, risk, and oversight: learning lessons from related emerging technologies.

    Science.gov (United States)

    Kuzma, Jennifer; Priest, Susanna

    2010-11-01

    Emerging technologies are defined by their novelty and thus are accompanied by significant uncertainty in determining appropriate ways to manage risks associated with them. Yet, there is a body of prior knowledge about risk management and oversight policy for other technologies that have already permeated society. Here, we describe two ways in which prospective oversight policy analysis for emerging technologies can draw upon these past experiences. One involves comparing specific products that have already been marketed to similar products of the emerging technology (cognate-product approach). The other treats the emerging technology as a body of products and methods and relates it to another technological field that has already emerged and penetrated markets (whole-technology approach). In this article, we describe our work using these approaches to inform risk and oversight policy for nanotechnology and its products. We draw parallels between biotechnology and nanotechnology as whole fields of development and also between genetically engineered organisms in the food supply and agricultural products of nanotechnology. Through these comparisons, we find that both approaches to historical learning have value and present lessons that could be applied to nanotechnology. © 2010 Society for Risk Analysis.

  19. Identification of Military-related Science and Technology

    Directory of Open Access Journals (Sweden)

    Ronald N. Kostoff

    2010-04-01

    Full Text Available A proof-of-principle demonstration for extracting military-related technologies from a country's total technology publications has been performed, and applied to the Indian science and technology literature#. The method is general and can be applied to the extraction of any meta-category (e.g., intelligence-relevanttechnologies, infrastructure-relevant technologies, etc which is not easily obtained from document clustering or factor analysis. The methodology for identifying relevant literature on military science appears to provide credible results. The volume of literature retrieved will vary depending on how strongly relevant is the desired literature. For the same definitions of 'military relevant', the volume of India's literature in the Ei Compendex database was an order of magnitude less than that of the USA or China.Defence Science Journal, 2010, 60(3, pp.259-270, DOI:http://dx.doi.org/10.14429/dsj.60.352

  20. Measurably evolving populations

    DEFF Research Database (Denmark)

    Drummond, Alexei James; Pybus, Oliver George; Rambaut, Andrew

    2003-01-01

    processes through time. Populations for which such studies are possible � measurably evolving populations (MEPs) � are characterized by sufficiently long or numerous sampled sequences and a fast mutation rate relative to the available range of sequence sampling times. The impact of sequences sampled through...... time has been most apparent in the disciplines of RNA viral evolution and ancient DNA, where they enable us to estimate divergence times without paleontological calibrations, and to analyze temporal changes in population size, population structure and substitution rates. Thus, MEPs could increase our...

  1. Concept relation discovery and innovation enabling technology (CORDIET)

    NARCIS (Netherlands)

    Poelmans, J.; Elzinga, P.; Neznanov, A.; Viaene, S.; Kuznetsov, S.O.; Ignatov, D.; Dedene, G.

    2011-01-01

    Concept Relation Discovery and Innovation Enabling Technology (CORDIET), is a toolbox for gaining new knowledge from unstructured text data. At the core of CORDIET is the C-K theory which captures the essential elements of innovation. The tool uses Formal Concept Analysis (FCA), Emergent Self

  2. Space matters: the relational power of mobile technologies

    Directory of Open Access Journals (Sweden)

    Nancy Odendaal

    2014-01-01

    Full Text Available The ubiquitous presence of mobile telephony and proliferation of digital networks imply a critical role for these technologies in overcoming the constraints of space in fragmented cities. Academic literature draws from a range of disciplines but fails to address the significance of new technologies for African and South African cities. Debates on technologies and urban spaces reflect a Northern bias and case literature that dwells on the developmental aspects of ICT do not engage with the broader significance with regards to urban change in African cities. This research addresses these gaps by examining the local transformative qualities of mobile telephony in a South African city, Durban. It focuses on the ways in which informal traders active in the city use technology. Actor-network theory was used in the analysis of the field work, uncovering material and human actors, network stabilization processes and agency in determining the transformative potential of this form of digital networking at city and local scales. Findings indicate that appropriation of technology is informed by livelihood strategies. Innovation is enabled when translation extends to appropriation. More in-depth research is needed on how technology is molded and appropriated to suit livelihoods. Throughout the research the spatial dimensions of the relationship between mobile telephony and networks were considered. The network spaces that emerge from actor relations do not correspond with the physical spaces usually considered in policy.

  3. The activities of HPPA technology related to ADS in China

    CERN Document Server

    Guan Xia Ling; Ding Da Zhao; Fang Jia Xun; Fang Shou Xian; Fu Shin Ian; Guo, Z Y; Jiang Wei; Li Jie Quan; Luo Zi Hua; Ouyang Hua Fu; Peng Chao Hua; Xu Tao Guang; Xu Wen Wu; Yu Qi; Zhang Zong Hua; Zhao Sheng Chu

    2001-01-01

    High Power Proton Accelerator (HPPA) is being studied all over world for numerous applications, which includes the waste transmutation, spallation neutron source and material irradiation facilities. In China, a multi-purpose verification system as a first phase of Chinese ADS program consists of a low energy accelerator (150 MeV/3 mA proton linac) and a swimming pool light water sub-critical reactor. The activities of HPPA technology related to ADS in China, which includes the intense proton ECR source, the RFQ accelerator and some other technology of HPPA, are described

  4. Relativistic Quantum Metrology: Exploiting relativity to improve quantum measurement technologies

    CERN Document Server

    Ahmadi, Mehdi; Friis, Nicolai; Sabín, Carlos; Adesso, Gerardo; Fuentes, Ivette

    2013-01-01

    We present a framework for relativistic quantum metrology that is useful for both Earth-based and space-based technologies. Quantum metrology has been so far successfully applied to design precision instruments such as clocks and sensors which outperform classical devices by exploiting quantum properties. There are advanced plans to implement these and other quantum technologies in space, for instance Space-QUEST and Space Optical Clock projects intend to implement quantum communications and quantum clocks at regimes where relativity starts to kick in. However, typical setups do not take into account the effects of relativity on quantum properties. To include and exploit these effects, we introduce techniques for the application of metrology to quantum field theory (QFT). QFT properly incorporates quantum theory and relativity, in particular, at regimes where space-based experiments take place. This framework allows for high precision estimation of parameters that appear in QFT including proper times and acce...

  5. Consequences of information technology usage on retailer-supplier relations

    DEFF Research Database (Denmark)

    Esbjerg, Lars

    limited. The purpose of this paper therefore is to study the consequences of information technology usage on retailer supplier relationships, focusing on inter-organisational systems. 2. The paper begins by discussing the nature of retailer-supplier relations, noting that whereas these relationships have...... research. Based on the propositions developed in the paper, it is stressed that managers need to carefully consider the consequences that the use of inter-organisational systems may have on inter-organisational relationship. Further, managers need to realise that the use of inter-organisational systems......1. Retailers and suppliers increasingly tend to form long-term co-operative relationships. In the literature, the use of information technology is an enabling factor behind this trend. Nevertheless, our understanding of how information technology influences retailer-supplier relationships is still...

  6. Active assistance technology for health-related behavior change: an interdisciplinary review.

    Science.gov (United States)

    Kennedy, Catriona M; Powell, John; Payne, Thomas H; Ainsworth, John; Boyd, Alan; Buchan, Iain

    2012-06-14

    Information technology can help individuals to change their health behaviors. This is due to its potential for dynamic and unbiased information processing enabling users to monitor their own progress and be informed about risks and opportunities specific to evolving contexts and motivations. However, in many behavior change interventions, information technology is underused by treating it as a passive medium focused on efficient transmission of information and a positive user experience. To conduct an interdisciplinary literature review to determine the extent to which the active technological capabilities of dynamic and adaptive information processing are being applied in behavior change interventions and to identify their role in these interventions. We defined key categories of active technology such as semantic information processing, pattern recognition, and adaptation. We conducted the literature search using keywords derived from the categories and included studies that indicated a significant role for an active technology in health-related behavior change. In the data extraction, we looked specifically for the following technology roles: (1) dynamic adaptive tailoring of messages depending on context, (2) interactive education, (3) support for client self-monitoring of behavior change progress, and (4) novel ways in which interventions are grounded in behavior change theories using active technology. The search returned 228 potentially relevant articles, of which 41 satisfied the inclusion criteria. We found that significant research was focused on dialog systems, embodied conversational agents, and activity recognition. The most covered health topic was physical activity. The majority of the studies were early-stage research. Only 6 were randomized controlled trials, of which 4 were positive for behavior change and 5 were positive for acceptability. Empathy and relational behavior were significant research themes in dialog systems for behavior change, with

  7. Generating Relational Competitive Advantage from Strategic Technological Partnership

    DEFF Research Database (Denmark)

    Hu, Yimei; Zhang, Si; Li, Jizhen

    2012-01-01

    Collaborating with external partners on strategic technological partnerships (STPs) have been popular phenomena for long, which leads new development in existing theories on competitive advantage. Under the relational view, the competitive advantage is jointly generated by alliance firms. Though...... appropriation. In order to avoid opportunism and learning races, the success of an STP requires an integration and interaction among three ways of governance: economic investments or hostage, legal contract and trustful social relationships....

  8. Relativistic quantum metrology: exploiting relativity to improve quantum measurement technologies.

    Science.gov (United States)

    Ahmadi, Mehdi; Bruschi, David Edward; Sabín, Carlos; Adesso, Gerardo; Fuentes, Ivette

    2014-05-22

    We present a framework for relativistic quantum metrology that is useful for both Earth-based and space-based technologies. Quantum metrology has been so far successfully applied to design precision instruments such as clocks and sensors which outperform classical devices by exploiting quantum properties. There are advanced plans to implement these and other quantum technologies in space, for instance Space-QUEST and Space Optical Clock projects intend to implement quantum communications and quantum clocks at regimes where relativity starts to kick in. However, typical setups do not take into account the effects of relativity on quantum properties. To include and exploit these effects, we introduce techniques for the application of metrology to quantum field theory. Quantum field theory properly incorporates quantum theory and relativity, in particular, at regimes where space-based experiments take place. This framework allows for high precision estimation of parameters that appear in quantum field theory including proper times and accelerations. Indeed, the techniques can be applied to develop a novel generation of relativistic quantum technologies for gravimeters, clocks and sensors. As an example, we present a high precision device which in principle improves the state-of-the-art in quantum accelerometers by exploiting relativistic effects.

  9. The Mass-Loss Return From Evolved Stars to the LMC: Empirical Relations for Excess Emission at 8 and 24 \\mu m

    CERN Document Server

    Srinivasan, Sundar; Leitherer, Claus; Vijh, Uma; Volk, Kevin; Blum, Robert D; Babler, Brian L; Block, Miwa; Bracker, Steve; Cohen, Martin; Engelbracht, Charles W; For, Bi-Qing; Gordon, Karl D; Harris, Jason; Hora, Joseph L; Indebetouw, Remy; Markwick-Kemper, Francisca; Meade, Marilyn; Misselt, Karl A; Sewilo, Marta; Whitney, Barbara

    2009-01-01

    We present empirical relations describing excess emission from evolved stars in the Large Magellanic Cloud (LMC) using data from the SAGE (Surveying the Agents of a Galaxy's Evolution) survey which includes the IRAC 3.6, 4.5, 5.8 and 8.0 \\mu m and MIPS 24, 70 and 160 \\mu m bands. We combine the SAGE data with the Two Micron All Sky Survey (2MASS; J, H and Ks) and the optical Magellanic Cloud Photometric Survey (MCPS; U, B, V and I) point source catalogs to create complete spectral energy distributions (SEDs) of the asymptotic giant branch (AGB) star candidates in the LMC. AGB star outflows are among the main producers of dust in a galaxy, and this mass loss results in an excess in the fluxes observed in the 8 and 24 \\mic m bands. We identify oxygen-rich, carbon-rich and extreme AGB star populations in our sample based on their 2MASS and IRAC colors. We calculate excesses fluxes in the mid-IR bands by comparison of the SEDs with model photospheres. We find about 16,000 O-rich, 6300 C-rich and 1000 extreme sour...

  10. Communicability across evolving networks.

    Science.gov (United States)

    Grindrod, Peter; Parsons, Mark C; Higham, Desmond J; Estrada, Ernesto

    2011-04-01

    Many natural and technological applications generate time-ordered sequences of networks, defined over a fixed set of nodes; for example, time-stamped information about "who phoned who" or "who came into contact with who" arise naturally in studies of communication and the spread of disease. Concepts and algorithms for static networks do not immediately carry through to this dynamic setting. For example, suppose A and B interact in the morning, and then B and C interact in the afternoon. Information, or disease, may then pass from A to C, but not vice versa. This subtlety is lost if we simply summarize using the daily aggregate network given by the chain A-B-C. However, using a natural definition of a walk on an evolving network, we show that classic centrality measures from the static setting can be extended in a computationally convenient manner. In particular, communicability indices can be computed to summarize the ability of each node to broadcast and receive information. The computations involve basic operations in linear algebra, and the asymmetry caused by time's arrow is captured naturally through the noncommutativity of matrix-matrix multiplication. Illustrative examples are given for both synthetic and real-world communication data sets. We also discuss the use of the new centrality measures for real-time monitoring and prediction.

  11. Backward Evolving Quantum States

    CERN Document Server

    Vaidman, L

    2006-01-01

    The basic concept of the two-state vector formalism, which is the time symmetric approach to quantum mechanics, is the backward evolving quantum state. However, due to the time asymmetry of the memory's arrow of time, the possible ways to manipulate a backward evolving quantum state differ from those for a standard, forward evolving quantum state. The similarities and the differences between forward and backward evolving quantum states regarding the no-cloning theorem, nonlocal measurements, and teleportation are discussed. The results are relevant not only in the framework of the two-state vector formalism, but also in the framework of retrodictive quantum theory.

  12. 一种基于HLA Evovled的云仿真技术研究%Cloud Simulation Technology Based on HLA Evolved

    Institute of Scientific and Technical Information of China (English)

    高武奇; 康凤举; 钟联炯; 傅妍芳

    2011-01-01

    In order to realize the sharing of HLA simulation resources on Internet,the infrastructure and realizing framework of a cloud simulation based on HLA Evolved were put forward on the reference of cloud computing and the technical improvement of HLA Evolved.RTI component,modular FOM/SOM object model and WSDL API for the Web services were studied.The key techniques were settled,such as the technique of semantic service registration,discovery and composition,the technique of monitoring and prediction and the technique of distributed simulating and storage based on Hadoop.Then,the research was tested by the designed simulation supposition.The result shows that cloud simulation based on HLA Evolved design approach is feasible and effective.%针对现有HLA仿真资源难以与Internet共享使用的问题,借鉴云计算的思想,采用HLA Evolved相关的技术改进,提出了一种基于HLA Evolved的云仿真的体系结构和框架实现方案;研究了用于Web服务的RTI组件、模块化FOM/SOM对象模型和WSDL API函数等HLA Evolved技术,解决了基于多层语义的服务注册、发现、组合和平台的监控、预测及基于Hadoop的分布式存储、仿真技术;完成了一种战术通信网系统的云仿真测试实验,证明了基于HLA Evolved的云仿真设计方法的可行、有效。

  13. Terahertz Technology for Defense and Security-Related Applications

    DEFF Research Database (Denmark)

    Iwaszczuk, Krzysztof

    This thesis deals with chosen aspects of terahertz (THz) technology that have potential in defense and security-related applications. A novel method for simultaneous data acquisition in time-resolved THz spectroscopy experiments is developed. This technique is demonstrated by extracting the sheet...... conductivity of photoexcited charge carriers in semi-insulating gallium arsenide. Comparison with results obtained using a standard data acquisition scheme shows that the new method minimizes errors originating from uctuations in the laser system output and timing errors in the THz pulse detection. Furthermore...

  14. Study on the Evolvement of Technology Development and Energy Efficiency—A Case Study of the Past 30 Years of Development in Shanghai

    Directory of Open Access Journals (Sweden)

    William X. Wei

    2016-05-01

    Full Text Available Previous research in regional energy efficiency by using macro statistical data has demonstrated that technology development could improve regional energy efficiency. Since the start of reform and opening up in 1978, China has mainly adopted energy import and foreign direct investment to promote economic growth. At the same time, the country has also increased the input of technology and R&D to prompt technological reformation and imported technology absorption. However, there is limited research on the relationship between technology development and energy efficiency. Using the grounded theory method, the authors of this paper study the relationship between technology input-output and energy utilization efficiency in Shanghai over the past 30 years. They conclude that although the tactics of technology import and foreign direct investment can improve energy efficiency in the initial stages of modern industrialization, they cannot improve it continuously. In the more advanced stages of modern industrialization, the improvement of energy efficiency relies not only on increased R&D investment but also on R&D investment structure optimization and independent technological innovation.

  15. The Media of Relativity: Einstein and Telecommunications Technologies.

    Science.gov (United States)

    Canales, Jimena

    2015-07-01

    How are fundamental constants, such as "c" for the speed of light, related to the technological environments that produce them? Relativistic cosmology, developed first by Albert Einstein, depended on military and commercial innovations in telecommunications. Prominent physicists (Hans Reichenbach, Max Born, Paul Langevin, Louis de Broglie, and Léon Brillouin, among others) worked in radio units during WWI and incorporated battlefield lessons into their research. Relativity physicists, working at the intersection of physics and optics by investigating light and electricity, responded to new challenges by developing a novel scientific framework. Ideas about lengths and solid bodies were overhauled because the old Newtonian mechanics assumed the possibility of "instantaneous signaling at a distance." Einstein's universe, where time and space dilated, where the shortest path between two points was often curved and non-Euclidean, followed the rules of electromagnetic "signal" transmission. For these scientists, light's constant speed in the absence of a gravitational field-a fundamental tenet of Einstein's theory-was a lesson derived from communication technologies.

  16. Out-of-School Activities Related to Science and Technology

    Directory of Open Access Journals (Sweden)

    Ángel Vázquez Alonso

    2007-05-01

    Full Text Available Artificial and natural environments constitute an extensive educational resource in whose framework the basic experiences that contribute to the development process of human beings occur. These experiences are the source of previous knowledge that students bring to school and that are key for building scientific school learning. This article reports the results of a study that addresses out-of-school experiences related to science and technology, through the application of an inventory list to a sample of students who were in their last year of compulsory education. The results show a relatively low overall frequency of experiences, characterized by some qualitative and quantitative differences according to a few grouping variables such as gender, the choice of an elective science subject, and different scientific topics and disciplines. In spite of its importance for learning, the school curriculum often ignores students’ previous experiences. Finally, we discuss the relevance of these results for developing a more equitable science and technology curriculum, from a perspective of a universal, humanistic science education.

  17. Twenty-three Years of Evolving "State-of-the-Art" CORK Borehole Geophysical Monitoring: A Review of Technologies and Case Studies

    Science.gov (United States)

    Davis, E. E.; Becker, K.; Meldrum, R.; Heesemann, M.; Villinger, H. W.; Kinoshita, M.; Paros, J. M.; Inderbitzen, K. E.

    2014-12-01

    The first successful attempt to instrument an Ocean Drilling Program borehole for formation pressure and temperature monitoring and fluid sampling was accomplished in 1991 in Hole 857D, and the system there has been in nearly continuous operation since that time. This hole and others that followed have provided many new insights into ocean crustal and subduction zone hydrogeology and geodynamics, while at the same time being the "proving ground" for a number of technological advances in ocean borehole monitoring, including 1) the CORK scheme itself for sealing holes for hydrologic recovery to natural-state conditions after drilling; 2) the use of absolute pressure sensors for monitoring both relative formation pressures and changes in seafloor depth; 3) multi-level completions for pressure monitoring that leave cased borehole interiors open for other instrumentation; 4) the development of ultra-high-precision, low-power digital recording systems for examining the effects on the formation of seismic and microseismic loading; and 5) the proof-of-concept of an optical communications system that eliminates dependence on submersibles or ROVs for data download operations (see Tivey et al., this session). Relatively low-sample-rate data spanning the first part of the more than two decades of operations have shown how large anomalous pressures generated thermally and by deformation can be; how seafloor tidal loading influences formation pressure and can drive an "a.c." component of flow; and how seismogenic and slow strain can be observed by way of formation-fluid pressure transients. More recent instrumentation has allowed much higher fidelity observations (1 Hz sampling at a resolution of 10-8 of full-scale), and thus is permitting complementary studies of hydrologic, oceanographic, seismic, and microseismic phenomena. Plans for the future include connections to shore via observatory cable systems, such as those of NEPTUNE Canada and DONET, for unlimited power supply and

  18. The 'Technology - Activities of Daily Living Questionnaire': a version with a technology-related subscale

    Science.gov (United States)

    Muñoz-Neira, Carlos; López, Oscar L.; Riveros, Rodrigo; Nuñez-Huasaf, Javier; Flores, Patricia; Slachevsky, Andrea

    2016-01-01

    Background Information and communication technology (ICT) has become an increasingly important part of daily life. The ability to use technology is becoming essential for autonomous functioning in society. Current functional scales for patients with cognitive impairment do not evaluate the use of technology. The objective of this study was to develop and validate a new version of the Activities of Daily Living Questionnaire (ADLQ) that incorporates an ICT subscale. Method A new technology-based subscale was incorporated into the Spanish Version of the ADLQ (SV-ADLQ), entitled The Technology Version of the ADLQ (T-ADLQ). The T-ADLQ was administered to 63 caregivers of dementia patients, 21 proxies of mild cognitive impairment patients and 44 proxies of normal elderly subjects (mean age of the sample ± SD: 73.5 ± 8.30). We analysed the convergent validity, internal consistency, reliability cut-off point, sensitivity and specificity of the T-ADLQ. The results of the T-ADLQ were compared to the SV-ADLQ. Results The T-ADLQ showed significant correlations with the Mini-mental Test (MMSE), the Frontal Assesment Battery (FAB) as well as other measures of functional impairment and dementia severity (MMSE: r = −0.70; FAB: r = −0.65; Functional Assessment Questionnaire: r = 0.77; Instrumental Activities of Daily Living Scale: r = −0.75; Clinical Dementia Rating Scale: r = 0.72; p<0.001). The T-ADLQ showed a good reliability with a relatively high Cronbach’s alpha coefficient (Cronbach’s alpha = 0.861). When considering a functional impairment cut-off point greater than 29.25%, the sensitivity and specificity of the T-ADLQ were 82% and 90%, respectively. The area under the ROC curve (AUC) was 0.937 for the T-ADLQ and 0.932 for the original version of the test. Conclusions The T-ADLQ revealed adequate indicators of validity and reliability for the functional assessment of activities of daily living in dementia patients. However, the inclusion of technology items in

  19. Universal Health Coverage's evolving location in the post-2015 development agenda: Key informant perspectives within multilateral and related agencies during the first phase of post-2015 negotiations.

    Science.gov (United States)

    Brolan, Claire E; Hill, Peter S

    2016-05-01

    In 2001, technocrats from four multilateral organizations selected the Millennium Development Goals mainly from the previous decade of United Nations (UN) summits and conferences. Few accounts are available of that significant yet cloistered synthesis process: none contemporaneous. In contrast, this study examines health's evolving location in the first-phase of the next iteration of global development goal negotiation for the post-2015 era, through the synchronous perspectives of representatives of key multilateral and related organizations. As part of the Go4Health Project, in-depth interviews were conducted in mid-2013 with 57 professionals working on health and the post-2015 agenda within multilaterals and related agencies. Using discourse analysis, this article reports the results and analysis of a Universal Health Coverage (UHC) theme: contextualizing UHC's positioning within the post-2015 agenda-setting process immediately after the Global Thematic Consultation on Health and High-Level Panel of Eminent Persons on the Post-2015 Development Agenda (High-Level Panel) released their post-2015 health and development goal aspirations in April and May 2013, respectively. After the findings from the interview data analysis are presented, the Results will be discussed drawing on Shiffman and Smith (Generation of political priority for global health initiatives: a framework and case study of maternal mortality.The Lancet2007; 370: : 1370-79) agenda-setting analytical framework (examining ideas, issues, actors and political context), modified by Benzianet al.(2011). Although more participants support the High-Level Panel's May 2013 report's proposal-'Ensure Healthy Lives'-as the next umbrella health goal, they nevertheless still emphasize the need for UHC to achieve this and thus be incorporated as part of its trajectory. Despite UHC's conceptual ambiguity and cursory mention in the High-Level Panel report, its proponents suggest its re-emergence will occur in

  20. A Theoretical Framework on Probabilities of Technology for Promoting Educational Activity System Evolving%技术支撑教育活动系统变革的可能性框架

    Institute of Scientific and Technical Information of China (English)

    李彤彤; 武法提

    2014-01-01

    The process and laws that technologies affect education are always the main focus in educational technology ifeld. In this paper, we treat education as an activity system, and then the effects that technologies imposed on the educational activity system was analyzed from the perspective of the dialectic relation between productive forces and production relations. Based on which we construct the theoretical framework on probabilities of technology for promoting educational activity system evolving, in order to provide references for more comprehensive understanding of technology and using technologies more properly during the process of educational informationization. Looking back to the history of education and technology, media technology have had revolutionary effect on education, it provided new educational media for educational activities, changed the symbol, carrier, replication of content and the character of delivery of educational resources, and ifnally changed the educational production relations. At present, Information Communication Technology (ICT) provides varieties of probabilities for education reform from three levels. First, ICT support the construction of digital learning environments;Second, with the digital learning environments, it is possible for more diversiifed activities, the construction of educational communities with teachers and students as subject, co-construction and sharing of educational resources;Third, all the changes above can improve the results, efifciency and beneifts of educational activity system, promote the development of educational equity, globalization, individualization, and lifelong learning, then finally support the building of learning society.%技术影响教育的过程与规律问题一直是教育技术领域关注的核心,该研究将教育视为活动系统,采用历史研究法,从生产力与生产关系辩证关系的角度分析技术对教育活动系统的影响,并在此基础上构建了现

  1. Boutiquing at the Raindance Campout: Relational Aesthetics as Festival Technology

    Directory of Open Access Journals (Sweden)

    Bryan Schmidt

    2015-06-01

    Full Text Available This article uses Nicholas Bourriaud’s theorizing of “relational aesthetics” to consider the mechanics that facilitate strong subcultural ties amongst participants of small-scale, “boutique” festivals. Relational aesthetics describes art that takes human interaction as its theoretical horizon, where art works are envisioned primarily as social interstices. Using California’s Raindance Campout as a case study, I argue that festivals may be viewed as a form of relational art, where organizers create environments that prompt meaningful human performance. Building on critiques of the revolutionary energy Bourriaud invests in his concept, I propose that we might productively understand relational aesthetics as an indeterminate technology always adaptable to particular political ideologies. I use art present at Raindance to illuminate some of the event’s unspoken political prerogatives; despite attempting to disassociate from the ethos of a perceived US mainstream, I argue that Raindance still coincides with logics of modern liberalism including consumerism and cultural appropriation.

  2. Consumption dynamics and technological change - exemplified by the mobile phone and related technologies

    DEFF Research Database (Denmark)

    Røpke, Inge

    2001-01-01

    dynamics that operate on the micro level and compel most consumers in the rich countries to be willing contributors to the growing consumption. The second purpose is to investigate how the families use the new technologies, and how these technologies eventually become integrated in gradual changes...... to be a contribution to the understanding of the dynamics of consumption on the micro level. The paper intends to report on some of the findings from a research project regarding households's acquirement of new consumer goods that they have not had before. The purpose is first to reveal some of the consumption...... of everyday life. In the long run, the changes of everyday life can be decisive for the development of the consumption dynamics and for the related environmental effects....

  3. Trappings of technology: casting palliative care nursing as legal relations.

    Science.gov (United States)

    Larsen, Ann-Claire

    2012-12-01

    Community palliative care nurses in Perth have joined the throng of healthcare workers relying on personal digital assistants (PDAs) to store, access and send client information in 'real time'. This paper is guided by Heidegger's approach to technologies and Habermas' insights into the role of law in administering social welfare programs to reveal how new ethical and legal understandings regarding patient information add to nursing's professional responsibilities. This qualitative research interprets data from interviews with twenty community palliative care nurses about clients' legal rights to informational privacy and confidentiality. It explores nurses' views of their nursing responsibilities regarding clients' legal rights, liability issues, bureaucratic monitoring and enforcement procedures. It concludes that nurses and clients are construed as legal subjects entrenched in legal relations that have magnified since these nurses began using PDAs in 2005/2006. © 2011 Blackwell Publishing Ltd.

  4. Concept Relation Discovery and Innovation Enabling Technology (CORDIET)

    CERN Document Server

    Poelmans, Jonas; Neznanov, Alexey; Viaene, Stijn; Kuznetsov, Sergei O; Ignatov, Dmitry; Dedene, Guido

    2012-01-01

    Concept Relation Discovery and Innovation Enabling Technology (CORDIET), is a toolbox for gaining new knowledge from unstructured text data. At the core of CORDIET is the C-K theory which captures the essential elements of innovation. The tool uses Formal Concept Analysis (FCA), Emergent Self Organizing Maps (ESOM) and Hidden Markov Models (HMM) as main artifacts in the analysis process. The user can define temporal, text mining and compound attributes. The text mining attributes are used to analyze the unstructured text in documents, the temporal attributes use these document's timestamps for analysis. The compound attributes are XML rules based on text mining and temporal attributes. The user can cluster objects with object-cluster rules and can chop the data in pieces with segmentation rules. The artifacts are optimized for efficient data analysis; object labels in the FCA lattice and ESOM map contain an URL on which the user can click to open the selected document.

  5. Benefits and Risks of Electronic Medical Record (EMR): An Interpretive Analysis of Healthcare Consumers' Perceptions of an Evolving Health Information Systems Technology

    Science.gov (United States)

    Thompson, Chester D.

    2013-01-01

    The purpose of this study is to explore healthcare consumers' perceptions of their Electronic Medical Records (EMRs). Although there have been numerous studies regarding EMRs, there have been minimal, if any, research that explores healthcare consumers' awareness of this technology and the social implications that result. As consumers' health…

  6. Modeling Evolving Innovation Networks

    OpenAIRE

    Koenig, Michael D.; Battiston, Stefano; Schweitzer, Frank

    2007-01-01

    We develop a new framework for modeling innovation networks which evolve over time. The nodes in the network represent firms, whereas the directed links represent unilateral interactions between the firms. Both nodes and links evolve according to their own dynamics and on different time scales. The model assumes that firms produce knowledge based on the knowledge exchange with other firms, which involves both costs and benefits for the participating firms. In order to increase their knowledge...

  7. Evolving digital ecological networks.

    Science.gov (United States)

    Fortuna, Miguel A; Zaman, Luis; Wagner, Aaron P; Ofria, Charles

    2013-01-01

    "It is hard to realize that the living world as we know it is just one among many possibilities" [1]. Evolving digital ecological networks are webs of interacting, self-replicating, and evolving computer programs (i.e., digital organisms) that experience the same major ecological interactions as biological organisms (e.g., competition, predation, parasitism, and mutualism). Despite being computational, these programs evolve quickly in an open-ended way, and starting from only one or two ancestral organisms, the formation of ecological networks can be observed in real-time by tracking interactions between the constantly evolving organism phenotypes. These phenotypes may be defined by combinations of logical computations (hereafter tasks) that digital organisms perform and by expressed behaviors that have evolved. The types and outcomes of interactions between phenotypes are determined by task overlap for logic-defined phenotypes and by responses to encounters in the case of behavioral phenotypes. Biologists use these evolving networks to study active and fundamental topics within evolutionary ecology (e.g., the extent to which the architecture of multispecies networks shape coevolutionary outcomes, and the processes involved).

  8. Evolving digital ecological networks.

    Directory of Open Access Journals (Sweden)

    Miguel A Fortuna

    Full Text Available "It is hard to realize that the living world as we know it is just one among many possibilities" [1]. Evolving digital ecological networks are webs of interacting, self-replicating, and evolving computer programs (i.e., digital organisms that experience the same major ecological interactions as biological organisms (e.g., competition, predation, parasitism, and mutualism. Despite being computational, these programs evolve quickly in an open-ended way, and starting from only one or two ancestral organisms, the formation of ecological networks can be observed in real-time by tracking interactions between the constantly evolving organism phenotypes. These phenotypes may be defined by combinations of logical computations (hereafter tasks that digital organisms perform and by expressed behaviors that have evolved. The types and outcomes of interactions between phenotypes are determined by task overlap for logic-defined phenotypes and by responses to encounters in the case of behavioral phenotypes. Biologists use these evolving networks to study active and fundamental topics within evolutionary ecology (e.g., the extent to which the architecture of multispecies networks shape coevolutionary outcomes, and the processes involved.

  9. User behavior and technology development. Shaping sustainable relations between consumers and technologies

    NARCIS (Netherlands)

    Slob, A.F.L.; Verbeek, P.P.

    2006-01-01

    Environmental policy has long been determined by a dichotomy between technology and behavior. Some approaches stress the importance of technology and technological innovation, while others focus on behavioral change. Each approach has its limitations, however, since technology and behavior often app

  10. The Laser Institute of Technology for Education and Research at Camden County College: how it has changed and evolved after 20 years

    Science.gov (United States)

    Seeber, Fred P.

    2009-06-01

    The Laser Institute of Technology for Education and Research (LITER), nationally and internationally recognized in the field of Photonics, is a state of the art facility built in 1989 on the campus of Camden County College, Blackwood, NJ. This building consists of six high power laser labs, five low power laser labs and four fiber-optic laboratories. It also contains classrooms and research labs and the facility houses over $5,000,000 in equipment. This paper will discuss the evolution of this facility in regards to enrollment in its photonics programs, funding for new equipment purchases and maintaining and updating the facility in laser safety requirements as required by the ANSI Z-136.5 Standard for Educational Institutions. The paper will also discuss how OP-TEC (The National Center for Optics and Photonics Education) has helped to keep this Laser Institute at the cutting edge of photonics education.

  11. P & T Committee response to evolving technologies: preparing for the launch of high-tech, high-cost products. Roundtable discussion.

    Science.gov (United States)

    Seltzer, J L; Wordell, C J; Nash, D; Johnson, N E; Gottlieb, J E

    1992-04-01

    P & T Committees are entering an exciting era in which the introduction of biotechnology-derived pharmaceuticals is providing life-saving opportunities for conditions for which there was little or no hope for a cure. The P & T Committee at Thomas Jefferson University Hospital has anticipated the challenge that these novel therapeutics present, and has already positioned itself for the pending approval of the first therapeutic human monoclonal antibody. Nebacumab (HA-1A, formerly known as Centoxin; by Centocor) will be used for the treatment of gram-negative sepsis. Although this antiendotoxin has a good side effect profile, its use also carries a high price tag. This will raise several difficult ethical issues once the product is introduced. In this exclusive Hospital Formulary roundtable, members of Thomas Jefferson's P & T Committee and Technology Assessment Subcommittee provide their insights for responsibly managing a high-tech, high-cost product such as nebacumab.

  12. The Importance of Localized Related Variety for International Diversification of Corporate Technology

    DEFF Research Database (Denmark)

    Dettmann, Eva; Lacasa, Iciar Dominguez; Günther, Jutta

    2016-01-01

    The importance of localized related variety for international diversification of corporate technology, Regional Studies. Internationalization of research and development has increased substantially in recent years. This paper analyses the determinants of spatial distribution of foreign technologi......The importance of localized related variety for international diversification of corporate technology, Regional Studies. Internationalization of research and development has increased substantially in recent years. This paper analyses the determinants of spatial distribution of foreign...... technological activities across 96 regions in Germany. It identifies foreign technological activities by applying the cross-border ownership concept to patent applications. The main proposition is that regions with higher related variety of technological activities between sectors attract more foreign...... technological activities. The estimations show that this is the case in regions characterized by a high overall technological strength. This suggests that related variety facilitates technological diversifications of foreign corporations in regions at the top of the geographic hierarchy...

  13. Natural hazards and technological risk in Russia: the relation assessment

    Directory of Open Access Journals (Sweden)

    E. Petrova

    2005-01-01

    Full Text Available Almost every natural disaster is accompanied by some sort of technological one. A number of studies also show a correlation between technological disasters and various global processes such as solar disturbances, geophysical field variation etc. In this study we attempted to ascertain and codify the relationship between different types of technological disasters and natural hazards. Two types of natural hazards were found, based on their genesis, distribution in time, and impact pattern on the technosphere. Solar and geomagnetic disturbances generally affect technological risk through the failure of automatic machinery and the reduction of operator reliability. They increase the probability of transport accidents, fires, and catastrophic toxic emissions. These types of technological disasters are widely prevalent throughout Russia and in all federal regions. Geological, climatic, hydrological, and other natural hazardous processes increase technological risk through direct mechanical impacts. Their occurrence in space and time depends on the character of the natural process and the specific regional environment. The total number and proportion of technological disasters in federal regions results mainly from the concentration of industrial units and their type, as well as the local natural and social environment. Temporal changes in the number of technological disasters of different groups depend on the prevailing type of natural processes.

  14. Current state of OLED technology relative to military avionics requirements

    Science.gov (United States)

    Tchon, Joseph L.; Barnidge, Tracy J.; Hufnagel, Bruce D.; Bahadur, Birendra

    2014-06-01

    The paper will review optical and environmental performance thresholds required for OLED technology to be used on various military platforms. Life study results will be summarized to highlight trends while identifying remaining performance gaps to make this technology viable for future military avionics platforms.

  15. The Importance of Localized Related Variety for International Diversification of Corporate Technology

    DEFF Research Database (Denmark)

    Dettmann, Eva; Lacasa, Iciar Dominguez; Günther, Jutta;

    2016-01-01

    The importance of localized related variety for international diversification of corporate technology, Regional Studies. Internationalization of research and development has increased substantially in recent years. This paper analyses the determinants of spatial distribution of foreign technologi......The importance of localized related variety for international diversification of corporate technology, Regional Studies. Internationalization of research and development has increased substantially in recent years. This paper analyses the determinants of spatial distribution of foreign...... technological activities. The estimations show that this is the case in regions characterized by a high overall technological strength. This suggests that related variety facilitates technological diversifications of foreign corporations in regions at the top of the geographic hierarchy...

  16. New Ideas for Speech Recognition and Related Technologies

    Energy Technology Data Exchange (ETDEWEB)

    Holzrichter, J F

    2002-06-17

    The ideas relating to the use of organ motion sensors for the purposes of speech recognition were first described by.the author in spring 1994. During the past year, a series of productive collaborations between the author, Tom McEwan and Larry Ng ensued and have lead to demonstrations, new sensor ideas, and algorithmic descriptions of a large number of speech recognition concepts. This document summarizes the basic concepts of recognizing speech once organ motions have been obtained. Micro power radars and their uses for the measurement of body organ motions, such as those of the heart and lungs, have been demonstrated by Tom McEwan over the past two years. McEwan and I conducted a series of experiments, using these instruments, on vocal organ motions beginning in late spring, during which we observed motions of vocal folds (i.e., cords), tongue, jaw, and related organs that are very useful for speech recognition and other purposes. These will be reviewed in a separate paper. Since late summer 1994, Lawrence Ng and I have worked to make many of the initial recognition ideas more rigorous and to investigate the applications of these new ideas to new speech recognition algorithms, to speech coding, and to speech synthesis. I introduce some of those ideas in section IV of this document, and we describe them more completely in the document following this one, UCRL-UR-120311. For the design and operation of micro-power radars and their application to body organ motions, the reader may contact Tom McEwan directly. The capability for using EM sensors (i.e., radar units) to measure body organ motions and positions has been available for decades. Impediments to their use appear to have been size, excessive power, lack of resolution, and lack of understanding of the value of organ motion measurements, especially as applied to speech related technologies. However, with the invention of very low power, portable systems as demonstrated by McEwan at LLNL researchers have begun

  17. Methods Evolved by Observation

    Science.gov (United States)

    Montessori, Maria

    2016-01-01

    Montessori's idea of the child's nature and the teacher's perceptiveness begins with amazing simplicity, and when she speaks of "methods evolved," she is unveiling a methodological system for observation. She begins with the early childhood explosion into writing, which is a familiar child phenomenon that Montessori has written about…

  18. Educational Technology as a Subversive Activity: Questioning Assumptions Related to Teaching and Leading with Technology

    Science.gov (United States)

    Kruger-Ross, Matthew J.; Holcomb, Lori B.

    2012-01-01

    The use of educational technologies is grounded in the assumptions of teachers, learners, and administrators. Assumptions are choices that structure our understandings and help us make meaning. Current advances in Web 2.0 and social media technologies challenge our assumptions about teaching and learning. The intersection of technology and…

  19. Coupled oscillators on evolving networks

    Science.gov (United States)

    Singh, R. K.; Bagarti, Trilochan

    2016-12-01

    In this work we study coupled oscillators on evolving networks. We find that the steady state behavior of the system is governed by the relative values of the spread in natural frequencies and the global coupling strength. For coupling strong in comparison to the spread in frequencies, the system of oscillators synchronize and when coupling strength and spread in frequencies are large, a phenomenon similar to amplitude death is observed. The network evolution provides a mechanism to build inter-oscillator connections and once a dynamic equilibrium is achieved, oscillators evolve according to their local interactions. We also find that the steady state properties change by the presence of additional time scales. We demonstrate these results based on numerical calculations studying dynamical evolution of limit-cycle and van der Pol oscillators.

  20. Concise encyclopedia of semiconducting materials and related technologies

    CERN Document Server

    Mahajan, S M

    1992-01-01

    The development of electronic materials and particularly advances in semiconductor technology have played a central role in the electronics revolution by allowing the production of increasingly cheap and powerful computing equipment and advanced telecommunications devices. This Concise Encyclopedia, which incorporates relevant articles from the acclaimed Encyclopedia of Materials Science and Engineering as well as newly commissioned articles, emphasizes the materials aspects of semiconductors and the technologies important in solid-state electronics. Growth of bulk crystals and epitaxial layer

  1. Willingness and preferences of nurses related to learning with technology.

    Science.gov (United States)

    Pilcher, Jobeth W; Bedford, Laurie

    2011-01-01

    To what extent are nurses willing to learn with technology-enhanced tools, such as online education, podcasts, webcasts, mobile learning, and realistic simulations? What factors influence their willingness? This article includes a description of a mixed methodology study that addressed these questions. Nurses of all ages indicated a willingness to learn with a variety of technological tools. Primary determinants of willingness were associated with ease of use, familiarity, convenience, and perceived benefit.

  2. EVOLVE 2014 International Conference

    CERN Document Server

    Tantar, Emilia; Sun, Jian-Qiao; Zhang, Wei; Ding, Qian; Schütze, Oliver; Emmerich, Michael; Legrand, Pierrick; Moral, Pierre; Coello, Carlos

    2014-01-01

    This volume encloses research articles that were presented at the EVOLVE 2014 International Conference in Beijing, China, July 1–4, 2014.The book gathers contributions that emerged from the conference tracks, ranging from probability to set oriented numerics and evolutionary computation; all complemented by the bridging purpose of the conference, e.g. Complex Networks and Landscape Analysis, or by the more application oriented perspective. The novelty of the volume, when considering the EVOLVE series, comes from targeting also the practitioner’s view. This is supported by the Machine Learning Applied to Networks and Practical Aspects of Evolutionary Algorithms tracks, providing surveys on new application areas, as in the networking area and useful insights in the development of evolutionary techniques, from a practitioner’s perspective. Complementary to these directions, the conference tracks supporting the volume, follow on the individual advancements of the subareas constituting the scope of the confe...

  3. Evolvable Neural Software System

    Science.gov (United States)

    Curtis, Steven A.

    2009-01-01

    The Evolvable Neural Software System (ENSS) is composed of sets of Neural Basis Functions (NBFs), which can be totally autonomously created and removed according to the changing needs and requirements of the software system. The resulting structure is both hierarchical and self-similar in that a given set of NBFs may have a ruler NBF, which in turn communicates with other sets of NBFs. These sets of NBFs may function as nodes to a ruler node, which are also NBF constructs. In this manner, the synthetic neural system can exhibit the complexity, three-dimensional connectivity, and adaptability of biological neural systems. An added advantage of ENSS over a natural neural system is its ability to modify its core genetic code in response to environmental changes as reflected in needs and requirements. The neural system is fully adaptive and evolvable and is trainable before release. It continues to rewire itself while on the job. The NBF is a unique, bilevel intelligence neural system composed of a higher-level heuristic neural system (HNS) and a lower-level, autonomic neural system (ANS). Taken together, the HNS and the ANS give each NBF the complete capabilities of a biological neural system to match sensory inputs to actions. Another feature of the NBF is the Evolvable Neural Interface (ENI), which links the HNS and ANS. The ENI solves the interface problem between these two systems by actively adapting and evolving from a primitive initial state (a Neural Thread) to a complicated, operational ENI and successfully adapting to a training sequence of sensory input. This simulates the adaptation of a biological neural system in a developmental phase. Within the greater multi-NBF and multi-node ENSS, self-similar ENI s provide the basis for inter-NBF and inter-node connectivity.

  4. The Outlook in Engineering-Related Technology Fields

    Science.gov (United States)

    Weeks, Peggie

    2009-01-01

    Community colleges have a long and impressive history of preparing a well-qualified technical workforce to meet the immediate and short-term needs of local and regional industries. Programs range from certificates in areas such as drafting, computer-aided design, and automotive technology to associate degrees in electrical and mechanical…

  5. Satcom access in the Evolved Packet Core

    NARCIS (Netherlands)

    Cano Soveri, M.D.; Norp, A.H.J.; Popova, M.P.

    2011-01-01

    Satellite communications (Satcom) networks are increasingly integrating with terrestrial communications networks, namely Next Generation Networks (NGN). In the area of NGN the Evolved Packet Core (EPC) is a new network architecture that can support multiple access technologies. When Satcom is consid

  6. Satcom access in the evolved packet core

    NARCIS (Netherlands)

    Cano, M.D.; Norp, A.H.J.; Popova, M.P.

    2012-01-01

    Satellite communications (Satcom) networks are increasingly integrating with terrestrial communications networks, namely Next Generation Networks (NGN). In the area of NGN the Evolved Packet Core (EPC) is a new network architecture that can support multiple access technologies. When Satcom is consid

  7. GOLD CLUSTER LABELS AND RELATED TECHNOLOGIES IN MOLECULAR MORPHOLOGY.

    Energy Technology Data Exchange (ETDEWEB)

    HAINFELD,J.F.; POWELL,R.D.

    2004-02-04

    stabilization, and the total size of the label is therefore significantly smaller. Since the clusters considered in this chapter are generally less than 3 nm in diameter, this allows the preparation of probes that are much smaller than conventional immunocolloids, and cluster labeling can take advantage of the higher resolution and penetration available with smaller conjugates. Most importantly, while colloidal gold is adsorbed to its conjugate probe, clusters are conjugated by chemically specific covalent cross-linking. Therefore, the range of possible conjugate targeting agents includes any probe containing an appropriate reactive group. Clusters conjugates have been prepared with a wide variety of molecules that do not form colloidal gold conjugates, including lipids, oligonucleotides, peptides, and other small molecules. In addition to the development of gold cluster labeling technology, this chapter will also review new developments in the related metallographic, or metal deposition, methods. This includes gold enhancement, in which gold rather than silver is selectively deposited onto gold particles. We will also describe some results obtained using another novel metallographic procedure, enzyme metallography, in which metal is directly deposited from solution by an enzymatic reaction. Because the original, and most widespread, use of metal cluster labels is in electron microscopy, many of the light microscopy methods described were developed as extensions of, or complements to electron microscopy methods, and demonstrate their greatest advantages when used with electron microscopy; therefore reference will also be made to the electron microscope methods used in the same studies, and the unique information that may be obtained from the correlation of both methods.

  8. Medicine an evolving profession

    Directory of Open Access Journals (Sweden)

    Moyez Jiwa

    2013-04-01

    Full Text Available The number of medical practitioners in the developed world has increased but in relative terms their incomes have decreased. Published comments suggest that some doctors are dissatisfied with what they earn. However doctors are still perceived as having a high status in society. Publicly available data suggests that doctors chose to live and work in affluent suburbs where arguably the need for their skills is less than that in neighbouring deprived areas. The gender balance in medicine is also changing with more women entering the workforce and a greater acceptance of parttime working arrangements. In some countries doctors have relinquished the responsibility for emergency out of hours care in general practice and personal continuity of care is no longer on offer. The profession is also challenged by policy makers’ enthusiasm for guidelines while the focus on multidisciplinary teamwork makes it more likely that patients will routinely be able to consult professionals other than medical practitioners. At the same time the internet has changed patient expectations so that health care providers will be expected to deploy information technology to satisfy patients. Medicine still has a great deal to offer. Information may be readily available on the internet, but it is not an independently sufficient, prerequisite for people to contend with the physical and psychological distress associated with disease and disability. We need to understand and promote the crucial role doctors play in society at a time of tremendous change in the attitudes to, and within, the profession.

  9. Relating North American Experiences with Computer-Related Technology in Education to Developing Countries.

    Science.gov (United States)

    Collis, Betty

    This essay considers several areas of research in computer technology for education in North America and the implications of these areas of focus for the implementation of educational computer technologies in developing nations. The five areas of focus are: (1) curriculum integration, or the general rationale for using computer technology in…

  10. Assistive Technologies and Issues Relating to Privacy, Ethics and Security

    Science.gov (United States)

    Martin, Suzanne; Bengtsson, Johan E.; Dröes, Rose-Marie

    Emerging technologies provide the opportunity to develop innovative sustainable service models, capable of supporting adults with dementia at home. Devices range from simple stand-alone components that can generate a responsive alarm call to complex interoperable systems that even can be remotely controlled. From these complex systems the paradigm of the ubiquitous or ambient smart home has emerged, integrating technology, environmental design and traditional care provision. The service context is often complex, involving a variety of stakeholders and a range of interested agencies. Against this backdrop, as anecdotal evidence and government policies spawn further innovation it is critical that due consideration is given to the potential ethical ramifications at an individual, organisational and societal level. Well-grounded ethical thinking and proactive ethical responses to this innovation are required. Explicit policy and practice should therefore emerge which engenders confidence in existing supported living option schemes for adults with dementia and informs further innovation.

  11. Evolving XSLT stylesheets

    CERN Document Server

    Zorzano, Nestor; Laredo, J L J; Sevilla, J P; Garcia, Pablo; Merelo, J J

    2007-01-01

    This paper introduces a procedure based on genetic programming to evolve XSLT programs (usually called stylesheets or logicsheets). XSLT is a general purpose, document-oriented functional language, generally used to transform XML documents (or, in general, solve any problem that can be coded as an XML document). The proposed solution uses a tree representation for the stylesheets as well as diverse specific operators in order to obtain, in the studied cases and a reasonable time, a XSLT stylesheet that performs the transformation. Several types of representation have been compared, resulting in different performance and degree of success.

  12. PROTEOMICS: AN EVOLVING TECHNOLOGY IN LABORATORY MEDICINE

    Directory of Open Access Journals (Sweden)

    Dr. D J Venter

    2010-01-01

    Full Text Available The rapid developments in both genomics and proteomics will allow scientists to define the molecular pathways in normal and diseased cells. With these models, researchers will have the ability to predict previously unknown interactions and verify such predictions experimentally. Novel proteins, cellular functions, and pathways will also be unravelled. It is hoped that understanding the connections between cellular pathways and the ability to identify their associated biomarkers will greatly reduce the suffering and loss of life due to diseases.

  13. The technology - activities of daily living questionnaire: a version with a technology-related subscale.

    Science.gov (United States)

    Muñoz-Neira, Carlos; López, Oscar L; Riveros, Rodrigo; Núñez-Huasaf, Javier; Flores, Patricia; Slachevsky, Andrea

    2012-01-01

    Information and communication technology (ICT) has become an increasingly important part of daily life. The ability to use technology is becoming essential for autonomous functioning in society. Current functional scales for patients with cognitive impairment do not evaluate the use of technology. The objective of this study was to develop and validate a new version of the Activities of Daily Living Questionnaire (ADLQ) that incorporates an ICT subscale. A new technology-based subscale was incorporated into the Spanish version of the ADLQ (SV-ADLQ), entitled the Technology version of the ADLQ (T-ADLQ). The T-ADLQ was administered to 63 caregivers of dementia patients, 21 proxies of mild cognitive impairment patients and 44 proxies of normal elderly subjects (mean age of the sample ± SD: 73.5 ± 8.30 years). We analysed the convergent validity, internal consistency, reliability cut-off point, sensitivity and specificity of the T-ADLQ. The results of the T-ADLQ were compared to the SV-ADLQ. The T-ADLQ showed significant correlations with the Mini-Mental State Examination (MMSE), the Frontal Assessment Battery (FAB) as well as other measures of functional impairment and dementia severity (MMSE: r = -0.70; FAB: r = -0.65; Functional Assessment Questionnaire: r = 0.77; Instrumental Activities of Daily Living Scale: r = -0.75; Clinical Dementia Rating Scale: r = 0.72; p technology items in the T-ADLQ did not improve the performance of the scale, which may reflect the lack of widespread use of technology by elderly individuals. Thus, although it appeared reasonable to add technology use questions to the ADLQ, our experience suggested that this has to be done cautiously, since the sensitivity of these additional items could vary in different populations. The T-ADLQ needs to be validated in a different population of dementia subjects. Copyright © 2012 S. Karger AG, Basel.

  14. Equipment Maintenance: Interservice of Technical Manuals and Related Technology

    Science.gov (United States)

    2007-11-02

    TX 78241-5990 (d) Sacramento ALC/MMEDT McClellan AFB CA 95652-5990 (e) Warner Robins ALC/MMEDT Robins AFB GA 31098-5990 Appendix B Attachment 2 Section...the chairperson, Interservice Group on the Exchange of Technical Manual Technology, HQ AFLC/MMERD, Wright-Patter- son AFB OH 45433-5001. b. Joint...MMEDU, Tinker AFB OK 73145- 5979, except when the requesting activity has an assigned Technical Order Distribution Office (TODO) Code (Account). b

  15. Big data related technologies, challenges and future prospects

    CERN Document Server

    Chen, Min; Zhang, Yin; Leung, Victor CM

    2014-01-01

    This Springer Brief provides a comprehensive overview of the background and recent developments of big data. The value chain of big data is divided into four phases: data generation, data acquisition, data storage and data analysis. For each phase, the book introduces the general background, discusses technical challenges and reviews the latest advances. Technologies under discussion include cloud computing, Internet of Things, data centers, Hadoop and more. The authors also explore several representative applications of big data such as enterprise management, online social networks, healthcar

  16. Boutiquing at the Raindance Campout: Relational Aesthetics as Festival Technology

    National Research Council Canada - National Science Library

    Schmidt, Bryan

    2015-01-01

    This article uses Nicholas Bourriaud's theorizing of "relational aesthetics" to consider the mechanics that facilitate strong subcultural ties amongst participants of small-scale, "boutique" festivals...

  17. A Viewpoint on Wearable Technology-Enabled Measurement of Wellbeing and Health-Related Quality of Life in Parkinson's Disease.

    Science.gov (United States)

    van Uem, Janet M T; Isaacs, Tom; Lewin, Alan; Bresolin, Eros; Salkovic, Dina; Espay, Alberto J; Matthews, Helen; Maetzler, Walter

    2016-03-10

    In this viewpoint, we discuss how several aspects of Parkinson's disease (PD) - known to be correlated with wellbeing and health-related quality of life-could be measured using wearable devices ('wearables'). Moreover, three people with PD (PwP) having exhaustive experience with using such devices write about their personal understanding of wellbeing and health-related quality of life, building a bridge between the true needs defined by PwP and the available methods of data collection. Rapidly evolving new technologies develop wearables that probe function and behaviour in domestic environments of people with chronic conditions such as PD and have the potential to serve their needs. Gathered data can serve to inform patient-driven management changes, enabling greater control by PwP and enhancing likelihood of improvements in wellbeing and health-related quality of life. Data can also be used to quantify wellbeing and health-related quality of life. Additionally these techniques can uncover novel more sensitive and more ecologically valid disease-related endpoints. Active involvement of PwP in data collection and interpretation stands to provide personally and clinically meaningful endpoints and milestones to inform advances in research and relevance of translational efforts in PD.

  18. Technology Support for Relation Work in Video Meetings

    DEFF Research Database (Denmark)

    Esbensen, Morten; Bardram, Jakob

    Distributed collaboration has a number of problems associated with it. One of these problems is the fact that distributed actors have to engage in explicit work to achieve the connections between them needed in a collaboration. The work of creating these connections have been named relation work....... Relation work is performed throughout a collaboration, however it is especially interesting to investigate in the context of the video meeting. This report asks the question “How can we design support for relation work in distributed video meetings?”. The two main contributions of this report are; (i......) the design, implementation and evaluation of SideBar - a videoconferencing system supporting relation work, and (ii) the proposal of three guidelines relevant for the design of relation work support....

  19. Toward an Evolved Concept of Landrace.

    Science.gov (United States)

    Casañas, Francesc; Simó, Joan; Casals, Joan; Prohens, Jaime

    2017-01-01

    The term "landrace" has generally been defined as a cultivated, genetically heterogeneous variety that has evolved in a certain ecogeographical area and is therefore adapted to the edaphic and climatic conditions and to its traditional management and uses. Despite being considered by many to be inalterable, landraces have been and are in a constant state of evolution as a result of natural and artificial selection. Many landraces have disappeared from cultivation but are preserved in gene banks. Using modern selection and breeding technology tools to shape these preserved landraces together with the ones that are still cultivated is a further step in their evolution in order to preserve their agricultural significance. Adapting historical landraces to present agricultural conditions using cutting-edge breeding technology represents a challenging opportunity to use them in a modern sustainable agriculture, as an immediate return on the investment is highly unlikely. Consequently, we propose a more inclusive definition of landraces, namely that they consist of cultivated varieties that have evolved and may continue evolving, using conventional or modern breeding techniques, in traditional or new agricultural environments within a defined ecogeographical area and under the influence of the local human culture. This includes adaptation of landraces to new management systems and the unconscious or conscious selection made by farmers or breeders using available technology. In this respect, a mixed selection system might be established in which farmers and other social agents develop evolved landraces from the variability generated by public entities.

  20. National Technology Standards for K-12 Schools: A Case Study of Unresolved Issues in Public Relations

    Science.gov (United States)

    Mullen, Carol A.; Kealy, William A.; Sullivan, Ashley

    2004-01-01

    This article addresses an important need--the dissemination of information relating to technology as a public relations tool--and the associated exigency for administrator and teacher technology training. Specifically, we identify the increased expectations for the performance of school leaders and teachers, as well as unresolved issues in public…

  1. Stress related aspects of GaN technology physics

    Science.gov (United States)

    Suhir, Ephraim

    2015-03-01

    Simple, easy-to-use and physically meaningful analytical models have been developed for the assessment of the combined effect of the lattice and thermal mismatch on the induced stresses in an elongated bi-material assembly, as well as on the thermal mismatch on the thermal stresses in a tri-material assembly, in which the lattice mismatched stresses are eliminated in one way or another. This could be done, e.g., by using a polished or an etched substrate. The analysis is carried out in application to Gallium Nitride (GaN)-Silicon Carbide (SiC) and GaN-diamond (C) filmsubstrate assemblies. The calculated data are obtained, assuming that no annealing or other stress reduction means is applied. The data agree reasonably well with the reported (available) in-situ measurements. The most important conclusion from the computed data is that even if a reasonably good lattice match takes place (as, e.g., in the case of a GaN film fabricated on a SiC substrate, when the mismatch strain is only about 3%) and, in addition, the temperature change (from the fabrication/growth temperature to the operation temperature) is significant (as high as 1000 °C), the thermal stresses are still considerably lower than the lattice-mismatch stresses. Although there are structural and technological means for further reduction of the lattice-mismatch stresses (e.g., by high temperature annealing or by providing one or more buffering layers, or by using patterned or porous substrates), there is still a strong incentive to eliminate completely the lattice mismatch stresses. This seems to be indeed possible, if polished or otherwise flattened (e.g., chemically etched) substrates and sputter deposited GaN film is employed. In such a case only thermal stresses remain, but even these could be reduced, if necessary, by using compliant buffering layers, including layers of variable compliance, or by introducing variable compliance into the properly engineered substrate. In any event, it is expected

  2. Evolving Procurement Organizations

    DEFF Research Database (Denmark)

    Bals, Lydia; Laine, Jari; Mugurusi, Godfrey

    Procurement has to find further levers and advance its contribution to corporate goals continuously. This places pressure on its organization in order to facilitate its performance. Therefore, procurement organizations constantly have to evolve in order to match these demands. A conceptual model...... putting the structural elements in focus is derived from the analysis of two case companies, which extends the existing literature and opens new avenues for future research. The findings highlight the importance of taking a contingency perspective on procurement organization, understanding the internal...... and external contingency factors and having a more detailed look at the structural dimensions chosen, beyond the well-known characteristics of centralization, formalization, participation, specialization, standardization and size. From a theoretical perspective, it opens up insights that can be leveraged...

  3. Advancements in related technologies bring virtual reality to GIS

    Science.gov (United States)

    Erikson, Craig; Hundley, Wade

    1996-06-01

    Because of technological limitations, commercial software vendors have been unable to develop a real time 3-D visualization and data analysis package that could be widely used by the remote sensing and GIS community. REcent advancements in the areas of 3-D hardware, virtual environment research,and software standards have allowed for the development of a low cost virtual environment package for the first time. Products such as VirtualGIS will allow users to not only visualize their data in 3-D, but also do their analysis in 3-D. This and other virtual environment products may pave the path to high growth and acceptance by the general public for ImagingGIS software solutions.

  4. QCD Technology: Light-Cone Quantization and Commensurate Scale Relations

    Energy Technology Data Exchange (ETDEWEB)

    Brodsky, Stanley J.

    1999-09-03

    I discuss several theoretical tools which are useful for analyzing perturbative and non-perturbative problems in quantum chromodynamics, including (a) the light-cone Fock expansion, (b) the effective charge {alpha}{sub v}, (c) conformal symmetry, and (d) commensurate scale relations. Light-cone Fock-state wavefunctions encode the properties of a hadron in terms of its fundamental quark and gluon degrees of freedom. Given the proton's light-cone wavefunctions, one can compute not only the quark and gluon distributions measured in deep inelastic lepton-proton scattering, but also the multi-parton correlations which control the distribution of particles in the proton fragmentation region and dynamical higher twist effects. Light-cone wavefunctions also provide a systematic framework for evaluating exclusive hadronic matrix elements, including timelike heavy hadron decay amplitudes and form factors. The {alpha}{sub v} coupling, defined from the QCD heavy quark potential, provides a physical expansion parameter for perturbative QCD with an analytic dependence on the fermion masses which is now known to two-loop order. Conformal symmetry provides a template for QCD predictions, including relations between observables which are present even in a theory which is not scale invariant. Commensurate scale relations are perturbative QCD predictions based on conformal symmetry relating observable to observable at fixed relative scale. Such relations have no renormalization scale or scheme ambiguity.

  5. Technology sourcing over the technology life cycle: A study about the moderating effect of the technology life cycle on the relation between technology sourcing and firm performance

    NARCIS (Netherlands)

    Stolwijk, C.C.M.

    2012-01-01

    How do external and internal technology sourcing influence the innovative and market performance of firms over the technology life-cycle? The impact of technology sourcing on firm performance during different phases of the technology life cycle represents a gap in academic literature. Practically, i

  6. Technology sourcing over the technology life cycle: A study about the moderating effect of the technology life cycle on the relation between technology sourcing and firm performance

    NARCIS (Netherlands)

    Stolwijk, C.C.M.

    2012-01-01

    How do external and internal technology sourcing influence the innovative and market performance of firms over the technology life-cycle? The impact of technology sourcing on firm performance during different phases of the technology life cycle represents a gap in academic literature. Practically,

  7. Chapter 5: Organizational structures suited to ISPRM's evolving role as an international non-governmental organization in official relation with the world health organization.

    Science.gov (United States)

    von Groote, Per M; Reinhardt, Jan D; Gutenbrunner, Christoph; DeLisa, Joel A; Melvin, John L; Bickenbach, Jerome E; Stucki, Gerold

    2009-09-01

    International non-governmental organizations (NGOs) in official relation with the World Health Organization (WHO) face organizational challenges against the background of legitimate representation of their membership and accountable procedures within the organization. Moreover, challenges arise in the light of such an international NGO's civil societal mandate to help reach the "health-for-all" goals as defined by WHO and to facilitate the implementation of the United Nations (UN) Convention on the Rights of Persons with Disabilities. The objective of this paper is to examine how such an international NGO using the International Society of Physical and Rehabilitation Medicine (ISPRM) as a case in point can address these challenges. The specific aims are to analyse ISPRM's structures and procedures of internal organs and external relations and to develop solutions. These possible solutions will be presented as internal organizational scenarios and a yearly schedule of meetings closely aligned to that of WHO to facilitate an efficient internal and external interaction.

  8. Command and Control Related Computer Technology. Part 1. Packet Radio

    Science.gov (United States)

    1975-03-01

    Nasals (and /!/). The nasal sounds are also relatively intense. They are made by opening the velum , and closing the mouth I cavity...unnasalized to nasalized, as the velum opens in anticipation of a syllable-final nasal bat before r*? .• the mouth closes. Several of the formants of...the whole sentence could be produced with the velum open. To insure that formant splitting occurs, it is necessary to precede .-.[. Q the vowel

  9. Research on technology environment improvement of related industries based on internet governance

    Science.gov (United States)

    Zhang, Jing; Guan, Zhongliang

    2017-08-01

    The technology of Internet is an important factor of industry’s development. Constructing a good technical environment is the foundation of the Internet and related industries’ development. This paper demonstrates the necessity of the construction and improvement of the Internet and the related industries technology environment through comparing the current situation of the related industries. It also points out that China needs to improve the environment of the Internet technology urgently. The paper establishes the technology demand pattern of different related industries, and explores strategies of the different Internet technology environment’s construction and perfection according to the different demand of the strong related Internet and the weak related Internet to the industries environment. This paper analyzes the factors that threaten the security of the Internet, and fully demonstrates the methods and tactics of establishing and improving the technology environment Internet hardware, the Internet and related industries in China under the basis of the framework of comprehensive management of Internet. This paper also studies the construction and improvement of the comprehensive management technology environment based on the Internet industry in China.

  10. Rapidly Evolving Giant Dermatofibroma

    Directory of Open Access Journals (Sweden)

    K. J. Lang

    2010-01-01

    Full Text Available Dermatofibroma, also known as “fibrous histiocytoma”, is a benign dermal or subcutaneous poorly circumscribed proliferation of spindle-shaped fibroblasts and macrophages in the dermis. Although it is commonly present as a brownish nodule the legs of females, it may also arise on the upper extremities, trunk, and rarely on the head. The exact pathogenesis is unclear. However, it is widely believed that the originating insult to the dermis is a folliculitis, an arthropod bite, or an unspecified initial inflammatory condition. Giant dermatofibromas of greater than 5 cm in diameter are rare, with only 22 cases reported in the literature. We present a case of a rapidly evolving pedunculated mass in the groin of a male patient. Histological examination confirmed this to be a giant dermatofibroma. Though this specimen cannot is not confirmed as such, the cellular subtype is sometimes present as a larger lesion with anecdotal reports of local recurrence and distant metastases. The clinical and radiological features which were somewhat suspicious of malignancy are considered in the context of the definitive pathological diagnosis of a benign lesion.

  11. Evolving a photosynthetic organelle

    Directory of Open Access Journals (Sweden)

    Nakayama Takuro

    2012-04-01

    Full Text Available Abstract The evolution of plastids from cyanobacteria is believed to represent a singularity in the history of life. The enigmatic amoeba Paulinella and its 'recently' acquired photosynthetic inclusions provide a fascinating system through which to gain fresh insight into how endosymbionts become organelles. The plastids, or chloroplasts, of algae and plants evolved from cyanobacteria by endosymbiosis. This landmark event conferred on eukaryotes the benefits of photosynthesis - the conversion of solar energy into chemical energy - and in so doing had a huge impact on the course of evolution and the climate of Earth 1. From the present state of plastids, however, it is difficult to trace the evolutionary steps involved in this momentous development, because all modern-day plastids have fully integrated into their hosts. Paulinella chromatophora is a unicellular eukaryote that bears photosynthetic entities called chromatophores that are derived from cyanobacteria and has thus received much attention as a possible example of an organism in the early stages of organellogenesis. Recent studies have unlocked the genomic secrets of its chromatophore 23 and provided concrete evidence that the Paulinella chromatophore is a bona fide photosynthetic organelle 4. The question is how Paulinella can help us to understand the process by which an endosymbiont is converted into an organelle.

  12. Fat: an evolving issue

    Directory of Open Access Journals (Sweden)

    John R. Speakman

    2012-09-01

    Work on obesity is evolving, and obesity is a consequence of our evolutionary history. In the space of 50 years, we have become an obese species. The reasons why can be addressed at a number of different levels. These include separating between whether the primary cause lies on the food intake or energy expenditure side of the energy balance equation, and determining how genetic and environmental effects contribute to weight variation between individuals. Opinion on whether increased food intake or decreased energy expenditure drives the obesity epidemic is still divided, but recent evidence favours the idea that food intake, rather than altered expenditure, is most important. There is more of a consensus that genetics explains most (probably around 65% of weight variation between individuals. Recent advances in genome-wide association studies have identified many polymorphisms that are linked to obesity, yet much of the genetic variance remains unexplained. Finding the causes of this unexplained variation will be an impetus of genetic and epigenetic research on obesity over the next decade. Many environmental factors – including gut microbiota, stress and endocrine disruptors – have been linked to the risk of developing obesity. A better understanding of gene-by-environment interactions will also be key to understanding obesity in the years to come.

  13. Evolving paradigms in pharmacovigilance.

    Science.gov (United States)

    Brewster, Wendy; Gibbs, Trevor; Lacroix, Karol; Murray, Alison; Tydeman, Michael; Almenoff, June

    2006-05-01

    All medicines have adverse effects as well as benefits. The aim of pharmacovigilance is to protect public health by monitoring medicines to identify and evaluate issues and ensure that the overall benefits outweigh the potential risks. The tools and processes used in pharmacovigilance are continually evolving. Increasingly sophisticated tools are being designed to evaluate safety data from clinical trials to enhance the likelihood of detecting safety signals ahead of product registration. Methods include integration of safety data throughout development, meta-analytical techniques, quantitative and qualitative methods for evaluation of adverse event data and graphical tools to explore laboratory and biometric data. Electronic data capture facilitates monitoring of ongoing studies so that it is possible to promptly identify potential issues and manage patient safety. In addition, GSK employs a number of proactive methods for post-marketing signal detection and knowledge management using state-of-the-art statistical and analytical tools. Using these tools, together with safety data collected through pharmacoepidemiologic studies, literature and spontaneous reporting, potential adverse drug reactions can be better identified in marketed products. In summary, the information outlined in this paper provides a valuable benchmark for risk management and pharmacovigilance in pharmaceutical development.

  14. 'They won't change it back in their heads that we're trash': the intersection of sex work-related stigma and evolving policing strategies.

    Science.gov (United States)

    Krüsi, Andrea; Kerr, Thomas; Taylor, Christina; Rhodes, Tim; Shannon, Kate

    2016-09-01

    In Vancouver, Canada, there has been a continuous shift in the policing of sex work away from arresting sex workers, which led to the implementation of a policing strategy that explicitly prioritised the safety of sex workers and continued to target sex workers' clients. We conducted semi-structured interviews with 26 cisgender and five transgender women street-based sex workers about their working conditions. Data were analysed thematically and by drawing on concepts of structural stigma and vulnerability. Our results indicated that despite police rhetoric of prioritising the safety of sex workers, participants were denied their citizenship rights for police protection by virtue of their 'risky' occupation and were thus responsiblised for sex work related violence. Our findings further suggest that sex workers' interactions with neighbourhood residents were predominantly shaped by a discourse of sex workers as a 'risky' presence in the urban landscape and police took swift action in removing sex workers in the case of complaints. This study highlights that intersecting regimes of stigmatisation and criminalisation continued to undermine sex workers citizenship rights to police protection and legal recourse and perpetuated labour conditions that render sex workers at increased risk for violence and poor health. © 2016 Foundation for the Sociology of Health & Illness.

  15. ‘They won’t change it back in their heads that we’re trash’ The Intersection of Sex Work Related Stigma and evolving Policing Strategies

    Science.gov (United States)

    Krüsi, Andrea; Kerr, Tthomas; Taylor, Christina; Rhodes, Tim; Shannon, Kate

    2016-01-01

    In Vancouver, Canada, there has been a continuous shift in the policing of sex work away from arresting sex workers, which led to the implementation of a policing strategy that explicitly prioritized the safety of sex workers and continued to target sex workers’ clients. We conducted semi-structured interviews with 26 cisgender and 5 transgender women street-based sex workers about their working conditions. Data were analysed thematically and by drawing on concepts of structural stigma and vulnerability. Our results indicated that despite police rhetoric of prioritizing the safety of sex workers, participants were denied their citizenship rights for police protection by virtue of their ‘risky’ occupation and where thus responsiblised for sex work related violence. Our findings further suggest that sex workers’ interactions with neighbourhood residents were predominantly shaped by a discourse of sex workers as a ‘risky’ presence in the urban landscape and police took swift action in removing sex workers in case of complaints. This study highlights that intersecting regimes of stigmatization and criminalization continued to undermine sex workers citizenship rights to police protection and legal recourse and perpetuated labour conditions that render sex workers at increased risk for violence and poor health. PMID:27113456

  16. Natural language processing-based COTS software and related technologies survey.

    Energy Technology Data Exchange (ETDEWEB)

    Stickland, Michael G.; Conrad, Gregory N.; Eaton, Shelley M.

    2003-09-01

    Natural language processing-based knowledge management software, traditionally developed for security organizations, is now becoming commercially available. An informal survey was conducted to discover and examine current NLP and related technologies and potential applications for information retrieval, information extraction, summarization, categorization, terminology management, link analysis, and visualization for possible implementation at Sandia National Laboratories. This report documents our current understanding of the technologies, lists software vendors and their products, and identifies potential applications of these technologies.

  17. Technological Measurement in the Mining Industry in Relation to Environmentally Friendly Mining

    OpenAIRE

    atuegbu, chukwunwike edwin

    2011-01-01

    The purpose of this thesis is to discuss in detail the significance of technology trends to the mining industry. Technological measurement in the mining industry in relation to environmentally friendly mining is examined. The main research question seeks to find out how technologies have transformed the face of the environment and future potentials. The methodology employed in the study, scope and the importance of the research are discussed. The present study has attempted to prove that...

  18. TRENDS AND ISSUES: A REVIEW OF STUDIES RELATED TO TECHNOLOGY USAGE IN EARLY CHILDHOOD EDUCATION

    OpenAIRE

    Elif ÖZTÜRK YILMAZTEKİN; OLGAN, Refika

    2013-01-01

    This paper describes types of technology studies that have been conducted related to young children’s early education. A systematic review of studies was undertaken using EBSCOhost, Blackwell Synergy, and ScienceDirect databases, to identify all studies published between 2003 and 2009 according to specific criteria. The studies were selected on the basis of the following three issues: (1) the role of technology in children’s development, (2) the role of technology in teachers’ teaching pract...

  19. Atmospheric studies related to aerospace activities and remote sensing technology

    Science.gov (United States)

    Sze, N. D.; Isaacs, R. G.; Ko, M.; Mcelroy, M. B.

    1981-01-01

    Parallel investigations were conducted relating to: the sensitivity of 1-D photochemical model simulated column ozone perturbations due to a projected fleet of 1000 aircraft cruising 7 hours per day at altitudes of 15-16 and 18-19 km to uncertainties in kinetic rate constant data determining modeled OH concentrations and eddy diffusivity profile parameterization and a comparison of the inherent strengths and weaknesses of Eulerian and Langrangian averaging processes in the development of multidimensional models and investigation of approaches to applying the Generalized Lagrangian Mean (GLM) formalism to zonal-mean models. The role of multiple scattering and Earth curvature in the evaluation of diurnally dependent photodissociation rates and trace species variations was examined.

  20. Axial Spondyloarthritis: An Evolving Concept

    Directory of Open Access Journals (Sweden)

    Nelly Ziadé

    2015-07-01

    Full Text Available Axial spondyloarthritis (AxSpA is the prototype of a family of inter-related yet heterogeneous diseases sharing common clinical and genetic manifestations: the spondyloarthritides (SpAs. The condition mainly affects the sacroiliac joints and axial skeleton, and has a clear classification scheme, wider epidemiological data, and distinct therapeutic guidelines when compared with other SpAs. However, the concept of AxSpA has not been immutable over time and has evolved tremendously on many levels over the past decades. This review identifies the evolution of the AxSpA concept at two levels. First, at the level of classification, the old classifications and rationales leading to the current Assessment of SpondyloArthritis international Society (ASAS classification are reviewed, and the advantages and drawbacks are discussed. Second, at the therapeutic level, current and future treatments are described and treatment strategies are discussed.

  1. Science and Technology Related Global Problems: An International Survey of Science Educators.

    Science.gov (United States)

    Bybee, Rodger W.; Mau, Teri

    1986-01-01

    Reviews findings from a survey which focused on the teaching of global problems related to science and technology. Includes a ranking of 12 global problems and a listing of the survey's results. Presents six specific policy recommendations for programs and practices which support a Science-Technology-Society theme. (ML)

  2. Short Cuts and Extended Techniques: Rethinking Relations between Technology and Educational Theory

    Science.gov (United States)

    Thumlert, Kurt; de Castell, Suzanne; Jenson, Jennifer

    2015-01-01

    Building upon a recent call to renew actor-network theory (ANT) for educational research, this article reconsiders relations between technology and educational theory. Taking cues from actor-network theorists, this discussion considers the technologically-mediated networks in which learning actors are situated, acted upon, and acting, and traces…

  3. In Defense of Engineering Sciences: On the Epistemological Relations Between Science and Technology

    NARCIS (Netherlands)

    Boon, Mieke

    2011-01-01

    This article presents an overview of discussions in the philosophy of technology on epistemological relations between science and technology, illustrating that often several mutually entangled issues are at stake. The focus is on conceptual and ideological issues concerning the relationship between

  4. Science and technology roadmap for graphene, related two-dimensional crystals, and hybrid systems

    NARCIS (Netherlands)

    Ferrari, A.C.; Dekker, C.; Vandersypen, L.M.K.; Van Der Zant, H.S.J.; et. al.

    2014-01-01

    We present the science and technology roadmap for graphene, related two-dimensional crystals, and hybrid systems, targeting an evolution in technology, that might lead to impacts and benefits reaching into most areas of society. This roadmap was developed within the framework of the European Graphen

  5. Science and technology roadmap for graphene, related two-dimensional crystals, and hybrid systems

    DEFF Research Database (Denmark)

    Ferrari, Andrea C.; Bonaccorso, Francesco; Falko, Vladimir;

    2015-01-01

    We present the science and technology roadmap (STR) for graphene, related twodimensional (2d) crystals, and hybrid systems, targeting an evolution in technology, that might lead to impacts and benefits reaching into most areas of society. The roadmap was developed within the framework of the Euro...

  6. Science and technology roadmap for graphene, related two-dimensional crystals, and hybrid systems

    NARCIS (Netherlands)

    Ferrari, Andrea C.; Bonaccorso, Francesco; Fal'ko, Vladimir; Novoselov, Konstantin S.; Roche, Stephan; Boggild, Peter; Borini, Stefano; Koppens, Frank H. L.; Palermo, Vincenzo; Pugno, Nicola; Garrido, Jose A.; Sordan, Roman; Bianco, Alberto; Ballerini, Laura; Prato, Maurizio; Lidorikis, Elefterios; Kivioja, Jani; Marinelli, Claudio; Ryhaenen, Tapani; Morpurgo, Alberto; Coleman, Jonathan N.; Nicolosi, Valeria; Colombo, Luigi; Fert, Albert; Garcia-Hernandez, Mar; Bachtold, Adrian; Schneider, Gregory F.; Guinea, Francisco; Dekker, Cees; Barbone, Matteo; Sun, Zhipei; Galiotis, Costas; Grigorenko, Alexander N.; Konstantatos, Gerasimos; Kis, Andras; Katsnelson, Mikhail; Vandersypen, Lieven; Loiseau, Annick; Morandi, Vittorio; Neumaier, Daniel; Treossi, Emanuele; Pellegrini, Vittorio; Polini, Marco; Tredicucci, Alessandro; Williams, Gareth M.; Hong, Byung Hee; Ahn, Jong-Hyun; Kim, Jong Min; Zirath, Herbert; van Wees, Bart J.; van der Zant, Herre; Occhipinti, Luigi; Di Matteo, Andrea; Kinloch, Ian A.; Seyller, Thomas; Quesnel, Etienne; Feng, Xinliang; Teo, Ken; Rupesinghe, Nalin; Hakonen, Pertti; Neil, Simon R. T.; Tannock, Quentin; Loefwander, Tomas; Kinaret, Jari

    2015-01-01

    We present the science and technology roadmap for graphene, related two-dimensional crystals, and hybrid systems, targeting an evolution in technology, that might lead to impacts and benefits reaching into most areas of society. This roadmap was developed within the framework of the European

  7. 78 FR 53789 - Technology Innovations for Substance Abuse and Mental Health Treatment Conference & Related...

    Science.gov (United States)

    2013-08-30

    ... CONTROL POLICY Technology Innovations for Substance Abuse and Mental Health Treatment Conference & Related... Technology Innovations for Substance Abuse and Mental Health Treatment Conference highlighting promising... prevention, treatment, and recovery for these disorders. The conference will be held on September 16, 2013...

  8. RESET Roadmap for European research on Smartcard rElated Technologies

    NARCIS (Netherlands)

    Gras, F.; Le Dantec, B.; Trebucq, O.; Cucinelli, B; Leduc, M.; Simplot, D.; Bueker, U.; Barthe, G.; Michaud, B.; Hartel, P.H.; Thevenot, B.; Moedl, A.; Quisquater, J.J.; Thomasson, J.P.; Canto, E.

    2003-01-01

    The objective of RESET (Roadmap for European research on Smartcard related Technologies) is to investigate the RTD needs corresponding to current and expected future technology gaps, identified by the industry and resulting from market and product trends foreseen by smart card industrial players. Th

  9. Technology Related Expectations of Turkish as a Second Language Learners at Hacettepe University

    Science.gov (United States)

    Kalfa, Mahir; Yalcin, Haydar

    2013-01-01

    Aside from "lingua franca" of the current age, technology enhanced language learning is still in its infancy for the less commonly taught languages. Hacettepe TOMER has been teaching Turkish as a foreign/second language to the exchange students for several years though; technology related expectations of the language learners have never…

  10. 48 CFR 952.223 - Clauses related to environment, energy and water efficiency, renewable energy technologies...

    Science.gov (United States)

    2010-10-01

    ... environment, energy and water efficiency, renewable energy technologies, occupational safety, and drug-free workplace. 952.223 Section 952.223 Federal Acquisition Regulations System DEPARTMENT OF ENERGY CLAUSES AND... related to environment, energy and water efficiency, renewable energy technologies, occupational...

  11. Inventory of environmental impact models related to energy technologies

    Energy Technology Data Exchange (ETDEWEB)

    Owen, P.T.; Dailey, N.S.; Johnson, C.A.; Martin, F.M. (eds.)

    1979-02-01

    The purpose of this inventory is to identify and collect data on computer simulations and computational models related to the environmental effects of energy source development, energy conversion, or energy utilization. Information for 33 data fields was sought for each model reported. All of the information which could be obtained within the time alloted for completion of the project is presented for each model listed. Efforts will be continued toward acquiring the needed information. Readers who are interested in these particular models are invited to contact ESIC for assistance in locating them. In addition to the standard bibliographic information, other data fields of interest to modelers, such as computer hardware and software requirements, algorithms, applications, and existing model validation information, are included. Indexes are provided for contact person, acronym, keyword, and title. The models are grouped into the following categories: atmospheric transport, air quality, aquatic transport, terrestrial food chains, soil transport, aquatic food chains, water quality, dosimetry, and human effects, animal effects, plant effects, and generalized environmental transport. Within these categories, the models are arranged alphabetically by last name of the contact person.

  12. Origins of Early Mesozoic granitoids and their enclaves from West Kunlun, NW China: implications for evolving magmatism related to closure of the Paleo-Tethys ocean

    Science.gov (United States)

    Wang, Chao; Liu, Liang; Korhonen, Fawna; Yang, Wen-Qiang; Cao, Yu-Ting; He, Shi-Ping; Zhu, Xiao-Hui; Liang, Wen-Tian

    2016-04-01

    Early Mesozoic granitoids and microgranular enclaves (MEs) are widespread in the West Kunkun, northwestern Tibetan plateau, and record the tectonic evolution of Eurasia-Tethys in this area. This study reports geochemistry, zircon U-Pb and Hf isotopic data for a suite of granitoids and their MEs from the Middle Triassic Bulunkou pluton (BP) and the Late Triassic Akazishan pluton (AP) from the West Kunlun. LA-ICP-MS U-Pb zircon dating of a sample from the BP host monzogranite and an enclave, as well as a AP monzogranite, yielded ages of 236 ± 2, 230 ± 7 and 208 ± 1 Ma, respectively. The BP monzogranite and its enclaves from the northwestern part of the West Kunlun are mainly weakly peraluminous granites characterised by relatively high Rb, Th, Rb/Sr (2.64-9.03) and HREE contents, and low Mg#, Sr/Y and negative Eu anomalies. Zircons from the BP monzogranite have ɛHf(t) values from -5.7 to -1.6. Zircons from enclaves of the BP show more variable ɛHf(t) values from -4.1 to 3.8. We consider that the BP granites are likely to have been formed by partial melting of metasedimentary rocks at shallow crustal depth, and their enclaves, composed of quartz + biotite + plagioclase + garnet + K-feldspar, are relics from the melting of a source at middle crustal depths. The AP host and its enclaves from the southeastern part of the West Kunlun have low Rb, Rb/Sr (0.15-1.90) and weakly negative Eu anomalies but high HREE contents indicating limited fractionation of plagioclase without residual garnet in their source. The inferred protolith is an intermediate igneous rock in the middle or lower crust. MEs hosted in the AP have high Mg# (39.7-45.0) and Nb and weakly negative Eu anomalies, as well as high Sr, P and Ti, corresponding to a medium-K basaltic rock, which may have originated from mixing of partial melting of metasomatised mantle wedge that has been modified by upwelling asthenospheric mantle and crustal melting in the deep source. Post-collisional southeasternward

  13. HELIAS stellarator reactor studies and related European technology studies

    Energy Technology Data Exchange (ETDEWEB)

    Grieger, G. (Max-Planck-Institut fuer Plasmaphysik, EURATOM-Association, D-85748 Garching (Germany)); Nuehrenberg, J. (Max-Planck-Institut fuer Plasmaphysik, EURATOM-Association, D-85748 Garching (Germany)); Renner, H. (Max-Planck-Institut fuer Plasmaphysik, EURATOM-Association, D-85748 Garching (Germany)); Sapper, J. (Max-Planck-Institut fuer Plasmaphysik, EURATOM-Association, D-85748 Garching (Germany)); Wobig, H. (Max-Planck-Institut fuer Plasmaphysik, EURATOM-Association, D-85748 Garching (Germany))

    1994-08-01

    Research on stellarators has been carried out in Europe since the early years of the fusion programme. Early studies of this reactor concept were done at the Culham Laboratory of the UK Atomic Energy Authority. Such classical stellarators, however, have poor reactor prospects in spite of the significant advantage of not needing a large toroidal plasma current. It seemed to be just this large toroidal plasma current which has led to intrinsic deficiencies with respect to reactor potential of the tokamak. Expecting that these deficiencies would disappear for a concept without such a current, the Institut fuer Plasmaphysik developed, in a roll-back fashion, i.e. by starting from reactor considerations, the concept of the helical axis advanced stellarator (HELIAS). The results achieved look very promising indeed. Since tokamaks and stellarators show many similarities, there appeared no need as yet for a new stand-alone stellarator reactor study. The work was rather concentrated on the few but decisive differences between the two concepts and on evaluation of their relative importance. Studies on the coil system, the stress distribution in the supporting material, the space needed for an efficient blanket system, the properties of the exhaust system, etc. have been done. Applying contemporary scaling laws, it turns out that although the aspect ratio of such advanced stellarators is larger than that of tokamaks, the plasma volume is about the same. The magnetic energy needed for plasma confinement is considerably lower and the mass utilization tends to be larger than for comparable tokamaks. It also follows that a number of reactor components needed for tokamak operation (e.g. current drive, feedback stabilization, disruption prevention) are not needed in stellarators, making this type of reactor and its operation simpler. Such results would have a large influence on selection of the final concept and the further evolution of the fusion programme.

  14. Consumption dynamics and technological change - exemplified by the mobile phone and related technologies

    DEFF Research Database (Denmark)

    Røpke, Inge

    2003-01-01

    consumer goods. The project was basically motivated by environmental and distributional concerns, and the purpose is first to reveal some important consumption dynamics at work on the micro level, and second to investigate how respondent families use new technologies, and how these are eventually...... integrated into gradual changes of everyday life - thereby influencing consumption dynamics and environmental impacts of everyday life in the longer term. The exposition of empirical findings is organised according to a theoretical framework outlining the acquisition and domestication processes - a framework...... that has emerged through the analytical process. The study illustrates how consumption drives are deeply embedded in the considerations, themes and complexities of everyday life, showing few signs of satiation in the short term. Moreover our findings on domestication indicate that some environmentally...

  15. Voyages Through Time: Everything Evolves

    Science.gov (United States)

    Pendleton, Y. J.; Tarter, J. C.; DeVore, E. K.; O'Sullivan, K. A.; Taylor, S. M.

    2001-12-01

    Evolutionary change is a powerful framework for studying our world and our place therein. It is a recurring theme in every realm of science: over time, the universe, the planet Earth, life, and human technologies all change, albeit on vastly different scales. Evolution offers scientific explanations for the age-old question, "Where did we come from?" In addition, historical perspectives of science show how our understanding has evolved over time. The complexities of all of these systems will never reveal a "finished" story. But it is a story of epic size, capable of inspiring awe and of expanding our sense of time and place, and eminently worthy of investigating. This story is the basis of Voyages Through Time. Voyages Through Time (VTT), provides teachers with not only background science content and pedagogy, but also with materials and resources for the teaching of evolution. The six modules, Cosmic Evolution, Planetary Evolution, Origin of Life, Evolution of Life, Hominid Evolution, and Evolution of Technology, emphasize student inquiry, and promote the nature of science, as recommended in the NSES and BSL. The modules are unified by the overarching theme of evolution and the meta questions: "What is changing?" "What is the rate of change?" and "What is the mechanism of change?" Determination of student outcomes for the project required effective collaboration of scientists, teachers, students and media specialists. The broadest curricula students outcomes are 1) an enjoyment of science, 2) an understanding of the nature of science, especially the understanding of evidence and re-evaluation, and 3) key science content. The curriculum is being developed by the SETI Institute, NASA Ames Research Center, California Academy of Sciences, and San Francisco State University, and is funded by the NSF (IMD 9730693), with support form Hewlett-Packard Company, The Foundation for Microbiology, Combined Federated Charities, NASA Astrobiology Institute, and NASA Fundamental

  16. Assisted reproductive technology (ART) treatment in women with schizophrenia or related psychotic disorder

    DEFF Research Database (Denmark)

    Ebdrup, Ninna H; Assens, Maria; Hougaard, Charlotte O

    2014-01-01

    To determine the prevalence rate of women with a diagnosis of schizophrenia or related psychotic disorder in assisted reproductive technology (ART) treatment and to study these women's fertility treatment outcome in comparison to women with no psychotic disorders....

  17. Relating Knowledge and Perceptions of Sustainable Water Management to Preferences for Smart Irrigation Technology

    National Research Council Canada - National Science Library

    Dong Hee Suh; Hayk Khachatryan; Alicia Rihn; Michael Dukes

    2017-01-01

    .... However, relatively little attention has been given toward understanding how homeowners’ perceptions and knowledge of smart irrigation technologies affect their preferences or stated purchase likelihood of such irrigation equipment...

  18. Evolving Information Ecologies

    DEFF Research Database (Denmark)

    Nicolajsen, Hanne Westh; Bansler, Jørgen P.

    2009-01-01

    This chapter examines how people in organizations appropriate new computer-based media, that is, how they adopt, reconfigure, and integrate advanced communication technologies such as groupware or desktop conferencing systems into their work practice. The chapter presents and analyzes findings from...... an in-depth field study of the adoption and use of a Web-based groupware application—a “virtual workspace”—in a large multinational firm. The analysis focuses, in particular, on the fact that people in modern organizations have plenty of media at their disposal and often combine old and new media...

  19. Evolving Information Ecologies

    DEFF Research Database (Denmark)

    Nicolajsen, Hanne Westh; Bansler, Jørgen P.

    2009-01-01

    This chapter examines how people in organizations appropriate new computer-based media, that is, how they adopt, reconfigure, and integrate advanced communication technologies such as groupware or desktop conferencing systems into their work practice. The chapter presents and analyzes findings from...... an in-depth field study of the adoption and use of a Web-based groupware application—a “virtual workspace”—in a large multinational firm. The analysis focuses, in particular, on the fact that people in modern organizations have plenty of media at their disposal and often combine old and new media...... in organizations....

  20. Application of the New Information and Communication Technologies in Public Relations.

    Science.gov (United States)

    Blake, Cecil

    This paper discusses current information technologies and their applications, both real and potential, in the field of public relations. It is argued that public relations are more important than ever in view of global events that challenge the world's ability to handle problems related to public trust and confidence, and the telecommunications…

  1. Technology Strategy and Industrial Relations: Case Studies of Japanese Multinationals in the United States

    OpenAIRE

    1983-01-01

    Eight case studies of U.S. manufacturing subsidiaries of Japanese multinationals are analyzed in terms of variations in competitive strategies and industrial relations practices. Based on data collected in 1980 on-site visits, each firm is reviewed in light of the technology contributions coming from the Japanese parent and is categorized as having product-, process-, and/or management-centered technology strategies. The industrial relations practices are also grouped according to similaritie...

  2. Market potential analysis of value propositions related to projector-sensor technology in hospitality environment

    OpenAIRE

    2014-01-01

    The research task of this Master’s Thesis is to define and analyze potential markets related of projector-sensor technology in hospitality industry and to define service concepts and business ecosystems related to projector-sensor technology. From an academic point of view this study aims to participate in discussion around the concepts of customer value and business ecosystem. This is done by analyzing market potential of a value proposition through business biosphere -framework. The ke...

  3. NASA Activities as they Relate to Microwave Technology for Aerospace Communications Systems

    Science.gov (United States)

    Miranda, Felix A.

    2011-01-01

    This presentation discusses current NASA activities and plans as they relate to microwave technology for aerospace communications. The presentations discusses some examples of the aforementioned technology within the context of the existing and future communications architectures and technology development roadmaps. Examples of the evolution of key technology from idea to deployment are provided as well as the challenges that lay ahead regarding advancing microwave technology to ensure that future NASA missions are not constrained by lack of communication or navigation capabilities. The presentation closes with some examples of emerging ongoing opportunities for establishing collaborative efforts between NASA, Industry, and Academia to encourage the development, demonstration and insertion of communications technology in pertinent aerospace systems.

  4. Simulation in International Relations Education.

    Science.gov (United States)

    Starkey, Brigid A.; Blake, Elizabeth L.

    2001-01-01

    Discusses the educational implications of simulations in international relations. Highlights include the development of international relations simulations; the role of technology; the International Communication and Negotiation Simulations (ICONS) project at the University of Maryland; evolving information technology; and simulating real-world…

  5. Social Relations of Science and Technology: perceptions of teachers of technical training, PARFOR course participants

    Directory of Open Access Journals (Sweden)

    Manuella Candéo

    2014-12-01

    Full Text Available We present in this paper a study on the perceptions of teachers of technical training, course participants (PARFOR National Plan for Training Teachers of Basic Education , offered by the Federal Technological University of Paraná, Campus Ponta Grossa (PG - UTFPR on the social relations of science and technology. The study conducted with 15 teachers from various disciplines. The methodological approach was quantitative research , the instrument of data collection was based questionnaire with open questions . The main results show that the vast majority of teachers had a very narrow view about science and technology , consider that the scientific and technological development always bring benefits to its own population of traditional / classic , positivist view. The need to promote reflection on social issues of science and technology in education technology in order to train professionals aware of their responsibilities as citizens in a highly technological age was observed. It is emphasized that these are recorded in the master's thesis entitled Scientific and Technological Literacy (ACT by Focus Science, Technology and Society (STS from commercial films of the University Program Graduate School of Science and Technology Tecnológica Federal do Paraná ( UTFPR Campus Ponta Grossa, Brazil.

  6. The Evolving Relations of Japan and India

    Science.gov (United States)

    2014-12-01

    the same source increased its military spending by a factor of ten and rose from the eleventh to the second highest military spender in the world...Does it Affect Us?,” Malaysia Chronicle, December 22, 2013, http://www.malaysia- chronicle.com/index.php?option=com_k2&view=item&id=201131:chinese...likelihood of success and the potential for friction come from the various hurdles to cross in achieving UNSC reform. First, various plans have been

  7. Status of Solar Generator Related Technology Development Activities Supporting the Juice Mission

    Directory of Open Access Journals (Sweden)

    Baur Carsten

    2017-01-01

    Full Text Available The paper provides an overview of the current status of several technical development activities initiated by the European Space Agency (ESA to support the JUICE mission to the Jovian system. First of all, the qualification status of the solar cells to be used in the JUICE mission will be reported. Then, the conclusions from a dedicated activity aiming at assessing the potential degradation of triple-junction solar cells upon primary discharges will be discussed. Finally, the results on the coupon tests currently running at ESA will be presented. The coupons consist of representative solar cell assemblies including coverglasses with a conductive Indium Tin Oxide (ITO layer. Dedicated coverglass grounding technologies are tested on the coupons which connect the conductive coverglass surfaces to the panel ground. It will be shown how the resistivity of the materials used in the coupons evolves upon submission to extreme thermal cycles.

  8. Exploring How Teacher-Related Factors Relate to Student Achievement in Learning Advanced Algebra in Technology-Enhanced Classrooms

    Science.gov (United States)

    Hegedus, Stephen J.; Tapper, John; Dalton, Sara

    2016-01-01

    In this study, we examine the relationship between contextual variables related to teachers and student performance in Advanced Algebra classrooms in the USA. The data were gathered from a cluster-randomized study on the effects of SimCalc MathWorlds®, a curricular and technological intervention as a replacement for Algebra 2 curriculum, on…

  9. Exploring How Teacher-Related Factors Relate to Student Achievement in Learning Advanced Algebra in Technology-Enhanced Classrooms

    Science.gov (United States)

    Hegedus, Stephen J.; Tapper, John; Dalton, Sara

    2016-01-01

    In this study, we examine the relationship between contextual variables related to teachers and student performance in Advanced Algebra classrooms in the USA. The data were gathered from a cluster-randomized study on the effects of SimCalc MathWorlds®, a curricular and technological intervention as a replacement for Algebra 2 curriculum, on…

  10. Testing the Abbreviated Food Technology Neophobia Scale and its relation to satisfaction with food-related life in university students.

    Science.gov (United States)

    Schnettler, Berta; Grunert, Klaus G; Miranda-Zapata, Edgardo; Orellana, Ligia; Sepúlveda, José; Lobos, Germán; Hueche, Clementina; Höger, Yesli

    2017-06-01

    The aims of this study were to test the relationships between food neophobia, satisfaction with food-related life and food technology neophobia, distinguishing consumer segments according to these variables and characterizing them according to willingness to purchase food produced with novel technologies. A survey was conducted with 372 university students (mean aged=20.4years, SD=2.4). The questionnaire included the Abbreviated version of the Food Technology Neophobia Scale (AFTNS), Satisfaction with Life Scale (SWLS), and a 6-item version of the Food Neophobia Scale (FNS). Using confirmatory factor analysis, it was confirmed that SWFL correlated inversely with FNS, whereas FNS correlated inversely with AFTNS. No relationship was found between SWFL and AFTNS. Two main segments were identified using cluster analysis; these segments differed according to gender and family size. Group 1 (57.8%) possessed higher AFTNS and FNS scores than Group 2 (28.5%). However, these groups did not differ in their SWFL scores. Group 1 was less willing to purchase foods produced with new technologies than Group 2. The AFTNS and the 6-item version of the FNS are suitable instruments to measure acceptance of foods produced using new technologies in South American developing countries. The AFTNS constitutes a parsimonious alternative for the international study of food technology neophobia. Copyright © 2017 Elsevier Ltd. All rights reserved.

  11. Research Notes Openness and Evolvability Legal Assessment

    Science.gov (United States)

    2016-08-01

    enforceable? Are interface providers (granule vendors) legally required to disclose (including license) semantic characteristics of their interfaces to...not be possible to adequately maintain and evolve the supporting material. Similarly, if the tool is proprietary to a related entity (such as the

  12. Technology Commercialization Program 1991

    Energy Technology Data Exchange (ETDEWEB)

    1991-11-01

    This reference compilation describes the Technology Commercialization Program of the Department of Energy, Defense Programs. The compilation consists of two sections. Section 1, Plans and Procedures, describes the plans and procedures of the Defense Programs Technology Commercialization Program. The second section, Legislation and Policy, identifies legislation and policy related to the Program. The procedures for implementing statutory and regulatory requirements are evolving with time. This document will be periodically updated to reflect changes and new material.

  13. Transistor Level Circuit Experiments using Evolvable Hardware

    Science.gov (United States)

    Stoica, A.; Zebulum, R. S.; Keymeulen, D.; Ferguson, M. I.; Daud, Taher; Thakoor, A.

    2005-01-01

    The Jet Propulsion Laboratory (JPL) performs research in fault tolerant, long life, and space survivable electronics for the National Aeronautics and Space Administration (NASA). With that focus, JPL has been involved in Evolvable Hardware (EHW) technology research for the past several years. We have advanced the technology not only by simulation and evolution experiments, but also by designing, fabricating, and evolving a variety of transistor-based analog and digital circuits at the chip level. EHW refers to self-configuration of electronic hardware by evolutionary/genetic search mechanisms, thereby maintaining existing functionality in the presence of degradations due to aging, temperature, and radiation. In addition, EHW has the capability to reconfigure itself for new functionality when required for mission changes or encountered opportunities. Evolution experiments are performed using a genetic algorithm running on a DSP as the reconfiguration mechanism and controlling the evolvable hardware mounted on a self-contained circuit board. Rapid reconfiguration allows convergence to circuit solutions in the order of seconds. The paper illustrates hardware evolution results of electronic circuits and their ability to perform under 230 C temperature as well as radiations of up to 250 kRad.

  14. TRENDS AND ISSUES: A REVIEW OF STUDIES RELATED TO TECHNOLOGY USAGE IN EARLY CHILDHOOD EDUCATION

    Directory of Open Access Journals (Sweden)

    Elif ÖZTÜRK YILMAZTEKİN

    2013-06-01

    Full Text Available This paper describes types of technology studies that have been conducted related to young children’s early education. A systematic review of studies was undertaken using EBSCOhost, Blackwell Synergy, and ScienceDirect databases, to identify all studies published between 2003 and 2009 according to specific criteria. The studies were selected on the basis of the following three issues: (1 the role of technology in children’s development, (2 the role of technology in teachers’ teaching practices, and (3 studies that aimed to investigate the impact of technology usage on not only teacher practices but also young children’s development in school settings. In for each type of study the methodology, types of technology used, purposes and findings and other features including the publication year, and study locations are given in detail.

  15. Information and Communication Technology Related Needs of College and University Students with Disabilities

    Science.gov (United States)

    Fichten, Catherine S.; Asuncion, Jennison V.; Wolforth, Joan; Barile, Maria; Budd, Jillian; Martiniello, Natalie; Amsel, Rhonda

    2012-01-01

    Purpose: To explore variables related to how well the information and communication technologies (ICTs) related needs of students with different disabilities are being met on campus at institutions of higher education, at home and in e-learning contexts. We also explore the disciplines and programmes pursued by students with different disabilities…

  16. TECHNOLOGY RELATED EXPECTATIONS OF TURKISH AS A SECOND LANGUAGE LEARNERS AT HACETTEPE UNIVERSITY

    Directory of Open Access Journals (Sweden)

    Mahir KALFA

    2013-04-01

    Full Text Available Aside from ‘lingua franca’ of the current age, technology enhanced language learning is stil in its infancy for the less commonly taught languages. Hacettepe TOMER has been teaching Turkish as a foreign/second language to the exchange students for several years though; technology related expectations of the language learners have never been precisely determined. The current study, as an action research of which the institution would benefit from, aimed to explore the language learners’ technology related expectations. The sample of the study is 17 foreigner students attending Turkish as a second language programs with different native languages. The data were gathered through a questionnaire form developed by the researchers and a thorough literature review. The results revealed that HUTOMER should enhance their technologic facilities and improve the quality of the language education provided at the institution because participants do expect more multimedia resources during their language education. Suggestions were made for further research.

  17. Architecture for Pseudo Acausal Evolvable Embedded Systems

    CERN Document Server

    Abubakr, Mohd

    2007-01-01

    Advances in semiconductor technology are contributing to the increasing complexity in the design of embedded systems. Architectures with novel techniques such as evolvable nature and autonomous behavior have engrossed lot of attention. This paper demonstrates conceptually evolvable embedded systems can be characterized basing on acausal nature. It is noted that in acausal systems, future input needs to be known, here we make a mechanism such that the system predicts the future inputs and exhibits pseudo acausal nature. An embedded system that uses theoretical framework of acausality is proposed. Our method aims at a novel architecture that features the hardware evolability and autonomous behavior alongside pseudo acausality. Various aspects of this architecture are discussed in detail along with the limitations.

  18. A Meta-Analysis Method to Advance Design of Technology-Based Learning Tool: Combining Qualitative and Quantitative Research to Understand Learning in Relation to Different Technology Features

    Science.gov (United States)

    Zhang, Lin

    2014-01-01

    Educators design and create various technology tools to scaffold students' learning. As more and more technology designs are incorporated into learning, growing attention has been paid to the study of technology-based learning tool. This paper discusses the emerging issues, such as how can learning effectiveness be understood in relation to…

  19. Deaths during general anesthesia: technology-related, due to human error, or unavoidable? An ECRI technology assessment.

    Science.gov (United States)

    1985-01-01

    More than 2,000 healthy Americans die each year during general anesthesia, and at least half of these deaths may be preventable. Anesthetists and equipment manufacturers have made considerable progress in improving anesthesia safety. However, much more needs to be done, especially in "human-factors" areas such as improved training, consistent use of preanesthesia checklists, and anesthetists' willingness to enhance their vigilance by using appropriate monitoring equipment. While defective equipment and supplies are the direct cause of relatively few deaths, inexpensive oxygen analyzers and disconnect alarms could, if available in more ORs, warn anesthetists in time to convert many deaths to near misses. Some anesthetists are using other monitoring technologies that are more costly, but can detect a wider range of problems. The anesthesia community could expand its anesthesia-safety leadership and guidance, by improving technology-related training and by developing practice standards for anesthetists and safety standards for equipment. The Joint Commission on Accreditation of Hospitals could impose specific safety requirements on hospitals; malpractice insurance carriers could require anesthetists and hospitals to use monitors and alarms during all procedures; and the Food and Drug Administration could actively stimulate and oversee these efforts and perhaps provide seed money for some of them. The necessary equipment costs would likely be offset by long-term savings in malpractice premiums, as anesthesia incidents are the most costly of all types of malpractice claims. Concerted efforts such as these could greatly reduce the number of avoidable anesthesia-related deaths.

  20. Marshal: Maintaining Evolving Models Project

    Data.gov (United States)

    National Aeronautics and Space Administration — SIFT proposes to design and develop the Marshal system, a mixed-initiative tool for maintaining task models over the course of evolving missions. Marshal-enabled...

  1. Review of Evolving Planet [game

    Directory of Open Access Journals (Sweden)

    Shawn Graham

    2016-11-01

    Full Text Available A review of Evolving Planet is an agent-based model situated in the archaeology of hominin dispersal, wrapped in the trappings of a casual video game. In Evolving Planet, a terrestrial world has been discovered, replete with artefacts and sites from a now-extinct intelligent species, dubbed the 'Lovans'. You (the player are the distinguished archaeologist sent from Earth to oversee a project trying to work out why the 'Lovans' became extinct.

  2. Review of Evolving Planet [game

    OpenAIRE

    Shawn Graham

    2016-01-01

    A review of Evolving Planet is an agent-based model situated in the archaeology of hominin dispersal, wrapped in the trappings of a casual video game. In Evolving Planet, a terrestrial world has been discovered, replete with artefacts and sites from a now-extinct intelligent species, dubbed the 'Lovans'. You (the player) are the distinguished archaeologist sent from Earth to oversee a project trying to work out why the 'Lovans' became extinct.

  3. Vaginal contraceptives still evolving.

    Science.gov (United States)

    Pearson, R M

    1986-01-01

    The effort to develop vaginal contraceptives began in the distant past and is still underway today. 1000 years ago, South American Indians inserted into the vagina bark strips impregnated with quinine. In medieval times women used vaginal inserts of cloth soaked in honey or vinegar. Quinine pessaries were introduced into Europe in the late 1800s, and in the early 1900s investigators began to study the effects of various chemicals on sperm motility. Following World War II, surfactant spermicides which disrupt the sperm membrane were developed and marketed. Many of these preparations contained nonoxynol-9. Currently, the D-isomer of propranolol is being examined as a spermicidal contraceptive, and several bacteriocides, e.g., benzalkonium and chlorhexidine, are being developed as spermicides which reduce the penetrability of cervical mucus. Other chemicals being investigated act by inhibiting the acrosome reaction. Advantages of vaginal contraceptives are that they are inexpensive, reversible, and relatively safe and easy to use. Generally they require no medical intervention or supervision. In addition, spermicides may kill or inhibit the growth of organisms responsible for sexually transmitted diseases. Disadvantages of spermicides are that they are generally less effective than many other methods, some interfere with sexual spontaneity, they may cause local irritations, and some women find them messy to use. Recently, concerns were expressed about the possible teratogenic effects of sperimicides. Most of these concerns proved to be unfounded. Given the many new avenues of research, the major disadvantage of sperimicides, i.e., their high failure rates, may be minimized in the near future.

  4. The modern technologies of subject-subject mutual relations of teacher and students in Higher School

    Directory of Open Access Journals (Sweden)

    Gonchar O.V.

    2012-03-01

    Full Text Available Humanistic essence of pedagogical mutual relations idea of is exposed and the row of modern technologies is analyzed. The directions of creative application of progressive theoretical ideas of realization of pedagogical mutual relations of teachers and students are reflected. The certain features and practical achievements of their realization in higher school practice are described in order not to allow miscalculations and defects in development of the higher education system of Ukraine. The substance of definition "pedagogical co-operation in an educational process" in correlation with a concept "pedagogical technology" is analyzed.

  5. eVolver: an optimization engine for evolving protein sequences to stabilize the respective structures.

    Science.gov (United States)

    Brylinski, Michal

    2013-07-31

    Many structural bioinformatics approaches employ sequence profile-based threading techniques. To improve fold recognition rates, homology searching may include artificially evolved amino acid sequences, which were demonstrated to enhance the sensitivity of protein threading in targeting midnight zone templates. We describe implementation details of eVolver, an optimization algorithm that evolves protein sequences to stabilize the respective structures by a variety of potentials, which are compatible with those commonly used in protein threading. In a case study focusing on LARG PDZ domain, we show that artificially evolved sequences have quite high capabilities to recognize the correct protein structures using standard sequence profile-based fold recognition. Computationally design protein sequences can be incorporated in existing sequence profile-based threading approaches to increase their sensitivity. They also provide a desired linkage between protein structure and function in in silico experiments that relate to e.g. the completeness of protein structure space, the origin of folds and protein universe. eVolver is freely available as a user-friendly webserver and a well-documented stand-alone software distribution at http://www.brylinski.org/evolver.

  6. Laplacian Estrada and normalized Laplacian Estrada indices of evolving graphs.

    Directory of Open Access Journals (Sweden)

    Yilun Shang

    Full Text Available Large-scale time-evolving networks have been generated by many natural and technological applications, posing challenges for computation and modeling. Thus, it is of theoretical and practical significance to probe mathematical tools tailored for evolving networks. In this paper, on top of the dynamic Estrada index, we study the dynamic Laplacian Estrada index and the dynamic normalized Laplacian Estrada index of evolving graphs. Using linear algebra techniques, we established general upper and lower bounds for these graph-spectrum-based invariants through a couple of intuitive graph-theoretic measures, including the number of vertices or edges. Synthetic random evolving small-world networks are employed to show the relevance of the proposed dynamic Estrada indices. It is found that neither the static snapshot graphs nor the aggregated graph can approximate the evolving graph itself, indicating the fundamental difference between the static and dynamic Estrada indices.

  7. Laplacian Estrada and normalized Laplacian Estrada indices of evolving graphs.

    Science.gov (United States)

    Shang, Yilun

    2015-01-01

    Large-scale time-evolving networks have been generated by many natural and technological applications, posing challenges for computation and modeling. Thus, it is of theoretical and practical significance to probe mathematical tools tailored for evolving networks. In this paper, on top of the dynamic Estrada index, we study the dynamic Laplacian Estrada index and the dynamic normalized Laplacian Estrada index of evolving graphs. Using linear algebra techniques, we established general upper and lower bounds for these graph-spectrum-based invariants through a couple of intuitive graph-theoretic measures, including the number of vertices or edges. Synthetic random evolving small-world networks are employed to show the relevance of the proposed dynamic Estrada indices. It is found that neither the static snapshot graphs nor the aggregated graph can approximate the evolving graph itself, indicating the fundamental difference between the static and dynamic Estrada indices.

  8. Comparing relational model transformation technologies: implementing Query/View/Transformation with Triple Graph Grammars

    DEFF Research Database (Denmark)

    Greenyer, Joel; Kindler, Ekkart

    2010-01-01

    The Model Driven Architecture (MDA) is an approach to develop software based on different models. There are separate models for the business logic and for platform specific details. Moreover, code can be generated automatically from these models. This makes transformations a core technology for MDA...... and for model-based software engineering approaches in general. QVT (Query/View/Transformation) is the transformation technology recently proposed for this purpose by the OMG. TGGs (Triple Graph Grammars) are another transformation technology proposed in the mid-nineties, used for example in the FUJABA CASE...... tool. In contrast to many other transformation technologies, both QVT and TGGs declaratively define the relation between two models. With this definition, a transformation engine can execute a transformation in either direction and, based on the same definition, can also propagate changes from one...

  9. A review of user-centered design for diabetes-related consumer health informatics technologies.

    Science.gov (United States)

    LeRouge, Cynthia; Wickramasinghe, Nilmini

    2013-07-01

    User-centered design (UCD) is well recognized as an effective human factor engineering strategy for designing ease of use in the total customer experience with products and information technology that has been applied specifically to health care information technology systems. We conducted a literature review to analyze the current research regarding the use of UCD methods and principles to support the development or evaluation of diabetes-related consumer health informatics technology (CHIT) initiatives. Findings indicate that (1) UCD activities have been applied across the technology development life cycle stages, (2) there are benefits to incorporating UCD to better inform CHIT development in this area, and (3) the degree of adoption of the UCD process is quite uneven across diabetes CHIT studies. In addition, few to no studies report on methods used across all phases of the life cycle with process detail. To address that void, the Appendix provides an illustrative case study example of UCD techniques across development stages.

  10. Space Exploration Initiative Fuels, Materials and Related Nuclear Propulsion Technologies Panel

    Science.gov (United States)

    Bhattacharyya, S. K.; Olsen, C.; Cooper, R.; Matthews, R. B.; Walter, C.; Titran, R. J.

    1993-01-01

    This report was prepared by members of the Fuels, Materials and Related Technologies Panel, with assistance from a number of industry observers as well as laboratory colleagues of the panel members. It represents a consensus view of the panel members. This report was not subjected to a thorough review by DOE, NASA or DoD, and the opinions expressed should not be construed to represent the official position of these organizations, individually or jointly. Topics addressed include: requirement for fuels and materials development for nuclear thermal propulsion (NTP) and nuclear electric propulsion (NEP); overview of proposed concepts; fuels technology development plan; materials technology development plan; other reactor technology development; and fuels and materials requirements for advanced propulsion concepts.

  11. Mobile computing acceptance grows as applications evolve.

    Science.gov (United States)

    Porn, Louis M; Patrick, Kelly

    2002-01-01

    Handheld devices are becoming more cost-effective to own, and their use in healthcare environments is increasing. Handheld devices currently are being used for e-prescribing, charge capture, and accessing daily schedules and reference tools. Future applications may include education on medications, dictation, order entry, and test-results reporting. Selecting the right handheld device requires careful analysis of current and future applications, as well as vendor expertise. It is important to recognize the technology will continue to evolve over the next three years.

  12. State of the Science in Technology Transfer: At the Confluence of Academic Research and Business Development--Merging Technology Transfer with Knowledge Translation to Deliver Value

    Science.gov (United States)

    Lane, Joseph P.

    2010-01-01

    The practice of technology transfer continues to evolve into a discipline. Efforts continue in the field of assistive technology (AT) to move technology-related prototypes, resulting from development in the academic sector, to product commercialization within the business sector. The article describes how technology transfer can be linked to…

  13. An Evolvable Approach to Launch Vehicles for Exploration

    Science.gov (United States)

    Cheuvront, David L.; Nguyen, Tri X.

    2005-01-01

    This paper presents ideas that may be used individually or in combination to mitigate high costs for separate developments of new crew and heavy-lift cargo launch vehicles, while providing the foundation for a highly reliable and evolvable approach to exploration. Consideration is given to reclassification of cargo for launch purposes into high value versus low value categories, rather than the presently-defined crew versus cargo categories. Objectives for the reclassification are to reduce the gap between payload mass requirements for crew and cargo payloads to better allow closure on a single moderately-sized common core vehicle to reduce development cost, achieve an economical balance between launch frequency and payload mass, and to improve total mission reliability and safety, as compared a light-weight crew vehicle and heavy cargo lift approach. Concepts to reduce design and flight qualification costs for a common core vehicle with derivatives are presented. Appropriate types and mass of cargo for each class of vehicle are identified. Utilization of existing infrastructure and flight hardware is considered to reduce costs and build on proven capabilities. The approach enables low-risk incorporation of international and commercial launch of relatively low-cost, easily replaceable assets as a means to evolve toward longer-duration and more distant missions. Benefits are identified for ground idrastructure, personnel, training, logistics, spares, and system evolution. Technology needs are compared with needs for other aspects of exploration. Technology development phasing, demonstration, and reliability growth opportunities are considered. Flexibility to adapt to future technologies such as advanced in-space propulsion is contrasted with an approach of sizing the cargo launch vehicle based on today's in-space propellants.

  14. Self-Evolvable Systems Machine Learning in Social Media

    CERN Document Server

    Iordache, Octavian

    2012-01-01

    This monograph presents key method to successfully manage the growing  complexity of systems  where conventional engineering and scientific methodologies and technologies based on learning and adaptability come to their limits and new ways are nowadays required. The transition from adaptable to evolvable and finally to self-evolvable systems is highlighted, self-properties such as self-organization, self-configuration, and self-repairing are introduced and challenges and limitations of the self-evolvable engineering systems are evaluated.

  15. R&D manpower and technological performance : The impact of demographic and task-related diversity

    NARCIS (Netherlands)

    Faems, D.L.M.; Subramaniam, A.

    2013-01-01

    We assess the impact of R&D manpower diversity on firms' technological performance. Relying on insights from two theoretical perspectives on team diversity (i.e. social categorization perspective and information decision-making perspective), we hypothesize that both demographic and task-related sour

  16. 76 FR 18194 - Notice of Patent Application Deadline for Advanced Battery Technology Related Patents for...

    Science.gov (United States)

    2011-04-01

    ... Department of the Army Notice of Patent Application Deadline for Advanced Battery Technology Related Patents for Exclusive, Partially Exclusive, or Non- Exclusive Licenses; Battery Day Patent Licensing Meeting... patent licensing meeting was subsequently held February 16, 2011 at the SAIC Enterprise Bldg...

  17. Related Variety, Unrelated Variety and Technological Breakthroughs: An analysis of US State-Level Patenting

    NARCIS (Netherlands)

    Castaldi, C.; Frenken, K.; Los, B.

    2015-01-01

    Castaldi C., Frenken K. and Los B. Related variety, unrelated variety and technological breakthroughs: an analysis of US state-level patenting, Regional Studies. This paper investigates how variety affects the innovation output of a region. Borrowing arguments from theories of recombinant innovation

  18. Using Text Mining to Uncover Students' Technology-Related Problems in Live Video Streaming

    Science.gov (United States)

    Abdous, M'hammed; He, Wu

    2011-01-01

    Because of their capacity to sift through large amounts of data, text mining and data mining are enabling higher education institutions to reveal valuable patterns in students' learning behaviours without having to resort to traditional survey methods. In an effort to uncover live video streaming (LVS) students' technology related-problems and to…

  19. The Effect of Relational Database Technology on Administrative Computing at Carnegie Mellon University.

    Science.gov (United States)

    Golden, Cynthia; Eisenberger, Dorit

    1990-01-01

    Carnegie Mellon University's decision to standardize its administrative system development efforts on relational database technology and structured query language is discussed and its impact is examined in one of its larger, more widely used applications, the university information system. Advantages, new responsibilities, and challenges of the…

  20. Impact of Genomics and in Silico Related Technologies in the Drug Discovery Process

    Institute of Scientific and Technical Information of China (English)

    L(E)AUT(E),Jean-Baptiste

    2003-01-01

    In order to evaluate to what extent will genomics and in silico related technologies improve overall drug discovery process, we analyzed three studies comparing cost, time and attrition rate at each step of the drug discovery process, between standard pharmaceutical and genomics based approaches.

  1. Evaluating Progression in Students' Relational Thinking While Working on Tasks with Geospatial Technologies

    NARCIS (Netherlands)

    Favier, Tim; van der Schee, Joop|info:eu-repo/dai/nl/072719575

    2014-01-01

    One of the facets of geographic literacy is the ability to think in a structured way about geographic relationships. Geospatial technologies offer many opportunities to stimulate students’ geographic relational thinking. The question is: How can these opportunities be effectuated? This paper discuss

  2. R&D manpower and technological performance : The impact of demographic and task-related diversity

    NARCIS (Netherlands)

    Faems, D.L.M.; Subramaniam, A.

    2013-01-01

    We assess the impact of R&D manpower diversity on firms' technological performance. Relying on insights from two theoretical perspectives on team diversity (i.e. social categorization perspective and information decision-making perspective), we hypothesize that both demographic and task-related sour

  3. 37 CFR 5.20 - Export of technical data relating to sensitive nuclear technology.

    Science.gov (United States)

    2010-07-01

    ... 37 Patents, Trademarks, and Copyrights 1 2010-07-01 2010-07-01 false Export of technical data... LICENSES TO EXPORT AND FILE APPLICATIONS IN FOREIGN COUNTRIES Licenses for Foreign Exporting and Filing § 5.20 Export of technical data relating to sensitive nuclear technology. Under regulations (10 CFR...

  4. Using Text Mining to Uncover Students' Technology-Related Problems in Live Video Streaming

    Science.gov (United States)

    Abdous, M'hammed; He, Wu

    2011-01-01

    Because of their capacity to sift through large amounts of data, text mining and data mining are enabling higher education institutions to reveal valuable patterns in students' learning behaviours without having to resort to traditional survey methods. In an effort to uncover live video streaming (LVS) students' technology related-problems and to…

  5. Evaluating Progression in Students' Relational Thinking While Working on Tasks with Geospatial Technologies

    NARCIS (Netherlands)

    Favier, Tim; van der Schee, Joop

    2014-01-01

    One of the facets of geographic literacy is the ability to think in a structured way about geographic relationships. Geospatial technologies offer many opportunities to stimulate students’ geographic relational thinking. The question is: How can these opportunities be effectuated? This paper discuss

  6. R&D manpower and technological performance : The impact of demographic and task-related diversity

    NARCIS (Netherlands)

    Faems, D.L.M.; Subramaniam, A.

    2013-01-01

    We assess the impact of R&D manpower diversity on firms' technological performance. Relying on insights from two theoretical perspectives on team diversity (i.e. social categorization perspective and information decision-making perspective), we hypothesize that both demographic and task-related

  7. Evaluating Progression in Students' Relational Thinking While Working on Tasks with Geospatial Technologies

    NARCIS (Netherlands)

    Favier, Tim; van der Schee, Joop

    2014-01-01

    One of the facets of geographic literacy is the ability to think in a structured way about geographic relationships. Geospatial technologies offer many opportunities to stimulate students’ geographic relational thinking. The question is: How can these opportunities be effectuated? This paper

  8. Cui Bono? On the Relative Merits of Technology-Enhanced Learning and Teaching in Higher Education

    Science.gov (United States)

    Mykhnenko, Vlad

    2016-01-01

    This article provides evidence from a 4-year longitudinal study on the comparative use of illustrative video podcasts during Economic Geography lectures vis-à-vis traditional educational methods in order to guide pedagogic practice and future research on the relative merits of technology-enhanced learning in higher education. Key benefits derived…

  9. Technology-Enabled Crime, Policing and Security

    Science.gov (United States)

    McQuade, Sam

    2006-01-01

    Crime, policing and security are enabled by and co-evolve with technologies that make them possible. As criminals compete with security and policing officials for technological advantage perpetually complex crime, policing and security results in relatively confusing and therefore unmanageable threats to society. New, adaptive and ordinary crimes…

  10. The Enemy is Still Below: The Global Diffusion of Submarines and Related Technology

    Energy Technology Data Exchange (ETDEWEB)

    Weiss, K G

    2012-06-05

    The spread of submarines and related technology is an end product of globalization. Globalization is not a new story. By one estimate, our ancestors first crossed out of Africa roughly 80,000 years ago, and began the process that they now call globalization. With the dispersion of people around the world came the development of culture and civilization as well as the spread of ideas, goods, and technology. The process of globalization then is a long-standing one, not an innovation of the late 20th and early 21st centuries. Over the millennia, this process has been an uneven one. Globalization has often cuased great disruptions even to the societies that initiated various innovations in culture and civilization, including science and technology. Indeed, many cultures and civilizations have disappeared while some regions failed to advance as rapidly as others, so the process of globalization is not just one of continuing progress. Globalization in the current era seems to be penetrating the most remote corners of the world at a remarkable rate as a result of advances in science and technology, particularly information technology. The diffusion of science and technology is not necessarily a benign development. It could increase the potential for a global military industrial base that may have an adverse affect on world stability in the future. For example, the spread of key military capabilities, like submarines, could still have an impact, especially over the longer term, on the US capability to project power overseas.

  11. The Ecological Behaviour Related to Green Information and Communication Technology in Romanian Organizations

    Directory of Open Access Journals (Sweden)

    Laura-Diana Radu

    2014-12-01

    Full Text Available An increased focus on environmental issues and the fulminant development of information and communication technologies led to the appearance and increased interest in the green characteristics of the available products and services. The ecological behaviour related to these technologies used by organizations, has become a widely studied and applied topic nowadays. In this context, this paper aims to analyse the perception of managers and employees of the Romanian companies in relation to the green information and communication technologies in the attempt to offer a genuine image of their attitude and see if their views are close to the international vision on environment protection. Starting from the literature regarding information and communication technologies and the available empirical studies, we have made an analysis on two categories of organizations: the ones that apply environment policies supported by the institutions and the ones that do not apply any policies, including comparisons between them. The conclusions of the study pointed out the presence of environmental concerns, not always clearly drawn or applied, but they could form the basis for the future actions and initiatives of consumers of information and communication technologies products and services in the wider context and will to fall into line with the Western level of economic and social development.

  12. Psychological adaptation in the info-communication society: The revised version of Technology-Related Psychological Consequences Questionnaire.

    Directory of Open Access Journals (Sweden)

    Emelin V.A.

    2014-07-01

    Full Text Available The aim of the study is to consider technology-related changes in psychological needs and boundaries that affect one’s personal adaptation to the info-communication society, as well as how they relate to problematic or excessive technology use. Based on the psychological model of the consequences of technology use, we’ve picked two forms of technology use (one related to mobile phones and the other related to the Internet from a revised version of our Technology-Related Psychological Consequences Questionnaire. The new version includes nine questions: two assessing the excessive use of technology (the inability to resist using technology and subjective dependence, four assessing changes in psychological boundaries (boundaries extension and violation, easiness-related and opportunity-related preference for technology and the other three measuring technology-related needs (functionality, convenience and image making. In the normative sample (N=132, appropriate reliability, factor validity and convergent validity were demonstrated in comparisons to the picture measure of the technology-related boundaries change. Based on hierarchical regression and moderator analysis, it was shown that changes in psychological boundaries affect the excessive use of technology (explaining an additional 17-27% of the variance after adjusting for frequency of use and age group. The extension of boundaries and ease-of-use-related preference for mobile phones versus the Internet predicted satisfaction with life after adjusting for frequency of use, age group, inability to resist and subjective dependency respectively; however, the figures were not statistically significant. Thus, our data supports the hypothesis that there are different kinds of technology-related changes in psychological boundaries that manifest themselves in the subjective feeling of dependence on technology and the feeling that it is impossible to do without technology, which might in some cases

  13. Bed bugs evolved unique adaptive strategy to resist pyrethroid insecticides.

    Science.gov (United States)

    Zhu, Fang; Gujar, Hemant; Gordon, Jennifer R; Haynes, Kenneth F; Potter, Michael F; Palli, Subba R

    2013-01-01

    Recent advances in genomic and post-genomic technologies have facilitated a genome-wide analysis of the insecticide resistance-associated genes in insects. Through bed bug, Cimex lectularius transcriptome analysis, we identified 14 molecular markers associated with pyrethroid resistance. Our studies revealed that most of the resistance-associated genes functioning in diverse mechanisms are expressed in the epidermal layer of the integument, which could prevent or slow down the toxin from reaching the target sites on nerve cells, where an additional layer of resistance (kdr) is possible. This strategy evolved in bed bugs is based on their unique morphological, physiological and behavioral characteristics and has not been reported in any other insect species. RNA interference-aided knockdown of resistance associated genes showed the relative contribution of each mechanism towards overall resistance development. Understanding the complexity of adaptive strategies employed by bed bugs will help in designing the most effective and sustainable bed bug control methods.

  14. The Evolving Leadership Path of Visual Analytics

    Energy Technology Data Exchange (ETDEWEB)

    Kluse, Michael; Peurrung, Anthony J.; Gracio, Deborah K.

    2012-01-02

    This is a requested book chapter for an internationally authored book on visual analytics and related fields, coordianted by a UK university and to be published by Springer in 2012. This chapter is an overview of the leadship strategies that PNNL's Jim Thomas and other stakeholders used to establish visual analytics as a field, and how those strategies may evolve in the future.

  15. Medical mentoring via the evolving world wide web.

    Science.gov (United States)

    Jaffer, Usman; Vaughan-Huxley, Eyston; Standfield, Nigel; John, Nigel W

    2013-01-01

    Mentoring, for physicians and surgeons in training, is advocated as an essential adjunct in work-based learning, providing support in career and non-career related issues. The World Wide Web (WWW) has evolved, as a technology, to become more interactive and person centric, tailoring itself to the individual needs of the user. This changing technology may open new avenues to foster mentoring in medicine. DESIGN, SYSTEMATIC REVIEW, MAIN OUTCOME MEASURES: A search of the MEDLINE database from 1950 to 2012 using the PubMed interface, combined with manual cross-referencing was performed using the following strategy: ("mentors"[MeSH Terms] OR "mentors"[All Fields] OR "mentor"[All Fields]) AND ("internet"[MeSH Terms] OR "internet"[All Fields]) AND ("medicine"[MeSH Terms] OR "medicine"[All Fields]) AND ("humans"[MeSH Terms] AND English[lang]). Abstracts were screened for relevance (UJ) to the topic; eligibility for inclusion was simply on screening for relevance to online mentoring and web-based technologies. Forty-five papers were found, of which 16 were relevant. All studies were observational in nature. To date, all medical mentoring applications utilizing the World Wide Web have enjoyed some success limited by Web 1.0 and 2.0 technologies. With the evolution of the WWW through 1.0, 2.0 and 3.0 generations, the potential for meaningful tele- and distance mentoring has greatly improved. Some engagement has been made with these technological advancements, however further work is required to fully realize the potential of these technologies. Copyright © 2012 Association of Program Directors in Surgery. Published by Elsevier Inc. All rights reserved.

  16. Relations between decision indicators for implementing technology in healthcare logistics – a bed logistics case study

    DEFF Research Database (Denmark)

    Feibert, Diana Cordes; Jacobsen, Peter

    2015-01-01

    The cost of healthcare is rising and reforms have been introduced across Europe to address the cost issue in healthcare. There is potential to improve logistical processes within healthcare to save costs and at the same time provide services that support high quality patient care. Re......-designing processes and implementing technology can improve the efficiency of processes and reduce costs. A relations diagram has been developed that identifies the effects between the constructs Logistics, Technology, Procedure and Structure. Knowledge about how these constructs affect each other is important when...

  17. Synthesis of Evolving Cells for Reconfigurable Manufacturing Systems

    Science.gov (United States)

    Padayachee, J.; Bright, G.

    2014-07-01

    The concept of Reconfigurable Manufacturing Systems (RMSs) was formulated due to the global necessity for production systems that are able to economically evolve according to changes in markets and products. Technologies and design methods are under development to enable RMSs to exhibit transformable system layouts, reconfigurable processes, cells and machines. Existing factory design methods and software have not yet advanced to include reconfigurable manufacturing concepts. This paper presents the underlying group technology framework for the design of manufacturing cells that are able to evolve according to a changing product mix by mechanisms of reconfiguration. The framework is based on a Norton- Bass forecast and time variant BOM models. An adaptation of legacy group technology methods is presented for the synthesis of evolving cells and two optimization problems are presented within this context.

  18. Perception and significance of an assistive technology intervention - the perspectives of relatives of persons with dementia.

    Science.gov (United States)

    Alwin, Jenny; Persson, Jan; Krevers, Barbro

    2013-08-01

    The aim of this study was to examine relatives' perception of an assistive technology intervention aimed at persons with dementia (PwDs) and their relatives, and to examine whether, and how, experiences of the intervention process differed between relatives valuing the intervention to be of high, and relatives perceiving it to be of low significance. A total of 47 relatives of PwDs within the Swedish Technology and Dementia project were interviewed telephonically using a modified version of the Patient perspective on Care and Rehabilitation process instrument. A total of 46 participants were divided into two groups depending on whether they valued the intervention to be of great significance (GS group; N = 33) or of some/no significance (SNS group; N = 13). Several aspects of the intervention were perceived as highly important, e.g. being shown consideration and respect, and having somewhere to turn. The results indicate that relatives in the GS group perceived certain aspects of the intervention process as highly fulfilled to a larger extent than did relatives in the SNS group. This study illustrates how process evaluations can be used to increase the understanding and to identify improvement aspects of interventions. Process evaluation is a good method for understanding how interventions can be improved - a keystone for quality work. Based on relatives' ratings, a high fulfilment of the AT intervention process was associated with the perception of a significant outcome of the intervention.

  19. Robustness promotes evolvability of thermotolerance in an RNA virus

    Directory of Open Access Journals (Sweden)

    Turner Paul E

    2008-08-01

    Full Text Available Abstract Background The ability for an evolving population to adapt to a novel environment is achieved through a balance of robustness and evolvability. Robustness is the invariance of phenotype in the face of perturbation and evolvability is the capacity to adapt in response to selection. Genetic robustness has been posited, depending on the underlying mechanism, to either decrease the efficacy of selection, or increase the possibility of future adaptation. However, the true effect of genetic robustness on evolvability in biological systems remains uncertain. Results Here we demonstrate that genetic robustness increases evolvability of thermotolerance in laboratory populations of the RNA virus φ6. We observed that populations founded by robust clones evolved greater resistance to heat shock, relative to populations founded by brittle (less-robust clones. Thus, we provide empirical evidence for the idea that robustness can promote evolvability in this environment, and further suggest that evolvability can arise indirectly via selection for robustness, rather than through direct selective action. Conclusion Our data imply that greater tolerance of mutational change is associated with virus adaptability in a new niche, a finding generally relevant to evolutionary biology, and informative for elucidating how viruses might evolve to emerge in new habitats and/or overcome novel therapies.

  20. Thermal and evolved gas analyzer

    Science.gov (United States)

    Williams, M. S.; Boynton, W. V.; James, R. L.; Verts, W. T.; Bailey, S. H.; Hamara, D. K.

    1998-01-01

    The Thermal and Evolved Gas Analyzer (TEGA) instrument will perform calorimetry and evolved gas analysis on soil samples collected from the Martian surface. TEGA is one of three instruments, along with a robotic arm, that form the Mars Volatile and Climate Survey (MVACS) payload. The other instruments are a stereo surface imager, built by Peter Smith of the University of Arizona and a meteorological station, built by JPL. The MVACS lander will investigate a Martian landing site at approximately 70 deg south latitude. Launch will take place from Kennedy Space Center in January, 1999. The TEGA project started in February, 1996. In the intervening 24 months, a flight instrument concept has been designed, prototyped, built as an engineering model and flight model, and tested. The instrument performs laboratory-quality differential-scanning calorimetry (DSC) over the temperature range of Mars ambient to 1400K. Low-temperature volatiles (water and carbon dioxide ices) and the carbonates will be analyzed in this temperature range. Carbonates melt and evolve carbon dioxide at temperatures above 600 C. Evolved oxygen (down to a concentration of 1 ppm) is detected, and C02 and water vapor and the isotopic variations of C02 and water vapor are detected and their concentrations measured. The isotopic composition provides important tests of the theory of solar system formation.

  1. Evolving sensitivity balances Boolean Networks.

    Directory of Open Access Journals (Sweden)

    Jamie X Luo

    Full Text Available We investigate the sensitivity of Boolean Networks (BNs to mutations. We are interested in Boolean Networks as a model of Gene Regulatory Networks (GRNs. We adopt Ribeiro and Kauffman's Ergodic Set and use it to study the long term dynamics of a BN. We define the sensitivity of a BN to be the mean change in its Ergodic Set structure under all possible loss of interaction mutations. In silico experiments were used to selectively evolve BNs for sensitivity to losing interactions. We find that maximum sensitivity was often achievable and resulted in the BNs becoming topologically balanced, i.e. they evolve towards network structures in which they have a similar number of inhibitory and excitatory interactions. In terms of the dynamics, the dominant sensitivity strategy that evolved was to build BNs with Ergodic Sets dominated by a single long limit cycle which is easily destabilised by mutations. We discuss the relevance of our findings in the context of Stem Cell Differentiation and propose a relationship between pluripotent stem cells and our evolved sensitive networks.

  2. Evolving Objects for Software Engineering

    Institute of Scientific and Technical Information of China (English)

    2001-01-01

    This paper is concerned with evolving objects method for softwaredesign that can adapt to the changing environments and requirements automatically. We presen t system architecture with objects library, where there are objects based on dom ain ontologies. We define some genetic operators for objects, and discuss how to apply these genetic operators on objects to get new objects, which can satisfy new requirements.

  3. [Health-related scientific and technological capabilities and university-industry research collaboration].

    Science.gov (United States)

    Britto, Jorge; Vargas, Marco Antônio; Gadelha, Carlos Augusto Grabois; Costa, Laís Silveira

    2012-12-01

    To examine recent developments in health-related scientific capabilities, the impact of lines of incentives on reducing regional scientific imbalances, and university-industry research collaboration in Brazil. Data were obtained from the Conselho Nacional de Desenvolvimento Científico e Tecnológico (Brazilian National Council for Scientific and Technological Development) databases for the years 2000 to 2010. There were assessed indicators of resource mobilization, research network structuring, and knowledge transfer between science and industry initiatives. Based on the regional distribution map of health-related scientific and technological capabilities there were identified patterns of scientific capabilities and science-industry collaboration. There was relative spatial deconcentration of health research groups and more than 6% of them worked in six areas of knowledge areas: medicine, collective health, dentistry, veterinary medicine, ecology and physical education. Lines of incentives that were adopted from 2000 to 2009 contributed to reducing regional scientific imbalances and improving preexisting capabilities or, alternatively, encouraging spatial decentralization of these capabilities. Health-related scientific and technological capabilities remain highly spatially concentrated in Brazil and incentive policies have contributed to reduce to some extent these imbalances.

  4. US/Japan workshop on mitigation and adaptation technologies related to global climate change

    Energy Technology Data Exchange (ETDEWEB)

    Bernthal, F.M.

    1993-12-31

    It is a great pleasure for me to have the honor of delivering the keynote address for this important gathering, an honor enhanced further because of the many activities and historic relationships represented by this workshop. First of all, it represents the spirit of continuing cooperation and good relations between the United States and Japan. With the aid of the framework provided by the U.S./Japan Science and Technology Agreement, our two nations can come together to address a problem that has no national boundaries {hor_ellipsis} and we can think about solutions of potential benefit to all citizens of the global community. This workshop also symbolizes the spirit of cooperation so characteristic of the conduct of research in science and technology -- cooperation between us as individual scientists and engineers, between the various institutions we represent, and across our diverse disciplines. This workshop is only the second of its kind. The first US/Japan Workshop on global climate change was held last year in Japan. That workshop focused on cooperative scientific research in the United States and Japan. Out of it came a general agreement to continue collaborative work and to extend cooperation into the area of global change-related technologies, in particular those technologies that hold promise for mitigation and adaptation.

  5. Comparative Analysis of Postmodern Design for Information Technology in Education in Relation to Modernism

    Directory of Open Access Journals (Sweden)

    Saeid Zarghami Hamrah

    2012-01-01

    Full Text Available Problem statement: The purpose of present study is a comparative analysis of the philosophical bases of postmodernism in relation to modernism and suggesting the necessities of each base in the designing information technology in education. Approach: The research method for the present study was comparative analysis. Results: The first base was rejection of objective view toward the universe and accepting the “pre-objective universe”. In this regard, it was suggested that information technology should be considered in relation to and as a component of life. The second base was doing away with totality. The necessity of this base was in the rejection of universal approaches and designing for specific situations. The third base was uncertainty. Regarding this base, it was suggested that the educational software provide a text in which the learner confront subjects for questioning and interpreting. The forth base was focusing on the complexities of the phenomena. In this ground, it was especially necessary for the design to be integrational. Conclusion/Recommendations: It seems that postmodernism view has been able to provide the possibility of recreating information technology in education through going beyond the basic assumptions of modernism. At last and in order to escape the metanarrative view toward postmodern ideas, we cannot regard the recommended solutions by postmodernists as the definite, final and general solution for educational issues of present and past times. But, we can look at them for further illumination of technological education condition of the present time.

  6. Science and technology related global problems: An international survey of science educators

    Science.gov (United States)

    Bybee, Rodger W.; Mau, Teri

    This survey evaluated one aspect of the Science-Technology-Society theme, namely, the teaching of global problems related to science and technology. The survey was conducted during spring 1984. Two hundred sixty-two science educators representing 41 countries completed the survey. Response was 80%. Findings included a ranking of twelve global problems (the top six were: World Hunger and Food Resources, Population Growth, Air Quality and Atmosphere, Water Resources, War Technology, and Human Health and Disease). Science educators generally indicated the following: the science and technology related global problems would be worse by the year 2000; they were slightly or moderately knowledgeable about the problems; print, audio-visual media, and personal experiences were their primary sources of information; it is important to study global problems in schools; emphasis on global problems should increase with age/grade level; an integrated approach should be used to teach about global problems; courses including global problems should be required of all students; most countries are in the early stages of developing programs including global problems; there is a clear trend toward S-T-S; there is public support for including global problems; and, the most significant limitations to implementation of the S-T-S theme (in order of significance) are political, personnel, social, psychological, economic, pedagogical, and physical. Implications for research and development in science education are discussed.

  7. EPA-developed, patented technologies related to miscellaneous areas of environmental experties and invention that are available for licensing

    Science.gov (United States)

    Under the Federal Technology Transfer Act (FTTA), Federal Agencies can patent inventions developed during the course of research. These technologies can then be licensed to businesses or individuals for further development and sale in the marketplace. These technologies relate to ecological research, human health, and manufacturing.

  8. Technology-Related Research in Academy of Human Resource Development (AHRD) Publications: A Review between 2000 and 2004

    Science.gov (United States)

    Githens, Rod P.; Dirani, Khalil; Gitonga, Jacqueline; Teng, Ya-Ting; Benson, Angela D.

    2006-01-01

    The growth of technology has influenced human resource development (HRD) practitioners to embrace technology for both training and non-training interventions. This study examined technology-related articles in Academy of Human Resource Development (AHRD) publications in order to understand what these articles address and the future needs of…

  9. Cultural repertoires and food-related household technology within colonia households under conditions of material hardship

    Directory of Open Access Journals (Sweden)

    Dean Wesley R

    2012-05-01

    Full Text Available Abstract Introduction Mexican-origin women in the U.S. living in colonias (new-destination Mexican-immigrant communities along the Texas-Mexico border suffer from a high incidence of food insecurity and diet-related chronic disease. Understanding environmental factors that influence food-related behaviors among this population will be important to improving the well-being of colonia households. This article focuses on cultural repertoires that enable food choice and the everyday uses of technology in food-related practice by Mexican-immigrant women in colonia households under conditions of material hardship. Findings are presented within a conceptual framework informed by concepts drawn from sociological accounts of technology, food choice, culture, and material hardship. Methods Field notes were provided by teams of promotora-researchers (indigenous community health workers and public-health professionals trained as participant observers. They conducted observations on three separate occasions (two half-days during the week and one weekend day within eight family residences located in colonias near the towns of Alton and San Carlos, Texas. English observations were coded inductively and early observations stressed the importance of technology and material hardship in food-related behavior. These observations were further explored and coded using the qualitative data package Atlas.ti. Results Technology included kitchen implements used in standard and adapted configurations and household infrastructure. Residents employed tools across a range of food-related activities identified as forms of food acquisition, storage, preparation, serving, feeding and eating, cleaning, and waste processing. Material hardships included the quality, quantity, acceptability, and uncertainty dimensions of food insecurity, and insufficient consumption of housing, clothing and medical care. Cultural repertoires for coping with material hardship included reliance on

  10. The use of technology in relationship management: a public relations perspective.

    OpenAIRE

    2008-01-01

    The statement that the stable and developed world known to us no longer exists seems to be particularly relevant to the way in which organisations conduct their business and reposition themselves in the communication age. Organisations, as the context within which public relations functions, are threatened by increased competition and changes in key elements of market relationships as a result of global information technology developments and the mobility of organisations and people. The emer...

  11. The use of technology in relationship management: a public relations perspective.

    OpenAIRE

    2008-01-01

    The statement that the stable and developed world known to us no longer exists seems to be particularly relevant to the way in which organisations conduct their business and reposition themselves in the communication age. Organisations, as the context within which public relations functions, are threatened by increased competition and changes in key elements of market relationships as a result of global information technology developments and the mobility of organisations and people. The emer...

  12. FARMERS' TECHNOLOGY, ECONOMIC PERFORMANCE AND RELATIVE ECONOMIC EFFICIENCY OF COUNTRY BEAN GROWERS

    OpenAIRE

    Islam, S.M. Fakhrul; Karim, Md Rezaul

    1997-01-01

    This paper examined farmers' country bean production technology and proposed an econometric model for estimating the normalized profit distribution function using a Three Staged Generalized Method of Moment procedure. The advantage of the model is that it used Cobb-Douglas form of profit function which is linear in logarithm. The second moment function of profit can be used for measuring risk involved in input use under uncertainty. Furthermore, the results could be used for testing relative ...

  13. Extension and Prerequisite: An Algorithm to Enable Relations Between Responses in Chatbot Technology

    OpenAIRE

    2010-01-01

    Problem statement: Artificial intelligence chatbot is a technology that makes interactions between man and machines using natural language possible. From literature, we found out that in general, chatbot are functions like a typical search engine. Although chatbot just produced only one output instead of multiple outputs/results, the basic process flow is the same where each time an input is entered, the new search will be done. Nothing related to previous output. This research is focused on ...

  14. Case studies of energy information systems and related technology: Operational practices, costs, and benefits

    Energy Technology Data Exchange (ETDEWEB)

    Motegi, Naoya; Piette, Mary Ann; Kinney, Satkartar; Dewey, Jim

    2003-09-02

    Energy Information Systems (EIS), which can monitor and analyze building energy consumption and related data throughout the Internet, have been increasing in use over the last decade. Though EIS developers describe the capabilities, costs, and benefits of EIS, many of these descriptions are idealized and often insufficient for potential users to evaluate cost, benefit and operational usefulness. LBNL has conducted a series of case studies of existing EIS and related technology installations. This study explored the following questions: (1) How is the EIS used in day-to-day operation? (2) What are the costs and benefits of an EIS? (3) Where do the energy savings come from? This paper reviews the process of these technologies from installation through energy management practice. The study is based on interviews with operators and energy managers who use EIS. Analysis of energy data trended by EIS and utility bills was also conducted to measure the benefit. This paper explores common uses and findings to identify energy savings attributable to EIS, and discusses non-energy benefits as well. This paper also addresses technologies related to EIS that have been demonstrated and evaluated by LBNL.

  15. Literacy disparities in patient access and health-related use of Internet and mobile technologies.

    Science.gov (United States)

    Bailey, Stacy C; O'Conor, Rachel; Bojarski, Elizabeth A; Mullen, Rebecca; Patzer, Rachel E; Vicencio, Daniel; Jacobson, Kara L; Parker, Ruth M; Wolf, Michael S

    2015-12-01

    Age and race-related disparities in technology use have been well documented, but less is known about how health literacy influences technology access and use. To assess the association between patients' literacy skills and mobile phone ownership, use of text messaging, Internet access, and use of the Internet for health-related purposes. A secondary analysis utilizing data from 1077 primary care patients enrolled in two, multisite studies from 2011-2013. Patients were administered an in-person, structured interview. Patients with adequate health literacy were more likely to own a mobile phone or smartphone in comparison with patients having marginal or low literacy (mobile phone ownership: 96.8 vs. 95.2 vs. 90.1%, respectively, P text messaging (78.6 vs. 75.2 vs. 53.1%, P literacy-related disparities in technology access and use are widespread, with lower literate patients being less likely to own smartphones or to access and use the Internet, particularly for health reasons. Future interventions should consider these disparities and ensure that health promotion activities do not further exacerbate disparities. © 2014 John Wiley & Sons Ltd.

  16. Improved Evolvability in Genetic Programming with Polyandry

    Directory of Open Access Journals (Sweden)

    Anisa Waganda Ragalo

    2013-12-01

    arrive at global optimum solution than the canonical GP. We also conduct experiments to compare Polyandry with the analogous nature-inspired modification to canonical GP, Brood Recombination. The adoption of Brood Recombination in order to improve evolvability is ubiquitous in GP literature. Our results demonstrate that Polyandry consistently exhibits better evolvability than Brood Recombination, due to a more explorative nature of the algorithm in both structural and fitness space. As a result, although the two algorithms exhibit similar success rates, the former consistently discovers global optimum GP solutions significantly faster than the latter. The key advantage of Polyandry over Brood Recombination is therefore faster solution discovery. As a consequence Polyandry consistently requires less computational effort to arrive at the global optimum solution compared to Brood Recombination. Further, we establish that the computational effort exerted by Polyandry is competitively low, relative to other Evolutionary Algorithm (EA methodologies in literature. We conclude that Polyandry is a better alternative to both the canonical GP as well as Brood Recombination with regards to the achievement and maintenance of evolvability.

  17. Relative performance analysis of IR FPA technologies from the perspective of system level performance

    Science.gov (United States)

    Haran, Terence L.; James, J. Christopher; Cincotta, Tomas E.

    2017-08-01

    The majority of high performance infrared systems today utilize FPAs composed of intrinsic direct bandgap semiconductor photon detectors such as MCT or InSb. Quantum well detector technologies such as QWIPs, QDIPs, and SLS photodetectors are potentially lower cost alternatives to MCT and InSb, but the relative performance of these technologies has not been sufficiently high to allow widespread adoption outside of a handful of applications. While detectors are often evaluated using figures of merit such as NETD or D∗, these metrics, which include many underlying aspects such as spectral quantum efficiency, dark current, well size, MTF, and array response uniformity, may be far removed from the performance metrics used to judge performance of a system in an operationally relevant scenario. True comparisons of performance for various detector technologies from the perspective of end-to-end system performance have rarely been conducted, especially considering the rapid progress of the newer quantum well technologies. System level models such as the US Army's Night Vision Integrated Performance Model (NV-IPM) can calculate image contrast and spatial frequency content using data from the target/background, intervening atmosphere, and system components. This paper includes results from a performance parameter sensitivity analysis using NV-IPM to determine the relative importance of various FPA performance parameters to the overall performance of a long range imaging system. Parameters included are: QE, dark current density, quantum well capacity, downstream readout noise, well fill, image frame rate, frame averaging, and residual fixed pattern noise. The state-of-the art for XBn, QWIP, and SLS detector technologies operating in the MWIR and LWIR bands will be surveyed to assess performance of quantum structures compared to MCT and InSb. The intent is to provide a comprehensive assessment of quantum detector performance and to identify areas where increased research

  18. Mandelbrot Law of Evolving Networks

    Institute of Scientific and Technical Information of China (English)

    REN Xue-Zao; YANG Zi-Mo; WANG Bing-Hong; ZHOU Tao

    2012-01-01

    We show that the degree distribution of a growing network with linear preferential attachment approximately follows the Mandelbrot law,and propose an analytical method based on a recursive formula that can be used to obtain a more accurate expression of the shifting coefficient.Simulations demonstrate the advantages of our method. This work provides a possible mechanism leading to the Mandelbrot law of evolving networks,and refines the mainstream analytical methods for the shifting coefficient.

  19. Using Active Learning to Identify Health Information Technology Related Patient Safety Events.

    Science.gov (United States)

    Fong, Allan; Howe, Jessica L; Adams, Katharine T; Ratwani, Raj M

    2017-01-18

    The widespread adoption of health information technology (HIT) has led to new patient safety hazards that are often difficult to identify. Patient safety event reports, which are self-reported descriptions of safety hazards, provide one view of potential HIT-related safety events. However, identifying HIT-related reports can be challenging as they are often categorized under other more predominate clinical categories. This challenge of identifying HIT-related reports is exacerbated by the increasing number and complexity of reports which pose challenges to human annotators that must manually review reports. In this paper, we apply active learning techniques to support classification of patient safety event reports as HIT-related. We evaluated different strategies and demonstrated a 30% increase in average precision of a confirmatory sampling strategy over a baseline no active learning approach after 10 learning iterations.

  20. Age-related regulation of genes: slow homeostatic changes and age-dimension technology

    Science.gov (United States)

    Kurachi, Kotoku; Zhang, Kezhong; Huo, Jeffrey; Ameri, Afshin; Kuwahara, Mitsuhiro; Fontaine, Jean-Marc; Yamamoto, Kei; Kurachi, Sumiko

    2002-11-01

    Through systematic studies of pro- and anti-blood coagulation factors, we have determined molecular mechanisms involving two genetic elements, age-related stability element (ASE), GAGGAAG and age-related increase element (AIE), a unique stretch of dinucleotide repeats (AIE). ASE and AIE are essential for age-related patterns of stable and increased gene expression patterns, respectively. Such age-related gene regulatory mechanisms are also critical for explaining homeostasis in various physiological reactions as well as slow homeostatic changes in them. The age-related increase expression of the human factor IX (hFIX) gene requires the presence of both ASE and AIE, which apparently function additively. The anti-coagulant factor protein C (hPC) gene uses an ASE (CAGGAG) to produce age-related stable expression. Both ASE sequences (G/CAGAAG) share consensus sequence of the transcriptional factor PEA-3 element. No other similar sequences, including another PEA-3 consensus sequence, GAGGATG, function in conferring age-related gene regulation. The age-regulatory mechanisms involving ASE and AIE apparently function universally with different genes and across different animal species. These findings have led us to develop a new field of research and applications, which we named “age-dimension technology (ADT)”. ADT has exciting potential for modifying age-related expression of genes as well as associated physiological processes, and developing novel, more effective prophylaxis or treatments for age-related diseases.

  1. A Calculus of Evolving Objects

    Directory of Open Access Journals (Sweden)

    M. Dezani-Ciancaglini

    2008-01-01

    Full Text Available The demands of developing modern, highly dynamic applications have led to an increasing interest in dynamic programming languages and mechanisms. Not only must applications evolve over time, but the object models themselves may need to be adapted to the requirements of different run-time contexts. Class-based models and prototype-based models, for example, may need to co-exist to meet the demands of dynamically evolving applications. Multi-dimensional dispatch, fine-grained and dynamic software composition, and run-time evolution of behaviour are further examples of diverse mechanisms which may need to co-exist in a dynamically evolving run-time environment. How can we model the semantics of these highly dynamic features, yet still offer some reasonable safety guarantees?To this end we present an original calculus in which objects can adapt their behaviour at run-time. Both objects and environments are represented by first-class mappings between variables and values. Message sends are dynamically resolved to method calls. Variables may be dynamically bound, making it possible to model a variety of dynamic mechanisms within the same calculus. Despite the highly dynamic nature of the calculus, safety properties are assured by a type assignment system.

  2. Ranking in evolving complex networks

    Science.gov (United States)

    Liao, Hao; Mariani, Manuel Sebastian; Medo, Matúš; Zhang, Yi-Cheng; Zhou, Ming-Yang

    2017-05-01

    Complex networks have emerged as a simple yet powerful framework to represent and analyze a wide range of complex systems. The problem of ranking the nodes and the edges in complex networks is critical for a broad range of real-world problems because it affects how we access online information and products, how success and talent are evaluated in human activities, and how scarce resources are allocated by companies and policymakers, among others. This calls for a deep understanding of how existing ranking algorithms perform, and which are their possible biases that may impair their effectiveness. Many popular ranking algorithms (such as Google's PageRank) are static in nature and, as a consequence, they exhibit important shortcomings when applied to real networks that rapidly evolve in time. At the same time, recent advances in the understanding and modeling of evolving networks have enabled the development of a wide and diverse range of ranking algorithms that take the temporal dimension into account. The aim of this review is to survey the existing ranking algorithms, both static and time-aware, and their applications to evolving networks. We emphasize both the impact of network evolution on well-established static algorithms and the benefits from including the temporal dimension for tasks such as prediction of network traffic, prediction of future links, and identification of significant nodes.

  3. A Viewpoint on Wearable Technology-Enabled Measurement of Wellbeing and Health-Related Quality of Life in Parkinson’s Disease

    Science.gov (United States)

    van Uem, Janet M.T.; Isaacs, Tom; Lewin, Alan; Bresolin, Eros; Salkovic, Dina; Espay, Alberto J.; Matthews, Helen; Maetzler, Walter

    2016-01-01

    In this viewpoint, we discuss how several aspects of Parkinson’s disease (PD) – known to be correlated with wellbeing and health-related quality of life–could be measured using wearable devices (‘wearables’). Moreover, three people with PD (PwP) having exhaustive experience with using such devices write about their personal understanding of wellbeing and health-related quality of life, building a bridge between the true needs defined by PwP and the available methods of data collection. Rapidly evolving new technologies develop wearables that probe function and behaviour in domestic environments of people with chronic conditions such as PD and have the potential to serve their needs. Gathered data can serve to inform patient-driven management changes, enabling greater control by PwP and enhancing likelihood of improvements in wellbeing and health-related quality of life. Data can also be used to quantify wellbeing and health-related quality of life. Additionally these techniques can uncover novel more sensitive and more ecologically valid disease-related endpoints. Active involvement of PwP in data collection and interpretation stands to provide personally and clinically meaningful endpoints and milestones to inform advances in research and relevance of translational efforts in PD. PMID:27003779

  4. Evolving Systems and Adaptive Key Component Control

    Science.gov (United States)

    Frost, Susan A.; Balas, Mark J.

    2009-01-01

    We propose a new framework called Evolving Systems to describe the self-assembly, or autonomous assembly, of actively controlled dynamical subsystems into an Evolved System with a higher purpose. An introduction to Evolving Systems and exploration of the essential topics of the control and stability properties of Evolving Systems is provided. This chapter defines a framework for Evolving Systems, develops theory and control solutions for fundamental characteristics of Evolving Systems, and provides illustrative examples of Evolving Systems and their control with adaptive key component controllers.

  5. Developing Collective Learning Extension for Rapidly Evolving Information System Courses

    Science.gov (United States)

    Agarwal, Nitin; Ahmed, Faysal

    2017-01-01

    Due to rapidly evolving Information System (IS) technologies, instructors find themselves stuck in the constant game of catching up. On the same hand students find their skills obsolete almost as soon as they graduate. As part of IS curriculum and education, we need to emphasize more on teaching the students "how to learn" while keeping…

  6. Optimists' Creed: Brave New Cyberlearning, Evolving Utopias (Circa 2041)

    Science.gov (United States)

    Burleson, Winslow; Lewis, Armanda

    2016-01-01

    This essay imagines the role that artificial intelligence innovations play in the integrated living, learning and research environments of 2041. Here, in 2041, in the context of increasingly complex wicked challenges, whose solutions by their very nature continue to evade even the most capable experts, society and technology have co-evolved to…

  7. Developing Collective Learning Extension for Rapidly Evolving Information System Courses

    Science.gov (United States)

    Agarwal, Nitin; Ahmed, Faysal

    2017-01-01

    Due to rapidly evolving Information System (IS) technologies, instructors find themselves stuck in the constant game of catching up. On the same hand students find their skills obsolete almost as soon as they graduate. As part of IS curriculum and education, we need to emphasize more on teaching the students "how to learn" while keeping…

  8. The Evolving Status of Photojournalism Education. ERIC Digest.

    Science.gov (United States)

    Cookman, Claude

    Noting that new technologies are resulting in extensive changes in the field of photojournalism, both as it is practiced and taught, this Digest reviews this rapidly evolving field of education and professional practice. It discusses what digital photography is; the history of digital photography; how digital photography has changed…

  9. THE J STRUCTURE IN ECONOMIC EVOLVING PROCESS

    Institute of Scientific and Technical Information of China (English)

    FANG Fukang; CHEN Qinghua

    2003-01-01

    The economic evolution exhibits complexity. Behind the variable and fiuctuant economic data there exists basic characters and rules. One basic structure in economic evolving process called as "J" structure is studied by us. This kind of structure exists in a wide area, such as economic growth, technology innovation, international trade, education, human capital, ecology and environment etc. From the view of economic evolution, J structure has the character that system should suffer the pressure of initial investment with profit decreasing but get larger return afterwards. It is a kind of adaptation in complex economic systems; it reflects the adaptive and reformative ability of the system under the surrounding change. We illustrate the J structure by discussing economic growth. Based on a two-dimension dynamic system the geometric character and mechanism of J structure are studied, also the phase graphs with its condition are given. Also some further works are discussed.

  10. Strength dynamics of weighted evolving networks

    Institute of Scientific and Technical Information of China (English)

    Wu Jian-Jun; Gao Zi-You; Sun Hui-Jun

    2007-01-01

    In this paper, a simple model for the strength dynamics of weighted evolving networks is proposed to characterize the weighted networks. By considering the congestion effects, this approach can yield power law strength distribution appeared on the many real weighted networks, such as traffic networks, internet networks. Besides, the relationship between strength and degree is given. Numerical simulations indicate that the strength distribution is strongly related to the strength dynamics decline. The model also provides us with a better description of the real weighted networks.

  11. The 'E' factor -- evolving endodontics.

    Science.gov (United States)

    Hunter, M J

    2013-03-01

    Endodontics is a constantly developing field, with new instruments, preparation techniques and sealants competing with trusted and traditional approaches to tooth restoration. Thus general dental practitioners must question and understand the significance of these developments before adopting new practices. In view of this, the aim of this article, and the associated presentation at the 2013 British Dental Conference & Exhibition, is to provide an overview of endodontic methods and constantly evolving best practice. The presentation will review current preparation techniques, comparing rotary versus reciprocation, and question current trends in restoration of the endodontically treated tooth.

  12. Synchronization in an evolving network

    CERN Document Server

    Singh, R K

    2015-01-01

    In this work we study the dynamics of Kuramoto oscillators on a stochastically evolving network whose evolution is governed by the phases of the individual oscillators and degree distribution. Synchronization is achieved after a threshold connection density is reached. This cumulative effect of topology and dynamics has many real-world implications, where synchronization in a system emerges as a collective property of its components in a self-organizing manner. The synchronous state remains stable as long as the connection density remains above the threshold value, with additional links providing resilience against network fluctuations.

  13. Constantly evolving safety assessment protocols for GM foods.

    Science.gov (United States)

    Sesikeran, B; Vasanthi, Siruguri

    2008-01-01

    he introduction of GM foods has led to the evolution of a food safety assessment paradigm that establishes safety of the GM food relative to its conventional counterpart. The GM foods currently approved and marketed in several countries have undergone extensive safety testing under a structured safety assessment framework evolved by international organizations like FAO, WHO, Codex and OECD. The major elements of safety assessment include molecular characterization of inserted genes and stability of the trait, toxicity and allergenicity potential of the expressed substances, compositional analysis, potential for gene transfer to gut microflora and unintentional effects of the genetic modification. As more number and type of food crops are being brought under the genetic modification regime, the adequacy of existing safety assessment protocols for establishing safety of these foods has been questioned. Such crops comprise GM crops with higher agronomic vigour, nutritional or health benefit/ by modification of plant metabolic pathways and those expressing bioactive substances and pharmaceuticals. The safety assessment challenges of these foods are the potential of the methods to detect unintentional effects with higher sensitivity and rigor. Development of databases on food compositions, toxicants and allergens is currently seen as an important aid to development of safety protocols. With the changing global trends in genetic modification technology future challenge would be to develop GM crops with minimum amount of inserted foreign DNA so as to reduce the burden of complex safety assessments while ensuring safety and utility of the technology.

  14. Algorithm of automatic generation of technology process and process relations of automotive wiring harnesses

    Institute of Scientific and Technical Information of China (English)

    XU Benzhu; ZHU Jiman; LIU Xiaoping

    2012-01-01

    Identifying each process and their constraint relations from the complex wiring harness drawings quickly and accurately is the basis for formulating process routes. According to the knowledge of automotive wiring harness and the characteristics of wiring harness components, we established the model of wiring harness graph. Then we research the algorithm of identifying technology processes automatically, finally we describe the relationships between processes by introducing the constraint matrix, which is in or- der to lay a good foundation for harness process planning and production scheduling.

  15. An overview of aerodynamic research and technology requirements as related to some military needs

    Science.gov (United States)

    Spearman, M. L.

    1983-01-01

    Based on unclassified sources, a general review is presented of some military needs in light of the perceived U.S.S.R. doctrine, force balances, inventory growth, inventory items, and current actions. The Soviets appear to be attempting to increase their sphere of influence throught economic and political control as well as possible military control of land, sea, air, and space. To offset such possibilities, certain areas of deterrent needs that the Western World might pursue are suggested. Particular emphasis is placed on the role of research and technology related to aerospace systems as part of the deterrent needs.

  16. Epigenetic risks related to assisted reproductive technologies: epigenetics, imprinting, ART and icebergs?

    Science.gov (United States)

    Maher, Eamonn R; Afnan, Masoud; Barratt, Christopher L

    2003-12-01

    Recently, a series of case reports and small studies has suggested that births involving assisted reproductive technology (ART) may have an increased risk of imprinting disorders such as Beckwith-Wiedemann syndrome and Angelman syndrome. Herein, the significance and implications of these findings are discussed. It is speculated that, although such imprinting disorders may be shown to be only rare complications of ART, epigenetic errors might account for a much wider spectrum of ART-related complications than is recognized currently. Addressing these questions should be a priority for research on cohorts of ART children.

  17. Relational technologies as instruments of care in the Family Health Strategy.

    Science.gov (United States)

    Abreu, Tatiana Fernandes Kerches de; Amendola, Fernanda; Trovo, Monica Martins

    2017-01-01

    This article aims to identify the relational technologies used by Family Health Strategy nurses in their daily work when treating patients. Descriptive and cross-sectional study with qualitative approach; conducted between May and July 2015, in three Basic Health Units of the Southern Region of the Municipality of São Paulo, with 19 nurses of the Family Health Strategy. Data were collected through a semi-structured interview, and the speeches were fully transcribed and analyzed according to the technique of content analysis. From the speeches of the participants, three categories emerged, showing the unawareness of the concept, but the valorization of its use; which are the relational technologies used by the participating nurses (communication, listening, empathy and welcoming reception), as well as the report of barriers to the use of relational technologies. Although the nurses value the use of relational technologies, the participants denoted unawareness of the nomenclature and its associated concepts, suggesting superficiality in the understanding and use of these instruments in the context of care in the Family Health Strategy. Identificar as tecnologias relacionais utilizadas por enfermeiros de Estratégia Saúde da Família em seu cotidiano de trabalho no atendimento aos usuários. Estudo descritivo, transversal, com abordagem qualitativa; desenvolvido entre maio e julho de 2015, em três Unidades Básicas de Saúde da Região Sul do Município de São Paulo, com 19 enfermeiros da Estratégia Saúde da Família. Os dados foram coletados por meio de entrevista semiestruturada, e os discursos foram transcritos na íntegra, analisados segundo a técnica de análise de conteúdo. Das falas dos participantes, surgiram três categorias, que evidenciam o desconhecimento do conceito, mas valorização do uso; quais são as tecnologias relacionais utilizadas pelos enfermeiros participantes (comunicação, escuta, empatia e acolhimento), além do relato de barreiras

  18. Factors Related to Depressive Symptoms in Mothers of Technology-Dependent Children.

    Science.gov (United States)

    Toly, Valerie Boebel; Musil, Carol M

    2015-07-01

    Mothers caring for technology-dependent children at home often suffer clinically significant and unrecognized depressive symptoms. The study aim was to determine factors related to elevated depressive symptoms and provide information to target interventions that assists mothers in self-management of their mental health. Secondary data analysis from a descriptive, correlational study of 75 mothers was performed. Hierarchical multiple regression analysis results indicate that younger, unpartnered mothers with lower normalization efforts and personal resourcefulness, and less care hours, had increased depressive symptoms. The importance of personal resourcefulness and the potential for a resourcefulness training intervention to reduce depressive symptoms are discussed.

  19. Hydrogen Gas Production from Nuclear Power Plant in Relation to Hydrogen Fuel Cell Technologies Nowadays

    Science.gov (United States)

    Yusibani, Elin; Kamil, Insan; Suud, Zaki

    2010-06-01

    Recently, world has been confused by issues of energy resourcing, including fossil fuel use, global warming, and sustainable energy generation. Hydrogen may become the choice for future fuel of combustion engine. Hydrogen is an environmentally clean source of energy to end-users, particularly in transportation applications because without release of pollutants at the point of end use. Hydrogen may be produced from water using the process of electrolysis. One of the GEN-IV reactors nuclear projects (HTGRs, HTR, VHTR) is also can produce hydrogen from the process. In the present study, hydrogen gas production from nuclear power plant is reviewed in relation to commercialization of hydrogen fuel cell technologies nowadays.

  20. Combustion devices technology team - An overview and status of STME-related activities

    Science.gov (United States)

    Tucker, P. K.; Croteau-Gillespie, Margie

    1992-01-01

    The Consortium for CFD applications in propulsion technology has been formed at NASA/Marshall Space Flight Center. The combustion devices technology team is one of the three teams that constitute the Consortium. While generally aiming to advance combustion devices technology for rocket propulsion, the team's efforts for the last 1 and 1/2 years have been focused on issues relating to the Space Transportation Main Engine (STME) nozzle. The nozzle design uses hydrogen-rich turbine exhaust to cool the wall in a film/dump scheme. This method of cooling presents challenges and associated risks for the nozzle designers and the engine/vehicle integrators. Within the nozzle itself, a key concern is the ability to effectively and efficiently film cool the wall. From the National Launch System vehicle base standpoint, there are concerns with dumping combustible gases at the nozzle exit and their potential adverse effects on the base thermal environment. The Combustion Team has developed and is implementing plans to use validated CFD tools to aid in risk mitigation for both areas.

  1. Medical student attitudes toward video games and related new media technologies in medical education.

    Science.gov (United States)

    Kron, Frederick W; Gjerde, Craig L; Sen, Ananda; Fetters, Michael D

    2010-06-24

    Studies in K-12 and college students show that their learning preferences have been strongly shaped by new media technologies like video games, virtual reality environments, the Internet, and social networks. However, there is no known research on medical students' game experiences or attitudes towards new media technologies in medical education. This investigation seeks to elucidate medical student experiences and attitudes, to see whether they warrant the development of new media teaching methods in medicine. Medical students from two American universities participated. An anonymous, 30-item, cross-sectional survey addressed demographics, game play experience and attitudes on using new media technologies in medical education. Statistical analysis identified: 1) demographic characteristics; 2) differences between the two universities; 3) how video game play differs across gender, age, degree program and familiarity with computers; and 4) characteristics of students who play most frequently. 217 medical students participated. About half were female (53%). Respondents liked the idea of using technology to enhance healthcare education (98%), felt that education should make better use of new media technologies (96%), and believed that video games can have educational value (80%). A majority (77%) would use a multiplayer online healthcare simulation on their own time, provided that it helped them to accomplish an important goal. Men and women agreed that they were most inclined to use multiplayer simulations if they were fun (97%), and if they helped to develop skill in patient interactions (90%). However, there was significant gender dissonance over types of favorite games, the educational value of video games, and the desire to participate in games that realistically replicated the experience of clinical practice. Overall, medical student respondents, including many who do not play video games, held highly favorable views about the use of video games and related new

  2. Medical student attitudes toward video games and related new media technologies in medical education

    Directory of Open Access Journals (Sweden)

    Kron Frederick W

    2010-06-01

    favorable views about the use of video games and related new media technology in medical education. Significant gender differences in game play experience and attitudes may represent male video game design bias that stresses male cognitive aptitudes; medical educators hoping to create serious games that will appeal to both men and women must avoid this.

  3. Stability of Evolving Multiagent Systems.

    Science.gov (United States)

    De Wilde, P; Briscoe, G

    2011-08-01

    A multiagent system is a distributed system where the agents or nodes perform complex functions that cannot be written down in analytic form. Multiagent systems are highly connected, and the information they contain is mostly stored in the connections. When agents update their state, they take into account the state of the other agents, and they have access to those states via the connections. There is also external user-generated input into the multiagent system. As so much information is stored in the connections, agents are often memory less. This memory-less property, together with the randomness of the external input, has allowed us to model multiagent systems using Markov chains. In this paper, we look at multiagent systems that evolve, i.e., the number of agents varies according to the fitness of the individual agents. We extend our Markov chain model and define stability. This is the start of a methodology to control multiagent systems. We then build upon this to construct an entropy-based definition for the degree of instability (entropy of the limit probabilities), which we used to perform a stability analysis. We then investigated the stability of evolving agent populations through simulation and show that the results are consistent with the original definition of stability in nonevolving multiagent systems, proposed by Chli and De Wilde. This paper forms the theoretical basis for the construction of digital business ecosystems, and applications have been reported elsewhere.

  4. A Survey of LIDAR Technology and Its Use in Spacecraft Relative Navigation

    Science.gov (United States)

    Christian, John A.; Cryan, Scott P.

    2013-01-01

    This paper provides a survey of modern LIght Detection And Ranging (LIDAR) sensors from a perspective of how they can be used for spacecraft relative navigation. In addition to LIDAR technology commonly used in space applications today (e.g. scanning, flash), this paper reviews emerging LIDAR technologies gaining traction in other non-aerospace fields. The discussion will include an overview of sensor operating principles and specific pros/cons for each type of LIDAR. This paper provides a comprehensive review of LIDAR technology as applied specifically to spacecraft relative navigation. HE problem of orbital rendezvous and docking has been a consistent challenge for complex space missions since before the Gemini 8 spacecraft performed the first successful on-orbit docking of two spacecraft in 1966. Over the years, a great deal of effort has been devoted to advancing technology associated with all aspects of the rendezvous, proximity operations, and docking (RPOD) flight phase. After years of perfecting the art of crewed rendezvous with the Gemini, Apollo, and Space Shuttle programs, NASA began investigating the problem of autonomous rendezvous and docking (AR&D) to support a host of different mission applications. Some of these applications include autonomous resupply of the International Space Station (ISS), robotic servicing/refueling of existing orbital assets, and on-orbit assembly.1 The push towards a robust AR&D capability has led to an intensified interest in a number of different sensors capable of providing insight into the relative state of two spacecraft. The present work focuses on exploring the state-of-the-art in one of these sensors - LIght Detection And Ranging (LIDAR) sensors. It should be noted that the military community frequently uses the acronym LADAR (LAser Detection And Ranging) to refer to what this paper calls LIDARs. A LIDAR is an active remote sensing device that is typically used in space applications to obtain the range to one or more

  5. Evolving Complexity, Cognition, and Consciousness

    Science.gov (United States)

    Liljenström, H.

    2012-12-01

    All through the history of the universe there is an apparent tendency for increasing complexity, with the organization of matter in evermore elaborate and interactive systems. The living world in general, and the human brain in particular, provides the highest complexity known. It seems obvious that all of this complexity must be the result of physical, chemical and biological evolution, but it was only with Darwin that we began to get a scientific understanding of biological evolution. Darwinian principles are guiding in our understanding of such complex systems as the nervous system, but also for the evolution of human society and technology. Living organisms have to survive in a complex and changing environment. This implies response and adaption to environmental events and changes at several time scales. The interaction with the environment depends on the present state of the organism, as well as on previous experiences stored in its molecular and cellular structures. At a longer time scale, organisms can adapt to slow environmental changes, by storing information in the genetic material carried over from generation to generation. This phylogenetic learning is complemented by ontogenetic learning, which is adaptation at a shorter time scale, occuring in non-genetic structures. The evolution of a nervous system is a major transition in biological evolution and allows for an increasing capacity for information storage and processing, increasing chances of survival. Such neural knowledge processing, cognition, shows the same principal features as nonneural adaptive processes. Similarly, consciousness might appear, to different degrees, at different stages in evolution. Both cognition and consciousness depends critically on the organization and complexity of the organism. In this presentation, I will briefly discuss general principles for evolution of complexity, focussing on the evolution of the nervous system, which provides organisms with ever increasing

  6. Science and Technology Cooperation as an Effective Bridge for Strengthening Relations Between Russia and the US

    Science.gov (United States)

    Kislyak, Sergei

    2017-01-01

    In the conditions of spiraling tensions and curtailing of many platforms for the dialogue between Russia and the U.S. scientific cooperation could play a positive role. The history of our relations shows that joint effort by Russian and American scientists has repeatedly contributed to finding solutions in difficult situations, even during the ``cold war''. Thanks to the common efforts of the scientists of our countries hundreds of remarkable discoveries and significant achievements in such areas as physics, chemistry, space, medicine, etc. were made. Scientific community has no doubt that our bilateral scientific cooperation is in national interests of both nations. Although our joint work on a number of important issues is suspended today. The author is going to share his view with us on whether science and technology cooperation serve as an effective bridge for strengthening relations between Russia and the U.S.?

  7. Aviation Trends Related to Atmospheric Environment Safety Technologies Project Technical Challenges

    Science.gov (United States)

    Reveley, Mary S.; Withrow, Colleen A.; Barr, Lawrence C.; Evans, Joni K.; Leone, Karen M.; Jones, Sharon M.

    2014-01-01

    Current and future aviation safety trends related to the National Aeronautics and Space Administration's Atmospheric Environment Safety Technologies Project's three technical challenges (engine icing characterization and simulation capability; airframe icing simulation and engineering tool capability; and atmospheric hazard sensing and mitigation technology capability) were assessed by examining the National Transportation Safety Board (NTSB) accident database (1989 to 2008), incidents from the Federal Aviation Administration (FAA) accident/incident database (1989 to 2006), and literature from various industry and government sources. The accident and incident data were examined for events involving fixed-wing airplanes operating under Federal Aviation Regulation (FAR) Parts 121, 135, and 91 for atmospheric conditions related to airframe icing, ice-crystal engine icing, turbulence, clear air turbulence, wake vortex, lightning, and low visibility (fog, low ceiling, clouds, precipitation, and low lighting). Five future aviation safety risk areas associated with the three AEST technical challenges were identified after an exhaustive survey of a variety of sources and include: approach and landing accident reduction, icing/ice detection, loss of control in flight, super density operations, and runway safety.

  8. Shaping behaviour: How institutions evolve

    NARCIS (Netherlands)

    Woodhill, A.J.

    2008-01-01

    Any form of development and social change requires institutional innovation. Societies have become much better at technological innovation than institutional innovation. Institutional innovation requires nonlinear, complex and evolutionary processes of change. Coping with the complex crises of our

  9. The evolving landscape of banking

    NARCIS (Netherlands)

    Boot, A.W.A.; Marinč, M.

    2008-01-01

    The structure of the financial services industry is in flux. Liberalization, deregulation, and advances in information technology have changed the financial landscape dramatically. Interbank competition has heated up and banks face increasing competition from nonbanking financial institutions and th

  10. Shaping behaviour: How institutions evolve

    NARCIS (Netherlands)

    Woodhill, A.J.

    2008-01-01

    Any form of development and social change requires institutional innovation. Societies have become much better at technological innovation than institutional innovation. Institutional innovation requires nonlinear, complex and evolutionary processes of change. Coping with the complex crises of our t

  11. Evolving towards professionalism in emergency nursing in Hong Kong.

    Science.gov (United States)

    Wong, Eliza Mi-Ling; Lau, Ping Fat

    2008-01-01

    This paper aims to share with the readers about the experience of emergency nursing development and related roles in Hong Kong. The roles of emergency nurses are evolving and triggered by three major historical milestones. The three milestones consist of: (1) Transition of nursing education from hospital training to nursing degree program at universities in 1990; (2) The re-evolution after the establishment of Hospital Authority in 1993; (3) Hong Kong's return to China in 1997. These milestones have contributed immensely to the development of quality nursing education, nursing professionalism with emphasis on specialty knowledge and skill training in Accident and Emergency departments (AED) in Hong Kong. Since 1991, the emergency nursing role has been expanded and extended. Wound management remains one of the major extending roles for emergency nurses, who confine themselves to manage simple wounds. Nurse initiated tetanus immunization, intravenous access; investigations such as electrocardiogram, blood glucose, and urinalysis are well implemented in all AEDs under the governance of guidelines and protocols. Initial triage analgesic for the minor musculoskeletal injury and fever are also part of the triage care in some AEDs in Hong Kong now. To meet the demand and challenge, innovative role development such as lecturer practitioners and emergency nurse practitioners have been piloted and implemented recently. Besides the normal duty, emergency nurses also participate in the work outside the hospitals such as involvement in emergency medical teams to assist in various rescue missions or volunteer for Flight Nursing (Government Flying Services). However, the nursing shortage is another common problem faced by the Hong Kong health care body. With the help of advanced technology, better pre-graduate and specialty-training programs, Hong Kong health care strives to achieve the highest standards of quality care. Emergency nursing role development in Hong Kong is evolving

  12. Integrating Health Belief Model and Technology Acceptance Model: An Investigation of Health-Related Internet Use

    Science.gov (United States)

    2015-01-01

    Background Today, people use the Internet to satisfy health-related information and communication needs. In Malaysia, Internet use for health management has become increasingly significant due to the increase in the incidence of chronic diseases, in particular among urban women and their desire to stay healthy. Past studies adopted the Technology Acceptance Model (TAM) and Health Belief Model (HBM) independently to explain Internet use for health-related purposes. Although both the TAM and HBM have their own merits, independently they lack the ability to explain the cognition and the related mechanism in which individuals use the Internet for health purposes. Objective This study aimed to examine the influence of perceived health risk and health consciousness on health-related Internet use based on the HBM. Drawing on the TAM, it also tested the mediating effects of perceived usefulness of the Internet for health information and attitude toward Internet use for health purposes for the relationship between health-related factors, namely perceived health risk and health consciousness on health-related Internet use. Methods Data obtained for the current study were collected using purposive sampling; the sample consisted of women in Malaysia who had Internet access. The partial least squares structural equation modeling method was used to test the research hypotheses developed. Results Perceived health risk (β=.135, t 1999=2.676) and health consciousness (β=.447, t 1999=9.168) had a positive influence on health-related Internet use. Moreover, perceived usefulness of the Internet and attitude toward Internet use for health-related purposes partially mediated the influence of health consciousness on health-related Internet use (β=.025, t 1999=3.234), whereas the effect of perceived health risk on health-related Internet use was fully mediated by perceived usefulness of the Internet and attitude (β=.029, t 1999=3.609). These results suggest the central role of

  13. An Examination of the Role of Technological Tools in Relation to the Cognitive Demand of Mathematical Tasks in Secondary Classrooms

    Science.gov (United States)

    Sherman, Milan

    2011-01-01

    This study investigates the role of digital cognitive technologies in supporting students' mathematical thinking while engaging with instructional tasks. Specifically, the study sought to better understand how the use of technology is related to the cognitive demand of tasks. Data were collected in four secondary mathematics classrooms via…

  14. Exploring Transition of Large Technological Systems through Relational Data - A Study of The Danish Smart Grid Development

    DEFF Research Database (Denmark)

    Jurowetzki, Roman

    2016-01-01

    Combining elements form the Science, Technology and Society (STS) tradition with the Technological Innovation System (TIS) framework and utilising unstructured and relational data as well as novel analysis tools, this thesis explores the development of the Danish smart grid and the associated tra...... development, research funding, and the definition of standards....

  15. Evolving networks by merging cliques

    Science.gov (United States)

    Takemoto, Kazuhiro; Oosawa, Chikoo

    2005-10-01

    We propose a model for evolving networks by merging building blocks represented as complete graphs, reminiscent of modules in biological system or communities in sociology. The model shows power-law degree distributions, power-law clustering spectra, and high average clustering coefficients independent of network size. The analytical solutions indicate that a degree exponent is determined by the ratio of the number of merging nodes to that of all nodes in the blocks, demonstrating that the exponent is tunable, and are also applicable when the blocks are classical networks such as Erdös-Rényi or regular graphs. Our model becomes the same model as the Barabási-Albert model under a specific condition.

  16. Peripartum hysterectomy: an evolving picture.

    LENUS (Irish Health Repository)

    Turner, Michael J

    2012-02-01

    Peripartum hysterectomy (PH) is one of the obstetric catastrophes. Evidence is emerging that the role of PH in modern obstetrics is evolving. Improving management of postpartum hemorrhage and newer surgical techniques should decrease PH for uterine atony. Rising levels of repeat elective cesarean deliveries should decrease PH following uterine scar rupture in labor. Increasing cesarean rates, however, have led to an increase in the number of PHs for morbidly adherent placenta. In the case of uterine atony or rupture where PH is required, a subtotal PH is often sufficient. In the case of pathological placental localization involving the cervix, however, a total hysterectomy is required. Furthermore, the involvement of other pelvic structures may prospectively make the diagnosis difficult and the surgery challenging. If resources permit, PH for pathological placental localization merits a multidisciplinary approach. Despite advances in clinical practice, it is likely that peripartum hysterectomy will be more challenging for obstetricians in the future.

  17. The evolving Gleason grading system.

    Science.gov (United States)

    Chen, Ni; Zhou, Qiao

    2016-02-01

    The Gleason grading system for prostate adenocarcinoma has evolved from its original scheme established in the 1960s-1970s, to a significantly modified system after two major consensus meetings conducted by the International Society of Urologic Pathology (ISUP) in 2005 and 2014, respectively. The Gleason grading system has been incorporated into the WHO classification of prostate cancer, the AJCC/UICC staging system, and the NCCN guidelines as one of the key factors in treatment decision. Both pathologists and clinicians need to fully understand the principles and practice of this grading system. We here briefly review the historical aspects of the original scheme and the recent developments of Gleason grading system, focusing on major changes over the years that resulted in the modern Gleason grading system, which has led to a new "Grade Group" system proposed by the 2014 ISUP consensus, and adopted by the 2016 WHO classification of tumours of the prostate.

  18. Mandelbrot Law of Evolving Networks

    CERN Document Server

    Ren, Xue-Zao; Wang, Bing-Hong; Zhou, Tao

    2011-01-01

    Degree distributions of many real networks are known to follow the Mandelbrot law, which can be considered as an extension of the power law that determined by not only the power-law exponent, but also the shifting coefficient. Although the shifting coefficient highly affect the shape of distribution, it receives less attention in the literature and in fact, mainstream analytical method based on backward or forward difference will lead to considerable deviation to its value. In this article, we show that the degree distribution of a growing network with linear preferential attachment approximately follows the Mandelbrot law. We propose an analytical method based on a recursive formula that can obtain a more accurate expression of the shifting coefficient than the previous methods. Simulations demonstrate the advantages of our method. This work provides a possible mechanism leading to the Mandelbrot law of evolving networks, and refines the mainstream analytical methods for the shifting coefficient.

  19. Malaysian Teachers' Conceptions and Uses of Digital Technology in English Writing Instruction: A Multiple Case Study

    Science.gov (United States)

    Mohamed Razali, Abu Bakar

    2013-01-01

    Very little is known about how teachers' "conceptualizations" of digital technology and their "uses" of the technology evolve and relate. Yet knowing about and understanding teachers' conceptions and uses of digital technology are essential for learning how teachers integrate it effectively for student learning. By applying…

  20. Readings in technology assessment. [in relation to social impact and the law

    Science.gov (United States)

    1975-01-01

    Papers are presented which reflect research in the following areas: development of the concept of technology assessment; institutionalization of technology assessment; the interface between law and technology assessment; and assessment case studies. Case studies include hazards of the medical use of X-rays, environmental noise effects in transportation planning, genetic technology, impact of underground coal mining, and aircraft/airport noise abatement.

  1. Protozoa and metazoa relations to technological conditions of non-woven textile filters for wastewater treatment.

    Science.gov (United States)

    Spychała, Marcin; Sowińska, Aleksandra; Starzyk, Justyna; Masłowski, Adam

    2015-01-01

    The objective of this study was a preliminary identification of basic groups of micro-organisms in the cross-sectional profile of geotextile filters for septic tank effluent (STE) treatment and their relations to technological conditions. Reactors with textile filters treating wastewater were investigated on a semi-technical scale. Filters were vertically situated and STE was filtered through them under hydrostatic pressure at a wastewater surface height of 7-20 cm. Filters were made of four layers of non-woven TS 20 geotextile of 0.9 mm thickness. Various groups of organisms were observed; the most abundant group comprised free-swimming and crawling ciliates, less abundant were stalked ciliates and the least numerous were nematodes. The individual counts of all groups of micro-organisms investigated during the study were variable according to time and space. The high abundance of Opercularia, a commonly observed genus of stalked ciliates, was related to the high efficiency of wastewater treatment and dissolved oxygen concentration of about 1.0 g/m3. Numbers of free-swimming and crawling ciliates had a tendency to decrease in relation to the depth of filter cross-sectional profile. The variability in counts of particular groups of organisms could be related to the local stress conditions. No correlation between identified organism count and total mass concentration in the cross-sectional filter profile was found.

  2. Towards an empirical ethics in care: relations with technologies in health care.

    Science.gov (United States)

    Pols, Jeannette

    2015-02-01

    This paper describes the approach of empirical ethics, a form of ethics that integrates non-positivist ethnographic empirical research and philosophy. Empirical ethics as it is discussed here builds on the 'empirical turn' in epistemology. It radicalizes the relational approach that care ethics introduced to think about care between people by drawing in relations between people and technologies as things people relate to. Empirical ethics studies care practices by analysing their intra-normativity, or the ways of living together the actors within these practices strive for or bring about as good practices. Different from care ethics, what care is and if it is good is not defined beforehand. A care practice may be contested by comparing it to alternative practices with different notions of good care. By contrasting practices as different ways of living together that are normatively oriented, suggestions for the best possible care may be argued for. Whether these suggestions will actually be put to practice is, however, again a relational question; new actors need to re-localize suggestions, to make them work in new practices and fit them in with local intra-normativities with their particular routines, material infrastructures, know-how and strivings.

  3. Technology.

    Science.gov (United States)

    Online-Offline, 1998

    1998-01-01

    Focuses on technology, on advances in such areas as aeronautics, electronics, physics, the space sciences, as well as computers and the attendant progress in medicine, robotics, and artificial intelligence. Describes educational resources for elementary and middle school students, including Web sites, CD-ROMs and software, videotapes, books,…

  4. Technology Implementation: Teacher Age, Experience, Self-Efficacy, and Professional Development as Related to Classroom Technology Integration

    Science.gov (United States)

    Tweed, Stephanie

    2013-01-01

    The purpose of this quantitative study was to identify the combination of factors that pertain to the implementation of new technologies in the classroom. Specifically, the study was an analysis of the age of the teacher, years of teaching experience, quality of professional development, and teacher self-efficacy as defined by Bandura (1997) to…

  5. Critical fluid technology for the processing of lipid-related natural products

    Energy Technology Data Exchange (ETDEWEB)

    King, J.W. [Los Alamos National Lab., Supercritical Fluid Facility, Chemistry Div. NM (United States)

    2004-07-01

    In recent years, the technology envelope that embraces critical fluids can involve a wide range of conditions, different types of pure and modified fluids, as well as processing options involving extractions, fractionations or reactions. Technological development drivers continue to be environmentally and consumer-benign processing and/or products, however in recent years expansion of the use of sub- and supercritical fluids has been catalyzed by applications in such opportune fields as nutraceuticals, conversion of biomass (bio-refining), and the ability to modify natural products by reactions. The use of critical fluid technology is an important facet of any sustainable development program, particularly when utilized over a broad, interconnected application platform. In this overview presentation, concepts and applications of critical fluids from the author's research as well as the literature will be cited to support the above trends. A totally 'green' processing platform appears to be viable using carbon dioxide in the appropriate form, ethanol and water as intermediate co-solvents/reactants, and water from above its boiling point to supercritical conditions. These fluids can be combined in overall coupled unit processes, such as combining trans-esterification with hydrogenation, or glycero-lysis of lipid moieties with supercritical fluid fractionation. Such fluids also can exploited sequentially for bio-refining processes or the segregation of value-added products, but may require using coupled fluid or unit operations to obtain the targeted product composition or purity. Changing the reduced temperatures and/or pressures of critical fluids offers a plethora of opportunity, an excellent example being the relative critical fluid state of water. For example, sub-critical water slightly above its boiling point provides a unique medium that mimics polar organic solvents, and has been used even for the extraction of thermally labile solutes or

  6. Extension and Prerequisite: An Algorithm to Enable Relations Between Responses in Chatbot Technology

    Directory of Open Access Journals (Sweden)

    Abbas S. Lokman

    2010-01-01

    Full Text Available Problem statement: Artificial intelligence chatbot is a technology that makes interactions between man and machines using natural language possible. From literature, we found out that in general, chatbot are functions like a typical search engine. Although chatbot just produced only one output instead of multiple outputs/results, the basic process flow is the same where each time an input is entered, the new search will be done. Nothing related to previous output. This research is focused on enabling chatbot to become a search engine that can process the next search with the relation to the previous search output. In chatbot context, this functionality will enhance the capability of chatbot’s input processing. Approach: In attempt to augment the traditional mechanism of chatbot processes, we used the relational database model approach to redesign the architecture of chatbot in a whole as well as incorporated the algorithm of Extension and Prerequisite (our proposed algorithm. By using this design, we had developed and tested Virtual Diabetes physician (ViDi, a web-based chatbot that function in specific domain of Diabetes education. Results: Extension and prerequisite enabled relations between responses that significantly make it easier for user to chat with chatbot using the same approach as chatting with an actual human. Chatbot can give different responses from the same input given by user according to current conversation issue. Conclusion: Extension and prerequisite makes chatting with chatbot becomes more likely as chatting with an actual human prior to the relations between responses that produce a response related to the current conversation issue.

  7. Digital imaging information technology for biospeckle activity assessment relative to bacteria and parasites.

    Science.gov (United States)

    Ramírez-Miquet, Evelio E; Cabrera, Humberto; Grassi, Hilda C; de J Andrades, Efrén; Otero, Isabel; Rodríguez, Dania; Darias, Juan G

    2017-08-01

    This paper reports on the biospeckle processing of biological activity using a visualization scheme based upon the digital imaging information technology. Activity relative to bacterial growth in agar plates and to parasites affected by a drug is monitored via the speckle patterns generated by a coherent source incident on the microorganisms. We present experimental results to demonstrate the potential application of this methodology for following the activity in time. The digital imaging information technology is an alternative visualization enabling the study of speckle dynamics, which is correlated to the activity of bacteria and parasites. In this method, the changes in Red-Green-Blue (RGB) color component density are considered as markers of the growth of bacteria and parasites motility in presence of a drug. The RGB data was used to generate a two-dimensional surface plot allowing an analysis of color distribution on the speckle images. The proposed visualization is compared to the outcomes of the generalized differences and the temporal difference. A quantification of the activity is performed using a parameterization of the temporal difference method. The adopted digital image processing technique has been found suitable to monitor motility and morphological changes in the bacterial population over time and to detect and distinguish a short term drug action on parasites.

  8. The evolving role of the transfusion practitioner.

    Science.gov (United States)

    Miller, Kristy; Akers, Christine; Davis, Amanda K; Wood, Erica; Hennessy, Clare; Bielby, Linley

    2015-04-01

    Much of the recent work in transfusion practice has shifted to focus on the patient, after efforts over previous decades to ensure the quality and safety of blood products. After the commencement of hemovigilance and transfusion practice improvement programs, the introduction of transfusion practitioners (TP) into health care services and blood centers has continued to increase worldwide. Since this relatively new role was introduced, much work of the TP has focused on patient and staff education, adverse events, transfusion governance, and monitoring of transfusion practices within organizations. The complex nature of the transfusion process makes the TP an integral link in the transfusion chain. Together with hospital transfusion teams and committees, the TP works collaboratively to facilitate the transfusion change management programs and initiatives. Recently, the TP role has evolved to include an emphasis on patient blood management and, to some extent, is shaped by national standards and regulations. These established roles of the TP, together with the ever-changing field of transfusion medicine, provide new opportunities and challenges for a role that is continuing to evolve worldwide. Copyright © 2015 Elsevier Inc. All rights reserved.

  9. Management of Gliomas: Overview of the Latest Technological Advancements and Related Behavioral Drawbacks.

    Science.gov (United States)

    Ganau, L; Paris, M; Ligarotti, G K; Ganau, M

    2015-01-01

    The advancements in basic sciences and the availability of sophisticated technological aids to surgical removal of gliomas have led over the last few years to the rise of innovative surgical strategies, the identification of better prognostic/predictive biomolecular factors, and the development of novel drugs and all are meant to profoundly impact the outcome of patients diagnosed with these aggressive tumours. Unfortunately, the treatment protocols available nowadays still confer only a small survival advantage at a potentially high cost in terms of overall well-being. In this review we identified the potential and limits of the most promising research trends in the management of glioma patients, also highlighting the related externalities. Finally, we focused our attention on the imbalance between the technical and behavioral aspects pertinent to this research area, which ultimately represent the two sides of the same coin.

  10. FACTORS OF INFLUENCE ON THE ENTREPRENEURIAL INTEREST: AN ANALYSIS WITH STUDENTS OF INFORMATION TECHNOLOGY RELATED COURSES

    Directory of Open Access Journals (Sweden)

    Diego Guilherme Bonfim

    2009-10-01

    Full Text Available The purpose of the research was to analyze the entrepreneurial interest of students in information technology related courses. A literature review was performed, from which four hypotheses were announced, affirming that the student interest in entrepreneurial activity is influenced by (1 the perceived vocation of the area, (2 the ownership of a company, (3 the perceived social support from friends and family, and (4 the entrepreneurial skills mastery. A field study was developed, with data collected from the 171 students of higher education institutions from Fortaleza. The data were analyzed by using statistical techniques of descriptive analysis, analysis of variance, and multiple regression analysis. It was found that: (1 students, in general, have a moderate predisposition to engage in entrepreneurial activities; (2 the entrepreneurial interest is influenced by the perceived entrepreneurial vocation of the area, the social support, and the perceived strategic entrepreneurial skills mastery.

  11. Fetal subjects and maternal objects: reproductive technology and the new fetal/maternal relation.

    Science.gov (United States)

    Squier, S

    1996-10-01

    This essay examines three tendencies nurtured in the practices of reproductive technology - tendencies with profoundly disturbing implications for us as individuals and as social beings. They are: 1) the increasing subjectification of the fetus (that is, the increasing tendency to posit a fetal subject), 2) the increasing objectification of the gestating woman, leading to her representation as interchangeable object rather than unique subject, and 3) the increasing tendency to conceive of the fetus and the mother as social, medical, and legal antagonists. Considering the construction of fetus, mother, and the fetal/maternal relation in earlier (Western) historical periods, a contemporary work of literature, a government report, and the popular press, I argue that as the fetus is increasingly being understood as a subject, the mother is increasingly being reduced to an antagonist, an obstacle to fetal health, and an object. The essay concludes by offering some tentative conclusions about the general process of fetal subjectification in the United States and Europe.

  12. Application of advanced technologies to ash-related problems in boilers

    Energy Technology Data Exchange (ETDEWEB)

    Baxter, L.L. [Sandia National Labs., Livermore, CA (United States); Richards, G.; Harb, J. [Brigham Young Univ., Provo, UT (United States). Chemical Engineering Dept.

    1995-01-01

    Prediction of ash behavior in boilers has, for many years, been based on relatively simple relationships involving the composition of inorganic material in fuels. In recent years, advanced analyses for both fuels and deposits have seen increasing use in the solid fuel combustion community. The combination of the standard and advanced analyses, together with a knowledge of boiler design and operating conditions, allow better interpretation of ash behavior in boilers than has previously been possible. This paper discusses several case histories where advanced technologies have been applied to interpret ash behavior in boilers where standard techniques were insufficient. Included in the discussion are: (1) the behavior of blends of fuels; (2) explanations for markedly different behavior between fuels with similar ASTM characteristics; and (3) effects of boiler operating conditions on ash deposit formation.

  13. Environment effect on fruit ripening related gene to develop a new post harvest technology

    Science.gov (United States)

    Dwivany, Fenny; Esyanti, Rizkita Rahmi; Robertlee, Jekson; Paramaputra, Indra Chandra; Permatadewi, Rinda Kania; Tambun, Dina Hermawaty; Handayani, Resnanti Utami; Pratiwi, Aksarani'Sa; Zaskia, Herafi

    2014-03-01

    Ripening process of fruits is a very complex process, which involves ethylene production, causing alteration on molecular and physiology level. Environmental stress caused by biotic and abiotic stress conditions (such as pathogen, mechanical stress, physical and physiology stress) can stimulate ethylene production. High levels of ethylene in turn can also inhibit growth, cause premature ripening and induce the onset of senescence, which then potentially reduce plant productivity. The ACC Synthase (ACS) and ACC Oxidase (ACO) genes are genes that have role in the ethylene production. By regulating those genes, especially ethylene biosynthesis genes, we might improve the quality of fruit at post harvest condition. Therefore, in this research we studied fruit ripening related genes expression on banana such as MaACS family at different environment condition. The result of study can give contributions in developing of new plants with desired traits or new post harvest technologies.

  14. Management of Gliomas: Overview of the Latest Technological Advancements and Related Behavioral Drawbacks

    Directory of Open Access Journals (Sweden)

    L. Ganau

    2015-01-01

    Full Text Available The advancements in basic sciences and the availability of sophisticated technological aids to surgical removal of gliomas have led over the last few years to the rise of innovative surgical strategies, the identification of better prognostic/predictive biomolecular factors, and the development of novel drugs and all are meant to profoundly impact the outcome of patients diagnosed with these aggressive tumours. Unfortunately, the treatment protocols available nowadays still confer only a small survival advantage at a potentially high cost in terms of overall well-being. In this review we identified the potential and limits of the most promising research trends in the management of glioma patients, also highlighting the related externalities. Finally, we focused our attention on the imbalance between the technical and behavioral aspects pertinent to this research area, which ultimately represent the two sides of the same coin.

  15. Social Robotic Experience and Media Communication Practices: An Exploration on the Emotional and Ritualized Human-technology-relations

    Directory of Open Access Journals (Sweden)

    Christine Linke

    2013-01-01

    Full Text Available This article approaches the subject of social robots by focusing on the emotional relations people establish with media and information and communication technology (ICTs in their everyday life. It examines human-technology-relation from a social studies point of view, seeking to raise questions that enable us to make a connection between the research on human relationships and the topic of human-technology relation, especially human-humanoid-relation. In order to explore the human-technology-relations, theoretical ideas of a mediatization of communication and of a ritual interaction order are applied. Ritual theory is particularly used to enable a focus on emotion as a significant dimension in analyzing social technologies. This explorative article refers to empirical findings regarding media communication practices in close relationships. It argues that following the developed approach regarding mediatized and ritualized relational practices, useful insights for a conceptualization of the human-social robot relation can be achieved. The article concludes with remarks regarding the challenge of an empirical approach to human-social robot-relations.

  16. Attutude-action consistency and social policy related to nuclear technology

    Energy Technology Data Exchange (ETDEWEB)

    Lindell, M.K.; Perry, R.W.; Greene, M.

    1980-06-01

    This study reports the results of a further analysis of questionnaire data--parts of which have been previously reported by Lindell, Earle, Hebert and Perry (1978)--that are related to the issue of consistency of attitudes and behavior toward nuclear power and nuclear waste management. Three factors are considered that might be expected to have a significant bearing on attitude-action consistency: social support, attitude object importance and past activism. Analysis of the data indicated that pronuclear respondents were more likely to show consistency of attitudes and actions (66%) than were antinuclear respondents (51%) although the difference in proportions is not statistically significant. Further analyses showed a strong positive relation between attitude-action consistency and perceived social support, measured by the degree to which the respondent believed that close friends and work associated agreed with his attitude. This relationship held up even when controls for attitude object importance and past activism were introduced. Attitude object importance--the salience of the issue of energy shortage--had a statistically significant effect only when perceived social support was low. Past activism had no significant relation to attitude-action consistency. These data suggest that the level of active support for or opposition to nuclear technology will be affected by the distribution of favorable and unfavorable attitudes among residents of an area. Situations in which pro- and antinuclear attitudes are concentrated among members of interacting groups, rather than distributed randomly, are more likely to produce high levels of polarization.

  17. Social Networking Technology Use and Engagement in HIV Related Risk and Protective Behaviors among Homeless Youth

    Science.gov (United States)

    Barman-Adhikari, Anamika; Rice, Eric; Bender, Kimberly; Lengnick-Hall, Rebecca; Yoshioka-Maxwell, Amanda; Rhoades, Harmony

    2016-01-01

    Preliminary studies with homeless youth find surprisingly pervasive social media use and suggest youths’ online interactions may be associated with their HIV-related risk and protective behaviors. As homeless youth are transient and difficult to engage in place-based services, social media may represent a novel venue for intervention. A critical first step in intervention development is gaining greater understanding of how homeless youth use social media especially as it relates to whom they connect to and around what topics. Given the salience of Social Networking Sites in the lives of these otherwise difficult to reach adolescents, and their potential to disseminate prevention interventions, this study assessed associations between online social networking technology use and HIV risk behaviors among homeless youth in Los Angeles, California. Homeless youth ages 13 through 24 (N=1046) were recruited through three drop-in centers and surveyed about their social media use and self-reported HIV-related risk behaviors. Results suggest that social media use is widely prevalent among this population, and the content of these online interactions is associated with whether or not they engage in risk or protective behaviors. Implications for interventions and further research are discussed. PMID:27337044

  18. Bibliography of NASA-related publications on wind turbine technology 1973-1995

    Science.gov (United States)

    Spera, David A.

    1995-04-01

    A major program of research and development projects on wind turbines for generating electricity was conducted at the NASA Lewis Research Center from 1973 to 1988. Most of these projects were sponsored by the U.S. Department of Energy (DOE), as a major element of its Federal Wind Energy Program. One other large-scale wind turbine project was sponsored by the Bureau of Reclamation of the Department of Interior (DOI). The peak years for wind energy work at Lewis were 1979-80, when almost 100 engineers, technicians, and administrative personnel were involved. From 1988 their conclusion in 1995, NASA wind energy activities have been directed toward the transfer of technology to commercial and academic organizations. Wind energy activities at NASA can be divided into two broad categories which are closely related and often overlapping: (1) Designing, building, and testing a series of 12 large-scale, experimental, horizontal-axis wind turbines (HAWT's); and (2) conducting supporting research and technology (SR&T) projects. The purpose of this bibliography is to assist those active in the field of wind energy in locating the technical information they need on wind power planning, wind loads, turbine design and analysis, fabrication and installation, laboratory and field testing, and operations and maintenance. This bibliography contains approximately 620 citations of publications by over 520 authors and co-authors. Sources are: (1) NASA reports authored by government grantee, and contractor personnel, (2) papers presented by attendees at NASA-sponsored workshops and conferences, (3) papers presented by NASA personnel at outside workshops and conferences, and (4) outside publications related to research performed at NASA/ DOE wind turbine sites.

  19. Education evolving: teaching biology online.

    Science.gov (United States)

    Bernstein, Rachel

    2013-12-19

    The rise of massive open online courses (MOOCs) is shaking up education. For science professors, the Internet offers new opportunities and technological tools to develop new materials, rethink curricula, and teach more effectively, benefiting students both on campus and on the web.

  20. Blended Learning: An Evolving Praxis

    Science.gov (United States)

    Fogal, Gary G.; Graham, Floyd H., III.; Lavigne, Anthony G.

    2014-01-01

    TED (Technology Entertainment Design), a collection of regularly updated talks, offers a web-based platform that is easily accessible. This platform affords language learners across multiple proficiency levels an opportunity to develop autonomy and critical thinking skills alongside their second language (L2) development. With an international…

  1. Research on the Formation Modes of Emerging Technologies Based on the Species Origin Theory

    Institute of Scientific and Technical Information of China (English)

    SONG Yan; YIN Lu

    2006-01-01

    Based on the research on emerging technologies and "the technology species", this thesis tries to find out the homologous relations between emerging technology and new species. The theory of the new biology species in synthetic evolution and the modern genetics is referred in the research. The modes of forming emerging technologies are discussed through some examples of IT evolvement according to modes of the biology speciation. Finally, it is pointed out that the biology species origin theory can analogize continuously the research about the evolvement mode of every emerging technology, and the implications have been bought to enterprises based on the formation conditions of each mode.

  2. Modeling and clustering users with evolving profiles in usage streams

    KAUST Repository

    Zhang, Chongsheng

    2012-09-01

    Today, there is an increasing need of data stream mining technology to discover important patterns on the fly. Existing data stream models and algorithms commonly assume that users\\' records or profiles in data streams will not be updated or revised once they arrive. Nevertheless, in various applications such asWeb usage, the records/profiles of the users can evolve along time. This kind of streaming data evolves in two forms, the streaming of tuples or transactions as in the case of traditional data streams, and more importantly, the evolving of user records/profiles inside the streams. Such data streams bring difficulties on modeling and clustering for exploring users\\' behaviors. In this paper, we propose three models to summarize this kind of data streams, which are the batch model, the Evolving Objects (EO) model and the Dynamic Data Stream (DDS) model. Through creating, updating and deleting user profiles, these models summarize the behaviors of each user as a profile object. Based upon these models, clustering algorithms are employed to discover interesting user groups from the profile objects. We have evaluated all the proposed models on a large real-world data set, showing that the DDS model summarizes the data streams with evolving tuples more efficiently and effectively, and provides better basis for clustering users than the other two models. © 2012 IEEE.

  3. Recommendation in evolving online networks

    Science.gov (United States)

    Hu, Xiao; Zeng, An; Shang, Ming-Sheng

    2016-02-01

    Recommender system is an effective tool to find the most relevant information for online users. By analyzing the historical selection records of users, recommender system predicts the most likely future links in the user-item network and accordingly constructs a personalized recommendation list for each user. So far, the recommendation process is mostly investigated in static user-item networks. In this paper, we propose a model which allows us to examine the performance of the state-of-the-art recommendation algorithms in evolving networks. We find that the recommendation accuracy in general decreases with time if the evolution of the online network fully depends on the recommendation. Interestingly, some randomness in users' choice can significantly improve the long-term accuracy of the recommendation algorithm. When a hybrid recommendation algorithm is applied, we find that the optimal parameter gradually shifts towards the diversity-favoring recommendation algorithm, indicating that recommendation diversity is essential to keep a high long-term recommendation accuracy. Finally, we confirm our conclusions by studying the recommendation on networks with the real evolution data.

  4. CERN internal communication is evolving

    CERN Multimedia

    2016-01-01

    CERN news will now be regularly updated on the CERN People page (see here).      Dear readers, All over the world, communication is becoming increasingly instantaneous, with news published in real time on websites and social networks. In order to keep pace with these changes, CERN's internal communication is evolving too. From now on, you will be informed of what’s happening at CERN more often via the “CERN people” page, which will frequently be updated with news. The Bulletin is following this trend too: twice a month, we will compile the most important articles published on the CERN site, with a brand-new layout. You will receive an e-mail every two weeks as soon as this new form of the Bulletin is available. If you have interesting news or stories to share, tell us about them through the form at: https://communications.web.cern.ch/got-story-cern-website​. You can also find out about news from CERN in real time...

  5. Multiscale modelling of evolving foams

    Science.gov (United States)

    Saye, R. I.; Sethian, J. A.

    2016-06-01

    We present a set of multi-scale interlinked algorithms to model the dynamics of evolving foams. These algorithms couple the key effects of macroscopic bubble rearrangement, thin film drainage, and membrane rupture. For each of the mechanisms, we construct consistent and accurate algorithms, and couple them together to work across the wide range of space and time scales that occur in foam dynamics. These algorithms include second order finite difference projection methods for computing incompressible fluid flow on the macroscale, second order finite element methods to solve thin film drainage equations in the lamellae and Plateau borders, multiphase Voronoi Implicit Interface Methods to track interconnected membrane boundaries and capture topological changes, and Lagrangian particle methods for conservative liquid redistribution during rearrangement and rupture. We derive a full set of numerical approximations that are coupled via interface jump conditions and flux boundary conditions, and show convergence for the individual mechanisms. We demonstrate our approach by computing a variety of foam dynamics, including coupled evolution of three-dimensional bubble clusters attached to an anchored membrane and collapse of a foam cluster.

  6. Posthumanism and somatechnologies: exploring the intimate relations between humans and technologies

    NARCIS (Netherlands)

    Dalibert, Lucie

    2014-01-01

    Recently, with the advent of technoscience, and especially the convergence of nanotechnology, biotechnology, information and communication technology and the cognitive sciences (NBIC), has come the prospect of human enhancement. Even though the latter – the technological enhancement of human beings

  7. Posthumanism and somatechnologies: exploring the intimate relations between humans and technologies

    NARCIS (Netherlands)

    Dalibert, Lucie

    2014-01-01

    Recently, with the advent of technoscience, and especially the convergence of nanotechnology, biotechnology, information and communication technology and the cognitive sciences (NBIC), has come the prospect of human enhancement. Even though the latter – the technological enhancement of human beings

  8. EPA-developed, patented technologies related to vehicles and fuel emissions

    Data.gov (United States)

    U.S. Environmental Protection Agency — Under the Federal Technology Transfer Act (FTTA), Federal Agencies can patent inventions developed during the course of research. These technologies can then be...

  9. EPA-developed, patented technologies related to air quality that are available for licensing

    Data.gov (United States)

    U.S. Environmental Protection Agency — Under the Federal Technology Transfer Act (FTTA), Federal Agencies can patent inventions developed during the course of research. These technologies can then be...

  10. EPA-developed, patented technologies related to pollution prevention that are available for licensing.

    Data.gov (United States)

    U.S. Environmental Protection Agency — Under the Federal Technology Transfer Act (FTTA), Federal Agencies can patent inventions developed during the course of research. These technologies can then be...

  11. EPA-developed, patented technologies related to water monitoring and remediation that are available for licensing

    Data.gov (United States)

    U.S. Environmental Protection Agency — Under the Federal Technology Transfer Act (FTTA), Federal Agencies can patent inventions developed during the course of research. These technologies can then be...

  12. EPA-developed, patented technologies related to waste that are available for licensing

    Data.gov (United States)

    U.S. Environmental Protection Agency — Under the Federal Technology Transfer Act (FTTA), Federal Agencies can patent inventions developed during the course of research. These technologies can then be...

  13. Topology of Coronal Fields from Evolving Magnetofrictional Models

    Science.gov (United States)

    DeRosa, Marc L.; Cheung, M.

    2012-05-01

    The evolving magnetofrictional (MF) scheme enables the construction of time-dependent models of the active region coronal magnetic field in response to photospheric driving. When advancing such models, only the magnetic induction is solved, during which the velocity at each point is assumed to be oriented parallel to the Lorentz force. This leads to the field to evolve toward a force-free state. We present results from an evolving MF model of NOAA AR11158 using driving from time sequences of SDO/HMI data. Utilizing this simulation, we investigate changes in magnetic configurations and topology, including the number of null points, evolution of quasi-separatrix layers, and the time-history of total and free magnetic energies as well as relative helicity. This work seeks to elucidate the relation(s) between topological and energetic properties of the AR.

  14. Uncertainties related to the identification of the marginal energy technology in consequential life cycle assessments

    DEFF Research Database (Denmark)

    Mathiesen, B.V.; Münster, Marie; Fruergaard, Thilde

    2009-01-01

    When performing life cycle assessment (LCA) assumptions regarding the energy use are often decisive for the outcome. In this paper, current approaches of identifying marginal electricity and heat technologies for consequential LCAs are challenged. The identification of marginal energy technologies...... is examined from three angles: The marginal electricity technology is identified in Danish historical and potential future energy systems. The methods of identifying and using marginal electricity and heat technologies in key LCA studies are analysed. Finally, the differences in applying energy system...

  15. Technology

    Directory of Open Access Journals (Sweden)

    Xu Jing

    2016-01-01

    Full Text Available The traditional answer card reading method using OMR (Optical Mark Reader, most commonly, OMR special card special use, less versatile, high cost, aiming at the existing problems proposed a method based on pattern recognition of the answer card identification method. Using the method based on Line Segment Detector to detect the tilt of the image, the existence of tilt image rotation correction, and eventually achieve positioning and detection of answers to the answer sheet .Pattern recognition technology for automatic reading, high accuracy, detect faster

  16. Where's my robot? Integrating human technology relations in the design curriculum

    NARCIS (Netherlands)

    Eggink, Wouter; Bohemia, E.; Eger, A.; Eggink, W.; Kovacevic, A.; Parkinson, B; Wits, W.W.

    2014-01-01

    In today’s society, and in almost every forecast for the future, technology development plays a major role. From theories in Science & Technology Studies we learn that the development of new technology cannot be meaningful unless there are users that successfully adapt the products and services to t

  17. Disruptive Conduct: The Impact of Disruptive Technologies on Social Relations in Higher Education

    Science.gov (United States)

    Flavin, Michael

    2016-01-01

    Higher education institutions (HEIs) have invested significantly in digital technologies for learning and teaching. However, technologies provided by HEIs have not been universally successful in terms of adoption and usage. Meanwhile, both students and lecturers use disruptive technologies to support learning and teaching. This article examines…

  18. Disruptive Conduct: The Impact of Disruptive Technologies on Social Relations in Higher Education

    Science.gov (United States)

    Flavin, Michael

    2016-01-01

    Higher education institutions (HEIs) have invested significantly in digital technologies for learning and teaching. However, technologies provided by HEIs have not been universally successful in terms of adoption and usage. Meanwhile, both students and lecturers use disruptive technologies to support learning and teaching. This article examines…

  19. Application of Radiation Chemistry to Some Selected Technological Issues Related to the Development of Nuclear Energy.

    Science.gov (United States)

    Bobrowski, Krzysztof; Skotnicki, Konrad; Szreder, Tomasz

    2016-10-01

    The most important contributions of radiation chemistry to some selected technological issues related to water-cooled reactors, reprocessing of spent nuclear fuel and high-level radioactive wastes, and fuel evolution during final radioactive waste disposal are highlighted. Chemical reactions occurring at the operating temperatures and pressures of reactors and involving primary transients and stable products from water radiolysis are presented and discussed in terms of the kinetic parameters and radiation chemical yields. The knowledge of these parameters is essential since they serve as input data to the models of water radiolysis in the primary loop of light water reactors and super critical water reactors. Selected features of water radiolysis in heterogeneous systems, such as aqueous nanoparticle suspensions and slurries, ceramic oxides surfaces, nanoporous, and cement-based materials, are discussed. They are of particular concern in the primary cooling loops in nuclear reactors and long-term storage of nuclear waste in geological repositories. This also includes radiation-induced processes related to corrosion of cladding materials and copper-coated iron canisters, dissolution of spent nuclear fuel, and changes of bentonite clays properties. Radiation-induced processes affecting stability of solvents and solvent extraction ligands as well oxidation states of actinide metal ions during recycling of the spent nuclear fuel are also briefly summarized.

  20. Quantum mechanics in an evolving Hilbert space

    CERN Document Server

    Artacho, Emilio

    2016-01-01

    Many basis sets for electronic structure calculations evolve with varying external parameters, such as moving atoms in dynamic simulations, giving rise to extra derivative terms in the dynamical equations. Here we revisit these derivatives in the context of differential geometry, thereby obtaining a more transparent formalisation, and a geometrical perspective for better understanding the resulting equations. The effect of the evolution of the basis set within the spanned Hilbert space separates explicitly from the effect of the turning of the space itself when moving in parameter space, as the tangent space turns when moving in a curved space. New insights are obtained using familiar concepts in that context such as the Riemann curvature. The differential geometry is not strictly that for curved spaces as in general relativity, a more adequate mathematical framework being provided by fibre bundles. The language used here, however, will be restricted to tensors and basic quantum mechanics. The local gauge imp...

  1. Epidemic spreading on evolving signed networks

    CERN Document Server

    Saeedian, M; Jafari, G R; Kertesz, J

    2016-01-01

    Most studies of disease spreading consider the underlying social network as obtained without the contagion, though epidemic influences peoples willingness to contact others: A friendly contact may be turned to unfriendly to avoid infection. We study the susceptible-infected (SI) disease spreading model on signed networks, in which each edge is associated with a positive or negative sign representing the friendly or unfriendly relation between its end nodes. In a signed network, according to Heiders theory, edge signs evolve such that finally a state of structural balance is achieved, corresponding to no frustration in physics terms. However, the danger of infection affects the evolution of its edge signs. To describe the coupled problem of the sign evolution and disease spreading, we generalize the notion of structural balance by taking into account the state of the nodes. We introduce an energy function and carry out Monte-Carlo simulations on complete networks to test the energy landscape, where we find loc...

  2. Ensuring Query Compatibility with Evolving XML Schemas

    CERN Document Server

    Genevès, Pierre; Quint, Vincent

    2008-01-01

    During the life cycle of an XML application, both schemas and queries may change from one version to another. Schema evolutions may affect query results and potentially the validity of produced data. Nowadays, a challenge is to assess and accommodate the impact of theses changes in rapidly evolving XML applications. This article proposes a logical framework and tool for verifying forward/backward compatibility issues involving schemas and queries. First, it allows analyzing relations between schemas. Second, it allows XML designers to identify queries that must be reformulated in order to produce the expected results across successive schema versions. Third, it allows examining more precisely the impact of schema changes over queries, therefore facilitating their reformulation.

  3. Evolvability Search: Directly Selecting for Evolvability in order to Study and Produce It

    OpenAIRE

    Mengistu, Henok; Lehman, Joel Anthony; Clune, Jeff

    2016-01-01

    One hallmark of natural organisms is their significant evolvability, i.e.,their increased potential for further evolution. However, reproducing such evolvability in artificial evolution remains a challenge, which both reduces the performance of evolutionary algorithms and inhibits the study of evolvable digital phenotypes. Although some types of selection in evolutionary computation indirectly encourage evolvability, one unexplored possibility is to directly select for evolvability. To do so,...

  4. Technical analysis of US Army Weapons Systems and related advanced technologies of military interest. Final report

    Energy Technology Data Exchange (ETDEWEB)

    NONE

    1991-06-14

    This report summarizes the activities and accomplishments of an US Army technology security project designed to identify and develop effective policy guidelines for militarily critical technologies in specific Army systems and in broad generic technology areas of military interest, Individual systems analyses are documented in separate Weapons Systems Technical Assessments (WSTAs) and the general generic technology areas are evaluated in the Advanced Technology Assessment Reports (ATARs), However, specific details of these assessments are not addressed here, only recommendations regarding aspects of the defined approach, methodology, and format are provided and discussed.

  5. [Construction of a healthcare-related information technology education praxis for graduate school].

    Science.gov (United States)

    Cardoso, Jefferson Paixão; Rosa, Valéria Argolo; Lopes, Claudia Ribeiro Santos; Vilela, Alba Benemérita Alves; de Santana, Aurisan Souza; da Silva, Sandro Tonini

    2008-01-01

    This paper presents an overview of an information technology education practice for healthcare practitioners in graduate school. Based on hands-on experience of the Information Technology Applied to Healthcare classes at the Jequié Campus of the Southeast Bahia State University (UESB) for the Nursing and Physiotherapy courses, an experience is reported that stresses the importance of teaching information technology by establishing links between Information and Communications Technologies and the praxis of the healthcare practitioners, enhancing the educational process and allowing students to 'visualize' how such technologies could be used for producing and qualifying impacts on their professional activities.

  6. Evolving Polygons Revisited: Inequalities and Computer Graphing

    Science.gov (United States)

    Abramovich, Sergei; Brouwer, Peter

    2009-01-01

    This paper was developed with the goal of enhancing the mathematical preparation of secondary school teachers in the technological paradigm. It shows how two-variable inequalities can be utilized as models for the construction of geometric objects using the software Graphing Calculator 3.5 (produced by Pacific Tech) as a relation grapher. An…

  7. Foundational Methane Propulsion Related Technology Efforts, and Challenges for Applications to Human Exploration Beyond Earth Orbit

    Science.gov (United States)

    Brown, Thomas; Klem, Mark; McRight, Patrick

    2016-01-01

    Current interest in human exploration beyond earth orbit is driving requirements for high performance, long duration space transportation capabilities. Continued advancement in photovoltaic power systems and investments in high performance electric propulsion promise to enable solar electric options for cargo delivery and pre-deployment of operational architecture elements. However, higher thrust options are required for human in-space transportation as well as planetary descent and ascent functions. While high thrust requirements for interplanetary transportation may be provided by chemical or nuclear thermal propulsion systems, planetary descent and ascent systems are limited to chemical solutions due to their higher thrust to weight and potential planetary protection concerns. Liquid hydrogen fueled systems provide high specific impulse, but pose challenges due to low propellant density and the thermal issues of long term propellant storage. Liquid methane fueled propulsion is a promising compromise with lower specific impulse, higher bulk propellant density and compatibility with proposed in-situ propellant production concepts. Additionally, some architecture studies have identified the potential for commonality between interplanetary and descent/ascent propulsion solutions using liquid methane (LCH4) and liquid oxygen (LOX) propellants. These commonalities may lead to reduced overall development costs and more affordable exploration architectures. With this increased interest, it is critical to understand the current state of LOX/LCH4 propulsion technology and the remaining challenges to its application to beyond earth orbit human exploration. This paper provides a survey of NASA's past and current methane propulsion related technology efforts, assesses the accomplishments to date, and examines the remaining risks associated with full scale development.

  8. Evolving spherical boson stars on a 3D Cartesian grid

    Science.gov (United States)

    Guzmán, F. Siddhartha

    2004-08-01

    A code to evolve boson stars in 3D is presented as the starting point for the evolution of scalar field systems with arbitrary symmetries. It was possible to reproduce the known results related to perturbations discovered with 1D numerical codes in the past, which include evolution of stable and unstable equilibrium configurations. In addition, the apparent and event horizons masses of a collapsing boson star are shown for the first time. The present code is expected to be useful at evolving possible sources of gravitational waves related to scalar field objects and to handle toy models of systems perturbed with scalar fields in 3D.

  9. Evolving spherical boson stars on a 3D cartesian grid

    CERN Document Server

    Guzman, F S

    2004-01-01

    A code to evolve boson stars in 3D is presented as the starting point for the evolution of scalar field systems with arbitrary symmetries. It was possible to reproduce the known results related to perturbations discovered with 1D numerical codes in the past, which include evolution of stable and unstable equilibrium configurations. In addition, the apparent and event horizons masses of a collapsing boson star are shown for the first time. The present code is expected to be useful at evolving possible sources of gravitational waves related to scalar field objects and to handle toy models of systems perturbed with scalar fields in 3D.

  10. The Relationship between Low-carbon Agriculture and Agricultural Science and Technology Based on Gray Relational Theory

    Institute of Scientific and Technical Information of China (English)

    TAO Ai-xiang

    2012-01-01

    The agricultural energy consumption per unit of GDP is selected as an indicator for measuring the development level of low-carbon agriculture. Using gray relational theory, I analyze the relationship between development level of agricultural science and technology and development level of low-carbon agriculture in China. The results show that the correlation between the two is prominent; the number of agricultural science and technology talents, the number of agricultural science and technology patents, and the number of agricultural science and technology input are three major factors influencing the development of low-carbon agriculture. On this basis, I propose to take further effective measures, and put forth corresponding recommendations, in order to improve the level of agricultural science and technology.

  11. Rules of Origin: Evolving Best Practices for RTAs/FTAs

    OpenAIRE

    Medalla, Erlinda M.; Lazaro, Dorothea C.

    2006-01-01

    The paper aims to add to the understanding of the issues and suggests a framework to move toward the use of best practice in ROOs. Rules of origin (ROO), originally designed as uncontroversial and neutral devise for authentication and statistical purposes, have evolved over time to accommodate different purposes which come about with new technologies and other developments, across different trade regimes. ROO is becoming a tool in implementing discriminatory trade policies and trade policy in...

  12. Marketing as an evolving discipline: emerging paradigms and managerial implications

    OpenAIRE

    Barthel, Joëlle; Baeyens, Jean-Pierre

    2014-01-01

    Since its beginnings, the marketing discipline has been evolving through different stages and is further developing given the industry challenges such as globalization and technological impacts of the 21st century. Analyzing the attached evolution of consumer behavior and consumption patterns, this paper aims to define how the upcoming years will shape the marketing discipline. After a review of literature, a trend pyramid is established in order to define the most relevant changes from macro...

  13. European Lifelong Guidance Policy Network Representatives' Conceptions of the Role of Information and Communication Technologies Related to National Guidance Policies

    Science.gov (United States)

    Kettunen, Jaana; Vuorinen, Raimo; Ruusuvirta, Outi

    2016-01-01

    This article reports findings from a phenomenographic investigation into European Lifelong Guidance Policy Network representatives' conceptions of the role of information and communication technologies (ICT) related to national lifelong guidance policies. The role of ICT in relation to national lifelong guidance policies was conceived as (1)…

  14. Information and Communication Technologies (ICT) and Their Relation to Academic Results Indicators in State Public Universities in Mexico

    Science.gov (United States)

    Arcos-Vega, José L.; Ramiro Marentes, Fabiola; Algravez Uranga, Juan J.

    2017-01-01

    We present an analysis regarding Information and Communication Technologies (ICT) and their relation with indicators of academic results in bachelor's degree programs offered in state public universities in Mexico. This work is non experimental, cross-sectional, and correlational. The goal is to determine significant relations between variables:…

  15. Tracing evolving trends in printed electronics using patent information

    Science.gov (United States)

    Yoon, Janghyeok; Park, Youngjin; Kim, Mujin; Lee, Jongsu; Lee, Dongjin

    2014-07-01

    Printed electronics, as an extension to conventional electronics, has grown considerably for decades. At this moment, therefore, tracing the development of this technology up to the present will provide researchers and R&D planners with better understanding of the technology's evolving characteristics and insights for further R&D directions. This paper carries out two bibliographic analyses to study the technology development life cycle and the technological knowledge within the area of printed electronics. First, we fit a growth curve to yearly patent registration data, thereby calculating several indicators, including the current technological maturity ratio, the number of potential future patents and the expected remaining life. Second, we identify the core and brokering technology classes within the overall technology network of printed electronics by combining patent co-classification analysis and social network analysis. As a result, we could obtain some findings from the inventional point of view; the technological development of printed electronics has entered the maturity stage, and the expected remaining life was 8.5 years as of the beginning of 2013. In addition, we identified several technology areas that have the high importance to act as both core and brokering technologies, apparatus for metal working, anti-inductive structures, and electronic circuit control systems.

  16. Documentation of and information on protective rights relating to government support on Technological Research and Development. [Federal Republic of Germany

    Energy Technology Data Exchange (ETDEWEB)

    Gretscher, I.

    1980-12-01

    The German Ministry of Research and Technology (BMFT) supports research and development projects relating to industrial and institutional areas. The supported programs relating to Technological Research and Development include the categories application of microelectronics, electronics, metallurgy and materials technology, nonnuclear energy techniques, physical technologies, and technical communication. The present complation contains protective rights that resulted from government-supported programs within these categories. It contains mainly applications filed in 1978. The protective rights are described together with complete data, characterizing keywords, and brief descriptive abstracts in order to allow documentation and information. The contents of these protective rights can be obtained by use of the classification according to the given categories, the classification according to the International Patent Classification, and an index.

  17. Consensus in evolving networks of mobile agents

    Science.gov (United States)

    Baronchelli, Andrea; Díaz-Guilera, Albert

    2012-02-01

    Populations of mobile and communicating agents describe a vast array of technological and natural systems, ranging from sensor networks to animal groups. Here, we investigate how a group-level agreement may emerge in the continuously evolving networks defined by the local interactions of the moving individuals. We adopt a general scheme of motion in two dimensions and we let the individuals interact through the minimal naming game, a prototypical scheme to investigate social consensus. We distinguish different regimes of convergence determined by the emission range of the agents and by their mobility, and we identify the corresponding scaling behaviors of the consensus time. In the same way, we rationalize also the behavior of the maximum memory used during the convergence process, which determines the minimum cognitive/storage capacity needed by the individuals. Overall, we believe that the simple and general model presented in this talk can represent a helpful reference for a better understanding of the behavior of populations of mobile agents.

  18. Evolving evolutionary algorithms using linear genetic programming.

    Science.gov (United States)

    Oltean, Mihai

    2005-01-01

    A new model for evolving Evolutionary Algorithms is proposed in this paper. The model is based on the Linear Genetic Programming (LGP) technique. Every LGP chromosome encodes an EA which is used for solving a particular problem. Several Evolutionary Algorithms for function optimization, the Traveling Salesman Problem and the Quadratic Assignment Problem are evolved by using the considered model. Numerical experiments show that the evolved Evolutionary Algorithms perform similarly and sometimes even better than standard approaches for several well-known benchmarking problems.

  19. Qualitative Functional Decomposition Analysis of Evolved Neuromorphic Flight Controllers

    Directory of Open Access Journals (Sweden)

    Sanjay K. Boddhu

    2012-01-01

    Full Text Available In the previous work, it was demonstrated that one can effectively employ CTRNN-EH (a neuromorphic variant of EH method methodology to evolve neuromorphic flight controllers for a flapping wing robot. This paper describes a novel frequency grouping-based analysis technique, developed to qualitatively decompose the evolved controllers into explainable functional control blocks. A summary of the previous work related to evolving flight controllers for two categories of the controller types, called autonomous and nonautonomous controllers, is provided, and the applicability of the newly developed decomposition analysis for both controller categories is demonstrated. Further, the paper concludes with appropriate discussion of ongoing work and implications for possible future work related to employing the CTRNN-EH methodology and the decomposition analysis techniques presented in this paper.

  20. Voyages Through Time: Everything Evolves

    Science.gov (United States)

    Fisher, Jane; Tarter, Jill; Devore, Edna; Pendleton, Yvonne; O'Sullivan, Kathleen; Burke, Meg

    2004-06-01

    The SETI Institute, the California Academy of Sciences, NASA Ames Research Center, and San Francisco State University have developed standards-based curriculum materials for a one-year high school integrated science course centered on the unifying theme of evolution. Scientists, teachers, curriculum writers, and media specialists are currently finalizing six modules that integrate astronomical, geological, and biological sciences as well as the history of science and technology. The sequence of lessons in each module is designed to promote students' understanding and skills as defined by the National Science Education Standards and Benchmarks for Science Literacy. The modules cover: Cosmic Evolution, Planetary Evolution, Origin of Life, Evolution of Life, Hominid Evolution, and the Evolution of Technology. The core lessons for all six modules are provided via CD-ROM, including instructional guidelines, science background information, and additional resources (print, audiovisual, software, WWW sites, and databases). These products will be published as a complete set for use as a yearlong science course and will also be available as individual modules for use in discipline-based courses. Evolutionary change is a powerful framework for studying our world and our place therein. It is a story of epic size, capable of inspiring awe and of expanding our sense of time and place. This story is the basis of Voyages Through Time.

  1. Influence of information technology on labour relations in the United Arab Emirates / Matar Alneyadi

    OpenAIRE

    Alneyadi, Matar Humaid

    2005-01-01

    Information technology has fundamentally exercised an impact on the employment relationship. Firstly, and most obviously, technology is often used as a substitute for labour. However, improvements in information technology have also served to complement labour. Thus triggered employees to strive to maintain their status not just as another commodity of production, but a vital cog in the organisation. Organisational structures changed to such an extent that employers consult the...

  2. THE RELATION BETWEEN ART AND TECHNOLOGY AND INSTAGRAM AS A DIGITAL ART EXAMPLE

    OpenAIRE

    TÜRKMENOĞLU, Harun

    2014-01-01

    From culture to art, technology is a powerful tool for the existence of today’s life styles. In today’s world the individualism is controlled by technology, which has its advantages and disadvantages but it is present in almost every social structures. It is possible to say that while technology became a facilitator and a regulator in everyday life, its scientific and artistic effect has led different discourses to emerge. Technology has shaped the 21st century. Especially as a medium in art...

  3. Factors related to the economic sustainability of two-year chemistry-based technology training programs

    Science.gov (United States)

    Backus, Bridgid A.

    Two-year chemistry-based technology training (CBTT) programs in the U.S. are important in the preparation of the professional technical workforce. The purpose of this study was to identify, examine, and analyze factors related to the economic sustainability of CBTT programs. A review of literature identified four clustered categories of 31 sub-factors related to program sustainability. Three research questions relating to program sustainability were: (1) What is the relative importance of the identified factors?, (2) What differences exist between the opinions of administrators and faculty?, and (3) What are the interrelationships among the factors? In order to answer these questions, survey data gathered from CBTT programs throughout the United States were analyzed statistically. Conclusions included the following: (1) Rank order of the importance to sustainability of the clustered categories was: (1) Partnerships, (2) Employer and Student Educational Goals, (3) Faculty and Their Resources, and (4) Community Perceptions and Marketing Strategies. (2) Significant correlations between ratings of sustainability and the sub-factors included: degree of partnering, college responsiveness, administration involvement in partnerships, experiential learning opportunities, employer input in curriculum development, use of skill standards, number of program graduates, student job placement, professional development opportunities, administrator support, presence of a champion, flexible scheduling, program visibility, perception of chemical technicians, marketing plans, and promotion to secondary students. (3) Faculty and administrators differed significantly on only two sub-factor ratings: employer assisted curriculum development, and faculty workloads. (4) Significant differences in ratings by small program faculty and administrators and large program faculty and administrators were indicated, with most between small program faculty and large program administrators. The study

  4. Beyond Kargil: The technology of peace in India-Pakistan border relations

    Energy Technology Data Exchange (ETDEWEB)

    Tahir-Kheli, S.; Biringer, K.L.

    2000-01-12

    The potential for cooperation between India and Pakistan is substantial. Topics as widely varying as national security, the environment and trade hold the potential for improved bilateral relations. This paper looks at a few areas in which monitoring technology could contribute to enhancing cooperative border agreements between the two nations. The goal of the paper is not to provide prescriptive solutions to regional problems, but to expand the number of options being considered for improving Indian-Pakistan relations. Many of the impediments to bilateral progress are a result of a history of conflict and mistrust. By utilizing technical monitoring and inspections, each side can begin to replace suspicion and doubt with knowledge and information useful in making informed political, economic and military decisions. At the same time, technical monitoring and inspections can build confidence through common interactions. India and Pakistan have pledged to resolve their disputes, including Kashmir, through dialogue. Implementation of that pledge is influenced by a number of factors, including changes in the political systems and the fortunes of the leadership. Events of the past year and a half have severely tested these two governments' ability to move forward along a constructive and positive path. Testing of new missile systems both preceded and followed testing of nuclear weapons in May 1998. Both countries disregarded subsequent international displeasure as they proceeded to openly declare their respective nuclear capability. Their brief engagement with each other in February 1999 and movement toward a rapprochement diluted international condemnation of their nuclear activity. Within a recent period of nine months however, progress in the dialogue has been stalled first by the Pakistani move in Kashmir in May 1999, then by the Indian election in the summer of 1999 and most recently by the military coup in Pakistan.

  5. Women's oral health: the evolving science.

    Science.gov (United States)

    Sinkford, Jeanne C; Valachovic, Richard W; Harrison, Sonja G

    2008-02-01

    The evidence base for women's oral health is emerging from legislative action, clinical research, and survey documentation. The Women's Health in the Dental School Curriculum study (1999) followed a similar study (1996) of medical school curricula. Both of these major efforts resulted from statutory mandates in the National Institutes of Health Revitalization Act of 1993 (updated October 2000). A major study of the Institute of Medicine (IOM) National Academy of Sciences in 2001 concluded that "the study of sex differences is evolving into a mature science." This IOM study documented the scientific basis for gender-related policy and research and challenged the dental research enterprise to conduct collaborative, cross-disciplinary research on gender-related issues in oral health, disease, and disparities. This report chronicles some of the factors that have and continue to influence concepts of women's oral health in dental education, research, and practice. Gender issues related to women's health are no longer restricted to reproductive issues but are being considered across the life span and include psychosocial factors that impact women's health and treatment outcomes.

  6. The Enemy Below - The Global Diffusion of Submarines and Related Technology

    Energy Technology Data Exchange (ETDEWEB)

    Weiss, K G

    2002-09-05

    The end of the Cold War seemed to create a more peaceful international environment. September 11 reminded us of the dangers of complacency. Indeed, even before September 11 US forces had intervened in a number of wars and crises, including Panama, the Persian Gulf War, Somalia, Rwanda, Bosnia, Kosovo, several Taiwan Straits crises, the North Korea nuclear weapons crisis, and most recently Afghanistan. US ability to intervene in remote areas of the world is often dependent on the Navy's ability to project power ashore. As a result, US ability to influence events in crisis situations, especially between or among nuclear powers, may become more difficult along with our ability to conduct littoral warfare. Although the numbers of potentially hostile submarines have declined with the end of the Cold War, US anti-submarine warfare capabilities have also declined. Moreover, foreign submarines and related technologies are likely to diffuse globally. New technologies like Air Independent Propulsion (AIP), improved weapons and sensors will make conventional submarines more dangerous, and the spread of nuclear submarines even to a few more countries raise political, military, environmental, and safety concerns. Submarines are one of the key weapon systems used alone or in combination with other weapon systems such as coastal defense missiles, aircraft, and other sea-based missile platforms to deny US ability to project power ashore, Thus, other countries who wish to deny the US the ability to interfere with their regional or even global ambitions may emphasize the acquisition and/or development of submarines. As the world become more multipolar over the longer term, as the Chinese believe it will, countries such as Russia, China. etc., may be able to acquire the submarine capabilities to challenge us not just regionally, but in blue waters. To the extent that our alliance relationships require US naval access or superiority to sustain them, then our erstwhile friendly

  7. Relations between Technology, Parent Education, Self-Confidence, and Academic Aspiration of Hispanic Immigrant Students

    Science.gov (United States)

    Park, Haeseong; Lawson, Daniel; Williams, Helen Easterling

    2012-01-01

    The purpose of this project is to test a theoretical model explaining the relationship between technology use, parent educational background, academic aspiration, and self-confidence as predictors of mathematics achievement across three immigrant groups. This study utilized data from the TIMSS 2007. To compare the effect size of technology use,…

  8. Managing technological and organizational change in relation to the social system of the company

    DEFF Research Database (Denmark)

    Clausen, Christian

    1996-01-01

    The paper aims at the discussion of why some work design questions are taken up in the technology management process, and other questions often are neglected or changed through the management process. It is described how the agenda for technology management is created through a complex political...

  9. Relating Use of Digital Technology by Pre-Service Teachers to Confidence: A Singapore Survey

    Science.gov (United States)

    Yeung, Alexander Seeshing; Lim, Kam Ming; Tay, Eng Guan; Lam-Chiang, Audrey Cheausim; Hui, Chenri

    2012-01-01

    Teachers today are expected to be able to apply a wide range of digital technologies in the classroom. Initial teacher education programs should prepare teachers to apply them with confidence. Pre-service teachers in Singapore responded to a survey on use of technologies in their personal lives and in their teaching, and how confident they were in…

  10. Geothermal technology publications and related reports: a bibliography, January 1977-December 1980

    Energy Technology Data Exchange (ETDEWEB)

    Hudson, S.R. (ed.)

    1981-04-01

    This bibliograhy lists titles, authors, abstracts, and reference information for publications which have been published in the areas of drilling technology, logging instrumentation, and magma energy during the period 1977-1980. These publications are the results of work carried on at Sandia National Laboratories and their subcontractors. Some work was also done in conjunction with the Morgantown, Bartlesville, and Pittsburgh Energy Technology Centers.

  11. An Analysis of Theories Related to Experiential Learning for Practical Ethics in Science and Technology

    Science.gov (United States)

    Parahakaran, Suma

    2017-01-01

    Learners in higher education are self -driven to attain goals and objectives of what is required by the Universities for career prospects in the fields of Sciences and Technology. This paper analyses theories of experiential learning which will contribute to implementation of Ethical behaviors in science and technology towards citizenship…

  12. Beyond Computers in the Classroom: Factors Related to Technology Adoption to Enhance Teaching and Learning

    Science.gov (United States)

    Buckenmeyer, Janet A.

    2010-01-01

    How is technology being integrated to the extent possible toward the goals of improving teaching and learning? Research suggests that teachers will be more likely to try new methods of teaching if certain conditions exist. It is not known which conditions are more likely to influence a teacher's decision to integrate technology into the…

  13. The Problem of Evolving a Genetic Code

    Science.gov (United States)

    Woese, Carl R.

    1970-01-01

    Proposes models for the evolution of the genetic code and translation mechanisms. Suggests that the translation process is so complex and precise that it must have evolved in many stages, and that the evolution of the code was influenced by the constraints imposed by the evolving translation mechanism. (EB)

  14. The Computational Complexity of Evolving Systems

    NARCIS (Netherlands)

    Verbaan, P.R.A.

    2006-01-01

    Evolving systems are systems that change over time. Examples of evolving systems are computers with soft-and hardware upgrades and dynamic networks of computers that communicate with each other, but also colonies of cooperating organisms or cells within a single organism. In this research, several m

  15. On purposefulness of application of physical culture-health related technology for prophylaxis of students’ respiratory system disorders

    Directory of Open Access Journals (Sweden)

    Kondakov V.L.

    2016-04-01

    Full Text Available Purpose: To give scientific foundation and experimental proof of physical culture-health related technology for prophylaxis of respiratory system disorders. Material: in the research students: girls (n= 43 and boys (n=40 participated. In process of academic physical culture classes students practices: dozed health walks as warming up, respiratory exercises by methodic of A.N. Strelnikova and G. Childers (which were used as main corrective mean of respiratory system’s functional state, health swimming (for motor functioning intensification outdoor games (as mean of active leisure. Results: The conducted research witness about general positive influence of the worked out technology of disorders’ prophylaxis on students’ somatic health. The technology was constructed on the base of synthesis of the most effective means of health related physical culture. In its basis we put generalized data about their impact. Main characteristic of this technology is its orientation on definite health improvement tasks in compliance with peculiarities of trainees’ contingent. The technology permits to present its content and orientation as integral mean of strengthening of organism’s functional potentials as well as ensuring of high effectiveness of students’ educational process. It permits to significantly reduce impacts of respiratory system’s disorders. Conclusions: The worked out technology permits to present its content and orientation as integral mean of strengthening of organism’s functional potentials.

  16. Asymptotic Degree Distribution of a Kind of Asymmetric Evolving Network

    Directory of Open Access Journals (Sweden)

    Zhimin Li

    2014-01-01

    Full Text Available We propose a kind of evolving network which shows tree structure. The model is a combination of preferential attachment model and uniform model. We show that the proportional degree sequence pkk>1 obeys power law, exponential distribution, and other forms according to the relation of k and parameter m.

  17. Lessons learned during the development and transfer of technology related to a new Hib conjugate vaccine to emerging vaccine manufacturers.

    Science.gov (United States)

    Hamidi, A; Boog, C; Jadhav, S; Kreeftenberg, H

    2014-07-16

    The incidence of Haemophilus Influenzae type b (Hib) disease in developed countries has decreased since the introduction of Hib conjugate vaccines in their National Immunization Programs (NIP). In countries where Hib vaccination is not applied routinely, due to limited availability and high cost of the vaccines, invasive Hib disease is still a cause of mortality. Through the development of a production process for a Hib conjugate vaccine and related quality control tests and the transfer of this technology to emerging vaccine manufacturers in developing countries, a substantial contribution was made to the availability and affordability of Hib conjugate vaccines in these countries. Technology transfer is considered to be one of the fastest ways to get access to the technology needed for the production of vaccines. The first Hib conjugate vaccine based on the transferred technology was licensed in 2007, since then more Hib vaccines based on this technology were licensed. This paper describes the successful development and transfer of Hib conjugate vaccine technology to vaccine manufacturers in India, China and Indonesia. By describing the lessons learned in this process, it is hoped that other technology transfer projects can benefit from the knowledge and experience gained.

  18. Safety-related Innovative Nuclear Reactor Technology Elements R and D (SINTER) Network and Global HTGR R and D Network (GHTRN). Strategic benefits of international networking

    Energy Technology Data Exchange (ETDEWEB)

    Von Lensa, W. [Institut fuer Sicherheitsforschung und Reaktortechnik ISR, Forschungszentrum Juelich, Juelich (Germany)

    1998-09-01

    The nuclear industries and the nuclear research and development (R and D) programmes world-wide have undergone considerable changes over recent years which have resulted in the formation of international industrial consortiums on the one hand and the need for synergistic collaboration in the R and D area due to the reductions of national R and D activities in the nuclear field on the other hand. International networking starting from precompetitive medium- or long-term oriented R and D could be an efficient mean to overcome the problems nuclear energy is facing today with respect to the lack of public acceptance and economic attractivity in a joint effort. Additional motivation is provided by the fact that there is not only a globalisation of markets but also a `globalisation of problems` to be addressed internationally like reductions of environmental impacts and long-term availability of economic energy supply. The tools for telecommunication and telecollaboration are evolving in parallel and offer better conditions for closer collaboration of different R and D teams at distant locations than ever before. It is obvious that these trends and boundary conditions will drastically influence the structures of collaboration not only in the industries, but for R and D on an international level, too. The chances emerging from the creation of a European Union and from the globalisation trends have to be converted into strategic benefits by active response on these `historic changes`. New initiatives have been undertaken in Europe to push for innovations of nuclear reactor technologies via international R and D Networks under the European R and D Framework Programmes (FWP). Innovative approaches are already addressed with limited funding under the actual 4th FWP and should be extended for complementing the commercial efforts on evolutionary LWR concepts by medium- and long-term oriented innovations and R and D. The MICHELANGELO initiative as well as the EU-funded Concerted

  19. Data Publication: The Evolving Lifecyle

    Science.gov (United States)

    Studwell, S.; Elliott, J.; Anderson, A.

    2015-12-01

    Datasets are recognized as valuable information entities in their own right that, now and in the future, need to be available for citation, discovery, retrieval and reuse. The U.S. Department of Energy's Office of Scientific and Technical Information (OSTI) provides Digital Object Identifiers (DOIs) to DOE-funded data through partnership with DataCite. The Geothermal Data Repository (GDR) has been using OSTI's Data ID Service since summer, 2014 and is a success story for data publishing in several different ways. This presentation attributes the initial success to the insistence of DOE's Geothermal Technologies Office on detailed planning, robust data curation, and submitter participation. OSTI widely disseminates these data products across both U.S. and international platforms and continually enhances the Data ID Service to facilitate better linkage between published literature, supplementary data components, and the underlying datasets within the structure of the GDR repository. Issues of granularity in DOI assignment, the role of new federal government guidelines on public access to digital data, and the challenges still ahead will be addressed.

  20. How Hierarchical Topics Evolve in Large Text Corpora.

    Science.gov (United States)

    Cui, Weiwei; Liu, Shixia; Wu, Zhuofeng; Wei, Hao

    2014-12-01

    Using a sequence of topic trees to organize documents is a popular way to represent hierarchical and evolving topics in text corpora. However, following evolving topics in the context of topic trees remains difficult for users. To address this issue, we present an interactive visual text analysis approach to allow users to progressively explore and analyze the complex evolutionary patterns of hierarchical topics. The key idea behind our approach is to exploit a tree cut to approximate each tree and allow users to interactively modify the tree cuts based on their interests. In particular, we propose an incremental evolutionary tree cut algorithm with the goal of balancing 1) the fitness of each tree cut and the smoothness between adjacent tree cuts; 2) the historical and new information related to user interests. A time-based visualization is designed to illustrate the evolving topics over time. To preserve the mental map, we develop a stable layout algorithm. As a result, our approach can quickly guide users to progressively gain profound insights into evolving hierarchical topics. We evaluate the effectiveness of the proposed method on Amazon's Mechanical Turk and real-world news data. The results show that users are able to successfully analyze evolving topics in text data.

  1. Assisted reproductive technology and pregnancy-related hypertensive complications: a systematic review.

    Science.gov (United States)

    Thomopoulos, C; Tsioufis, C; Michalopoulou, H; Makris, T; Papademetriou, V; Stefanadis, C

    2013-03-01

    Hypertensive complications in pregnancy are the leading cause of maternal morbidity, at least in the developed countries. In recent years, infertility issues are managed with ever growing therapeutic options namely assisted reproductive technologies (ART), which improve the ratio of successful induction of pregnancy. It is still debated whether various ART modalities are associated with adverse pregnancy outcomes, including hypertensive complications, particularly with higher incidence of preeclampsia. The main source of controversy stems from the diversity of effect modifiers modulating the association between ART-oriented pregnancy and hypertensive disorders. Indeed, women undergoing an ART procedure are affected by diverse causes of infertility, are frequently characterized by different genetic patterns with respect to their artificially conceived embryo and experienced multiple gestations. In order to investigate whether ART modalities are associated with increased incidence of hypertensive complications in pregnancy, we reviewed all published studies carried out before the end of 2010 and identified in the PubMed database. Among the 47 studies finally selected and by acknowledging the potential of shortcomings related to the different study design and populations, the overall evidence suggests that ART-oriented pregnancies-especially the in-vitro fertilization techniques-are accompanied by increased risk for gestational hypertension and preeclampsia as compared with non-ART pregnancies, even after adjustment for confounders. Multiple gestations, advanced age and underlying polycystic ovary syndrome resulted in constant confounders of the questioned association. Reducing multiple gestations by implementing single embryo techniques might be the therapeutic limiting step to lower the rate of hypertensive complications in assisted pregnancies.

  2. Hospital implementation of health information technology and quality of care: are they related?

    Directory of Open Access Journals (Sweden)

    Restuccia Joseph D

    2012-09-01

    Full Text Available Abstract Background Recently, there has been considerable effort to promote the use of health information technology (HIT in order to improve health care quality. However, relatively little is known about the extent to which HIT implementation is associated with hospital patient care quality. We undertook this study to determine the association of various HITs with: hospital quality improvement (QI practices and strategies; adherence to process of care measures; risk-adjusted inpatient mortality; patient satisfaction; and assessment of patient care quality by hospital quality managers and front-line clinicians. Methods We conducted surveys of quality managers and front-line clinicians (physicians and nurses in 470 short-term, general hospitals to obtain data on hospitals’ extent of HIT implementation, QI practices and strategies, assessments of quality performance, commitment to quality, and sufficiency of resources for QI. Of the 470 hospitals, 401 submitted complete data necessary for analysis. We also developed measures of hospital performance from several publicly data available sources: Hospital Compare adherence to process of care measures; Medicare Provider Analysis and Review (MEDPAR file; and Hospital Consumer Assessment of Healthcare Providers and Systems HCAHPS® survey. We used Poisson regression analysis to examine the association between HIT implementation and QI practices and strategies, and general linear models to examine the relationship between HIT implementation and hospital performance measures. Results Controlling for potential confounders, we found that hospitals with high levels of HIT implementation engaged in a statistically significant greater number of QI practices and strategies, and had significantly better performance on mortality rates, patient satisfaction measures, and assessments of patient care quality by hospital quality managers; there was weaker evidence of higher assessments of patient care quality by

  3. A sensitive search for methanol line emission toward evolved stars

    CERN Document Server

    Gomez, J F; Suarez, O; Rizzo, J R; de Gregorio-Monsalvo, I

    2014-01-01

    We present a sensitive search for methanol line emission in evolved stars at 1 cm, aiming to detect, for the first time, methanol masers in this type of objects. Our sample comprised post-AGB stars and young planetary nebulae (PNe), whose mass-loss processes and circumstellar structures resemble those of young stellar objects (YSOs), where methanol masers are detected. Class I masers were searched for in 73 objects, whereas Class II ones were searched in 16. No detection was obtained. The non-detection of Class I methanol masers indicated that methanol production in dust grains and/or the enhancement of its gas-phase abundance in the shocked regions of evolved objects are not as efficient as in YSOs. We suggest that relatively more evolved PNe might have a better probability of harboring Class II masers.

  4. Factors related to the implementation and diffusion of new technologies: a pilot study

    Energy Technology Data Exchange (ETDEWEB)

    1979-06-01

    In order to develop an understanding of how government intervention affects the processes of implementation and diffusion of new technologies, case studies of 14 technologies were carried out: automobiles; broadcast radio; frozen foods; black and white TV; color TV; polio vaccine; supersonic transport; fluoridation of water supplies; computer-aided instruction; basic oxygen process for steel; numerical control in manufacturing; digital computers; lasers; and integrated circuit. The key factors, their motivations for implementing/adopting the technology (or not doing so), the interactions among the key factors, and how these affected implementation/adoption are examined.

  5. Keynote presentation: Project Management, Technology and Evolving Work Processes

    DEFF Research Database (Denmark)

    Kampf, Constance Elizabeth

    Bridging the classroom and workplace is a challenge in the Project Management classroom because students rarely have the opportunity or the experience needed to head up large projects. So how can instructors present the opportunity to develop skills and gain experience needed to understand project...... management in a classroom setting? To begin to answer this question, the presentation describes three key strategies used in a Project Management course developed from a communications perspective in the International Bachelor Program in Marketing and Management Communication, Business & Social Sciences......, Aarhus University. First, this Project Management course involves continual, ongoing development through working with real clients. To learn about project management from a communications perspective, learners were asked to work in teams for project conception and planning. To communicate with the client...

  6. Medical student attitudes toward video games and related new media technologies in medical education

    National Research Council Canada - National Science Library

    Kron, Frederick W; Gjerde, Craig L; Sen, Ananda; Fetters, Michael D

    2010-01-01

    Studies in K-12 and college students show that their learning preferences have been strongly shaped by new media technologies like video games, virtual reality environments, the Internet, and social networks...

  7. Automotive Security Functions; The Use of New Technologies to Tackle Vehicle-Related Crime

    NARCIS (Netherlands)

    Knapik, Peter

    2016-01-01

    Daily life is increasingly penetrated by new technologies. Advanced driver assistance systems with sophisticated sensors are increasingly available in all classes of vehicles. Moreover, mobile devices, such as smartphones, have become our daily companions. With the help of wireless communication

  8. Roadmaps for the Development of Technologies Related to Danish Wave Power Systems

    DEFF Research Database (Denmark)

    Nielsen, Kim; Krogh, Jan; Brodersen, H. J.

    2015-01-01

    The Danish Partnership for Wave Power was established in 2011 under the project "New strategy for wave power through industrial partnership" [1] funded by the Danish Energy Technology Development and Demonstration Program. The core of this partnership is nine active Danish wave energy developers...... seconded by offshore industry, and research institutions. The Danish Partnership for Wave Power has further been consolidated through the follow-on Roadmap project described in this paper. The roadmap project has in detail investigated how the four most common technology areas for wave power developers can...... activities (research, development and test) are necessary to achieve the desired level of technology i.e. in 2020. The Roadmaps can thus be used to prioritize and coordinate technology development projects....

  9. Challenges in relating supply chain management and information and communication technology : An introduction

    NARCIS (Netherlands)

    van Donk, D.P.

    2008-01-01

    Purpose - The paper's purpose is to provide a motivation for investigating the relationship between supply chain management (SCM) and information and communication technology (ICT), to describe associated theoretical and practical problems and to introduce the papers of the special issue.

  10. The Relationship between Traditional Ecological Knowledge, Evolving Cultures, and Wilderness Protection in the Circumpolar North

    Directory of Open Access Journals (Sweden)

    Lilian Alessa

    2003-12-01

    Full Text Available There are many unique issues associated with natural resource management in the far north as a result of legislative direction, historic settlement and occupation patterns, northern cultural traditions, ecotourism, economic depression, pressures for energy development, and globalization and modernization effects. Wilderness designation in Canada, the USA, and Finland is aimed at preserving and restoring many human and ecological values, as are the long-established, strictly enforced, nature reserves in Russia. In Alaska and Finland, and in some provinces of Canada, there is a variety of values associated with protecting relatively intact relationships between indigenous people and relatively pristine, vast ecosystems. These values are often described as “traditional means of livelihood,” “traditional means of access,” “traditional relationships with nature,” or “traditional lifestyles.” Traditional ecological knowledge (TEK forms part of these relationships and has been acknowledged as a contributor to understanding the effects of management decisions and human-use impacts on long-term ecological composition, structure, and function. Wilderness protection can help maintain opportunities to continue traditional relationships with nature. As cultures continue to evolve in customs, attitudes, knowledge, and technological uses, values associated with both TEK and relationships with relatively pristine ecosystems will also evolve. Understanding these relationships and how to consider them in wilderness protection and restoration decision making is potentially one of the most contentious, widespread natural resource management issues in the circumpolar north.

  11. Major Ethical Considerations and Technological Challenges Related to Distance Professional Services

    OpenAIRE

    Sylvia Lindinger-Sternart; Nick Piazza

    2015-01-01

    Counseling with the assistance of technology is becoming more widespread. The use of the internet in counseling and psychotherapy will likely increase in preval because of advanced technology and more internet users. Virtual counseling will be a reality and in the future, professional counseling sessions about personal and professional concerns may be accomplished as virtual counseling instead of during the traditional face-to-face meeting. Some counselors may see this trend as positive while...

  12. Perceptions and Experiences that Influence a Pakistani Woman's Decision to Pursue a Teaching Career in Computer-Related Technology

    Science.gov (United States)

    Kazim, Nida; Schmidt, Klaus; Brown, Dan

    2007-01-01

    Fewer women than men are involved in the fields of computer science and in other computer-related technology areas. In the United States, fewer than twenty percent of graduates of those programs are female. Fisher & Margolis (2002) say that despite the rise of a women's movement, women have lost ground in the world of computing. This is not…

  13. The Differences in Career-Related Variables between Temporary and Permanent Employees in Information Technology Companies in Korea

    Science.gov (United States)

    Tak, Jinkook; Lim, Beomsik

    2008-01-01

    The purpose of this study was to examine differences in career-related variables, such as career commitment and career satisfaction, based on employment status (temporary vs. permanent employees) and job type (professional vs. nonprofessional employees). With a sample of 302 employees working in information technology companies in Korea, it was…

  14. A Framework for a Research and Related Activities on Instructional Technology and Systems Change: Better Results for Individuals with Disabilities.

    Science.gov (United States)

    Gerber, Michael M.

    This paper recommends a research and action agenda for the federal Office of Special Education Programs in examining instructional technology for individuals with disabilities, particularly as those activities relate to "system" change. Staff development programs and curriculum reform are stressed as concrete components of system change.…

  15. Effect of electricity tariffs and cooling technologies on dairy farm electricity consumption, related costs and greenhouse gas emissions

    NARCIS (Netherlands)

    Upton, J.R.; Shalloo, L.; Murphy, M.; Groot Koerkamp, P.W.G.; Boer, de I.J.M.

    2014-01-01

    The aim of this study was to provide insight into the variations in dairy farm electricity costs across five electricity tariffs. The effect of four milk cooling scenarios is also simulated to illustrate the effect of technologies on the electricity consumption, related costs and CO2 emissions of a

  16. Cyber-Relations in the Field of Home Computer Use for Leisure: Bourdieu and Teenage Technological Experts

    Science.gov (United States)

    Johnson, Nicola F.

    2009-01-01

    This article highlights the practice of a group of New Zealand teenagers who are considered by their family and themselves to be technological experts. Drawing on Pierre Bourdieu's key concepts of habitus, field and capital, this text identifies and discusses the cyber-relations that constitute the practice in the field of home computer use for…

  17. Effect of electricity tariffs and cooling technologies on dairy farm electricity consumption, related costs and greenhouse gas emissions

    NARCIS (Netherlands)

    Upton, J.R.; Shalloo, L.; Murphy, M.; Groot Koerkamp, P.W.G.; Boer, de I.J.M.

    2014-01-01

    The aim of this study was to provide insight into the variations in dairy farm electricity costs across five electricity tariffs. The effect of four milk cooling scenarios is also simulated to illustrate the effect of technologies on the electricity consumption, related costs and CO2 emissions of a

  18. The "Day in the Life of a Teenage Hobo" Project: Integrating Technology with Shneiderman's Collect-Relate-Create- Donate Framework

    Science.gov (United States)

    Reich, Justin; Daccord, Thomas

    2009-01-01

    Used wisely, academic technology empowers students to take responsibility for their own learning. "In Leonardo's Laptop," Ben Shneiderman provides teachers with a powerful framework, "Collect-Relate-Create-Donate" (CRCD), for designing student-centered learning opportunities using computers. Shneiderman developed his model by…

  19. Cyber-Relations in the Field of Home Computer Use for Leisure: Bourdieu and Teenage Technological Experts

    Science.gov (United States)

    Johnson, Nicola F.

    2009-01-01

    This article highlights the practice of a group of New Zealand teenagers who are considered by their family and themselves to be technological experts. Drawing on Pierre Bourdieu's key concepts of habitus, field and capital, this text identifies and discusses the cyber-relations that constitute the practice in the field of home computer use for…

  20. How the gene ontology evolves.

    Science.gov (United States)

    Leonelli, Sabina; Diehl, Alexander D; Christie, Karen R; Harris, Midori A; Lomax, Jane

    2011-08-05

    Maintaining a bio-ontology in the long term requires improving and updating its contents so that it adequately captures what is known about biological phenomena. This paper illustrates how these processes are carried out, by studying the ways in which curators at the Gene Ontology have hitherto incorporated new knowledge into their resource. Five types of circumstances are singled out as warranting changes in the ontology: (1) the emergence of anomalies within GO; (2) the extension of the scope of GO; (3) divergence in how terminology is used across user communities; (4) new discoveries that change the meaning of the terms used and their relations to each other; and (5) the extension of the range of relations used to link entities or processes described by GO terms. This study illustrates the difficulties involved in applying general standards to the development of a specific ontology. Ontology curation aims to produce a faithful representation of knowledge domains as they keep developing, which requires the translation of general guidelines into specific representations of reality and an understanding of how scientific knowledge is produced and constantly updated. In this context, it is important that trained curators with technical expertise in the scientific field(s) in question are involved in supervising ontology shifts and identifying inaccuracies.

  1. International Legal and Ethical Challenges Related to the Use and Development of 3D Technology in the U.S. and China

    Directory of Open Access Journals (Sweden)

    Kimberley Kinsley

    2014-06-01

    Full Text Available Ethical and legal uses of technology should be addressed when a new technology gains popularity. The main focus of this research is to provide a detailed discussion of the legal and ethical issues pertaining to the use of 3D technology. Recent court cases provide examples of current and potential concerns associated with this technology from a consumer and business perspective. With the growing interest in 3D technology worldwide, especially in China, a discussion of similar laws in China related to 3D technology provides an international outlook of some of the trials ahead as business and consumer interest in 3D technology continues to escalate.

  2. The glycoprotein TRP36 of Ehrlichia sp. UFMG-EV and related cattle pathogen Ehrlichia sp. UFMT-BV evolved from a highly variable clade of E. canis under adaptive diversifying selection

    OpenAIRE

    Cabezas-Cruz, Alejandro; Valdés, James J.; Fuente, José de la

    2014-01-01

    Background A new species of Ehrlichia, phylogenetically distant from E. ruminantium, was found in 2010 infecting cattle in Canada. In 2012 and 2013, we reported the in vitro propagation, molecular and ultrastructural characterization of Ehrlichia sp. UFMG-EV (E. mineirensis), a new species of Ehrlichia isolated from the haemolymph of Brazilian Rhipicephalus (Boophilus) microplus ticks. A new organism, named Ehrlichia sp. UFMT-BV, closely related to Ehrlichia sp. UFMG-EV, was recently describe...

  3. On the Discovery of Evolving Truth.

    Science.gov (United States)

    Li, Yaliang; Li, Qi; Gao, Jing; Su, Lu; Zhao, Bo; Fan, Wei; Han, Jiawei

    2015-08-01

    In the era of big data, information regarding the same objects can be collected from increasingly more sources. Unfortunately, there usually exist conflicts among the information coming from different sources. To tackle this challenge, truth discovery, i.e., to integrate multi-source noisy information by estimating the reliability of each source, has emerged as a hot topic. In many real world applications, however, the information may come sequentially, and as a consequence, the truth of objects as well as the reliability of sources may be dynamically evolving. Existing truth discovery methods, unfortunately, cannot handle such scenarios. To address this problem, we investigate the temporal relations among both object truths and source reliability, and propose an incremental truth discovery framework that can dynamically update object truths and source weights upon the arrival of new data. Theoretical analysis is provided to show that the proposed method is guaranteed to converge at a fast rate. The experiments on three real world applications and a set of synthetic data demonstrate the advantages of the proposed method over state-of-the-art truth discovery methods.

  4. Epidemic spreading on evolving signed networks

    Science.gov (United States)

    Saeedian, M.; Azimi-Tafreshi, N.; Jafari, G. R.; Kertesz, J.

    2017-02-01

    Most studies of disease spreading consider the underlying social network as obtained without the contagion, though epidemic influences people's willingness to contact others: A "friendly" contact may be turned to "unfriendly" to avoid infection. We study the susceptible-infected disease-spreading model on signed networks, in which each edge is associated with a positive or negative sign representing the friendly or unfriendly relation between its end nodes. In a signed network, according to Heider's theory, edge signs evolve such that finally a state of structural balance is achieved, corresponding to no frustration in physics terms. However, the danger of infection affects the evolution of its edge signs. To describe the coupled problem of the sign evolution and disease spreading, we generalize the notion of structural balance by taking into account the state of the nodes. We introduce an energy function and carry out Monte Carlo simulations on complete networks to test the energy landscape, where we find local minima corresponding to the so-called jammed states. We study the effect of the ratio of initial friendly to unfriendly connections on the propagation of disease. The steady state can be balanced or a jammed state such that a coexistence occurs between susceptible and infected nodes in the system.

  5. The evolving energy budget of accretionary wedges

    Science.gov (United States)

    McBeck, Jessica; Cooke, Michele; Maillot, Bertrand; Souloumiac, Pauline

    2017-04-01

    The energy budget of evolving accretionary systems reveals how deformational processes partition energy as faults slip, topography uplifts, and layer-parallel shortening produces distributed off-fault deformation. The energy budget provides a quantitative framework for evaluating the energetic contribution or consumption of diverse deformation mechanisms. We investigate energy partitioning in evolving accretionary prisms by synthesizing data from physical sand accretion experiments and numerical accretion simulations. We incorporate incremental strain fields and cumulative force measurements from two suites of experiments to design numerical simulations that represent accretionary wedges with stronger and weaker detachment faults. One suite of the physical experiments includes a basal glass bead layer and the other does not. Two physical experiments within each suite implement different boundary conditions (stable base versus moving base configuration). Synthesizing observations from the differing base configurations reduces the influence of sidewall friction because the force vector produced by sidewall friction points in opposite directions depending on whether the base is fixed or moving. With the numerical simulations, we calculate the energy budget at two stages of accretion: at the maximum force preceding the development of the first thrust pair, and at the minimum force following the development of the pair. To identify the appropriate combination of material and fault properties to apply in the simulations, we systematically vary the Young's modulus and the fault static and dynamic friction coefficients in numerical accretion simulations, and identify the set of parameters that minimizes the misfit between the normal force measured on the physical backwall and the numerically simulated force. Following this derivation of the appropriate material and fault properties, we calculate the components of the work budget in the numerical simulations and in the

  6. Evaluation of Costs in Asparagus Production in Relation to Different Technological Processes in Conditions of Slovak Republic

    Directory of Open Access Journals (Sweden)

    Patrik Burg

    2014-01-01

    Full Text Available This study deals with analysis structure of cost on the production of asparagus in relation to three different technological processes in conditions of Slovak Republic. Obtained results can be used as a template to prepare budgets and make production decisions to estimate potential returns and to analyze investment and financial analysis decisions in the asparagus cultivation. Production practices used in the budget are based on typical practices for asparagus in this country. From the analysis of the cost structure of assessed variants different technological procedures follows that the largest share of the costs fall to purchased material and labor.

  7. Evolving Culture vs Local Minima

    CERN Document Server

    Bengio, Yoshua

    2012-01-01

    We propose a theory that relates difficulty of learning in deep architectures to culture and language. It is articulated around the following hypotheses: (1) learning in an individual human brain is hampered by the presence of effective local minima; (2) this optimization difficulty is particularly important when it comes to learning higher-level abstractions, i.e., concepts that cover a vast and highly-nonlinear span of sensory configurations; (3) such high-level abstractions are best represented in brains by the composition of many levels of representation, i.e., by deep architectures; (4) a human brain can learn such high-level abstractions if guided by the signals produced by other humans, which act as hints or indirect supervision for these high-level abstractions; and (5), language and the recombination and optimization of mental concepts provide an efficient evolutionary recombination operator, and this gives rise to rapid search in the space of communicable ideas that help humans build up better high-...

  8. Evolving society and mental health

    Directory of Open Access Journals (Sweden)

    Dipesh Bhagabati

    2016-07-01

    Full Text Available Numerous issues related to culture, occupation, gender, caste, and health, to name a few, have faced harshness of society from time immemorial. Reasons are debatable, ranging from somewhat understandable to completely unacceptable. There is no doubt that society is dynamic and it has changed its view on many of the issues with passing time. Mental health is one such issue which society has neglected for quite a long time. Even today, mental health and mentally ill people face stigma and discrimination in their family, society, and at their workplace. People do not feel comfortable talking about mental health, even if they know that there cannot be any health without a healthy mind. But, as Albert Einstein has said “learn from yesterday, live for today, and hope for tomorrow”, everything is not lost. The mentally ill patients who were once abandoned and left on their own have now started to get humane care and attention. This article discusses this very pertinent topic of changing society and mental health.

  9. Acceptance of genetically modified foods: the relation between technology and evaluation.

    Science.gov (United States)

    Tenbült, Petra; De Vries, Nanne K; van Breukelen, Gerard; Dreezens, Ellen; Martijn, Carolien

    2008-07-01

    This study investigates why consumers accept different genetically modified food products to different extents. The study shows that whether food products are genetically modified or not and whether they are processed or not are the two important features that affect the acceptance of food products and their evaluation (in terms of perceived healthiness, naturalness, necessity and tastiness). The extent to which these evaluation attributes and acceptance of a product are affected by genetic modification or processing depends on whether the product is negatively affected by the other technology: Any technological change to a 'natural' product (when nonprocessed products are genetically modified or when non-genetically modified products are processed) affect evaluation and acceptance stronger than a change to an technologically adapted product (when processed products are also genetically modified or vice versa). Furthermore, evaluation attributes appear to mediate the effects of genetic modification and processing on acceptance.

  10. Nursing students' attitudes toward video games and related new media technologies.

    Science.gov (United States)

    Lynch-Sauer, Judith; Vandenbosch, Terry M; Kron, Frederick; Gjerde, Craig Livingston; Arato, Nora; Sen, Ananda; Fetters, Michael D

    2011-09-01

    Little is known about Millennial nursing students' attitudes toward computer games and new media in nursing education and whether these attitudes differ between undergraduates and graduates. This study elicited nursing students' experience with computer games and new media, their attitudes toward various instructional styles and methods, and the role of computer games and new media technologies in nursing education. We e-mailed all nursing students enrolled in two universities to invite their participation in an anonymous cross-sectional online survey. The survey collected demographic data and participants' experience with and attitudes toward video gaming and multi-player online health care simulations. We used descriptive statistics and logistic regression to compare the differences between undergraduates and graduates. Two hundred eighteen nursing students participated. Many of the nursing students support using new media technologies in nursing education. Nurse educators should identify areas suitable for new media integration and further evaluate the effectiveness of these technologies.

  11. Travels of the information highway: New media technology and public relations

    Directory of Open Access Journals (Sweden)

    Pavlik John V.

    2003-01-01

    Full Text Available The formation superhighway is perhaps best thought of as metaphor for the Emerging digital data networks that are rapidly encircling the globe. It is a mistake to think there will be just one information superhighway; there will be many, including the worldwide web of computer networks known as the Internet, the broadband packet-switched telecommunications network of optical fiber, coaxial cable and twisted pair capable of delivering video on demand and emerging technologies such as wireless communications, and direct broadcast satellite that will utilize compression techniques to provide digital interactive television and other new information services. It is also a mistake to expect the corporate spokespersons, government leaders and other technology advocates to deliver on all their promises; much of the promised technology is little more than vaporware, the term those in the computer industry use to describe much-anticipated but never delivered software packages.

  12. WSC-07: Evolving the Web Services Challenge

    NARCIS (Netherlands)

    Blake, M. Brian; Cheung, William K.W.; Jaeger, Michael C.; Wombacher, Andreas

    2007-01-01

    Service-oriented architecture (SOA) is an evolving architectural paradigm where businesses can expose their capabilities as modular, network-accessible software services. By decomposing capabilities into modular services, organizations can share their offerings at multiple levels of granularity whil

  13. Robot navigation system using intrinsic evolvable hardware

    Institute of Scientific and Technical Information of China (English)

    2001-01-01

    Recently there has been great interest in the idea that evolvable system based on the principle of ar tifcial intelligence can be used to continuously and autonomously adapt the behaviour of physically embedded systems such as autonomous mobile robots and intelligent home devices. Meanwhile, we have seen the introduc tion of evolvable hardware(EHW): new integrated electronic circuits that are able to continuously evolve to a dapt the chages in the environment implemented by evolutionary algorithms such as genetic algorithm(GA)and reinforcement learning. This paper concentrates on developing a robotic navigation system whose basic behav iours are obstacle avoidance and light source navigation. The results demonstrate that the intrinsic evolvable hardware system is able to create the stable robotiiuc behaviours as required in the real world instead of the tra ditional hardware systems.

  14. Evolvability Characterization in the Context of SOA

    Science.gov (United States)

    Arciniegas H., Jose L.; Dueñas L., Juan C.

    Service-Oriented Architecture (SOA) is an architectural style which promotes reuse of self-contained services. These self-contained services allow a better consideration of software quality characteristics as they can be independently analyzed. In our work, the evolvability quality characteristic has been considered, due to its impact in the stages of Maintenance and Evolution (M&E) for the software enterprises. Three goals are underlined in this paper: first, the relationship between SOA and quality characteristics focusing on a precise definition of evolvability of a software product from the SOA perspective, second a M&E model for SOA, and finally, some experiences are presented in order to assess evolvability in real software products. Two case studies have been executed: the first one analyzing the evolvability of the OSGi framework. And in the second case, the model is used in local Small and Medium Enterprises (SMEs), where an improvement process has been executed.

  15. Substantiation and working out of recreation health related technology on the basis of health related hiking and orienteering for junior school age children

    Directory of Open Access Journals (Sweden)

    Goncharova N.N.

    2015-11-01

    Full Text Available Purpose: to study role of health related hiking and orienteering in improvement of children’s physical conditions. Material: 163 children of 7 - 10 years old age participated in the research (82 boys and 81 girls. Tests for assessment of physical condition, physical health, adaptation reserve potentials and motor functioning of junior schoolchildren were used. Results: It was found that 46,01% of pupils can be considered healthy. Accordingly more than half (53,99% have not infectious diseases. Among them nosologies of musculoskeletal apparatus prevail. In academic day with physical culture lesson average and high levels of motor functioning prevail (61,36%. Recreation health related technology on the basis of health related hiking and orienteering has been theoretically substantiated and worked out. Its structural components and content have been described. Realization of recreation health related technology is envisaged to be in three stages. Most of classes shall be in the open air. Conclusions: low level of adaptation reserve potentials and physical health of children have been determined that points at demand in health related measures in junior schoolchildren’s physical education.

  16. Evolving models for medical physics education and training: a global perspective.

    Science.gov (United States)

    Sprawls, P

    2008-01-01

    There is a significant need for high-quality medical physics education and training in all countries to support effective and safe use of modern medical technology for both diagnostic and treatment purposes. This is, and will continue to be, achieved using appropriate technology to increase both the effectiveness and efficiency of educational activities everywhere in the world. While the applications of technology to education and training are relatively new, the successful applications are based on theories and principles of the learning process developed by two pioneers in the field, Robert Gagne and Edgar Dale.The work of Gagne defines the different levels of learning that can occur and is used to show the types and levels of learning that are required for the application of physics and engineering principles to achieve appropriate diagnostic and therapeutic results from modern technology. The learning outcomes are determined by the effectiveness of the learning activity or experience. The extensive work of Dale as formulated in his Cone of Experience relates the effectiveness to the efficiency of educational activities. A major challenge in education is the development and conduction of learning activities (classroom discussions, laboratory and applied experiences, individual study, etc) that provide an optimum balance between effectiveness and efficiency. New and evolving models of the educational process use technology as the infrastructure to support education that is both more effective and efficient.The goal is to use technology to enhance human performance for both learners (students) and learning facilitators (teachers). A major contribution to global education is the trend in the development of shared educational resources. Two models of programs to support this effort with open and free shared resources are Physical Principles of Medical Imaging Online (http://www.sprawls.org/resources) and AAPM Continuing Education Courses (http://www.aapm.org/international).

  17. Plagiarism in the Context of Education and Evolving Detection Strategies.

    Science.gov (United States)

    Gasparyan, Armen Yuri; Nurmashev, Bekaidar; Seksenbayev, Bakhytzhan; Trukhachev, Vladimir I; Kostyukova, Elena I; Kitas, George D

    2017-08-01

    Plagiarism may take place in any scientific journals despite currently employed anti-plagiarism tools. The absence of widely acceptable definitions of research misconduct and reliance solely on similarity checks do not allow journal editors to prevent most complex cases of recycling of scientific information and wasteful, or 'predatory,' publishing. This article analyses Scopus-based publication activity and evidence on poor writing, lack of related training, emerging anti-plagiarism strategies, and new forms of massive wasting of resources by publishing largely recycled items, which evade the 'red flags' of similarity checks. In some non-Anglophone countries 'copy-and-paste' writing still plagues pre- and postgraduate education. Poor research management, absence of courses on publication ethics, and limited access to quality sources confound plagiarism as a cross-cultural and multidisciplinary phenomenon. Over the past decade, the advent of anti-plagiarism software checks has helped uncover elementary forms of textual recycling across journals. But such a tool alone proves inefficient for preventing complex forms of plagiarism. Recent mass retractions of plagiarized articles by reputable open-access journals point to critical deficiencies of current anti-plagiarism software that do not recognize manipulative paraphrasing and editing. Manipulative editing also finds its way to predatory journals, ignoring the adherence to publication ethics and accommodating nonsense plagiarized items. The evolving preventive strategies are increasingly relying on intelligent (semantic) digital technologies, comprehensively evaluating texts, keywords, graphics, and reference lists. It is the right time to enforce adherence to global editorial guidance and implement a comprehensive anti-plagiarism strategy by helping all stakeholders of scholarly communication. © 2017 The Korean Academy of Medical Sciences.

  18. Plagiarism in the Context of Education and Evolving Detection Strategies

    Science.gov (United States)

    Nurmashev, Bekaidar; Seksenbayev, Bakhytzhan

    2017-01-01

    Plagiarism may take place in any scientific journals despite currently employed anti-plagiarism tools. The absence of widely acceptable definitions of research misconduct and reliance solely on similarity checks do not allow journal editors to prevent most complex cases of recycling of scientific information and wasteful, or ‘predatory,’ publishing. This article analyses Scopus-based publication activity and evidence on poor writing, lack of related training, emerging anti-plagiarism strategies, and new forms of massive wasting of resources by publishing largely recycled items, which evade the ‘red flags’ of similarity checks. In some non-Anglophone countries ‘copy-and-paste’ writing still plagues pre- and postgraduate education. Poor research management, absence of courses on publication ethics, and limited access to quality sources confound plagiarism as a cross-cultural and multidisciplinary phenomenon. Over the past decade, the advent of anti-plagiarism software checks has helped uncover elementary forms of textual recycling across journals. But such a tool alone proves inefficient for preventing complex forms of plagiarism. Recent mass retractions of plagiarized articles by reputable open-access journals point to critical deficiencies of current anti-plagiarism software that do not recognize manipulative paraphrasing and editing. Manipulative editing also finds its way to predatory journals, ignoring the adherence to publication ethics and accommodating nonsense plagiarized items. The evolving preventive strategies are increasingly relying on intelligent (semantic) digital technologies, comprehensively evaluating texts, keywords, graphics, and reference lists. It is the right time to enforce adherence to global editorial guidance and implement a comprehensive anti-plagiarism strategy by helping all stakeholders of scholarly communication. PMID:28665055

  19. Working on the robot society. : Visions and insights from science about the relation technology and employment.

    NARCIS (Netherlands)

    van Est, R.; Kool, L.

    2015-01-01

    The report Working on the robot society sets out current scientific findings for the relationship between technology and employment. It looks at the future and describes the policy options. In so doing, the report provides a joint fund of knowledge for societal and political debate on how the Nether

  20. The Level of Desirability of Information Technology Systems and Its Relation with Organizational Commitment

    Science.gov (United States)

    Allammeh, Sayyed Mohsen; Shavaran, Hamidreza; Dabaghi, Azizollah; Arbabisarjou, Azizollah

    2011-01-01

    Purpose: This paper aims to define Information Technology (IT) desirability and determine IT relationship with organizational commitment. The existence of such a relationship between IT & organizational commitment can guide the organizational leaders to promote and to develop the IT potentials in order to improve the performance of employees,…

  1. The individualization of the employment relations on-line: the benefits and limitations of information technologies

    NARCIS (Netherlands)

    Bondarouk, Tanya; Riemsdijk, van Maarten

    2004-01-01

    One of the latest tendencies in the organisational change theory and practice is implementing e- ideas: e-business, e-commerce, e-library, e-learning, and since not long ago – e-HRM. Software engineers design information technologies (IT) to support HR processes, marketing specialists insist that th

  2. The individualization of the employment relations on-line: the benefits and limitations of information technologies

    NARCIS (Netherlands)

    Bondarouk, Tatiana; van Riemsdijk, Maarten

    2004-01-01

    One of the latest tendencies in the organisational change theory and practice is implementing e- ideas: e-business, e-commerce, e-library, e-learning, and since not long ago – e-HRM. Software engineers design information technologies (IT) to support HR processes, marketing specialists insist that

  3. Challenges in relating supply chain management and information and communication technology : An introduction

    NARCIS (Netherlands)

    van Donk, D.P.

    2008-01-01

    Purpose - The paper's purpose is to provide a motivation for investigating the relationship between supply chain management (SCM) and information and communication technology (ICT), to describe associated theoretical and practical problems and to introduce the papers of the special issue. Design/met

  4. Overview of CERN Technology Transfer Strategy and Accelerator-Related Activities

    CERN Document Server

    Chesta, E; Wuensch, W; Sgobba, S; Stora, T; Chiggiato, P; Taborelli, M

    2013-01-01

    CERN, the European Organization for Nuclear Research, is actively engaged in identifying technologies developed for its accelerator complex that could be profitably used by partner research organizations or commercial companies in applications with potentially high socio-economic impact beyond pure fundamental physics research. \

  5. Ethical Issues Related to the Use/Non-Use of Assistive Technologies

    Science.gov (United States)

    Cook, Albert M.

    2009-01-01

    Assistive technologies (AT) can provide significant assistance in accomplishing the tasks of daily living for persons who have disabilities. Five types of ethical principles underlie the distribution and use of AT: beneficence, nonmaleficence, justice, autonomy and fidelity. Beneficence, nonmaleficence, and justice, most directly affect the…

  6. Towards Transnational Feminisms. Some reflections and concerns in relation to the globalization of reproductive technologies

    NARCIS (Netherlands)

    Gupta, J.A.

    2006-01-01

    This article discusses the emergence of the concept of ‘transnational feminisms’ as a differentiated notion from ‘global sisterhood’ within feminist postcolonial criticism. This is done in order to examine its usefulness for interrogating the globalization of reproductive technologies and women’s ri

  7. Automotive security functions: the use of new technologies to tackle vehicle-related crime

    NARCIS (Netherlands)

    Knapik, Peter

    2016-01-01

    New technologies are mainly used in academia and industry to advance applications in three categories within the automotive field. The first category involves applications to improve traffic efficiency. The second set of applications aims to provide the driver and passengers with infotainment featur

  8. Science and Technology Issues Relating to Data Quality in C2 Systems

    Science.gov (United States)

    2011-06-01

    University, Center for Technology and National Security Policy: Fort Lesley J. McNair, Washington, DC, 20319. 28. MacPherson, M., Roberts Ridge : A Story of...Army. 34. Allen, M.D., C. Macheret, and M.A. Malloy , C2 Core and UCore Message Design Capstone: Interoperable Message Structure. 2009. 35. Guthrie

  9. Diffusion and Adoption of Innovations in Fertilizer-Related Agricultural Production Technology in Developing Countries.

    Science.gov (United States)

    Byrnes, Kerry J.

    This monograph reviews a wide range of research literature on the diffusion and adoption of innovations in agricultural production technology in the developing countries, with particular emphasis on the practice of using commercially purchased, inorganic fertilizer as a source of plant nutrients. It is intended that the report's documentation of…

  10. Automotive Security Functions; The Use of New Technologies to Tackle Vehicle-Related Crime

    NARCIS (Netherlands)

    Knapik, Peter

    2016-01-01

    Daily life is increasingly penetrated by new technologies. Advanced driver assistance systems with sophisticated sensors are increasingly available in all classes of vehicles. Moreover, mobile devices, such as smartphones, have become our daily companions. With the help of wireless communication tec

  11. An Examination of Faculty Innovativeness in Relation to Inductive Teaching and the Use of Technology

    Science.gov (United States)

    Forrer, Donald A.; Wyant, Nancey A.; Gordin, Patricia C.

    2014-01-01

    The conceptual framework for this research describes the processes faculty use to create an online course that meets learning outcomes while creating a positive learning experience for the online student. This involves acceptance of technology to create a course structured for inductive learning in addition to traditional deductive learning. The…

  12. Evaluating a National Science and Technology Program Using the Human Capital and Relational Asset Perspectives

    Science.gov (United States)

    Hung, Chia-Liang; Chou, Jerome Chih-Lung; Roan, Hung-Wei

    2010-01-01

    The purpose of this research is to evaluate the performance of the National Science and Technology Program (NSTP) by targeting the Taiwan National Telecommunication Program (NTP) initiated in 1998. The Taiwan telecommunications industry has prospered, currently occupying key positions in global markets even though NTP seldom contributes positively…

  13. Foucauldian Critique of Positive Education and Related Self-Technologies: Some Problems and New Directions

    Science.gov (United States)

    Reveley, James

    2015-01-01

    By focusing on positive education, this article draws out the educational implications of Binkley's Foucauldian critique of neoliberal subjects being pressured to learn how to manage their emotions. From the latter author's perspective, positive education self-technologies such as school-based mindfulness training can be construed as functioning…

  14. Quantum mechanics in an evolving Hilbert space

    Science.gov (United States)

    Artacho, Emilio; O'Regan, David D.

    2017-03-01

    Many basis sets for electronic structure calculations evolve with varying external parameters, such as moving atoms in dynamic simulations, giving rise to extra derivative terms in the dynamical equations. Here we revisit these derivatives in the context of differential geometry, thereby obtaining a more transparent formalization, and a geometrical perspective for better understanding the resulting equations. The effect of the evolution of the basis set within the spanned Hilbert space separates explicitly from the effect of the turning of the space itself when moving in parameter space, as the tangent space turns when moving in a curved space. New insights are obtained using familiar concepts in that context such as the Riemann curvature. The differential geometry is not strictly that for curved spaces as in general relativity, a more adequate mathematical framework being provided by fiber bundles. The language used here, however, will be restricted to tensors and basic quantum mechanics. The local gauge implied by a smoothly varying basis set readily connects with Berry's formalism for geometric phases. Generalized expressions for the Berry connection and curvature are obtained for a parameter-dependent occupied Hilbert space spanned by nonorthogonal Wannier functions. The formalism is applicable to basis sets made of atomic-like orbitals and also more adaptative moving basis functions (such as in methods using Wannier functions as intermediate or support bases), but should also apply to other situations in which nonorthogonal functions or related projectors should arise. The formalism is applied to the time-dependent quantum evolution of electrons for moving atoms. The geometric insights provided here allow us to propose new finite-difference time integrators, and also better understand those already proposed.

  15. Trust, Perceived Risk, Perceived Ease of Use and Perceived Usefulness as Factors Related to mHealth Technology Use.

    Science.gov (United States)

    Schnall, Rebecca; Higgins, Tracy; Brown, William; Carballo-Dieguez, Alex; Bakken, Suzanne

    2015-01-01

    Mobile technology use is nearly ubiquitous which affords the opportunity for using these technologies for modifying health related behaviors. At the same time, use of mobile health (mHealth) technology raises privacy and security concerns of consumers. The goal of this analysis was to understand the perceived ease of use, usefulness, risk and trust that contribute to behavioral intention to use a mobile application for meeting the healthcare needs of persons living with HIV (PLWH). To understand these issues, we conducted focus group sessions with 50 persons living with HIV and 30 HIV healthcare providers. We used the e-commerce acceptance model to analyze our focus group data. Findings from the study demonstrated the need for mHealth to be perceived as useful, easy to use, with little perceived risk accompanied by a measure of trust in the creators of the technology. Findings from this work can inform future work on patients and providers' perceptions of risk, trust, ease of use and usefulness of mHealth technology.

  16. Trust, Perceived Risk, Perceived Ease of Use and Perceived Usefulness as Factors Related to mHealth Technology Use

    Science.gov (United States)

    Schnall, Rebecca; Higgins, Tracy; Brown, William; Carballo-Dieguez, Alex; Bakken, Suzanne

    2017-01-01

    Mobile technology use is nearly ubiquitous which affords the opportunity for using these technologies for modifying health related behaviors. At the same time, use of mobile health (mHealth) technology raises privacy and security concerns of consumers. The goal of this analysis was to understand the perceived ease of use, usefulness, risk and trust that contribute to behavioral intention to use a mobile application for meeting the healthcare needs of persons living with HIV (PLWH). To understand these issues, we conducted focus group sessions with 50 persons living with HIV and 30 HIV healthcare providers. We used the e-commerce acceptance model to analyze our focus group data. Findings from the study demonstrated the need for mHealth to be perceived as useful, easy to use, with little perceived risk accompanied by a measure of trust in the creators of the technology. Findings from this work can inform future work on patients and providers’ perceptions of risk, trust, ease of use and usefulness of mHealth technology. PMID:26262094

  17. Information technology - Telecommunications and information exchange between systems - Elements of management information related to OSI transport layer standards; Amendment 1: NCMS Management; Technical Corrigendum 1

    CERN Document Server

    International Organization for Standardization. Geneva

    1994-01-01

    Information technology - Telecommunications and information exchange between systems - Elements of management information related to OSI transport layer standards; Amendment 1: NCMS Management; Technical Corrigendum 1

  18. When means become ends: technology producing values

    Directory of Open Access Journals (Sweden)

    Bjørn Hofmann

    2006-10-01

    Full Text Available Technology has become the symbol of our culture. The claim that we are subject to a technological imperative is therefore a fundamental cultural critique: we do not control technology, rather technology controls us. An alternative way to formulate this is to claim that technology cannot be “made down” when it is made up; we just have to make the best of it. Accordingly, it has been argued that technology has evolved from being merely a means to becoming an end in itself. This article investigates this claim by analyzing the relationship between technology and values. The examples stem from the technologies of medicine and weapons because they clarify this relationship. It is argued that technology relates to values in two ways. Technology both raises general questions about values and it is value-laden due to its very function. However, although technology is value-laden, it does not necessarily give an imperative mandate. One reason for this lies in our responsibility. We are inevitably responsible for all aspects of technology, i.e. development, construction, production, commercialization, implementation, and use. Referring to a technological imperative to explain and defend our decisions with respect to technology constitutes an unjustified renunciation of our own responsibility. Hence, the article tries to underscore our responsibility by developing a technological axiology.

  19. The science, technology and mission design for the Laser Astrometric test of relativity

    Science.gov (United States)

    Turyshev, Slava G.

    2006-01-01

    The Laser Astrometric Test of Relativity (LATOR) is a Michelson-Morley-type experiment designed to test the Einstein's general theory of relativity in the most intense gravitational environment available in the solar system - the close proximity to the Sun.

  20. Wall Street's assessment of plastic surgery--related technology: a clinical and financial analysis.

    Science.gov (United States)

    Krieger, L M; Shaw, W W

    2000-02-01

    Many plastic surgeons develop technologies that are manufactured by Wall Street-financed companies. Others participate in the stock market as investors. This study examines the bioengineered skin industry to determine whether it integrates clinical and financial information as Wall Street tenets would predict, and to see whether the financial performance of these companies provides any lessons for practicing plastic surgeons. In efficient markets, the assumptions on which independent financial analysts base their company sales and earnings projections are clinically reasonable, the volatility of a company's stock price does not irrationally differ from that of its industry sector, and the buy/sell recommendations of analysts are roughly congruent. For the companies in this study, these key financial parameters were compared with a benchmark index of 69 biotech companies of similar age and annual revenues (Student's t test). Five bioengineered skin companies were included in the study. Analysts estimated that each company would sell its product to between 24 and 45 percent of its target clinical population. The average stock price volatility was significantly higher for study companies than for those in the benchmark index (p cycle of poor clinical correlation when assigning sales projections, which in turn leads to price volatility and discordance of buy/sell recommendations. This study's findings have implications for plastic surgeons who develop new technology or who participate in the equities markets as investors. Plastic surgeons who develop new medical devices or technology cannot universally depend on the market to drive clinically reasonable financial performance. Although inflated sales estimates have benefits in the short term, failure to meet projections exacts severe financial penalties. Plastic surgeons who invest in the stock market, because of their unique clinical experience, may sometimes be in the position to evaluate new technologies and

  1. A Novel Parallel Engraving Machine Based on 6-PUS Mechanism and Related Technologies

    OpenAIRE

    Ling-fu, Kong; Shi-hui, Zhang

    2005-01-01

    A novel parallel engraving machine is proposed and its some key technologies are studied in this paper. Based on the confirming of mechanism type, a group of mechanisms are obtained by changing the sizes of engraving machine. Performance indices are analyzed by considering both the first and the second order influence coefficient matrix of different sample point in every mechanism's workspace, then mechanism's sizes better for both kinematics and dynamics are achieved, so the theory basis for...

  2. When Shall I Tell? Relational Promotion and Timing of Information Technology Diffusion

    OpenAIRE

    Gibbons, Deborah; Butler, Brian; Boss, Scott

    2004-01-01

    This study adds to existing knowledge about information technology diffusion within organizations by examining the effects of social embeddedness on behavior of individual diffusers. Building on a social capital perspective of relationships, the authors theorize that individuals make intentional decisions to promote or suppress an innovation contingent on the nature of their relationship(s) with the potential adopters. Hypotheses regarding the likelihood of diffusion of an IT i...

  3. Technology programs and related policies - Impacts on communications satellite business ventures

    Science.gov (United States)

    Greenberg, J. S.

    1985-01-01

    The DOMSAT II stochastic communication satellite business venture financial planning simulation model is described. The specification of business scenarios and the results of several analyses are presented. In particular, the impacts of NASA on-orbit propulsion and power technology programs are described. The effects of insurance rates and self-insurance and of the use of the Space Shuttle and Ariane transportation systems on a typical fixed satellite service business venture are discussed.

  4. Technology programs and related policies - Impacts on communications satellite business ventures

    Science.gov (United States)

    Greenberg, J. S.

    1985-01-01

    The DOMSAT II stochastic communication satellite business venture financial planning simulation model is described. The specification of business scenarios and the results of several analyses are presented. In particular, the impacts of NASA on-orbit propulsion and power technology programs are described. The effects of insurance rates and self-insurance and of the use of the Space Shuttle and Ariane transportation systems on a typical fixed satellite service business venture are discussed.

  5. BUSINESS PROFESSIONALS’ PERCEPTIONS RELATED TO THE INFLUENCE OF INFORMATION TECHNOLOGY IN INDIVIDUAL WORK

    Directory of Open Access Journals (Sweden)

    Ricardo Adriano Antonelli

    2013-04-01

    Full Text Available According to the literature, much has been said about the impact of IT in organizations, but little about its impact on the individual. This study aims to identify IT benefits in individual work, choosing as a proxy some post-graduation “latu sensu” students, from a federal university in the south of Brazil. For data collecting, a questionnaire based on studies of Torkzadeh and Doll (1999 and Pereira (2003 has been prepared. Torkzadeh and Doll dealt with the process of working; Pereira, by using the four phases of decision making . The final instrument, after being validated and tested, amounted to 21 questions to detect the potential benefits of IT. The results demonstrated that users are satisfied, by pointing an average of 2.69 on a scale of "1" (little satisfied to "5" (very much satisfied. The framework, work process, got an overall average [2.82]. Managerial control [3.10] and productivity [3.06] had the highest ratings; innovation [2.34], the lowest one. Technologies fully implemented had greater satisfaction in all constructs of the survey with statistically significant differences. Such differences were also proven in the IT solutions that use ERP technology, the best-evaluated one. When comparing age, it was found that younger users were more satisfied with the benefits of technology. As concerning the number of employees, small business users were less satisfied with IT.

  6. Future yields assessment of bioenergy crops in relation to climate change and technological development in Europe

    Directory of Open Access Journals (Sweden)

    Salvatore L. Cosentino

    2012-05-01

    Full Text Available Bioenergy crops are expected to play an important role in reducing CO2 emission, in energy supply and in European energy policy. However, a sustainable bioenergy supply must be resilient to climate change and the impacts on agriculture at both global and regional scale. The purpose of this study was to forecast the potential distribution of several bioenergy crops based on agronomic and environmental constrains under current conditions and future scenarios (2020 and 2030 in European Union. Potential biomass yield, according to the category end use product achievable in each environmental zone of Europe at present and in the future available land have been also studied. Future yields were assessed according to two factors: technological development and climate change: the former was based on prospect of DG-Agriculture for conventional crops and expert judgments for bioenergy crops, while the latter based on relevant research papers and literature reviews which used site-specific crop growth models. Yields are expected to increase in northern Europe due to climate change and technological development, while in southerneastern Europe the negative effect of climate change will be mitigated by the technological development. The estimated total biomass production in Europe, on the basis of future yields and surplus land made available for energy crops, may not be sufficient to meet the needs of bioenergy supply as claimed in the European directive 2009/28/EC.

  7. A Perspective for Developing Strategies for Utilizing New Communication Technologies in Public Relations Programs.

    Science.gov (United States)

    Ledingham, John A.; Masel-Walters, Lynne

    Based on a definition of public relations that recognizes the field as a purposeful management function, this paper provides a perspective on public relations to help practitioners develop strategies for the use of new media forms in public relations programs. The paper begins with a historical review of mass media effects research and proceeds…

  8. Social networks: Evolving graphs with memory dependent edges

    Science.gov (United States)

    Grindrod, Peter; Parsons, Mark

    2011-10-01

    The plethora of digital communication technologies, and their mass take up, has resulted in a wealth of interest in social network data collection and analysis in recent years. Within many such networks the interactions are transient: thus those networks evolve over time. In this paper we introduce a class of models for such networks using evolving graphs with memory dependent edges, which may appear and disappear according to their recent history. We consider time discrete and time continuous variants of the model. We consider the long term asymptotic behaviour as a function of parameters controlling the memory dependence. In particular we show that such networks may continue evolving forever, or else may quench and become static (containing immortal and/or extinct edges). This depends on the existence or otherwise of certain infinite products and series involving age dependent model parameters. We show how to differentiate between the alternatives based on a finite set of observations. To test these ideas we show how model parameters may be calibrated based on limited samples of time dependent data, and we apply these concepts to three real networks: summary data on mobile phone use from a developing region; online social-business network data from China; and disaggregated mobile phone communications data from a reality mining experiment in the US. In each case we show that there is evidence for memory dependent dynamics, such as that embodied within the class of models proposed here.

  9. Biomimetic molecular design tools that learn, evolve, and adapt

    Science.gov (United States)

    2017-01-01

    A dominant hallmark of living systems is their ability to adapt to changes in the environment by learning and evolving. Nature does this so superbly that intensive research efforts are now attempting to mimic biological processes. Initially this biomimicry involved developing synthetic methods to generate complex bioactive natural products. Recent work is attempting to understand how molecular machines operate so their principles can be copied, and learning how to employ biomimetic evolution and learning methods to solve complex problems in science, medicine and engineering. Automation, robotics, artificial intelligence, and evolutionary algorithms are now converging to generate what might broadly be called in silico-based adaptive evolution of materials. These methods are being applied to organic chemistry to systematize reactions, create synthesis robots to carry out unit operations, and to devise closed loop flow self-optimizing chemical synthesis systems. Most scientific innovations and technologies pass through the well-known “S curve”, with slow beginning, an almost exponential growth in capability, and a stable applications period. Adaptive, evolving, machine learning-based molecular design and optimization methods are approaching the period of very rapid growth and their impact is already being described as potentially disruptive. This paper describes new developments in biomimetic adaptive, evolving, learning computational molecular design methods and their potential impacts in chemistry, engineering, and medicine. PMID:28694872

  10. 人工智能技术中计算机相关技术的运用解析%The use of artificial intelligence technology to resolve computer-related technology

    Institute of Scientific and Technical Information of China (English)

    金鑫

    2016-01-01

    随着我国科学技术的迅猛发展,人工智能技术也在许多领域得到了应用。而计算机相关技术作为人工智能技术的重要技术支撑,其在人工智能技术中的应用对于技术更新以及系统升级具有重要的作用。本文从人工智能技术中计算机相关技术的发展历程出发,对人工智能技术中计算机相关技术的发展方向进行了探究,并探讨了计算机人工智能技术的应用。%With therapid development of China's science and technology,Artificial intelligence technology also has been applied in many fields.And computer-related technology as artificial intelligence technology, an important technical support,Its application in artificial intelligence technology for technology updates and system upgrades an important role.From artificial intelligence technology in computer-related technology development process starting,Artificial intelligence technology in the development direction of computer-related technology has been explored,And explores the application of computer technology, artificial intelligence.

  11. Emergent spacetime in stochastically evolving dimensions

    Directory of Open Access Journals (Sweden)

    Niayesh Afshordi

    2014-12-01

    Full Text Available Changing the dimensionality of the space–time at the smallest and largest distances has manifold theoretical advantages. If the space is lower dimensional in the high energy regime, then there are no ultraviolet divergencies in field theories, it is possible to quantize gravity, and the theory of matter plus gravity is free of divergencies or renormalizable. If the space is higher dimensional at cosmological scales, then some cosmological problems (including the cosmological constant problem can be attacked from a completely new perspective. In this paper, we construct an explicit model of “evolving dimensions” in which the dimensions open up as the temperature of the universe drops. We adopt the string theory framework in which the dimensions are fields that live on the string worldsheet, and add temperature dependent mass terms for them. At the Big Bang, all the dimensions are very heavy and are not excited. As the universe cools down, dimensions open up one by one. Thus, the dimensionality of the space we live in depends on the energy or temperature that we are probing. In particular, we provide a kinematic Brandenberger–Vafa argument for how a discrete causal set, and eventually a continuum (3+1-dim spacetime along with Einstein gravity emerges in the Infrared from the worldsheet action. The (3+1-dim Planck mass and the string scale become directly related, without any compactification. Amongst other predictions, we argue that LHC might be blind to new physics even if it comes at the TeV scale. In contrast, cosmic ray experiments, especially those that can register the very beginning of the shower, and collisions with high multiplicity and density of particles, might be sensitive to the dimensional cross-over.

  12. Emergent spacetime in stochastically evolving dimensions

    Energy Technology Data Exchange (ETDEWEB)

    Afshordi, Niayesh [Perimeter Institute for Theoretical Physics, 31 Caroline St. N., Waterloo, ON, N2L 2Y5 (Canada); Department of Physics and Astronomy, University of Waterloo, Waterloo, ON, N2L 3G1 (Canada); HEPCOS, Department of Physics, SUNY at Buffalo, Buffalo, NY 14260-1500 (United States); Stojkovic, Dejan, E-mail: ds77@buffalo.edu [Perimeter Institute for Theoretical Physics, 31 Caroline St. N., Waterloo, ON, N2L 2Y5 (Canada); HEPCOS, Department of Physics, SUNY at Buffalo, Buffalo, NY 14260-1500 (United States)

    2014-12-12

    Changing the dimensionality of the space–time at the smallest and largest distances has manifold theoretical advantages. If the space is lower dimensional in the high energy regime, then there are no ultraviolet divergencies in field theories, it is possible to quantize gravity, and the theory of matter plus gravity is free of divergencies or renormalizable. If the space is higher dimensional at cosmological scales, then some cosmological problems (including the cosmological constant problem) can be attacked from a completely new perspective. In this paper, we construct an explicit model of “evolving dimensions” in which the dimensions open up as the temperature of the universe drops. We adopt the string theory framework in which the dimensions are fields that live on the string worldsheet, and add temperature dependent mass terms for them. At the Big Bang, all the dimensions are very heavy and are not excited. As the universe cools down, dimensions open up one by one. Thus, the dimensionality of the space we live in depends on the energy or temperature that we are probing. In particular, we provide a kinematic Brandenberger–Vafa argument for how a discrete causal set, and eventually a continuum (3+1)-dim spacetime along with Einstein gravity emerges in the Infrared from the worldsheet action. The (3+1)-dim Planck mass and the string scale become directly related, without any compactification. Amongst other predictions, we argue that LHC might be blind to new physics even if it comes at the TeV scale. In contrast, cosmic ray experiments, especially those that can register the very beginning of the shower, and collisions with high multiplicity and density of particles, might be sensitive to the dimensional cross-over.

  13. The evolving state of online search for consumer health information.

    Science.gov (United States)

    Hunscher, Dale A

    2008-11-06

    Online search for consumer health information is a public health concern. General-purpose search engines have historically returned health-related query results of dubious relevance and quality. Meanwhile, consumers have become increasingly reliant on and trusting of these engines. General-purpose search engines have attempted to make their interfaces more consumer-friendly with respect to consumer health queries and their results more relevant and trustworthy. We illustrate the characteristics of the evolving health search landscape using network visualization.

  14. Retention factors in relation to organisational commitment in medical and information technology services

    Directory of Open Access Journals (Sweden)

    Jeannette van Dyk

    2012-02-01

    Full Text Available Orientation: Retaining staff with scarce and critical skills in the medical and information technology (IT industry has become a top priority because of skills shortages.Research purpose: The objectives of the study were to investigate empirically: (1 the relationship between employees’ satisfaction with organisational retention factors (measured by the Retention Factors Scale and their organisational commitment (measured by the Organisational Commitment Questionnaire and (2 whether gender, age, race and tenure groups differ significantly in terms of these variables.Motivation for the study: Medical and information technology professionals have specialised and hard to replace skills. They also have strong tendencies to leave their organisations and countries. Understanding the retention factors that will increase their organisational commitment may benefit the organisations who want to retain their valuable talent.Research design, approach and method: The researchers used a cross-sectional survey design to collect data from a purposive sample of 206 staff members who had scarce skills in a South African medical and information technology services company. Correlational and inferential statistics were computed to achieve the objectives.Main findings: The results showed that the participants’ satisfaction with retention factors has a significant relationship with their organisational commitment and that the biographical groups differ significantly in terms of the variables.Practical/managerial implications: The measured retention factors were all associated with human resource management practices that influence employees’ intentions to leave.Contribution/value-add: The results are important to managers who are interested in retaining staff who have scarce skills and provide valuable pointers for designing effective retention strategies.

  15. Chemical Composition of Selected Beetroot Juices in Relation to Beetroot Production System and Processing Technology

    Directory of Open Access Journals (Sweden)

    Renata KAZIMIERCZAK

    2016-12-01

    Full Text Available Market offer of vegetable juices in Europe is growing, and the vegetable species and processing technologies used become more diversified resulting in a large range of juice types. At the same time consumers look for natural and safe products with pro-health properties. The aim of this study was to evaluate the nutritional composition of selected juices based on beetroots coming from different agricultural systems and processed according to different technologies. Research material consisted of conventional and organic juices marketed in Poland, in that pure pressed juices, fermented juice and juices from concentrate, pure and combined with apple or lemon juice. The concentration of vitamin C, organic acids, total and reducing sugars, phenolic acids, flavonoids and betalains has been determined in the juices. All beetroot juices were abundant in betalains, with higher concentrations of these compounds found in pure beetroot juices when compared to juices combined with apple or lemon. Highest concentration of betanin-3-O-glucoside was found in pure conventional juice from concentrate, while highest betanidin content was found in pure organic fermented juice. Highest vitamin C contents were found in pressed organic juices combined with apple and lemon. All juices were abundant in polyphenols, mainly phenolic acids, with highest concentrations of these antioxidants found in conventional pure pressed juice. The study shows that beetroot juices, independently on the beetroot processing technology and agricultural production system, are very valuable products due to the presence of numerous bioactive compounds, especially betalains, in their composition. Therefore beetroot juice consumption should be promoted among consumers.

  16. Conventional recovery : new frac technologies plus better royalty rates revive oil-related activity in Alberta

    Energy Technology Data Exchange (ETDEWEB)

    Chandler, G.

    2010-11-15

    The revolutionary application of hydraulic fracturing to horizontal wellbores took several years to be deployed on a significant scale in Alberta, even though the technology was locally developed, because the province lacked the appropriate fiscal regime to interest investors. The Province put forward revised drilling incentives, which combined with the prospect of drawing more oil out of known conventional oilfields via multi-stage fracs on horizontal wells has spurred activity. The technology can be used for both oil and gas targets but must be adjusted for differences in permeability in the formations, which results in different fracturing properties. The reduced permeability of tight gas formations also requires a frac treatment an order of magnitude greater than for tight oil formations. Different chemicals and proppant are applied to oil and gas targets. Downhole motors developed for horizontal drilling are now being applied to drilling vertical wells because they create a straighter hole. Oil-based mud is used in drilling shales instead of water-based mud because shales often have clays that interact with water. The oil reduces the lifespan of the rubber liners, so rubber compounds that are less susceptible are under development. To complement the efficiencies gained from horizontal fracing, a downhole tool that generates a fluid pulse in the reservoir has been developed. The pulse momentarily expands the rock's pore structure, helping to move fluid through the formation and allowing oil that has never before moved to flow freely. The wave technology is also applicable to remediating wells. 3 figs.

  17. Reliability of genetic networks is evolvable

    Science.gov (United States)

    Braunewell, Stefan; Bornholdt, Stefan

    2008-06-01

    Control of the living cell functions with remarkable reliability despite the stochastic nature of the underlying molecular networks—a property presumably optimized by biological evolution. We ask here to what extent the ability of a stochastic dynamical network to produce reliable dynamics is an evolvable trait. Using an evolutionary algorithm based on a deterministic selection criterion for the reliability of dynamical attractors, we evolve networks of noisy discrete threshold nodes. We find that, starting from any random network, reliability of the attractor landscape can often be achieved with only a few small changes to the network structure. Further, the evolvability of networks toward reliable dynamics while retaining their function is investigated and a high success rate is found.

  18. Quantifying evolvability in small biological networks

    Energy Technology Data Exchange (ETDEWEB)

    Nemenman, Ilya [Los Alamos National Laboratory; Mugler, Andrew [COLUMBIA UNIV; Ziv, Etay [COLUMBIA UNIV; Wiggins, Chris H [COLUMBIA UNIV

    2008-01-01

    The authors introduce a quantitative measure of the capacity of a small biological network to evolve. The measure is applied to a stochastic description of the experimental setup of Guet et al. (Science 2002, 296, pp. 1466), treating chemical inducers as functional inputs to biochemical networks and the expression of a reporter gene as the functional output. The authors take an information-theoretic approach, allowing the system to set parameters that optimise signal processing ability, thus enumerating each network's highest-fidelity functions. All networks studied are highly evolvable by the measure, meaning that change in function has little dependence on change in parameters. Moreover, each network's functions are connected by paths in the parameter space along which information is not significantly lowered, meaning a network may continuously change its functionality without completely losing it along the way. This property further underscores the evolvability of the networks.

  19. Mammals evolve faster on smaller islands.

    Science.gov (United States)

    Millien, Virginie

    2011-07-01

    Island mammals often display remarkable evolutionary changes in size and morphology. Both theory and empirical data support the hypothesis that island mammals evolve at faster rates than their mainland congeners. It is also often assumed that the island effect is stronger and that evolution is faster on the smallest islands. I used a dataset assembled from the literature to test these assumptions for the first time. I show that mammals on smaller islands do indeed evolve more rapidly than mammals on larger islands, and also evolve by a greater amount. These results fit well the theory of an evolutionary burst due to the opening of new ecological opportunities on islands. This evolutionary burst is expected to be the strongest on the smallest islands where the contrast between the island and the mainland environments is the most dramatic.

  20. Metanetworks of artificially evolved regulatory networks

    CERN Document Server

    Danacı, Burçin

    2014-01-01

    We study metanetworks arising in genotype and phenotype spaces, in the context of a model population of Boolean graphs evolved under selection for short dynamical attractors. We define the adjacency matrix of a graph as its genotype, which gets mutated in the course of evolution, while its phenotype is its set of dynamical attractors. Metanetworks in the genotype and phenotype spaces are formed, respectively, by genetic proximity and by phenotypic similarity, the latter weighted by the sizes of the basins of attraction of the shared attractors. We find that populations of evolved networks form giant clusters in genotype space, have Poissonian degree distributions but exhibit hierarchically organized $k$-core decompositions, while random populations of Boolean graphs are typically so far removed from each other genetically that they cannot form a metanetwork. In phenotype space, the metanetworks of evolved populations are super robust both under the elimination of weak connections and random removal of nodes. ...