WorldWideScience

Sample records for assisting apprenticeship cycles

  1. Assisted Cycling Tours

    Science.gov (United States)

    Hollingsworth, Jan Carter

    2008-01-01

    This article discusses Assisted Cycling Tours (ACT), a Westminster, Colorado based 501(c)3, non-profit that is offering the joy of bicycle tours in breathtaking, scenic locations to children and adults with developmental and physical disabilities and their families. ACT was founded by Bob Matter and his son David with a goal of opening up the…

  2. Successful apprenticeships

    CERN Multimedia

    Anaïs Schaeffer

    2012-01-01

    The 2008-2012 group of CERN apprentices has every right to be proud: as their stay at the Laboratory ends, all four have received diplomas. Well done!   Alexandre Savoy (left) and Liridon Agushi (right) at the 2012 UGI award ceremony, 1 November. This year, four young CERN apprentices — Floriane Stauffer, Alexandre Savoy, Laurent Deillon (physics lab technicians) and Liridon Agushi (electronics technician) —  received their diplomas, the Certificat Fédéral de Capacité (CFC). During their 2008-2012 apprenticeship under the supervision of Jean-Marc Bouché, who is responsible for the training of technical apprentices in the HR Department, they were trained by CERN professionals with qualifications in many different areas. Every year, the Geneva Industrial Union (UIG) awards its prizes for the best apprentices who graduate in mechatronics. This year, CERN got two of the prizes. Alexandre Savoy and Liridon Agushi are the hap...

  3. Apprenticeships in success

    CERN Multimedia

    Anaïs Schaeffer

    2013-01-01

    Another perfect record for CERN's Apprenticeship Programme: double diplomas for all this year's graduates!   Maxime Aebischer (4th from left) at the Prix de l’Union industrielle genevoise award ceremony. The prizes were presented by Pierre Lathuilière, UIG apprenticeship officer (far left), and Pierre-François Unger, Geneva state councillor (2nd from left). CERN's apprentices can be proud of themselves yet again. All five of the 2009-2013 students who left CERN in June went away with two diplomas in their pockets: the CFC (Certificat Fédéral de Capacité) and the Maturité professionnelle. We would like to congratulate Melinda Hiltbrand and Sydney Bussard, laboratory technician apprentices, and Maxime Aebischer, Marc-André Duverney and Tanguy Ruggiero, electronics apprentices. Maxime Aebischer, who obtained excellent results throughout his four-year apprenticeship at CERN, was also aw...

  4. Developing Apprenticeships. Briefing Note

    Science.gov (United States)

    Cedefop - European Centre for the Development of Vocational Training, 2014

    2014-01-01

    To reduce high unemployment among their young people, countries are looking to others for help. During the economic downturn, some countries have performed better and youth unemployment has remained relatively low, for example in Germany, the Netherlands and Austria. This has been attributed in part to their apprenticeships or "dual'"…

  5. Apprenticeship: a worthwhile option

    CERN Multimedia

    Laëtitia Pedroso

    2010-01-01

    What better way is there to get good training than by alternating classwork with practical work? This is what CERN offers with its long-standing apprenticeship training programme, which this year again saw two young participants win awards from the Union industrielle genevoise (UIG).   Graduation ceremony at ARENA. If you think you’ve seen this story before, that’s because you have: for several years now, CERN's apprentices have been awarded the UIG prize. The apprenticeship training programme is intended for young people aged between 15 and 21. It runs over four years and is available for two trades: electronics technicians and physics laboratory technicians (see box). This year, once again, the programme proved its mettle. Each year, prizes are awarded to the best apprentices in the canton of Geneva at a special ceremony at which the 1 700 apprentices get their CFC (Certificat fédéral de capacité) diplomas. Despite its formal nature&...

  6. Education and Apprenticeship

    OpenAIRE

    Lazaridis, Nikolaos

    2010-01-01

    The main purpose of education and apprenticeship in ancient Egypt was the training of scribes and of specialist craftsmen. The result of this profession-oriented educational system was restricted accessibility to schooling, most probably favoring male members of the Egyptian elite. Basic education offered in Egyptian local schools consisted of the teaching of language, mathematics, geography, and of other subjects appropriate for the preparation of potential scribes who were destined to work ...

  7. Luteal phase support for assisted reproduction cycles (Review)

    OpenAIRE

    Linden, M.; Buckingham, K.; Farquhar, C; Kremer, J A M; Metwally, M.

    2011-01-01

    BACKGROUND: Progesterone prepares the endometrium for pregnancy by stimulating proliferation in response to human chorionic gonadotropin (hCG), which is produced by the corpus luteum. This occurs in the luteal phase of the menstrual cycle. In assisted reproduction techniques (ART) the progesterone or hCG levels, or both, are low and the natural process is insufficient, so the luteal phase is supported with either progesterone, hCG or gonadotropin releasing hormone (GnRH) agonists. Luteal phas...

  8. Apprenticeship, Vocational Education and CETA

    Science.gov (United States)

    Arpin, Harold T.

    1978-01-01

    Emphasizing Wisconsin's goal to make apprenticeship training available to all CETA (Comprehensive Employment and Training Act) eligible people, the legislative history of Wisconsin's apprenticeship training system and its relationships to the state's vocational, technical, and adult education system and to CETA are explained. (BM)

  9. Apprenticeship at CERN

    CERN Multimedia

    Staff Association

    2016-01-01

    In 1961, based on the finding that the evolution of the labour market created a growing need for qualified staff, a first agreement between the Republic and Canton of Geneva and CERN was signed. One of the objectives of this agreement was the vocational training of young electronics and physics laboratory technicians. CERN, an important stakeholder in the local economy, highlighted with this agreement its willingness to participate in the local social and economic development. The first apprentice arrived at CERN in 1965. In 1971, the apprenticeship centre was created; it now hosts over twenty apprentices in total and welcomes about six new apprentices each year. These apprenticeships are for young people aged between 15 and 21 years, coming from one of the CERN Member States, and having completed their mandatory education, e.g. 11th grade in Switzerland or 3ème in France. The training is divided between working time at CERN and one or two days per week at school (CFPT in Geneva for electronics or ...

  10. Apprenticeship or reflection

    DEFF Research Database (Denmark)

    Dau, Susanne

    2014-01-01

    This case-study investigates the implementation of blended learning in two undergraduate bachelor educations. The main focus is how blended learning affects the knowledge development in these educations. It is stressed, that knowledge development among students as well as in the professions are...... pragmatic approach of mixed method. The empirical data are derived from survey, document analysis, observation studies and focus group interviews of students, lectures, and practitioners. Data are collected in the first half year of the students’ education at a university college in Denmark in the years...... influenced by the periods of vocational training in internship in practice. The professional practitioners role as instructors of students seems to some extend to limit the students access to valuable forms of knowledge if apprenticeship is dismissed. So, the question raised in this paper, is how this causes...

  11. Should Your School Offer Apprenticeship Training?

    Science.gov (United States)

    Lewis, Morgan V.; Stone, James R., III

    2011-01-01

    Apprenticeship is one of several approaches to work-based learning (WBL). Apprenticeships have all the features needed to prepare workers for occupations that require extended study to attain competence. Apprentices begin with relatively simple tasks and progress to those requiring more complex skills. Apprenticeship has had a long history in the…

  12. Evaluation of Functional Electrical Stimulation to Assist Cycling in Four Adolescents with Spastic Cerebral Palsy

    Directory of Open Access Journals (Sweden)

    Ann Tokay Harrington

    2012-01-01

    Full Text Available Introduction. Adolescents with cerebral palsy (CP often have difficulty participating in exercise at intensities necessary to improve cardiovascular fitness. Functional electrical stimulation- (FES- assisted cycling is proposed as a form of exercise for adolescents with CP. The aims of this paper were to adapt methods and assess the feasibility of applying FES cycling technology in adolescents with CP, determine methods of performing cycling tests in adolescents with CP, and evaluate the immediate effects of FES assistance on cycling performance. Materials/Methods. Four participants (12–14 years old; GMFCS levels III-IV participated in a case-based pilot study of FES-assisted cycling in which bilateral quadriceps muscles were activated using surface electrodes. Cycling cadence, power output, and heart rate were collected. Results. FES-assisted cycling was well tolerated (n=4 and cases are presented demonstrating increased cadence (2–43 rpm, power output (19–70%, and heart rates (4-5% and decreased variability (8–13% in cycling performance when FES was applied, compared to volitional cycling without FES assistance. Some participants (n=2 required the use of an auxiliary hub motor for assistance. Conclusions. FES-assisted cycling is feasible for individuals with CP and may lead to immediate improvements in cycling performance. Future work will examine the potential for long-term fitness gains using this intervention.

  13. Another award-winning year for CERN’s apprenticeship training programme

    CERN Multimedia

    Anne Gentil-Beccot

    2015-01-01

    CERN has a long tradition of training apprentices. The Organization’s apprenticeship programme, which is based on the Swiss apprenticeship system, dates back to 1965. Since then, over 200 apprentices have been trained at CERN. Each year, seven or eight apprentice electricians, library assistants and physics laboratory technicians qualify after three or four years of training, depending on the job.   UIG prize ceremony 2014: Angelina Bakker (third from right), apprentice physics laboratory technician at CERN, receives her "Certificat fédéral de capacité". On Tuesday, 25 November 2014, CERN was presented with a prize for being the best apprenticeship training scheme provider in 2014. This prize is awarded each year to eight apprenticeship providers active in the different “vocational categories” in the canton of Geneva. The prizes are awarded by the Geneva Department of Public Education, Culture and Sport (DIP)...

  14. Motorcycle Mechanic: Apprenticeship Course Outline. Apprenticeship and Industry Training. 4912

    Science.gov (United States)

    Alberta Enterprise and Advanced Education, 2012

    2012-01-01

    The graduate of the Motorcycle Mechanic apprenticeship program is a certified journeyperson who will be able to: (1) repair and maintain motorcycles and ATVs which are powered with internal combustion engines; (2) comprehend work orders, technical bulletins and estimates, and relate the information to the job at hand; (3) interpret warranty policy…

  15. Baker: Apprenticeship Course Outline. Apprenticeship and Industry Training. 2412

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2012

    2012-01-01

    The graduate of the Baker apprenticeship program is a certified journeyperson who will be able to: (1) prepare and bake all types of high quality yeast raised products in commercial quantities; (2) produce and decorate various types of cakes, cookies and pastries commonly available in commercial bakeries; (3) use efficiently and safely all hand…

  16. The Returns to Apprenticeship Training

    Science.gov (United States)

    McIntosh, Steven

    2005-01-01

    This paper uses recent data from the UK Labour Force Survey to estimate the wage gains that individuals make on average if they complete an apprenticeship programme. The results suggest gains of around 5-7% for men, but no benefit for women. Further analysis extends the results by considering the returns by age group, by qualification obtained, by…

  17. Apprenticeships for the 21st Century.

    Science.gov (United States)

    Packert, Ginger

    1996-01-01

    Describes an apprenticeship program for high school juniors and seniors at the EHOVE Career Center in Milan, Ohio. Discusses the Federal Committee on Apprenticeships' suggested program components and the Office of Work-Based Learning's program development guidelines. School staff should consider area employment needs, define occupational targets,…

  18. Evaluation of Functional Electrical Stimulation to Assist Cycling in Four Adolescents with Spastic Cerebral Palsy

    OpenAIRE

    McRae, Calum G. A.; Lee, Samuel C. K.; Ann Tokay Harrington

    2012-01-01

    Introduction. Adolescents with cerebral palsy (CP) often have difficulty participating in exercise at intensities necessary to improve cardiovascular fitness. Functional electrical stimulation- (FES-) assisted cycling is proposed as a form of exercise for adolescents with CP. The aims of this paper were to adapt methods and assess the feasibility of applying FES cycling technology in adolescents with CP, determine methods of performing cycling tests in adolescents with CP, and evaluate the im...

  19. Modeling and Simulation of a Desiccant Assisted Brayton Refrigeration Cycle

    OpenAIRE

    Nobrega, Carlos E.L.; Sphaier, Leandro Alcoforado

    2012-01-01

    The phase-out of CFCs has shed a new light over natural refrigerants, which have null global warming potentials. Air would be a natural choice, and although the Brayton cycle usually exhibits a lower coefficient of performance when compared to vapor-compression systems of same capacity, it has been considered in applications other than aircraft cooling. These include gas separation, food processing and preservation, refrigerated containers and train air-conditioning. Price perspectives in the...

  20. An analysis of the practical part of the final apprenticeship examinations at a particular apprenticeship school

    OpenAIRE

    Chvátal, Ivan

    2013-01-01

    Bachelor thesis named "An analysis of the practical part of the final apprenticeship examinations at a particular apprenticeship school" deals with the pros and cons of final exams according to the common final examinations in the context of current labor market demands. Author compares progress and results of the practical part of final examination in regular and alternate date in 2012 in the field of secondary education of apprenticeship certificate 23-68-H/001Automechan...

  1. Describing the apprenticeship of chemists through the language of faculty scientists

    Science.gov (United States)

    Skjold, Brandy Ann

    Attempts to bring authentic science into the K-16 classroom have led to the use of sociocultural theories of learning, particularly apprenticeship, to frame science education research. Science educators have brought apprenticeship to science classrooms and have brought students to research laboratories in order to gauge its benefits. The assumption is that these learning opportunities are representative of the actual apprenticeship of scientists. However, there have been no attempts in the literature to describe the apprenticeship of scientists using apprenticeship theory. Understanding what science apprenticeship looks like is a critical component of translating this experience into the classroom. This study sought to describe and analyze the apprenticeship of chemists through the talk of faculty scientists. It used Lave and Wenger’s (1991) theory of Legitimate Peripheral Participation as its framework, concentrating on describing the roles of the participants, the environment and the tasks in the apprenticeship, as per Barab, Squire and Dueber (2000). A total of nine chemistry faculty and teaching assistants were observed across 11 settings representing a range of learning experiences from introductory chemistry lectures to research laboratories. All settings were videotaped, focusing on the instructor. About 89 hours of video was taken, along with observer field notes. All videos were transcribed and transcriptions and field notes were analyzed qualitatively as a broad level discourse analysis. Findings suggest that learners are expected to know basic chemistry content and how to use basic research equipment before entering the research lab. These are taught extensively in classroom settings. However, students are also required to know how to use the literature base to inform their own research, though they were rarely exposed to this in the classrooms. In all settings, conflicts occurred when student under or over-estimated their role in the learning

  2. The challenges facing young women in apprenticeships

    OpenAIRE

    Fuller, A; Unwin, L

    2014-01-01

    Participation in government-supported apprenticeship programs in the UK is characterized by stereotypical gender imbalances . This chapter draws on secondary data analysis of official statistics on young people?s participation in vocational education and training (VET) and apprenticeship, and evidence from a study of the attitudes of 14- and 15-year-olds in England and Wales to the labor market . The discussion reveals the deep-rooted nature and continuing influence of gendered stereotypes in...

  3. Electrically assisted cycling: A new mode for meeting physical activity guidelines?

    NARCIS (Netherlands)

    Simons, M.; Es, E. van; Hendriksen, I.

    2009-01-01

    PURPOSE: The purpose of this study was to assess the potential of the electrically assisted bicycle (EAB) as a novel tool for meeting the physical activity guidelines in terms of intensity. METHODS: Twelve habitually active adult subjects were requested to cycle a track of 4.3 km at an intensity the

  4. Hats off to CERN's Master of Apprenticeships!

    CERN Multimedia

    2004-01-01

    Roland Gay of the HR Department (at right) recently received a special diploma from the Geneva Industrial Union (UIG). Presented by Carlo Lamprecht, Head of the Department of Economy, Employment and External Affairs of the State of Geneva, the diploma was awarded in recognition of the 199 CERN apprentices Roland has guided through the Certificat Fédéral de Capacité (CFC), an end-of-apprenticeship certificate awarded by the Cantonal authorities. Roland will be retiring in December 2004 after 37 years of service, 32 of which he spent in the role of apprenticeship supervisor.

  5. Drywall Finishing Apprenticeship. Course Outline (C-6).

    Science.gov (United States)

    Lengert, Gerald

    This course outline was prepard to help apprentice drywall installers and teachers of drywall finishing courses to learn or teach the skills necessary for the apprenticeship course in British Columbia. The course outline consists of 11 tracks (units) that cover the following topics: estimating, job inspection, safety, applying bead, filling…

  6. Modern Apprenticeships in English Professional Football

    Science.gov (United States)

    Monk, Des; Olsson, Cliff

    2006-01-01

    Purpose: This paper will examine the two year modern apprenticeship undertaken by trainees in the English professional football industry. Design/methodology/approach: Representatives of seven clubs were interviewed in the summer of 2005; all of them were responsible for youth development in their club. These interviews were the first of what will…

  7. Apprenticeship at the Academy of Music

    Science.gov (United States)

    Nielsen, Klaus

    2006-01-01

    Inspired by studies of apprenticeship and theories of situated learning, this study argues that learning should be understood in relation to ongoing social practice. Using interview material and participant observation studying piano students' learning at the Academy of Music in Aarhus, it describes how transparency and access to the music culture…

  8. Musical Growth through a Singing Apprenticeship.

    Science.gov (United States)

    Merrill, James D.

    2002-01-01

    Discusses the importance of developing second grade student listening, singing, and composing skills. Explores the second-grade singing apprenticeship where students can sing alone, as a group, or listen to other groups. Focuses on teaching singing skills and allowing students to experiment with music. (CMK)

  9. An electrochemical peptide cleavage-based biosensor for matrix metalloproteinase-2 detection with exonuclease III-assisted cycling signal amplification.

    Science.gov (United States)

    Wang, Ding; Yuan, Yali; Zheng, Yingning; Chai, Yaqin; Yuan, Ruo

    2016-05-21

    In this work, an electrochemical peptide biosensor was developed for matrix metalloproteinase-2 (MMP-2) detection by conversion of a peptide cleavage event into DNA detection with exonuclease III (Exo III)-assisted cycling signal amplification. PMID:27054357

  10. Multi-Particle Quantum Szilard Engine with Optimal Cycles Assisted by a Maxwell's Demon

    CERN Document Server

    Cai, C Y; Sun, C P

    2011-01-01

    We present a complete-quantum description of multi-particle Szilard engine which consists of a working substance and a Maxwell's demon. The demon is modeled as a multi-level quantum system with specific quantum control and the working substance consists of identical particles obeying Bose-Einstein or Fermi-Dirac statistics. In this description, a reversible scheme to erase the demon's memory by a lower temperature heat bath is used. We demonstrate that (1) the quantum control of the demon can be optimized for single-particle Szilard engine so that the efficiency of the demon-assisted thermodynamic cycle could reach the Carnot cycle's efficiency; (2) the low-temperature behavior of the working substance is very sensitive to the quantum statistics of the particles and the insertion position of the partition.

  11. Multiparticle quantum Szilard engine with optimal cycles assisted by a Maxwell's demon.

    Science.gov (United States)

    Cai, C Y; Dong, H; Sun, C P

    2012-03-01

    We present a complete-quantum description of a multiparticle Szilard engine that consists of a working substance and a Maxwell's demon. The demon is modeled as a multilevel quantum system with specific quantum control, and the working substance consists of identical particles obeying Bose-Einstein or Fermi-Dirac statistics. In this description, a reversible scheme to erase the demon's memory by a lower-temperature heat bath is used. We demonstrate that (1) the quantum control of the demon can be optimized for a single-particle Szilard engine so that the efficiency of the demon-assisted thermodynamic cycle could reach the Carnot cycle's efficiency and (2) the low-temperature behavior of the working substance is very sensitive to the quantum statistics of the particles and the insertion position of the partition. PMID:22587045

  12. Does Doing an Apprenticeship Pay Off? Evidence from Ghana

    OpenAIRE

    Monk, Courtney; Sandefur, Justin; Teal, Francis

    2008-01-01

    In Ghana there is a highly developed apprenticeship system where young men and women undertake sector-specific private training, which yields skills used primarily in the informal sector. In this paper we use a 2006 urban based household survey with detailed questions on the background, training and earnings of workers in both wage and self-employment to ask whether apprenticeship pays off. We show that apprenticeship is by far the most important institution providing training and is undertak...

  13. Apprenticeship training in Denmark : the impacts of subsidies

    DEFF Research Database (Denmark)

    Westergård-Nielsen, Niels Chr.; Rasmussen, Anders Rue

    1997-01-01

    For years, Denmark has maintained and developed its apprenticeship system which is comparable to the German system. Today, about 40% of the youth cohorts get apprenticeship training. The paper describes the basic functioning of the labour market of apprentices. It is initially shown how the wage...... and unemployment rates of skilled workers who have served an apprenticeship differ from those of non-skilled workers. In recent years there have been periods with serious mismatches between the demand for and the supply of apprenticeships. Through the 80's subsidies were introduced to overcome this...

  14. Education or Training? A Comparative Perspective on Apprenticeships in England

    Science.gov (United States)

    Mazenod, Anna

    2016-01-01

    This paper examines the expansive-restrictive continuum of apprenticeship learning in the context of different education and training systems. It compares the English state-funded apprenticeship programme for young people with the Finnish and the French programmes with a specific focus on access to learning through the programmes. These three…

  15. Pre-Apprenticeships in Three Key Trades. Support Document

    Science.gov (United States)

    Dumbrell, Tom; Smith, Erica

    2007-01-01

    This report looks at whether pre-apprenticeships increase the potential supply of tradespeople, with a special focus on electrotechnology, automotive and engineering students. It found that pre-apprenticeships have been used in Australia for many years and are widely regarded as a valuable strategy for increasing the supply and quality of…

  16. Apprenticeship as a Mode of Learning and Model of Education

    Science.gov (United States)

    Billett, Stephen

    2016-01-01

    Purpose: Apprenticeships are now usually seen as a model of education focused on occupational preparation, albeit manifested in different ways across nation states. However, throughout human history, the majority of occupational preparation has been premised upon apprenticeship as a mode of learning. That is, a preparation arising mainly through…

  17. Transport Refrigeration Technician: Apprenticeship Course Outline. Apprenticeship and Industry Training. 4112

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2012

    2012-01-01

    The graduate of the Transport Refrigeration Technician apprenticeship program is a certified journeyperson who will be able: (1) to diagnose repair, maintain and operate transport refrigeration equipment used to heat or cool the load as well as of diesel engines, APUs and other prime movers; (2) to use tools and equipment in order to carry out…

  18. Power System Electrician: Apprenticeship Course Outline. Apprenticeship and Industry Training. 4609

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2009

    2009-01-01

    The graduate of the Power System Electrician apprenticeship training is a journeyman who will be able to: (1) responsibly do all work tasks expected of a journeyman; (2) supervise, train and coach apprentices; (3) use and maintain hand and power tools to the standards of competency and safety required in the trade; (4) read and interpret drawing,…

  19. Electrician: Apprenticeship Course Outline. Apprenticeship and Industry Training. 0307.2

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2007

    2007-01-01

    The graduate of the Electrician apprenticeship program is a certified journeyperson who will be able to: (1) have a thorough knowledge and understanding of electrical theory and its application to lighting, power and control equipment; (2) layout and install the various electrical circuits in residential, commercial, industrial and institutional…

  20. Heavy Equipment Technician: Apprenticeship Course Outline. Apprenticeship and Industry Training. 1912

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2012

    2012-01-01

    The graduate of the Heavy Equipment Technician apprenticeship program is a certified journeyperson who will be able to: (1) diagnose repair, and maintain by skills and knowledge gained through training and experience any of the working parts of diesel engines as well as the various components of mobile industrial equipment; (2) use, competently,…

  1. Outdoor Power Equipment Technician: Apprenticeship Course Outline. Apprenticeship and Industry Training. 5111.1

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2011

    2011-01-01

    The graduate of the Outdoor Power Equipment Technician apprenticeship program is a certified journeyperson who will be able to: (1) supervise, train and coach apprentices; (2) service, maintain, repair and rebuild outdoor power equipment and outdoor power equipment accessories; (3) communicate clearly with customers, staff, suppliers, as required;…

  2. Landscape Gardener: Apprenticeship Course Outline. Apprenticeship and Industry Training. 4711.1

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2011

    2011-01-01

    The graduate of the Landscape Gardener apprenticeship program is a certified journeyperson who will be able: (1) apply the principles and processes of landscape design and construction; (2) construct and install landscape structures and other accessories of various materials; (3) estimate and handle orders of plant and related materials; (4) plan…

  3. Refrigeration and Air Conditioning Mechanic: Apprenticeship Course Outline. Apprenticeship and Industry Training. 1411.2

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2011

    2011-01-01

    The graduate of the Refrigeration and Air Conditioning Mechanic apprenticeship training is a journeyman who will: (1) supervise, train and coach apprentices; (2) use and maintain hand and power tools to the standards of competency and safety required in the trade; (3) have a thorough knowledge of the principle components of refrigeration systems,…

  4. Automotive Service Technician: Apprenticeship Course Outline. Apprenticeship and Industry Training. 0912

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2012

    2012-01-01

    The graduate of the Automotive Service Technician apprenticeship program is a certified journeyperson who will be able to: (1) repair, maintain and overhaul or modify a motor vehicle; (2) comprehend work orders, technical bulletins and estimates, and relate the information to the job at hand; (3) interpret warranty policy in terms of service…

  5. Natural Gas Compression Technician: Apprenticeship Course Outline. Apprenticeship and Industry Training. 5311.1

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2011

    2011-01-01

    The graduate of the Natural Gas Compression Technician apprenticeship program is a certified journeyperson who will be able to install, commission, maintain and repair equipment used to gather store and transmit natural gas. Advanced Education and Technology has prepared this course outline in partnership with the Natural Gas Compression…

  6. Lather-Interior Systems Mechanic: Apprenticeship Course Outline. Apprenticeship and Industry Training. 1709

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2009

    2009-01-01

    The graduate of the Lather-Interior Systems Mechanic apprenticeship program is a certified journeyperson who will be able to: (1) know the characteristics and understand the actions and interactions of Lathing and Interior Systems Mechanic materials; (2) interpret plans and specifications and layout and develop projects accordingly; (3) calculate…

  7. Dark Apprenticeships: The Novels of John Irving

    OpenAIRE

    Fentem, Matthew A.

    2010-01-01

    What explains readers’ continued fascination with the novels of John Irving? How does Irving blend storytelling inspired by the likes of Charles Dickens and Thomas Hardy with the harsh realities of the 20th and 21st centuries? Is such a thing even possible, or only a fool’s errand? Dark Apprenticeships explores Irving’s evolution as a significant American author, his overall contribution, and key motifs in his writing – which range from examinations of the art of storytelling itself, to the s...

  8. Apprenticeship effect on a neural network

    International Nuclear Information System (INIS)

    Utilization of a neural network for determining the value of the impact parameter in heavy ion reactions is a two stage process: a apprenticeship stage followed by a utilization stage. During the first stage one determines the network parameters by means of a trial game for which the inputs and outputs are known. To realize the trial game a numerical simulation code was used. In order to estimate the biases of this procedure we generated trial games by resorting to two different models: a transport dynamical model (QMD) coupled to a deexcitation code (GEMINI) and a event generator based on a statistical approach (EUGENE). The procedure was applied to determine the impact parameter in 40 Ca + 40 Ca reactions. The effect of the model dependence of the apprenticeship procedure is studied thoroughly. In the two cases the outputs provided by the network are smaller then 7 fm which can be expected in case of complete events. The network trained with QMD gives outputs for input parameters within a larger range of values which is due to the fact that EUGENE does not contain 'Deep Inelastic'

  9. The Effect of Intercourse around Embryo Transfer on Pregnancy Rate in Assisted Reproductive Technology Cycles

    Directory of Open Access Journals (Sweden)

    Nasim Tabibnejad

    2009-01-01

    Full Text Available Background: Implantation failure is the most important cause of recurrent in vitro fertilization/intracytoplasmic sperm injection (IVF/ICSI failure. Several reports suggest that intercourse during theperitransfer period might improve pregnancy rates. This study is designed to determine whetherintercourse during the peritransfer period will improve pregnancy and implantation rates in patientsundergoing IVF or ICSI.Materials and Methods: In a randomized control trial study, 390 women with at least five yearsinfertility were evaluated. In the study group, 195 patients had intercourse at least once 12 hours afterembryo transfer. Implantation and clinical pregnancy rates were compared with 195 patients in thecontrol group who had no intercourse for the entire assisted reproductive technology (ART cycle.Results: Implantation rate in the study group was 6.5% in comparison with 5.5% for the controlgroup. Clinical pregnancy rates were not significantly higher in study patients when compared tothe control group (14.2% and 11.7% respectively.Conclusion: The results showed that intercourse during the peritransfer period can not increasepregnancy outcome.

  10. From apprenticeship to higher vocational education in Denmark

    DEFF Research Database (Denmark)

    Jørgensen, Christian Helms

    2016-01-01

    education. The purpose of this article is to examine this problem for apprenticeship in a historical perspective by examining what has been done to solve it, and why the measures taken have not been very successful. The article builds on a combination of policy studies, an analysis of the linkages between....... Thirdly, it examines the historical development of higher vocational education as an educational sub-system, which includes an analysis of the academisation of the applied engineering programme. Lastly, it examines the transition rates from apprenticeship to higher education during the last decades. This......Upper secondary vocational education in Denmark is based on the apprenticeship model, which is recognised as a valuable route to employment for young people who are not aiming for higher education. However, the apprenticeship model has a major weakness: it does not provide eligibility for higher...

  11. The Southampton Skills Development Zone apprenticeship: research report

    OpenAIRE

    Fuller, Alison; Rizvi, Sadaf

    2012-01-01

    1. An apprenticeship scheme developed by SSDZ has been an innovative attempt by the four public sector employers represented on the SSDZ Board to work with partners to create new training and employment opportunities for local unemployed 18 to 25 year olds. A team from the LLAKES research centre undertook research into the scheme from August 2010 to December 2011. The research aims included: • To develop an evidence base about the apprenticeship scheme, with information on the numbers sta...

  12. Mobility across firms and occupations among graduates from apprenticeship

    OpenAIRE

    Fitzenberger, Bernd; Licklederer, Stefanie; Zwiener, Hanna

    2015-01-01

    Distinguishing carefully between mobility across firms and across occupations, this study provides causal estimates of the wage effects of mobility among graduates from apprenticeship in Germany. Our instrumental variables approach exploits variation in regional labor market characteristics. Pure firm changes and occupation-and-job changes after graduation from apprenticeship result in average wage losses, whereas an occupation change within the training firm results in persistent wage gains....

  13. Finding an apprenticeship: hidden curriculum and social consequences

    OpenAIRE

    Goastellec, Gaële; Ruiz, Guillaume

    2015-01-01

    In Switzerland, the majority of students are oriented toward professional training after compulsory schooling. At this stage, one of the biggest challenges for them is to find an apprenticeship position. Matching supply and demand is a complex process that not only excludes some students from having direct access to professional training but also forces them to make early choices regarding their future sector of employment. So, how does one find an apprenticeship? And what do the students’ de...

  14. Apprenticeships at CERN: a host of awards

    CERN Multimedia

    2009-01-01

    This year again, two CERN apprentices have received awards at the end of their training. CERN’s broad range of technical skills means that it can provide training in a wide variety of trades and professions. Denis Fernier receives congratulations from Pierre-François Unger, Counsel state of the canton of Geneva in charge of the department of economics and health. Denis Fernier and Coralie Husi (right) at the prize-giving ceremony of the Union Industrielle de Genève.Every year, CERN hosts six technical apprentices for a four-year period: three electronics technicians and three physics lab technicians. And every year, at the end of their apprenticeships, one or more of them receives an award for being among the best apprentices in Geneva. On 23 September, two young apprentices were honoured by the Union industrielle genevoise (UIG) on passing their exams: Coralie Husi, a physics lab apprentice...

  15. CERN's technical apprentices during their apprenticeships

    CERN Multimedia

    Adrian Billet

    2004-01-01

    CERN starting training apprentices in 1966 at the request of the Geneva authorities. The programme was consolidated with the opening of the training centre in 1971. In recent years CERN has taken on seven new technical apprentices each year (four in electronics, three in physics laboratory work), plus one or two administrative apprentices, such that there always are around 30 apprentices in total at CERN. The programme is highly regarded in Geneva by the authorities, industry, schools and young people, and contributes very positively to CERN's local image. Since the beginning 160 young people have now successfully completed their apprenticeships at CERN. Unlike some other employers, as a general rule CERN does not take on its ex-apprentices as staff; on completing their years at CERN the apprentices usually go on to higher education or are sought after by other employers.

  16. Finding an apprenticeship: hidden curriculum and social consequences.

    Science.gov (United States)

    Goastellec, Gaële; Ruiz, Guillaume

    2015-01-01

    In Switzerland, the majority of students are oriented toward professional training after compulsory schooling. At this stage, one of the biggest challenges for them is to find an apprenticeship position. Matching supply and demand is a complex process that not only excludes some students from having direct access to professional training but also forces them to make early choices regarding their future sector of employment. So, how does one find an apprenticeship? And what do the students' descriptions of their search for apprenticeships reveal about the institutional determinants of social inequalities at play in the system? Based on 29 interviews conducted in 2014 with 23 apprentices and 6 recruiters in the Canton of Vaud, this article interrogates how the dimensions of educational and social trajectories combine to affect access to apprenticeships and are accentuated by recruiters using a "hidden curriculum" during the recruitment process. A hidden curriculum consists of knowledge and skills not taught by the educational institution but which appear decisive in obtaining an apprenticeship. By analyzing the contrasting experiences of students in their search for an apprenticeship, we identify four types of trajectories that explain different types of school-to-apprenticeship transitions. We show how these determinants are reinforced by the "hidden curriculum" of recruitment based on the soft skills of feeling, autonomy, anticipation, and reflexivity that are assessed in the context of recruitment interactions. The discussion section debates how the criteria that appear to be used to identify the "right apprentice" tend to (re)produce inequalities between students. This not only depends on their academic results but also on their social and cultural skills, their ability to anticipate their choices and, more widely, their ability to be a subject in their recruitment search. "The Subject is neither the individual, nor the self, but the work through which an

  17. Finding an apprenticeship: The hidden curriculum and its social consequences

    Directory of Open Access Journals (Sweden)

    Gaele eGoastellec

    2015-09-01

    Full Text Available In Switzerland, the majority of students are oriented towards professional training after compulsory schooling. At this stage, one of the biggest challenges for them is to find an apprenticeship position. Matching supply and demand is a complex process that not only excludes some students from having direct access to professional training but also forces them to make early choices regarding their future sector of employment. So, how does one find an apprenticeship? And what do the students’ descriptions of their search for apprenticeships reveal about the institutional determinants of social inequalities at play in the system?Based on 29 interviews conducted in 2014 with 23 apprentices and 6 recruiters in the Canton of Vaud, this article interrogates how the dimensions of educational and social trajectories combine to affect access to apprenticeships and are accentuated by recruiters using a hidden curriculum during the recruitment process. A hidden curriculum consists of knowledge and skills not taught by the educational institution but which appear decisive in obtaining an apprenticeship. By analysing the contrasting experiences of students in their search for an apprenticeship, we identify four types of trajectories that explain different types of school-to-apprenticeship transitions. We show how these determinants are reinforced by the hidden curriculum of recruitment based on the soft skills of feeling, autonomy, anticipation and reflexivity that are assessed in the context of recruitment interactions. The discussion section debates how the criteria that appear to be used to identify the right apprentice tend to (reproduce inequalities between students. This not only depends on their academic results but also on their social and cultural skills, their ability to anticipate their choices and, more widely, their ability to be a subject in their recruitment search. The Subject is neither the individual, nor the self, but the work through

  18. Intergenerational Implications of Immigration Policy on Apprenticeship Training and the Educational Distribution in Canada

    OpenAIRE

    James Ted McDonald; Christopher Worswick

    2013-01-01

    Using the 2006 Canadian census, we analyze the incidence and returns to apprenticeship credentials for immigrant and native-born men in Canada. Both immigrant men who arrived in Canada as children and first-generation Canadian-born men are more likely to have completed an apprenticeship if their father's generation of immigrant men in Canada (from the same source country) have a high probability of apprenticeship completion. The return to an apprenticeship (relative to high school only educat...

  19. Maintaining the Momentum. Alberta Apprenticeship and Industry Training Board, 2002-2003 Annual Report.

    Science.gov (United States)

    Alberta Learning, Edmonton. Apprenticeship and Industry Training.

    Alberta's apprenticeship system offers training in 50 designated trades and 4 designated occupations and includes 40,398 registered apprentices and 11,1984 employers. The main components of Alberta's apprenticeship and training system are as follows: (1) a network of local and provincial apprenticeship committees in the designated occupations; (2)…

  20. National Apprenticeship and Training Standards for Painting and Decorating and Drywall Finishing.

    Science.gov (United States)

    Manpower Administration (DOL), Washington, DC. Bureau of Apprenticeship and Training.

    The booklet presents the ninth edition of the national apprenticeship and training standards developed by the painting and decorating and drywall industry in cooperation with the Department of Labor's Bureau of Apprenticeship and Training. Provisions of national apprenticeship and training standards for painting and decorating and drywall…

  1. Promoting and Expanding Apprenticeship: A Strategic Plan for Preparing America's Work Force of Tomorrow (Phase I).

    Science.gov (United States)

    Employment and Training Administration (DOL), Washington, DC. Office of Work-Based Learning.

    A strategic plan to strengthen and expand the nation's existing apprenticeship system contains three components: apprenticeship promotion and marketing, national registration and tracking system, and quality. Efforts to promote apprenticeship must involve a two-pronged strategy that seeks both to develop new programs and expose potential program…

  2. National Apprenticeship Standards for Cement Masonry, Asphalt, and Composition Trade. Revised.

    Science.gov (United States)

    Employment and Training Administration (DOL), Washington, DC. Bureau of Apprenticeship and Training.

    These national standards are designed to guide local joint apprenticeship and training committees in establishing local apprenticeship programs to train individuals seeking to become skilled in the cement masonry, asphalt, and composition trade. Covered in the individual sections are the following topics: provisions of the apprenticeship standards…

  3. Solar-assisted dual-effect adsorption cycle for the production of cooling effect and potable water

    KAUST Repository

    Ng, K. C.

    2009-05-17

    This paper investigates the performance of a solar-assisted adsorption (AD) cycle which produces two useful effects, namely cooling and desalination, with only a low-temperature heat input such as thermal energy from solar collectors. Heat sources varying from 65 to 80°C can be obtained from 215-m2 flat plate-type solar collectors to regenerate the proposed silica gel-water-based AD cycle. In this paper, both mathematical modelling and experimental results from the AD cycle operation are discussed, in terms of two key parameters, namely specific daily water production (SDWP) and specific cooling capacity (SCC). The experimental results show that the AD cycle is capable of producing chilled water at 7 to 10°C with varying SCC range of 25-35 Rton/tonne of silica gel. Simultaneously, the AD cycle produces a SDWP of 3-5 m3 per tonne of silica gel per day, rendering it as a dual-effect machine that has an overall conversion or performance ratio of 0.8-1.1. © The Author 2009. Published by Oxford University Press. All rights reserved.

  4. Bifurcation structure and noise assisted transitions in the Pleistocene glacial cycles

    DEFF Research Database (Denmark)

    Ditlevsen, Peter

    2009-01-01

    account for the glacial cycles. Here an empirical model of the nonlinear response is presented. From the model it is possible to assess the role of stochastic noise in comparison to the deterministic orbital forcing of the ice ages. The model is based on the bifurcation structure derived from the climate......The glacial cycles are attributed to the climatic response of the orbital changes in the irradiance to the Earth. These changes in the forcing are too small to explain the observed climate variations as simple linear responses. Nonlinear amplifications of the orbital forcing are necessary to...... history. It indicates the dynamical origin of the mid-Pleistocene transition from the "41 ka world'' to the "100 ka world.'' The dominant forcing in the latter is still the 41 ka obliquity cycle, but the bifurcation structure of the climate system is changed. The model suggests that transitions between...

  5. Drywall. Pre-Apprenticeship Phase 2 Training. Student Training Modules.

    Science.gov (United States)

    Moore, Doug

    These 18 Student Training Modules on drywall comprise one of nine sets of self-paced learning modules developed for Pre-Apprenticeship Phase 2 Training. (A companion instructor's guide is available separately as CE 031 573.) The modules are designed to impart trade knowledge and skills to the student. Each module contains some or all of the…

  6. Drywall. Pre-Apprenticeship Phase 1 Training. Instructor's Guide.

    Science.gov (United States)

    Lane Community Coll., Eugene, OR.

    This instructor's guide accompanies the self-paced student training modules on drywall, one of which is available separately as CE 032 887. Introductory materials include a description of the components of the pre-apprenticeship project, a discussion of the teacher's role in conducting the course, and scope and content of the four phases of…

  7. Drywall. Pre-Apprenticeship Phase 2 Training. Instructor's Guide.

    Science.gov (United States)

    Moore, Doug

    This instructor's guide accompanies the self-paced student training modules on drywall available separately as CE 031 574. Introductory materials include a description of the components of the pre-apprenticeship project, discussion of teacher's role in students' completion of the modules, and scope and contents of Phase 2 training. Each of the 18…

  8. National Pattern Standards of Apprenticeship and Training for Electricians.

    Science.gov (United States)

    Associated Independent Electrical Contractors of America, Inc., Austin, TX.

    This manual was prepared to provide interested persons with information concerning the standards and administrative guidelines governing apprenticeship programs for electricians in the United States. These standards provide the basis for on-the-job training programs and classroom job related education leading to the graduation of qualified…

  9. Occupational Safety. Hygiene Safety. Pre-Apprenticeship Phase 1 Training.

    Science.gov (United States)

    Lane Community Coll., Eugene, OR.

    This self-paced student training module on hygiene safety is one of a number of modules developed for Pre-apprenticeship Phase 1 Training. Purpose of the module is to familiarize students with the different types of airborne contaminants--including noise--which may be health hazards and with the proper hygienic measures for dealing with them. The…

  10. National Apprenticeship and Training Standards for Vending Machine Mechanics.

    Science.gov (United States)

    Employment and Training Administration (DOL), Washington, DC.

    This booklet contains national standards for apprentices in vending machine mechanics. The main topic of the booklet, Provisions of Standards, includes the following: definitions of terms used in the booklet, apprenticeship qualifications, a statement on equal opportunity employment, explanation of probation, hours of work, credit for previous…

  11. Apprenticeship in the Instructor-Led Peer Conference

    Science.gov (United States)

    Ching, Kory Lawson

    2011-01-01

    The instructor-led peer conference, a lesser-known approach to peer response involving both students and teachers, affords significant opportunities for collaborative learning and apprenticeship in the teaching of composition. This article uses sociocultural theories of learning to examine video-recorded episodes from two instructor-led peer…

  12. Welding. Pre-Apprenticeship Phase 1 Training. Instructor's Guide.

    Science.gov (United States)

    Lane Community Coll., Eugene, OR.

    This instructor's guide accompanies the self-paced student training modules on welding, three of which are available separately as CE 032 889-891. Introductory materials include a description of the components of the pre-apprenticeship project, a discussion of the teacher's role in conducting the course, and scope and contents of the four phases…

  13. From Apprenticeship to Higher Education: Navigating the Credential Landscape

    Science.gov (United States)

    Dismore, Harriet

    2014-01-01

    The credential landscape of vocational and higher education in the UK has expanded in recent years, alongside a rise in the number of students undertaking qualifications and a steady increase in tuition fees. The transition from an apprenticeship to higher education is one example of the progression from vocational to higher education. However,…

  14. Inhibition of progesterone secretion by oestradiol administered in the luteal phase of assisted conception cycles.

    Science.gov (United States)

    Tay, P Y; Lenton, E A

    2003-06-01

    A prospective randomised study was done to assess the effect of supplemental oestradiol in addition to progesterone on the luteal steroid profiles and pregnancy outcome in stimulated cycles with and without pituitary down regulation. Women undergoing stimulated cycle IVF with GnRH-a and FSH (Group A, n = 63) or stimulated intrauterine insemination using CC and FSH (Group B, n = 55) were studied. These subjects were randomly allocated to receive either 400 mg daily of vaginally administrated Cyclogest (progesterone) alone or in combination with 2 mg daily of oral Oestradiol Valerate (E2V) during the luteal phase. Significant lower concentrations of plasma progesterone were observed in those subjects supplemented with both E2V and progesterone compared to those in whom progesterone only was given during the luteal phase (P process of implantation. PMID:14569738

  15. Developing a model to assist in designing ground vehicular electronic equipment for minimum life cycle cost

    OpenAIRE

    Hubbard, Jeffrey Miller

    1991-01-01

    Life cycle cost (LCC) was studied as a design evaluation function for electronic equipment. Sample equipment data were analyzed to discover cost estimating relationships. Using these relationships and basic cost parameters, a LCC model was developed in the BASIC computer language. The model was exercised to produce output for a variety of hypothetical electronic assemblies and operating environments. The resulting LCC estimates were statistically analyzed, leading t...

  16. Crane and Hoisting Equipment Operator Boom Truck Operator: Apprenticeship Course Outline. Apprenticeship and Industry Training. 34-305.2

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2005

    2005-01-01

    The graduate of the Crane and Hoisting Equipment Operator Boom Truck Operator apprenticeship program is a certified journeyperson who will be able to: (1) responsibly do all work tasks expected of a journeyperson; (2) correctly use and care for tools and materials which are required to carry out the normal service and maintenance of the machines…

  17. Formation of Apprenticeships in the Swedish Education System: Different Stakeholder Perspectives

    Directory of Open Access Journals (Sweden)

    Ingela Andersson

    2015-04-01

    Full Text Available The article explores the major features of the Swedish Government’s new initiative - a school based Upper Secondary Apprenticeship model. The analyses are guided by activity theory. The analysed texts are part of the parliamentary reformmaking process of the 2011 Upper Secondary School reform. The analyses unfold how the Government, the Swedish Trade Union Confederation (LO, and the Confederation of Swedish Enterprise (SN construct Upper Secondary Apprenticeship as an activity in the 21st century. The conclusion highlights how three traditional aspects of Swedish initial vocational education and training (IVET collide in the formation of Upper Secondary Apprenticeship – a curriculum of labour market based apprenticeships, a curriculum of school based IVET, and ill-defined curriculums of school based apprenticeships. The emerging Upper Secondary Apprenticeship curriculum foreshadows multifaceted educational trajectories where the learning targets, and not the responsibility for the student’s learning are displaced from the school to the workplace setting.

  18. Exergoeconomic analysis of a solar-powered/fuel assisted Rankine cycle for power generation

    International Nuclear Information System (INIS)

    A Rankine System assisted for solar radiation and fuel combustion which produces 57 kW electrical power are evaluated from exergoeconomic point of view. The Parabolic trough collector efficiency has been performed to investigate its effect as heat source. The exergoeconomic parameters as the relative cost difference and the exergoeconomic factor for each component are evaluated. The analysis is based on the SPECO (Specific Exergy Costing) approach. The simulation of system on March, June, September and December 21st from 7 am to 4 pm for Natal/Brazil using real data was carried out. The results reveal the daily average values of collector efficiencies, ratio of the useful solar energy, electricity produced, the specific cost per exergy unit of the produced electricity and others heat rates. The system is advantageous for higher solar radiation. The outcome of the analysis can be useful in design, optimization of operating parameters and help to take decision of investment. - Highlights: • As the solar irradiation decreases, the electricity cost per exergy unit increases. • The cost rate is high at collector field due to higher purchase cost. • The system is advantageous when the solar radiation is high. • Further aspect as environmental impact is important

  19. ‘Give courage to the ladies’: expansive apprenticeship for women in rural Malawi

    OpenAIRE

    Safford, Kimberly; Cooper, Deborah; Wolfenden, Freda; Chitsulo, Joyce

    2013-01-01

    Apprenticeship in developed and industrialised nations is increasingly understood as a theory of learning which connects workplace activity and formal study. The concept of ‘expansive apprenticeship’ defines frameworks for workforce development where participants acquire knowledge and skills which will help them in the future as well as in their current roles, whilst ‘restrictive’ apprenticeships limit opportunities for wider, lifelong learning. In developing nations apprenticeship is a tradi...

  20. Improvements in manual dexterity relate to improvements in cognitive planning after assisted cycling therapy (ACT) in adolescents with down syndrome.

    Science.gov (United States)

    Holzapfel, Simon D; Ringenbach, Shannon D R; Mulvey, Genna M; Sandoval-Menendez, Amber M; Cook, Megan R; Ganger, Rachel O; Bennett, Kristen

    2015-01-01

    We have previously reported beneficial effects of acute (i.e., single session) Assisted Cycling Therapy (ACT) on manual dexterity and cognitive planning ability in adolescents with Down syndrome (DS). In the present study, we report the chronic effects of eight weeks of ACT, voluntary cycling (VC), and no cycling (NC), on the same measures in adolescents with DS. Participants completed 8 weeks of ACT, VC, or NC. Those in the ACT and VC groups completed 30min sessions three times per week on a stationary bicycle. During ACT, the mechanical motor of the bicycle augmented the cadence to a rate which was on average 79% faster than the voluntary cadence. During VC, the participants pedaled at a self-selected rate. Unimanual dexterity scores as measured with the Purdue Pegboard test (PPT) improved significantly more for the ACT and VC groups compared to the NC group. ACT lead to greater improvements than VC and NC in the assembly sub-test, which is a task that requires more advanced temporal and spatial processing. The ACT group improved significantly more than the VC group and non-significantly more than the NC group in cognitive planning ability as measured by the Tower of London test (ToL). There were also significant correlations between the assembly subtest of the PPT and all measures of the ToL. These correlations were stronger during post-testing than pre-testing. Pre-post changes in the combined PPT score and ToL number of correct moves correlated positively in the ACT group. These results support the efficacy of the salutary effects of ACT on global fine motor function and executive function in DS. Additionally, the performance on complex bimanual dexterity tasks appears to be related to the capacity of cognitive planning ability. This research has important implications for persons with movement deficits that affect activities of daily living. PMID:26280691

  1. Simulation of a solar assisted combined heat pump – Organic rankine cycle system

    International Nuclear Information System (INIS)

    Highlights: • Addition of an ORC to a solar thermal and ground source heat pump system. • Reverse operation of the scroll compressor in ORC mode. • Annual simulations for application in a single-family house at three locations. • By introducing the ORC the net electricity demand is reduced by 1–9%. • Over the lifetime of the system savings can cover additional investments. - Abstract: A novel solar thermal and ground source heat pump system that harnesses the excess heat of the collectors during summer by an Organic Rankine Cycle (ORC) is simulated. For the ORC the heat pump process is reversed. In this case the scroll compressor of the heat pump runs as a scroll expander and the working fluid is condensed in the ground heat exchanger. Compared to a conventional solar thermal system the only additional investments for the combined system are a pump, valves and upgraded controls. The goal of the study is to simulate and optimize such a system. A brief overview of the applied models and the evolutionary algorithm for the optimization is given. A system with 12 m2 of flat plate collectors installed in a single family house is simulated for the locations Ankara, Denver and Bochum. The ORC benefits add up to 20–140 kW h/a, which reduces the net electricity demand of the system by 1–9%. Overall 180–520 € are saved over a period of 20 years, which can be enough to cover the additional investments

  2. Possibility of integrating pupils with sensory disabilities in apprenticeship

    OpenAIRE

    Vrátníková, Petra

    2014-01-01

    Bachelor thesis with title: " Possibility of integration of pupils with sensory disabilities into apprenticeship" is focused on the issues with students with such disabilities. The pupil on whom I focused in my Bachelor work has a combination of disabilities. These are sensory disability (surdopedic) and mental disability. That is the reason why I also focus on pupils with moderate mental disability. Purpose of my work is to identify the possibility of integration of the pupils with sensory d...

  3. Operating Systems with Blended Extreme Apprenticeship: What Are Students’ Perceptions?

    OpenAIRE

    Gabriella Dodero; Rosella Gennari

    2015-01-01

    Extreme apprenticeship, an emerging learning methodology, has been used in a blended fashion for teaching a technical subject: bash scripting for operating systems. Online learning was first supported with the Moodle platform, and then enhanced with playful videos. How did students perceive learning in such a manner? This paper reports on the design of the blended learning experience for operating systems, and then focusses on the evaluation of learners’ perceptions of it.

  4. Supervisor and Student Co-Writing: An Apprenticeship Perspective

    OpenAIRE

    Wegener, Charlotte; Tanggaard, Lene

    2013-01-01

    This is a story about the creation of a co-authored research article. The purpose is to emphasize co-writing as a significant pedagogic practice within doctoral supervision. Regarding apprenticeship as a pedagogical methodology as well as a theoretical framework makes co-writing more than an output-driven technique for increasing productivity. Becoming a researcher requires intense involvement in real research, and it is difficult to teach somebody how to do it. It entails practice. This prac...

  5. Techno-economic evaluation of a solar assisted combined heat pump – Organic Rankine Cycle system

    International Nuclear Information System (INIS)

    Highlights: • Addition of an ORC to a solar thermal and ground source heat pump system. • Additional investments comprise only 400 € for a single-family house unit. • Recharging the ground during ORC has negligible impact on the COP of the HP. • Economics studied for application in Bochum, Denver and Ankara; only small benefits. • Use of isobutane instead of R134a would increase the profit of the ORC system. - Abstract: The economic feasibility of the addition of an ORC to a combined solar system coupled to a ground-source heat pump is discussed. The ORC prevents the stagnation of the solar loop and reverses the heat pump cycle. The working fluid is evaporated in the condenser of the heat pump, expanded in the scroll compressor, which becomes a scroll expander, and condensed in the brine heat exchanger. The only additional investments for the ORC system comprise a pump, valves and upgraded controls and are estimated to be 400 € for a single-family-house unit. Flat-plate collectors are the preferred collector type as the higher collector efficiency of evacuated tube collectors does not outweigh the higher costs. The thermal recharging of the ground during ORC has a negligible impact on the COP of the heat pump. However, the recharging leads to less deep boreholes compared to a conventional system. Because of the low investments for the ORC, even small reductions in borehole depth make a significant contribution to the economic feasibility of the system. The addition of the ORC overall generates a small profit of 155 € at Ankara and 74 € at Denver for a rocky soil and a thermally enhanced grout. On the contrary, the conventional solar combisystem coupled to a ground source heat pump was found to be economically unreasonable at all locations. The working fluid isobutane is interesting for future applications because of the lower global warming potential and the smaller saturation pressures compared to R134a. The latter allow for the installation of a

  6. Oxide-assisted crack growth in hold-time low-cycle-fatigue of single-crystal superalloys

    Directory of Open Access Journals (Sweden)

    Suzuki Akane

    2014-01-01

    Full Text Available Compressive hold-time low-cycle fatigue is one of the important damage modes in Ni-based superalloy hot-gas path components. In strain controlled LCF, the compressive hold typically degrades fatigue life significantly due to creep relaxation and the resultant generation of tensile stress upon returning to zero strain. Crack initiation typically occurs on the surface, and therefore, the cracks are covered with layers of oxides. Recent finite element modeling based on experimental observations has indicated that the in-plane compressive stress in the alumina layer formed on the surface of the bond coat assists rumpling and, eventually, leads to initiation of cracks. The stress in the oxide layer continues to assist crack extension by pushing the alumina layer along the crack front during the compressive hold. In-situ measurements of the growth strains of alumina were performed using high energy synchrotron X-rays at Argonne National Lab. Specimens of single-crystal superalloys with and without aluminide coatings were statically pre-oxidized to form a layer of alumina at 1093 and 982 ∘C. For the in-situ synchrotron measurements, the specimens were heated up to the pre-oxidation temperatures with a heater. The alumina layers on both bare and coated specimens show compressive in-plane strains at both temperatures. The oxide strains on the superalloys showed dependency on temperature; on the other hand, the oxide strains in the aluminide coatings were insensitive to temperature. The magnitude of the compressive strains was larger on the superalloys than the ones on the aluminide coatings.

  7. Consistency of Practical and Formal Epistemologies of Science Held by Participants of a Research Apprenticeship

    Science.gov (United States)

    Burgin, Stephen R.; Sadler, Troy D.

    2013-01-01

    The purpose of this research was to examine the consistency between students' practical and formal understandings of scientific epistemologies (also known as nature of science (NOS) understandings) in the context of a research apprenticeship program. Six high school student participants of a residential summer research apprenticeship program…

  8. Biotechnology Apprenticeship for Secondary-Level Students: Teaching Advanced Cell Culture Techniques for Research.

    Science.gov (United States)

    Lewis, Jennifer R.; Kotur, Mark S.; Butt, Omar; Kulcarni, Sumant; Riley, Alyssa A.; Ferrell, Nick; Sullivan, Kathryn D.; Ferrari, Mauro

    2002-01-01

    Discusses small-group apprenticeships (SGAs) as a method for introducing cell culture techniques to high school participants. Teaches cell culture practices and introduces advance imaging techniques to solve various biomedical engineering problems. Clarifies and illuminates the value of small-group laboratory apprenticeships. (Author/KHR)

  9. Reading Together: A Summer Family Reading Apprenticeship Program for Delayed and Novice Readers

    Science.gov (United States)

    Knapp, Nancy Flanagan

    2016-01-01

    The Reading Apprenticeship is an intervention that has been shown in previous studies to increase struggling readers, tested reading achievement by 8 to 9 months during a 12 week, in-school program. This article reports on the first study of the Reading Apprenticeship method conducted in the summer using parents, rather than supervised volunteers,…

  10. Apprenticeship in Latin America: The INACAP Program in Chile. A Case Study. Occasional Paper #6.

    Science.gov (United States)

    Corvalan-Vasquez, Oscar E.

    The development of apprenticeship programs in several Latin American countries was investigated with a focus on the results of an industrial apprenticeship program in Santiago, Chile. The program studied was the Instituto Nacional de Capacitacion Profesional (INACAP), the national vocational training institute of Chile. The purpose of the study…

  11. Apprenticeship, Vocational Training, and Early Labor Market Outcomes--Evidence from East and West Germany

    Science.gov (United States)

    Riphahn, Regina T.; Zibrowius, Michael

    2016-01-01

    We study the returns to apprenticeship and vocational training for three early labor market outcomes all measured at age 25 for East and West German youths: non-employment (i.e. unemployment or out of the labor force), permanent fulltime employment, and wages. We find strong positive effects of apprenticeship and vocational training. There are no…

  12. The Role of Materiality in Apprenticeships: The Case of the Suame Magazine, Kumasi, Ghana

    Science.gov (United States)

    Jaarsma, Thomas; Maat, Harro; Richards, Paul; Wals, Arjen

    2011-01-01

    Although the concept of the apprenticeship seems to be universal, its institutional form and status differ around the world. This article discusses informal apprenticeship training as it occurs among car mechanics in the informal industrial complex of the Suame Magazine, Kumasi, Ghana. Using on-site research and theories of social learning and…

  13. Traditional Apprenticeship in West Africa: Recent Evidence and Policy Options. Discussion Paper No. 34.

    Science.gov (United States)

    Fluitman, Fred

    Apprenticeship is the main avenue to self-employment in micro-enterprises and thus a cornerstone of informal sector development in West Africa. Survey results for Ibadan, Lome, Dakar, Niamey, and other cities demonstrate that apprenticeship as practiced by informal sector artisans is often very similar from one country to the next. Dropout rates…

  14. Education in Production Processes: Apprenticeship as a Means of Transition from Education to Work.

    Science.gov (United States)

    Boehm, Ullrich

    1996-01-01

    Many developing countries have tried, with varying results, to adopt the German Dual System of apprenticeship plus vocational training. Country-specific cultural, economic, and social factors affect success. Promoting apprenticeship and adapting the dual system to local structures such as micro-enterprises may present an alternative to vocational…

  15. From Teaching Assistant (TA) Training to Workplace Learning

    Science.gov (United States)

    Korpan, Cynthia

    2014-01-01

    In this paper, I propose a renewed look at how teaching assistants (TAs) are being prepared to fulfill their duties in higher education. I argue that the apprenticeship model of learning that is currently in use be replaced by the more holistic workplace learning approach. Workplace learning theories take into consideration the complexity of the…

  16. Virtual reality a motivation tool for the apprenticeship process

    International Nuclear Information System (INIS)

    This paper reports the results of the computation applications development using virtual reality techniques, teaching purposes and scientific disclosure. The objective is to develop applications that can can facilitate the apprenticeship, using the computational resources that make easy to the students a ludic activity, in a way to improve their involvement with the approached themes, in order to facilitate the absorption their knowledge. The developed application results are presented, with the perspective of their utilization through presentations in laboratories of the two involved institutions

  17. Extended apprenticeship learning in doctoral training and supervision - moving beyond 'cookbook recipes'

    DEFF Research Database (Denmark)

    Tanggaard, Lene; Wegener, Charlotte

    An apprenticeship perspective on learning in academia sheds light on the potential for mutual learning and production, and also reveals the diverse range of learning resources beyond the formal novice-–expert relationship. Although apprenticeship is a well-known concept in educational research, in...... this case apprenticeship offers an innovative perspective on future practice and research in academia allowing more students access to high high-quality research training and giving supervisors a chance to combine their own research with their supervision obligations....

  18. Apprenticeship in Scholarly Publishing: A Student Perspective on Doctoral Supervisors’ Roles

    Directory of Open Access Journals (Sweden)

    Jun Lei

    2015-02-01

    Full Text Available Although a large body of literature has suggested that doctoral supervisors play an important role in their students’ attempts at scholarly publishing, few studies have focused specifically on what roles they play. This study sought to address this gap by zooming in on the various roles a group of Chinese doctoral students found their supervisors playing in their scholarly publishing endeavors. Our analysis revealed four important roles played by the supervisors: ‘prey’ searchers, managers, manuscript correctors and masters. The results showed that the supervisors not only facilitated the doctoral students’ publishing output, but also fostered their apprenticeship in scholarly publishing and the academic community. However, the results also unveiled a general unavailability of sorely-needed detailed and specific guidance on students’ early publishing attempts and some supervisors’ limited ability to correct students’ English manuscripts. These findings underscore the important contributions doctoral supervisors can make to their students’ academic socialization. They also suggest a need for external editorial assistance with doctoral students’ English manuscripts and ample opportunities for their scaffolded initiation into the tacit conventions and practices of scholarly publishing.

  19. Determination Anxiety Level of the Youngsters Studying in Denizli Apprenticeship Training Center

    Directory of Open Access Journals (Sweden)

    Ozgur Metin

    2008-04-01

    Full Text Available AIM/BACKGROUND: This study was carried out as a definitive work in order to determine the anxiety level and self-respect of the students studying in Denizli Apprenticeship Training Center. METHODS: The study population was composed of 1276 individuals registered at Denizli Apprenticeship Training Center. The size of the sample was established to be as 235 individuals considering the formula used in the conditions where the study population was determined but 231 individuals were contacted. Those recruited in the study were chosen with the stratified randomized sampling method. The data were obtained during February-March 2005 in the class via the questionnaire formed by the researcher, the State-Continuous Anxiety Inventory and Coopersmith Self-respect Scale. For the evaluation of the data mean, standard deviation, percentage and quantity estimations, Kruskal-Wallis test, t-test, Mann-Whitney Test and one way ANOVA tests were employed. RESULTS: The mean age of the youngsters recruited in the study was 17.06 1.45. 75.3% of the subjects were male, 33.8% had 4 or more siblings, 79.7% were graduated from middle school and 76.7% were living with their families. Another working individual was present in 87.9% of the subjects. 16.5% of the subjects pointed out that they their master did not provided them assistance for a job they held for the first time whereas 35.5% of the subjects stated that they experienced difficulties in case when they needed license of absence. 40.3% of the students enunciated that they were obliged to do work that strain their power, and 29.9% stated that they were not appreciated. The difference between the sex of the subjects, the education status of their fathers and the anxiety level of the youngsters was found to be significant (p0.05. CONCLUSION: The anxiety level of the females involved in the study and the youngsters whose fathers’ education level was middle school or higher was detected to be greater. [TAF Prev Med

  20. Acute Bouts of Assisted Cycling Improves Cognitive and Upper Extremity Movement Functions in Adolescents with Down Syndrome

    Science.gov (United States)

    Ringenbach, Shannon D. R; Albert, Andrew R.; Chen, Chih-Chia; Alberts, Jay L.

    2014-01-01

    The aim of this study was to examine the effectiveness of 2 modes of exercise on cognitive and upper extremity movement functioning in adolescents with Down syndrome (DS). Nine participants randomly completed 3 interventions over 3 consecutive weeks. The interventions were: (a) voluntary cycling (VC), in which participants cycled at their…

  1. Apprenticeship, Vocational Training and Early Labor Market Outcomes - in East and West Germany

    OpenAIRE

    Regina T. Riphahn; Zibrowius, Michael

    2015-01-01

    We study the returns to apprenticeship and vocational training for three early labor market outcomes all measured at age 25 for East and West German youths: non-employment (i.e., unemployment or out of the labor force), permanent fulltime employment, and wages. We find strong positive effects of apprenticeship and vocational training. There are no significant differences for different types of vocational training, minor differences between East and West Germany and males and females, and no s...

  2. Biotechnology Apprenticeship for Secondary-Level Students: Teaching Advanced Cell Culture Techniques for Research

    OpenAIRE

    Lewis, Jennifer R.; Kotur, Mark S.; Butt, Omar; Kulcarni, Sumant; Riley, Alyssa A.; Ferrell, Nick; Sullivan, Kathryn D.; Ferrari, Mauro

    2002-01-01

    The purpose of this article is to discuss small-group apprenticeships (SGAs) as a method to instruct cell culture techniques to high school participants. The study aimed to teach cell culture practices and to introduce advanced imaging techniques to solve various biomedical engineering problems. Participants designed and completed experiments using both flow cytometry and laser scanning cytometry during the 1-month summer apprenticeship. In addition to effectively and efficiently teaching cel...

  3. An apprenticeship learning hyper-heuristic for vehicle routing in HyFlex

    OpenAIRE

    Asta, Shahriar; Özcan, Ender

    2014-01-01

    Apprenticeship learning occurs via observations while an expert is in action. A hyper-heuristic is a search method or a learning mechanism that controls a set of low level heuristics or combines different heuristic components to generate heuristics for solving a given computationally hard problem. In this study, we investigate into a novel apprenticeship-learning-based approach which is used to automatically generate a hyper-heuristic for vehicle routing. This approach itself can be considere...

  4. Is the German apprenticeship system a panacea for the US labour market?

    OpenAIRE

    Harhoff, Dietmar; Thomas J. Kane

    1995-01-01

    Advocates of apprenticeship programmes often argue as if it is simply a matter of historical accident that such investment by US firms has been hindered. This paper explores the structure of incentives underpinning the German system of apprenticeship training. First, we describe three characteristics of the German labour market that might lead firms to accept part of the cost of general training, even in the face of worker turnover. In the second part of the paper, we compare labour market ou...

  5. Role of Apprenticeships in Combating Youth Unemployment in Europe and the United States

    OpenAIRE

    Natalia Aivazova

    2013-01-01

    Many of the world's advanced economies continue to struggle with sluggish growth and high unemployment, especially among younger workers. One reason for high unemployment in countries such as Greece, Portugal, and Spain is a mismatch between the skills demanded by employers and those available among the population. This mismatch can be addressed in part through the implementation of apprenticeship programs. Boosting apprenticeships could give both European and US workers much-needed skills an...

  6. Apprenticeship in science research: whom does it serve?

    Science.gov (United States)

    Davies, Paul

    2016-02-01

    This article advances the thinking of Thompson, Conaway and Dolan's "Undergraduate students' development of social, cultural, and human capital in a network research experience". Set against a background of change in the biosciences, and participation, it firstly explores ideas of what it means to be a scientist, then challenges the current view of the apprenticeship model of career trajectory, before going onto to consider the nature of participation in communities of practice and issues related to underrepresented minority groups in science. Central to this analysis is the place that the notion of habitus plays in thinking about shaping future scientists and the how this can both support, but also suppress, opportunities for individuals through a maintenance of the status quo.

  7. Entering Modeling Space. An Apprenticeship in Molecular Modeling

    Directory of Open Access Journals (Sweden)

    Carl Trindle

    1999-11-01

    Full Text Available Twenty years ago computer modeling had made its first major impact on the chemist's patterns of thought. Now it is prominent in research and graduate education, and has made its presence felt throughout the undergraduate curriculum. I describe two consultations with chemists specializing in synthesis, by which I intend to illustrate (1 attitudes of novices to the craft; (2 experiences in apprenticeship which include flights of depression, disillusion, and elation; and (3 changes in their judgment of computer modeling as they make it part of their armory of concepts and images. The examples treat aspects of the chemical system not easily incorporated into structural formulas (chirality and even physical models (relative energetics, but which are offered in computer modeling systems with molecular mechanics or quantum mechanical energy estimators. On the way, we can arrive at a notion of the changing value of computer modeling, and its impact on the chemist's frame of mind.

  8. Apprenticeship, education, and technology: Children as oldtimers and newcomers to the culture of learning through design

    Science.gov (United States)

    Ching, Cynthia Carter

    This study deals with the construct of apprenticeship, a well-documented phenomena in anthropological and cultural studies, but which is treated here in unique ways. Whereas most existing work examines apprenticeship among adults in traditional vocational settings, this research is situated among a community of fourth and fifth grade schoolchildren with different levels of previous experience "learning through design" and programming science simulations, thus making them relative oldtimers and newcomers to the culture and practices of design. This work examines teams of children as they create computer simulations, and documents the practices that characterize their apprenticeship to one another. This research also describes how children conceptualize their own roles as newcomers or oldtimers to design. Finally, this study investigates how cognitive benefits realized in an apprenticeship environment are distinctive from that in non-apprenticeship classroom communities, due to the addition of a comparison group of fourth and fifth grade students all engaged in learning through design for the first time. Results reveal that design apprenticeship among schoolchildren shares some crucial characteristics with vocational apprenticeships. Oldtimers initially break down tasks into component parts for newcomers to perform, newcomers move from peripheral to fuller participation in the design process as the project progresses, and tacit pedagogical interactions initiated by oldtimers are intimately tied to the immediate design context on a day-to-day basis. Oldtimers are also more reflective about their interactions with other designers, and they have a more differentiated view of the design process as a whole, than newcomers or comparison first-time designers. The learning benefits realized in an apprenticeship environment are characterized not by a significant difference over the comparison class in the amount of science content or programming code students mastered, but

  9. Probing the effect of human normal sperm morphology rate on cycle outcomes and assisted reproductive methods selection.

    Directory of Open Access Journals (Sweden)

    Bo Li

    Full Text Available Sperm morphology is the best predictor of fertilization potential, and the critical predictive information for supporting assisted reproductive methods selection. Given its important predictive value and the declining reality of semen quality in recent years, the threshold of normal sperm morphology rate (NSMR is being constantly corrected and controversial, from the 4th edition (14% to the 5th version (4%. We retrospectively analyzed 4756 cases of infertility patients treated with conventional-IVF(c-IVF or ICSI, which were divided into three groups according to NSMR: ≥14%, 4%-14% and <4%. Here, we demonstrate that, with decrease in NSMR(≥14%, 4%-14%, <4%, in the c-IVF group, the rate of fertilization, normal fertilization, high-quality embryo, multi-pregnancy and birth weight of twins gradually decreased significantly (P<0.05, while the miscarriage rate was significantly increased (p<0.01 and implantation rate, clinical pregnancy rate, ectopic pregnancy rate, preterm birth rate, live birth rate, sex ratio, and birth weight(Singleton showed no significant change. In the ICSI group, with decrease in NSMR (≥14%, 4%-14%, <4%, high-quality embryo rate, multi-pregnancy rate and birth weight of twins were gradually decreased significantly (p<0.05, while other parameters had no significant difference. Considering the clinical assisted methods selection, in the NFMR ≥14% group, normal fertilization rate of c-IVF was significantly higher than the ICSI group (P<0.05, in the 4%-14% group, birth weight (twins of c-IVF were significantly higher than the ICSI group, in the <4% group, miscarriage of IVF was significantly higher than the ICSI group. Therefore, we conclude that NSMR is positively related to embryo reproductive potential, and when NSMR<4% (5th edition, ICSI should be considered first, while the NSMR≥4%, c-IVF assisted reproduction might be preferred.

  10. How Can the Expansion of the Apprenticeship System in India Create Conditions for Greater Equity and Social Justice?

    Science.gov (United States)

    Smith, Erica; Kemmis, Ros Brennan; Comyn, Paul

    2014-01-01

    This paper reports on aspects of a recent project carried out for the International Labour Organization (ILO) and the World Bank, which was designed to feed into the process of updating and expanding India's apprenticeship system. The apprenticeship system in India is extremely small for the country's population, even taking into account…

  11. From the Provider-Led to an Employer-Led System: Implications of Apprenticeship Reform on the Private Training Market

    Science.gov (United States)

    Chankseliani, Maia; Relly, Susan James

    2015-01-01

    Despite expending a great deal of public money, and after many government-led "reforms" to develop an apprenticeship system that rivals those found in other countries, the apprenticeship system in England still faces a number of challenges and failings, not least in the private training market. This paper explores the landscape of…

  12. Pre-Apprenticeships in Three Key Trades. A National Vocational Education and Training Research and Evaluation Program Report

    Science.gov (United States)

    Dumbrell, Tom; Smith, Erica

    2007-01-01

    This report looks at whether pre-apprenticeships increase the potential supply of tradespeople, with a special focus on electrotechnology, automotive and engineering students. It found that pre-apprenticeships have been used in Australia for many years and are widely regarded as a valuable strategy for increasing the supply and quality of…

  13. Does Academic Apprenticeship Increase Networking Ties among Participants? A Case Study of an Energy Efficiency Training Program

    Science.gov (United States)

    Hytönen, Kaisa; Palonen, Tuire; Lehtinen, Erno; Hakkarainen, Kai

    2014-01-01

    In order to address the requirements of future education in different fields of academic professional activity, a model called Academic Apprenticeship Education was initiated in Finland in 2009. The aim of this article is to analyse the development of expert networks in the context of a 1-year Academic Apprenticeship Education model in the field…

  14. MoS2-reduced graphene oxide composites via microwave assisted synthesis for sodium ion battery anode with improved capacity and cycling performance

    International Nuclear Information System (INIS)

    MoS2-reduced graphene oxide (RGO) composites were synthesized via a facile microwave assisted reduction of graphene oxide in MoS2 precursor solution and subsequent annealing in N2/H2 atmosphere at 800 °C for 2 h. Their morphology, structure and electrochemical performance were characterized by field-emission scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Raman spectroscopy, N2 adsorption-desorption isotherm, cyclic voltammetry and electrochemical impedance spectroscopy. The MoS2-RGO composites with different RGO loadings were applied as anode materials of sodium ion batteries (SIBs) and they exhibit a maximum reversible specific capacity of about 305 mAh g−1 at a current density of 100 mA g−1 after 50 cycles and excellent rate performance. The results demonstrate that MoS2-RGO could be a potential electrode material for rechargeable SIBs

  15. [G3T]5/Tb(3+) based DNA biosensor with target DNA-triggered autocatalytic multi-cycle-amplification and magnetic nanoparticles assisted-background-lowered.

    Science.gov (United States)

    Jiang, Hong; Zhang, Xiaojun; Wang, Guangfeng

    2015-12-15

    Due to terbium's unique photophysical properties, nucleic-acid-sensitized terbium (DNA/Tb(3+)) bioluminescent system becomes a potential candidate for the fabrication of DNA biosensors. However, the low sensitivity of DNA/Tb(3+) bioluminescent system limits its development. In this paper, a strategy combining autocatalytic multi-cycle-amplification (including exonuclease III (exo III)-aided and Zn(2+)-requiring DNAzyme-assisted target recycling amplifications) and magnetic nanoparticles assisted-background-lowering to improve the sensitivity of DNA/Tb(3+) bioluminescent system is presented for sensitive detection of target DNA (tDNA). The DNA/Tb(3+) bioluminescent system was investigated by ultraviolet-visible (UV-vis) absorption and luminescence spectra. The possible conjugation mechanism and mode of DNA with Tb(3+) were discussed. The autocatalytic multi-cycle-amplification effect was investigated by the comparison of the luminescence. The carboxylation-functionalized Fe3O4-magnetic nanoparticles (MNPs) were characterized and its role in background lowering was proved. As a result, with the designed protocol, the detection limit for the tDNA detection reached a low level to aM, which is especially exciting for the DNA/Tb(3+) bioluminescent system. In the process, due to the separation effect of MNPs, the assay solution was purified to avoid the nonspecific luminescence of DNA/Tb(3+), not only lowering the background signal greatly (about five times lower than that without the use of MNPs but also improving the reproducibility and stability. We hope that our attempt in this field will not only extend the application of DNA/Tb(3+) luminescent system in biosensing areas but also open the road to adaptation of the protocols to other related analytes. PMID:26257185

  16. Carbon gel assisted low temperature liquid-phase synthesis of C-LiFePO4/graphene layers with high rate and cycle performances

    Science.gov (United States)

    Tang, Hongwei; Si, Yanli; Chang, Kun; Fu, Xiaoning; li, Bao; Shangguan, Enbo; Chang, Zhaorong; Yuan, Xiao-Zi; Wang, Haijiang

    2015-11-01

    Nano-scale LiFePO4/graphene oxide (GO) as cathode materials for lithium ion batteries has been successfully synthesized via a one-step carbon gel assisted liquid-phase approach at a low-temperature (108 °C) and normal pressure. C-LiFePO4/graphene layers (G) composites, composed of LiFePO4, amorphous carbon and graphene layers, are then produced after rapid high temperature carbon treatment. Interface tunnel effect, produced by the intimate contact of LiFePO4 particles with amorphous carbon and graphene layers, greatly improves the properties of the composites. Electrochemical tests indicate that the optimal amount of GO addition is 1 wt.% in terms of achieving a high electrochemical performance of the C-LiFePO4/G composites. Discharge capacity of the C-LiFePO4/G composites is 160.0 mAh g-1 at 0.2 C. When the current rate is further increased to 60 C, the discharge capacity of C-LiFePO4/G can reach 68 mAh g-1. At a high current rate of 20 C, the capacity attenuation rate of the C-LiFePO4/G electrode is only 9.6% after 200 cycles, showing excellent high-rate discharge capability and cycle performance. This is achieved under a facile synthesis condition of a simple procedure, low temperature, and normal pressure.

  17. Millwright Apprenticeship. Related Training Modules. 10.1-10.5 Combustion.

    Science.gov (United States)

    Lane Community Coll., Eugene, OR.

    This packet, part of the instructional materials for the Oregon apprenticeship program for millwright training, contains five modules covering combustion. The modules provide information on the following topics: the combustion process, types of fuel, air and fuel gases, heat transfer, and combustion in wood. Each module consists of a goal,…

  18. Automated Apprenticeship Training (AAT). A Systematized Audio-Visual Approach to Self-Paced Job Training.

    Science.gov (United States)

    Pieper, William J.; And Others

    Two Automated Apprenticeship Training (AAT) courses were developed for Air Force Security Police Law Enforcement and Security specialists. The AAT was a systematized audio-visual approach to self-paced job training employing an easily operated teaching device. AAT courses were job specific and based on a behavioral task analysis of the two…

  19. Level III Apprenticeship in Portugal--Notes on a Case Study

    Science.gov (United States)

    Saboga, Ana Rute

    2008-01-01

    This article presents the results of research into how young trainees in the level III apprenticeship system formulate their educational and professional plans, what expectations they have of obtaining socially and professionally recognised qualifications, and in what way enterprises see such training as a strategy for providing human resources…

  20. Cost-Benefit Paradigm of Apprenticeship Training: Reviewing Some Existing Literature

    Science.gov (United States)

    Asghar, Waheed; Shah, Iftkhar Hussain; Akhtar, Naeem

    2016-01-01

    The focus of this paper is "dual" apprenticeship training, which involves both on-the-job and institutional training. Apprentices receive training both within the companies to which they are apprenticed and within state-run, vocational institutes. The cost of training under this system is mainly borne by the employer, which has given…

  1. 78 FR 2443 - Comment Request for Information Collection for the Registered Apprenticeship-College Consortium...

    Science.gov (United States)

    2013-01-11

    ... workers that possess in-demand skills and competencies. Registered Apprenticeship pairs paid on-the-job learning with related technical/theoretical classes in a career field. The earn- while-you-learn model..., Labor. BILLING CODE 4510-FR-P...

  2. The Hazardous Material Technician Apprenticeship Program at Lawrence Livermore National Laboratory

    International Nuclear Information System (INIS)

    This document describes an apprenticeship training program for hazardous material technician. This entry-level category is achieved after approximately 216 hours of classroom and on-the-job training. Procedures for evaluating performance include in-class testing, use of on-the-job checks, and the assignment of an apprentice mentor for each trainee

  3. Cognitive Apprenticeship as a Vehicle for Enhancing the Understanding and Functionalization of Organic Chemistry Knowledge

    Science.gov (United States)

    Putica, Katarina; Trivic, Dragica D.

    2016-01-01

    This paper presents a pedagogical experiment with parallel groups through which the effectiveness of the cognitive apprenticeship model of dealing with the teaching topic "Carboxylic acids and their derivatives" was compared with the traditional approach to the elaboration of this topic. This experiment featured the participation of 241…

  4. Field Heat Treatment Technician: Competency Profile. Apprenticeship and Industry Training. 20908.1

    Science.gov (United States)

    Alberta Advanced Education and Technology, 2008

    2008-01-01

    The graduate of the Field Heat Treatment Technician apprenticeship program is a certified journeyperson who will be able: (1) use heat treatment equipment to apply heat to materials in order to change a material's properties; (2) Use their knowledge of the properties of heat, industry codes and specifications to determine how heat treatment will…

  5. Integrating Literacy and Science in Biology: Teaching and Learning Impacts of Reading Apprenticeship Professional Development

    Science.gov (United States)

    Greenleaf, Cynthia L.; Litman, Cindy; Hanson, Thomas L.; Rosen, Rachel; Boscardin, Christy K.; Herman, Joan; Schneider, Steven A.

    2011-01-01

    This study examined the effects of professional development integrating academic literacy and biology instruction on science teachers' instructional practices and students' achievement in science and literacy. The intervention consisted of 10 days of professional development in Reading Apprenticeship, an instructional framework integrating…

  6. Stationary Engineers Apprenticeship. Related Training Modules. 9.1-9.6 Refrigeration.

    Science.gov (United States)

    Lane Community Coll., Eugene, OR.

    This packet of six learning modules on refrigeration is one of 20 such packets developed for apprenticeship training for stationary engineers. Introductory materials are a complete listing of all available modules and a supplementary reference list. Each module contains some or all of these components: goal, performance indicators, statement of…

  7. Building an Apprenticeship and Training System for Maintenance Occupations in the American Transit Industry

    Science.gov (United States)

    Glover, Robert W.; Clopton, Lewis; McCollum, Malcolm; Wang, Xinge

    2007-01-01

    Purpose: The purpose of this paper is to discuss the joint training and apprenticeship system emerging in maintenance occupations in the US transit industry, its challenges and strategies to overcome them. Design/methodology/approach: The paper reports on early results, including efforts to develop a consensus national framework for apprenticeship…

  8. 75 FR 78807 - Agency Information Collection (Other On-The-Job Training and Apprenticeship Training Agreement...

    Science.gov (United States)

    2010-12-16

    ... ] OMB Desk Officer, OMB Human Resources and Housing Branch, New Executive Office Building, Room 10235... AFFAIRS Agency Information Collection (Other On-The-Job Training and Apprenticeship Training Agreement and Standards and Employer's Application To Provide Job Training) Activity Under OMB Review AGENCY:...

  9. 77 FR 2351 - Agency Information Collection (Monthly Certification of On-the-Job and Apprenticeship Training...

    Science.gov (United States)

    2012-01-17

    ... information through www.Regulations.gov or to VA's OMB Desk Officer, OMB Human Resources and Housing Branch... AFFAIRS Agency Information Collection (Monthly Certification of On-the- Job and Apprenticeship Training... Training, VA Forms 22-6553d and 22-6553d-1. OMB Control Number: 2900-0178. Type of Review: Extension of...

  10. Attempt of lean burn of a 4 cycle gasoline engine by the aid of low pressure air assisted in-cylinder injection; Tonai kuki nenryo funsha ni yoru lean burn no kokoromi

    Energy Technology Data Exchange (ETDEWEB)

    Hatakeyama, S.; Kondo, M.; Sekiya, Y.; Murayama, T. [Hokkaido Automotive Engineering College, Hokkaido (Japan)

    1997-10-01

    Comparable performance and exhaust emission with conventional carburetor was obtained by a low Pressure air assisted in-cylinder injection system. And lean burn of idling and light load operation till A/F=70 was realized by installing a spark Plug and a reed type injection nozzle in a divided combustion chambaer of a 4 cycle gasoline engine. 2 refs., 10 figs.

  11. Just and Reasonable Treatment: Racial Treatment in the Terms of Pauper Apprenticeship in Antebellum Maryland

    OpenAIRE

    Howard Bodenhorn

    2003-01-01

    This paper investigates the economics of pauper apprenticeship in antebellum Maryland and several results emerge. Contrary to some earlier interpretations, the system did not arbitrarily indent poor children. Court officials negotiated contracts that reflected an apprentice's productivity; officials did not offer one-size-fits-all contracts to minimize the costs of indenting indigent children. Black and white children received comparable compensation during the term of the indenture, but blac...

  12. Apprenticeship policy in England: increasing skills versus boosting young people’s job prospects.

    OpenAIRE

    Steedman, Hilary

    2011-01-01

    Successive British governments have committed substantial public resources to apprentice training, but far too few young people benefit and not enough high value skills have been developed. That is the central conclusion of a new report published by the Centre for Economic Performance (CEP). The report’s author, Dr Hilary Steedman, who has nearly 30 years of research experience in this field, calls for a change in the country’s apprenticeship model.

  13. Financial aspects of apprenticeship training in Germany, Great Britain and Switzerland

    OpenAIRE

    Ryan, Paul; Wagner, Karin; Teuber, Silvia; Backes-Gellner, Uschi

    2011-01-01

    Financial attributes are potentially important influences on the viability of apprenticeship as a mode of vocational education and training. Two financial aspects are considered: apprentices’ pay, which determines the division of training costs between the trainee and the employer; and corporate ownership, which may influence the incentive to employers to provide training, insofar as it promotes or deters short-termist practice concerning investment in employees’ skills. Evidence is ta...

  14. Investigating the Nursing Practitioners Perspectives about Undergraduate Nursing Internship and Apprenticeship Courses: Is Renewing Required?

    OpenAIRE

    2013-01-01

    Nurses’ professional capacity plays an important role in the health system to achieve their mission. This study aimed to investigate the perspectives of nursing practitioners about undergraduate nursing internship and apprenticeship courses and possible ways of renewing the courses. This cross sectional survey was performed over 258 bachelors and practitioners of nursing graduates of Alborz University of medical sciences in the second half of 2012. Based on a multi-stage sampling schedule, qu...

  15. THE PREVALENCE OF SMOKING AMONG THE STUDENTS OF MERAM APPRENTICESHIP SCHOOL

    Directory of Open Access Journals (Sweden)

    Ruhusen KUTLU

    2006-12-01

    Full Text Available The purpose of this study is to describe the prevalence of smoking among the students of Meram Apprenticeship School and to analyze the affecting factors. This descriptive and cross-sectional study was carried out among 192 students who educated at Meram Apprenticeship School during 2004-2005 academic years. Of 192 students whom participated in this study, 95.8 % ( n= 184 were male, and 4.2 % (n= 8 were female, minimum age was 15, maximum age was 20 (median value= 17 years. When the smoking status was evaluated, 50.5 % (n= 97 were ever-smokers, 7.3 % (n= 14 were ex-smokers, 42.2 % (n=81 were never smokers. The lowest age at starting smoking was 7 years, the highest age was 18 years and the median value was 13 years. When the reasons to start smoking were analysed, 41 students of 97 current smokers stated that they had started smoking because of affecting of social environment and friend groups (40.6 %, n=41, affectation and enthusiasm (27.7 %, n=28, stress and anxiety (21.8 % n=22. According to Fagerstrom criterion, 43 students (42.2 % were assessed very low addictive level, 23 students (n=22.5% were high addictive level. Our results showed that the prevalence of smoking among the students of Meram Apprenticeship School was an important matter. [TAF Prev Med Bull 2006; 5(6.000: 424-433

  16. Microdose GnRH Agonist Flare-Up versus Ultrashort GnRH Agonist Combined with Fixed GnRH Antagonist in Poor Responders of Assisted Reproductive Techniques Cycles

    OpenAIRE

    Parisa Khani; Fariba Yousefnejad; Farnaz Mohammadian; Maryam Eftekhar

    2013-01-01

    Background: This study compares the microdose flare-up protocol to the ultrashort gonadotropinreleasing hormone (GnRH) agonist flare combined with the fixed multidose GnRH antagonist protocol in poor responders undergoing ovarian stimulation. Materials and Methods: In this randomized clinical trial, 120 women who were candidates for assisted reproductive techniques (ART) and had histories of one or more failed in vitro fertilization (IVF) cycles with three or fewer retrieved oocytes were pros...

  17. "I Actually Contributed to Their Research": The Influence of an Abbreviated Summer Apprenticeship Program in Science and Engineering for Diverse High-School Learners

    Science.gov (United States)

    Burgin, Stephen R.; McConnell, William J.; Flowers, Alonzo M., III

    2015-01-01

    This study describes an investigation of a research apprenticeship program that we developed for diverse high-school students often underrepresented in similar programs and in science, technology, engineering, and math (STEM) professions. Through the apprenticeship program, students spent 2 weeks in the summer engaged in biofuels-related research…

  18. The effect of a group guidance program to elementary 8th grade students’ views towards apprenticeship training

    Directory of Open Access Journals (Sweden)

    Abdullah Ishiklar

    2012-02-01

    Full Text Available The primary purpose of this study is to determine the effect of a group guidance program to elementary 8th grade students’ views towards apprenticeship training. This study is a control group pre-test post-test experimental research. The research was conducted to students who were enrolled in an elementary school in Konya, Turkey. While research’s experimental group was constituted of 11 female and 14 male students (total: 25 students, control group was constituted of 11 female and 14 male students (total: 25 students. Vocational group guidance was conducted to experimental group for 9 weeks once a week. The views of experimental and control group students towards apprenticeship education were measured by Apprenticeship Education Evaluation Form-B (AEEF-B at pre-test post-test phases. In this research, applied vocational group guidance program includes views and behaviours which can be measured by Apprenticeship Education Evaluation Form-B. Group discussion and homework techniques were used to gain vocational views and behaviours in vocational group guidance. After analysis there have been found significant difference between experimental and control groups’ AEEF-B pre-test post-test average scores at 0.01 level. Findings showed that vocational group guidance method had a positive effect against negative ideas to apprenticeship education. In addition, vocational group guidance method has been found to be effective in changing 8th year elementary school students’ negative views towards apprenticeship education to positive views. This program is compatible as long as it is used in vocational guidance activities of 8th year elementary school students.

  19. The role of cognitive apprenticeship in learning science in a virtual world

    Science.gov (United States)

    Ramdass, Darshanand

    2012-12-01

    This article extends the discussion started by Margaret Beier, Leslie Miller, and Shu Wang's (2012) paper, Science games and the development of possible selves. In this paper, I suggest that a theoretical framework based on a sociocultural theory of learning is critical in learning in a virtual environment. I will discuss relevant research on the application of various components of the sociocultural perspective of learning in classroom environments and the potential for applying them in virtual worlds. I propose that research in science education should explore the processes underlying cognitive apprenticeship and determine how these processes can be used in virtual environments to help students learn science successfully.

  20. The cognitive apprenticeship theory for the teaching of mathematics in an online 3D virtual environment

    Science.gov (United States)

    Bouta, Hara; Paraskeva, Fotini

    2013-03-01

    Research spanning two decades shows that there is a continuing development of 3D virtual worlds and investment in such environments for educational purposes. Research stresses the need for these environments to be well-designed and for suitable pedagogies to be implemented in the teaching practice in order for these worlds to be fully effective. To this end, we propose a pedagogical framework based on the cognitive apprenticeship for deriving principles and guidelines to inform the design, development and use of a 3D virtual environment. This study examines how the use of a 3D virtual world facilitates the teaching of mathematics in primary education by combining design principles and guidelines based on the Cognitive Apprenticeship Theory and the teaching methods that this theory introduces. We focus specifically on 5th and 6th grade students' engagement (behavioral, affective and cognitive) while learning fractional concepts over a period of two class sessions. Quantitative and qualitative analyses indicate considerable improvement in the engagement of the students who participated in the experiment. This paper presents the findings regarding students' cognitive engagement in the process of comprehending basic fractional concepts - notoriously hard for students to master. The findings are encouraging and suggestions are made for further research.

  1. Development and Application of a Situated Apprenticeship Approach to Professional Development of Astronomy Instructors

    Science.gov (United States)

    Prather, Edward E.; Brissenden, Gina

    Professional development for astronomy instructors largely focuses on enhancing their understanding of the limitations of professor-centered lectures while also increasing awareness and better implementation of learning strategies that promote a learner-centered classroom environment. Given how difficult it is to get instructors to implement well-developed and innovative teaching ideas, even when these instructors are supplied with significant and compelling education research data, one must wonder what is missing from the most commonly used professional development experiences. This article proposes a learner- centered approach to professional development for college instructors, which we call situated apprenticeship. This novel approach purposely goes beyond simple awareness building and conventional modeling, challenging instructors to actively engage themselves in practicing teaching strategies in an environment of peer review in which participants offer suggestions and critiques of each other's implementation. Through this learner-centered teaching and evaluation experience, instructors' preexisting conceptual and pedagogical understandings of a particular instructional strategy are brought forth and examined in an effort to promote a real change of practice that positively impacts both their core pedagogical content knowledge and their skills in successfully implementing these teaching strategies. We believe that the adoption of our situated apprenticeship approach for professional development will increase the frequency and success of college instructors' implementation of research-validated instructional strategies for interactive learning.

  2. Apprenticeship and Progression in the Healthcare Sector: Can Labour Market Theory Illuminate Barriers and Opportunities in Contrasting Occupations?

    Science.gov (United States)

    Turbin, Jill; Fuller, Alison; Wintrup, Julie

    2014-01-01

    There is growing research and policy interest in the extent to which government supported Apprenticeship in England provides a platform for educational and career progression in different occupational sectors. This paper makes a contribution to this debate by presenting research on the healthcare sector undertaken in a regional health authority in…

  3. No Four Walls Could Hold This School: Why Is Everybody Talking about Lycoming County's Youth Apprenticeship Program?

    Science.gov (United States)

    Dykman, Ann

    1994-01-01

    In the Pennsylvania Youth Apprenticeship Program, students attend class three days per week and work in manufacturing-related industries the other two. The success of the program depends primarily on the quality of teachers and mentors and industry's willingness to cooperate. (JOW)

  4. Real Apprenticeships: Creating a Revolution in English Skills. Research by The Boston Consulting Group for the Sutton Trust

    Science.gov (United States)

    Nash, Ian; Jones, Sue

    2013-01-01

    This research by the Boston Consulting Group (BCG) for Sutton Trust examined the English education system and its apprenticeship programs. BCG reported that the UK is failing nearly half its young people by providing inadequate vocational opportunities. BSG presents key findings that include: (1) more than four in ten people have only low level…

  5. New Approaches to Training: A Preliminary Review of Nigeria's National Open Apprenticeship Scheme (NOAS). Discussion Paper No. 30.

    Science.gov (United States)

    Umo, Joe U.

    Nigeria's National Open Apprenticeship Scheme (NOAS) is aimed at giving vocational skills to unemployed youth and helping them to be self-employed or get gainful employment. NOAS is targeted at Nigerian men and women aged 15-25. Minimum educational requirements vary by trade; course duration ranges from 2 months to 3 years. The number of trainees…

  6. Transforming Ontario's Apprenticeship Training System: Supplying the Tradespersons Needed for Sustained Growth--A Proposal from Ontario's Colleges

    Science.gov (United States)

    Colleges Ontario, 2009

    2009-01-01

    Ontario's colleges share the provincial government's belief that apprenticeship must play a greater role in addressing skills shortages and contributing to innovative, high-performance workplaces that enhance Ontario's competitiveness. Given the severity of the economic downturn, Ontario faces an immediate, serious challenge as apprenticeship…

  7. Understanding the Impact of an Apprenticeship-Based Scientific Research Program on High School Students' Understanding of Scientific Inquiry

    Science.gov (United States)

    Aydeniz, Mehmet; Baksa, Kristen; Skinner, Jane

    2011-01-01

    The purpose of this study was to understand the impact of an apprenticeship program on high school students' understanding of the nature of scientific inquiry. Data related to seventeen students' understanding of science and scientific inquiry were collected through open-ended questionnaires. Findings suggest that although engagement in authentic…

  8. Belonging to a Workplace: First-Year Apprentices' Perspectives on Factors Determining Engagement and Continuation through Apprenticeship

    Science.gov (United States)

    Chan, Selena

    2016-01-01

    The transition to work through apprenticeship is one taken by many young people. A sense of belonging to a workplace is posited to be an important precursor for initial and on-going engagement with practice communities. This article details a study of beginning apprentices in ten trades. The project sought to identify factors influencing…

  9. Is Vacation Apprenticeship of Undergraduate Life Science Students a Model for Human Capacity Development in the Life Sciences?

    Science.gov (United States)

    Downs, Colleen Thelma

    2010-01-01

    A life sciences undergraduate apprenticeship initiative was run during the vacations at a South African university. In particular, the initiative aimed to increase the number of students from disadvantaged backgrounds. Annually 12-18 undergraduate biology students were apprenticed to various institutions during the January and July vacations from…

  10. The effect of peri-implantation administration of uterine relaxing agents in assisted reproduction treatment cycles: a systematic review and meta-analysis.

    Science.gov (United States)

    Khairy, Mohammed; Dhillon, Rima K; Chu, Justin; Rajkhowa, Madhurima; Coomarasamy, Arri

    2016-04-01

    Sub-endometrial junctional zone peristalsis is increased by ovarian stimulation and traumatic embryo transfer, and is linked with decreased implantation and pregnancy rates in assisted reproduction treatments. Various agents have been used to inhibit uterine hyper-peristalsis at the time of embryo transfer with conflicting results. This systematic review aimed to identify if uterine relaxants administered in the peri-implantation period during assisted reproduction treatments could improve pregnancy outcomes through literature search with no language restrictions. The review reports on 3546 patients in 17 randomized controlled trials published between 1993 and 2014. Women undergoing assisted reproduction techniques who either received a uterine relaxant agent in the peri-implantation period versus placebo or no treatment were included. Primary outcome was live birth rate. The meta-analyses did not show statistically significant benefit of any uterine relaxing agents on live birth rate. Other meta-analyses did not show a significant effect on the clinical pregnancy, spontaneous abortion, ectopic pregnancy and multiple pregnancy rate. Most of the included studies were of low quality and lacked significant power to detect minimally important effect. Evidence is insufficient to recommend using these agents in routine practice. Further methodologically robust randomized controlled trials with more refined selection criteria might reveal a beneficial effect. PMID:26936145

  11. An Evaluation of the Use of a Technique Designed to Assist Prospective Elementary Teachers Use the Learning Cycle with Science Textbooks.

    Science.gov (United States)

    Barman, Charles R.

    1992-01-01

    Presents a study to determine the effects of introducing methods students to the "learning cycle" technique on their ability to adapt science textbooks to the method and employ it in their teaching. Interviews of 24 randomly selected students out of 48 participants indicated that 75 percent used the approach while student teaching and found it…

  12. Improvement of the cycling performance of LiCoO2 with assistance of cross-linked PAN for lithium ion batteries

    International Nuclear Information System (INIS)

    Highlights: • Cross-linked PAN coating was prepared without damaging the surface of LiCoO2. • The coating layer owns good electronic conductivity and mechanical strength. • The cross-linked PAN coating layer is more sufficient than Al2O3 coating. • It shows much improved cyclability than that of bare and Al2O3 coated LiCoO2. - Abstract: LiCoO2 has been widely used in lithium ion batteries for digital electronic products. However, the limited cycling performance under high cut-off voltage hinders its commercial application. Many metal oxides and/or phosphorus coating have been reported to improve the cycling performance of LiCoO2. In this paper, we report on cross-linked PAN coated LiCoO2 composite as a cathode material for lithium ion batteries. The coating layer was obtained by intermolecular crosslinking of PAN polymer chain by heat treatment at high temperature in air. The air heating process avoids the possible damage arising from the carbon thermal reduction to the surface structure of LiCoO2. Electrochemical test indicates that the LiCoO2 with the cross-linked PAN coating layer shows much improved cycle performance compared with that of bare and Al2O3 coated LiCoO2. These findings might also open new avenues to explore polymer coating for other cathode materials of lithium ion batteries

  13. Hats off to CERN's Master of Apprenticeships ! Roland Gay of the HR Department (at right) recently received a special diploma from the Geneva Industrial Union (UIG).

    CERN Multimedia

    2004-01-01

    Presented by Carlo Lamprecht, Head of the Department of Economy, Employment and External Affairs of the State of Geneva, the diploma was awarded in recognition of the 199 CERN apprentices Roland has guided through the Certificat Fédéral de Capacité (CFC), an end-of-apprenticeship certificate awarded by the Cantonal authorities. Roland will be retiring in December 2004 after 37 years of service, 32 of which he spent in the role of apprenticeship supervisor.

  14. The Historical Evolution and Background Analysis of China's Factory Apprenticeship%我国工厂师徒制的历史嬗变和背景分析

    Institute of Scientific and Technical Information of China (English)

    张晶

    2012-01-01

    师徒制是一种历史悠久的职业教育形式,我国工厂师徒制在我国特有的历史背景下,也不断发生着嬗变。我国工厂师徒制为国家培养了大批人才,尽管在一段时期因其成为一种劳动用工制度而出现一定的弊端,但是作为一种技艺传授方式,师徒制具有永久的生命力。在现代社会中,应充分发挥师徒制技艺传授的优越性,不断地促进技术的传承。%Apprenticeship is a centuries-old form of vocational education.China's factory apprenticeship has also undergone a continuous transmutation,in the unique historical background.China's factory apprenticeship has trained a large number of talents for our country.In a period of time apprenticeship was made to a system of labor and employment,which has its drawbacks.But as a form to teach skills,apprenticeship has its perpetual vitality.In modern society,we should make full use of the advantages of apprenticeship to promote the heritage of technology.

  15. Using cognitive apprenticeship framework and multiple-possibility problems to enhance epistemic cognition

    Science.gov (United States)

    Shekoyan, Vazgen; Etkina, Eugenia

    2009-11-01

    Epistemic cognition can occur when a person is solving a problem that does not have one correct answer (a multiple-possibility problem). The solver is engaged in epistemic cognition if she/he examines different possibilities, assumptions, and evaluates the outcomes. Epistemic cognition is an important part of real life problem-solving. Physicists routinely engage in epistemic cognition when they solve problems. But in educational settings, we polish problems and make them single-possibility problems. Thus students rarely get a chance to engage in epistemic cognition while working on problem-solving tasks. We introduced multiple-possibility physics problems in recitation sections of an algebra-based introductory physics course at Rutgers University. We describe here how we have incorporated the cognitive apprenticeship framework in the course and evaluated its effectiveness as a method of enhancing students' epistemic cognition level.

  16. Improvement of the cycling performance of LiCoO{sub 2} with assistance of cross-linked PAN for lithium ion batteries

    Energy Technology Data Exchange (ETDEWEB)

    Yang, Xinhe [School of Chemical Engineering and Environment Science, Beijing Institute of Technology, Beijing 100081 (China); College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (China); Shen, Lanyao; Wu, Bin; Zuo, Zicheng [Beijing Engineering Research Center of Power Lithium-ion Battery, Beijing 102200 (China); Mu, Daobin [School of Chemical Engineering and Environment Science, Beijing Institute of Technology, Beijing 100081 (China); Wu, Borong, E-mail: wubr@bit.edu.cn [School of Chemical Engineering and Environment Science, Beijing Institute of Technology, Beijing 100081 (China); Zhou, Henghui, E-mail: hhzhou@pku.edu.cn [College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (China)

    2015-08-05

    Highlights: • Cross-linked PAN coating was prepared without damaging the surface of LiCoO{sub 2}. • The coating layer owns good electronic conductivity and mechanical strength. • The cross-linked PAN coating layer is more sufficient than Al{sub 2}O{sub 3} coating. • It shows much improved cyclability than that of bare and Al{sub 2}O{sub 3} coated LiCoO{sub 2}. - Abstract: LiCoO{sub 2} has been widely used in lithium ion batteries for digital electronic products. However, the limited cycling performance under high cut-off voltage hinders its commercial application. Many metal oxides and/or phosphorus coating have been reported to improve the cycling performance of LiCoO{sub 2}. In this paper, we report on cross-linked PAN coated LiCoO{sub 2} composite as a cathode material for lithium ion batteries. The coating layer was obtained by intermolecular crosslinking of PAN polymer chain by heat treatment at high temperature in air. The air heating process avoids the possible damage arising from the carbon thermal reduction to the surface structure of LiCoO{sub 2}. Electrochemical test indicates that the LiCoO{sub 2} with the cross-linked PAN coating layer shows much improved cycle performance compared with that of bare and Al{sub 2}O{sub 3} coated LiCoO{sub 2}. These findings might also open new avenues to explore polymer coating for other cathode materials of lithium ion batteries.

  17. Exergy analysis of a hydrogen fired combined cycle with natural gas reforming and membrane assisted shift reactors for CO2 capture

    International Nuclear Information System (INIS)

    Highlights: ► Exergy analysis of NGCC with CCS. ► WGS-MR: exergetically efficient technology for CCS, less than 2% total exergy losses. ► 10% of total exergy dissipation in the ATR. ► Optimization of ATR operation and CO2 stream treatment. - Abstract: Hydrogen production from fossil fuels together with carbon capture has been suggested as a means of providing a carbon free power. The paper presents a comparative exergetic analysis performed on the hydrogen production from natural gas with several combinations of reactor systems: (a) oxy or air fired autothermal reforming with subsequent water gas shift reactor and (b) membrane reactor assisted with shift catalysts. The influence of reactor temperature and pressure as well as operating parameter steam-to-carbon ratio, is also studied exergetically. The results indicate optimal power plant configurations with CO2 capture, or hydrogen delivery for industrial applications.

  18. Assisted phytoextraction of heavy metals: compost and Trichoderma effects on giant reed (Arundo donax L. uptake and soil N-cycle microflora

    Directory of Open Access Journals (Sweden)

    Nunzio Fiorentino

    2013-12-01

    Full Text Available Little information is available as to the real effectiveness of the phytoextraction remediation technique, since laboratory experiments are still the most common way in which this is measured. Given this, an experiment on a cadmium-polluted soil was carried out in open field conditions in Southern Italy with the aim of assessing the growth and the phytoextraction potential of giant reed (Arundo donax L. Compost fertilisation and Trichoderma harzianum A6 inoculations were used to verify the possibility of increasing the metal uptake of the crop. Biomass yield of giant reed in the first growth season (average 12.8 Mg ha–1 was not affected by the Cd concentration in the soil and this increased significantly with compost fertilisation (13.8 Mg ha–1. Both compost fertilisation and T. harzianum inoculation increased cadmium uptake and translocation in leaves. Nitrifying bacteria was shown to be a useful tool to biomonitor soil quality. These results proved the suitability of the giant reed for assisted-phytoremedation with the use of compost fertilisation and T. harzianum.

  19. Effect of Internet-Based Cognitive Apprenticeship Model (i-CAM) on Statistics Learning among Postgraduate Students

    Science.gov (United States)

    Saadati, Farzaneh; Ahmad Tarmizi, Rohani

    2015-01-01

    Because students’ ability to use statistics, which is mathematical in nature, is one of the concerns of educators, embedding within an e-learning system the pedagogical characteristics of learning is ‘value added’ because it facilitates the conventional method of learning mathematics. Many researchers emphasize the effectiveness of cognitive apprenticeship in learning and problem solving in the workplace. In a cognitive apprenticeship learning model, skills are learned within a community of practitioners through observation of modelling and then practice plus coaching. This study utilized an internet-based Cognitive Apprenticeship Model (i-CAM) in three phases and evaluated its effectiveness for improving statistics problem-solving performance among postgraduate students. The results showed that, when compared to the conventional mathematics learning model, the i-CAM could significantly promote students’ problem-solving performance at the end of each phase. In addition, the combination of the differences in students' test scores were considered to be statistically significant after controlling for the pre-test scores. The findings conveyed in this paper confirmed the considerable value of i-CAM in the improvement of statistics learning for non-specialized postgraduate students. PMID:26132553

  20. The Role of Heparin in Embryo Implantation in Women with Recurrent Implantation Failure in the Cycles of Assisted Reproductive Techniques (Without History of Thrombophilia.

    Directory of Open Access Journals (Sweden)

    Kobra Hamdi

    2015-06-01

    Full Text Available Several studies have shown the improving effect of heparin on the outcomes of ART. Moreover, it has been reported that adding heparin in non-thrombophilia patients with RIF is useful.The aim of this study was to evaluate the beneficial effects of heparin on ART outcomes in women with history of recurrent implantation failure (RIF and without history of congenital or acquired thrombophilia in a randomized, controlled clinical trial (RCT.In this study, 100 patients with a history of two or more failures in implantation in cycles of ART were randomly subdivided into two groups of study and control. Patients of the control group just received the luteal phase support. In the patients of study group, in addition to the routine support of luteal phase following in vitro fertilization (IVF or intra cytoplasmic sperm injection (ICSI, 5000 units of subcutaneous heparin was administered for 15 days from the day of oocyte pick up. Pregnancy test (β-HCG was done for patient of two groups 15 days after IVF.In the study group, pregnancy test was positive in 16 (32% patients and negative in 34 (68% patients. In the control group, pregnancy test was positive in 15 (30% patients and negative in 35 (70% patients. There was no significant difference between two groups for the role of heparin in the pregnancy rate (p = 0.5.Although the effect of heparin on pregnancy was not statistically significant in this study, with regard to the numerous benefits of this agent, it is recommended to study its effects in further studies with lager sample size.

  1. Participation in college laboratory research apprenticeships among students considering careers in medicine

    Directory of Open Access Journals (Sweden)

    Dorothy A. Andriole

    2015-06-01

    Full Text Available Objective: We sought to determine the prevalence of college laboratory research apprenticeship (CLRA participation among students considering medical careers and to examine the relationship between CLRA participation and medical-school acceptance among students who applied to medical school. Methods: We used multivariate logistic regression to identify predictors of: 1 CLRA participation in a national cohort of 2001–2006 Pre-Medical College Admission Test (MCAT Questionnaire (PMQ respondents and 2 among those PMQ respondents who subsequently applied to medical school, medical-school acceptance by June 2013, reporting adjusted odds ratios (aOR and 95% confidence intervals (95% CI. Results: Of 213,497 PMQ respondents in the study sample (81.2% of all 262,813 PMQ respondents in 2001–2006, 72,797 (34.1% reported CLRA participation. Each of under-represented minorities in medicine (URM race/ethnicity (vs. white, aOR: 1.04; 95% CI: 1.01–1.06, Asian/Pacific Islander race/ethnicity (vs. white, aOR: 1.20; 95% CI: 1.17–1.22, and high school summer laboratory research apprenticeship (HSLRA participation (aOR: 3.95; 95% CI: 3.84–4.07 predicted a greater likelihood of CLRA participation. Of the 213,497 PMQ respondents in the study sample, 144,473 (67.7% had applied to medical school and 87,368 (60.5% of 144,473 medical-school applicants had been accepted to medical school. Each of female gender (vs. male, aOR: 1.19; 95% CI: 1.16–1.22, URM race/ethnicity (vs. white, aOR: 3.91; 95% CI: 3.75–4.08, HSLRA participation (aOR: 1.11; 95% CI: 1.03–1.19, CLRA participation (aOR: 1.12; 95% CI: 1.09–1.15, college summer academic enrichment program participation (aOR: 1.26; 95% CI: 1.21–1.31, and higher MCAT score (per point increase, aOR: 1.31; 95% CI: 1.30–1.31 predicted a greater likelihood of medical-school acceptance. Conclusions: About one-third of all PMQ respondents had participated in CLRAs prior to taking the MCAT, and such participation

  2. Resultados das técnicas de reprodução assistida em mulheres doadoras de oócitos no ciclo de tratamento Outcome of assisted reproductive technologies in women with oocyte donation in the treatment cycle

    Directory of Open Access Journals (Sweden)

    Edvaldo Cavalcante

    2005-11-01

    Full Text Available OBJETIVO: comparar os resultados de ciclos de reprodução assistida em mulheres doadoras de oócitos no ciclo de tratamento com o de mulheres não doadoras. MÉTODOS: foram avaliadas, retrospectivamente, as taxas de gravidez, implantação e abortamento de 50 pacientes que doaram oócitos durante o ciclo de reprodução assistida (grupo de doadoras e de 50 pacientes que não doaram oócitos (grupo de não-doadoras, em clínica privada de reprodução assistida em São Paulo, entre os anos de 2001 e 2003. Os critérios de inclusão no estudo foram os seguintes: idade menor que 35 anos; ciclos menstruais regulares; dosagem basal de FSH0,05. CONCLUSÃO: em pacientes que recuperam mais de seis oócitos, a doação de oócitos no ciclo de tratamento não prejudica os resultados dos ciclos de reprodução assistida e não eleva as taxas de abortamento.PURPOSE: to compare the outcome of treatment in patients undergoing assisted reproductive technology (ART cycles who donated eggs during their own ART treatment with the outcome of patients undergoing ART without egg donation. METHODS: we studied retrospectively the pregnancy and implantation rates of 50 patients who donated eggs during the course of their ART treatment (donor group, and the pregnancy and implantation rates of 50 patients who underwent ART cycles and kept all their eggs (non-donor group. between the years 2001-2003. The inclusion criteria used were as follows: age 0.05. CONCLUSION: this study suggests that in patients who produce more than 6 oocytes, egg donation in the treatment cycle does not influence adversely the outcome of ART cycles and does not increase the miscarriage rate.

  3. 现代学徒制的几种基本模式研究%Study on Several Basic Patterns of Modern Apprenticeship

    Institute of Scientific and Technical Information of China (English)

    刘群; 元梅竹

    2013-01-01

    Modern Apprenticeship is a self-innovation and development of traditional appren-ticeship .With the basic pattern of modern apprenticeship in several typical countries and re-gions as the sample ,this essay discusses the current development and main features of mod-ern apprenticeship from aspects of vocational education theory ,legal guarantee and imple-mentation ,so as to provide reference for the development of modern apprenticeship in our country .%现代学徒制是传统学徒制的一种自我革新和发展。本文以世界典型国家和地区现代学徒制的基本模式为研究对象,从职业教育的理论、法律保障和实施等角度分析其发展现状和主要特征。通过研究,以期对我国现代学徒制提供启示和借鉴。

  4. From Research Assistant to Professional Research Assistance: Research Consulting as a Form of Research Practice

    Directory of Open Access Journals (Sweden)

    Dawn E. Pollon

    2013-01-01

    Full Text Available Research assistantships have long been viewed as an extension of the formal education process, a form of apprenticeship, and a pathway into the professional practice of research in institutional settings. However, there are other contexts in which researchers practice research. This self-study documents the formative role research assistantships played in the authors’ development as professional research consultants. Four professional research consultants who held research assistant positions during their master’s and doctoral studies describe the contributions of their research assistantship experiences to the advancement of their knowledge, skills, and passion for research and subsequently to their career decisions. Professional research consulting is identified as a natural extension of research assistant roles and a potential career path. The article enhances current understandings about the ways research assistantships contribute to the development of researchers, and specifically to the development of professional research consultants. The analysis will be of interest to students contemplating entering into research assistantships, current research assistants, current research assistant supervisors, academic staff looking to improve their research productivity, and department chairs.

  5. Building Science Identity in Disadvantaged Teenage Girls using an Apprenticeship Model

    Science.gov (United States)

    Pettit, E. C.; Conner, L.; Tzou, C.

    2015-12-01

    Expeditionary science differs from laboratory science in that expeditionary science teams conduct investigations in conditions that are often physically and socially, as well as intellectually, challenging. Team members live in close quarters for extended periods of time, team building and leadership affect the scientific process, and research tools are limited to what is available on site. Girls on Ice is an expeditionary science experience primarily for disadvantaged girls; it fully immerses girls in a mini scientific expedition to study alpine, glacierized environments. In addition to mentoring the girls through conducting their own scientific research, we encourage awareness and discussion of different sociocultural perspectives on the relation between the natural world, science, and society. The experience aligns closely with the apprenticeship model of learning, which can be effective in enhancing identification with science. Using a mixed-methods approach, we show that the Girls on Ice model helps girls (1) increase their interest and engagement in science and build a stronger science identity, (2) develop confidence, importantly they develop a combined physical and intellectual confidence; (3) engage in authentic scientific thinking, including critical thinking and problem solving; and (4) enhance leadership self-confidence. We discuss these results in a learning sciences framework, which posits that learning is inseparable from the social and physical contexts in which it takes place.

  6. The Effect of Cognitive Apprenticeship-Based Professional Development on Teacher Self-Efficacy of Science Teaching, Motivation, Knowledge Calibration, and Perceptions of Inquiry-Based Teaching

    Science.gov (United States)

    Peters-Burton, Erin E.; Merz, Sydney A.; Ramirez, Erin M.; Saroughi, Maryam

    2015-10-01

    This study investigated the effects of a 1-year professional development (PD) based on a cognitive apprenticeship model of research experiences on inservice teacher self-efficacy of science teaching, motivation, knowledge calibration, and perceptions of inquiry of 19 secondary earth science and biology teachers. The PD facilitator, who serves a dual role as a scientist and teacher educator, utilized a cognitive apprenticeship model to shape both scientific thinking and inquiry instruction with 19 inservice teachers. Results indicated that inservice teachers changed their perceptions of inquiry and maintained high self-efficacy throughout all phases of the study. However, teachers refrained from making long-term changes in their cognitive strategy instruction. Implications provide a fuller picture of teacher learning during a RET program, supported with inquiry instruction and the implications of cognitive apprenticeships in offering authentic science research experiences with minimal laboratory resources.

  7. Surgical Assisting

    Science.gov (United States)

    ... specific training over and above a degree in science, nursing, physician assisting, or another health profession. Prerequisites . Recommended eligibility requirements for admission into a surgical assisting program are: Bachelor of Science degree (or higher) Associate degree in an allied ...

  8. Assistive Technology

    Science.gov (United States)

    ... Page Resize Text Printer Friendly Online Chat Assistive Technology Assistive technology (AT) is any service or tool that helps ... be difficult or impossible. For older adults, such technology may be a walker to improve mobility or ...

  9. Assisted Living

    Science.gov (United States)

    ... overwhelming majority of residents are female. Assisted Living Philosophy The philosophy of assisted living is to provide personalized, resident ... loved ones to learn about the care provider philosophy . Freedom of Choice The most progressive state regulations ...

  10. Bridging the Gap between Work and Education in Vocational Education and Training: A study of Norwegian Apprenticeship Training Offices and E-portfolio Systems

    Directory of Open Access Journals (Sweden)

    Hæge Nore

    2014-08-01

    Full Text Available This article explores the effect that the use of e-portfolios initiated and organized by apprenticeship training offices has had on the learning processes and assessment practices of apprentices in Norwegian vocational education and training. Although these intermediate structures have the potential to bridge the gap between work and education, they seem to maintain a system of two parallel learning arenas. However, the article summarizes the innovative effects of these transformations as supportive structures for expansive apprenticeship. The study is based on data from a national project on quality assessment, which is supported by documentary evidence from e-portfolios in three different trades: plumbing, industrial mechanics and sales.

  11. The Dominance of Apprenticeships in the German VET System and Its Implications for Europeanisation: A Comparative View in the Context of the EQF and the European LLL Strategy

    Science.gov (United States)

    Deissinger, Thomas; Heine, Robin; Ott, Mariska

    2011-01-01

    Germany's apprenticeship system is and has always been considered to be the major sub-system of VET. In this context, the debate circling around the European and German Qualifications Framework (EQF and DQR) has become one of the central issues of VET research and policy. Tasks take on a concrete shape if (a) a serious approach is adopted towards…

  12. Two Countries--One System of Vocational Education? A Comparison of the Apprenticeship Reform in the Commercial Sector in Switzerland and Germany

    Science.gov (United States)

    Pilz, Matthias

    2007-01-01

    In both Switzerland and Germany, necessary reforms in vocational education have been taking place for the past few years. By taking a closer look at the commerce sectors of both countries and their reforms, one can better compare their systems of apprenticeship. While the necessity for change in the commercial sector was similar in both countries,…

  13. A Comparison of Student Outcomes and Overall Retention between a 10-Week Accelerated and a 15-Week Traditional Curriculum in a Postsecondary Apprenticeship Training Program

    Science.gov (United States)

    Adams, Gilbert L.

    2013-01-01

    This ex post facto comparison study of a postsecondary apprenticeship program at a naval ship construction company examined 8 years of academic performance and program completion data for two curricular formats: a 15-week traditional group (1,259 apprentices) and a 10-week accelerated group (736 apprentices). The two groups were investigated to…

  14. Investigating the effects of cognitive apprenticeship-based instructional coaching on science teaching efficacy beliefs

    Science.gov (United States)

    Cooper, Teo O. H.

    The overall purpose of this collected papers dissertation was to examine the utility of a cognitive apprenticeship-based instructional coaching (CAIC) model for improving the science teaching efficacy beliefs (STEB) of preservice and inservice elementary teachers. Many of these teachers perceive science as a difficult subject and feel inadequately prepared to teach it. However, teacher efficacy beliefs have been noted as the strongest indicator of teacher quality, the variable most highly correlated with student achievement outcomes. The literature is scarce on strong, evidence-based theoretical models for improving STEB. This dissertation is comprised of two studies. STUDY #1 was a sequential explanatory mixed-methods study investigating the impact of a reformed CAIC elementary science methods course on the STEB of 26 preservice teachers. Data were collected using the Science Teaching Efficacy Belief Instrument (STEBI-B) and from six post-course interviews. A statistically significant increase in STEB was observed in the quantitative strand. The qualitative data suggested that the preservice teachers perceived all of the CAIC methods as influential, but the significance of each method depended on their unique needs and abilities. STUDY #2 was a participatory action research case study exploring the utility of a CAIC professional development program for improving the STEB of five Bahamian inservice teachers and their competency in implementing an inquiry-based curriculum. Data were collected from pre- and post-interviews and two focus group interviews. Overall, the inservice teachers perceived the intervention as highly effective. The scaffolding and coaching were the CAIC methods portrayed as most influential in developing their STEB, highlighting the importance of interpersonal relationship aspects in successful instructional coaching programs. The teachers also described the CAIC approach as integral in supporting their learning to implement the new inquiry

  15. Tritium-assisted fusion breeders

    International Nuclear Information System (INIS)

    This report undertakes a preliminary assessment of the prospects of tritium-assisted D-D fuel cycle fusion breeders. Two well documented fusion power reactor designs - the STARFIRE (D-T fuel cycle) and the WILDCAT (Cat-D fuel cycle) tokamaks - are converted into fusion breeders by replacing the fusion electric blankets with 233U producing fission suppressed blankets; changing the Cat-D fuel cycle mode of operation by one of the several tritium-assisted D-D-based modes of operation considered; adjusting the reactor power level; and modifying the resulting plant cost to account for the design changes. Three sources of tritium are considered for assisting the D-D fuel cycle: tritium produced in the blankets from lithium or from 3He and tritium produced in the client fission reactors. The D-D-based fusion breeders using tritium assistance are found to be the most promising economically, especially the Tritium Catalyzed Deuterium mode of operation in which the 3He exhausted from the plasma is converted, by neutron capture in the blanket, into tritium which is in turn fed back to the plasma. The number of fission reactors of equal thermal power supported by Tritium Catalyzed Deuterium fusion breeders is about 50% higher than that of D-T fusion breeders, and the profitability is found to be slightly lower than that of the D-T fusion breeders

  16. Biogeochemical Cycling

    Science.gov (United States)

    Bebout, Brad; Fonda, Mark (Technical Monitor)

    2002-01-01

    This lecture will introduce the concept of biogeochemical cycling. The roles of microbes in the cycling of nutrients, production and consumption of trace gases, and mineralization will be briefly introduced.

  17. Sulfur cycle

    Digital Repository Service at National Institute of Oceanography (India)

    LokaBharathi, P.A.

    Microbes, especially bacteria, play an important role in oxidative and reductive cycle of sulfur. The oxidative part of the cycle is mediated by photosynthetic bacteria in the presence of light energy and chemosynthetic forms in the absence of light...

  18. Assisted Ventilation.

    Science.gov (United States)

    Dries, David J

    2016-01-01

    Controlled Mechanical Ventilation may be essential in the setting of severe respiratory failure but consequences to the patient including increased use of sedation and neuromuscular blockade may contribute to delirium, atelectasis, and diaphragm dysfunction. Assisted ventilation allows spontaneous breathing activity to restore physiological displacement of the diaphragm and recruit better perfused lung regions. Pressure Support Ventilation is the most frequently used mode of assisted mechanical ventilation. However, this mode continues to provide a monotonous pattern of support for respiration which is normally a dynamic process. Noisy Pressure Support Ventilation where tidal volume is varied randomly by the ventilator may improve ventilation and perfusion matching but the degree of support is still determined by the ventilator. Two more recent modes of ventilation, Proportional Assist Ventilation and Neurally Adjusted Ventilatory Assist (NAVA), allow patient determination of the pattern and depth of ventilation. Proposed advantages of Proportional Assist Ventilation and NAVA include decrease in patient ventilator asynchrony and improved adaptation of ventilator support to changing patient demand. Work of breathing can be normalized with these modes as well. To date, however, a clear pattern of clinical benefit has not been demonstrated. Existing challenges for both of the newer assist modes include monitoring patients with dynamic hyperinflation (auto-positive end expiratory pressure), obstructive lung disease, and air leaks in the ventilator system. NAVA is dependent on consistent transduction of diaphragm activity by an electrode system placed in the esophagus. Longevity of effective support with this technique is unclear. PMID:25501776

  19. Assisted reproduction in Hong Kong: Status in the 1990s

    OpenAIRE

    Loong, EPL; Haines, CJ; Chiu, TYT; Wong, SP; Cheung, LP; So, WWK; Lau, E.; Ng, V; Leung, CKM; Leong, MKH; Wong, CJY; Tang, WWC; Chun, MMP; Ho, PC; Yeung, WSB

    1996-01-01

    Information on assisted reproduction in Hong Kong for the period from January 1992 to December 1993 was collected from the three centres that offer assisted reproduction. Altogether, 912 treatment cycles of in vitro fertilisation and embryo transfer, 158 treatment cycles of gamete intrafallopian transfer, and 87 cycles of zygote intrafallopian transfer were initiated during this period. The delivery rates per cycle started were 8.4% for in vitro fertilisation, 29.1% for gamete intrafallopian ...

  20. Hearing Assistive Technology

    Science.gov (United States)

    ... for the Public / Hearing and Balance Hearing Assistive Technology Hearing Assistive Technology: FM Systems | Infrared Systems | Induction ... Assistive Technology Systems Solutions What are hearing assistive technology systems (HATS)? Hearing assistive technology systems (HATS) are ...

  1. Social origin and access to upper secondary education in Switzerland: a comparison of company-based apprenticeship and exclusively school-based programmes

    OpenAIRE

    Hupka-Brunner, S; Sacchi, S.; Stalder, B.

    2010-01-01

    When making the transition from compulsory school to upper secondary education and training, young people in Switzerland have two main options: company-based apprenticeships or exclusively school-based programmes. Based on Bourdieu, we assume that schools and training firms each have their own particular selection procedures. We expect these different procedures to change the patterns of the influence of social origin on transition – even when controlling school achievement. We...

  2. Experiences of women estate workers during the apprenticeship period in St. Vincent, 1834-38: the transition from slavery to freedom.

    Science.gov (United States)

    Boa, S

    2001-01-01

    In 1834, the British Government abolished slavery in the British Caribbean. In order to appease slave owners, the Government awarded them 20 million compensation money and initiated an apprenticeship period. The aim of the apprenticeship period was to provide a transition from slave to wage labour and tie the ex-slaves to their owners for a further six years. The apprenticeship period was marred by repressive acts by planters against their workers. Women were especially singled out for abuse and lost many of the rights they had gained during slavery. Apprenticeship was eventually abandoned in 1838. Stories of excessive cruelty convinced the colonial authorities that the working relationship between apprentices and managers within the sugar estates had not improved. This article examines the experiences of women apprentices in St Vincent to highlight the indignities that they faced. It also explores the actions that some women employed to improve their working conditions. Previous studies of the Caribbean have mainly focused on the slavery period or the twentieth century. There has so far been little attention paid to the lives of African-Caribbean women immediately after the abolition of slavery. This study helps to explain why so many women withdrew from estate work as soon as they were fully free and chose instead to concentrate on growing and marketing provision crops. During this transitionary period, it became clear to women that working conditions on the estates would not improve for them. The plantation managers' inability to adjust to free labour resulted in a significant withdrawal of female labourers after 1 August 1838. PMID:19678421

  3. Bridging the Gap between Work and Education in Vocational Education and Training. A study of Norwegian Apprenticeship Training Offices and E-Portfolio Systems

    OpenAIRE

    Hæge Nore; Leif Christian Lahn

    2015-01-01

    This article explores the effect that the use of e-portfolios initiated and organized by apprenticeship training offices has had on the learning processes and assessment practices of apprentices in Norwegian vocational education and training. Although these intermediate structures have the potential to bridge the gap between work and education, they seem to maintain a system of two parallel learning arenas. However, the article summarizes the innovative effects of these transformations as sup...

  4. Cycling more for safer cycling

    OpenAIRE

    VAN HOUT, Kurt

    2009-01-01

    Cycling presents a lot of benefits to the individual and to society. Health, environment, accessibility, local businesses, … all gain when more people cycle. Yet many governments are reluctant when it comes to promoting cycling, mainly because of (perceived) safety issues. Since studies have established a clear and consistent relationship between bicycle use and cyclist accident risk, this lack of bicycle promotion will influence the safety outcome of bicyclists. In this paper the relation be...

  5. Cycling injuries.

    OpenAIRE

    Cohen, G. C.

    1993-01-01

    Bicycle-related injuries have increased as cycling has become more popular. Most injuries to recreational riders are associated with overuse or improper fit of the bicycle. Injuries to racers often result from high speeds, which predispose riders to muscle strains, collisions, and falls. Cyclists contact bicycles at the pedals, seat, and handlebars. Each is associated with particular cycling injuries.

  6. Foreign assistance

    International Nuclear Information System (INIS)

    This paper reports that providing energy assistance to developing countries remains a relatively low priority of the Agency for International Development. AID is helping some developing countries meet their energy needs, but this assistance varies substantially because of the agency's decentralized structure. Most AID energy funding has gone to a handful of countries-primarily Egypt and Pakistan. With limited funding in most other countries, AID concentrates on providing technical expertise and promoting energy policy reforms that will encourage both energy efficiency and leverage investment by the private sector and other donors. Although a 1989 congressional directive to pursue a global warming initiative has had a marginal impact on the agency's energy programming, many AID energy programs, including those directed at energy conservation, help address global warming concerns

  7. Glacial cycles

    DEFF Research Database (Denmark)

    Kaufmann, R. K.; Juselius, Katarina

    We use a statistical model, the cointegrated vector autoregressive model, to assess the degree to which variations in Earth's orbit and endogenous climate dynamics can be used to simulate glacial cycles during the late Quaternary (390 kyr-present). To do so, we estimate models of varying complexity...... and compare the accuracy of their in-sample simulations. Results indicate that strong statistical associations between endogenous climate variables are not enough for statistical models to reproduce glacial cycles. Rather, changes in solar insolation associated with changes in Earth's orbit are needed...... to simulate glacial cycles accurately. Also, results suggest that non-linear 10 dynamics, threshold effects, and/or free oscillations may not play an overriding role in glacial cycles....

  8. Fuel cycles

    International Nuclear Information System (INIS)

    AECL publications, from the open literature, on fuels and fuel cycles used in CANDU reactors are listed in this bibliography. The accompanying index is by subject. The bibliography will be brought up to date periodically

  9. The study on reform trend of British modern apprenticeship-Trailblazers%英国现代学徒制改革趋势研究:基于开拓者项目的分析

    Institute of Scientific and Technical Information of China (English)

    苑大勇

    2014-01-01

    The British apprenticeship has a well development conditional. It has formed basic framework of modern apprenticeship. Such as organization, funding mechanisms and the number of apprenticeship training has also in-creasing, but still need to rethink and progress. In March 2014, at the government of UK national apprentice week, announced that the Great Britain will push the blazers apprenticeship reform project ( Trailblazers) model. Implementation of this project is solving the problem of the apprenticeship training quality problem. Meanwhile, make sure enterprises become the dominant force in apprenticeship and simplify the existing system of apprentice-ship. Trailblazers had chosen eight industries as a pilot. The eight industry led by enterprises to design the ability of the apprenticeship standards, cultivation path and the way of evaluation. These measures have some well effect for reform of apprenticeship. It also bring some good opinions.%英国学徒制当前发展态势很好,形成了现代学徒制的基本框架、组织机构、拨款机制,并且参加学徒制培训的人数在不断增加,但是依旧需要反思和进步。2014年3月英国政府的全国学徒周上,宣布英国要推行开拓者项目( Trailblazers)模式的学徒制改革。该项目的实施是为了解决学徒制的培养质量问题,保证企业成为学徒制的主导力量,并且简化已有的学徒制的体系,开拓者项目第一批选取了8个行业作为试点,这8个行业都由企业牵头设计学徒制的能力标准、培养路径、评价方式等。从英国当前开拓者项目的发展情况来看,如何调动企业积极性、让各个利益相关方都能在学徒制改革中发挥作用,英国的做法给了中国职业教育研究者一些启示。

  10. Fes cycling

    Directory of Open Access Journals (Sweden)

    Berkelmans Rik

    2008-01-01

    Full Text Available Many research with functional electrical stimulation (FES has been done to regain mobility and for health benefits. Better results have been reported for FES-cycling than for FES-walking. The majority of the subjects during such research are people with a spinal cord injury (SCI, cause they often lost skin sensation. Besides using surface stimulation also implanted stimulators can be used. This solves the skin sensation problem, but needs a surgery. Many physiological effects of FES-cycling has been reported, e.g., increase of muscles, better blood flow, reduction of pressure ulcers, improved self-image and some reduction of bone mineral density (BMD loss. Also people with an incomplete SCI benefit by FES-cycling, e.g. cycling time without FES, muscle strength and also the walking abilities increased. Hybrid exercise gives an even better cardiovascular training. Presently 4 companies are involved in FES-cycling. They all have a stationary mobility trainer. Two of them also use an outdoor tricycle. One combined with voluntary arm cranking. By optimizing the stimulation parameters the power output and fatigue resistance will increase, but will still be less compared to voluntary cycling.

  11. Using M-learning as a Means to Promote Self-direction and Engagement in Apprenticeship Theoretical Lessons

    Directory of Open Access Journals (Sweden)

    Alan O'Donnell

    2014-06-01

    Full Text Available An exploratory case study was carried out to investigate if the use of mobile phones as a tool for learning could address concerns over the current learning of the carpentry and joinery apprentices in the Dublin Institute of Technology. The concerns are regarding a lack of learner self-direction and engagement with the learning content. A high level of mobile phone usage was apparent among the apprentice cohort. It was decided to take advantage of the potential learning opportunity offered by mobile technologies to promote the learning and engagement of the apprentices. Towards this goal, a compatible resource was developed, hosting presentations, course content, videos and questions. This study explored the views of the learners in the carpentry and joinery trade apprenticeship and their attitudes towards developing an m-learning resource. The aim of the research was to explore if this m-learning resource encouraged self-direction and engagement. Further objectives of this study were to establish a start point for further research projects and resource development.

  12. Assisted hatching in assisted reproduction: a state of the art

    OpenAIRE

    Hammadeh, Mohamad Eid; Fischer-Hammadeh, Constanze; Ali, Khaled Refaat

    2010-01-01

    The World Health Organization estimates that one in six couples experience some delay in conception and an increasing number require treatment by the assisted conception (AC) procedures of in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI).The implantation rate of embryos resulting from in vitro fertilization cycles is generally less than 20%. The exposure of oocytes and embryos to the artificial conditions of in vitro culture may have negative effects on the embryo’s abi...

  13. Koszul cycles

    CERN Document Server

    Bruns, Winfreid; Römer, Tim

    2010-01-01

    We prove regularity bounds for Koszul cycles holding for every ideal of dimension at most 1 in a polynomial ring. We generalize the lower bound for the Green-Lazarsfeld index of Veronese rings we proved in arXiv:0902.2431 to the multihomogeneous setting.

  14. Happy Cycling

    DEFF Research Database (Denmark)

    Geert Jensen, Birgitte; Nielsen, Tom

    2013-01-01

    og Interaktions Design, Aarhus Universitet under opgave teamet: ”Happy Cycling City – Aarhus”. Udfordringen i studieopgaven var at vise nye attraktive løsningsmuligheder i forhold til cyklens og cyklismens integration i byrum samt at påpege relationen mellem design og overordnede diskussioner af...

  15. Fuel cycle

    International Nuclear Information System (INIS)

    The situation of the nuclear fuel cycle for LWR type reactors in France and in the Federal Republic of Germany was presented in 14 lectures with the aim to compare the state-of-the-art in both countries. In addition to the momentarily changing fuilds of fuel element development and fueling strategies, the situation of reprocessing, made interesting by some recent developmnts, was portrayed and differences in ultimate waste disposal elucidated. (orig.)

  16. CERN apprenticeships honoured at the Cité des Métiers

    CERN Multimedia

    2006-01-01

    Florian Métral, an electronics apprentice at CERN, accepting his prize at the award ceremony.CERN's exhibition stand at the Cité des Métiers et des Formations. CERN has just taken part in the Cité des Métiers et des Formations for the first time. This job and training fair, designed to assist both young people and adults in their choice of profession, training or career change, was held at Palexpo, Geneva's main exhibition centre, from 13 to 19 November. CERN had its own stand, where the Laboratory's activities and its many different trades and training opportunities were on display. Throughout the week and the weekend, a series of guides and members of the HR Department took it in turns to present CERN and the wide range of training it offers students and apprentices. Apprentices came into the spotlight on 13 November, when the Union Industrielle Genevoise awarded prizes to the eight most meritorious apprentices in the field of mecatronics (mechanical and electronics engineering) in the Canton of Gene...

  17. Sourcing homegrown talent : partnering with educational institutions to develop unique academic and apprenticeship programs for the energy industry

    Energy Technology Data Exchange (ETDEWEB)

    Anderson, D. [Southern Alberta Inst. of Technology, Calgary, AB (Canada)

    2004-07-01

    The Southern Alberta Institute of Technology (SAIT) is a world leader in providing skilled workers to industry and has a graduate employment rate of 97 per cent. This paper reviews employment opportunities and factors contributing to skills shortages in the energy sector which include: new technologies; new processes; baby-boomers leaving the market in great numbers; new drilling records; changing regulations; the Canada/Alaska pipelines; and growth in developing countries. It was also noted that more than 8,000 full-time positions will be created in the oil sands region of Alberta, with 25,000-30,000 jobs available during construction. However, government sets academic capacity, and there is competition for government funds. There are also increasing workforce qualifications. Examples of academic capacity in SAIT were provided. A comparison of oil patch demand versus SAIT supply was provided. Continuing education in Alberta was outlined, with details of re-training and apprenticeship programs. Issues concerning career pathways and pre-employment training were discussed, with reference to partnerships with high schools and module-based distance learning systems. Issues concerning Aboriginal programs were also examined. In addition, SAIT is moving towards the standardization of an electronic learning model using WebCT. Issues concerning granting status were also addressed and relationships with industry were discussed. Details of the Wellsite Production Education Technology Centre were presented and various advisory committees were outlined. Details of the ExxonMobil Calgary Campus were presented. Curriculum licensing with the University of Trinidad and Tobago was reviewed and the SAIT campus in Kazakhstan was described. It was concluded that future demand for training will be unprecedented and that innovation and commitment to excellence will be key. An energy training summit will be held in early 2005, to examine issues surrounding the provision of skilled labour

  18. Physician-assisted death.

    OpenAIRE

    Senn, John S.

    1995-01-01

    Physician-assisted death includes both euthanasia and assistance in suicide. The CMA urges its members to adhere to the principles of palliative care. It does not support euthanasia and assisted suicide. The following policy summary includes definitions of euthanasia and assisted suicide, background information, basic ethical principles and physician concerns about legalization of physician-assisted death.

  19. 加拿大学徒制的问题、对策选择及启示%Issues and Strategies of Apprenticeship in Canada

    Institute of Scientific and Technical Information of China (English)

    童学敏

    2012-01-01

    通过对1991年至2007年加拿大的学徒制发展情况分析,指出加拿大学徒制面临完成率低、花费高、风险大、认同程度低等问题。加拿大联邦政府针对这些问题,采取了明确学徒制目的、降低企业成本、强化地方政府职能和发挥行业作用等措施并取得了一定的成效。这对我国职业教育的改革发展有所启示。%This article draws on the latest data from Statistics Canada's Registered Apprenticeship Information System (RAIS) to examine trends in apprenticeship training in Canada over the 1991 to 2007 period. The author thinks there are issues about low fulfillment rate, high cost ,big risks and lower level agrees. Canada Federation government takes measures such as giving a definite purpose, reducing the cost, stressing the functions of local governments. These measures make some progress. All these will extend our vision in reform and development of higher vocational education.

  20. Safe cycling!

    CERN Multimedia

    Anaïs Schaeffer

    2012-01-01

    The HSE Unit will be running a cycling safety campaign at the entrances to CERN's restaurants on 14, 15 and 16 May. Pop along to see if they can persuade you to get back in the saddle!   With summer on its way, you might feel like getting your bike out of winter storage. Well, the HSE Unit has come up with some original ideas to remind you of some of the most basic safety rules. This year, the prevention campaign will be focussing on three themes: "Cyclists and their equipment", "The bicycle on the road", and "Other road users". This is an opportunity to think about the condition of your bike as well as how you ride it. From 14 to 16 May, representatives of the Swiss Office of Accident Prevention and the Touring Club Suisse will join members of the HSE Unit at the entrances to CERN's restaurants to give you advice on safe cycling (see box). They will also be organising three activity stands where you can test your knowle...

  1. Proportional assist ventilation as an aid to exercise training in severe chronic obstructive pulmonary disease

    OpenAIRE

    Hawkins, P.; Johnson, L.; Nikoletou, D; Hamnegard, C; Sherwood, R.; Polkey, M.; Moxham, J.

    2002-01-01

    Background: The effects of providing ventilatory assistance to patients with severe chronic obstructive pulmonary disease (COPD) during a high intensity outpatient cycle exercise programme were examined.

  2. Unidirectional circulation in a prebiotic photochemical cycle

    OpenAIRE

    Careri, Giorgio; Wyman, Jeffries

    1985-01-01

    In this brief note, we suggest the possibility that a soliton-assisted unidirectional photochemical cycle has played a role in prebiotic evolution. This suggestion is based on a model calculation which is itself based on the detection of Davydov-type soliton overtones in acetanilide.

  3. “Too busy to think, too tired to learn” - the attrition of the apprenticeship model of surgical training in the United Kingdom

    Directory of Open Access Journals (Sweden)

    Andrea Kelly

    2006-04-01

    Full Text Available Abstract: This article examines the notion of apprenticeship as experienced by trainee surgeons within the modern NHS, and attempts to demonstrate some unintended consequences of managerial target setting upon the training process. It argues that this situation is made more critical by the lack of explicit standards and curriculum by which trainees may assess their progress, and also that the potential grafting of behaviourist competence-based training models onto older notions of apprenticeship will be inadequate to meet the need for an holistic account of the development of professional practice. Alternative theoretical perspectives are examined, in particular social accounts of shared and collaborative expertise such as Lave and Wenger’s “community of practice” and Vygotsky’s thinking on the “zone of proximal development” with its emphasis on a highly active pedagogic role for both mentor and peers. A parallel is also suggested with Leder’s work on therapeutic discourse, in the sense that both patient and trainee actively construct shared interpretative modes with the doctor-mentor. These accounts challenge the traditional model of medical education which assumes a linear hierarchy of learning, effectively ignoring the cyclic nature of surgical development, and the mutual learning needs of “new comers” and “old-timers”. In order to initiate the modelling of surgical development, it is suggested that: • a dynamic and non-linear view of progress is required; • the link between formal structured training and opportunistic learning “on the job” is crucial; • assessment strategies are needed that promote, rather than hinder, the learning that derives from reflective practice.

  4. Influence of Paternal Age on Assisted Reproduction Outcome

    Science.gov (United States)

    2007-08-01

    We Will Retrospectively Assess Our Databases in Our Clinic:; Instituto Valenciano de Infertilidad in Valencia (Spain); Searching for Assisted Reproduction Procedures; (IUI, Standard IVF/ICSI Cycles and Ovum Donation IVF/ICSI Cycles); Who Were Referred to Our Unit to Cryopreserve Sperm During the Period; From January 2000 to December 2006.

  5. Assisted Living Community Profile

    Science.gov (United States)

    ... for the Seniors Housing & Care Industry, reflects NCAL's philosophy of assisted living. 2 Data also from the ... Assisted Living Studies Clinical Practice Guidelines Health Information Technology In-Service Training Tools Periodicals State Regulatory Review ...

  6. Assisted Vaginal Delivery

    Science.gov (United States)

    ... having a repeat assisted vaginal delivery in a future pregnancy? If you have had one assisted vaginal ... Education Green Journal Practice Management Coding Health Info Technology Professional Liability Managing Your Practice Patient Safety & Quality ...

  7. ForeignAssistance.gov

    Data.gov (United States)

    US Agency for International Development — ForeignAssistance.gov provides a view of U.S. Government foreign assistance funds across agencies and enables users to explore, analyze, and review aid investments...

  8. Assisted Reproductive Technology (ART)

    Science.gov (United States)

    ... Information Clinical Trials Resources and Publications Assisted Reproductive Technology (ART) Skip sharing on social media links Share ... American Society for Reproductive Medicine. (2012). Assisted reproductive technologies: A guide for patients . Retrieved June 11, 2012, ...

  9. From Lecturing to Apprenticeship

    DEFF Research Database (Denmark)

    Marchetti, Emanuela; Petersson, Eva

    2012-01-01

    Analysis of museum learning practice and related work has revealed that communication of historical processes resembles school teaching and it may hinder children's participation in museum learning activities. Starting from this issue, a new playful installation was designed actively involving a...

  10. CERN apprenticeship scheme honoured

    CERN Multimedia

    2008-01-01

    Prestigious awards for two apprentices who did their practical training at CERN. Sylvain Heinzen, apprentice physics lab technician at CERN, receiving his award from Pierre-François UNGER, State Councillor responsible for the Federal Department of the Economy and Health. The other award-winner, Cédric Gerber, is on the right of the photo.Among Geneva’s top apprentices who were honoured by the Fondation sociale de l’Union industrielle genevoise (UIG) on 28 October this year, were two CERN apprentices. Electronics technician Cédric Gerber and physics lab technician Sylvain Heinzen both did their four-year sandwich course at CERN, obtaining their professional qualification, the Certificat fédéral de capacité (CFC), in June. On top of that, Cédric Gerber, who had been a particularly outstanding apprentice, received two further distinctions at the CFC awards ceremony - the State Council prize for achieving one of the top-ten o...

  11. Weatherization Apprenticeship Program

    Energy Technology Data Exchange (ETDEWEB)

    Watson, Eric J

    2012-12-18

    Weatherization improvement services will be provided to Native people by Native people. The proposed project will recruit, train and hire two full-time weatherization technicians who will improve the energy efficiency of homes of Alaska Natives/American Indians residing in the Indian areas, within the Cook Inlet Region of Alaska. The Region includes Anchorage as well as 8 small tribal villages: The Native Villages of Eklutna, Knik, Chickaloon, Seldovia, Ninilchik, Kenaitze, Salamatof, and Tyonek. This project will be a partnership between three entities, with Cook Inlet Tribal Council (CITC) as the lead agency: CITCA's Employment and Training Services Department, Cook Inlet Housing Authority and Alaska Works Partnership. Additionally, six of the eight tribal villages within the Cook Inlet Region of Alaska have agreed to work with the project in order to improve the energy efficiency of their tribally owned buildings and homes. The remaining three villages will be invited to participate in the establishment of an intertribal consortium through this project. Tribal homes and buildings within Anchorage fall under Cook Inlet Region, Inc. (CIRI) tribal authority.

  12. VIDEO ASSISTED THYROIDECTOMY

    OpenAIRE

    C. Bradea

    2009-01-01

    Video assisted techniques were documented by M.Gagner (1996 – video assisted parathyroidectomy), Henry (1999), Shimizu (1999), Ohgami (2000), Miccoli (2000 – video assisted parathyroidectomy and thyroidectomy). The advantage of this kind of surgery: aesthetics i.e. trying to make only small scars on the neck. Our first case of video assisted thyroidectomy was a female 50 years of age, with multinodular goiter, nodules of 2-3 cm in each lobe, admitted in our clinic in December 2008. History of...

  13. Thermodynamic analysis of solar assisted multi-functional trigeneration system

    OpenAIRE

    Önder KIZILKAN; Çağatay AKBAŞ

    2016-01-01

    In this study, modelling and thermodynamic analysis of solar assisted trigeneration system was carried out. The required thermal energy for gas and vapor cycles were supplied from solar tower which is a new concept for gas cycle applications. Additionally, an absorption refrigeration cycle, vapor production process, drying process and water heating process were integrated to the system. Energy and exergy efficiencies of the trigeneration system were determined by the application of first and ...

  14. Research on the Enlightenment of the Cognitive Apprenticeship on Social work Practice Education%认知学徒制对社工实习教育的启示探究

    Institute of Scientific and Technical Information of China (English)

    黄锦淑

    2014-01-01

    The development of social work practicum education has gone through from the period of traditional apprenticeship to the period of school education, the disconnection between theory and Practice were occurred. The cognitive apprenticeship can connect the traditional apprenticeship and school education so that it can help students to learn the knowledge as well as the skills to apply in the practical work. Basing on the framework of the cognitive apprenticeship, thinking about how to apply it in social work practicum education with the dimensions of content,method, sequencing and sociology, in order to bring up social worker with theory and skills.%社工实习教育的发展经历了“传统学徒式训练”阶段到“学校专业教育”阶段,存在理论与实践脱节的问题。认知学徒制教育模式将传统学徒制训练和学校专业教育有效连接起来,能够帮助学生把从学校所学知识与在实务工作中的运用联结起来。基于认知学徒制的基本框架,从内容、方法、顺序和社会性四个维度探究认知学徒制对社工实习教育的运用,有助于培养既有理论知识又有专业技能的社会工作者。

  15. Utilising Research ‘Praxis’ to Enhance Teaching Practice in the Domain of Apprenticeship Education: a Report on a Research Capacity Building Pilot Project Run in the School of Construction Skills, Dublin Institute of Technology, Ireland in 2008.

    OpenAIRE

    Kenny, Aidan; Delaney, Niall; Ryan, Aidan

    2009-01-01

    The Dublin Institute of Technology is one of the largest multi-level higher education providers in Ireland, catering for over 22,000 students annually. Under the 1999 Qualifications (Education and Training) Act, DIT became an awarding body in its own right. Programme provision covers apprenticeships, short continuous professional development courses, taught undergraduate and postgraduate, research MPhil and PhDs. While the Institute’s traditional mission1 was focused on teaching and learning ...

  16. Water quality assessment of solar-assisted adsorption desalination cycle

    KAUST Repository

    Kim, Youngdeuk

    2014-07-01

    This study focuses on the water quality assessment (feed, product and brine) of the pilot adsorption desalination (AD) plant. Seawater from the Red Sea is used as feed to the AD plant. Water quality tests are evaluated by complying the Environmental Protection Agency (EPA) standards with major primary and secondary inorganic drinking water pollutants and other commonly tested water quality parameters. Chemical testing of desalinated water at the post desalination stage confirms the high quality of produced fresh water. Test results have shown that the adsorption desalination process is very effective in eliminating all forms of salts, as evidenced by the significant reduction of the TDS levels from approximately 40,000. ppm in feed seawater to less than 10. ppm. Test results exhibit extremely low levels of parameters which are generally abundant in feed seawater. The compositions of seawater and process related parameters such as chloride, sodium, bromide, sulfate, calcium, magnesium, and silicate in desalinated water exhibit values of less than 0.1. ppm. Reported conductivity measurements of desalinated water are comparable to distilled water conductivity levels and ranged between 2 and 6. μS/cm while TOC and TIC levels are also extremely low and its value is less than 0.5. ppm. © 2014 Elsevier B.V.

  17. From Research Assistant to Professional Research Assistance: Research Consulting as a Form of Research Practice

    Science.gov (United States)

    Pollon, Dawn E.; Herbert, Monique; Chahine, Saad; Falenchuk, Olesya

    2013-01-01

    Research assistantships have long been viewed as an extension of the formal education process, a form of apprenticeship, and a pathway into the professional practice of research in institutional settings. However, there are other contexts in which researchers practice research. This self-study documents the formative role research assistantships…

  18. The business cycle and the life cycle

    OpenAIRE

    Paul Gomme; Richard Rogerson; Peter Rupert; Randall Wright

    2004-01-01

    The paper documents how cyclical fluctuations in market work vary over the life cycle and then assesses the predictions of a life-cycle version of the growth model for those observations. The analysis yields a simple but striking finding. The main discrepancy between the model and that data lies in the inability of the model to account for fluctuations in hours for individuals in the first half of their life cycle. The predictions for those in the latter half of the life cycle are quite close...

  19. Uso de antagonista de GnRH (cetrorelix em dose única para evitar ovulações prematuras em ciclos de fertilização assistida Single dose of GnRH antagonist (cetrorelix to avoid premature ovulation in assisted fertilization cycles

    Directory of Open Access Journals (Sweden)

    Pedro Luís Rosan

    2003-09-01

    gravidez foram semelhantes entre os dois grupos. Estudos prospectivos com maior número de pacientes são necessários para confirmar estes achados.PURPOSE: to verify the efficacy of a single subcutaneous dose of cetrorelix acetate to avoid premature ovulation in assisted fertilization cycles. METHODS: this is a prospective, controlled and randomized study, with 20 women undergoing ovarian stimulation for assisted fertilization, 10 of whom were submitted to classical GnRH agonist protocol (control group while 10 utilized a 3-mg subcutaneous dose of the GnRH antagonist on the 7th day of ovarian stimulation (cetrorelix group. Serum FSH, LH, estradiol and progesterone concentrations were assessed on the first, seventh, HCG administration and oocyte retrieval days. Both groups were compared for pituitary suppression (progesterone concentration on HCG day and assisted fertilization cycle performance (gonadotropin ampoules utilized, follicles over 18 mm, retrieved oocytes, fertilization, implantation and pregnancy rates, utilizing Mann-Whitney and Fisher exact tests. RESULTS: no significant difference was observed between control and cetrorelix groups, respectively, for medians of age (31.5 and 34 years, body mass index (24 and 22, gonadotropin ampoles utilized (34 and 32, follicles over 18 mm (3.5 and 3.3, retrieved oocytes (11 and 5, obtained embryos (4 and 3, fertilization (93,7 and 60%, p=0.07 and pregnancy rates (50 and 60%, p=0.07. Efficient pituitary blockade through the ovarian stimulation period was observed for both groups. CONCLUSIONS: these results confirm the efficacy of a 3-mg dose of cetrorelix acetate to prevent premature ovulation in patients undergoing assisted fertilization and suggest a tendency towards a smaller number of embryos and fertilization rates in the cetrorelix group than in the control group. Implantation and pregnancy rates were similar between groups. Other prospective studies with a greater number of patients should be performed to confirm

  20. Assistance Focus: Africa (Brochure)

    Energy Technology Data Exchange (ETDEWEB)

    2014-12-01

    The Clean Energy Solutions Center Ask an Expert service connects governments seeking policy information and advice with one of more than 30 global policy experts who can provide reliable and unbiased quick-response advice and information. The service is available at no cost to government agency representatives from any country and the technical institutes assisting them. This publication presents summaries of assistance provided to African governments, including the benefits of that assistance.

  1. LUCAS - Lund University Cardiopulmonary Assist System

    OpenAIRE

    Liao, Qiuming

    2011-01-01

    Lund University Cardiopulmonary Assist System (LUCAS) is a mechanical device providing automatic 5 cm deep chest compressions and active decompressions back to normal anatomical position with a frequency of 100 per minute, and a duty cycle of 50%, i.e., LUCAS is constructed to give chest compressions according to the latest international guidelines in cardiopulmonary resuscitation (CPR). The aim of the thesis was to study cardiac arrest using different porcine models of ventricular fi...

  2. Expectations of assisted conception for infertility.

    OpenAIRE

    Hull, M G; Eddowes, H. A.; Fahy, U.; Abuzeid, M. I.; Mills, M. S.; Cahill, D J; Fleming, C. F.; Wardle, P. G.; Ford, W. C.; McDermott, A.

    1992-01-01

    OBJECTIVE--To provide reliable prognostic information for couples seeking assisted conception. DESIGN--Analysis of four years' practice (1988-91). SETTING--Private university service linked with NHS reproductive medicine services. PATIENTS--804 couples with various causes of subfertility, median duration five years, median age of women 34 years. INTERVENTIONS--1280 completed cycles: 950 in vitro fertilisation, 144 gamete intrafallopian transfer, and 186 intrauterine insemination and superovul...

  3. Turning assistive machines into assistive robots

    Science.gov (United States)

    Argall, Brenna D.

    2015-01-01

    For decades, the potential for automation in particular, in the form of smart wheelchairs to aid those with motor, or cognitive, impairments has been recognized. It is a paradox that often the more severe a person's motor impairment, the more challenging it is for them to operate the very assistive machines which might enhance their quality of life. A primary aim of my lab is to address this confound by incorporating robotics autonomy and intelligence into assistive machines turning the machine into a kind of robot, and offloading some of the control burden from the user. Robots already synthetically sense, act in and reason about the world, and these technologies can be leveraged to help bridge the gap left by sensory, motor or cognitive impairments in the users of assistive machines. This paper overviews some of the ongoing projects in my lab, which strives to advance human ability through robotics autonomy.

  4. Thermodynamic analysis of solar assisted multi-functional trigeneration system

    Directory of Open Access Journals (Sweden)

    Önder KIZILKAN

    2016-02-01

    Full Text Available In this study, modelling and thermodynamic analysis of solar assisted trigeneration system was carried out. The required thermal energy for gas and vapor cycles were supplied from solar tower which is a new concept for gas cycle applications. Additionally, an absorption refrigeration cycle, vapor production process, drying process and water heating process were integrated to the system. Energy and exergy efficiencies of the trigeneration system were determined by the application of first and second law analyses. The results showed that the gas cycle efficiency was found to be 31%, vapor cycle efficiency was found to be 28% and coefficient of performance (COP values of the refrigeration system was found to be 0.77. Also the highest exergy destruction rate was found to be 4154 kW in solar tower.Keywords: Solar tower, Trigeneration, Gas cycle, Vapor cycle, Energy, Exergy

  5. Solar cycle 25: another moderate cycle?

    CERN Document Server

    Cameron, Robert H; Schuessler, Manfred

    2016-01-01

    Surface flux transport simulations for the descending phase of cycle 24 using random sources (emerging bipolar magnetic regions) with empirically determined scatter of their properties provide a prediction of the axial dipole moment during the upcoming activity minimum together with a realistic uncertainty range. The expectation value for the dipole moment around 2020 $(2.5\\pm1.1\\,$G) is comparable to that observed at the end of cycle 23 (about $2\\,$G). The empirical correlation between the dipole moment during solar minimum and the strength of the subsequent cycle thus suggests that cycle 25 will be of moderate amplitude, not much higher than that of the current cycle. However, the intrinsic uncertainty of such predictions resulting from the random scatter of the source properties is considerable and fundamentally limits the reliability with which such predictions can be made before activity minimum is reached.

  6. Solar Cycle 25: Another Moderate Cycle?

    Science.gov (United States)

    Cameron, R. H.; Jiang, J.; Schüssler, M.

    2016-06-01

    Surface flux transport simulations for the descending phase of Cycle 24 using random sources (emerging bipolar magnetic regions) with empirically determined scatter of their properties provide a prediction of the axial dipole moment during the upcoming activity minimum together with a realistic uncertainty range. The expectation value for the dipole moment around 2020 (2.5 ± 1.1 G) is comparable to that observed at the end of Cycle 23 (about 2 G). The empirical correlation between the dipole moment during solar minimum and the strength of the subsequent cycle thus suggests that Cycle 25 will be of moderate amplitude, not much higher than that of the current cycle. However, the intrinsic uncertainty of such predictions resulting from the random scatter of the source properties is considerable and fundamentally limits the reliability with which such predictions can be made before activity minimum is reached.

  7. Ventilator-associated lung injury during assisted mechanical ventilation.

    Science.gov (United States)

    Saddy, Felipe; Sutherasan, Yuda; Rocco, Patricia R M; Pelosi, Paolo

    2014-08-01

    Assisted mechanical ventilation (MV) may be a favorable alternative to controlled MV at the early phase of acute respiratory distress syndrome (ARDS), since it requires less sedation, no paralysis and is associated with less hemodynamic deterioration, better distal organ perfusion, and lung protection, thus reducing the risk of ventilator-associated lung injury (VALI). In the present review, we discuss VALI in relation to assisted MV strategies, such as volume assist-control ventilation, pressure assist-control ventilation, pressure support ventilation (PSV), airway pressure release ventilation (APRV), APRV with PSV, proportional assist ventilation (PAV), noisy ventilation, and neurally adjusted ventilatory assistance (NAVA). In summary, we suggest that assisted MV can be used in ARDS patients in the following situations: (1) Pao(2)/Fio(2) >150 mm Hg and positive end-expiratory pressure ≥ 5 cm H(2)O and (2) with modalities of pressure-targeted and time-cycled breaths including more or less spontaneous or supported breaths (A-PCV [assisted pressure-controlled ventilation] or APRV). Furthermore, during assisted MV, the following parameters should be monitored: inspiratory drive, transpulmonary pressure, and tidal volume (6 mL/kg). Further studies are required to determine the impact of novel modalities of assisted ventilation such as PAV, noisy pressure support, and NAVA on VALI. PMID:25105820

  8. Service water assistance program

    Energy Technology Data Exchange (ETDEWEB)

    Munchausen, J.H. [EPRI Plant Support Engineering, Charlotte, NC (United States)

    1995-09-01

    The Service Water Assistance Program was developed to provide utility service water system engineers with a mechanism to quickly and efficiently address service water issues. Since its inception, its ability to assist utilities has resulted in a reduction in the operations and maintenance costs associated with service water systems and has provided a medium for EPRI awareness of industry service water issues.

  9. Service water assistance program

    International Nuclear Information System (INIS)

    The Service Water Assistance Program was developed to provide utility service water system engineers with a mechanism to quickly and efficiently address service water issues. Since its inception, its ability to assist utilities has resulted in a reduction in the operations and maintenance costs associated with service water systems and has provided a medium for EPRI awareness of industry service water issues

  10. Egress door opening assister

    Energy Technology Data Exchange (ETDEWEB)

    Allison, Thomas L.

    2015-10-06

    A door opening spring assistance apparatus is set forth that will automatically apply a door opening assistance force using a combination of rods and coil springs. The release of the rods by the coil springs reduces the force required to set the door in motion.

  11. Economic Impact Analysis of Marker-Assisted Breeding in Rice

    OpenAIRE

    Alpuerto, Vida; Norton, George W.; Alwang, Jeffrey Roger

    2008-01-01

    The benefits of developing and releasing salinity-tolerant and phosphorous-deficiency-tolerant rice in Bangladesh, India, Indonesia and the Philippines were estimated for marker-assisted breeding as compared to conventional breeding using economic surplus analysis. Marker-assisted breeding is estimated to save at least 2 to 3 years in the breeding cycle and result in incremental benefits over 25 years in the range of $300 to $800 million depending on the country, stress, and time lags. Salini...

  12. Cycling in Sydney, Australia

    Directory of Open Access Journals (Sweden)

    Alexis Zander

    2013-01-01

    Full Text Available Introduction. Cycling can be an enjoyable way to meet physical activity recommendations and is suitable for older people; however cycling participation by older Australians is low. This qualitative study explored motivators, enablers, and barriers to cycling among older people through an age-targeted cycling promotion program. Methods. Seventeen adults who aged 50–75 years participated in a 12-week cycling promotion program which included a cycling skills course, mentor, and resource pack. Semistructured interviews at the beginning and end of the program explored motivators, enablers, and barriers to cycling. Results. Fitness and recreation were the primary motivators for cycling. The biggest barrier was fear of cars and traffic, and the cycling skills course was the most important enabler for improving participants’ confidence. Reported outcomes from cycling included improved quality of life (better mental health, social benefit, and empowerment and improved physical health. Conclusions. A simple cycling program increased cycling participation among older people. This work confirms the importance of improving confidence in this age group through a skills course, mentors, and maps and highlights additional strategies for promoting cycling, such as ongoing improvement to infrastructure and advertising.

  13. Designing Real Time Assistive Technologies

    DEFF Research Database (Denmark)

    Sonne, Tobias; Obel, Carsten; Grønbæk, Kaj

    2015-01-01

    design criteria in relation to three core components (sensing, recognizing, and assisting) for designing real time assistive technologies for children with ADHD. Based on these design criteria, we designed the Child Activity Sensing and Training Tool (CASTT), a real time assistive prototype that captures......) real time assistive technologies have potential to assist children with ADHD in regaining attention in critical school situations....

  14. Life cycle assessment (LCA)

    DEFF Research Database (Denmark)

    Thrane, Mikkel; Schmidt, Jannick Andresen

    2004-01-01

    The chapter introduces Life Cycle Assessment (LCA) and its application according to the ISO 1404043 standards.......The chapter introduces Life Cycle Assessment (LCA) and its application according to the ISO 1404043 standards....

  15. Electrohydraulic ventricular assist device development.

    Science.gov (United States)

    Diegel, P D; Mussivand, T; Holfert, J W; Juretich, J T; Miller, J A; Maclean, G K; Szurmak, Z; Santerre, J P; Rajagopalan, K; Dew, P A

    1992-01-01

    An electrohydraulic ventricular assist device has been developed. An axial flow pump driven by a brushless DC motor provides actuation. Energy is supplied by internal Ni/Cd batteries and by external Ag/Zn batteries, both rechargeable. Electromagnetic induction is used to pass energy through the skin with a transcutaneous energy transfer (TET) system. Physiologic control, battery management, motor commutation, and communication functions are performed by a surface mount internal controller. An infrared data link within the TET coils provides bidirectional communication between the external and internal controllers. A computer model was developed to predict system performance. The dimensions are 180 mm x 116 mm x 40 mm. An in vitro system pumped 5.7 L/min at 10 mmHg inflow and 100 mmHg outflow pressure. The internal battery can provide the projected energy requirements for 40 min after 540 charge/discharge cycles, and the external battery is capable of 4 hr of operation after 150 cycles. The TET system can deliver 60 W of power and exceeds 80% efficiency between 15 and 30 W. The device configuration is based on human cadaver and intraoperative fit trials. The device is being modified for calf implantation by redirecting the blood ports, increasing the output, and incorporating the internal controller in the unified device base. PMID:1457871

  16. Weatherization Assistance Program Technical Assistance Center

    Energy Technology Data Exchange (ETDEWEB)

    Robert Adams

    2009-01-07

    The following is a synopsis of the major achievements attributed to the operation of the Weatherization Assistance Program Technical Assistance Center (WAPTAC) by the National Association for State Community Services Programs (NASCSP). During the past five years, the WAPTAC has developed into the premier source for information related to operating the Weatherization Assistance Program (WAP) at the state and local levels. The services provide through WAPTAC include both virtual technical support as well as hands-on training and instruction in classroom and in the field. The WAPTAC achieved several important milestones during its operation including the establishment of a national Weatherization Day now celebrated in most states, the implementation of a comprehensive Public Information Campaign (PIC) to raise the awareness of the Program among policy makers and the public, the training of more than 150 new state managers and staff as they assume their duties in state offices around the country, and the creation and support of a major virtual information source on the Internet being accessed by thousands of staff each month. The Weatherization Assistance Program Technical Assistance Center serves the Department of Energy's (DOE) Office of Weatherization and Intergovernmental Program as a valuable training and technical assistance resource for the network of 54 direct state grantees (50 states, District of Columbia and three Native American tribes) and the network of 900 local subgrantees (comprised of community action agencies, units of local government, and other non-profit organizations). The services provided through WAPTAC focus on standardizing and improving the daily management of the WAP. Staff continually identify policies changes and best practices to help the network improve its effectiveness and enhance the benefits of the Program for the customers who receive service and the federal and private investors. The operations of WAPTAC are separated into

  17. FEMA Hazard Mitigation Assistance Flood Mitigation Assistance (FMA) Data

    Data.gov (United States)

    Department of Homeland Security — This dataset contains closed and obligated projects funded under the following Hazard Mitigation Assistance (HMA) grant programs: Flood Mitigation Assistance (FMA)....

  18. HIV Life Cycle

    Science.gov (United States)

    HIV Overview The HIV Life Cycle (Last updated 9/22/2015; last reviewed 9/22/2015) Key Points HIV gradually destroys the immune ... life cycle. What is the connection between the HIV life cycle and HIV medicines? Antiretroviral therapy (ART) ...

  19. Cycling To Awareness.

    Science.gov (United States)

    Kozak, Stan

    1999-01-01

    Encourages environmental and outdoor educators to promote bicycling. In the community and the curriculum, cycling connects environmental issues, health and fitness, law and citizenship, appropriate technology, and the joy of being outdoors. Describes the Ontario Cycling Association's cycling strategy and its four components: school cycling…

  20. Social and Human Service Assistants

    Science.gov (United States)

    ... Similar Occupations More Info Summary Social and human service assistants help clients to identify and obtain benefits and services. Quick ... and Human Service Assistants Do Social and human service assistants provide client services, including support for families, in a wide ...

  1. Robotic assisted laparoscopic colectomy.

    LENUS (Irish Health Repository)

    Pandalai, S

    2010-06-01

    Robotic surgery has evolved over the last decade to compensate for limitations in human dexterity. It avoids the need for a trained assistant while decreasing error rates such as perforations. The nature of the robotic assistance varies from voice activated camera control to more elaborate telerobotic systems such as the Zeus and the Da Vinci where the surgeon controls the robotic arms using a console. Herein, we report the first series of robotic assisted colectomies in Ireland using a voice activated camera control system.

  2. Neural network prediction of solar cycle 24

    Institute of Scientific and Technical Information of China (English)

    A. Ajabshirizadeh; N. Masoumzadeh Jouzdani; Shahram Abbassi

    2011-01-01

    The ability to predict the future behavior of solar activity has become extremely import due to its effect on the environment near the Earth. Predictions of both the amplitude and timing of the next solar cycle will assist in estimating the various consequences of space weather. The level of solar activity is usually expressed by international sunspot number (Rz). Several prediction techniques have been applied and have achieved varying degrees of success in the domain of solar activity prediction.We predict a solar index (Rz) in solar cycle 24 by using a neural network method. The neural network technique is used to analyze the time series of solar activity. According to our predictions of yearly sunspot number, the maximum of cycle 24 will occur in the year 2013 and will have an annual mean sunspot number of 65. Finally, we discuss our results in order to compare them with other suggested predictions.

  3. Robot-Assisted Prostatectomy

    Medline Plus

    Full Text Available ... this da Vinci assisted laparoscopic radical prostatectomy. Our scrub, which is Alex Santander, our nurse anesthetist back ... Okay, Dr. Pinon, you’re going to come scrub in? Yes, I will, yes. Dr. Pinon is ...

  4. Robot-Assisted Prostatectomy

    Medline Plus

    Full Text Available ... joysticks and his feet pressing on pedals to control these robotic instruments. There’s almost always an assistant ... Sure. To help divide the tissue and to control bleeding. Right now I’m going to clean ...

  5. Superfund Technical Assistance Grants

    Data.gov (United States)

    U.S. Environmental Protection Agency — This asset includes data related to the Superfund Technical Assistance Grant program, including grant number, award amounts, award dates, period of performance,...

  6. Financial Assistance Information

    Science.gov (United States)

    ... Other Sites: Genetic and Rare Diseases Information Center Financial Assistance Information The National Institutes of Health (NIH) ... area call 900-638-0742. Top of page Financial Aid for Medical Treatments Information on financial aid ...

  7. Robot-Assisted Prostatectomy

    Medline Plus

    Full Text Available ... Robotic Surgery. My name is Dr. Andy Pinon. This is my partner, Dr. Darren Bruck. He’s going ... at the very beginning, helping us navigate through this da Vinci assisted laparoscopic radical prostatectomy. Our scrub, ...

  8. Robot-Assisted Prostatectomy

    Medline Plus

    Full Text Available Watch South Miami Hospital Surgeons Perform Robot-Assisted Prostatectomy South Miami Hospital Miami, FL January 19, 2010 Good afternoon. Welcome to the South Miami Hospital operating room, the Center ...

  9. Computer assisted radiology

    International Nuclear Information System (INIS)

    The proceedings of the CAR'93 symposium present the 126 oral papers and the 58 posters contributed to the four Technical Sessions entitled: (1) Image Management, (2) Medical Workstations, (3) Digital Image Generation - DIG, and (4) Application Systems - AS. Topics discussed in Session (1) are: picture archiving and communication systems, teleradiology, hospital information systems and radiological information systems, technology assessment and implications, standards, and data bases. Session (2) deals with computer vision, computer graphics, design and application, man computer interaction. Session (3) goes into the details of the diagnostic examination methods such as digital radiography, MRI, CT, nuclear medicine, ultrasound, digital angiography, and multimodality imaging. Session (4) is devoted to computer-assisted techniques, as there are: computer assisted radiological diagnosis, knowledge based systems, computer assisted radiation therapy and computer assisted surgical planning. (UWA). 266 figs

  10. Homelessness Assistance and Resources

    Science.gov (United States)

    ... Performance Measure Resources View videos, programming specifications, an introductory guide, and more on how CoCs can measure ... a Program Affordable Housing Community Development Consolidated Planning Economic Development Environmental Review Financial Management Homelessness Assistance Rural ...

  11. Assisted Reproductive Technology

    Science.gov (United States)

    Assisted reproductive technology (ART) is used to treat infertility. It includes fertility treatments that handle both a woman's egg ... back in the woman's body. In vitro fertilization (IVF) is the most common and effective type of ...

  12. Robot-Assisted Prostatectomy

    Medline Plus

    Full Text Available ... prostatic fossa. Okay. This is where the prostate sat. If you look at the bottom of the ... as assistant, and I am waiting for the new instruments to be inserted so we can perform ...

  13. Concepts in Assisted Circulation

    OpenAIRE

    Lefemine, Armand A.; Dunbar, Jacob; DeLucia, Anthony

    1986-01-01

    Assisted circulation by extracorporeal and extracardiac bypass techniques must be based on the requirements of the heart and of the total body, though these may differ. The cardiac problem in cardiogenic shock is more likely to be a biventricular problem demanding decompression of both sides. Extra pulmonary oxygenation should be avoided because of complexity in long-term use. Principles of assisted circulation may be applied in an extra-thoracic temporary manner or as an intracorporeal long-...

  14. Heteronuclear proton assisted recoupling

    OpenAIRE

    De Paëpe, Gaël; Lewandowski, Józef R.; Loquet, Antoine; Eddy, Matt; Megy, Simon; Böckmann, Anja; Griffin, Robert G.

    2011-01-01

    We describe a theoretical framework for understanding the heteronuclear version of the third spin assisted recoupling polarization transfer mechanism and demonstrate its potential for detecting long-distance intramolecular and intermolecular 15N–13C contacts in biomolecular systems. The pulse sequence, proton assisted insensitive nuclei cross polarization (PAIN-CP) relies on a cross term between 1H–15N and 1H–13C dipolar couplings to mediate zero- and/or double-quantum 15N–13C recoupling. In ...

  15. Mechanical Circulatory Assist Devices

    OpenAIRE

    Park, Sang B.; Magovern, George J.; Christlieb, Ignacio Y.; Kao, Race L.

    1987-01-01

    Cardiogenic shock occurs in about 10% of the 1.5 million patients who suffer myocardial infarction and in approximately 1% of the 200,000 patients who undergo open-heart surgery each year. The ventricular assist device decreases the workload of the failing ventricles and increases the blood flow through the coronary system. Recovery of failing myocardium after mechanical circulatory assistance has been well documented; however, the mechanisms that contribute to the recovery of a failing heart...

  16. 美国注册学徒制的演进轨迹与最新举措%The Evolution Path and Latest Policies of Registered Apprenticeship in the U.S.A

    Institute of Scientific and Technical Information of China (English)

    陈圆

    2015-01-01

    Modern apprenticeship has been acknowledged as the primary way of vocational training in developed countries. Since 1937, the operation of registered apprenticeship in the USA has shown the following tendency: the construction and manufacturing industries dominated while new industries underdeveloped; the overall operation declined though the effort of reform in 2008 seemed to be paying off to some extent and the developments among different stats are unequal. To meet the need of current and future economic and social development in the USA, the federal government launched a series of revitalization plans in 2014, including constructing the Registered Apprenticeship College Consortium which involves all the stakeholders as employers, industry associations, training institutions, community colleges, labor organizations, governments and etc., increasing government investment, expanding areas of implementation and rise space of apprenticeship vocational education.%现代学徒制是近年来发达国家职业教育的重要途径和主要手段。美国自1937年推行注册学徒制以来,呈现出建筑和制造行业占据主导而新兴行业发展不足、“08新政”成效初显但总体运行态势有所下滑、区域发展参差不齐的演进轨迹。为顺应美国当前和未来经济社会发展的需要,美国政府于2014年推出注册学徒制振兴计划,构建包含企业、行业协会、培训机构、社区大学、劳工组织和政府等单位与组织在内的“注册学徒计划-院校联盟”联盟,增加政府投入,扩大实施领域,拓宽上升通道。”

  17. Opportunities for fuel cycle development

    International Nuclear Information System (INIS)

    Today the Nuclear Industry is faced with several key challenges, not least that in all it does it has to achieve the highest levels of safety, pursue waste management options acceptable to the industry and general public, operate within varying political climates, and tackle these within a cost regime competitive with fossil fuel generated electricity. These are undoubtedly testing challenges, but on looking to the future there are certain trends which may prove beneficial to the industry and assist in mitigating them - namely that global energy demands are forecast to steadily increase over the next twenty years and beyond, and that in meeting this demand, the desire is to do so with minimal environmental impact. This paper will describe the part nuclear generation can play in servicing future energy demands, how the nuclear resource can best be utilised, how the 'holistic fuel cycle' philosophy can provide a framework for tackling the challenges faced by the industry, and the extent by which international co-operation can support certain advances in the fuel cycle. (author)

  18. The Solar Cycle

    Directory of Open Access Journals (Sweden)

    David H. Hathaway

    2015-09-01

    Full Text Available The solar cycle is reviewed. The 11-year cycle of solar activity is characterized by the rise and fall in the numbers and surface area of sunspots. A number of other solar activity indicators also vary in association with the sunspots including; the 10.7 cm radio flux, the total solar irradiance, the magnetic field, flares and coronal mass ejections, geomagnetic activity, galactic cosmic ray fluxes, and radioisotopes in tree rings and ice cores. Individual solar cycles are characterized by their maxima and minima, cycle periods and amplitudes, cycle shape, the equatorward drift of the active latitudes, hemispheric asymmetries, and active longitudes. Cycle-to-cycle variability includes the Maunder Minimum, the Gleissberg Cycle, and the Gnevyshev–Ohl (even-odd Rule. Short-term variability includes the 154-day periodicity, quasi-biennial variations, and double-peaked maxima. We conclude with an examination of prediction techniques for the solar cycle and a closer look at cycles 23 and 24.

  19. El aprendizaje on-line: oportunidades y retos en instituciones politécnicas Apprenticeship Students Learning On-line: Opportunities and Challenges for Polytechnic Institutions

    Directory of Open Access Journals (Sweden)

    Martha Burkle

    2011-10-01

    challenges and opportunities of delivering on-line and virtual content to apprentices in a Polytechnic institution. Due to the current financial recession, apprentices are going back to academia in order to update their skills, but these potential students are not willing to leave their workplace or their personal lives behind to study. In this context on-line delivery represents an opportunity to provide access to content without leaving the work environment. However, in order to be successful in providing on-line materials for apprentices, polytechnics around the world are facing two challenges: How to transform hands-on Learning skills to online Learning material, and how to provide a rich-engaging environment for this group of learners. But not only the learner expectations should be taken when designing on-line learning. Instructors play also a crucial role in this endeavor, as Web 2.0 technologies offer the instructor an entirely new role in teaching: that of a facilitator. In order to analyze apprenticeship students’ on-line learning, 57 on-line surveys were distributed among a group of students registered for on-line apprenticeship programs. The paper presents research findings and a comparison of these with a what the literature states regarding the new generation of learners and their use of technologies, and the behavior (learning preferences, learning styles, use of IT presented by the research sample. Innovative opportunities for learning at the workplace (such as recommendations and future areas of research are suggested.

  20. 75 FR 63147 - Solicitation of Applications for the Public Works, Economic Adjustment Assistance, and Global...

    Science.gov (United States)

    2010-10-14

    ... and National Technical Assistance. This notice introduces the concept of funding cycles in the context... where substantial direct project-related benefits will occur, or the geographic area of poverty or...

  1. Effect of calcium ionophore on unfertilized oocytes after ICSI cycles

    OpenAIRE

    Maryam Eftekhar; Farnaz Mohammadian; Fariba Yousefnejad; Parisa Khani; Abbas Aflatoonian

    2012-01-01

    Background: Fertilization failure is one of the most problems in assisted reproduction technology (ART). Objective: The aim of this study was the evaluation of oocytes activation by addition of calcium ionophore in unfertilized oocytes in ICSI cycles. Materials and Methods: This study was done on 15 ICSI cycles (stimulated with standard long protocol). Mature retrieved oocytes with normal morphology that had no evidence of fertilization 24 hours after ICSI were included in the study. The oocy...

  2. Hormônio anti-Mülleriano sérico para predição da resposta ovariana em ciclos de reprodução assistida Serum anti-Müllerian hormone to predict ovarian response in assisted reproduction cycles

    Directory of Open Access Journals (Sweden)

    Gustavo Salata Romão

    2012-12-01

    responders. METHODS: Nineteen women aged ≥35, presenting with regular menses, submitted to ovarian stimulation for assisted reproduction were included. Women with endometriosis, polycystic ovarian syndrome or those who were previously submitted to ovarian surgery were excluded. On the basal and seventh day of ovarian stimulation, a peripheral blood sample was drawn for the determination of AMH, FSH and estradiol levels. AMH levels were assessed by ELISA and FSH, and estradiol by immunochemiluminescence. At the end of the stimulation cycle patients were classified as normal responders (if four or more oocytes were obtained during oocyte retrieval or poor responders (if less than four oocytes were obtained during oocyte retrieval or if the cycle was cancelled due to failure of ovulation induction and comparatively analyzed by the t-test for hormonal levels, length of ovarian stimulation, number of follicles retrieved, and number of produced and transferred embryos. The association between AMH and these parameters was also analyzed by the Spearman correlation test. RESULTS: There was no significant difference between groups for basal or the seventh day as to AMH, FSH and estradiol levels. There was a significant correlation between seventh day AMH levels and the total amount of exogenous FSH used (p=0.02. CONCLUSIONS: AMH levels on the seventh day of the ovarian stimulation cycle do not seem to predict the pattern of ovarian response and their determination is not recommended for this purpose.

  3. Euro area business cycles

    OpenAIRE

    Atilim Seymen

    2012-01-01

    The role of global, euro area and country-specific shocks in business cycle dynamics of six euro area member countries is assessed with the aid of SVAR models. Output fluctuations are driven by global shocks to a large extent in the euro area, and no Europeanisation of business cycles due to, for example the European Monetary Union, could be established. Business cycle heterogeneity is driven mainly by (asymmetric) country-specific shocks in the euro area and not by heterogeneous responses to...

  4. Fast breeder fuel cycle

    International Nuclear Information System (INIS)

    Basic elements of the ex-reactor part of the fuel cycle (reprocessing, fabrication, waste handling and transportation) are described. Possible technical and proliferation measures are evaluated, including current methods of accountability, surveillance and protection. The reference oxide based cycle and advanced cycles based on carbide and metallic fuels are considered utilizing conventional processes; advanced nonaqueous reprocessing is also considered. This contribution provides a comprehensive data base for evaluation of proliferation risks

  5. Real business cycle realizations

    OpenAIRE

    Smith, Gregor W.; Stanley E. Zin

    1997-01-01

    Much recent business cycle research focuses on moments of macroeconomic aggregates. We construct examples of real business cycle sample paths for output, consumption, and employment for the U.S. economy. Annual sample paths are generated from an initial condition in 1925, measured technology and government spending shocks since then, and a standard, calibrated, one-sector model of the business cycle. Quarterly sample paths are generated similarly, from an initial condition in 1955. The law of...

  6. Fictitious Supercontinent Cycles

    CERN Document Server

    Herndon, J Marvin

    2013-01-01

    Descriptions of phenomena, events, or processes made on the basis of problematic paradigms can be unreasonably complex (e.g. epicycles) or simply wrong (e.g. ultraviolet catastrophe). Supercontinent cycles, also called Wilson cycles, are, I submit, artificial constructs, like epicycles. Here I provide the basis for that assertion and describe published considerations from a fundamentally different, new, indivisible geoscience paradigm which obviate the necessity for assuming supercontinent cycles.

  7. Alternative fuel cycles

    International Nuclear Information System (INIS)

    Uranium resource utilization and economic considerations provide incentives to study alternative fuel cycles as future options to the PHWR natural uranium cycle. Preliminary studies to define the most favourable alternatives and their possible introduction dates are discussed. The important and uncertain components which influence option selection are reviewed, including nuclear capacity growth, uranium availability and demand, economic potential, and required technological developments. Finally, a summary of Ontario Hydro's program to further assess cycle selection and define development needs is given. (auth)

  8. Friction Generated Limit Cycles

    OpenAIRE

    Ohlsson, Henrik; Åström, Karl Johan

    2001-01-01

    This paper treats limit cycles caused by friction. The goal has been to explain phenomena that have been observed experimentally in mechatronic systems. Experiments have shown that oscillations of qualitatively different types can be obtained simply by changing controller specifications. Stiction is important in some cases but not in others. Necessary conditions for limit cycle are given for the case where stiction is important. Conditions for local stability of the limit cycles are also pres...

  9. [Cycling in Zagreb].

    Science.gov (United States)

    Matos, Stipan; Krapac, Ladislav; Krapac, Josip

    2007-01-01

    Cycling in Zagreb, as means of urban transport inside and outside the city, has a bright past, hazy presence but a promising future. Every day, aggressive citizens who lack urban traffic culture mistreat many cyclists but also many pedestrians. Sedentary way of living, unhealthy eating habits and inadequate recreation would surely be reduced if Zagreb had a network of cycling tracks (190 cm) or lanes (80 cm). Main city roads were constructed at the beginning of the 20th century. Today, the lack of cycling tracks is particularly evident in terms of missing connections between northern and southern parts of the city. Transportation of bikes in public vehicles, parking of bikes as well as cycling along the foot of the mountains Medvednica and Zumberacko gorje is not adequately organized. Better organization is necessary not only because of the present young generation but also because of the young who will shortly become citizens of the EU, where cycling is enormously popular. Cycling tourism is not known in Zagreb, partly due to inadequate roads. The surroundings of Zagreb are more suitable for cycling tourism and attractive brochures and tourist guides offer information to tourists on bikes. Professional, acrobatic and sports cycling do not have a tradition in Zagreb and in Croatia. The same holds true for recreational cycling and indoor exercise cycling. The authors discuss the impact of popularization of cycling using print and electronic media. The role of district and local self-government in the construction and improvement of traffic roads in Zagreb is very important. It is also significant for the implementation of legal regulations that must be obeyed by all traffic participants in order to protect cyclists, the most vulnerable group of traffic participants besides passengers. Multidisciplinary action of all benevolent experts would surely increase safety and pleasure of cycling in the city and its surroundings. This would also help reduce daily stress and

  10. Historicising the Hydrosocial Cycle

    OpenAIRE

    Jeremy J. Schmidt

    2014-01-01

    This paper examines the historical claims made in support of the hydrosocial cycle. In particular, it considers how arguments advancing the hydrosocial cycle make historical claims regarding modernist conceptions of what water is (i.e. H2O) and its fit with society. The paper gives special emphasis to the society/nature dualism and to the notion of agency as key sites of contest in arguments regarding the hydrosocial cycle. It finds that, while several versions of the hydrosocial cycle seek t...

  11. Edgeworth cycles revisited

    Energy Technology Data Exchange (ETDEWEB)

    Doyle, Joseph [MIT Sloan School of Management, 50 Memorial Drive, E52-447, Cambridge MA 02142 (United States); Muehlegger, Erich [John F. Kennedy School of Government, Harvard University, Mailbox 25, 79 JFK Street, Cambridge, MA 02138 (United States); Samphantharak, Krislert [Graduate School of International Relations and Pacific Studies, University of California at San Diego, 9500 Gilman Drive 1519, La Jolla, CA 92093 (United States)

    2010-05-15

    Some gasoline markets exhibit remarkable price cycles, where price spikes are followed by a series of small price declines: a pattern consistent with a model of Edgeworth cycles described by Maskin and Tirole. We extend the model and empirically test its predictions with a new dataset of daily station-level prices in 115 US cities. Consistent with the theory, and often in contrast with previous empirical work, we find the least and most concentrated markets are much less likely to exhibit cycling behavior both within and across cities; areas with more independent convenience-store gas stations are also more likely to cycle. (author)

  12. The endometrium in assisted reproductive technology: How thin is thin?

    OpenAIRE

    Nalini Mahajan; Sharma, S.

    2016-01-01

    A thin endometrium is encountered infrequently (2.4%) in assisted reproductive technology cycles. When it does occur it is a cause of concern as it is associated with lower implantation rate and pregnancy rate. Though pregnancies have been reported at 4 and 5 mm it is apparent that an endometrial thickness

  13. Mathematical Modeling of a SI Engine Cycle with Actual Air-Fuel Cycle Analyses

    OpenAIRE

    Perihan SEKMEN; Yakup SEKMEN

    2007-01-01

    The performance of an engine whose basic design parameters are known can be predicted with the assistance of simulation programs into the less time, cost  and near value of actual. However, inadequate areas of the current model can guide future research because the effects of design variables on engine performance can be determined before. In this study, thermodynamic cycle and performance analyses were simulated for various engine speeds (1800, 2400 ve 3600 1/min) and various excess air coef...

  14. Mobile Autonomous Humanoid Assistant

    Science.gov (United States)

    Diftler, M. A.; Ambrose, R. O.; Tyree, K. S.; Goza, S. M.; Huber, E. L.

    2004-01-01

    A mobile autonomous humanoid robot is assisting human co-workers at the Johnson Space Center with tool handling tasks. This robot combines the upper body of the National Aeronautics and Space Administration (NASA)/Defense Advanced Research Projects Agency (DARPA) Robonaut system with a Segway(TradeMark) Robotic Mobility Platform yielding a dexterous, maneuverable humanoid perfect for aiding human co-workers in a range of environments. This system uses stereo vision to locate human team mates and tools and a navigation system that uses laser range and vision data to follow humans while avoiding obstacles. Tactile sensors provide information to grasping algorithms for efficient tool exchanges. The autonomous architecture utilizes these pre-programmed skills to form human assistant behaviors. The initial behavior demonstrates a robust capability to assist a human by acquiring a tool from a remotely located individual and then following the human in a cluttered environment with the tool for future use.

  15. A Study on the Features of Rhyming in the Toast Speech for the Apprenticeship of Shui Scripts%水书启蒙拜师祝词押韵特点初探

    Institute of Scientific and Technical Information of China (English)

    王炳江

    2012-01-01

    水书启蒙拜师祝词是水书启蒙拜师仪式活动中水书先生根据仪式进程的各个阶段所祝诵的祭祀词。拜师祝词作为一种韵文体的民间文学口头文本,它具有韵文体所具有的一些普遍特征,同时又有其独特的表现形式。拜师祝词的押韵,不仅具有一般民族民间文学韵文体的腰韵、首尾韵、脚韵等押韵特点,同时又具有句首韵、句中韵、流水韵等特点,且句中韵表现为叠韵、隔一字押韵、隔两字或多字押韵等。%As an oral text,the toast speech for the apprenticeship of Shui Scripts is that for offering throughout the apprenticeship ritual,characterized with rhyming in a variety similar to that in national and folk literature.

  16. 高职教育“现代学徒制”人才培养模式的探索与实践研究%Exploration and practice of "modern apprenticeship" personnel training mode of higher vocational education

    Institute of Scientific and Technical Information of China (English)

    郭涛; 吕海东; 孙丙虎

    2016-01-01

    高职教育中的现代学徒制是一种全新的人才培养模式,其涉及很多教学领域和教学内容,在利用这种人才培养模式进行人才培养的过程中,应该充分做好教学设计、资源保障以及教学制度建设等多方面内容。高职教育现代学徒制人才培养模式在我国高职教育系统中还是一项十分新颖的教学制度,在应用过程中仍存在不少问题,需要及时采取措施将其解决。%Modern apprenticeship of higher vocational education is a new training model, which involves a lot of teaching fields and teaching contents, using this personnel training model should fully prepare instructional design, resources security, teaching system construction and other aspects of teaching content. Modern apprenticeship of vocational education has still been a very new training mode in higher vocational education system, which still has many problems in the application process that needs us to take timely measures to resolve.

  17. Ethics and assisted reproduction.

    Science.gov (United States)

    Fasouliotis, S J; Schenker, J G

    2000-06-01

    In vitro fertilization and assisted reproductive technology have made great progress during the last 20 years. Genetic material donation, human embryo cryopreservation, selective embryo reduction, preimplantation genetic diagnosis and surrogacy are currently practiced in many countries. On the other hand, embryo research is practiced only in a small number of nations, whereas human cloning has thus far been universally condemned. The rapid evolution and progress of all these techniques of assisted reproduction has revealed certain ethical issues that have to be addressed. PMID:10825637

  18. Thermocompressor powered artificial heart assist system

    International Nuclear Information System (INIS)

    The development of a fully implantable, left ventricular assist system is described. The system utilizes a radioisotope-powered Stirling cycle thermocompressor and an all-pneumatic actuation and control system to drive a pusher-plate type blood pump. This basic approach has been shown to be efficient and workable by implantation experiments on calves. The recent effort has been directed toward the fabrication and development of a fourth-generation system, designed to reduce weight, volume and isotope inventory. Extensive endurance and accelerated-life testing has been undertaken. The improved design concepts utilized in the system and pertinent test results are discussed

  19. Life cycle management (LCM)

    DEFF Research Database (Denmark)

    Remmen, Arne; Thrane, Mikkel

    2004-01-01

    The chapter gives an introduction to Life Cycle Management (LCM) and shows how LCM can be practiced in different contexts and at different ambition levels.......The chapter gives an introduction to Life Cycle Management (LCM) and shows how LCM can be practiced in different contexts and at different ambition levels....

  20. Seeing the Carbon Cycle

    Science.gov (United States)

    Drouin, Pamela; Welty, David J.; Repeta, Daniel; Engle-Belknap, Cheryl A.; Cramer, Catherine; Frashure, Kim; Chen, Robert

    2006-01-01

    In this article, the authors present a classroom experiment that was developed to introduce middle school learners to the carbon cycle. The experiment deals with transfer of CO[subscript 2] between liquid reservoirs and the effect CO[subscript 2] has on algae growth. It allows students to observe the influence of the carbon cycle on algae growth,…

  1. The carbon cycle revisited

    Science.gov (United States)

    Bolin, Bert; Fung, Inez

    1992-01-01

    Discussions during the Global Change Institute indicated a need to present, in some detail and as accurately as possible, our present knowledge about the carbon cycle, the uncertainties in this knowledge, and the reasons for these uncertainties. We discuss basic issues of internal consistency within the carbon cycle, and end by summarizing the key unknowns.

  2. Life Cycle Environmental Management

    DEFF Research Database (Denmark)

    Pedersen, Claus Stig; Jørgensen, Jørgen; Pedersen, Morten Als

    1996-01-01

    processes. The discipline of life cycle environmental management (LCEM) focuses on the incorporation of environmental criteria from the life cycles of products and other company activities into the company management processes. This paper introduces the concept of LCEM as an important element of the...

  3. Family Life Cycle: 1980.

    Science.gov (United States)

    Norton, Arthur J.

    1983-01-01

    Used data from a 1980 national sample survey to show differences in the timing of major family life-cycle events according to age, social and economic characteristics, and marital history. Results suggest that age generational differences, more than any other factor, influence timing of life-cycle events. (Author/JAC)

  4. Power Plant Cycling Costs

    Energy Technology Data Exchange (ETDEWEB)

    Kumar, N.; Besuner, P.; Lefton, S.; Agan, D.; Hilleman, D.

    2012-07-01

    This report provides a detailed review of the most up to date data available on power plant cycling costs. The primary objective of this report is to increase awareness of power plant cycling cost, the use of these costs in renewable integration studies and to stimulate debate between policymakers, system dispatchers, plant personnel and power utilities.

  5. Rock Cycle Roulette.

    Science.gov (United States)

    Schmidt, Stan M.; Palmer, Courtney

    2000-01-01

    Introduces an activity on the rock cycle. Sets 11 stages representing the transitions of an earth material in the rock cycle. Builds six-sided die for each station, and students move to the stations depending on the rolling side of the die. Evaluates students by discussing several questions in the classroom. Provides instructional information for…

  6. Predicting the Sunspot Cycle

    Science.gov (United States)

    Hathaway, David H.

    2009-01-01

    The 11-year sunspot cycle was discovered by an amateur astronomer in 1844. Visual and photographic observations of sunspots have been made by both amateurs and professionals over the last 400 years. These observations provide key statistical information about the sunspot cycle that do allow for predictions of future activity. However, sunspots and the sunspot cycle are magnetic in nature. For the last 100 years these magnetic measurements have been acquired and used exclusively by professional astronomers to gain new information about the nature of the solar activity cycle. Recently, magnetic dynamo models have evolved to the stage where they can assimilate past data and provide predictions. With the advent of the Internet and open data policies, amateurs now have equal access to the same data used by professionals and equal opportunities to contribute (but, alas, without pay). This talk will describe some of the more useful prediction techniques and reveal what they say about the intensity of the upcoming sunspot cycle.

  7. Nuclear fuel cycles

    International Nuclear Information System (INIS)

    The source of energy in the nuclear reactors in fission if a heavy nuclei by absorbing a neutron and giving fission products, few neutrons and gamma radiation. The Nuclear Fuel Cycle may be broadly defined as the set of process and operations needed to manufacture nuclear fuels, to irradiate them in nuclear reactors and to treat and store them, temporarily or permanently, after irradiation. Several nuclear fuel cycles may be considered, depending on the type of reactor and the type of fuel used and whether or not the irradiated fuel will be reprocessed. The nuclear fuel cycle starts with uranium exploration and ends with final disposal of the material used and generated during the cycle. For practical reasons the process has been further subdivided into the front-end and the back-end. The front-end of the cycle occurs before irradiation and the back-end begins with the discharge of spent fuel from the reactor

  8. Interlinked Cycles for Index Coding: Generalizing Cycles and Cliques

    OpenAIRE

    Thapa, Chandra; Ong, Lawrence; Johnson, Sarah J.

    2016-01-01

    We consider a graphical approach to index coding. While cycles have been shown to provide coding gain, only disjoint cycles and cliques (a specific type of overlapping cycles) have been exploited in existing literature. In this paper, we define a more general form of overlapping cycles, called the interlinked-cycle (IC) structure, that generalizes cycles and cliques. We propose a scheme, called the interlinked-cycle-cover (ICC) scheme, that leverages IC structures in digraphs to construct sca...

  9. Nuclear reactor closed Brayton cycle space power conversion systems

    International Nuclear Information System (INIS)

    This paper presents the past history, present status and future prospects for closed Brayton cycle power conversion systems to be used in space when requirements have been established. Since there is a classic lack of coordination between advanced technology and its perceived need that can be strongly affected by associated factors, recommendations will be made to assist in the current situation. 4 refs

  10. Physician-Assisted Suicide

    Science.gov (United States)

    Module fourteen of the EPEC-O Self-Study Original Version focuses on the skills that the physician can use to respond both compassionately and confidently to a request, not on the merits of arguments for or against legalizing physician-assisted suicide (PAS) or euthanasia.

  11. Robot-Assisted Prostatectomy

    Medline Plus

    Full Text Available ... Darren Bruck, and I’m here at the patient’s bedside. Dr. Andy Pinon is sitting down at ... is about 10, 15-feet away from the patient. We’re performing a da Vinci robot- assisted ...

  12. Parent-Assisted Learning.

    Science.gov (United States)

    Niedermeyer, Fred C.

    The effects of parent-monitored practice at home on pupil performance in reading were investigated. The study used as instructional vehicles the Parent-Assisted Learning Program (PAL) and the Southwest Regional Laboratory's (SWRL) First-Year Communication Skills Program. PAL was designed to enable school personnel to establish a system whereby…

  13. Robot-Assisted Prostatectomy

    Medline Plus

    Full Text Available ... it’s possible for robots to operate without the assistance of humans? Not yet. We are not quite there. The robot still needs the human to control it. The beauty of this device, it’s all ...

  14. Computer-assisted instruction

    NARCIS (Netherlands)

    J. Voogt; P. Fisser

    2015-01-01

    Since the early days of computer technology in education in the 1960s, it was claimed that computers can assist instructional practice and hence improve student learning. Since then computer technology has developed, and its potential for education has increased. In this article, we first discuss th

  15. Robot-Assisted Prostatectomy

    Medline Plus

    Full Text Available ... going to the patient’s bedside to perform his duties as assistant, and I am waiting for the ... away. Okay. The patient is in what we call a “modified lithotomy position” with their legs up ...

  16. Robotic assisted andrological surgery

    Institute of Scientific and Technical Information of China (English)

    Sijo J Parekattil; Ahmet Gudeloglu

    2013-01-01

    The introduction of the operative microscope for andrological surgery in the 1970s provided enhanced magnification and accuracy,unparalleled to any previous visual loop or magnification techniques.This technology revolutionized techniques for microsurgery in andrology.Today,we may be on the verge of a second such revolution by the incorporation of robotic assisted platforms for microsurgery in andrology.Robotic assisted microsurgery is being utilized to a greater degree in andrology and a number of other microsurgical fields,such as ophthalmology,hand surgery,plastics and reconstructive surgery.The potential advantages of robotic assisted platforms include elimination of tremor,improved stability,surgeon ergonomics,scalability of motion,multi-input visual interphases with up to three simultaneous visual views,enhanced magnification,and the ability to manipulate three surgical instruments and cameras simultaneously.This review paper begins with the historical development of robotic microsurgery.It then provides an in-depth presentation of the technique and outcomes of common robotic microsurgical andrological procedures,such as vasectomy reversal,subinguinal varicocelectomy,targeted spermatic cord denervation (for chronic orchialgia) and robotic assisted microsurgical testicular sperm extraction (microTESE).

  17. Robot-Assisted Prostatectomy

    Medline Plus

    Full Text Available ... actually mimicking -- these mimicking the movement of the human hand and the human wrist. Clips, please. So what Dr. Pinon has ... for robots to operate without the assistance of humans? Not yet. We are not quite there. The ...

  18. Ductile mode electrochemical oxidation assisted micromachining for glassy carbon

    International Nuclear Information System (INIS)

    Recently, a new mechanical machining process using electrochemical oxidation was reported. Electrochemical oxidation assisted micromachining was applied to the machining of glassy carbon. The material removal process of the electrochemical oxidation assisted micromachining consists of repeated cycles of oxidation followed by removal of the oxide layer. In this paper, we experimentally investigate and compare the critical chip thickness for ductile mode cutting in mechanical machining and electrochemical oxidation assisted micromachining of glassy carbon. The theoretical critical chip thickness is calculated for mechanical machining of glassy carbon and experimentally verified. The effect of electrochemical oxidation on the critical chip thickness for ductile mode micromachining is also studied for glassy carbon. It is found that the critical chip thickness is increased for the electrochemical oxidation assisted micromachining. (paper)

  19. VIDEO ASSISTED THYROIDECTOMY

    Directory of Open Access Journals (Sweden)

    C. Bradea

    2009-02-01

    Full Text Available Video assisted techniques were documented by M.Gagner (1996 – video assisted parathyroidectomy, Henry (1999, Shimizu (1999, Ohgami (2000, Miccoli (2000 – video assisted parathyroidectomy and thyroidectomy. The advantage of this kind of surgery: aesthetics i.e. trying to make only small scars on the neck. Our first case of video assisted thyroidectomy was a female 50 years of age, with multinodular goiter, nodules of 2-3 cm in each lobe, admitted in our clinic in December 2008. History of the disease: 9 years; treatment: hormones pills. The refractive thyroid goiter became surgical in the last four years. The intervention was delayed because of pulmonary tuberculosis the patient suffered from. The video assited technique is inspired from Websurg site (Miccoli technique, 2007, modified by the author. We started with general anesthesia, patient lying, without hiper extension of the neck. The skin incision was on midline of the neck, 15 mm long, horizontal, at 2 cm above the inferior limit of the neck, with electric scalpel. By this skin incision we entered the thyroid space gland with classical instruments; then we introduce a 10 mm, 0 degree telescope, together with a 5 mm Ligasure grasp. After coagulation and section with Ligasure, the superior thyroid pedicle, the right thyroid lobe was dissected all around. Finally, we extracted the right thyroid lobe and then we severed with Ligasure the inferior right thyroid pedicle. The same procedure was used on the left side; it needn’t any drainage; the closure was anatomically tipical. The evolution was uneventful. The histopathological exam result was chronical Hashimoto thyroiditis. Conclusions: Video assisted thyroidectomy can be considered feasible and safe and allows for an excellent cosmetic result and has possible new promising indications such as prophylactic thyroidectomy. Not all patients are eligible for this procedure, but in selected cases it can be a valid option for the surgical

  20. Navigating "Assisted Dying".

    Science.gov (United States)

    Schipper, Harvey

    2016-02-01

    Carter is a bellwether decision, an adjudication on a narrow point of law whose implications are vast across society, and whose impact may not be realized for years. Coupled with Quebec's Act Respecting End-of-life Care it has sharply changed the legal landscape with respect to actively ending a person's life. "Medically assisted dying" will be permitted under circumstances, and through processes, which have yet to be operationally defined. This decision carries with it moral assumptions, which mean that it will be difficult to reach a unifying consensus. For some, the decision and Act reflect a modern acknowledgement of individual autonomy. For others, allowing such acts is morally unspeakable. Having opened the Pandora's Box, the question becomes one of navigating a tolerable societal path. I believe it is possible to achieve a workable solution based on the core principle that "medically assisted dying" should be a very rarely employed last option, subject to transparent ongoing review, specifically as to why it was deemed necessary. My analysis is based on 1. The societal conditions in which have fostered demand for "assisted dying", 2. Actions in other jurisdictions, 3. Carter and Quebec Bill 52, 4. Political considerations, 5. Current medical practice. Leading to a series of recommendations regarding. 1. Legislation and regulation, 2. The role of professional regulatory agencies, 3. Medical professions education and practice, 4. Public education, 5. Health care delivery and palliative care. Given the burden of public opinion, and the legal steps already taken, a process for assisted-dying is required. However, those legal and regulatory steps should only be considered a necessary and defensive first step in a two stage process. The larger goal, the second step, is to drive the improvement of care, and thus minimize assisted-dying. PMID:27169205

  1. Bimodality and the Hale cycle

    Science.gov (United States)

    Wilson, Robert M.

    1988-01-01

    Evidence is provided of a modulation of between 20 and 24 yr for the Hale cycle, and comparison of consecutive pairs of cycles strongly suggests that even-numbered cycles are preferentially paired with odd-numbered following cycles. The results indicate that cycles 22 and 23 form a new cyle pair. The sum of monthly mean sunspot numbers over consecutively paired sunspot cycles for Hale cycle 12 is found to be about 19,100 + or - 3000.

  2. Assessing Cycling Participation in Australia

    OpenAIRE

    Chris Rissel; Cameron Munro; Adrian Bauman

    2013-01-01

    Planning and evaluating cycling programs at a national or state level requires accurate measures of cycling participation. However, recent reports of cycling participation have produced very different estimates. This paper examines the reported rates of cycling in five recent population surveys of cycling. Three surveys (one national and two from Sydney) asking respondents when they last rode a bicycle generated cycling participation (cycled in the past year) estimates of 29.7%, 34.1% and 28....

  3. Future fuel cycles

    International Nuclear Information System (INIS)

    A fuel cycle must offer both financial and resource savings if it is to be considered for introduction into Ontario's nuclear system. The most promising alternative CANDU fuel cycles are examined in the context of both of these factors over a wide range of installed capacity growth rates and economic assumptions, in order to determine which fuel cycle, or cycles, should be introduced, and when. It is concluded that the optimum path for the long term begins with the prompt introduction of the low-enriched-uranium fuel cycle. For a wide range of conditions, this cycle remains the optimum throughout the very long term. Conditions of rapid nuclear growth and very high uranium price escalation rates warrant the supersedure of the low-enriched-uranium cycle by either a plutonium-topped thorium cycle or plutonium recycle, beginning between 2010 and 2025. It is also found that the uranium resource position is sound in terms of both known resources and production capability. Moreover, introduction of the low-enriched-uranium fuel cycle and 1250 MWe reactor units will assure the economic viability of nuclear power until at least 2020, even if uranium prices increase at a rate of 3.5% above inflation. The interrelationship between these two conclusions lies in the tremendous incentive for exploration which will occur if the real uranium price escalation rate is high. From a competitive viewpoint, nuclear power can withstand increases in the price of uranium. However, such increases will likely further expand the resource base, making nuclear an even more reliable energy source. (auth)

  4. Experiment research on grain drying process in the heat pump assisted fluidized beds

    Institute of Scientific and Technical Information of China (English)

    Jing Yang; Li Wang; Fi Xiang; Lige Tong; Hua Su

    2004-01-01

    A heat pump assisted fluidized bed grain drying experimental system was developed. Based on this system, a serial of experiments was performed under four kinds of air cycle conditions. According to the experimental analysis, an appropriate drying medium-air cycle for the heat pump assisted fluidized bed drying equipment was decided, which is different from the commonly used heat pump assisted drying system. The experimental results concerning the drying operation performance of the new system show that the averaged coefficient of performance (COP) can reach more than 2.5. The economical evaluation was performed and the powefficiency and great application potentiality in future market.

  5. Cycling across borders

    Directory of Open Access Journals (Sweden)

    Jože Kos

    1999-01-01

    Full Text Available The article describes the intent and content of the international Velo-City conference 1999, Maribor–Graz and the organisation of this cycling development planning meeting. It focuses on the resolution of the conference concerning cycling traffic policies, the emerging network of European cycling connections and the traffic planning workshop about a difficult square in Maribor. The content framework of particular papers is shown, as well as other post-conference events. In the conclusion certain useful addresses for obtaining added data on sustainable traffic planning are given.

  6. SuperAssist: Personal assistants for cooperative healthcare treatment

    NARCIS (Netherlands)

    Haan, G. de; Mast, C.A.P.G. van der; Blanson Henkemans, O.; Neerincx, M.A.

    2005-01-01

    Human-computer interaction, tele-medicine, supervision, personalization, ambient intelligence, health care, personal assistants, cooperative problem-solving. ABSTRACT This paper describes the research plans in the SuperAssist project, introducing personal assistants in the care of diabetes patients,

  7. Study of non-fuel cycle wastes

    International Nuclear Information System (INIS)

    The low-level radioactive waste generated by many non-fuel cycle industries and institutions is not as well characterized as that produced by nuclear power plants. To better understand the variety of non-fuel cycle waste products now being disposed of by commercial shallow land burial (SLB) and to assess specific packages in advance of the enactment of the proposed regulation, 10 CFR Part 61 (dated June 29, 1981), Licensing Requirements for Land Disposal of Radioactive Waste, the United States Nuclear Regulatory Commission (NRC) requested Brookhaven National Laboratory (BNL), under FIN A-3165, (in April 1981), to provide technical assistance in expanding the data base on the physical and chemical characteristics of these wastes. With the cooperation of two major corporations, this program enabled the NRC to examine the achievability of the proposed 10 CFR Part 61 criteria, prior to the enactment of the regulation

  8. The effect of cycling intensity on cycling economy during seated and standing cycling

    OpenAIRE

    Arkesteijn, Marco; Simon A. Jobson; James G Hopker; Passfield, Louis

    2016-01-01

    BACKGROUND: Previous research has shown that cycling in a standing position reduces cycling economy compared with seated cycling. It is unknown whether the cycling intensity moderates the reduction in cycling economy while standing. PURPOSE: The aim was to determine whether the negative effect of standing on cycling economy would be decreased at a higher intensity. METHODS: Ten cyclists cycled in 8 different conditions. Each condition was either at an intensity of 50% or 70% ...

  9. Society for Assisted Reproductive Technology

    Science.gov (United States)

    The Society for Assisted Reproductive Technology PATIENTS Patient Information What Is SART? Risks of IVF Third Party Reproduction A ... Read Article View All News ©1996 - 2016 SART, Society for Assisted Reproductive Technology . All Rights Reserved. ASRM/ ...

  10. Preparing for Assisted Reproductive Technology

    Science.gov (United States)

    ... CDC Cancel Submit Search The CDC Assisted Reproductive Technology (ART) Note: Javascript is disabled or is not ... visit this page: About CDC.gov . Assisted Reproductive Technology (ART) What Is ART Patient Resources Preparing for ...

  11. Rehabilitative and Assistive Technology: Overview

    Science.gov (United States)

    ... Clinical Trials Resources and Publications Rehabilitative and Assistive Technology: Overview Skip sharing on social media links Share this: Page Content Rehabilitative and assistive technology refers to tools, equipment, or products that can ...

  12. Cycles in graphs

    CERN Document Server

    Alspach, BR

    1985-01-01

    This volume deals with a variety of problems involving cycles in graphs and circuits in digraphs. Leading researchers in this area present here 3 survey papers and 42 papers containing new results. There is also a collection of unsolved problems.

  13. Fuel cycle data survey

    International Nuclear Information System (INIS)

    A survey of the fuel cycle cost data published during 1977 and 1978 is presented in tabular and graphical form. Cost trends for the period 1965 onwards are presented for yellow cake, conversion, uranium enrichment, fuel fabrication and reprocessing

  14. Fuel cycle studies

    International Nuclear Information System (INIS)

    Programs are being conducted in the following areas: advanced solvent extraction techniques, accident consequences, fuel cycles for nonproliferation, pyrochemical and dry processes, waste encapsulation, radionuclide transport in geologic media, hull treatment, and analytical support for LWBR

  15. The Pneumocystis life cycle

    OpenAIRE

    Cécile-Marie Aliouat-Denis; Anna Martinez; El Moukhtar Aliouat; Muriel Pottier; Nausicaa Gantois; Eduardo Dei-Cas

    2009-01-01

    First recognised as "schizonts" of Trypanosoma cruzi, Pneumocystis organisms are now considered as part of an early-diverging lineage of Ascomycetes. As no robust long-term culture model is available, most data on the Pneumocystis cell cycle have stemmed from ultrastructural images of infected mammalian lungs. Although most fungi developing in animals do not complete a sexual cycle in vivo, Pneumocystis species constitute one of a few exceptions. Recently, the molecular identification of seve...

  16. Reviewing the Leverage Cycle

    OpenAIRE

    Ana Fostel; John Geanakoplos

    2013-01-01

    We review the theory of leverage developed in collateral equilibrium models with incomplete markets. We explain how leverage tends to boost asset prices, and create bubbles. We show how leverage can be endogenously determined in equilibrium, and how it depends on volatility. We describe the dynamic feedback properties of leverage, volatility, and asset prices, in what we call the Leverage Cycle. We also describe some cross-sectional implications of multiple leverage cycles, including contagio...

  17. Offshore Rankine Cycles

    OpenAIRE

    Brandsar, Jo

    2012-01-01

    The title of the thesis - "Offshore Rankine Cycles" - is very general and cover a large range of engineering fields, e.g. thermodynamic cycles (Rankine, ORC, Brayton, Kalina, etc.), mechanical equipment (gas/steam turbine, heat exchangers and additional equipment) and safety concerns (flammable and/or toxic fluids, high temperature and pressures), to name the most important.The thesis try to give a brief overview of all critical points and alternatives, concerning employment of a wa...

  18. Resuscitating Real Business Cycles

    OpenAIRE

    Robert G. King; Sergio T. Rebelo

    2000-01-01

    The Real Business Cycle (RBC) research program has grown spectacularly over the last decade, as its concepts and methods have diffused into mainstream macroeconomics. Yet, there is increasing skepticism that technology shocks are a major source of business fluctuations. This chapter exposits the basic RBC model and shows that it requires large technology shocks to produce realistic business cycles. While Solow residuals are sufficiently volatile, these imply frequent technological regress. Pr...

  19. Solar Cycle Prediction

    CERN Document Server

    Petrovay, K

    2010-01-01

    A review of solar cycle prediction methods and their performance is given, including forecasts for cycle 24 and focusing on aspects of the solar cycle prediction problem that have a bearing on dynamo theory. The scope of the review is further restricted to the issue of predicting the amplitude (and optionally the epoch) of an upcoming solar maximum no later than right after the start of the given cycle. Prediction methods form three main groups. Precursor methods rely on the value of some measure of solar activity or magnetism at a specified time to predict the amplitude of the following solar maximum. Their implicit assumption is that each numbered solar cycle is a consistent unit in itself, while solar activity seems to consist of a series of much less tightly intercorrelated individual cycles. Extrapolation methods, in contrast, are based on the premise that the physical process giving rise to the sunspot number record is statistically homogeneous, i.e., the mathematical regularities underlying its variati...

  20. Physician Assistant Genomic Competencies.

    Science.gov (United States)

    Goldgar, Constance; Michaud, Ed; Park, Nguyen; Jenkins, Jean

    2016-09-01

    Genomic discoveries are increasingly being applied to the clinical care of patients. All physician assistants (PAs) need to acquire competency in genomics to provide the best possible care for patients within the scope of their practice. In this article, we present an updated version of PA genomic competencies and learning outcomes in a framework that is consistent with the current medical education guidelines and the collaborative nature of PAs in interprofessional health care teams. PMID:27490287

  1. Computer-assisted psychotherapy

    OpenAIRE

    Wright, Jesse H.; Wright, Andrew S.

    1997-01-01

    The rationale for using computers in psychotherapy includes the possibility that therapeutic software could improve the efficiency of treatment and provide access for greater numbers of patients. Computers have not been able to reliably duplicate the type of dialogue typically used in clinician-administered therapy. However, computers have significant strengths that can be used to advantage in designing treatment programs. Software developed for computer-assisted therapy gen...

  2. Computer assisted mathematical programming

    OpenAIRE

    Lucas, CA; Mitra, G

    1987-01-01

    A Computer Assisted Mathematical Programming (Modelling) System (CAMPS) is described in this paper. The system uses program generator techniques for model creation and contrasts with earlier approaches which use a special purpose language to construct models. Thus no programming skill is required to formulate a model. In designing the system we have first analysed the salient components of the mathematical programming activity. A mathematical programming model is usually constructed by progre...

  3. Personal digital assistants

    OpenAIRE

    Wiggins III, Richard H.

    1996-01-01

    Personal digital assistant sales are growing exponentially, and as medical technology advances the amount of information available becomes staggering, making a handheld device, with the ability to store a great amount of information, progressively more valuable to health care providers. Mobile computing allows for a great deal of knowledge in a small package, creating a “walking library” with a mobile collection of data always accessible. There are many diverse types of PDAs, and this article...

  4. Robot Assisted Laser Osteotomy

    OpenAIRE

    Burgner, Jessica

    2010-01-01

    In the scope of this thesis world's first robot system was developed, which facilitates osteotomy using laser in arbitrary geometries with an overall accuracy below 0.5mm. Methods of computer and robot assisted surgery were reconsidered and composed to a workflow. Adequate calibration and registration methods are proposed. Further a methodology for transferring geometrically defined cutting trajectories into pulse sequences and optimized execution plans is developed.

  5. [EUTHANASIA AND ASSISTED SUICIDE].

    Science.gov (United States)

    Lantero, Caroline

    2015-07-01

    Euthanasia and assisted suicide are not part of French laws of bioethics and lack, for the time being, definition and normative framework other than their criminal prosecution. To transform them into a right, these concepts certainly call for an ethical and legal debate. This paper aims to question the ideas to be considered, the conceptual bases and normative tools that may be useful to the discussion. PMID:27356358

  6. Virtual personal assistant

    OpenAIRE

    Imrie, Peter; Bednar, Peter

    2013-01-01

    Abstract This report discusses ways in which new technology could be harnessed to create an intelligent Virtual Personal Assistant (VPA) with a focus on user-based information. It will look at examples of intelligent programs with natural language processing that are currently available, with different categories of support, and examine the potential usefulness of one specific piece of software as a VPA. This engages the ability to communicate socially through natural language processing, hol...

  7. Optimization and assistance operations

    International Nuclear Information System (INIS)

    The purpose of this article is to answer this question: what does optimization mean in the frame of an assistance operation. Two points have been developed: the first one is devoted to a broad training and sensitizing for the persons susceptible to participate to these interventions, the second one is the preparation of operations: it is possible to develop optimization from information feedback. (N.C.)

  8. Computer assisted radiology

    International Nuclear Information System (INIS)

    CAR'89 is intended to serve as a forum for discussion between experts from the medical sciences e.g., radiology, radiotherapy, nuclear medicine, orthopaedia, cardiology, neurology and surgery and professionals from the computer and physical sciences. Computer assisted radiological diagnosis, orthopaedics, therapy, and planning are the main subjects of the symposium and the panel discussion. The state of the art and research results in the area of CAR are evaluated. (DG)

  9. Assistance From A Distance

    Institute of Scientific and Technical Information of China (English)

    2010-01-01

    China joins international relief efforts in Haiti with a powerful sense of mission How long does it take to ready assistance and travel some 15,000 km around the globe to provide a helping hand amid one of the worst earth-quakes in modern history? The answer might surprise you. Less than 36 hours after seismic shocks leveled much of Haiti on January

  10. INPO Assistance Activities: Human Resources

    International Nuclear Information System (INIS)

    The Institute of Nuclear Power Operations (INPO) has a number of ongoing activities designed to provide assistance to our members in the human resources area. These include the Educational Assistance Program and the ongoing facilitation of information exchange through Nuclear Network and INPO publications. INPO will continue to seek ways to assist its member utilities

  11. Steer assistance for teleoperation

    Science.gov (United States)

    Pape, Olivier; Houbloup, Philippe; Leveque, Stephane

    2005-05-01

    Giat Industries, expert in combat system, designs and integrates the technologies (electrical network, mechanical design, ergonomic and mobility command and control) for the French military and civil robotic. One of the main problems of current robotics is to treat the lack of operator's perception due to teleoperation. The article details the assistance for the steer control part of mobility command and control. The purpose of the assistance is to secure the vehicle, to insure the continuity of the command (in particular for tracked vehicle equipped of hydrostatic steering group), and to adapt the command (to use all the range of the command even at high speed and to adapt the speed to the desired curve). The advantage of the system presented in the article is to filter the order first and to transmit to the actuators only safe orders preserving the vehicle. This approach transforms the telepilot's order watching and correction problem, to a telepilot's order filtering problem. We pass here, from a logical "a posteriori" to a logical of "a priori" processing. The assistance includes: a model of the dynamic behavior of the vehicle and an open loop, some feed forward with appropriate filters and a closed loop. The article presents the result of the command studies from time simulation to "man on the loop" simulation. This system, at present time applied to the French Observation Robot demonstrator SYRANO (developped for the DGA-French Defence Procurement Agency), is the subject of a patent.

  12. Several remarks on the fuel cycle economy

    International Nuclear Information System (INIS)

    Present paper deals with some aspects influencing significantly cost of nuclear fuel and possibilities of its usage in optimal fuel cycle technology. Our discussion is focused on the phase of fuel procurement that means financial parts of the contract as well as its technical Appendices. Typically the fuel fabrication price is taken as the main economy indicator; nevertheless also many other financial and technical features of the contract must be taken into account in order to reach the best price of electricity sold into public energy grid. Our experience from several international tenders shows that the consistent complex of commercial and technical parameters of the contract is necessary to achieve optimal economic results and prepare proper conditions for advanced fuel cycle technology. Among those essential characteristics are payment conditions and schedule and extent of vendor's services and assistance to the operator. Very important role play also technical parameters, as safety and operational limits, influencing loading pattern quality and operating flexibility. Obviously also a level of operator's fuel cycle technology is a crucial point that is necessary for usage of technical quality of the fuel at the power plant. The final electricity price, produced by the plant, and uranium consumption are the only objective criteria to evaluate economic level of the fuel contract and the fuel cycle at all (Authors)

  13. Fuel Cycle System Analysis Handbook

    International Nuclear Information System (INIS)

    This Handbook aims to improve understanding and communication regarding nuclear fuel cycle options. It is intended to assist DOE, Campaign Managers, and other presenters prepare presentations and reports. When looking for information, check here. The Handbook generally includes few details of how calculations were performed, which can be found by consulting references provided to the reader. The Handbook emphasizes results in the form of graphics and diagrams, with only enough text to explain the graphic, to ensure that the messages associated with the graphic is clear, and to explain key assumptions and methods that cause the graphed results. Some of the material is new and is not found in previous reports, for example: (1) Section 3 has system-level mass flow diagrams for 0-tier (once-through), 1-tier (UOX to CR=0.50 fast reactor), and 2-tier (UOX to MOX-Pu to CR=0.50 fast reactor) scenarios - at both static and dynamic equilibrium. (2) To help inform fast reactor transuranic (TRU) conversion ratio and uranium supply behavior, section 5 provides the sustainable fast reactor growth rate as a function of TRU conversion ratio. (3) To help clarify the difference in recycling Pu, NpPu, NpPuAm, and all-TRU, section 5 provides mass fraction, gamma, and neutron emission for those four cases for MOX, heterogeneous LWR IMF (assemblies mixing IMF and UOX pins), and a CR=0.50 fast reactor. There are data for the first 10 LWR recycle passes and equilibrium. (4) Section 6 provides information on the cycle length, planned and unplanned outages, and TRU enrichment as a function of fast reactor TRU conversion ratio, as well as the dilution of TRU feedstock by uranium in making fast reactor fuel. (The recovered uranium is considered to be more pure than recovered TRU.) The latter parameter impacts the required TRU impurity limits specified by the Fuels Campaign. (5) Section 7 provides flows for an 800-tonne UOX separation plant. (6) To complement 'tornado' economic uncertainty

  14. Fuel Cycle System Analysis Handbook

    Energy Technology Data Exchange (ETDEWEB)

    Steven J. Piet; Brent W. Dixon; Dirk Gombert; Edward A. Hoffman; Gretchen E. Matthern; Kent A. Williams

    2009-06-01

    This Handbook aims to improve understanding and communication regarding nuclear fuel cycle options. It is intended to assist DOE, Campaign Managers, and other presenters prepare presentations and reports. When looking for information, check here. The Handbook generally includes few details of how calculations were performed, which can be found by consulting references provided to the reader. The Handbook emphasizes results in the form of graphics and diagrams, with only enough text to explain the graphic, to ensure that the messages associated with the graphic is clear, and to explain key assumptions and methods that cause the graphed results. Some of the material is new and is not found in previous reports, for example: (1) Section 3 has system-level mass flow diagrams for 0-tier (once-through), 1-tier (UOX to CR=0.50 fast reactor), and 2-tier (UOX to MOX-Pu to CR=0.50 fast reactor) scenarios - at both static and dynamic equilibrium. (2) To help inform fast reactor transuranic (TRU) conversion ratio and uranium supply behavior, section 5 provides the sustainable fast reactor growth rate as a function of TRU conversion ratio. (3) To help clarify the difference in recycling Pu, NpPu, NpPuAm, and all-TRU, section 5 provides mass fraction, gamma, and neutron emission for those four cases for MOX, heterogeneous LWR IMF (assemblies mixing IMF and UOX pins), and a CR=0.50 fast reactor. There are data for the first 10 LWR recycle passes and equilibrium. (4) Section 6 provides information on the cycle length, planned and unplanned outages, and TRU enrichment as a function of fast reactor TRU conversion ratio, as well as the dilution of TRU feedstock by uranium in making fast reactor fuel. (The recovered uranium is considered to be more pure than recovered TRU.) The latter parameter impacts the required TRU impurity limits specified by the Fuels Campaign. (5) Section 7 provides flows for an 800-tonne UOX separation plant. (6) To complement 'tornado' economic

  15. Electric motor assisted bicycle as an aerobic exercise machine.

    Science.gov (United States)

    Nagata, T; Okada, S; Makikawa, M

    2012-01-01

    The goal of this study is to maintain a continuous level of exercise intensity around the aerobic threshold (AT) during riding on an electric motor assisted bicycle using a new control system of electrical motor assistance which uses the efficient pedaling rate of popular bicycles. Five male subjects participated in the experiment, and the oxygen uptake was measured during cycling exercise using this new pedaling rate control system of electrical motor assistance, which could maintain the pedaling rate within a specific range, similar to that in previous type of electrically assisted bicycles. Results showed that this new pedaling rate control system at 65 rpm ensured continuous aerobic exercise intensity around the AT in two subjects, and this intensity level was higher than that observed in previous type. However, certain subjects were unable to maintain the expected exercise intensity because of their particular cycling preferences such as the pedaling rate. It is necessary to adjust the specific pedaling rate range of the electrical motor assist control according to the preferred pedaling rate, so that this system becomes applicable to anyone who want continuous aerobic exercise. PMID:23366293

  16. MHD Integrated Topping Cycle Project

    Energy Technology Data Exchange (ETDEWEB)

    1992-02-01

    This fourteenth quarterly technical progress report of the MHD Integrated Topping Cycle Project presents the accomplishments during the period November 1, 1990 to January 31, 1991. Testing of the High Pressure Cooling Subsystem electrical isolator was completed. The PEEK material successfully passed the high temperature, high pressure duration tests (50 hours). The Combustion Subsystem drawings were CADAM released. The procurement process is in progress. An equipment specification and RFP were prepared for the new Low Pressure Cooling System (LPCS) and released for quotation. Work has been conducted on confirmation tests leading to final gas-side designs and studies to assist in channel fabrication.The final cathode gas-side design and the proposed gas-side designs of the anode and sidewall are presented. Anode confirmation tests and related analyses of anode wear mechanisms used in the selection of the proposed anode design are presented. Sidewall confirmation tests, which were used to select the proposed gas-side design, were conducted. The design for the full scale CDIF system was completed. A test program was initiated to investigate the practicality of using Avco current controls for current consolidation in the power takeoff (PTO) regions and to determine the cause of past current consolidation failures. Another important activity was the installation of 1A4-style coupons in the 1A1 channel. A description of the coupons and their location with 1A1 channel is presented herein.

  17. Physiological and cognitive responses when riding an electrically assisted bicycle versus a classical bicycle.

    Science.gov (United States)

    Theurel, J; Theurel, A; Lepers, R

    2012-01-01

    The present study compared the physiological responses and the subsequent cognitive performance when riding an electrically assisted (EB) versus a classical (CB) bicycle. Oxygen uptake, heart rate and leg extensor muscles electromyographic (EMG) activity were recorded in 10 subjects during a 30-min intermittent cycling exercise performed with EB versus CB. Cognitive performance was evaluated by a mail sorting test, performed at rest and after each cycling session. Averaged oxygen uptake and heat rate were significantly (P cycling than during CB cycling. The EMG activities of the vastus lateralis, rectus femoris and gastrocnemius medialis muscles were significantly (P cycling than during EB cycling. The time to complete the mail sorting test was significantly (P cycling than after CB cycling. Because EB cycling reduced muscle strains and physiological stress, it might offer benefits for those using bicycles in their work, such as postal workers and police officers. STATEMENT OF RELEVANCE: This study compared physiological and cognitive responses when riding an electrically assisted versus a classical bicycle. The results showed that the electrically assisted bicycle led to reduced muscle strains and physiological stress and, therefore, might offer benefits for those using bicycles in their work, such as postal workers and police officers. PMID:22506555

  18. Verifiable Fuel Cycle Simulation (VISION) Model

    International Nuclear Information System (INIS)

    The Advanced Fuel Cycle Initiative (AFCI) is developing a dynamic simulation model as part of their systems analysis of future nuclear energy in the United States. The Verifiable Fuel Cycle Simulation (VISION) model is being used to analyze and compare various proposed technology deployment scenarios, and to better understand the feedback between the various components of the nuclear fuel cycle that includes uranium resources, reactor number and mix, nuclear fuel type and waste management. VISION links these components into a single model for analysis and includes both mass flows and economics as a function of time. VISION tracks the life cycle of the strategic facilities that are essential in the fuel cycle such as, reactors, fuel fabrication, separations, spent fuel storage and conditioning and repository facilities. VISION is intended to assist in evaluating 'what if' scenarios and in comparing fuel, reactor, and fuel processing alternatives at a systems level for U.S. nuclear power. This paper describes the current functionality of the system dynamics model, discusses the assumptions, presents some results and presents plans for future development of VISION. The objective of VISION is to evaluate the elements of the nuclear fuel cycle that discriminate the different advanced fuel cycles. Specifically: - Perform dynamic scoping trade studies of alternative fuel cycles to obtain qualitative and quantitative comparisons of resource requirements, reactor types and mix, sequencing and timing, waste streams, and geologic repository requirements. - Quickly assess relative differences in fuel cycle strategies and timing with reasonable accuracy. - Provide a range of model outputs that can support both technical and management review. - Interact (in some fashion) with higher-level models, e.g., that compare among energy source options. - Interact (in some fashion) with lower-level modules, e.g., those providing detailed cost and process estimations for individual

  19. Verifiable Fuel Cycle Simulation (VISION) Model

    Energy Technology Data Exchange (ETDEWEB)

    Jacobson, J.J.; Matthern, G.E.; Piet, S.J.; Shropshire, D.E. [Idaho National Laboratory, 2525 North Fremont, Mail Stop 3710, Idaho Falls, Idaho 83415 (United States); Yacout, A.M. [Argonne National Laboratory (United States)

    2009-06-15

    The Advanced Fuel Cycle Initiative (AFCI) is developing a dynamic simulation model as part of their systems analysis of future nuclear energy in the United States. The Verifiable Fuel Cycle Simulation (VISION) model is being used to analyze and compare various proposed technology deployment scenarios, and to better understand the feedback between the various components of the nuclear fuel cycle that includes uranium resources, reactor number and mix, nuclear fuel type and waste management. VISION links these components into a single model for analysis and includes both mass flows and economics as a function of time. VISION tracks the life cycle of the strategic facilities that are essential in the fuel cycle such as, reactors, fuel fabrication, separations, spent fuel storage and conditioning and repository facilities. VISION is intended to assist in evaluating 'what if' scenarios and in comparing fuel, reactor, and fuel processing alternatives at a systems level for U.S. nuclear power. This paper describes the current functionality of the system dynamics model, discusses the assumptions, presents some results and presents plans for future development of VISION. The objective of VISION is to evaluate the elements of the nuclear fuel cycle that discriminate the different advanced fuel cycles. Specifically: - Perform dynamic scoping trade studies of alternative fuel cycles to obtain qualitative and quantitative comparisons of resource requirements, reactor types and mix, sequencing and timing, waste streams, and geologic repository requirements. - Quickly assess relative differences in fuel cycle strategies and timing with reasonable accuracy. - Provide a range of model outputs that can support both technical and management review. - Interact (in some fashion) with higher-level models, e.g., that compare among energy source options. - Interact (in some fashion) with lower-level modules, e.g., those providing detailed cost and process estimations for

  20. 42 CFR 21.42 - Examinations; junior assistant, assistant, or senior assistant grade.

    Science.gov (United States)

    2010-10-01

    ... 42 Public Health 1 2010-10-01 2010-10-01 false Examinations; junior assistant, assistant, or senior assistant grade. 21.42 Section 21.42 Public Health PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES PERSONNEL COMMISSIONED OFFICERS Appointment § 21.42 Examinations; junior...

  1. Development of a life cycle cost estimating framework for oil refineries

    OpenAIRE

    Okafor, Okechukwu Peter

    2011-01-01

    This study is concerned with the understanding of some vital features of various life cycle costing methodologies and tools. Integrating these features with the refinery technical processes would assist in the development of a life cycle costing framework for oil refineries. The aim of this research is to develop a comprehensive life cycle cost estimating framework for the evaluation of not only the total cost and system effectiveness of new refineries but also the revamping, and maintenance ...

  2. Helium process cycle

    Science.gov (United States)

    Ganni, Venkatarao

    2007-10-09

    A unique process cycle and apparatus design separates the consumer (cryogenic) load return flow from most of the recycle return flow of a refrigerator and/or liquefier process cycle. The refrigerator and/or liquefier process recycle return flow is recompressed by a multi-stage compressor set and the consumer load return flow is recompressed by an independent consumer load compressor set that maintains a desirable constant suction pressure using a consumer load bypass control valve and the consumer load return pressure control valve that controls the consumer load compressor's suction pressure. The discharge pressure of this consumer load compressor is thereby allowed to float at the intermediate pressure in between the first and second stage recycle compressor sets. Utilizing the unique gas management valve regulation, the unique process cycle and apparatus design in which the consumer load return flow is separate from the recycle return flow, the pressure ratios of each recycle compressor stage and all main pressures associated with the recycle return flow are allowed to vary naturally, thus providing a naturally regulated and balanced floating pressure process cycle that maintains optimal efficiency at design and off-design process cycle capacity and conditions automatically.

  3. Helium process cycle

    Science.gov (United States)

    Ganni, Venkatarao

    2008-08-12

    A unique process cycle and apparatus design separates the consumer (cryogenic) load return flow from most of the recycle return flow of a refrigerator and/or liquefier process cycle. The refrigerator and/or liquefier process recycle return flow is recompressed by a multi-stage compressor set and the consumer load return flow is recompressed by an independent consumer load compressor set that maintains a desirable constant suction pressure using a consumer load bypass control valve and the consumer load return pressure control valve that controls the consumer load compressor's suction pressure. The discharge pressure of this consumer load compressor is thereby allowed to float at the intermediate pressure in between the first and second stage recycle compressor sets. Utilizing the unique gas management valve regulation, the unique process cycle and apparatus design in which the consumer load return flow is separate from the recycle return flow, the pressure ratios of each recycle compressor stage and all main pressures associated with the recycle return flow are allowed to vary naturally, thus providing a naturally regulated and balanced floating pressure process cycle that maintains optimal efficiency at design and off-design process cycle capacity and conditions automatically.

  4. Modeling the Complete Catalytic Cycle of Aspartoacylase.

    Science.gov (United States)

    Kots, Ekaterina D; Khrenova, Maria G; Lushchekina, Sofya V; Varfolomeev, Sergei D; Grigorenko, Bella L; Nemukhin, Alexander V

    2016-05-12

    The complete catalytic cycle of aspartoacylase (ASPA), a zinc-dependent enzyme responsible for cleavage of N-acetyl-l-aspartate, is characterized by the methods of molecular modeling. The reaction energy profile connecting the enzyme-substrate (ES) and the enzyme-product (EP) complexes is constructed by the quantum mechanics/molecular mechanics (QM/MM) method assisted by the molecular dynamics (MD) simulations with the QM/MM potentials. Starting from the crystal structure of ASPA complexed with the intermediate analogue, the minimum-energy geometry configurations and the corresponding transition states are located. The stages of substrate binding to the enzyme active site and release of the products are modeled by MD calculations with the replica-exchange umbrella sampling technique. It is shown that the first reaction steps, nucleophilic attack of a zinc-bound nucleophilic water molecule at the carbonyl carbon and the amide bond cleavage, are consistent with the glutamate-assisted mechanism hypothesized for the zinc-dependent hydrolases. The stages of formation of the products, acetate and l-aspartate, and regeneration of the enzyme are characterized for the first time. The constructed free energy diagram from the reactants to the products suggests that the enzyme regeneration, but not the nucleophilic attack of the catalytic water molecule, corresponds to the rate-determining stage of the full catalytic cycle of ASPA. PMID:27089954

  5. Life Cycle Sustainability Dashboard

    DEFF Research Database (Denmark)

    Traverso, Marzia; Finkbeiner, Matthias; Jørgensen, Andreas;

    2012-01-01

    One method to assess the sustainability performance of products is life cycle sustainability assessment (LCSA), which assesses product performance considering the environmental,economic, and social dimensions of the life cycle. The results of LCSA can be used to compare different products or to...... sustainability is the communicability of the results by means of a graphical representation (a cartogram), characterized by a suitable chromatic scale and ranking score. The integration of LCSA and the dashboard of sustainability into a so-called Life Cycle Sustainability Dashboard (LCSD) is described here. The...... support decision making toward sustainable production and consumption. In both cases, LCSA results could be too disaggregated and consequently too difficult to understand and interpret by decision makers. As non-experts are usually the target audience of experts and scientists, and are also involved in...

  6. Buoyancy organic Rankine cycle

    Energy Technology Data Exchange (ETDEWEB)

    Schoenmaker, J.; Rey, J.F.Q. [Centro de Engenharia, Modelagem e Ciencias Sociais Aplicadas, Universidade Federal do ABC (CECS-UFABC), Rua Santa Adelia 166, Bairro Bangu, 09210-170 Santo Andre, SP (Brazil); Pirota, K.R. [Instituto de Fisica Gleb Wataghin, Universidade Estadual de Campinas (UNICAMP), C.P. 6165, Campinas, SP (Brazil)

    2011-03-15

    In the scope of renewable energy, we draw attention to a little known technique to harness solar and geothermal energy. The design here proposed and analyzed is a conceptual hybrid of several patents. By means of a modified organic Rankine cycle, energy is obtained utilizing buoyancy force of a working fluid. Based on thermodynamic properties we propose and compare the performance of Pentane and Dichloromethane as working fluids. Theoretical efficiencies up to 0.26 are estimated for a 51 m (Pentane) and 71.5 m (Dichloromethane) high column of water in a regime below 100 C operation temperature. These findings are especially relevant in the scope of distributed energy systems, combined cycle plants, and low-temperature Rankine cycles. (author)

  7. Superfluid thermodynamic cycle refrigerator

    Science.gov (United States)

    Swift, Gregory W.; Kotsubo, Vincent Y.

    1992-01-01

    A cryogenic refrigerator cools a heat source by cyclically concentrating and diluting the amount of .sup.3 He in a single phase .sup.3 He-.sup.4 He solution. The .sup.3 He in superfluid .sup.4 He acts in a manner of an ideal gas in a vacuum. Thus, refrigeration is obtained using any conventional thermal cycle, but preferably a Stirling or Carnot cycle. A single phase solution of liquid .sup.3 He at an initial concentration in superfluid .sup.4 He is contained in a first variable volume connected to a second variable volume through a superleak device that enables free passage of .sup.4 He while restricting passage of .sup.3 He. The .sup.3 He is compressed (concentrated) and expanded (diluted) in a phased manner to carry out the selected thermal cycle to remove heat from the heat load for cooling below 1 K.

  8. Superfluid thermodynamic cycle refrigerator

    International Nuclear Information System (INIS)

    A cryogenic refrigerator cools a heat source by cyclically concentrating and diluting the amount of 3He in a single phase 3He-4He solution. The 3He in superfluid 4He acts in a manner of an ideal gas in a vacuum. Thus, refrigeration is obtained using any conventional thermal cycle, but preferably a Stirling or Carnot cycle. A single phase solution of liquid 3He at an initial concentration in superfluid 4He is contained in a first variable volume connected to a second variable volume through a superleak device that enables free passage of 4He while restricting passage of 3He. The 3He is compressed (concentrated) and expanded (diluted) in a phased manner to carry out the selected thermal cycle to remove heat from the heat load for cooling below 1 K. 12 figs

  9. Equine-assisted therapy

    OpenAIRE

    Barbara MacLean, LCAT, MT-BC

    2011-01-01

    Since 2008, the Samuel S. Stratton Department of Veterans Affairs (VA) Medical Center in Albany, New York, has offered the Equine-Assisted Therapy Program for veterans with posttraumatic stress disorder (PTSD). The first year, the program ran for 7 weeks, and in 2009 and 2010, we were able to run 12-week programs in the summers and a 9-week program in the fall of 2010. Also in 2010, veterans from the VA's Adaptive Sports Program enjoyed a 3-hour "sampler" afternoon. In 2011, we are holding tw...

  10. Equine-assisted therapy

    Directory of Open Access Journals (Sweden)

    Barbara MacLean, LCAT, MT-BC

    2011-08-01

    Full Text Available Since 2008, the Samuel S. Stratton Department of Veterans Affairs (VA Medical Center in Albany, New York, has offered the Equine-Assisted Therapy Program for veterans with posttraumatic stress disorder (PTSD. The first year, the program ran for 7 weeks, and in 2009 and 2010, we were able to run 12-week programs in the summers and a 9-week program in the fall of 2010. Also in 2010, veterans from the VA's Adaptive Sports Program enjoyed a 3-hour "sampler" afternoon. In 2011, we are holding two 10-week sessions.

  11. Computer - Assisted Accounting

    OpenAIRE

    SORIN-CIPRIAN TEIUŞAN

    2009-01-01

    What is computer-assisted accounting? Where is the place and what is the role of the computer in the financial-accounting activity? What is the position and importance of the computer in the accountant’s activity? All these are questions that require scientific research in order to find the answers. The paper approaches the issue of the support granted to the accountant to organize and manage the accounting activity by the computer. Starting from the notions of accounting and computer, the co...

  12. Cell-Assisted Lipotransfer

    DEFF Research Database (Denmark)

    Toyserkani, Navid Mohamadpour; Quaade, Marlene Louise; Sørensen, Jens Ahm

    2016-01-01

    -derived stromal cells (ASCs) to enrich the fat graft, a procedure termed cell-assisted lipotransfer (CAL). The aim of this review was to systematically review the current preclinical and clinical evidence for the efficacy of CAL compared with conventional lipotransfer. MATERIALS AND METHODS: A systematic search....... CONCLUSIONS: The present evidence suggests that there is a big potential for CAL in reconstructive surgery; however, the present studies are so far still of low quality with inherent weaknesses. Several aspects regarding CAL still remain unknown such as the optimal degree of cell enrichment and also its...

  13. Discontinuation Decision in Assisted Reproductive Techniques

    Directory of Open Access Journals (Sweden)

    Ashraf Moini

    2009-01-01

    Full Text Available Background: In vitro fertilization (IVF and intra cytoplasmic sperm injection (ICSI are recognizedas established and increasingly successful forms of treatment for infertility, yet significant numbersof couples discontinue treatment without achieving a live birth. This study aims to identify majorfactors that influence the decision to discontinue IVF/ICSI treatments.Materials and Methods: We studied the data of 338 couples who discontinued their infertilitytreatments after three cycles; based on medical records and phone contact. The main measure wasthe reason for stopping their treatments.Results: Economical problems were cited by 212 couples (62.7%, as their mean income wassignificantly less than other couples (p<0.0001. Lack of success was reported as a reason by229 (67.8%, from whom 165 (72% also had economical problems. Achieving independent-ART pregnancy was the reason for discontinuation in 20 (5.9% couples. Psychological stress,depression and anxiety were reported as other cessation factors by 169 (50%, 148 (43.8% and 182(53.8% couples, respectively.Conclusion: This survey suggests that the most common reasons for assisted reproductivetechnique (ART discontinuation after three cycles are: prior unsuccessful cycles, economicaland psychological problems. Therefore, the substantial proportion of couples could benefit frompsychological intervention, increasing awareness of ART outcomes and health funding to copemore adequately with failed treatments.

  14. Cycles in fossil diversity

    Energy Technology Data Exchange (ETDEWEB)

    Rohde, Robert A.; Muller, Richard A.

    2004-10-20

    It is well-known that the diversity of life appears to fluctuate during the course the Phanerozoic, the eon during which hard shells and skeletons left abundant fossils (0-542 Ma). Using Sepkoski's compendium of the first and last stratigraphic appearances of 36380 marine genera, we report a strong 62 {+-} 3 Myr cycle, which is particularly strong in the shorter-lived genera. The five great extinctions enumerated by Raup and Sepkoski may be an aspect of this cycle. Because of the high statistical significance, we also consider contributing environmental factors and possible causes.

  15. Global Carbon Cycle

    OpenAIRE

    Probst, Jean-Luc; Faure, Hugues; Veizer, Jan

    1999-01-01

    The European Union of Geosciences held its 9th biannual meeting in Strasbourg, March 23–27, 1997. During this meeting, Symposium N8 18, Global carbon Cycle, was held under the sponsorship of the IGCP 1 n8404 on the «Terrestrial Carbon in the past 125 Ka», the INQUA 2 Carbon Commission and the ESCOBA-Biosphere 3 project of the EC Environment and Climate Programme. The «Global Carbon Cycle» Symposium attracted 28 oral and poster presentations and about one hundred par...

  16. Resurrecting Equilibria Through Cycles

    DEFF Research Database (Denmark)

    Barnett, Richard C.; Bhattacharya, Joydeep; Bunzel, Helle

    equilibria because they asymptotically violate some economic restriction of the model. The literature has always ruled out such paths. This paper studies a pure-exchange monetary overlapping generations economy in which real balances cycle forever between momentary equilibrium points. The novelty is to show...... that segments of the offer curve that have been previously ignored, can in fact be used to produce asymptotically valid cyclical paths. Indeed, a cycle can bestow dynamic validity on momentary equilibrium points that had erstwhile been classified as dynamically invalid....

  17. Global water cycle

    Science.gov (United States)

    Robertson, Franklin; Goodman, Steven J.; Christy, John R.; Fitzjarrald, Daniel E.; Chou, Shi-Hung; Crosson, William; Wang, Shouping; Ramirez, Jorge

    1993-01-01

    This research is the MSFC component of a joint MSFC/Pennsylvania State University Eos Interdisciplinary Investigation on the global water cycle extension across the earth sciences. The primary long-term objective of this investigation is to determine the scope and interactions of the global water cycle with all components of the Earth system and to understand how it stimulates and regulates change on both global and regional scales. Significant accomplishments in the past year are presented and include the following: (1) water vapor variability; (2) multi-phase water analysis; (3) global modeling; and (4) optimal precipitation and stream flow analysis and hydrologic processes.

  18. Life Cycle Environmental Management

    DEFF Research Database (Denmark)

    Pedersen, Claus Stig; Jørgensen, Jørgen; Pedersen, Morten Als

    1996-01-01

    A precondition for environmentally conscious management is the awareness of the environmental impact potentials created by an industrial company. There is an obvious need for management tools to support the implementation of relevant environmental criteria into the industrial decision making...... processes. The discipline of life cycle environmental management (LCEM) focuses on the incorporation of environmental criteria from the life cycles of products and other company activities into the company management processes. This paper introduces the concept of LCEM as an important element...... of the complete set of environmental objects in an industrial manufacturing company....

  19. Carbon cycle makeover

    DEFF Research Database (Denmark)

    Canfield, Donald Eugene; Kump, Lee R.

    2013-01-01

    remaining in sediments after respiration leave a residual of oxygen in the atmosphere. The source of oxygen to the atmosphere represented by organic matter burial is balanced by oxygen sinks associated with rock weathering and chemical reaction with volcanic gases. This is the long-term carbon and oxygen...... geochemical cycle. But Earth is an old planet, and oxygen levels have changed through time (2). On page 540 of this issue, Schrag et al. (3) challenge the most commonly used geochemical approach to assess long-term changes in the coupled oxygen and carbon cycles....

  20. Exploration and Practice of the Modern Apprenticeship System in the Teaching of Graphics and Images%现代学徒制在图形图像制作专业教学中的探索与实践

    Institute of Scientific and Technical Information of China (English)

    李和香

    2015-01-01

    随着计算机技术的迅速发展和普及,对于图形图像制作专业来说如何抓好专业课程的教学改革,培养符合社会发展需求的高技能人才成为我们关注的问题.作为一种人才培养模式的现代学徒制在图形图像制作专业的专业课程教学中具有独特优势,对于我们解决现阶段高职教育中的诸多问题具有一定的针对性.本文在现代学徒制培养模式的基础上提出了图形图像制作专业的专业课程教学改革的探讨,讨论如何在课程教学实践中做好课程重建等方面的具体工作,使传统的教学模式有所创新.%With the rapid development and popularization of computer technology, it is a problem for us to pay special attention to the teaching reform of the professional course in the production of graphic images. As a kind of talent training mode of the modern apprenticeship in the graphics and image production professional course teaching has unique advantages, for us to solve many problems in Higher Vocational education. Based on the modern apprenticeship system, this paper puts forward a discus-sion on the reform of professional course teaching in the production of graphic images, and discusses how to do the work of cur-riculum reconstruction in the curriculum teaching practice.

  1. RNAi-Assisted Genome Evolution (RAGE) in Saccharomyces cerevisiae.

    Science.gov (United States)

    Si, Tong; Zhao, Huimin

    2016-01-01

    RNA interference (RNAi)-assisted genome evolution (RAGE) applies directed evolution principles to engineer Saccharomyces cerevisiae genomes. Here, we use acetic acid tolerance as a target trait to describe the key steps of RAGE. Briefly, iterative cycles of RNAi screening are performed to accumulate multiplex knockdown modifications, enabling directed evolution of the yeast genome and continuous improvement of a target phenotype. Detailed protocols are provided on the reconstitution of RNAi machinery, creation of genome-wide RNAi libraries, identification and integration of beneficial knockdown cassettes, and repeated RAGE cycles. PMID:27581294

  2. [Computer-assisted surgery].

    Science.gov (United States)

    Micali, Salvatore

    2011-01-01

    The broad range of Computer Assisted Surgery (CAS) represents the integration of computer technology in surgical procedures for presurgical planning, guiding or manipulation. Surgical robots and surgical endoscopic navigation are the most challenging applications to urology. A surgical robot is defined as a computer-controlled manipulator with artificial sensing which can be programmed to move, and position tools to carry out surgical tasks. In urology, robots have been tested in two areas: endourology and laparoscopy. Surgical navigation allows the surgeon to process data from pre- and intraoperative sources, aiming at purification and presentation of the most relevant information. Image-guided systems (IGS), augmented reality (AR) and navigation in endoscopic soft tissue surgery represent the three main topics of surgical urological navigation. IGS involve matching the coordinates from medical imaging (preoperative registration) with coordinates from the patient in the operating room (registration and updating images). IGS have become the standard of care in providing navigational assistance during neurosurgery, offering subsurface and functional information to the surgeon. PMID:21452161

  3. Scaffolding in Assisted Instruction

    Directory of Open Access Journals (Sweden)

    2007-01-01

    Full Text Available On-The-Job Training, developed as direct instruction, is one of the earliest forms of training. This method is still widely in use today because it requires only a person who knows how to do the task, and the tools the person uses to do the task. This paper is intended to be a study of the methods used in education in Knowledge Society, with more specific aspects in training the trainers; as a result of this approach, it promotes scaffolding in assisted instruction as a reflection of the digital age for the learning process. Training the trainers in old environment with default techniques and designing the learning process in assisted instruction, as an application of the Vygotskian concept of the zone of proximal development (ZPD to the area of computer literacy for the younger users, generate diversity in educational communities and requires standards for technology infrastructure, standards for the content, developed as a concepts map, and applications for personalized in-struction, based on ZPD theory.

  4. Meson assisted dibaryons

    CERN Document Server

    Gal, Avraham

    2015-01-01

    We discuss a new type of L=0 positive-parity dibaryons, pion-B-B', where the dominant binding mechanism is provided by resonating p-wave pion-baryon interactions. Recent calculations of such pion assisted dibaryons are reviewed with special emphasis placed on the non-strange I(JP)=1(2+) N-Delta dibaryon D_{12}(2150) studied recently at JLab, and on the 0(3+) Delta-Delta dibaryon D_{03}(2380) discovered recently by the WASA-at-COSY Collaboration. We review recent searches by the HADES Collaboration at GSI and by the E15 and E27 Experiments at J-PARC for a strangeness S=-1 I(JP)=1/2(0-) K-pp dibaryon and perhaps also for a strange I(JP)=3/2(2+) N-Sigma(1385) pion assisted dibaryon Y_{3/2(2+)}(2270). Charm C=+1 dibaryons, predicted with these same I(JP) values, are also briefly reviewed.

  5. Menstrual cycle pattern and fertility

    DEFF Research Database (Denmark)

    Kolstad, Henrik A.; Bonde, Jens Peter; Hjøllund, Niels Henrik;

    1999-01-01

    To characterize how the menstrual cycle pattern relates to fertility regardless of potential biases caused by inappropriate coital timing during the menstrual cycle or early embryonal loss.......To characterize how the menstrual cycle pattern relates to fertility regardless of potential biases caused by inappropriate coital timing during the menstrual cycle or early embryonal loss....

  6. The Pneumocystis life cycle

    Directory of Open Access Journals (Sweden)

    Cécile-Marie Aliouat-Denis

    2009-05-01

    Full Text Available First recognised as "schizonts" of Trypanosoma cruzi, Pneumocystis organisms are now considered as part of an early-diverging lineage of Ascomycetes. As no robust long-term culture model is available, most data on the Pneumocystis cell cycle have stemmed from ultrastructural images of infected mammalian lungs. Although most fungi developing in animals do not complete a sexual cycle in vivo, Pneumocystis species constitute one of a few exceptions. Recently, the molecular identification of several key players in the fungal mating pathway has provided further evidence for the existence of conjugation and meiosis in Pneumocystisorganisms. Dynamic follow-up of stage-to-stage transition as well as studies of stage-specific proteins and/or genes would provide a better understanding of the still hypothetical Pneumocystislife cycle. Although difficult to achieve, stage purification seems a reasonable way forward in the absence of efficient culture systems. This mini-review provides a comprehensive overview of the historical milestones leading to the current knowledge available on the Pneumocystis life cycle.

  7. Educational Business Cycles

    DEFF Research Database (Denmark)

    Tepe, Markus; Vanhuysse, Pieter

    2009-01-01

    teacher employment patterns at the state level in Germany and find strong evidence of cycling mechanisms, in the form of electioneering and honeymooning. Against a backdrop of a continuously shrinking total teachers' pool, German state-level incumbents accelerate the hiring of new teachers during election...

  8. Educational Business Cycles

    DEFF Research Database (Denmark)

    Tepe, Markus; Vanhuysse, Pieter

    teacher employment patterns at the state level in Germany and find strong evidence of cycling mechanisms, in the form of electioneering and honeymooning. Against a backdrop of a continuously shrinking total teachers' pool, German state-level incumbents accelerate the hiring of new teachers during election...

  9. 90-Day Cycle Handbook

    Science.gov (United States)

    Park, Sandra; Takahashi, Sola

    2013-01-01

    90-Day Cycles are a disciplined and structured form of inquiry designed to produce and test knowledge syntheses, prototyped processes, or products in support of improvement work. With any type of activity, organizations inevitably encounter roadblocks to improving performance and outcomes. These barriers might include intractable problems at…

  10. ITER fuel cycle

    International Nuclear Information System (INIS)

    Resulting from the Conceptual Design Activities (1988-1990) by the parties involved in the International Thermonuclear Experimental Reactor (ITER) project, this document summarizes the design requirements and the Conceptual Design Descriptions for each of the principal subsystems and design options of the ITER Fuel Cycle conceptual design. The ITER Fuel Cycle system provides for the handling of all tritiated water and gas mixtures on ITER. The system is subdivided into subsystems for fuelling, primary (torus) vacuum pumping, fuel processing, blanket tritium recovery, and common processes (including isotopic separation, fuel management and storage, and processes for detritiation of solid, liquid, and gaseous wastes). After an introduction describing system function and conceptual design procedure, a summary of the design is presented including a discussion of scope and main parameters, and the fuel design options for fuelling, plasma chamber vacuum pumping, fuel cleanup, blanket tritium recovery, and auxiliary and common processes. Design requirements are defined and design descriptions are given for the various subsystems (fuelling, plasma vacuum pumping, fuel cleanup, blanket tritium recovery, and auxiliary/common processes). The document ends with sections on fuel cycle design integration, fuel cycle building layout, safety considerations, a summary of the research and development programme, costing, and conclusions. Refs, figs and tabs

  11. Re-Cycling

    Science.gov (United States)

    Brown, Robert W.; Covault, Corbin E.

    2015-01-01

    An old comedy routine on Saturday Night Live by Father Guido Sarducci introduced a "Five-Minute University," because five minutes is all that's remembered after graduation anyway. In counterpoint, we discuss "cycling," a teaching method for memory enhancement. Our principal implementation consists of offering a simple version…

  12. The Science of Cycling

    Science.gov (United States)

    Crompton, Zoe; Daniels, Shelley

    2014-01-01

    Children are engaged by finding out about science in the real world (Harlen, 2010). Many children will be cyclists or will have seen or heard about the success of British cyclists in the Olympics and the Tour de France. This makes cycling a good hook to draw children into learning science. It is also a good cross-curricular topic, with strong…

  13. Boundedly rational credit cycles

    OpenAIRE

    S??ez, Mar??a

    1996-01-01

    We propose an evolutionary model of a credit market. We show that the economy exhibits credit cycles. The model predicts dynamics which are consistent with some evidence about the Great Depression. Real shocks trigger episodes of credit--crunch which are observed in the process of adjustment towards the post shock equilibrium.

  14. Fuel cycle. Fuel reprocessing

    International Nuclear Information System (INIS)

    Reprocessing includes mechanical and chemical operations on spent fuel for extraction of valuable materials. These operations are a part of the fuel cycle. In this paper are given technical data on spent fuels, transport, storage, decladding, dissolution, Purex process, elaboration of U and Pu and reprocessing engineering. This article is completed by 106 references

  15. The Geologic Nitrogen Cycle

    Science.gov (United States)

    Johnson, B. W.; Goldblatt, C.

    2013-12-01

    N2 is the dominant gas in Earth's atmosphere, and has been so through the majority of the planet's history. Originally thought to only be cycled in significant amounts through the biosphere, it is becoming increasingly clear that a large degree of geologic cycling can occur as well. N is present in crustal rocks at 10s to 100s of ppm and in the mantle at 1s to perhaps 10s of ppm. In light of new data, we present an Earth-system perspective of the modern N cycle, an updated N budget for the silicate Earth, and venture to explain the evolution of the N cycle over time. In an fashion similar to C, N has a fast, biologically mediated cycle and a slower cycle driven by plate tectonics. Bacteria fix N2 from the atmosphere into bioavailable forms. N is then cycled through the food chain, either by direct consumption of N-fixing bacteria, as NH4+ (the primary waste form), or NO3- (the most common inorganic species in the modern ocean). Some organic material settles as sediment on the ocean floor. In anoxic sediments, NH4+ dominates; due to similar ionic radii, it can readily substitute for K+ in mineral lattices, both in sedimentary rocks and in oceanic lithosphere. Once it enters a subduction zone, N may either be volatilized and returned to the atmosphere at arc volcanoes as N2 or N2O, sequestered into intrusive igneous rocks (as NH4+?), or subducted deep into the mantle, likely as NH4+. Mounting evidence indicates that a significant amount of N may be sequestered into the solid Earth, where it may remain for long periods (100s m.y.) before being returned to the atmosphere/biosphere by volcanism or weathering. The magnitude fluxes into the solid Earth and size of geologic N reservoirs are poorly constrained. The size of the N reservoirs contained in the solid Earth directly affects the evolution of Earth's atmosphere. It is possible that N now sequestered in the solid Earth was once in the atmosphere, which would have resulted in a higher atmospheric pressure, and

  16. Ultrasound-assisted biodiesel production from Camelina sativa oil.

    Science.gov (United States)

    Sáez-Bastante, J; Ortega-Román, C; Pinzi, S; Lara-Raya, F R; Leiva-Candia, D E; Dorado, M P

    2015-06-01

    The main drawbacks of biodiesel production are high reaction temperatures, stirring and time. These could be alleviated by aiding transesterification with alternative energy sources, i.e. ultrasound (US). In this study, biodiesel was obtained from Camelina sativa oil, aided with an ultrasonic probe (20kHz, 70% duty cycle, 50% amplitude). Design of experiments included the combination of sonication and agitation cycles, w/wo heating (50°C). To gain knowledge about the implications of the proposed methodology, conventional transesterification was optimized, resulting in higher needs on catalyst concentration and reaction time, compared to the proposed reaction. Although FAME content met EN 14103 standard, FAME yields were lower than those provided by US-assisted transesterification. Energy consumption measurements showed that ultrasound assisted transesterification required lower energy, temperature, catalyst and reaction time. PMID:25768413

  17. The success of assisted colonization and assisted gene flow depends on phenology.

    Science.gov (United States)

    Wadgymar, Susana M; Cumming, Matthew N; Weis, Arthur E

    2015-10-01

    Global warming will jeopardize the persistence and genetic diversity of many species. Assisted colonization, or the movement of species beyond their current range boundary, is a conservation strategy proposed for species with limited dispersal abilities or adaptive potential. However, species that rely on photoperiodic and thermal cues for development may experience conflicting signals if transported across latitudes. Relocating multiple, distinct populations may remedy this quandary by expanding genetic variation and promoting evolutionary responses in the receiving habitat--a strategy known as assisted gene flow. To better inform these policies, we planted seeds from latitudinally distinct populations of the annual legume, Chamaecrista fasciculata, in a potential future colonization site north of its current range boundary. Plants were exposed to ambient or elevated temperatures via infrared heating. We monitored several life history traits and estimated patterns of natural selection to determine the adaptive value of plastic responses. To assess the feasibility of assisted gene flow between phenologically distinct populations, we counted flowers each day and estimated the degree of temporal isolation between populations. Increased temperatures advanced each successive phenological trait more than the last, resulting in a compressed life cycle for all but the southern-most population. Warming altered patterns of selection on flowering onset and vegetative biomass. Population performance was dependent on latitude of origin, with the northern-most population performing best under ambient conditions and the southern-most performing most poorly, even under elevated temperatures. Among-population differences in flowering phenology limited the potential for genetic exchange among the northern- and southern-most populations. All plastic responses to warming were neutral or adaptive; however, photoperiodic constraints will likely necessitate evolutionary responses for

  18. Preparing for Success through Apprenticeship

    Science.gov (United States)

    Christman, Scott

    2012-01-01

    The fact that many companies outsource jobs and contracts for manufactured products can be attributed to the shortage of technically trained and skilled workers in America's workforce. Today, business and industry, educators, parents, and students are significantly interested in STEM education and technological literacy. With the majority of…

  19. Apprenticeships at CERN: Awards 2009

    CERN Multimedia

    2009-01-01

    On 23 September, two young apprentices were honoured by the Union industrielle genevoise (UIG) on passing their exams: Coralie Husi, a physics lab apprentice, and Denis Fernier, an electronics apprentice.

  20. Efficient Enumeration of Chordless Cycles

    OpenAIRE

    Dias, Elisângela Silva; Castonguay, Diane; Longo, Humberto; Jradi, Walid Abdala Rfaei

    2013-01-01

    In a finite undirected simple graph, a {\\it chordless cycle} is an induced subgraph which is a cycle. We propose two algorithms to enumerate all chordless cycles of such a graph. Compared to other similar algorithms, the proposed algorithms have the advantage of finding each chordless cycle only once. To ensure this, we introduced the concepts of vertex labeling and initial valid vertex triplet. To guarantee that the expansion of a given chordless path will always lead to a chordless cycle, w...

  1. Assisted closure of fasciotomy wounds

    OpenAIRE

    Fowler, J. R.; Kleiner, M. T.; Das, R.; Gaughan, J.P.; Rehman, S.

    2012-01-01

    Introduction Negative pressure wound therapy (NPWT) and vessel loop assisted closure are two common methods used to assist with the closure of fasciotomy wounds. This retrospective review compares these two methods using a primary outcome measurement of skin graft requirement. Methods A retrospective search was performed to identify patients who underwent fasciotomy at our institution. Patient demographics, location of the fasciotomy, type of assisted closure, injury characteristics, need for...

  2. Assistance to Tourism: Exploratory Estimates

    OpenAIRE

    Productivity Commission

    2005-01-01

    In April 2005, the research paper into ‘Assistance to Tourism: Exploratory Estimates’ was released. It is the first comprehensive attempt to quantify the extent of assistance to tourism on a comparable basis to that for other industries in Australia. While care is needed in interpreting the results, the estimates suggest that tourism receives a lower rate of Australian Government assistance than the average for the manufacturing and primary sectors, but more than for other service industries....

  3. The effects of laser assisted hatching on pregnancy rates

    OpenAIRE

    Alireza Ghannadi; Marjaneh Kazerooni; Fatemeh Jamalzadeh; Sahar Amiri; Parifar Rostami; Forouzan Absalan

    2011-01-01

    Background: For infertile women aged over 35 years, failure of the ZP (zona pellucida) to rupture is believed to be associated with a decreased implantation rate in in vitro fertilization (IVF) or intra cytoplasmic sperm injection (ICSI). Objective: In this research, laser assisted hatching (LAH) was offered to patients with advanced maternal age to evaluate a possible benefit. Materials and Methods: Nine hundred thirty two cycles of IVF/ICSI in females were analyzed. Women included in this s...

  4. Urea cycle disorders: brain MRI and neurological outcome

    Energy Technology Data Exchange (ETDEWEB)

    Bireley, William R. [University of Colorado, Department of Radiology, Aurora, CO (United States); Van Hove, Johan L.K. [University of Colorado, Department of Genetics and Inherited Metabolic Diseases, Aurora, CO (United States); Gallagher, Renata C. [Children' s Hospital Colorado, Department of Genetics and Inherited Metabolic Diseases, Aurora, CO (United States); Fenton, Laura Z. [Children' s Hospital Colorado, Department of Pediatric Radiology, Aurora, CO (United States)

    2012-04-15

    Urea cycle disorders encompass several enzyme deficiencies that can result in cerebral damage, with a wide clinical spectrum from asymptomatic to severe. The goal of this study was to correlate brain MRI abnormalities in urea cycle disorders with clinical neurological sequelae to evaluate whether MRI abnormalities can assist in guiding difficult treatment decisions. We performed a retrospective chart review of patients with urea cycle disorders and symptomatic hyperammonemia. Brain MRI images were reviewed for abnormalities that correlated with severity of clinical neurological sequelae. Our case series comprises six urea cycle disorder patients, five with ornithine transcarbamylase deficiency and one with citrullinemia type 1. The observed trend in distribution of brain MRI abnormalities as the severity of neurological sequelae increased was the peri-insular region first, extending into the frontal, parietal, temporal and, finally, the occipital lobes. There was thalamic restricted diffusion in three children with prolonged hyperammonemia. Prior to death, this site is typically reported to be spared in urea cycle disorders. The pattern and extent of brain MRI abnormalities correlate with clinical neurological outcome in our case series. This suggests that brain MRI abnormalities may assist in determining prognosis and helping clinicians with subsequent treatment decisions. (orig.)

  5. Machine assisted histogram classification

    International Nuclear Information System (INIS)

    LHCb is one of the four major experiments under completion at the Large Hadron Collider (LHC). Monitoring the quality of the acquired data is important, because it allows the verification of the detector performance. Anomalies, such as missing values or unexpected distributions can be indicators of a malfunctioning detector, resulting in poor data quality. Spotting faulty or ageing components can be either done visually using instruments, such as the LHCb Histogram Presenter, or with the help of automated tools. In order to assist detector experts in handling the vast monitoring information resulting from the sheer size of the detector, we propose a graph based clustering tool combined with machine learning algorithm and demonstrate its use by processing histograms representing 2D hitmaps events. We prove the concept by detecting ion feedback events in the LHCb experiment's RICH subdetector.

  6. Training assessments and assistance

    International Nuclear Information System (INIS)

    The Transportation Management Division, Office of Environmental Restoration and Waste Management (TMD/EM-261), United States Department of Energy (DOE), Training Program Manager has established an independent Training Assessment Program, the intent of which is to evaluate, exclusively, transportation and packaging training activities throughout the Department of Energy (DOE) community. The results generated from an application of the Training Assessment Program are intended to be utilized as a management tool for maintaining compliance with applicable regulatory-driven training requirements. In addition, the Transportation Assessment Program can be employed to evaluate training methodologies and, through a pre-arranged, cooperative, technical assistance effort, provide each Department of Energy (DOE) site with the means necessary to enhance it's overall transportation and packaging training capabilities

  7. Radiology for dental assistants

    International Nuclear Information System (INIS)

    The book provides dental assistants with the knowledge they need to apply X-rays in a safe and economical manner. Starting from the theoretical fundamentals of radiophysics, the biologic effects of X-rays leading to the protective requirements of the new X-Ray Ordinance are explained. The main topics are the adjustment rules for dental film, panorama and cassette film images which are explained in detail and illustrated, the topics of materials and equipment, and processing up to the stage of a safe guarding. In chapters dealing with the practical points of view, the applications in paedodentistry and orthodontics, in endodonty, parodontology and in imaging the temporo-mandibular joints are described; these chapters also deal with recognizing and avoiding mistakes. An appendix with data worth knowing rounds up the contents. The book is based on numerous training seminars. (orig./MG)

  8. Neutrino assisted gauge mediation

    International Nuclear Information System (INIS)

    Recent observation shows that the Higgs mass is at around 125 GeV while the prediction of the minimal supersymmetric standard model is below 120 GeV for stop mass lighter than 2 TeV unless the top squark has a maximal mixing. We consider the right-handed neutrino supermultiplets as messengers in addition to the usual gauge mediation to obtain sizeable trilinear soft parameters At needed for the maximal stop mixing. Neutrino messengers can explain the observed Higgs mass for stop mass around 1 TeV. Neutrino assistance can also generate charged lepton flavor violation including μ→e γ as a possible signature of the neutrino messengers. We consider the S4 discrete flavor model and show the relation of the charged lepton flavor violation, θ 13 of neutrino oscillation and the muon's g-2. (orig.)

  9. Stirling cycle cryogenic cooler

    Science.gov (United States)

    Gasser, M. G.; Sherman, A.; Studer, P. A.; Daniels, A.; Goldowsky, M. P. (Inventor)

    1983-01-01

    A long lifetime Stirling cycle cryogenic cooler particularly adapted for space applications is described. It consists of a compressor section centrally aligned end to end with an expansion section, and respectively includes a reciprocating compressor piston and displacer radially suspended in interconnecting cylindrical housings by active magnetic bearings and has adjacent reduced clearance regions so as to be in noncontacting relationship therewith and wherein one or more of these regions operate as clearance seals. The piston and displacer are reciprocated in their housings by linear drive motors to vary the volume of respectively adjacent compression and expansion spaces which contain a gaseous working fluid and a thermal regenerator to effect Stirling cycle cryogenic cooling.

  10. Stirling cycle cryogenic cooler

    Science.gov (United States)

    Gasser, M. G.; Sherman, A.; Studer, P. A.; Daniels, A.; Goldowsky, M. P.

    1983-06-01

    A long lifetime Stirling cycle cryogenic cooler particularly adapted for space applications is described. It consists of a compressor section centrally aligned end to end with an expansion section, and respectively includes a reciprocating compressor piston and displacer radially suspended in interconnecting cylindrical housings by active magnetic bearings and has adjacent reduced clearance regions so as to be in noncontacting relationship therewith and wherein one or more of these regions operate as clearance seals. The piston and displacer are reciprocated in their housings by linear drive motors to vary the volume of respectively adjacent compression and expansion spaces which contain a gaseous working fluid and a thermal regenerator to effect Stirling cycle cryogenic cooling.

  11. CANDU fuel cycle flexibility

    International Nuclear Information System (INIS)

    High neutron economy, on-power refuelling, and a simple bundle design provide a high degree of flexibility that enables CANDU (Canada Deuterium Uranium; registered trademark) reactors to be fuelled with a wide variety of fuel types. Near-term applications include the use of slightly enriched uranium (SEU), and recovered uranium (RU) from reprocessed spent Light Water Reactor (LWR) fuel. Plutonium and other actinides arising from various sources, including spent LWR fuel, can be accommodated, and weapons-origin plutonium could be destroyed by burning in CANDU. In the DUPIC fuel cycle, a dry processing method would convert spent Pressurized Water Reactor (PWR) fuel to CANDU fuel. The thorium cycle remains of strategic interest in CANDU to ensure long-term resource availability, and would be of specific interest to those countries possessing large thorium reserves, but limited uranium resources. (author). 21 refs

  12. Riding the cycle

    International Nuclear Information System (INIS)

    The current state of the Canadian oil and natural gas industry is reviewed as part of a discussion of economic cycles focusing in particular on the most recent cycle and the impact it has had on the industry. The review of the state of the industry includes discussion of production, exports, commodity prices, the stimulating effect of price increases on the number of oil and natural gas wells drilled, drilling rig operating days. Also discussed are the effect of foreign exchange rates, capital spending, industry financial performance in terms of return on capital employed, the impact of oil and gas prices on Alberta provincial revenues, estimates of Canada's ultimate crude oil and natural gas resources potential, pipelines and pipeline proposals for northern gas, and projection of crude oil and natural gas production in Canada to 2010

  13. A Kalina cycle with ejector

    International Nuclear Information System (INIS)

    A Kalina cycle with ejector (EKalina cycle) is proposed in this paper. In the EKalina cycle, an ejector is used to substitute for the throttle valve and the absorber in the Kalina cycle system 11 (KCS 11). The exhaust pressure of the expander is decreased by the ejector resulted in an increase of the working pressure difference of the expansion, and to increase the power output and the thermal efficiency of the cycle. The thermodynamic analyses and comparisons between the EKalina cycle and the KCS 11 are conducted on the cycle's power output, thermal efficiency with the low-grade heat source (LGHS). Water is chosen as the LGHS fluid, and the same temperature and mass flow rate of the water is the standard condition for the comparative analysis on the EKalina cycle and the KCS 11. Results show that the net power output and thermal efficiency of the EKalina cycle are higher than that of the KCS 11. - Highlights: • A Kalina cycle with ejector (EKalina cycle) based on Kalina cycle system 11 (KCS 11) is proposed. • Substituting ejector for the throttle valve to avoid throttling losses improves the cycle performance. • The net power output and thermal efficiency of EKalina cycle are higher than that of KCS 11

  14. Assessing Cycling Participation in Australia

    Directory of Open Access Journals (Sweden)

    Chris Rissel

    2013-01-01

    Full Text Available Planning and evaluating cycling programs at a national or state level requires accurate measures of cycling participation. However, recent reports of cycling participation have produced very different estimates. This paper examines the reported rates of cycling in five recent population surveys of cycling. Three surveys (one national and two from Sydney asking respondents when they last rode a bicycle generated cycling participation (cycled in the past year estimates of 29.7%, 34.1% and 28.9%. Two other national surveys which asked participants to recall (unprompted any physical activity done for exercise, recreation or sport in the previous 12 months, estimated cycling in the past year as 11.1% and 6.5%. While unprompted recall of cycling as a type of physical activity generates lower estimates of cycling participation than specific recall questions, both assessment approaches produced similar patterns of cycling by age and sex with both approaches indicating fewer women and older adults cycling. The different question styles most likely explain the substantial discrepancies between the estimates of cycling participation. Some differences are to be expected due to sampling variability, question differences, and regional variation in cycling.

  15. HCl removal using cycled carbide slag from calcium looping cycles

    International Nuclear Information System (INIS)

    Highlights: • Cycled carbide slag from calcium looping cycles is used to remove HCl. • The optimum temperature for HCl removal of cycled carbide slag is 700 °C. • The presence of CO2 restrains HCl removal of cycled carbide slag. • CO2 capture conditions have important effects on HCl removal of cycled carbide slag. • HCl removal capacity of carbide slag drops with cycle number rising from 1 to 50. - Abstract: The carbide slag is an industrial waste from chlor-alkali plants, which can be used to capture CO2 in the calcium looping cycles, i.e. carbonation/calcination cycles. In this work, the cycled carbide slag from the calcium looping cycles for CO2 capture was proposed to remove HCl in the flue gas from the biomass-fired and RDFs-fired boilers. The effects of chlorination temperature, HCl concentration, particle size, presence of CO2, presence of O2, cycle number and CO2 capture conditions in calcium looping cycles on the HCl removal behavior of the carbide slag experienced carbonation/calcination cycles were investigated in a triple fixed-bed reactor. The chlorination product of the cycled carbide slag from the calcium looping after absorbing HCl is not CaCl2 but CaClOH. The optimum temperature for HCl removal of the cycled carbide slag from the carbonation/calcination cycles is 700 °C. The chlorination conversion of the cycled carbide slag increases with increasing the HCl concentration. The cycled carbide slag with larger particle size exhibits a lower chlorination conversion. The presence of CO2 decreases the chlorination conversions of the cycled carbide slag and the presence of O2 has a trifling impact. The chlorination conversion of the carbide slag experienced 1 carbonation/calcination cycle is higher than that of the uncycled calcined sorbent. As the number of carbonation/calcination cycles increases from 1 to 50, the chlorination conversion of carbide slag drops gradually. The high calcination temperature and high CO2 concentration in the

  16. NSF assistant director for geosciences announces resignation

    Science.gov (United States)

    Zielinki, Sarah

    Margaret Leinen, assistant director for geosciences at the U.S. National Science Foundation, announced on 7 December that she will be leaving NSF in January 2007 to become the chief science officer and vice president of Climos, a new company based in San Francisco, Calif., that plans to develop solutions to reduce greenhouse gases. Leinen will oversee efforts to better understand the planet's carbon cycle to address global climate change issues.Leinen has managed the Directorate for Geosciences since 2000. She also served as vice chair of the U.S. Climate Change Science Program, which coordinates federal climate change research, and as co-chair of the National Science and Technology Council's Joint Committee on Ocean Science and Technology.

  17. Desiccant-assisted cooling fundamentals and applications

    CERN Document Server

    Brum, Nisio

    2014-01-01

    The increasing concern with indoor air quality has led to air-quality standards with increased ventilation rates. Although increasing the volume flow rate of outside air is advisable from the perspective of air-quality, it is detrimental to energy consumption, since the outside air has to be brought to the comfort condition before it is insufflated to the  conditioned ambient. Moreover, the humidity load carried within outside air has challenging HVAC engineers to design cooling units which are able to satisfactorily handle both sensible and latent contributions to the thermal load. This constitutes a favorable scenario for the use of solid desiccants to assist the cooling units. In fact, desiccant wheels have been increasingly applied by HVAC designers, allowing distinct processes for the air cooling and dehumidification. In fact, the ability of solid desiccants in moisture removal is effective enough to allow the use of evaporative coolers, in opposition to the traditional vapor-compression cycle, resultin...

  18. Cycles in Nonlinear Macroeconomics

    OpenAIRE

    Voronin, Anatoly V.; Chernyshov, Sergey I.

    2007-01-01

    The monograph is concerned with some key problems of the theory of nonlinear economic dynamics. The authors' concept consists in analyzing the problem of structural instability of economic systems within the framework of the synergetic paradigm. As examples, the classical models of macroeconomics are considered. The authors present the results of the study of the phenomenon of self-organization in open and nonequilibrium economic systems. The generation of limit cycles, as well as of more com...

  19. Pork Barrel Cycles

    OpenAIRE

    Allan Drazen; Marcela Eslava

    2006-01-01

    We present a model of political budget cycles in which incumbents influence voters by targeting government spending to specific groups of voters at the expense of other voters or other expenditures. Each voter faces a signal extraction problem: being targeted with expenditure before the election may reflect opportunistic manipulation, but may also reflect a sincere preference of the incumbent for the types of spending that voter prefers. We show the existence of a political equilibrium in whi...

  20. The carbon dioxide cycle

    Science.gov (United States)

    James, P.B.; Hansen, G.B.; Titus, T.N.

    2005-01-01

    The seasonal CO2 cycle on Mars refers to the exchange of carbon dioxide between dry ice in the seasonal polar caps and gaseous carbon dioxide in the atmosphere. This review focuses on breakthroughs in understanding the process involving seasonal carbon dioxide phase changes that have occurred as a result of observations by Mars Global Surveyor. ?? 2004 COSPAR. Published by Elsevier Ltd. All rights reserved.

  1. Recycling and Endogenous Cycles

    OpenAIRE

    Fodha, Mouez; Francesco MAGRIS

    2012-01-01

    This article investigates the conditions under which deterministic cycles can emerge in a discrete-time model with infinitely lived agents and when the economy is characterized by two sectors producing two perfectly substitutable goods: a virgin good and a recycled one. The occurrence of deterministic fluctuations rests upon the countercyclical behavior of the recycling industry: an increase in present consumption implies a lower future waste activity together with a lower agents' total incom...

  2. Concordance in Business Cycles

    OpenAIRE

    C. John McDermott; Alasdair Scott

    2000-01-01

    We study the properties of a test that determines whether two time series comove. The test computes a simple nonparametric statistic for “concordance,” which describes the proportion of time that the cycles of two series spend in the same phase. We establish the size and power properties of this test. As an illustration, the procedures are applied to output series from selected major industrial countries. We find limited evidence of widespread concordance for these countries.

  3. Steps and cycles

    OpenAIRE

    Chadwick, Andy

    2015-01-01

    Andy Chadwick* explains how interaction between continuous trend with natural climate cycles produces the observed stepped pattern of global warming Climate-change ‘sceptics’ have made great mileage out of the current hiatus in observed global warming. Atmospheric temperatures have not really increased since the turn of the 21st Century, a fact frequently cited as incompatible with, or even disproving, global warming. These same commentators draw a discreet veil over the fact that temper...

  4. Nuclear Fuel Cycle

    Energy Technology Data Exchange (ETDEWEB)

    Dale, Deborah J. [Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

    2014-10-28

    These slides will be presented at the training course “International Training Course on Implementing State Systems of Accounting for and Control (SSAC) of Nuclear Material for States with Small Quantity Protocols (SQP),” on November 3-7, 2014 in Santa Fe, New Mexico. The slides provide a basic overview of the Nuclear Fuel Cycle. This is a joint training course provided by NNSA and IAEA.

  5. FUZZY REASONING IN CYCLES

    Institute of Scientific and Technical Information of China (English)

    曹立明

    1990-01-01

    By the similarity between the syllogism in logic and a path proposition in graph theory,a new concept,fuzzy reasoning graph G has been given in this paper. Transitive closure has been studied and used to do reasoning related to self-loop in G,and an algorithm has been designed to cope with reasoning in other cycles in G. Both approaches are applicable and efficient.

  6. The nuclear fuel cycle

    International Nuclear Information System (INIS)

    The papers presented at the International Conference on The Nuclear Fuel Cycle, held at Stockholm, 28 to 31 October 1975, are reviewed. The meeting, organised by the U.S. Atomic Industrial Forum, and the Swedish Nuclear Forum, was concerned more particularly with economic, political, social and commercial aspects than with tecnology. The papers discussed were considered under the subject heading of current status, uranium resources, enrichment, and reprocessing. (U.K.)

  7. International Business Cycle

    Directory of Open Access Journals (Sweden)

    Marek Lubiński

    2007-06-01

    Full Text Available Prime stylized facts of international business cycle theory refer to positive correlation in the cyclical components of important macroeconomic variables across countries. However a number of indicators of business cycle synchronization do not point to clear trends. It can be ascribed to the fact that different forces influence level of business cycle correlation. When investigating into the forces behind the commonness in aggregate fluctuations economic research seems to have pointed in two directions. One strand of the literature examines the idea of common exogenous shocks that affect economies simultaneously. In addition to that economic interdependencies such as trade in goods and services or capital account transactions may serve as the channels through which disturbances spill over across countries.The observed degree of output co movement reflects both the nature of the shocks that have occurred and the degree of economic interdependence. In the periods when common shocks prevail level of synchronization is usually higher than in times of transmission dominance.

  8. Effect of Embryo Banking on U.S. National Assisted Reproductive Technology Live Birth Rates

    Science.gov (United States)

    Kushnir, Vitaly A.; Barad, David H.; Albertini, David F.; Darmon, Sarah K.; Gleicher, Norbert

    2016-01-01

    Background Assisted Reproductive Technology (ART) reports generated by the Centers for Disease Control and Prevention (CDC) exclude embryo banking cycles from outcome calculations. Methods We examined data reported to the CDC in 2013 for the impact of embryo banking exclusion on national ART outcomes by recalculating autologous oocyte ART live birth rates. Inflation of reported fresh ART cycle live birth rates was assessed for all age groups of infertile women as the difference between fresh cycle live births with reference to number of initiated fresh cycles (excluding embryo banking cycles), as typically reported by the CDC, and fresh cycle live births with reference to total initiated fresh ART cycles (including embryo banking cycles). Results During 2013, out of 121,351 fresh non-donor ART cycles 27,564 (22.7%) involved embryo banking. The proportion of banking cycles increased with female age from 15.5% in women 44 years. Concomitantly, the proportion of thawed cycles decreased with advancing female age (P 44. The inflation of live birth rates in thawed cycles could not be calculated from the publically available CDC data but appears to be even greater. Conclusions Utilization of embryo banking increased during 2013 with advancing female age, suggesting a potential age selection bias. Exclusion of embryo banking cycles from national ART outcome reports significantly inflated national ART success rates, especially among older women. Précis Exclusion of embryo banking cycles from US National Assisted Reproductive Technology outcome reports significantly inflates reported success rates especially in older women. PMID:27159215

  9. Assistive Technology and Mathematics Education

    Science.gov (United States)

    Akpan, Joseph P.; Beard, Lawrence A.

    2014-01-01

    Educators and caregivers now have the opportunity to individualize and differentiate instructions with many technological devices never before available. Assistive Technology is being introduced in the classroom at all levels as a tool for teachers to help deliver instruction to all students. Assistive Technology is widely used to ensure…

  10. The Ethics of Assisted Suicide.

    Science.gov (United States)

    Callahan, Jay

    1994-01-01

    From social work perspective, considers ethics of assisted suicide. Discusses traditional social work value of client self-determination and identifies tensions in this ideal and conflicts with value of client well-being. Finds assisted suicide unethical, arguing that studies have shown judgment of most suicidal people to be impaired as result of…

  11. Bifurcation of limit cycles near equivariant compound cycles

    Institute of Scientific and Technical Information of China (English)

    2007-01-01

    In this paper we study some equivariant systems on the plane. We first give some criteria for the outer or inner stability of compound cycles of these systems. Then we investigate the number of limit cycles which appear near a compound cycle of a Hamiltonian equivariant system under equivariant perturbations. In the last part of the paper we present an application of our general theory to show that a Z3 equivariant system can have 13 limit cycles.

  12. Cycle-to-cycle variability as an optimal behavioral strategy

    OpenAIRE

    Brezina, Vladimir; Proekt, Alex; Weiss, Klaudiusz R.

    2006-01-01

    Aplysia feeding behavior is highly variable from cycle to cycle. In some cycles, when the variability causes a mismatch between the animal's movements and the requirements of the feeding task, the variability makes the behavior unsuccessful. We propose that the behavior is variable nevertheless because the variability serves a higher-order functional purpose. When the animal is faced with a new and only imperfectly known feeding task in each cycle, the variability implements a trial-and-error...

  13. How well can business cycle accounting account for business cycles?

    OpenAIRE

    Otsu, Keisuke

    2012-01-01

    The business cycle accounting method introduced by Chari, Kehoe and McGrattan (2007) is a useful tool to decompose business cycle fluctuations into their contributing factors. However, the model estimated by the maximum likelihood method cannot replicate business cycle moments computed from data. Moment-based estimation might be an attractive alternative if the purpose of the research is to study business cycle properties such as volatility, persistence and cross-correlation of variables inst...

  14. Radiation-assisted compatibilization of polymers

    International Nuclear Information System (INIS)

    The multiple functions required today in our machine parts and other applications demand this complex structure, consisting of different components, all contributing with their best features. This multicomponent approach is dominant in the polymer engineering field in systems such as - copolymers; - compounds, blends and alloys; - composites, and; - recycling of multicomponent materials. Radiation processing may help to overcome theoretical and technological difficulties, in the way of creating new multicomponent polymeric systems. In the present work, we focused on solving the major obstacle, the inherent thermodynamical incompatibility of partners in polymer blends, alloys, composites and recycled products. Radiation-assisted compatibilization may promote the common use of synthetic and natural polymers in multicomponent engineering polymers. This type of compatibilized material multicomponent may easily be processed by the plastics machinery of today. It certainly will gain importance when renewable natural products of the biomass should participate at an accelerated rate in saving the fossil (petroleum) resources. Radiation treatment applying reactive additives may broaden the field of radiation cross-linking of polymers, which are non-cross-linkable without reactive additives. Radiation-assisted compatibilization of multicomponent, recycled polymer systems may turn the recycling procedures of our day - which are rather directed toward down-cycling, - into an upgrading procedure: upcycling. Radiation-initiated bonds of the interface between reinforcement and matrix offer a superior quality in high-tech composite systems. (author)

  15. Environmentally assisted cracking in light water reactors

    International Nuclear Information System (INIS)

    This report summarizes work performed by Argonne National Laboratory on fatigue and environmentally assisted cracking (EAC) in light water reactors (LWRs) from April 1995 to December 1995. Topics that have been investigated include fatigue of carbon and low-alloy steel used in reactor piping and pressure vessels, EAC of Alloy 600 and 690, and irradiation-assisted stress corrosion cracking (IASCC) of Type 304 SS. Fatigue tests were conducted on ferritic steels in water that contained various concentrations of dissolved oxygen (DO) to determine whether a slow strain rate applied during different portions of a tensile-loading cycle are equally effective in decreasing fatigue life. Crack-growth-rate tests were conducted on compact-tension specimens from several heats of Alloys 600 and 690 in simulated LWR environments. Effects of fluoride-ion contamination on susceptibility to intergranular cracking of high- and commercial- purity Type 304 SS specimens from control-tensile tests at 288 degrees Centigrade. Microchemical changes in the specimens were studied by Auger electron spectroscopy and scanning electron microscopy to determine whether trace impurity elements may contribute to IASCC of these materials

  16. Ultrasound image attributes of human ovarian dominant follicles during natural and oral contraceptive cycles

    Directory of Open Access Journals (Sweden)

    Olatunbosun Olufemi A

    2005-04-01

    Full Text Available Abstract Background Computer-assisted analyses were used to examine ultrasound image attributes of human dominant ovarian follicles that developed during natural and oral contraceptive (OC cycles. We hypothesized that image attributes of natural cycle follicles would quantitatively differ from those in OC cycles and that OC cycle follicles would possess image attributes indicative of atresia. Methods Dominant ovarian follicles of 18 clinically normal women were compared using transvaginal ultrasonography for the 7 days before ovulation during a natural cycle (n = 9 or the 7 days before peak estradiol in women using OC (n = 11. Follicles were analyzed using region and line techniques designed to compare the image attributes numerical pixel value (NPV, pixel heterogeneity (PH and area under the curve (AUC. Results NPV was higher in OC cycle follicles with region analysis and tended to be higher with line analysis (p = 0.005 and p = 0.06, respectively. No differences were observed in two other image attributes (AUC and PH, measured with either technique, between natural and OC cycle follicles. Conclusion The increased NPV value of OC cycle follicles and lack of differences in PH and AUC values between natural cycle and OC cycle follicles did not support the hypothesis that OC cycle follicles would show ultrasonographically detectable signs of atresia. Image attributes observed in OC cycle follicles were not clearly indicative of atresia nor were they large enough to preclude preovulatory physiologic status in OC cycle follicles.

  17. Assisted Distillation of Quantum Coherence

    Science.gov (United States)

    Chitambar, E.; Streltsov, A.; Rana, S.; Bera, M. N.; Adesso, G.; Lewenstein, M.

    2016-02-01

    We introduce and study the task of assisted coherence distillation. This task arises naturally in bipartite systems where both parties work together to generate the maximal possible coherence on one of the subsystems. Only incoherent operations are allowed on the target system, while general local quantum operations are permitted on the other; this is an operational paradigm that we call local quantum-incoherent operations and classical communication. We show that the asymptotic rate of assisted coherence distillation for pure states is equal to the coherence of assistance, an analog of the entanglement of assistance, whose properties we characterize. Our findings imply a novel interpretation of the von Neumann entropy: it quantifies the maximum amount of extra quantum coherence a system can gain when receiving assistance from a collaborative party. Our results are generalized to coherence localization in a multipartite setting and possible applications are discussed.

  18. Assisted Distillation of Quantum Coherence.

    Science.gov (United States)

    Chitambar, E; Streltsov, A; Rana, S; Bera, M N; Adesso, G; Lewenstein, M

    2016-02-19

    We introduce and study the task of assisted coherence distillation. This task arises naturally in bipartite systems where both parties work together to generate the maximal possible coherence on one of the subsystems. Only incoherent operations are allowed on the target system, while general local quantum operations are permitted on the other; this is an operational paradigm that we call local quantum-incoherent operations and classical communication. We show that the asymptotic rate of assisted coherence distillation for pure states is equal to the coherence of assistance, an analog of the entanglement of assistance, whose properties we characterize. Our findings imply a novel interpretation of the von Neumann entropy: it quantifies the maximum amount of extra quantum coherence a system can gain when receiving assistance from a collaborative party. Our results are generalized to coherence localization in a multipartite setting and possible applications are discussed. PMID:26943512

  19. Evaluation of HEXORR Tone Assistance Mode Against Spring Assistance.

    Science.gov (United States)

    Godfrey, Sasha Blue; Holley, Rahsaan J; Lum, Peter S

    2015-07-01

    Robots are a promising tool for rehabilitation, and research suggests combining assistance with subject participation to maintain motivation and engagement. In this study, we compare two different types of robotic assistance for hand rehabilitation: Tone, a novel method designed to directly compensate for the user's hypertonia, and Spring, a commonly used method simulating a spring-like force attracting the subject to the target position. Eight chronic stroke subjects played a Gate Game, where they guide a ball through a sweeping, on-screen gate. Each subject was exposed to 5 modes: unassisted, assisted by the Spring and Tone modes, and "delay" modes where the assistance was provided after a period without assistance. Compared to unassisted trials, subjects produced less positive work and more negative work with all types of assistance but also reached a larger ROM and scored higher on the game. Notably, subjects produced more positive work overall with Tone compared to Spring. Further, subjects produced positive work over a significantly shorter range with Spring compared to Unassisted, while there was no difference between Tone and Unassisted. While both modes were effective at enabling the training of a larger workspace, these results suggest Tone assistance maintains a greater level of subject engagement and participation, likely making it a useful tool for hand rehabilitation. PMID:25667355

  20. Menstrual cycle pattern and fertility

    DEFF Research Database (Denmark)

    Kolstad, Henrik A.; Bonde, Jens Peter; Hjøllund, Niels Henrik;

    1999-01-01

    OBJECTIVE: To characterize how the menstrual cycle pattern relates to fertility regardless of potential biases caused by inappropriate coital timing during the menstrual cycle or early embryonal loss. DESIGN: Prospective follow-up study. SETTING: Healthy couples recruited throughout Denmark...

  1. Fictitious Supercontinent Cycles

    Science.gov (United States)

    Marvin Herndon, J.

    2014-05-01

    "Supercontinent cycles" or "Wilson cycles" is the idea that before Pangaea there were a series of supercontinents that each formed and then broke apart and separated before colliding again, re-aggregating, and suturing into a new supercontinent in a continuing sequence. I suggest that "supercontinent cycles" are artificial constructs, like planetary orbit epicycles, attempts to describe geological phenomena within the framework of problematic paradigms, namely, planetesimal Earth formation and plate tectonics' mantle convection. The so-called 'standard model of solar system formation' is problematic as it would lead to insufficiently massive planetary cores and necessitates additional ad hoc hypotheses such as the 'frost line' between Mars and Jupiter to explain planetary differences and whole-planet melting to explain core formation from essentially undifferentiated matter. The assumption of mantle convection is crucial for plate tectonics, not only for seafloor spreading, but also for continental movement; continent masses are assumed to ride atop convection cells. In plate tectonics, plate collisions are thought to be the sole mechanism for fold-mountain formation. Indeed, the occurrence of mountain chains characterized by folding which significantly predate the breakup of Pangaea is the primary basis for assuming the existence of supercontinent cycles with their respective periods of ancient mountain-forming plate collisions. Mantle convection is physically impossible. Rayleigh Number justification has been misapplied. The mantle bottom is too dense to float to the surface by thermal expansion. Sometimes attempts are made to obviate the 'bottom heavy' prohibition by adopting the tacit assumption that the mantle behaves as an ideal gas with no viscous losses, i.e., 'adiabatic'. But the mantle is a solid that does not behave as an ideal gas as evidenced by earthquakes occurring at depths as great as 660 km. Absent mantle convection, plate tectonics is not valid

  2. The world tourism exports cycle

    OpenAIRE

    Gouveia, Pedro; Guerreiro, Raul Filipe; Paulo M.M. Rodrigues

    2013-01-01

    Considering that tourism is an important industry on a global scale, this study analyses and compares the deviations cycles from the long-term trend of tourism exports for all regions of the world with the cycle of the European Union with 27 member states (EU27). In this context, the approach followed allows us to analyse and determine the synchronization between tourism exports cycles of various regions of interest. In parallel, lagged concordance indices of cycles are id...

  3. GEOSS Water Cycle Integrator

    Science.gov (United States)

    Koike, Toshio; Lawford, Richard; Cripe, Douglas

    2013-04-01

    It is critically important to recognize and co-manage the fundamental linkages across the water-dependent domains; land use, including deforestation; ecosystem services; and food-, energy- and health-securities. Sharing coordinated, comprehensive and sustained observations and information for sound decision-making is a first step; however, to take full advantage of these opportunities, we need to develop an effective collaboration mechanism for working together across different disciplines, sectors and agencies, and thereby gain a holistic view of the continuity between environmentally sustainable development, climate change adaptation and enhanced resilience. To promote effective multi-sectoral, interdisciplinary collaboration based on coordinated and integrated efforts, the intergovernmental Group on Earth Observations (GEO) is implementing the Global Earth Observation System of Systems (GEOSS). A component of GEOSS now under development is the "GEOSS Water Cycle Integrator (WCI)", which integrates Earth observations, modeling, data and information, management systems and education systems. GEOSS/WCI sets up "work benches" by which partners can share data, information and applications in an interoperable way, exchange knowledge and experiences, deepen mutual understanding and work together effectively to ultimately respond to issues of both mitigation and adaptation. (A work bench is a virtual geographical or phenomenological space where experts and managers collaborate to use information to address a problem within that space). GEOSS/WCI enhances the coordination of efforts to strengthen individual, institutional and infrastructure capacities, especially for effective interdisciplinary coordination and integration. GEO has established the GEOSS Asian Water Cycle Initiative (AWCI) and GEOSS African Water Cycle Coordination Initiative (AfWCCI). Through regional, inter-disciplinary, multi-sectoral integration and inter-agency coordination in Asia and Africa, GEOSS

  4. Liquid air cycle engines

    Science.gov (United States)

    Rosevear, Jerry

    1992-01-01

    Given here is a definition of Liquid Air Cycle Engines (LACE) and existing relevant technologies. Heat exchanger design and fabrication techniques, the handling of liquid hydrogen to achieve the greatest heat sink capabilities, and air decontamination to prevent heat exchanger fouling are discussed. It was concluded that technology needs to be extended in the areas of design and fabrication of heat exchangers to improve reliability along with weight and volume reductions. Catalysts need to be improved so that conversion can be achieved with lower quantities and lower volumes. Packaging studies need to be investigated both analytically and experimentally. Recycling with slush hydrogen needs further evaluation with experimental testing.

  5. The nuclear fuel cycle

    International Nuclear Information System (INIS)

    After a short introduction about nuclear power in the world, fission physics and the French nuclear power plants, this brochure describes in a digest way the different steps of the nuclear fuel cycle: uranium prospecting, mining activity, processing of uranium ores and production of uranium concentrates (yellow cake), uranium chemistry (conversion of the yellow cake into uranium hexafluoride), fabrication of nuclear fuels, use of fuels, reprocessing of spent fuels (uranium, plutonium and fission products), recycling of energetic materials, and storage of radioactive wastes. (J.S.)

  6. The software life cycle

    CERN Document Server

    Ince, Darrel

    1990-01-01

    The Software Life Cycle deals with the software lifecycle, that is, what exactly happens when software is developed. Topics covered include aspects of software engineering, structured techniques of software development, and software project management. The use of mathematics to design and develop computer systems is also discussed. This book is comprised of 20 chapters divided into four sections and begins with an overview of software engineering and software development, paying particular attention to the birth of software engineering and the introduction of formal methods of software develop

  7. Sometimes "Newton's Method" Always "Cycles"

    Science.gov (United States)

    Latulippe, Joe; Switkes, Jennifer

    2012-01-01

    Are there functions for which Newton's method cycles for all non-trivial initial guesses? We construct and solve a differential equation whose solution is a real-valued function that two-cycles under Newton iteration. Higher-order cycles of Newton's method iterates are explored in the complex plane using complex powers of "x." We find a class of…

  8. Changing global carbon cycle

    International Nuclear Information System (INIS)

    Full text: The increase in atmospheric carbon dioxide (C02) is the single largest human perturbation on the earth's radiative balance contributing to climate change. Its rate of change reflects the balance between anthropogenic carbon emissions and the dynamics of a number of terrestrial and ocean processes that remove or emit C02. It is the long term evolution of this balance that will determine to large extent the speed and magnitude of the human induced climate change and the mitigation requirements to stabilise atmospheric C02 concentrations at any given level. In this talk, we show new trends in global carbon sources and sinks, with particularly focus on major shifts occurring since 2000 when the growth rate of atmospheric C02 has reached its highest level on record. The acceleration in the C02 growth results from the combination of several changes in properties of the carbon cycle, including: acceleration of anthropogenic carbon emissions; increased carbon intensity of the global economy, and decreased efficiency of natural carbon sinks. We discuss in more detail some of the possible causes of the reduced efficiency of natural carbon sinks on land and oceans, such as the decreased net sink in the Southern Ocean and on terrestrial mid-latitudes due to world-wide occurrence of drought. All these changes reported here characterise a carbon cycle that is generating stronger than expected climate forcing, and sooner than expected

  9. Accommodation Assisting Glasses for Presbyopia

    Science.gov (United States)

    Fujita, Toyomi; Idesawa, Masanori

    2002-10-01

    We have considered the important functions for developing accommodation-assistance glasses which can assist eye focusing for aged person with presbyopia.We focused on keys to realize small and lightweight variable focusing lens and gaze distance detection. We devised new variable focusing lenses with control and gaze distance detection with a tunnel light path device. A prototype of glasses with devised elements was manufactured experimentally. From the result of trial use of them and experiments for evaluating characteristics,it was confirmed that proposed technologies were useful for realization of accommodation-assistance glasses.

  10. Development of mechanical brake assist; Mechanical brake assist no kaihatsu

    Energy Technology Data Exchange (ETDEWEB)

    Konishi, M.; Shingyoji, S.; Nakamura, I.; Tagawa, T.; Saito, Y.; Ishihara, T.; Kobayashi, S.; Yoshida, M. [Nissan Motor Co. Ltd., Tokyo (Japan)

    1997-10-01

    We have recognized that there are drivers who cannot apply strong brake pedal force , in spite of the necessity of hard braking in emergencies. We have developed a `mechanical brake assist system` which assists drivers appropriately, according to the drivers` characteristics based on studying the characteristic`s of conditions of drivers applying the brake pedal force in emergency conditions. 2 refs., 7 figs., 1 tab.

  11. Velenje - Mislinja cycle track regulation

    OpenAIRE

    Vidonja, Klemen

    2013-01-01

    In my graduation thesis, I am planning a cycle track from Velenje to Mislinja, where it will be connected to an existing bike track to Otiški vrh. The cycle track would be placed on a deserted railway route from Velenje to Dravograd. A short section of cycle track is already in use, but it has to be repared. I planned the rest of the cycle track and I regulated it in a turist – recreational manner, suitable for all types of riders. The cycle track is placed away from traffic, does not dema...

  12. Part 5. Fuel cycle options

    International Nuclear Information System (INIS)

    The results of the FBR fuel cycle study that supported US contributions to the INFCE are presented. Fuel cycle technology is reviewed from both generic and historical standpoints. Technology requirements are developed within the framework of three deployment scenarios: the reference international, the secured area, and the integral cycle. Reprocessing, fabrication, waste handling, transportation, and safeguards are discussed for each deployment scenario. Fuel cycle modifications designed to increase proliferation defenses are described and assessed for effectiveness and technology feasibility. The present status of fuel cycle technology is reviewed and key issues that require resolution are identified

  13. Logistics of the research reactor fuel cycle: AREVA solutions

    International Nuclear Information System (INIS)

    The AREVA Group Companies offer comprehensive solutions for the entire fuel cycle of Research Reactors comply with IAEA standards. CERCA and Cogema Logistics have developed a full partnership in the front end cycle. In the field of uranium CERCA and Cogema Logistics have the long term experience of the shipment from Russia, USA to the CERCA plant.. Since 1960, CERCA has manufactured over 300,000 fuel plates and 15,000 fuel elements of more than 70 designs. These fuel elements have been delivered to 40 research reactors in 20 countries. For the Back-End stage, Cogema and Cogema Logistics propose customised solutions and services for international shipments. Cogema Logistics has developed a new generation of packaging to meet the various needs and requirements of the Laboratories and Research Reactors all over the world, and complex regulatory framework. Comprehensive assistance dedicated, services, technical studies, packaging and transport systems are provided by AREVA for every step of research reactor fuel cycle. (author)

  14. The Cognitive Onboard Operator Assistant Architecture Project

    Data.gov (United States)

    National Aeronautics and Space Administration — We propose a cognitively inspired architecture for deploying an automated intelligent onboard operator assistant. This assistant facilitates the onboard control...

  15. Daily Public Assistance Grants Award Activity

    Data.gov (United States)

    Department of Homeland Security — Daily activity of Public Assistance Grant Awards, including FEMA Region, State, Disaster Declaration Number, Event description, Mission Assigned agency, Assistance...

  16. Robot-Assisted Gynecologic Surgery

    Science.gov (United States)

    ... guys tonight. We’re going to be talking robotic-assisted gynecologic surgery, and I can tell you, ... and it shows us how we start a robotic case really like standard laparoscopy, and there’s an ...

  17. Robot-Assisted Gynecologic Surgery

    Medline Plus

    Full Text Available Halifax Health Presents: Roboti-Assisted Gynecologic Surgery Halifax Health Florida September 27, 2011 Hello, and welcome to another live ... you by the fine folks here at Halifax Health. Broadcasting live from sunny Daytona Beach, Florida, and ...

  18. S-Chip Technical Assistance

    Data.gov (United States)

    U.S. Department of Health & Human Services — The page will provide access to reports and other published products designed to assist states with complicated S-Chip technical issues. The reports and products...

  19. Radiological Assistance Program (RAP) Regions

    Data.gov (United States)

    Department of Homeland Security — The U.S. Department of Energy (DOE) created the Radiological Assistance Program (RAP) in the 1950s to make DOE resources and expertise available to organizations...

  20. Robot-Assisted Gynecologic Surgery

    Medline Plus

    Full Text Available ... Broadcasting live from sunny Daytona Beach, Florida, and I am your host, Dr. Scott Klioze. We’ve ... to be talking robotic-assisted gynecologic surgery, and I can tell you, we have got a lot ...

  1. Robot-Assisted Gynecologic Surgery

    Medline Plus

    Full Text Available ... instrument for suction or retraction, assisting in some fashion. We have modified our cases over time where ... that suture, and we carry on in that fashion. Okay, Dr. Molpus, I want you to talk ...

  2. Fault Management Assistant (FMA) Project

    Data.gov (United States)

    National Aeronautics and Space Administration — S&K Aerospace (SKA) proposes to develop the Fault Management Assistant (FMA) to aid project managers and fault management engineers in developing better and...

  3. FEMA Housing Assistance Renters - API

    Data.gov (United States)

    Department of Homeland Security — This dataset lists aggregated, non-PII dataset of FEMA Housing Assistance Program for House Renters The data was generated by FEMA's ECIM (Enterprise Coordination...

  4. Multifamily Assistance Section 8 Contracts

    Data.gov (United States)

    Department of Housing and Urban Development — he information regarding the Multifamily Assistance and Section 8 contracts, and properties is being furnished for the convenience of interested parties. The...

  5. Robot-Assisted Gynecologic Surgery

    Medline Plus

    Full Text Available ... use a bedside assistant port. I like the autonomy that I have with the robot, I like ... like it before, so it was a fantastic learning experience for me. For those of you out ...

  6. FEMA Housing Assistance Owners - API

    Data.gov (United States)

    Department of Homeland Security — This dataset lists aggregated, non-PII dataset of FEMA Housing Assistance Program for House Owners The data was generated by FEMA's ECIM (Enterprise Coordination...

  7. Caracterização do uso do cicloergômetro para auxiliar no atendimento fisioterapêutico em pacientes críticos Characterization of the use of a cycle ergometer to assist in the physical therapy treatment of critically ill patients

    Directory of Open Access Journals (Sweden)

    Ruy Camargo Pires-Neto

    2013-03-01

    Full Text Available OBJETIVO: Analisar as alterações cardiorrespiratórias de pacientes durante o exercício ativo com um cicloergômetro e verificar a aceitação dos pacientes para realizar esse tipo de atividade. MÉTODOS: Foi realizada uma única intervenção de exercício ativo de membros inferiores no cicloergômetro (sem carga durante 5 minutos. As variáveis frequência cardíaca, pressão arterial, frequência respiratória, saturação periférica de oxigênio e escala de dispneia de Borg foram avaliadas em três momentos: antes, durante e imediatamente após o exercício. Ao final, o paciente respondia um questionário avaliando sua satisfação em relação a esse tipo de atividade. RESULTADOS: Participaram do estudo 38 pacientes (65% masculino com 48±16 anos e SOFA=2 (0-5. Durante o exercício, 55% estavam em ar ambiente e 16% utilizaram algum tipo de suporte ventilatório. Comparando-se os valores iniciais e finais das variáveis analisadas, verificou-se um aumento apenas nas variáveis frequência cardíaca (92±17 e 95±18; pOBJECTIVE: The objective of this study was to use a cycle ergometer to assess cardiorespiratory changes during active exercise and to verify patients' satisfaction with this type of activity. METHODS: A single intervention involving active lower limb exercise was performed with a cycle ergometer (without load for 5 minutes. The following variables were measured before, during and immediately after exercise: heart rate, blood pressure, respiratory rate, peripheral oxygen saturation and the Borg dyspnea scale score. Following the exercise, the patients answered a questionnaire to evaluate their satisfaction with this type of activity. RESULTS: A total of 38 patients (65% male with a mean age of 48 ± 16 years old participated in the study. Enrolled patients presented a sequential organ failure assessment (SOFA score of 2 (0 - 5 scale. During the exercise, 16% of the patients used ventilation support and 55% of them were

  8. Laboratory aspects of assisted reproduction.

    OpenAIRE

    Yeung, WS; Ng, EH

    2000-01-01

    A number of advances have been made concerning the laboratory aspects of assisted reproduction. Intracytoplasmic sperm injection has revolutionised the treatment of male infertility. With the development of better embryo culture media, blastocyst transfer is now possible and is likely to reduce high-order multiple pregnancy in assisted reproduction treatment. Pre-implantation genetic diagnosis has become an alternative to prenatal diagnosis. The recent use of molecular biology techniques to d...

  9. Heparin for assisted reproduction (Review)

    OpenAIRE

    Muhammad A. Akhtar; Sur, Shyamaly D.; Raine-Fenning, Nick; Jayaprakasan, Kannamannadiar; Thornton, Jim; Quenby, Siobhan

    2013-01-01

    Abstract BACKGROUND: Heparin as an adjunct in assisted reproduction (peri-implantation heparin) is given at or after egg collection or at embryo transfer during assisted reproduction. Heparin has been advocated to improve embryo implantation and clinical outcomes. It has been proposed that heparin enhances the intra-uterine environment by improving decidualisation with an associated activation of growth factors and a cytokine expression profile in the endometrium that is favourable to ...

  10. FOOD ASSISTANCE LANDSCAPE MARCH 2006

    OpenAIRE

    Anonymous

    2006-01-01

    One in five Americans participates in at least one of USDA's food and nutrition assistance programs during the year. In fiscal 2005, an estimated 55 percent of USDA's budget supported the programs that provide children and low-income people with access to food, a healthful diet, and nutrition education. The Economic Research Service (ERS) is responsible for conducting studies and evaluations of USDA's food assistance programs. This report uses preliminary data from USDA's Food and Nutrition S...

  11. Open cycle thermoacoustics

    Energy Technology Data Exchange (ETDEWEB)

    Reid, Robert Stowers

    2000-01-01

    A new type of thermodynamic device combining a thermodynamic cycle with the externally applied steady flow of an open thermodynamic process is discussed and experimentally demonstrated. The gas flowing through this device can be heated or cooled in a series of semi-open cyclic steps. The combination of open and cyclic flows makes possible the elimination of some or all of the heat exchangers (with their associated irreversibility). Heat is directly exchanged with the process fluid as it flows through the device when operating as a refrigerator, producing a staging effect that tends to increase First Law thermodynamic efficiency. An open-flow thermoacoustic refrigerator was built to demonstrate this concept. Several approaches are presented that describe the physical characteristics of this device. Tests have been conducted on this refrigerator with good agreement with a proposed theory.

  12. Nutrient Cycling Study

    Energy Technology Data Exchange (ETDEWEB)

    Peter A. Pryfogle

    2005-09-01

    The particular goal of this study is to develop measurement techniques for understanding how consortia of organisms from geothermal facilities utilize sulfur and iron for metabolic activity; and in turn, what role that activity plays in initiating or promoting the development of a biofilm on plant substrates. Sulfur cycling is of interest because sulfur is produced in the resource. Iron is found in some of the steel formulations used in plant components and is also added as chemical treatment for reducing sulfide emissions from the plants. This report describes the set-up and operation of a bioreactor for evaluating the response of colonies of geothermal organisms to changes in nutrient and environmental conditions. Data from initial experiments are presented and plans for future testing is discussed.

  13. CANDU advanced fuel cycles

    International Nuclear Information System (INIS)

    This report is based on informal lectures and presentations made on CANDU Advanced Fuel Cycles over the past year or so, and discusses the future role of CANDU in the changing environment for the Canadian and international nuclear power industry. The changing perspectives of the past decade lead to the conclusion that a significant future market for a CANDU advanced thermal reactor will exist for many decades. Such a reactor could operate in a stand-alone strategy or integrate with a mixed CANDU-LWR or CANDU-FBR strategy. The consistent design focus of CANDU on enhanced efficiency of resource utilization combined with a simple technology to achieve economic targets, will provide sufficient flexibility to maintain CANDU as a viable power producer for both the medium- and long-term future

  14. HTGR fuel cycle

    International Nuclear Information System (INIS)

    In the spring of 1987, the HTGR fuel cycle project has been existing for ten years, and for this reason a status seminar has been held on May 12, 1987 in the Juelich Nuclear Research Center, that gathered the participants in this project for a discussion on the state of the art in HTGR fuel element development, graphite development, and waste management. The papers present an overview of work performed so far and an outlook on future tasks and goals, and on taking stock one can say that the project has been very successful so far: The HTGR fuel element now available meets highest requirements and forms the basis of today's HTGR safety philosophy; research work on graphite behaviour in a high-temperature reactor has led to complete knowledge of the temperature or neutron-induced effects, and with the concept of direct ultimate waste disposal, the waste management problem has found a feasible solution. (orig./GL)

  15. Coupled quantum Otto cycle.

    Science.gov (United States)

    Thomas, George; Johal, Ramandeep S

    2011-03-01

    We study the one-dimensional isotropic Heisenberg model of two spin-1/2 systems as a quantum heat engine. The engine undergoes a four-step Otto cycle where the two adiabatic branches involve changing the external magnetic field at a fixed value of the coupling constant. We find conditions for the engine efficiency to be higher than in the uncoupled model; in particular, we find an upper bound which is tighter than the Carnot bound. A domain of parameter values is pointed out which was not feasible in the interaction-free model. Locally, each spin seems to cause a flow of heat in a direction opposite to the global temperature gradient. This feature is explained by an analysis of the local effective temperature of the spins. PMID:21517482

  16. The nuclear power cycle

    International Nuclear Information System (INIS)

    Fifty years after the first nuclear reactor come on-line, nuclear power is fourth among the world's primary energy sources, after oil, coal and gas. In 2002, there were 441 reactors in operation worldwide. The United States led the world with 104 reactors and an installed capacity of 100,000 MWe, or more than one fourth of global capacity. Electricity from nuclear energy represents 78% of the production in France, 57% in Belgium, 46% in Sweden, 40% in Switzerland, 39% in South Korea, 34% in Japan, 30% in Germany, 30% in Finland, 26% in Spain, 22% in Great Britain, 20% in the United States and 16% in Russia. Worldwide, 32 reactors are under construction, including 21 in Asia. This information document presents the Areva activities in the nuclear power cycle: the nuclear fuel, the nuclear reactors, the spent fuel reprocessing and recycling and nuclear cleanup and dismantling. (A.L.B.)

  17. The uranium cycle

    International Nuclear Information System (INIS)

    In identifying uranium provinces, and, more importantly, mineralized zones within these provinces, it is of paramount importance to attempt to trace the geochemical behaviour of an element through all stages of Earth's evolution. Aspects that need to be addressed in this regard include solar abundance levels and fractionation processes during accretion, changing patterns of crustal evolution, effects of an evolving atmosphere, and the weathering cycle. Abundance patterns and partition coefficients of some of the siderophile elements in mantle rocks lend support to a multistage accretionary process. Lack of a terrestrial record in the first 500 Ma necessitates that lunar models be invoked, which suggests that early fractionation of a mafic/ultramafic magma resulted in an anorthositic crust. Fractionation of the mantle and transfer of materials to the upper levels must be central to any model invoked for development of the crust. Given high heat flow conditions in the early Archaean it would seem inescapable that the process of sea floor spreading and plate tectonics was an ongoing process. If the plate tectonic model is taken back to 3500 Ma, and assuming current speading rates, then about half of the mantle has passed through the irreversible differentiation cycle. Arguments in support of recycled material must be balanced against mantle metasomatism effects. With the associated advent of partial melting of the mantle material a partitioning of minor and trace elements into the melt fraction would take place. The early primitive mafic and ultramafic komatiites exemplify this feature by concentrating U and Th by a factor of 5 compared to chondritic abundances. It is of tantamount importance to understand the generation of the magmas in order to predict which are the 'fertile' bodies in terms of radioelement concentrations. In that the granitoid magmas image their source compositions, the association of high radioelements will primarily be source-dependent. Uranium

  18. The Hamburg oceanic carbon cycle circulation model. Cycle 1

    International Nuclear Information System (INIS)

    The carbon cycle model calculates the prognostic fields of oceanic geochemical carbon cycle tracers making use of a 'frozen' velocity field provided by a run of the LSG oceanic circulation model (see the corresponding manual, LSG=Large Scale Geostrophic). The carbon cycle model includes a crude approximation of interactions between sediment and bottom layer water. A simple (meridionally diffusive) one layer atmosphere model allows to calculate the CO2 airborne fraction resulting from the oceanic biogeochemical interactions. (orig.)

  19. Money and Business Cycles: A Real Business Cycle Interpretation

    OpenAIRE

    Charles I. Plosser

    1990-01-01

    This paper focuses on the role of money in economic fluctuations. While money may play an important role in market economies, its role as an important impulse to business cycles remains a highly controversial hypothesis. For years economists have attempted to construct monetary theories of the business cycle with only limited empirical success. Alternatively, recent real theories of the cycle have taken the view that to a first approximation independent variations in the nominal quantity of o...

  20. The role of Life Cycle Assessment in identifying and reducing environmental impacts of CCS

    OpenAIRE

    Sathre, Roger

    2011-01-01

    Life Cycle Assessment (LCA) should be used to assist carbon capture and sequestration (CCS) planners to reduce greenhouse gas (GHG) emissions and avoid unintended environmental trade-offs. LCA is an analytical framework for determining environmental impacts resulting from processes, products, and services. All life cycle stages are evaluated including raw material sourcing, processing, operation, maintenance, and component end-of-life, as well as intermediate stages such as transportation. I...

  1. Pregnancy Predictors after Intrauterine Insemination: Analysis of 3012 Cycles in 1201 Couples

    OpenAIRE

    Soria, Macizo; Pradillo, Gálvez; García, Jorquera; Ramón, Peinado; Castillo, Alvarez; Jordana, Canteras; Paricio, Parrilla

    2012-01-01

    Background Intrauterine insemination (IUI) is the first therapeutic step in assisted reproductive techniques and many factors, including male and female infertility and technique-dependent factors, have been reported to influence pregnancy rates after IUI. Methods We carried out this retrospective study on 1201 couples undergoing 3012 intrauterine insemination cycles during 2002 to 2009. Pregnancy rate per cycle in terms of female infertility factors, male infertility factors, and technique-d...

  2. Hotel Management Personnel Training Based on the "Modern Apprenticeship"mode in Higher Vocational College%基于"现代学徒制"的高职酒店管理专业人才培养

    Institute of Scientific and Technical Information of China (English)

    罗晓黎

    2015-01-01

    It's urgent needs for higher occupation education in China to improve the quality of technical personnel. Modern apprenticeship mode can solve the bottleneck encountered in the talent training of hotel management major in higher vocational college. Through three years' interactive training, higher vocational colleges can realize the "zero distance" job-taking and improve the comprehensive quality of the students, which provide the possibility for students to take management positions in short time.%我国高等职业教育迫切需要提高技术技能人才质量,现代学徒制可以解决高职酒店管理专业人才培养遇到的瓶颈.通过校企三年交互式培养,实现学生"零距离"上岗以及综合素质的提高,为学生尽快走上管理岗位提供了可能.

  3. Removing Cycles in Esterel Programs

    Directory of Open Access Journals (Sweden)

    Reinhard von Hanxleden

    2007-05-01

    Full Text Available Esterel belongs to the family of synchronous programming languages, which are affected by cyclic signal dependencies. This prohibits a static scheduling, limiting the choice of available compilation techniques for programs with such cycles. This work proposes an algorithm that, given a constructive synchronous Esterel program, performs a semantics-preserving source code level transformation that removes cyclic signal dependencies. The transformation is divided into two parts: detection of cycles and iterative resolution of these cycles. It is based on the replacement of cycle signals by a signal expression involving no other cycle signals, thereby breaking the cycle. This transformation of cyclic Esterel programs enables the use of efficient compilation techniques, which are only available for acyclic programs. Furthermore, experiments indicate that the code transformation can even improve code quality produced by compilers that can already handle cyclic programs.

  4. Reproductive cycles of buffalo.

    Science.gov (United States)

    Perera, B M A O

    2011-04-01

    The domestic water buffalo (Bubalus bubalis) has an important role in the agricultural economy of many developing countries in Asia, providing milk, meat and draught power. It is also used in some Mediterranean and Latin American countries as a source of milk and meat for specialized markets. Although the buffalo can adapt to harsh environments and live on poor quality forage, reproductive efficiency is often compromised by such conditions, resulting in late sexual maturity, long postpartum anoestrus, poor expression of oestrus, poor conception rates and long calving intervals. The age at puberty is influenced by genotype, nutrition, management and climate, and under favourable conditions occurs at 15-18 months in river buffalo and 21-24 months in swamp buffalo. The ovaries are smaller than in cattle and contain fewer primordial follicles. Buffalo are capable of breeding throughout the year, but in many countries a seasonal pattern of ovarian activity occurs. This is attributed in tropical regions to changes in rainfall resulting in feed availability or to temperature stress resulting in elevated prolactin secretion, and in temperate regions to changes in photoperiod and melatonin secretion. The mean length of the oestrous cycle is 21 days, with greater variation than observed in cattle. The signs of oestrus in buffalo are less overt than in cattle and homosexual behaviour between females is rare. The duration of oestrus is 5-27 h, with ovulation occurring 24-48 h (mean 34 h) after the onset of oestrus. The hormonal changes occurring in peripheral circulation are similar to those observed in cattle, but the peak concentrations of progesterone and oestradiol-17β are less. The number of follicular waves during an oestrous cycle varies from one to three and influences the length of the luteal phase as well as the inter-ovulatory interval. Under optimal conditions, dairy types managed with limited or no suckling resume oestrus cyclicity by 30-60 days after calving

  5. Life cycle of mobile devices

    OpenAIRE

    T.V. Rohal; S.I. Naumenko; G.О Peresadko

    2011-01-01

    Article is devoted features of life cycle of mobile devices. The article highlighted a number of disadvantages associated with managing the life cycle of the product. Disadvantages include the orientation is not on the quality of mobile devices and their design, the obsolescence of digital products. The article drew attention to the need for process improvement life cycle management of mobile devices. For since this type of product is now the most popular among the population, consumers are i...

  6. Entrepreneurship and the business cycle

    OpenAIRE

    Thurik, Roy

    2014-01-01

    Entrepreneurship has a cyclical component, raising two questions. Is the entrepreneurship cycle related to the business cycle? And is there causality? A two-way relationship between entrepreneurship and the business cycle would be in line with the two faces of entrepreneurs: as agents of change creating upswings (opportunity entrepreneurship) and as rational actors escaping unemployment by setting up a business (necessity entrepreneurship). Nascent entrepreneurship can indeed be precyclical, ...

  7. 34 CFR 300.105 - Assistive technology.

    Science.gov (United States)

    2010-07-01

    ... 34 Education 2 2010-07-01 2010-07-01 false Assistive technology. 300.105 Section 300.105 Education... DISABILITIES State Eligibility Other Fape Requirements § 300.105 Assistive technology. (a) Each public agency must ensure that assistive technology devices or assistive technology services, or both, as those...

  8. 40 CFR 5.430 - Financial assistance.

    Science.gov (United States)

    2010-07-01

    ... or assist in the administration of scholarships, fellowships, or other forms of financial assistance... 40 Protection of Environment 1 2010-07-01 2010-07-01 false Financial assistance. 5.430 Section 5... OF SEX IN EDUCATION PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE Discrimination...

  9. 6 CFR 17.430 - Financial assistance.

    Science.gov (United States)

    2010-01-01

    ... or assist in the administration of scholarships, fellowships, or other forms of financial assistance... 6 Domestic Security 1 2010-01-01 2010-01-01 false Financial assistance. 17.430 Section 17.430... OF SEX IN EDUCATION PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE Discrimination...

  10. 22 CFR 146.430 - Financial assistance.

    Science.gov (United States)

    2010-04-01

    ... assist in the administration of scholarships, fellowships, or other forms of financial assistance... 22 Foreign Relations 1 2010-04-01 2010-04-01 false Financial assistance. 146.430 Section 146.430... PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE Discrimination on the Basis of Sex...

  11. 43 CFR 41.430 - Financial assistance.

    Science.gov (United States)

    2010-10-01

    ... assist in the administration of scholarships, fellowships, or other forms of financial assistance... 43 Public Lands: Interior 1 2010-10-01 2010-10-01 false Financial assistance. 41.430 Section 41... SEX IN EDUCATION PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE Discrimination on...

  12. 15 CFR 8a.430 - Financial assistance.

    Science.gov (United States)

    2010-01-01

    ... or assist in the administration of scholarships, fellowships, or other forms of financial assistance... 15 Commerce and Foreign Trade 1 2010-01-01 2010-01-01 false Financial assistance. 8a.430 Section... OF SEX IN EDUCATION PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE Discrimination...

  13. 22 CFR 229.430 - Financial assistance.

    Science.gov (United States)

    2010-04-01

    ... assist in the administration of scholarships, fellowships, or other forms of financial assistance... 22 Foreign Relations 1 2010-04-01 2010-04-01 false Financial assistance. 229.430 Section 229.430... PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE Discrimination on the Basis of Sex...

  14. 31 CFR 28.430 - Financial assistance.

    Science.gov (United States)

    2010-07-01

    ... or assist in the administration of scholarships, fellowships, or other forms of financial assistance... 31 Money and Finance: Treasury 1 2010-07-01 2010-07-01 false Financial assistance. 28.430 Section... BASIS OF SEX IN EDUCATION PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE...

  15. 49 CFR 25.430 - Financial assistance.

    Science.gov (United States)

    2010-10-01

    ... assist in the administration of scholarships, fellowships, or other forms of financial assistance... 49 Transportation 1 2010-10-01 2010-10-01 false Financial assistance. 25.430 Section 25.430... PROGRAMS OR ACTIVITIES RECEIVING FEDERAL FINANCIAL ASSISTANCE Discrimination on the Basis of Sex...

  16. 44 CFR 206.161 - Relocation assistance.

    Science.gov (United States)

    2010-10-01

    ..., DEPARTMENT OF HOMELAND SECURITY DISASTER ASSISTANCE FEDERAL DISASTER ASSISTANCE Other Individual Assistance... eligible for any kind of replacement housing payment under the Uniform Relocation Assistance and Real... his being unable, because of a major disaster as determined by the President, to meet the...

  17. 44 CFR 300.3 - Financial assistance.

    Science.gov (United States)

    2010-10-01

    ... 44 Emergency Management and Assistance 1 2010-10-01 2010-10-01 false Financial assistance. 300.3... HOMELAND SECURITY PREPAREDNESS DISASTER PREPAREDNESS ASSISTANCE § 300.3 Financial assistance. (a) The... responsibilities for IFG, crisis counseling, mass care or other functional responsibilities; (7) Training for...

  18. Rethinking the Ancient Sulfur Cycle

    Science.gov (United States)

    Fike, David A.; Bradley, Alexander S.; Rose, Catherine V.

    2015-05-01

    The sulfur biogeochemical cycle integrates the metabolic activity of multiple microbial pathways (e.g., sulfate reduction, disproportionation, and sulfide oxidation) along with abiotic reactions and geological processes that cycle sulfur through various reservoirs. The sulfur cycle impacts the global carbon cycle and climate primarily through the remineralization of organic carbon. Over geological timescales, cycling of sulfur is closely tied to the redox state of Earth's exosphere through the burial of oxidized (sulfate) and reduced (sulfide) sulfur species in marine sediments. Biological sulfur cycling is associated with isotopic fractionations that can be used to trace the fluxes through various metabolic pathways. The resulting isotopic data provide insights into sulfur cycling in both modern and ancient environments via isotopic signatures in sedimentary sulfate and sulfide phases. Here, we review the deep-time δ34S record of marine sulfates and sulfides in light of recent advances in understanding how isotopic signatures are generated by microbial activity, how these signatures are encoded in marine sediments, and how they may be altered following deposition. The resulting picture shows a sulfur cycle intimately coupled to ambient carbon cycling, where sulfur isotopic records preserved in sedimentary rocks are critically dependent on sedimentological and geochemical conditions (e.g., iron availability) during deposition.

  19. Regenerative superheated steam turbine cycles

    Science.gov (United States)

    Fuller, L. C.; Stovall, T. K.

    1980-01-01

    PRESTO computer program was developed to analyze performance of wide range of steam turbine cycles with special attention given to regenerative superheated steam turbine cycles. It can be used to model standard turbine cycles, including such features as process steam extraction, induction and feedwater heating by external sources, peaking, and high back pressure. Expansion line efficiencies, exhaust loss, leakages, mechanical losses, and generator losses are used to calculate cycle heat rate and generator output. Program provides power engineer with flexible aid for design and analysis of steam turbine systems.

  20. Fast reactor fuel cycle facility

    International Nuclear Information System (INIS)

    An integrated fuel cycle facility named Fast Reactor Fuel Cycle Facility (FRFCF) is planned to be set up at Kalpakkam to close the fuel cycle of the Prototype Fast Breeder Reactor (PFBR) that is already under construction there. FRFCF is the first project of its kind in India. Closure of fuel cycle of PFBR will be a significant milestone of the second stage of nuclear power programme of the Department of Atomic Energy. The facility would be ready for operation in 2014. Design work and safety review of FRFCF are presently in progress. (author)

  1. The earth's hydrological cycle

    CERN Document Server

    Bonnet, R-M; Calisto, M; Destouni, G; Gurney, R; Johannessen, J; Kerr, Y; Lahoz, WA; Rast, M

    2014-01-01

    This book gives a comprehensive presentation of our present understanding of the Earth's Hydrological cycle and the problems, consequences and impacts that go with this topic. Water is a central component in the Earth's system. It is indispensable for life on Earth in its present form and influences virtually every aspect of our planet's life support system. On relatively short time scales, atmospheric water vapor interacts with the atmospheric circulation and is crucial in forming the Earth's climate zones. Water vapor is the most powerful of the greenhouse gases and serves to enhance the tropospheric temperature. The dominant part of available water on Earth resides in the oceans. Parts are locked up in the land ice on Greenland and Antarctica and a smaller part is estimated to exist as groundwater. If all the ice over the land and all the glaciers were to melt, the sea level would rise by some 80 m. In comparison, the total amount of water vapor in the atmosphere is small; it amounts to ~ 25 kg/m2, or the ...

  2. Biomass Gasification Combined Cycle

    Energy Technology Data Exchange (ETDEWEB)

    Judith A. Kieffer

    2000-07-01

    Gasification combined cycle continues to represent an important defining technology area for the forest products industry. The ''Forest Products Gasification Initiative'', organized under the Industry's Agenda 2020 technology vision and supported by the DOE ''Industries of the Future'' program, is well positioned to guide these technologies to commercial success within a five-to ten-year timeframe given supportive federal budgets and public policy. Commercial success will result in significant environmental and renewable energy goals that are shared by the Industry and the Nation. The Battelle/FERCO LIVG technology, which is the technology of choice for the application reported here, remains of high interest due to characteristics that make it well suited for integration with the infrastructure of a pulp production facility. The capital cost, operating economics and long-term demonstration of this technology area key input to future economically sustainable projects and must be verified by the 200 BDT/day demonstration facility currently operating in Burlington, Vermont. The New Bern application that was the initial objective of this project is not currently economically viable and will not be implemented at this time due to several changes at and around the mill which have occurred since the inception of the project in 1995. The analysis shows that for this technology, and likely other gasification technologies as well, the first few installations will require unique circumstances, or supportive public policies, or both to attract host sites and investors.

  3. The closed fuel cycle

    International Nuclear Information System (INIS)

    Available in abstract form only. Full text of publication follows: The fast growth of the world's economy coupled with the need for optimizing use of natural resources, for energy security and for climate change mitigation make energy supply one of the 21. century most daring challenges. The high reliability and efficiency of nuclear energy, its competitiveness in an energy market undergoing a new oil shock are as many factors in favor of the 'renaissance' of this greenhouse gas free energy. Over 160,000 tHM of LWR1 and AGR2 Used Nuclear Fuel (UNF) have already been unloaded from the reactor cores corresponding to 7,000 tons discharged per year worldwide. By 2030, this amount could exceed 400,000 tHM and annual unloading 14,000 tHM/year. AREVA believes that closing the nuclear fuel cycle through the treatment and recycling of Used Nuclear Fuel sustains the worldwide nuclear power expansion. It is an economically sound and environmentally responsible choice, based on the preservation of natural resources through the recycling of used fuel. It furthermore provides a safe and secure management of wastes while significantly minimizing the burden left to future generations. (authors)

  4. The nitrogen cycle.

    Science.gov (United States)

    Stein, Lisa Y; Klotz, Martin G

    2016-02-01

    Nitrogen is the fourth most abundant element in cellular biomass, and it comprises the majority of Earth's atmosphere. The interchange between inert dinitrogen gas (N2) in the extant atmosphere and 'reactive nitrogen' (those nitrogen compounds that support, or are products of, cellular metabolism and growth) is entirely controlled by microbial activities. This was not the case, however, in the primordial atmosphere, when abiotic reactions likely played a significant role in the inter-transformation of nitrogen oxides. Although such abiotic reactions are still important, the extant nitrogen cycle is driven by reductive fixation of dinitrogen and an enzyme inventory that facilitates dinitrogen-producing reactions. Prior to the advent of the Haber-Bosch process (the industrial fixation of N2 into ammonia, NH3) in 1909, nearly all of the reactive nitrogen in the biosphere was generated and recycled by microorganisms. Although the Haber-Bosch process more than quadrupled the productivity of agricultural crops, chemical fertilizers and other anthropogenic sources of fixed nitrogen now far exceed natural contributions, leading to unprecedented environmental degradation. PMID:26859274

  5. AssistMe robot, an assistance robotic platform

    Directory of Open Access Journals (Sweden)

    A. I. Alexan

    2012-06-01

    Full Text Available This paper presents the design and implementation of a full size assistance robot. Its main purpose it to assist a person and eventually avoid a life threatening situation. Its implementation revolves around a chipKIT Arduino board that interconnects a robotic base controller with a 7 inch TABLET PC and various sensors. Due to the Android and Arduino combination, the robot can interact with the person and provide an easy development platform for future improvement and feature adding. The TABLET PC is Webcam, WIFI and Bluetooth enabled, offering a versatile platform that is able to process data and in the same time provide the user a friendly interface.

  6. Economic viability of photovoltaic power for development assistance applications

    Science.gov (United States)

    Bifano, W. J.

    1982-01-01

    This paper briefly discusses the development assistance market and examines a number of specific photovoltaic (PV) development assistance field tests, including water pumping/grain grinding (Tangaye, Upper Volta), vaccine refrigerators slated for deployment in 24 countries, rural medical centers to be installed in Ecuador, Guyana, Kenya and Zimbabwe, and remote earth stations to be deployed in the near future. A comparison of levelized energy cost for diesel generators and PV systems covering a range of annual energy consumptions is also included. The analysis does not consider potential societal, environmental or political benefits associated with PV power. PV systems are shown to be competitive with diesel generators, based on life cycle cost considerations, assuming a system price of $20/W(peak), for applications having an annual energy demand of up to 6000 kilowatt-hours per year.

  7. Intelligent Power Assist Algorithms for Electric Bicycles

    OpenAIRE

    Fan, Xuan

    2010-01-01

    This dissertation considers intelligent power-assist algorithm designs for electric bicycles. Traditional electric power-assist bicycles (EPBs) employ proportional power-assist strategy. The ratio is usually set to 1:1, which means that the motor will provide the same amount of assistive torque as the amount of the human's pedaling torque. This strategy is too rigid and does not consider the interaction between the bicycle, the human and the environment. Intelligent power-assist algorithms ar...

  8. 45 CFR 233.53 - Support and maintenance assistance (including home energy assistance) in AFDC.

    Science.gov (United States)

    2010-10-01

    ... 45 Public Welfare 2 2010-10-01 2010-10-01 false Support and maintenance assistance (including home... § 233.53 Support and maintenance assistance (including home energy assistance) in AFDC. (a) General. At State option, certain support and maintenance assistance (including home energy assistance) may...

  9. Activity Cycle of Solar Filaments

    Indian Academy of Sciences (India)

    K. J. Li; Q. X. Li; P. X. Gao; J. Mu; H. D. Chen; T. W. Su

    2007-06-01

    Long-term variation in the distribution of the solar filaments observed at the Observatorie de Paris, Section de Meudon from March 1919 to December 1989 is presented to compare with sunspot cycle and to study the periodicity in the filament activity, namely the periods of the coronal activity with the Morlet wavelet used. It is inferred that the activity cycle of solar filaments should have the same cycle length as sunspot cycle, but the cycle behavior of solar filaments is globally similar in profile with, but different in detail from, that of sunspot cycles. The amplitude of solar magnetic activity should not keep in phase with the complexity of solar magnetic activity. The possible periods in the filament activity are about 10.44 and 19.20 years. The wavelet local power spectrum of the period 10.44 years is statistically significant during the whole consideration time. The wavelet local power spectrum of the period 19.20 years is under the 95% confidence spectrum during the whole consideration time, but over the mean red-noise spectrum of = 0.72 before approximate Carrington rotation number 1500, and after that the filament activity does not statistically show the period. Wavelet reconstruction indicates that the early data of the filament archive (in and before cycle 16) are more noiseful than the later (in and after cycle 17).

  10. Nuclear fuel cycle information workshop

    International Nuclear Information System (INIS)

    This overview of the nuclear fuel cycle is divided into three parts. First, is a brief discussion of the basic principles of how nuclear reactors work; second, is a look at the major types of nuclear reactors being used and world-wide nuclear capacity; and third, is an overview of the nuclear fuel cycle and the present industrial capability in the US

  11. Business Cycles Accounting for Paraguay

    OpenAIRE

    Hnatkovska, Viktoria; Koehler-Geib, Friederike

    2015-01-01

    This study investigates the role of domestic and external shocks in business cycle fluctuations in Paraguay during 1991–2012. Time-series methods and a structural model-based approach are used to conduct an integrated analysis of business cycles. First, structural vector autoregression is used to assess the role played by external factors and domestic shocks in driving fluctuations in gros...

  12. Variations on the Zilch Cycle

    Science.gov (United States)

    Binder, P.-M.; Tanoue, C. K. S.

    2013-01-01

    Thermo dynamic cycles in introductory physics courses are usually made up from a small number of permutations of isothermal, adiabatic, and constant-pressure and volume quasistatic strokes, with the working fluid usually being an ideal gas. Among them we find the Carnot, Stirling, Otto, Diesel, and Joule-Brayton cycles; in more advanced courses,…

  13. Analysis of Sunspot Activity Cycles

    Science.gov (United States)

    Greenkorn, Robert A.

    2009-04-01

    A nonlinear analysis of the daily sunspot number for each of cycles 10 to 23 is used to indicate whether the convective turbulence is stochastic or chaotic. There is a short review of recent papers considering sunspot statistics and solar activity cycles. The differences in the three possible regimes - deterministic laminar flow, chaotic flow, and stochastic flow - are discussed. The length of data sets necessary to analyze the regimes is investigated. Chaos is described and a chronology of recent results that utilize chaos and fractals to analyze sunspot numbers follows. The parameters necessary to describe chaos - time lag, phase space, embedding dimension, local dimension, correlation dimension, and the Lyapunov exponents - are determined for the attractor for each cycle. Assuming the laminar regime is unlikely if chaos is not indicated in a cycle by the calculations, the regime must be stochastic. The sunspot numbers in each of cycles 10 to 19 indicate stochastic behavior. There is a transition from stochastic to chaotic behavior of the sunspot numbers in cycles 20, 21, 22, and 23. These changes in cycles 20 - 23 may indicate a change in the scale of turbulence in the convection zone that could result in a change in the convective heat transfer and a change in the size of the convection region for these four cycles.

  14. The LifeCycle model

    DEFF Research Database (Denmark)

    Krink, Thiemo; Løvbjerg, Morten

    2002-01-01

    Adaptive search heuristics are known to be valuable in approximating solutions to hard search problems. However, these techniques are problem dependent. Inspired by the idea of life cycle stages found in nature, we introduce a hybrid approach called the LifeCycle model that simultaneously applies...

  15. The water cycle for kids

    Science.gov (United States)

    Neno, Stephanie; Morgan, Jim; Zonolli, Gabriele; Perlman, Howard; Gonthier, Gerard

    2013-01-01

    The U.S. Geological Survey (USGS) and the Food and Agriculture Organization of the United Nations (FAO) have created a water-cycle diagram for use in elementary and middle schools. The diagram is available in many languages. This diagram is part of the USGS's Water Science School, in which the water cycle is described in detail.

  16. Corporate governance cycles during transition

    DEFF Research Database (Denmark)

    Jones, Derek C.; Mygind, Niels

    2004-01-01

    We begin by identifying a typical governance life-cycle, defined as changes in ownership structure, and including both the identity of the major owner and ownership concentration. The cycle is marked by key events and phases including start-up, initial growth, mature growth, and possibly a crisis...

  17. Business Cycle Theory before Keynes

    OpenAIRE

    Claude Diebolt

    2009-01-01

    This article is concerned with the development of the theory of business cycles before Keynes. It is impossible to treat fully all the theories or to mention all those who have contributed to the literature. Our main consideration will be the development of cycle theory, with maximum emphasis upon ideas.

  18. SWIFT Intensive Technical Assistance Process. Technical Assistance Brief #1

    Science.gov (United States)

    Sailor, Wayne; McCart, Amy; McSheehan, Michael; Mitchiner, Melinda; Quirk, Carol

    2014-01-01

    The national center on Schoolwide Integrated Framework for Transformation (SWIFT Center) is now approaching the halfway point in its first full year of providing intensive technical assistance (TA) to 68 schools in 20 local educational agencies across five states. The purpose of this brief is to provide a thumbnail sketch of how this TA process…

  19. Ethical issues in assisted reproduction.

    Science.gov (United States)

    Marshall, B M

    1992-07-01

    Since the birth of Louise Brown in 1978, no other area in clinical practice and medical research has held the public interest to the same extent as the assisted reproductive technologies. This has led to the formation of committees of enquiry, guidelines from professional bodies, the passage of legislation, and the formation of legislative bodies. The ethical issues which arise in the clinical practice of assisted reproduction, the donation of gametes and embryos, and their cryopreservation, surrogacy, and human embryo research are reviewed. PMID:1309130

  20. Ion beam assisted film growth

    CERN Document Server

    Itoh, T

    2012-01-01

    This volume provides up to date information on the experimental, theoretical and technological aspects of film growth assisted by ion beams.Ion beam assisted film growth is one of the most effective techniques in aiding the growth of high-quality thin solid films in a controlled way. Moreover, ion beams play a dominant role in the reduction of the growth temperature of thin films of high melting point materials. In this way, ion beams make a considerable and complex contribution to film growth. The volume will be essential reading for scientists, engineers and students working in thi