Atomindex
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Inis Atomindeks
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Author :
language : en
Publisher:
Release Date : 1987
Inis Atomindeks written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Nuclear energy categories.
U Uranium
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Author :
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
U Uranium written by and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
The present volume A4 of the "Uranium" series of the Gmelin Handbook deals with two very important technological aspects of the nuclear fuel cycle: - the behavior of fuel elements during burnup in a nuclear reactor, and - the reprocessing of spent fuel to recover the non-fissioned uranium and newly created materials. The usefullifetime of a fuel element in a nuclear reactor depends strongly on the change of its chemical and physical properties during irradiation. Properties like thermal conductivity, swelling, creep, and oxygen-to-metal ratio are strongly affected by the intense neutron field and the energetic fission products. Furthermore, the high temperature gradient in a fuel element also produces alterations of the initial fuel. such as densification or U: Pu segregation. All of these effects are thoroughly discussed for the different kinds of fuels to be used in modern nuclear reactors today or in the future. The vast amount of very often Contradietory results in sometimes difficultly obtainable Iiterature has been summarized to create a compendium in this field with the two sections, on oxide and on carbide and nitride fuels, respectively. The chapters on reprocessing of spent fuels deal only with fuel elements of the uranium 235 thorium fuel cycle and with those containing fuel highly enriched in U. The treatment of U0 2 and (U,Pu)0 has already been given in the transuranic element series.
How To Get It
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Author :
language : en
Publisher:
Release Date : 1992
How To Get It written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Government publications categories.
Cities And Their Vital Systems
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Author : Advisory Committee on Technology and Society
language : en
Publisher: National Academies Press
Release Date : 1989
Cities And Their Vital Systems written by Advisory Committee on Technology and Society and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Social Science categories.
Cities and Their Vital Systems asks basic questions about the longevity, utility, and nature of urban infrastructures; analyzes how they grow, interact, and change; and asks how, when, and at what cost they should be replaced. Among the topics discussed are problems arising from increasing air travel and airport congestion; the adequacy of water supplies and waste treatment; the impact of new technologies on construction; urban real estate values; and the field of "telematics," the combination of computers and telecommunications that makes money machines and national newspapers possible.
Energy Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1983
Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Power resources categories.
Information Sources In Science And Technology
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Author : C. C. Parker
language : en
Publisher: Butterworth-Heinemann
Release Date : 2013-10-22
Information Sources In Science And Technology written by C. C. Parker and has been published by Butterworth-Heinemann this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.
Information Sources in Science and Technology: A Practical Guide to Traditional and Online Use presents a selection of traditional and online methods of using information sources in science and technology, including people, organizations, literature, hosts, and databases. This text serves as a reference book that helps the reader choose sources of information and their guides, includes a routine for finding and using information, and offers tips on searching and obtaining literature in a usable form. This book is comprised of nine chapters and begins by explaining how to choose type(s) of information source that is likely to be most helpful. The chapters that follow present guides on people, organizations, and literature as sources of information. A chapter on information services focuses on those organizations that supply information or references to information that could be helpful. These services range from answering telephone queries to supplying collections of relevant documents, and from broadcast television information to direct connection with computer databases. The next chapters discuss ways of searching the literature and computer databases, obtaining literature in a usable form, and organizing and presenting information. This book concludes by considering current awareness or keeping up-to-date with information about recent developments. This monograph is intended for librarians and information officers, especially for those working in scientific or industrial environments, practicing scientists and engineers, and students associated with these professions.
Si Silicon
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Author :
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Si Silicon written by and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-11 with Science categories.
This volume concludes the coverage of silicon carbide, SiC, begun in "Silicon" Supplement Volume B 2, 1984, subtitled "Silicon Carbide - Part I". Part I described the physical properties of SiC, SiC diodes, molecular species in the SiC-C gas phase, and amorphous silicon-carbon alloys. The current Part II ("Silicon" Supplement Volume B 3,1986) covers in its initial chapter the Si-C phase diagram and in the final chapters the higher order systems of Si and C with additional elements through boron, arranged according to the Gmelin system. In between some 95% of the volume focusses on SiC, beginning with its natural occurrence, preparation and formation, and purification, continuing with its chemical analysis, manufacture of special ized forms, electrochemistry, and chemical reactions, and concluding with descriptions of its myriad applications. The final applications section covering electronic devices also describes similar applications of the amorphous Si-C alloys. The successive chapters in this volume are often closely interrelated, since it is often necessary to synthesize SiC directly in a form in which it will be applied. SiC cannot be melted and cast, nor rolled nor drawn, nor is it easily electroplated or sintered or purified. Silicon carbide first became known to man when E. G. Acheson in 1891 used an electric current to heat a mixture of clay and carbon to extremely high temperatures.
Official Gazette Of The United States Patent And Trademark Office
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Author :
language : en
Publisher:
Release Date : 1998
Official Gazette Of The United States Patent And Trademark Office written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Patents categories.
Official Gazette Of The United States Patent And Trademark Office
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Author : United States. Patent and Trademark Office
language : en
Publisher:
Release Date : 1998
Official Gazette Of The United States Patent And Trademark Office written by United States. Patent and Trademark Office and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Patents categories.
Use Of Services For Family Planning And Infertility United States 1982
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Author : Gerry E. Hendershot
language : en
Publisher:
Release Date : 1988
Use Of Services For Family Planning And Infertility United States 1982 written by Gerry E. Hendershot and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Birth control categories.
The 1982 statistics on the use of family planning and infertility services presented in this report are preliminary results from Cycle III of the National Survey of Family Growth (NSFG), conducted by the National Center for Health Statistics. Data were collected through personal interviews with a multistage area probability sample of 7969 women aged 15-44. A detailed series of questions was asked to obtain relatively complete estimates of the extent and type of family planning services received. Statistics on family planning services are limited to women who were able to conceive 3 years before the interview date. Overall, 79% of currently mrried nonsterile women reported using some type of family planning service during the previous 3 years. There were no statistically significant differences between white (79%), black (75%) or Hispanic (77%) wives, or between the 2 income groups. The 1982 survey questions were more comprehensive than those of earlier cycles of the survey. The annual rate of visits for family planning services in 1982 was 1077 visits /1000 women. Teenagers had the highest annual visit rate (1581/1000) of any age group for all sources of family planning services combined. Visit rates declined sharply with age from 1447 at ages 15-24 to 479 at ages 35-44. Similar declines with age also were found in the visit rates for white and black women separately. Nevertheless, the annual visit rate for black women (1334/1000) was significantly higher than that for white women (1033). The highest overall visit rate was for black women 15-19 years of age (1867/1000). Nearly 2/3 of all family planning visits were to private medical sources. Teenagers of all races had higher family planning service visit rates to clinics than to private medical sources, as did black women age 15-24. White women age 20 and older had higher visit rates to private medical services than to clinics. Never married women had higher visit rates to clinics than currently or formerly married women. Data were also collected in 1982 on use of medical services for infertility by women who had difficulty in conceiving or carrying a pregnancy to term. About 1 million ever married women had 1 or more infertility visits in the 12 months before the interview. During the 3 years before interview, about 1.9 million women had infertility visits. For all ever married women, as well as for white and black women separately, infertility services were more likely to be secured from private medical sources than from clinics. The survey design, reliability of the estimates and the terms used are explained in the technical notes.