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A Note On The Galactic Radiation Exposure In Geomagnetically Unprotected Regions Of Space
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Book Synopsis A Note on the Galactic Radiation Exposure in Geomagnetically Unprotected Regions of Space by : Hermann J. Schaefer
Download or read book A Note on the Galactic Radiation Exposure in Geomagnetically Unprotected Regions of Space written by Hermann J. Schaefer and published by . This book was released on 1966 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of the galactic flux at low rigidities during the Years of the Quiet Sun 1964-65 indicate that the galactic radiation is still modulated at solar minimum with the differential flux at low rigidities strongly depressed. Thus it is assumed that, in space systems of low shielding, no exceptionally large skin doses in a human target will result. This is quite different from that occurring from trapped radiation and solar particle beams. A conservative estimate for the total dose from galactic radiation at solar minimum including secondaries for 2pi incidence is 50 millirads/24 hours with 5 to 8 per cent of this dose produced by high LET components. If life shortening is used as criterion for long-term effects, the quoted exposure corresponds to a factor of 0.2 in the sense that 100 days of exposure would shorten the residual life span by 20 days. (Author).
Book Synopsis Linear Energy Transfer Spectra and Dose Equivalents of Galactic Radiation Exposure in Space by : Hermann J. Schaefer
Download or read book Linear Energy Transfer Spectra and Dose Equivalents of Galactic Radiation Exposure in Space written by Hermann J. Schaefer and published by . This book was released on 1966 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: In assessing the astronaut's exposure from galactic cosmic rays on space missions of long duration conversion of absorbed doses to dose equivalents is required. Since a large part of the dose contribution from heavy primaries is produced at Linear Energy Transfer (LET) values beyond the range for which radiobiological data are available, it seems preferable to analyze the LET distributions themselves and to compare them to standard x-rays rather than to assume arbitrary values for the Relative Biological Effectiveness(RBE). The local LET distributions in tissue are found to be extremely skewed, with a large maximum at the relativistic minimum LET. Lined up on the LET scale, they cover the very wide interval from 0.18 to 2790 kev/micron T as compared to an interval from 0.4 to 35 kev/micron T for standard x-rays. Applying the RBE formula of the RBE Committee of the ICRP and a saturation value of 10 leads to a grand mean RBE of 1.82 for the total absorbed dose of 13 millirads/24 hours from primaries. (Author).
Book Synopsis Space Radiation Biology and Related Topics by : Cornelius A. Tobias
Download or read book Space Radiation Biology and Related Topics written by Cornelius A. Tobias and published by Elsevier. This book was released on 2013-10-22 with total page 665 pages. Available in PDF, EPUB and Kindle. Book excerpt: Space Radiation Biology and Related Topics provides information pertinent to the fundamental aspects of space radiation biology. This book discusses space radiation hazards as well as the importance of natural radiations in the processes of biogenesis. Organized into 12 chapters, this book begins with an overview of the fundamental aspects of radiobiology. This text then discusses the theoretical treatments of the chronic radiation response and the applicability of some of its features in extended manned space missions. Other chapters review the literature on models for recovery from radiation damage to some cellular systems. This book discusses as well the effects of radiations on mammals, with emphasis on those effects pertinent to the space-flight situation. The final chapter deals with the safety of nuclear power in space and explains the three types of nuclear devices designed for power production in space. This book is a valuable resource for radiologists, radiobiologists, and radiotherapists.
Book Synopsis Literature Search by : National Library of Medicine (U.S.)
Download or read book Literature Search written by National Library of Medicine (U.S.) and published by . This book was released on 1967 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1967 with total page 1336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Technical Note written by and published by . This book was released on 1974 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protection Against Space Radiation by : Arthur Reetz
Download or read book Protection Against Space Radiation written by Arthur Reetz and published by . This book was released on 1968 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1967-04 with total page 1078 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cumulated Index Medicus written by and published by . This book was released on 1967 with total page 1794 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1967-11 with total page 874 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measured and Calculated Neutron Spectra and Dose Equivalent Rates at High Altitudes by : Trutz Foelsche
Download or read book Measured and Calculated Neutron Spectra and Dose Equivalent Rates at High Altitudes written by Trutz Foelsche and published by . This book was released on 1974 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of the NASA Langley-New York University high-altitude radiation study are presented.
Download or read book Il Nuovo cimento written by and published by . This book was released on 1969 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Contractor Report by : United States. National Aeronautics and Space Administration
Download or read book NASA Contractor Report written by United States. National Aeronautics and Space Administration and published by . This book was released on 1968 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compendium of Human Responses to the Aerospace Environment. Volume 1 - Sections 1-6 by :
Download or read book Compendium of Human Responses to the Aerospace Environment. Volume 1 - Sections 1-6 written by and published by . This book was released on 1968 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: The compendium is divided into 16 environmental categories as indicated in the general table of contents. Each of the 16 environments has its own table of contents subdividing the text into sub-sections required for a logical presentation of the subject. (See volumes 1-3.) Conversion tables covering physical, biological, and engineering terms used in this compendium follow the last section of text. (See volume 4.) At the end of the compendium is an alphabetic subject index covering all of the sections. Following each subject notation in the alphabetic index is the environmental section, page number in that section, and also the figure or table number where that subject is covered or even mentioned. In some cases the figure or table may be self explanatory; in others, perusal of the text is required for appreciation of the full meaning and utility limits of the figure or table. A table of environments precedes the index for handy reference. (See volume 4.) The areas of research covered include: Microwave Radiation, Light, Ionizing Radiation, Magnetic Fields, Electric Current, Thermal Environment, Acceleration, Vibration, Sound and Noise, Oxygen-Carbon Dioxide-Energy, Inert Gas, Pressure, Contaminants, Nutrition, Water, Anthropometry and Temporo-spatial Environment.
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1967 with total page 1064 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government-wide Index to Federal Research & Development Reports by :
Download or read book Government-wide Index to Federal Research & Development Reports written by and published by . This book was released on 1967 with total page 802 pages. Available in PDF, EPUB and Kindle. Book excerpt:
