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The Tolerance Of Guinea Pigs To Air Blast When Mounted In Shallow Deep And Deep With Offset Chambers On A Shock Tube
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Book Synopsis The Tolerance of Guinea Pigs to Air Blast when Mounted in Shallow, Deep, and Deep-with-offset Chambers on a Shock Tube by : Donald R. Richmond
Download or read book The Tolerance of Guinea Pigs to Air Blast when Mounted in Shallow, Deep, and Deep-with-offset Chambers on a Shock Tube written by Donald R. Richmond and published by . This book was released on 1962 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: One hundred and eighteen guinea pigs were exposed to air blast in shallow, deep, and deep-with-offset chambers mounted on a shock tube. The LD(50)- 24 hours, in terms of the incident shock pressures measured adjacent to the chambers, was calculated by probit analysis to be 34.9 psi, 19.5 psi, and 26.8 psi for animals in the shallow, deep, and deep-with-offset chambers, respectively. According to the LD(50) incident pressures, the shallow chambers offered the most protection against air blast; the deep chambers, the least. Comparing the LD(50)pressure dose at the animals' location revealed little difference in their tolerance to overpressure, per se; i.e., LD(50) reflected pressures measured by gauges within the deep and deep-with-offset chambers were 34.6 psi and 35.9 psi, respectively. The LD(50) incident shock pressure of 34.9 psi in the shallow chambers was considered to be the dose at the animal's location in that instance. The protection against blast provided by the three chambers and the response of animals to the particular pressure time patterns encountered are discussed.
Book Synopsis U.S. Government Research Reports by :
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1963 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Tentative Estimation of Man's Tolerance to Overpressures from Air Blast by : Donald R. Richmond
Download or read book A Tentative Estimation of Man's Tolerance to Overpressures from Air Blast written by Donald R. Richmond and published by . This book was released on 1962 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tentative estimates of the sharp-rising overpressures as a function of duration which represent a lethal hazard to the 70-kg animal 1, 50 and 99 per cent of the time were presented. The predictions were based on interspecies correlations and extrapolations encompassing blast-tolerance data for six mammalian species. The tentative application of the data to indicate human blast tolerance was discussed and relevant uncertainties in the estimates were emphasized. It was also pointed out that biologic tolerance would be different for air-blast pulses having non-ideal wave forms frequently associated with various geometries of exposure. Selected pathophysiological information pertinent to the biological response following blast exposure was given; namely survival time and selected postshot observations of dogs and goats.
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1963-04 with total page 1468 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological Tolerance to Air Blast and Related Biomedical Criteria by : Clayton S. White
Download or read book Biological Tolerance to Air Blast and Related Biomedical Criteria written by Clayton S. White and published by . This book was released on 1965 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experience with animals exposed in a variety of above and below ground structures during full-scale field operations at the Nevada Test Site in 1953, 1955 and 1957 were reviewed. The data were assembled and summarized to illustrate the nature of the blast-induced problems of significance in protective shelters, "open" as well as "closed". Potential hazards were related to the following: various patterns of variation in environmental pressure; translational events associated with transient, high-velocity winds, ground shock and gravity involving the impact of energized inanimate objects on the one hand the the consequences of whole-body displacement on the other; non-line-of-site thermal phenomena including hot objects and rapidly moving hot, dust- laden air and debris; and dust, in the respirable size range, sufficiently high in concentration even in "closed" shelters as to warrant design measures to minimize or eliminate the occurrence of small particulates whether arising from wall spalling or otherwise. Tentative biological criteria, conceived to help assess human hazards from blast-related phenomena, were presented. Relevant data from the literature and on- going research in environmental medicine were set forth to aid the reader in appreciating how the criteria were formulated, what information was extrapolated from animal data, and wherein "best estimates" were employed. "State-of-the-art" concepts were noted to emphasize areas in which more thinking and research must continue if more refined, complete and adequate criteria are to be forthcoming for assessing man's response to blast-induced variation in his immediate environment.
Download or read book Body Armor written by and published by . This book was released on 1976 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Keywords Index to U.S. Government Technical Reports by :
Download or read book Keywords Index to U.S. Government Technical Reports written by and published by . This book was released on 1962 with total page 1160 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 1963 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography Related to Human Factors System Program by : Richard J. Potocko
Download or read book Bibliography Related to Human Factors System Program written by Richard J. Potocko and published by . This book was released on 1964 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bibliography of Scientific and Industrial Reports by :
Download or read book Bibliography of Scientific and Industrial Reports written by and published by . This book was released on 1963 with total page 1066 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Protective Structures for Civilian Populations by :
Download or read book Protective Structures for Civilian Populations written by and published by National Academies. This book was released on 1965 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Literature Study of Biological Effects from Shock Waves and of Organisms that May Serve as Biologial Indicators of Underground Nuclear Detonations by : C. L. Newcombe
Download or read book A Literature Study of Biological Effects from Shock Waves and of Organisms that May Serve as Biologial Indicators of Underground Nuclear Detonations written by C. L. Newcombe and published by . This book was released on 1964 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development Publisher : ISBN 13 : Total Pages :714 pages Book Rating :4.3/5 (91 download)
Book Synopsis AGARD Conference Proceedings by : North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development
Download or read book AGARD Conference Proceedings written by North Atlantic Treaty Organization. Advisory Group for Aerospace Research and Development and published by . This book was released on 1971 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CEX written by and published by . This book was released on 19?? with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1964 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Prevention of and Protection Against Accidental Explosion of Munitions, Fuels and Other Hazardous Mixtures by : New York Academy of Sciences
Download or read book Prevention of and Protection Against Accidental Explosion of Munitions, Fuels and Other Hazardous Mixtures written by New York Academy of Sciences and published by . This book was released on 1968 with total page 930 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effects of Shock Tube Generated, Step-rising Overpressures on Guinea Pigs Located in Shallow Chambers Oriented Side-on and End-on to the Incident Shock by : Victor R. Clare
Download or read book The Effects of Shock Tube Generated, Step-rising Overpressures on Guinea Pigs Located in Shallow Chambers Oriented Side-on and End-on to the Incident Shock written by Victor R. Clare and published by . This book was released on 1962 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: A total of 308 guinea pigs were exposed to air blast in 4 close-fitting, shallow, rectangular chambers mounted on the top, bottom and sides of an air-driven shock tube. With a reflecting plate at the downstream edge of the chambers, the animals were exposed to long-duration shock overpressures that initially rose in a single step. The LD50-24-hr reflected pressure calculated from grouping all positions was 36.2! 0.8 psi. By moving the reflecting plate to various distances downstream of the chambers, shock overpressures that initially rose in two steps were applied. The results were that the animals' tolerances to overpressure rose as the time between pressure steps was increased. Comparison of the LD50's obtained with animals in each chamber revealed that there was not a significant statistical difference in their tolerances, whether they were loaded initially with the single-step pulse from their right, left, dorsal or ventral surfaces. (Author).
