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

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ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (91 download)

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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).

U.S. Government Research Reports

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ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.3/5 (91 download)

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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:

Nuclear Science Abstracts

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ISBN 13 :
Total Pages : 1468 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Nuclear Science Abstracts by :

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:

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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ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.3/5 (91 download)

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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.

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.:/5 (31 download)

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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 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Tentative Estimation of Man's Tolerance to Overpressures from Air Blast

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ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.3/5 (91 download)

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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.

Biological Tolerance to Air Blast and Related Biomedical Criteria

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ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.3/5 (91 download)

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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.

Keywords Index to U.S. Government Technical Reports

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ISBN 13 :
Total Pages : 1160 pages
Book Rating : 4.3/5 (243 download)

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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:

Keywords Index to U.S. Government Technical Reports (permuted Title Index).

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ISBN 13 :
Total Pages : 836 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Keywords Index to U.S. Government Technical Reports (permuted Title Index). by : United States. Department of Commerce. Office of Technical Services

Download or read book Keywords Index to U.S. Government Technical Reports (permuted Title Index). written by United States. Department of Commerce. Office of Technical Services and published by . This book was released on 1963 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Overpressure-duration Relationship and Lethality in Small Animals

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ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Overpressure-duration Relationship and Lethality in Small Animals by : Donald R. Richmond

Download or read book The Overpressure-duration Relationship and Lethality in Small Animals written by Donald R. Richmond 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 993 mice, rats, guinea pigs and rabbits were exposed to sharp-rising overpressures of various short durations. They were mounted on a concrete pad above which high-explosive charges, ranging in weight from 0.50 oz to 64 lbs, were detonated. Pressure-time measurements were obtained with pencil-type and shock-tube piezo-electric gauges on the pad directly beneath the charges. The duration of the blast waves ranged from 0.40 msec to 6.8 msec. The LD-50 pressures were calculated for each species at the different pulse durations. In general, the pressures required to produce 50-percent lethality rose at the shorter durations. Combining the results of this study with those from previous shock-tube investigations made it possible to define the tolerance of four small-animal species to sharply rising overpressures as a function of pulse duration.

Body Armor

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ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.3/5 ( download)

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Book Synopsis Body Armor by :

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:

Bibliography Related to Human Factors System Program

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ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.F/5 ( download)

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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 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bibliography of Scientific and Industrial Reports

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ISBN 13 :
Total Pages : 1066 pages
Book Rating : 4.F/5 ( download)

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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:

Biomedical Research Studies in Acceleration, Impact, Weightlessness, Vibration, and Emergency Escape and Restraint Systems

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ISBN 13 :
Total Pages : 716 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Biomedical Research Studies in Acceleration, Impact, Weightlessness, Vibration, and Emergency Escape and Restraint Systems by :

Download or read book Biomedical Research Studies in Acceleration, Impact, Weightlessness, Vibration, and Emergency Escape and Restraint Systems written by and published by . This book was released on 1963 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Proceedings of the Symposium on Combined Injuries and Shock

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ISBN 13 :
Total Pages : 336 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Proceedings of the Symposium on Combined Injuries and Shock by : Bo Schildt

Download or read book Proceedings of the Symposium on Combined Injuries and Shock written by Bo Schildt and published by . This book was released on 1968 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Protective Structures for Civilian Populations

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Publisher : National Academies
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.1/5 (53 download)

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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:

A Literature Study of Biological Effects from Shock Waves and of Organisms that May Serve as Biologial Indicators of Underground Nuclear Detonations

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ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.X/5 (1 download)

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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: