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Barrier Attenuation Of Air Scattered Gamma Radiation
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Book Synopsis Barrier Attenuation of Air-scattered Gamma Radiation by : Zolin G. Burson
Download or read book Barrier Attenuation of Air-scattered Gamma Radiation written by Zolin G. Burson and published by . This book was released on 1965 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: Additional measurements at this same location were made to determine: (1) the skyshine dose rate as a function of distance from a cobalt-60 source placed on an air-ground interface: (2) the geometry factor describing a detector response to scattered gamma rays at the air-ground interface from a point isotropic cobalt-60 source on the ground 100 ft away; and (3) lip scatter and wall backscatter corrections for a detector in an open hole exposed to skyshine radiation from cobalt-60. The results apply to a variation of shielding problems. One practical application is the shielding provided by basement roofs and exposed basement walls from skyshine radiation originating from fallout.
Book Synopsis Barrier Attenuation of Air-scattered Gamma Radiation by : Zolin G. Burson
Download or read book Barrier Attenuation of Air-scattered Gamma Radiation written by Zolin G. Burson and published by . This book was released on 1964 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis BARRIER ATTENUATION OF AIR-SCATTERED GAMMA RADIATION. by :
Download or read book BARRIER ATTENUATION OF AIR-SCATTERED GAMMA RADIATION. written by and published by . This book was released on 1964 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structure Shielding Against Fallout Gamma Rays from Nuclear Detonations by : Lewis Van Clief Spencer
Download or read book Structure Shielding Against Fallout Gamma Rays from Nuclear Detonations written by Lewis Van Clief Spencer and published by . This book was released on 1980 with total page 992 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis GRASS - a Monte Carlo Procedure for Calculating Gamma-ray Attenuation of Simple Structures by : J. H. Price
Download or read book GRASS - a Monte Carlo Procedure for Calculating Gamma-ray Attenuation of Simple Structures written by J. H. Price and published by . This book was released on 1967 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt: The GRASS Monte Carlo procedure was written in 1130 FORTRAN to calculate gamma-ray attenuation in simple cylindrical structures. GRASS calculates the structure-scattered gamma-ray flux energy distribution and exposure angle distribution at a point on the centerline of an upright cylindrical barrier exposed to gamma rays from a plane source located on, or near, the ground surface. The energy and angle distribution of the flux incident upon the structure is calculated by a related Monte Carlo procedure and is input in a fixed form which describes 1) "uncollided" gamma rays which reach the barrier before having a collision in the air or ground and 2) "scattered" gamma rays incident on the barrier after having at least one collision in the air or ground. GRASS employs a pseudo source based on probability distributions derived from the incident flux distribution.
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 1968 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Feasibility Study by : T. G. Provenzano
Download or read book Feasibility Study written by T. G. Provenzano and published by . This book was released on 1965 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and fabrication of a high-intensity, 14-Mev neutron source which can be operated on a hoist platform on the 1500-ft BREN tower at the Nevada Test Site (NTS) has been determined to be feasible. Utilizing the T(d, n)-4He reaction, the source should be capable of producing, as a minimum, an average intensity of 10-13 neutrons/sec for periods up to 4 hr. The type and placement of power supplies, ion sources, targets, and vacuum equipment have been examined and a preliminary conceptual design completed. Control systems, testing procedures, and construction operations were studied and are presented. It is estimated that the neutron source will cost from 260,000 to 300,000, occupy approximately 400 ft-3, weigh approximately 7.5 tons and require about 10 months to complete.
Book Synopsis Shadow Shields and Scattered Gamma Radiation by : Robert E. Baker
Download or read book Shadow Shields and Scattered Gamma Radiation written by Robert E. Baker and published by . This book was released on 1958 with total page 52 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 1969 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NBS Special Publication written by and published by . This book was released on 1980 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Distribution of Radiation from a 14 MEV Neutron Source in and Near Structures by : J. S. Cheka
Download or read book Distribution of Radiation from a 14 MEV Neutron Source in and Near Structures written by J. S. Cheka and published by . This book was released on 1968 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiosensitivity of Certain Perennial Shrub Species Based on a Study of the Nuclear Excavation Experiment, Palanquin, with Other Observations of Effects on the Vegetation by : W. A. Rhoads
Download or read book Radiosensitivity of Certain Perennial Shrub Species Based on a Study of the Nuclear Excavation Experiment, Palanquin, with Other Observations of Effects on the Vegetation written by W. A. Rhoads and published by . This book was released on 1969 with total page 44 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.
Book Synopsis Neutron Spectrometry by : Robert S. Sanna
Download or read book Neutron Spectrometry written by Robert S. Sanna and published by . This book was released on 1969 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Measurements of neutron spectra with nuclear emulsion at various distances from a 14 MeV neutron source were made at the Nevada Test Site during Operation HENRE. These measurements and supplementary ones made using the neutron flux integrator developed at the Lawrence Radiation Laboratory, and a version of Bonner's spectrometer, are compared with theoretical calculations. Overall agreement was found to be good.
Book Synopsis Differential Measurements of Fast-neutron Air-ground Interface Effects by : R. L. French
Download or read book Differential Measurements of Fast-neutron Air-ground Interface Effects written by R. L. French and published by . This book was released on 1971 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The experiment provided confirmation, both qualitative and quantitative, of the "first-last collision model" of the air-ground interface effect.
Book Synopsis Distribution of Weapons Radiation in Japanese Residential Structures by : J. S. Cheka
Download or read book Distribution of Weapons Radiation in Japanese Residential Structures written by J. S. Cheka and published by . This book was released on 1965 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Radiation Measurements in Conventional Structures: Radiation measurements in two two-story and three one-story typical residential structures before and after modification by : Zolin G. Burson
Download or read book Experimental Radiation Measurements in Conventional Structures: Radiation measurements in two two-story and three one-story typical residential structures before and after modification written by Zolin G. Burson and published by . This book was released on 1964 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
