Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Samples of two high-strength thermoplastic polyurethane Estane elastemers and one high-strength thermoset Estane elastomer were prepared and about a dozen different physical properties as well as infrared and ultraviolet absorption spectra determined for each composition. Radiation doses of 6 to 26 x 106 roentgens were applied to Polyurethane VC samples in air and in nitrogen environments and in a 50 micron vacuum. Infrared and ultraviolet absorption spectra changes in the polymer attending the exposure are under study, evolved gases are identified in the mass spectrometer, sol-gel determinations to estsblish crosslinking/ chain scission ratios are made, and macromolecular changes in the exposed polymer are estimated using light scattering techniques, the constant load rheometer, and the dynamic extrusion rheometer, and from intrinsic viscosity data. (auth).
POLYURETHANE GAMMA RADIATION RESISTANCE. Preliminary Report, May 15, 1958- December 1, 1958
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Samples of two high-strength thermoplastic polyurethane Estane elastemers and one high-strength thermoset Estane elastomer were prepared and about a dozen different physical properties as well as infrared and ultraviolet absorption spectra determined for each composition. Radiation doses of 6 to 26 x 106 roentgens were applied to Polyurethane VC samples in air and in nitrogen environments and in a 50 micron vacuum. Infrared and ultraviolet absorption spectra changes in the polymer attending the exposure are under study, evolved gases are identified in the mass spectrometer, sol-gel determinations to estsblish crosslinking/ chain scission ratios are made, and macromolecular changes in the exposed polymer are estimated using light scattering techniques, the constant load rheometer, and the dynamic extrusion rheometer, and from intrinsic viscosity data. (auth).
Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Samples of two high-strength thermoplastic polyurethane Estane elastemers and one high-strength thermoset Estane elastomer were prepared and about a dozen different physical properties as well as infrared and ultraviolet absorption spectra determined for each composition. Radiation doses of 6 to 26 x 106 roentgens were applied to Polyurethane VC samples in air and in nitrogen environments and in a 50 micron vacuum. Infrared and ultraviolet absorption spectra changes in the polymer attending the exposure are under study, evolved gases are identified in the mass spectrometer, sol-gel determinations to estsblish crosslinking/ chain scission ratios are made, and macromolecular changes in the exposed polymer are estimated using light scattering techniques, the constant load rheometer, and the dynamic extrusion rheometer, and from intrinsic viscosity data. (auth).
Preliminary Report on Polyurethane Gamma Radiation Resistance
Author: C. S. Schollenberger
Publisher:
ISBN:
Category : Absorption
Languages : en
Pages : 14
Book Description
Publisher:
ISBN:
Category : Absorption
Languages : en
Pages : 14
Book Description
Nuclear Science Abstracts
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1458
Book Description
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1458
Book Description
Health Effects of Exposure to Low Levels of Ionizing Radiation
Author: National Research Council
Publisher: National Academies
ISBN: 0309039959
Category : Science
Languages : en
Pages : 436
Book Description
This book reevaluates the health risks of ionizing radiation in light of data that have become available since the 1980 report on this subject was published. The data include new, much more reliable dose estimates for the A-bomb survivors, the results of an additional 14 years of follow-up of the survivors for cancer mortality, recent results of follow-up studies of persons irradiated for medical purposes, and results of relevant experiments with laboratory animals and cultured cells. It analyzes the data in terms of risk estimates for specific organs in relation to dose and time after exposure, and compares radiation effects between Japanese and Western populations.
Publisher: National Academies
ISBN: 0309039959
Category : Science
Languages : en
Pages : 436
Book Description
This book reevaluates the health risks of ionizing radiation in light of data that have become available since the 1980 report on this subject was published. The data include new, much more reliable dose estimates for the A-bomb survivors, the results of an additional 14 years of follow-up of the survivors for cancer mortality, recent results of follow-up studies of persons irradiated for medical purposes, and results of relevant experiments with laboratory animals and cultured cells. It analyzes the data in terms of risk estimates for specific organs in relation to dose and time after exposure, and compares radiation effects between Japanese and Western populations.
Thermal Radiation Measurements
Author: A. L. Greig
Publisher:
ISBN:
Category : Nevada National Security Site (Nev.)
Languages : en
Pages : 36
Book Description
Publisher:
ISBN:
Category : Nevada National Security Site (Nev.)
Languages : en
Pages : 36
Book Description
Radium in Humans
Author: R. E. Rowland
Publisher:
ISBN:
Category : Radiation injuries
Languages : en
Pages : 256
Book Description
Publisher:
ISBN:
Category : Radiation injuries
Languages : en
Pages : 256
Book Description
Radiation Application and Fission Product Utilization
Author:
Publisher:
ISBN:
Category : Fission products
Languages : en
Pages : 196
Book Description
Publisher:
ISBN:
Category : Fission products
Languages : en
Pages : 196
Book Description
Hereditary Effects of Radiation
Author: United Nations. Scientific Committee on the Effects of Atomic Radiation
Publisher: The Committee
ISBN:
Category : Medical
Languages : en
Pages : 166
Book Description
The 2001 report completed a comprehensive review of the risks to offspring following parental exposure to radiation. The review included an evaluation of those diseases which have both hereditary and environmental components. The major finding is that the total hereditary risk to the first generation following radiation is less than one tenth of the risk of fatal carcinogenesis following irrradiation. The Committee concluded that a sounder basis now exists for estimating the hereditary risks of radiation exposure. This is due to advances in molecular genetics, and in the evaluation of multifactorial diseases, such as coronary heart disease.
Publisher: The Committee
ISBN:
Category : Medical
Languages : en
Pages : 166
Book Description
The 2001 report completed a comprehensive review of the risks to offspring following parental exposure to radiation. The review included an evaluation of those diseases which have both hereditary and environmental components. The major finding is that the total hereditary risk to the first generation following radiation is less than one tenth of the risk of fatal carcinogenesis following irrradiation. The Committee concluded that a sounder basis now exists for estimating the hereditary risks of radiation exposure. This is due to advances in molecular genetics, and in the evaluation of multifactorial diseases, such as coronary heart disease.
TID.
Author:
Publisher:
ISBN:
Category : Energy development
Languages : en
Pages : 196
Book Description
Publisher:
ISBN:
Category : Energy development
Languages : en
Pages : 196
Book Description
Toxicological Profile for Polycyclic Aromatic Hydrocarbons
Author:
Publisher:
ISBN:
Category : Polycyclic aromatic hydrocarbons
Languages : en
Pages : 500
Book Description
Publisher:
ISBN:
Category : Polycyclic aromatic hydrocarbons
Languages : en
Pages : 500
Book Description