The Estimation of the Non-recuperable Injury Caused by Ionizing Radiation PDF Download
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Author: J. S. Krebs
Publisher:
ISBN:
Category : Ionizing radiation
Languages : en
Pages : 30
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Book Description
Exposure of mice to a non-lethal course of X-ray treatment results in a reduction in tolerance of mice to further X-ray treatment. The reduction in tolerance to X-ray amounts to a decrease of the acute LD50 by an average of 9.6 percent of the total amount of the non-lethal radiation previously given. The time of death after the LD50 test and the slope of the dose-response curve are not changed by the non-lethal radiation previously given, and it is inferred from this that the mechanism of acute death and the distribution of radiation sensitivity are not changed. The injury found does not account for the observed mortality of animals from chronically imposed radiation.
Author: J. S. Krebs
Publisher:
ISBN:
Category : Ionizing radiation
Languages : en
Pages : 30
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Book Description
Exposure of mice to a non-lethal course of X-ray treatment results in a reduction in tolerance of mice to further X-ray treatment. The reduction in tolerance to X-ray amounts to a decrease of the acute LD50 by an average of 9.6 percent of the total amount of the non-lethal radiation previously given. The time of death after the LD50 test and the slope of the dose-response curve are not changed by the non-lethal radiation previously given, and it is inferred from this that the mechanism of acute death and the distribution of radiation sensitivity are not changed. The injury found does not account for the observed mortality of animals from chronically imposed radiation.
Author: John S. Krebs
Publisher:
ISBN:
Category : Fast neutrons
Languages : en
Pages : 32
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It is concluded that the RBE of the mice for residual radiation injury and the RBE for chronic radiation tolerance over short time intervals are the same as that for acute injury tolerance.
Author:
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ISBN:
Category : Cancer
Languages : en
Pages : 278
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Author: National Cancer Institute (U.S.)
Publisher:
ISBN:
Category : Cancer
Languages : en
Pages : 794
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Author:
Publisher:
ISBN:
Category : Energy development
Languages : en
Pages : 758
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Author: J. S. Krebs
Publisher:
ISBN:
Category : Shielding (Radiation)
Languages : en
Pages : 28
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The protective effect of anoxic anoxia against residual biological effects of irradiation was measured and compared with the protective effect against acute injury. It was found that a degree of hypoxia sufficient to reduce the effective radiation dose for acute injury by more than half, failed to protect significantly against residual injury. The protective effect of the hypoxia against chronic or repeated radiation injury, was intermediate between that for acute and for residual injury.
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 1298
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Author: John S. Krebs
Publisher:
ISBN:
Category : Bone
Languages : en
Pages : 184
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;Contents: Lethality in sheep exposed to 60CO gamma radiation using various exposure parameters; Hematological findings in sheep exposed to lethal levels of 60CO gamma rays at various dose rates and under various conditions of exposure; Cellular changes in bone marrow of mice and sheep during and after exposure to 60CO gamma rays; Biological and mathematical analysis of lethality in large animals exposed to ionizing radiation.
Author:
Publisher:
ISBN:
Category : Radiobiology
Languages : en
Pages : 756
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Author: United States. Navy
Publisher:
ISBN:
Category :
Languages : en
Pages : 984
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