نتایج جستجو برای: gamma dose rate
تعداد نتایج: 1332210 فیلتر نتایج به سال:
Environmental Gamma Dose Rate Monitoring and Radon Correlations: Evidence and Potential Applications
Gamma emitting radionuclides naturally present in the Earth’s crust and radon exhaled by soil atmosphere with its short-lived progeny are two of main contributors to environmental gamma dose rate that typically characterizes an outdoor measurement site. The work aims investigate variations dose-rate time series originated different natural phenomena, such as weather seismic events, which can mo...
Background: The development of methods to alleviate radiation-induced health effects is important for the practical use of radiation therapy and for understanding the molecular mechanisms mediating these effects. Here, we examined the protective capability of N-acetylcysteine (NAC) on life-shortening effects induced by continuous low dose-rate gamma-ray exposure in mice. Materials and Methods: ...
Over the course of the last decade, routine monitoring of the alanine dosimetry system revealed a small but significant observation that, after examination, led to the characterization of a previously unknown absorbed-dose-dependent, dose-rate effect for the alanine system. The newly discovered rate effect is of potential concern for electron-beam dosimetry, since electron-beam dosimetry typica...
premature chromosome condensation (pcc) appears to have a possible utility for biological dosimetry purposes. the pcc technique may be adapted for cases of suspicion of overexposure where sampling is performed at least one day after an accident. for this purpose, human blood samples were exposed in vitro to 60co up to 10 gy and the pcc technique was performed immediately after irradiation. anal...
background: the effect of natural background radiation on health is still controversial. however, it is clear that it depends on the dose received by the population. the estimation of external natural background gamma rays received by the population of caspian coastal provinces in the northern part of iran was the main goal of this study. materials and methods: gamma rays was measured using cal...
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