نتایج جستجو برای: radiation doses
تعداد نتایج: 334165 فیلتر نتایج به سال:
background: a substantial part of the public’s natural radiation dose is due to the inhalation of radon gas. most of the exposure occurs indoors where the airborne concentration of radon and its decay products is usually higher than outdoors. materials and methods: radon activity concentration has been measured twice in 50 classrooms in 5 levels (10 each) during summer and winter using solid-st...
background: radioactive iodine is widely used for the treatment of various thyroid disorders. safety issues are often a source of worry and anxiety for the patients, their families and comforters. the patients are advised to restrict their social and work related activities. the work presented in this study describes the results of a structured survey conducted on patients visiting our hospital...
Background and Objective: Utilization of ionizing radiation in some surgery operations (especially orthopedic operations) is inevitable. One of the main occupational hazards of physicians and other personnel could be radiation exposure risks. This study aimed to evaluate the exposure doses received by operating room personnel in such surgery operations. Materials and Methods: 30 personnel of op...
Ionizing radiation has long been known to produce detrimental biological effects. Although these harmful effects are the results of high doses of exposure, some other maladies such as mutation and cancer seems to be induced at low doses of exposure. In recent decades, however, some pioneer scientists have indicated that ionizing radiation like many other essential agents has toxic effects ...
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