نتایج جستجو برای: radiation hazards
تعداد نتایج: 276161 فیلتر نتایج به سال:
introduction this study was conducted to evaluate the radiographers’ awareness of radiation protection principles in the radiology centers of the hospitals of bandar abbas, iran. materials and methods this analytical cross-sectional study was conducted on 50 radiographers of three hospitals affiliated with hormozgan university of medical sciences in 2015. the data were collected using a two-par...
exposure to radiation from different types of television sets was measured to ascertain the levels of hazards posed to the human biological system. measurement of the annual radiation dose hazards was performed using a halogen-quenched gm tube with thin mica end window having a density of 1.5 mg/cm2, effective window diameter of 0.360 inch and side wall of 0.012 inch thick. the gm tube was plac...
The use of microwave is increasing day by day all over the world. Microwaves are used in mobile phones, microwave ovens, etc. Mobile or cellular phones are now an integral part of modern telecommunications. In many countries, over half the population use mobile or cellular phones and the market is growing rapidly. Researches are going on in various countries on the possible health effects of mi...
Stevenson, Bedford, Dolphin, Purrott, Lloyd, Hill, Hill, Gumpel, Williams, Scott, Ramsey, Bruckner, and Fearn (1973) reported that high chromosome aberration yields in lymphocytes were found in those patients treated with injections of 198Au or 90Y for rheumatoid conditions ofthe knee when radioactivity had leaked along the lymphatics to the inguinal lymph nodes. This leakage and the consequent...
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