نتایج جستجو برای: biological effects radiation
تعداد نتایج: 2135498 فیلتر نتایج به سال:
Medical application of radiation began a few months after the discovery of X-rays by the German physicist Wilhelm Conrad Röntgen more than 100 years ago. The harmful biological effects of ionizing radiation became apparent shortly after its utilization. Since 1920, health professionals in contact with radiation have worn lead protective clothing to reduce the harmful effects of ionizing radiati...
in order to evaluate radiation capture and use efficiency and productivity in sole and intercropping of three crops, rapeseed (brassica napus l.), bean (phaseolus vulgaris l.) and corn (zea mays l.), an experiment was conducted in mashhad region during the growing season of 2007-2008. in this study six treatments including three sole cropping of the crops (rapeseed sown in 22 september 2007, co...
I radiation from external sources, and the biological effects of such radiation, have been studied for more than a century. While acute health effects (e.g., burns, nausea, hair loss, bleeding, etc.) occur only at high-dose exposures, various official radiation commissions [1,2] now generally accept that delayed detriment due to mutations in the cellular DNA has been established at low doses, d...
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