نتایج جستجو برای: 90sr و 137cs
تعداد نتایج: 762050 فیلتر نتایج به سال:
During 1997-2007 we studied distribution and dynamics of main radionuclides and their biological significance in lake ecosystems within the 10-km inner exclusion zone around the destroyed unit of the Chernobyl nuclear power plant. The main objects of our studies were bottom sediments, water, seston, and different species of hydrobionts from Azbuchin Lake, Dalekoye-1 Lake and Glubokoye Lake. Sel...
Amchitka Island (51degrees N lat, 179 degrees E long) was the site of three underground nuclear tests from 1965-1971. There have been no substantive studies of radionuclides in marine fishes and birds in the area since the mid-1970's. In this study, levels of 60Co, 52Eu, 90Sr, 99Tc, 129I, 137Cs, and the actinides (241Am, 238Pu, 239,240Pu, 234U, 235U, 236U, and 238U) were studied in ten marine f...
We investigated Ocean sediments and seawater from inside the Fukushima exclusion zone and found radiocesium (134Cs and 137Cs) up to 800 Bq kg-1 as well as 90Sr up to 5.6 Bq kg-1. This is one of the first reports on radiostrontium in sea sediments from the Fukushima exclusion zone. Seawater exhibited contamination levels up to 5.3 Bq kg-1 radiocesium. Tap water from Tokyo from weeks after the ac...
شور و داوم اه : ،یبرجت همین قیقحت نیا رد 28 نیماتیو ،نیرمت ،لرتنک هورگ راهچ هب یفداصت روط هب و باختنا قاچ رتخد C یبیکرت و دندش میسقت . نیرمت تدش اب يزاوه 50 ات 70 ،رثکادح بلق نابرض دصرد 3 تدم هب و هتفه رد هسلج 8 هتفه دش ماجنا . هورگ ياه نیماتیو C و صرق یبیکرت 500 یلیم نیماتیو یمرگ C ار 3 فرصم هتفه رد راب دندومن . هنومن و لبق اتشان ینوخ ياه 48 هلخادم نیرخآ زا سپ تعاس اه عم...
ABSTRACT Background: Measures to protect the public following an accidental release of radionuclides to the environment will depend on the circumstances including the extent of the potential hazards. The projected levels of risk are an important precondition in emergency planning. The levels can be expressed in terms of concentration levels in the environment o...
تاسياقلما فلتخم ىلع ءوضلا ضعب ءاقلإ تم ةعجارلما هذه يف دضتسلماب دضلا تلاعافت ىلع دمتعت يتلا ةموسولما ةيعانلما ةيعانلما و ،ةيقلأتلا ةيعانلما تاسايقلما لمشت يتلاو Ag-Ab هذه فيرعت تم .)EIA, ELISA( ةييمزنلإا ةيعانلما و ،ةيعاعشلا و تلاعافتلا أدبلم رصتخم فصو عم لًاوأ ةثلاثلا تاسياقلما اهروطت حيضوتل يخيراتلا جردتلا بسح تشقون مث ،تاقيبطتلا امك .لماك لكشب ةيلآ ةينقت ىلإ ةياهنلا يف داق يذلا يجيردتلا ةخطلل...
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