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座落在华盛顿州里奇兰的美能源部(DOE)的太平洋西北实验室(PNL)发明了一种在核场地附近测量污染状况的轻便探测器——β闪烁体传感器,其原理是在存在放射性铀和锶的情况下塑料纤维便发光。用该仪器测量铀-238和锶-90的量仅需几分钟,只是它不能分辨这两种同位素。 PNL的核化学家Alan Schilk说:“受污染的土壤通常送往场外实验室,花几周时间处理每个样品,而分析一个样品需花费几百或几千美元。现在,我们可以把仪器带到现
The Pacific Northwest Laboratory (DOL) Pacific Northwest Laboratory (PNL), located in Richland, Wash., Invented a lightweight detector called beta scintillator sensor that measures contamination near nuclear sites by the principle that in the presence of Plastic fibers glow with radioactive uranium and strontium. The instrument measures uranium-238 and strontium-90 in only a few minutes, except that it can not distinguish between the two isotopes. Alan Schilk, PNL’s nuclear chemist, said: "Contaminated soils are often sent to off-site labs and spent weeks treating each sample, which can cost hundreds or thousands of dollars to analyze a sample. Now we can put the instruments Take it to the present