Ojogbon Aoyama lati Ile-ẹkọ giga Yunifasiti ti Fukushima ti Radioactivity Environmental royin pe 800 tera Bq (800,000,000,000,000 Bq) ti Cesium-137 yoo de Iwọ-oorun Iwọ-oorun ti Ariwa America nipasẹ ọdun 2016. Iye lati de ọdọ awọn nuclides miiran bii Cs-134 ati awọn nuclides miiran ko kede ni ifowosi ...
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