Prọfesọ Aoyama sitere na Fukushima University Institute of Environmental Radioactivity kwuru na 800 tera Bq (800,000,000,000,000 Bq) nke Cesium-137 ga-erute West Coast nke North America site na 2016. Ego iji rute nuclides ndị ọzọ dịka Cs-134 na nuclides ndị ọzọ. anaghị ekwupụta ọkwa ...
GỤKWUO