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一起１３７Ｃｓ放射源野外测井失落事故的处理贵州省黔东南州卫生防疫站（５５６０００）杨仲民某地质矿产普查大队于１９９０年１２月２４日在凯里市虎庄乡大坝村一矿井（井深３５０６．６ｍ）使用装有１３７Ｃｓ放射源的器具测井时，因操作不慎将一枚直径为４×５ｃｍ的...
A 137Cs radioactive field logging failure accident treatment Guizhou Qiandongnan Prefecture Health and Epidemic Prevention Station (556000) Yang Zhongmin Geological and Mineral Resources Census Brigade on December 24, 1990 in Kaili Township, a village dam (well depth 3506 .6m) When using a device equipped with a 137Cs radioactive source logging, due to inadvertent operation will be a diameter of 4 × 5cm ...