兑水 发表于 2009-9-23 17:10:55

ASTM C 1493-2001 用差动衰减系统钝化-活化中子计数法对废物...

C1493-01 Standard Test Method for Non-Destructive Assay of Nuclear Material in Waste by Passive and Active Neutron Counting Using a Differential Die-Away System
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