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以 2 3 6Pu作产额示踪剂测定了 6 0 0多个土壤样品中 2 3 8Pu分析的全程化学产额 ,其产额值呈正态分布 ,最可几产额值为 0 .4 8,标准偏差为 0 .2 0。采用示踪法进行全程化学产额校正比用预定化学产额值 0 .70进行化学产额校正所产生的误差小得多
The total chemical yield of 2 38 Pu in more than 600 soil samples was determined with 2 36 Pu as a yield tracer. The yield value was normal distribution, and the most probable output value was 0.48 , The standard deviation is 0.2. The use of tracer method for the whole chemical yield correction than the predetermined chemical value of 0.70 chemical yield correction produced much smaller error