radiation exposure state 中文意思是什麼
radiation exposure state
解釋
放射性照射狀態-
Compared with the destructive assay ( da ), nda has some obvious advantages : it is easy to make measurement automatically without sampling and changing the physical and chemical state of nuclear material, low cost, less operator exposure of radiation, much faster than chemical analysis and no hazards and wastes generated
與化學分析即破壞性分析( da : destructiveanalysis )相比, nda分析具有不破壞樣品、容易實現自動化、快速、簡便、費用低廉和不產生放射性廢物等優點。 nda核標準樣品的制備既費錢又費時。
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