On the basis of a detail analysis and discussion of the existing methods of arsenic removal, a new method based on the theory of ligand exchange was discussed to remove arsenic.
在对已有的除砷方法进行分析、研究、探讨的基础上，提出了一种基于配体交换原理的固液分离除砷方法。
The chapter introduces the conventional purchase methods and then puts the emphasis on the discussion about the quantitative analysis by using the fuzzy mathematical theory.
本章介绍了常用的医疗设备采购方式，重点研究了医疗设各采购的模糊数学定量分析方法。
In this paper, the necessary discussion and extension are made on the standardized definite integral definition of joint probability of neighborhood theory in direct methods of X-ray crystallography.
对X光晶体学直接法中的毗邻理论联合概率标准化定积分的定义做了必要的讨论和扩充。
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