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1·The EDTA was used as a masking agent. The boron can be directly detected without the process of separation.

研究了共存组份的干扰，采用EDTA掩蔽，不经分离可直接测定硼。

2·Methods Metal ions of two adicity were utilized as masking agent for the development of less-painful formulations.

方法利用二价金属离子对盐酸吡硫醇结构的掩蔽作用，制成无痛型注射液。

3·The relationship between the absorbency and the dosages of developer, and of the masking agent has been investigated.

考察了显色剂用量、掩蔽剂用量及显色时间与吸光度的关系。

4·By experimental verification, it has been found that the determining accuracy of calcium was improved by quantifying the content of masking agent.

实验结果表明，对干扰组分定量掩蔽，可提高测钙的准确度。

5·Experimental results show that after adding the ionic masking agent, effectively improve the copper powder antioxidant properties, and the main influence factors is the coated and mole ratio.

实验结果表明：离子掩蔽剂法制备的铜银双金属粉末具备了优良的抗氧化性能，其主要影响因素为包覆量及摩尔比。