英语语法分析

Methods The concentration of chlorine dioxide was determined by propandioic acid-iodometry and five-step iodometry.

方法采用丙二酸碘量法与五步碘量法测定二氧化氯含量，采用悬液定量杀菌试验方法进行杀菌效果评价。

This paper uses iodometry to measure solubility product of calcium iodate. Themethod is very simple, and the result is satisfactory.

采用碘量法测定碘酸钙溶度积常数，方法十分简单，测定结果满意．。

Objective to improve five-step iodometry method for measuring chlorine dioxide in order to measure chlorine dioxide in disinfectants more accurately.

目的改进五步碘量法对二氧化氯测定方法，以便更准确地检测消毒剂中二氧化氯含量。