含氯量和孔隙度之间的关系图式也许近似于一条双曲线。
The relation between the chlorinity and porosity may be approximated by a hyperbola.
目的对含氯消毒剂中有效氯含量测量不确定度进行系统研究，为有效氯含量测定的质量控制提供依据。
Objective Systematic uncertainty study of valid chlorine measurement in chlorine disinfectant were made so as to improve quality control of valid chlorine measurement.
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