方法：依据《中国药典》相关标准并以电导率为指标，评价3种工艺制备的纯化水的水质；
METHODS:According to the relevant standards recorded in China Pharmacopoeia and electric conductivity, water quality of purified water manufactured by3kinds of techniques were evaluated.
采用高阻结合标准物质的方法解决了轻质油料电导率仪无法检定的问题。
The problem of verification for the conductivity meter of light fuel oil are resolved by using high resistance and the certified reference materials.
从电场均匀性方面来看，四种不同电导率材料的混响室，其电场均匀性均满足标准IEC61000 - 4 - 21的要求。
From the point of field uniformity, the field uniformity of reverberation chamber with each material can satisfy the requirement of Standard IEC61000-4-21.
论述研制轻质石油产品电导率仪检定系统的必要性，介绍各级检定标准装置的原理和检定方法。
This paper discusses an intelligent conductivity meter of which software and hardware disposition and the main points of their design, as well as the measuring principle are described in detail.
论述研制轻质石油产品电导率仪检定系统的必要性，介绍各级检定标准装置的原理和检定方法。
Test principle and typical application of measuring sonic cavitation effect with the conductance instrument are introduced in this paper.
论述研制轻质石油产品电导率仪检定系统的必要性，介绍各级检定标准装置的原理和检定方法。
Test principle and typical application of measuring sonic cavitation effect with the conductance instrument are introduced in this paper.
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