总硬度:指一类混合物体中各种物体硬度的总和。 一般指水体总硬度。
UP总硬度(General Hardness)测试剂以最简易的方式,在最短的时间内就可以轻松判读出水中的总硬度值,提供玩家一个正确的水质依据,来建立一个最正确的水质环...
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采用EDTA滴定法测定水质总硬度的测量不确定度评定。
Uncertain degree is evaluated to adopt EDTA titrimetric law to measure total hardness of water quality.
总硬度和总固体与硝酸盐氮呈显著正相关,与氨氮未表现出相关关系。
Total hardness and total solids appear positive correlation with nitrate, but no correlation with ammonium.
本文试用灰色关联分析方法,找出影响总硬度的主要因素,分析成因机理。
This article attempts to use grey correlation analysis method to identify the main factors affecting total hardness, and to analyze its genetic mechanisms.
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