total hardness of water 英[ˈtəutəl ˈhɑ:dnɪs ɔv ˈwɔ:tə] 美[ˈtotl ˈhɑrdnɪs ʌv ˈwɔtɚ] 释义 水的总硬度 实用场景例句 全部 Uncertain degree is evaluated to adopt EDTA titrimetric law to measure total hardness of water quality. 采用EDTA滴定法...
Testing the Total Hardness of Water with the Spectrophotometric Determination Method 分光光度法测定水的总硬度 ilib.cn 2. Analysis on Determining the Total Hardness of Water 关子测定水中总硬度的分析 service.ilib.cn 3. Uncertain Evaluation of Degree of the Measurement of Total Hardness of Water 水中...
aIn order to make hard water with a total hardness equivalent to 1000 ppm, 0.01 M CaCl2 and 0.02 M NaHCO3 were mixed and dissolved in tap water. 为了做硬水以总坚硬相当于1000 ppm, 0.01 M氯化钙和0.02 M NaHCO3是混杂和溶化在自来水。[translate]...
Hardness generally is less important than alkalinity as a biological factor, but it is quite important in water supply and use. High concentrations of calcium and magnesium in water containing appreciable alkalinity lead to scale formation when the water is heated or its pH increases. This leads ...
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[Objective]To understand the change of total hardness of urban drinking water in Wuhan City from 2011-2017,analyze its variation and distribution,and provide scientific basis for relevant departments.[Methods]The data were derived from the laboratory system of Wuhan Center for Disease Control and Pre...
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Product name:Total Hardness Water Test Strips;Application:drinking water,spa, pool,aquarium water;Certification:CE;advantage:Anti--VC;Accuracy:99%;Material:PVC;Specification:50/100 Strips;package:Standard or OEM package;Test time:30s;MOQ:10 pcs;Customize
20ml现货 原价:¥78.90 +- 大包装询价添加到收藏夹比较SDS中文版DATASHEET 查看相关系列 标液 Skip to the end of the images gallery Skip to the beginning of the images gallery 基本描述 规格或纯度分析标准品, in 1.2mmol/L 英文名称Water quality total hardness standard ...
Identification and Confirmation of Quantitative Trait Loci Associated with Soybean Seed Hardness Food-grade soybeans [Glycine max (L.) Merr.] have specific seed quality requirements, such as seed texture and hardness. Cooked seed hardness is important for soyfood such as natto and edamame, where ...