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- For measuring the basicity, calcium stiffness and total hardness, a new successively titrating way is recommended. 为工业循环冷却水中碱度、钙硬和总硬度的测定推荐了一种连续滴定的新方法。
- The major pollutants in Tarim River are chlorides, total hardness, mineralization degree, sulphate, fluoride, etc. 塔里木河的主要污染物为氯化物、总硬度、矿化度、硫酸盐、亚硝酸盐等。
- It is concluded that mineralization degree and total hardness are larg in northe... 分析评价结果为今后检验淮河流域片生态系统恢复程度提供了基础性资料。
- Major Inorganic Components: Sodium, potassium, chloride, calcium, magnesium, alkalinity, total hardness, total phosphorus, fluoride, sulphate. 主要无机成分：钠，钾，氯，钙，镁，碱度，总硬度，总磷，氟化物，硫酸盐
- The results show that the transport velocity of the total hardness is the biggest followed by sulfate radical radical, and sodion the lowest. 结果表明：总硬度的运移速度很快，硫酸根次之，而钠离子的运移速度最慢；
- The uncertainty of measurement for the determination of total hardness of drinking water by EDTA titration method was evaluated. 对乙二胺四乙酸二钠滴定法测定生活饮用水总硬度的测量不确定度进行评定。
- The problem of EBT indicator-method was found.out and K-B indicator-method to determinate the total hardness of water was put forward. 本文找出了EBT指示剂法存在问题的原因。
- The contents of total hardness and most of mineral elements in FTW and BTW were in approximation, but those in PW were at very low levels compared with the others. 自来水及净化水的矿物元素水平接近 ,但纯净水的绝大部分矿物元素水平明显低于自来水及净化水。
- Results There is a positive correlation between the con centration of water fluoride and that of the total alkalinity and a negative cor relation between the water fluoride and the total hardness and water iodine. 结果南水北调中线供水区水氟含量与水的硬度呈负相关，与水的总碱度、碘含量呈正相关。
- Namely, advection, mechanical dispersion and adsorption are the principal reasons of the transport of the total hardness, sulfate radical and sodion and play an vital role in the transport. 对流、水动力弥散和吸附作用是造成这三者运移的主要原因，对污染组分的运移起主要作用；
- Determination of total hardness in drinking water 水的总硬度的测定
- Analysis on Determining the Total Hardness of Water 关子测定水中总硬度的分析
- The mass rally was a total fiasco. 那次群众集会彻底失败。
- I must say the news comes as a total surprise. 我得说这个消息来得太突然了。
- Ten years was the sum total of my education. 我受教育的年限加起来共十年。
- My small contribution was lost in the grand total. 我的小小捐献在巨大的总额中小得几乎看不见。
- The ship was wrecked and became a total loss. 船只失事，一切都损失了。
- He swings from wild optimism to total despair. 他由极其乐观一变而为完全绝望。
- The angles of a triangle total 180. 三角形的三角之和等于180°。
- She professed total ignorance of the matter. 她自称对那事一无所知。
