To solve the question regarding the removal of permanent hardness in water, we can follow these steps:1. Understanding Permanent Hardness: - Permanent hardness in water is primarily caused by the presence of dissolved calci
permanent hard water 永久硬水 permanent memory permanent storage 永久性存储器 dry hardness 干态硬度 相似单词 hardness n.[U] 坚硬,困难,严厉,勇气 Permanent a. 永久的,不变的,固定的,持久的 n. 电烫的头发 a. 永久的 permanent adj. 1. 永久的,永恒的,长久的,长期的 2. 不大可能改变的 n...
Permanent hardness definition: hardness of water that cannot be removed by boiling as it results mainly from the presence of calcium and magnesium chlorides and sulphates. See examples of PERMANENT HARDNESS used in a sentence.
permanent-hardness-of-water网络水的永久硬度网络释义 1. 水的永久硬度 为永久硬度,permanent... ... ) permanent hardness of water 永久硬度 ) permanent hardness of water 水的永久硬度 ... www.dictall.com|基于1 个网页© 2024 Microsoft 隐私声明和 Cookie 法律声明 广告 帮助 反馈...
Temporary hardness is less detrimental because it can be eliminated through boiling. However, permanent hardness can be removed only by means of chemical treatment. Permanent hardness in water can damage piping, boilers as well as other pressurized systems. Hard water tends to form scale deposits th...
Define permanent hardness. permanent hardness synonyms, permanent hardness pronunciation, permanent hardness translation, English dictionary definition of permanent hardness. n chem hardness of water that cannot be removed by boiling as it results mainly
Any remaining solid that does not settle can be removed using a filtration process. This method of treating hard water is known as Clark's process. 5. Conclusion: The treatment of permanent hard water with slaked lime effectively removes hardness by precipitating calcium carbonate and magnesium ...
An emulsion of polyvinyl acetate used for starching clothing and textiles; it is not removed by washing.McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc. Want to thank TFD for its existence? Tell a friend about us, add a link...
B.B r ur, R.E e , T.Făr uş , L.L zăr, L.Llgariu and Gh.Gutt, Use of strong acid resin purolite C100E for removing permanent hardness of water -factors affecting cationic exchange capacity, chemistry& chemical engineering, Biotechnology, food industry, Food Industry, Vol 13, ...
4) permanent hardness of water 永久硬度5) permanent hardness 为永久硬度6) permanent hardness 永久硬度<冶>补充资料:为永久硬度 分子式:CAS号:性质:又称为永久硬度。由硫酸钙、氯化钙等微溶于水,加热水时不产生沉淀的无机化合物构成的水硬度。 说明:补充资料仅用于学习参考,请勿用于其它任何用途。