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-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...
The meaning of PERMANENT HARDNESS is the part of the total hardness of water that persists after boiling —distinguished from temporary hardness.
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 in water can damage piping, boilers as well as other pressurized systems. Hard water tends to form scale deposits that can cause clogging inside the pipe surfaces and other machinery. This type of precipitation is insoluble. ...
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, ...
Titanium Nanometal Titanium Permanent Coating is our top of the line product. The liquid turns into a 9H (pencil hardness) glass film when applied onto the surface. CS-II Titanium makes a thin protective layer which is superior in adhesive strength. With a high resistance to abrasion, it wi...
K-400-2 10H Permanent Coating - Nano Ceramic car body - hardness super hydrophobic - no water spots No reviews yet EASY COATING LLC.9 yrs Previous slideNext slide Previous slideNext slideKey attributes Industry-specific attributes Use car body Other attributes Type Other Place of Origin Taiwan,...
Spatial prediction of temporary and permanent hardness concentrations in groundwater based on chemistry parameters by artificial intelligencedoi:10.1007/s13762-023-04934-5Mousavi, M.Qaderi, F.Ahmadi, A.International Journal of Environmental Science & Technology (IJEST)...
The system of the invention is able to eliminate the permanent hardness and the temporary hardness of the concentrated brine, and the hardness can be reduced to equal to or less than 50 mg/L.Zehua LiMu LiuQiaoyun ZhangHuiming HanYuan Liu...