含有较多钙、镁离子的水叫做硬水(hard water),不含或含较少钙、镁离子的水叫做软水(soft water)。水的硬度(也叫矿化度)是指溶解在水中的钙盐与镁盐含量
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硬水软化 water softening ; softening of water ; softening of water west bank
快硬水泥 rapid hardening cement ; ferrocrete ; quick hardening cement ; quick setting cement
硬水铝石 diaspore ; diasporite ; diaspore diasporite
水硬水泥 [建] hydraulic cement ; water cement
硬水母目 [无脊椎] Trachylina ; Trachymedusae ; Order Trachymedusae
硬水垢 hard scale
硬水母类 [无脊椎] Trachymedusae ; craspedote medusa
硬水软化法 water softeners
气硬水泥 [建] air hardening cement ; [建] anhydraulic cement ; Non-hydraulic cement ; Cement non-hydraulic
①Tc study the anti-fouling and inhibitiveness and its influencing factors by simulating hard water(make up water).
①通过摸拟硬水(配水)研究腐钠复合剂的阻垢和缓蚀性能及其影响因素。
参考来源 - 腐植酸钠复合水处理剂在烧碱蒸发循环冷却水中的应用·2,447,543篇论文数据，部分数据来源于NoteExpress
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