1) water hardness
水质硬度
1.
Effects of water hardness on the dispersion of fine coal and kaolinite in coal slurry;
水质硬度对煤泥水中煤和高岭石颗粒分散行为的影响
2.
by adding Magnesium Chloride to slurry for improving water hardness,and solving the problem about the lower slurry water hardness causing the increase of concentrating machine overflowed fine slime,long cycle of pressure filtering machine prolonged,increasing input and output material time of filter press,and the slightness of thickener clear aqueous layer.
介绍了双鸭山矿业集团选煤厂在煤泥水中加入氯化镁提高水质硬度,成功解决了因煤泥水硬度降低,导致浓缩机溢流细泥含量增加、加压过滤机排料周期过长、压滤机冲料与放料时间增加、浓缩机澄清水层薄的经验,并总结出煤泥水硬度的变化对浮选脱水设备产生的直接影响。
3.
It was measured that coal slurry concentration、granular fraction distribution、ζ-potential、pH value、water hardness、sludge surface element composition、function group and wetting quality with such characteristic methods as XRD, IR, XPS, pH meter, Electrophoresis analyzer, Spectrophotometer, Contact angle analyzer, Laser particle size analyzer, Ion Chromatography, Nephelometer, and so on.
从溶液化学的角度,研究了水质硬度、pH值、ζ电位、凝聚剂等对颗粒凝聚的影响及煤泥絮凝沉降的规律。
2) water hardness
水质硬度;水硬度
3) total hardness of the ground water quality
水质总硬度
1.
Comparison test of total hardness of the ground water quality by robust statistical techniques
稳健统计法在水质总硬度检测比对中的应用
4) hardimeter
水质硬度测试器
5) water quality hardening
水质硬化
6) vireosity
角质硬度
补充资料：地下水水质测定(见水质测验)
地下水水质测定(见水质测验)
dixiashui shulzhi eeding地下水水质测定见水质测验。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条