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1)  water quality hardening
水质硬化
2)  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。
3)  water hardness
水质硬度;水硬度
4)  hydration and hardening
水化硬化
1.
Influence of Na_2C_2O_4 on hydration and hardening of anhydrite and its action mechanism
Na_2C_2O_4对硬石膏水化硬化的影响及作用机理
2.
The relation of the hydration and hardening process,the hydration production,the dynamics of hydration reaction,the percent conversion of reaction and the microstructure was discussed.
探讨了α TCP TTCP复合骨水泥的水化硬化过程、水化产物、水化反应动力学、反应转化率、硬化体微观结构等变化规律及强度变化的根本原因。
3.
Characteristics of hydration and hardening process and strength properties of class G oilwell cement pastes with and without sand were studied under different temperatures by XRD, SEM, static gel Strength analysis and penetrability test.
研究了G级油井水泥在不同温度条件下的水化硬化特点及强度性能 。
5)  hydrating and hardening
水化硬化
1.
By measuring the heat of hydration and the concentration change of phosphate ions during different ages of the cement paste, we study the hydrating and hardening mechanisms of magnesium phosphate cement.
通过测定磷酸镁水泥的水化热和水泥净浆不同龄期的磷酸根离子浓度的变化 ,探讨了磷酸镁水泥水化硬化机理 ,并借助 XRD、SEM等手段对磷酸镁水泥硬化体的微观结构进行了分析。
6)  hydration hardening
水化硬化
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。
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