pH scale

The influences of scale inhibitor concentration, antiscaling time and temperature, NaCl concentration, and pH value on the efficiency of the inhibitor FX were studied.

考察了防垢剂加量、防垢时间、温度、氯化钠含量、体系pH值对高含钡地层条件下硫酸钡垢防垢效果的影响。

By comparing and analyzing the acidity of solution pH scale 、 acid function H0 scale 、 AG scale. Therefore, it is suggested that AG should be substituted for pH, and some research and discussions have been made.

通过对溶液酸度的pH标度、酸度函数H0、AG标度的比较分析，提出用酸度AG代替pH，并进行了一些探讨。

The aggregation behaviors of fish scale collagen at different concentration, temperature and pH were studied by AFM.

用原子力显微镜（AFM）考察了样品质量浓度、溶液pH及温度对鱼鳞胶原蛋白溶液聚集态的影响。

Scale , stop-clock, laboratory balance, thermometer, pH meter.

尺规,计时器, 电子秤, 温度计, 酸碱度计.

For synthesis PHPMA product, its scale inhibition properties was experimentally investigated in different dosage of agent, value of PH, and concentration of calcium ion.

考察了合成的PHPMA产品在不同的药剂用量、PH值、钙离子浓度等条件下的阻垢性能。