The effect of the contacting time, the pH of sewage, the amount and diameter of fly ash was studied.
探讨了接触时间、污水酸度、粉煤灰用量、粉煤灰粒径等因素对处理效果的影响。
Pretreatmented solution is subjected to double precipitation first with ammonium bicarbonate and then with oxalic acid to obtain pure RE. Precipitating ratio, PH and amount of …
控制沉淀比、酸度和硫酸铵含量等条件，都可提高稀土纯度，且适合于处理各种料液。
It is verified that ph ase separation of trace amount of water in the organic solvent is the most possible course of vacuole formation.
实验证明，气泡主要是由于有机溶剂中微量水的微相分离造成的。
Rather than discouraging me with the tremendous amount of work and demands for creativity, my college years motivated me to earn a Ph. D. and to continue pursuing a career as a research scientist.
大量的工作和对于创造力的需要并没有使我退缩，反而激发了我要去获取博士学位并以科学家作为职业。
Study the best PH and the drug amount of chitosan treatment ceramic wastewater.
本文对壳聚糖处理陶瓷废水的最佳pH、最佳投药量进行了探讨。
Methods: the effects of carbon source, ph, chlorpyrifos concentration on the ability of degradation and the fungi growth amount were determined by ultraviolet spectrophotometry and gravimetric method.
方法用紫外分光光度法和总量法测定了外加碳源浓度、初始ph值、乐斯本浓度对真菌的降解能力和生长量的影响。
In producing Mn Si alloys with hot furnace, feeding ratio of s? Mn is regulated, and slag amount and pH value are controled.
介绍了电炉生产锰硅合金时，合金中硫含量随所用原料硫含量变化的情况。
A cationic adhesive-type natamycin nanometer eye drop comprises natamycin, a proper amount of osmoregulator and pH regulator.
一种阳离子黏附型那他霉素纳米滴眼液。
A cationic adhesive-type natamycin nanometer eye drop comprises natamycin, a proper amount of osmoregulator and pH regulator.
一种阳离子黏附型那他霉素纳米滴眼液。
应用推荐