水化学的意义 The significance of water chemistry
水的化学处理 chemical water treatment
地下水的化学成分 Chemical Component of Groundwater
水文地球化学的 hydrogeochemical
与水反应的化学药品 water-reactive chemical
地下水的化学成分特征 Chemical Characteristics of Groundwater
水科学与水化的皮肤 hydrated skin with Water Science
水族专用的化学盐 Aquarium Salt
水的化学势 water chemical potential
调查了胜利油田第三区油层排出水和原水样的微生物学和水化学的变化。
Microbiological and hydrochemical changes in water samples from the source and flooded petroleum horizons at the third area of Shengli Oil Field were examined.
它们的目标是清理主系统的水，提供分离的停止，冷却的功能，水化学，装料及容量控制，补充水。
They are aimed at either cleaning the water in the primary system, providing separate shutdown cooling functions, water chemistry, charging and volume control, makeup water.
我们让化学势相等，然后考察，当水中存在糖的时候，水化学势的变化，这可以严格做到。
We'll equate chemical potentials and we'll look at the change in the chemical potential in the water, and the presence of the sugar and we'll do it rigorously.
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