After adjustment and operation, it can be seen that the PH value control system of soft water treatment is stable and reliable and the algorithm of controller can meet all the requirements of control.

经现场调试及生产运行表明，软水处理PH值控制系统工作稳定可靠，控制器算法能满足各项控制要求。

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Efficacy: remove makeup dirt gently and effectively, control oil on the skin, balance the PH value, make your skin fresh, tender, smooth and non-greasy.

功效：能温和、有效清除污垢，控制皮肤油份，平衡PH值，使皮肤清爽、细嫩、光滑而不油腻。

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The nursery regularly (3-5 years) measured in the soil improved soil properties, soil water control, fertilizer and the pH value changes, provide the basis for scientific fertilization.

苗圃要定期(3 - 5年一次)在土壤改良后测定土壤理化性质，掌握土壤的水、肥和pH值的变化情况，为科学施肥提供依据。

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