衡量一个物质的酸碱性的方法是pH值的大小。
The way of measuring how acidic or alkaline a substance is a scale called pH.
纤维球滤料的使用寿命与运行环境有关，包括水的温度，酸碱性以及每天的处理水量。
The service life of the fiber ball filter is related to the operating environment, including water temperature, pH value and daily water treatment.
这些将为柠檬酸碱性镀铜的生产实践提供很好的指导。
Such data would be valuable for the process control and optimization during citrate alkaline copper-electroplating.
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