在现有工艺条件下，精制氯化铵母液循环使用必有其限度，以此决定母液循环使用的周期性，并推导出母液循环周期的定量表达式，为其污染控制和现场环境执法提供便利。
Under present process condition, the reuse of mother liquor from industrial ammonium chloride has a limitation that determined the cycle period of the reuse of mother liquor.
论述磷酸二铵产品中的物相组成，并对其含量进行定量估算，计算值与产品的实际检测结果很接近。
The physical forms in diammonium phosphate are examined and their contents are quantitatively estimated. The calculated results show quite near to the actual analysis.
论述磷酸二铵产品中的物相组成，并对其含量进行定量估算，计算值与产品的实际检测结果很接近。
The physical forms in diammonium phosphate are examined and their contents are quantitatively estimated. The calculated results show quite near to the actual analysis.
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