本文就是根据地下水的诸多杂质含量的实测数据，用模糊数学的方法评价地下水的污染程度，判定水质等级的一种尝试。
Based on the measured contents of multiple impurities of groundwater, this paper attempts to use fuzzy mathematical method to evaluate the pollution of groundwater and to determine the water quality.
本文介绍了利用氨法处理杂质成分复杂的某大型冶炼厂炼铅系统烟化炉氧化锌烟灰制备高等级氧化锌的工艺。
The paper introduces the ammonia process of producing high-grade zinc oxide from impurities zinc oxide dust which produced by the smoked stoves in a large internal smelter.
本文介绍了利用氨法处理杂质成分复杂的某大型冶炼厂炼铅系统烟化炉氧化锌烟灰制备高等级氧化锌的工艺。
The paper introduces the ammonia process of producing high-grade zinc oxide from impurities zinc oxide dust which produced by the smoked stoves in a large internal smelter.
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