... 间接法;indirect method 直接法氧化锌;direct process zinc oxide;American proces…… 理论需氧量;theoretical oxygen demand;ThOD ...
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direct process zinc oxide
直接法氧化锌
以上为机器翻译结果,长、整句建议使用 人工翻译 。
Direct preparation of grade zinc oxide from zinc oxide ores or zinc bearing materials by using ammonium sulfate and ammonia leaching process has been described.
介绍了硫酸铵氨络合浸出法直接由矿物原料制取等级氧化锌新工艺。
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