biological wastewater treatment 废水生物处理 ; 污水生物处理 biological pre treatment 生物预处理 sewage biological chemical treatment 污水生化处理 ..
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biological pre-treatment 生物预处理
biological pre - treatment 生物预处理
aerobic biological pre-treatment 好氧生物预处理
The pre-treatment of them before conventional cyanide leaching includes roast, chemical oxidation and biological oxidation.
在传统氰化浸出之前进行的预处理过程包括焙烧，化学氧化和生物氧化。
The experiment results show that the new method is a simple and efficient method for direct detection of trace drug, toxicant and their metabolites in biological samples without sample pre-treatment.
实验结果表明，该法是一种简便、有效、不需进行样品预处理而可直接对生物样品中药物和毒物进行检测的方法。
The real effect the Hydraulic load does for the effect of water biological pre-treatment by elastic packing.
水力负荷的大小对于弹性填料生物预处理净化水质的效果随不同项目有不同的影响。
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