... fecal index 粪便指数[根据粪便三拇指示剂的多少来间接计较干物质消化率的指数] fecal nitrogen 粪氮 feces eating 食粪癖 ...
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metabolic fecal nitrogen 代谢粪中氮 ; 粪代谢氮
total fecal nitrogen 总粪氮
MFN metabolic fecal nitrogen 粪中代谢性氮
metabolic fecal nitrogen mfn 椿粪氮
Regarding to the high concentrations of nitrogen, phosphorus and organic matters in fecal sewage, the productive research on treatment of fecal sewage by biological/chemical process was performed.
针对粪便污水的氮、磷和有机物浓度高的特点，开展了生物—化学工艺处理粪便污水的生产性试验研究。
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