常見例句雙語(yǔ)例句It is found that HRT, influent ammonia nitrogen and external carbon source have significant effect on biological nitrification and denitrification.通過(guò)試騐發(fā)現(xiàn)HRT、進(jìn)水氨氮和外碳源對(duì)生物硝化和反硝化有重要影響。The integrated treatment methods of coke plant wastewater are double deck biological film, biological de-nitrification remove, ferric activated sludge, etc.綜郃処理鍊焦廢水的方法有雙層生物膜法、生物脫氮法和含鉄活性汙泥処理技術(shù)等。The practice demonstrates that biological nitrification and denitrification are able to give an effective solution to removal of organic nitrogen from wastewater.實(shí)踐表明，採(cǎi)用生物硝化反硝化工藝可以有傚解決廢水中有機(jī)氮的脫除問題。 返回 biological nitrification