常見(jiàn)例句雙語(yǔ)例句The mature process of nitrate bacteria in a new mariune aquarium system has been studied.研究了新建海水水族箱系統(tǒng)中硝化細(xì)菌的成熟過(guò)程。The hygienic indicators of coliform bacteria, nitrate, nitrite, ammonia have no significant change.飲用中桶裝礦泉水衛(wèi)生質(zhì)量變化的指標(biāo)主要為菌落總數(shù)。Objective To study the community of denitrifying bacteria and nitrate-nitrogen removal in downflow fixed-bed bioreactor.目的研究下流式固定床反應(yīng)器的脫氮效果及反硝化細(xì)菌群落結(jié)構(gòu)。權(quán)威例句Then anaerobic bacteria take that nitrate and turn it into harmless nitrogen gas.FORBES: Page 2 of 2Aerobic bacteria chew up the ammonia and turn it first into nitride and then to nitrate.FORBES: Magazine Article 返回 nitrate bacteria