fixed nitrogen [化学] 固定氮 ; 化合氮
bacillus nitrogen-fixed 芽孢杆菌固氮菌株
transfer of nitrogen fixed 氮的转移
quantification of nitrogen fixed 固氮量
fixed nitrogen fertilizer 固定氮肥
synthetic fixed nitrogen 合成固定氮
total fixed nitrogen 固定氮总量
Nitrogen fixed by legume root nodules accounts for 40% of total biological nitrogen fixation.
豆科植物的根瘤固氮占生物固氮总量的40%。
The nitrogen Deoxo Vessel contains a fixed bed of free copper catalyst which removes oxygen from the nitrogen stream by oxidation of copper to copper oxides.
氮气脱氧罐中装有一个游离铜催化剂的固定床，通过将铜氧化成氧化铜把氧气从氮气中脱除。
Results show that four major influence factors of pulverized coals NO static emission amount are carbon content, fixed carbon content, nitrogen content and ash content respectively.
结果表明：影响煤粉NO静态排放量的四个主要因素依次为：碳含量、固定碳含量、氮含量、灰分含量。
应用推荐