氮的的例句（氮的在句子中的用法）

• Nodule bacteria are very good at biological nitrogen fixation. 根瘤菌是生物固氮的能手.
• The effect of nitrogen can be overcome by sheathing the flame in argon. 氮的影响则可以通过用氩气包覆火焰而予以克服.
• What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
• Non - basic nitrogen - containing series include pyrroles, indoles, carbazoles and benzcarbazoles. 不含碱性氮的化合物包括吡咯 、 吲哚 、 咔唑和苯咔唑.
• Nitrogen supply largely controls the growth and fruiting of most plants. 氮的供应密切地关系到绝大多数植物的生长与结果.
• The basic principles, current situation and trend of urban sewage biological denitrogenation are introduced. 本文介绍了城市污水生物脱氮的基本原理, 研究现状和进展.
• Curbing nitrous oxide emissions would enhance the ozone layer's recovery. 抑制氧化亚氮的排放将会促进臭氧层的恢复.
• It is possible to harness the versatile chemical properties of cyanogen azide. 氰化叠氮的灵活多变的化学性质是可控制的.
• Adenine A nitrogenous base ( 6 - amino - purine ) found in DNA and RNA. 腺嘌呤:在DNA和RNA中发现的含氮的碱基 ( 6 - 氨基嘌呤 ).