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Nitrogen indene是什么意思？

Nitrogen indene

相关单词 Nitrogen indene

例句

Every tonne of coal contains,on average,30 kilograms of nitrogen. 每吨煤平均含30公斤氮。
Nitrogen is a gas without colour or smell. 氮是一种无色无臭的气体。
Urea is commonly used as the source of nitrogen in foliage sprays. 尿素作为氮素给源普遍地应用于叶面喷布.
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.
These bacteria break down nitrogen from the air into a form that legumes can use. 这些细菌能把空气中的氮气分解成豆科植物可利用的形式.
Will you sunder nitrogen from air? 你能从空气中把氮气分离出来吗 ?
Nitrogen trifluoride ( NF 3 ) is a toxic, colorless, odorless, nonflammable, oxidizing compressed gas. 三氟化氮 ( NF3 ) 是有毒、无色、无嗅、不可燃的氧化性压缩气体.
The plant requires nitrogen in order to make proteins. 植物需要氮以便制造蛋白质.
Every tonne of coal contains, on average, 30 kilograms of nitrogen. 每吨煤平均含30公斤氮.

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