氮是什么意思_氮用英语怎么说_氮的翻译_氮翻译成_氮的中文意思_氮怎么读,氮的读音,氮的用法,氮的例句

Every tonne of coal contains, on average, 30 kilograms of nitrogen.

每吨煤平均含30公斤氮.

《简明英汉词典》

The plant requires nitrogen in order to make proteins.

植物需要氮以便制造蛋白质.

《现代汉英综合大词典》

What is the percentage of nitrogen in air?

空气中所含的氮的比例是多少?

《简明英汉词典》

Nitrogen is a gas without colour or smell.

氮是一种无色无臭的气体.

《简明英汉词典》

The faeces contain nitrogen and it is that which fertilises the desert soil.

粪便含氮，而正是氮可以肥化荒芜的土地。

柯林斯例句

Nitrogen is of paramount importance to life on earth.

氮对地球上的生命至关重要。

辞典例句

The amide nitrogen of glutamine or asparagine functions more effectively than ammonia.

谷酰胺或天门冬酰胺的酰胺氮作用较氨更有效.

辞典例句

Nitramines are substances which contain a nitro group bonded to nitrogen.

含有与氮原子相连的硝基的物质称为硝胺.

辞典例句

Many groups can be added by nucleophilic substitution on a diazonium salt.

许多基团可通过向得自胶的重氮盐作亲核取代而加以导入.

辞典例句

After harvesting the crops , he tested them for nitrogen content.

作物收获后, 他测定了作物中氮的含量.

辞典例句

Some commercial laboratories use periodic nitrate tests as guides.

许多商业性的试验室已应用定期的硝态氮分析作为指导.

辞典例句

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.

辞典例句

I was given gas when they pulled my tooth out.

给我拔牙时用了一氧化二氮.

辞典例句

In proteins, atoms of nitrogen are combined with carbon, hydrogen and oxygen atoms.

在蛋自质中, 氮原子与碳 、 氢、氧原子相化合.

辞典例句

Most, if not all fungi can dispense with inorganic sources.

即使不是全部亦是大多数真菌可省去无机氮源.

辞典例句