nitrogen造句

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.

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 nitrogen source's effects on the purification performance of air phase trickling biofilter are significant.
氮源对于气相生物滴滤床的净化效果有显著的影响.

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。

The nitrogen utilization efficiency were downtrend with the amount of topdressing increased.
随著施氮量增加,追施氮肥的利用率明显下降.

Will you sunder nitrogen from air?
你能从空气中把氮气分离出来 吗 ?

Method: 30 cases of keloid were treated with MEBO Scar Lotion after liquid nitrogen refrigeration.
方法: 对30例瘢痕疙瘩患者液氮冷冻后外涂美比欧疤痕平.

The calculated results showed that ZMS adsorbent adsorbs preferably oxygen to nitrogen.
实验结果表明,沸石分子筛吸附剂优先吸附氮.

The atmosphere consist of more than 70 % of nitrogen.
大气中含有70%以上的氮气.

What is the percentage of nitrogen in air?
空气中所含的氮的比例是多少?

In this paper , two unsaturated alicyclic nitrogen heterocyclic crownethers were synthesized by phase transfer reaction.
采用相转移催化反应合成了两个不饱和脂环氮杂冠醚.

The Atractylone in sample solution was kept stable in nitrogen.
样品溶液中的苍术酮经充氮气后保持稳定.

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.

Natural gas liquification involves both mixed - refrigerant cycle and nitrogen expander cycle.
近几年国内天然气液化技术主要采用混合工质液化循环和氮膨胀液化循环.

Every tonne of coal contains,on average,30 kilograms of nitrogen.
每吨煤平均含30公斤氮。

Purpose : To observe the therapeutic effect of squamous blepharitis treated with liquefacient nitrogen cryotherapy.
目的: 观察液氮冷冻治疗鳞屑性睑缘炎的临床疗效.

Many surgical complications and disease processes inhibit normal nitrogen anabolism.
许多外科并发症和疾病抑制正常的氮合成代谢.

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.

The plant requires nitrogen in order to make proteins.
植物需要氮以便制造蛋白质.

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.

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