氮的

Needed for growth, intelligence development and nitrogen balance within the body.

人体成长必须元素，帮助脑力成长及人体氮的平衡。

The concentration of nitrogen dioxide in Beijings air was reduced by an average of 20 per cent.

北京空气中二氧化氮的含量平均降低了20%。

"Like most other cyanobacteria, nostocs contain two pigment s and are capable of nitrogen fixation."

与大多数蓝绿藻一样，念珠藻属含有两种色素，并有固定氮的能力。

"Like most other cyanobacteria, nostocs contain two pigments and are capable of nitrogen fixation."

与大多数蓝绿藻一样，念珠藻属含有两种色素，并有固定氮的能力。

Mycorhizae perform the function of nitrogen fixation and storage.

菌根起着固氮和贮氮的作用。

Britain has agreed to cut emissions of nitrogen oxide from power stations.

英国同意减少热电厂氧化氮的排放。

And that's where we're getting the nitrogen.

这也就是这些氮的来源。

The maximal absorption band could be assigned mainly to intra-ligand charge transfer transition character. It mostly originated from transitions starting from the phenoxide side containing chlorine to pyridyl side.

最大吸收主要来自配体内电荷转移跃迁，电荷从苯酚环和氯向含氮的吡啶环跃迁。

More specifically, essential oils help reduce methane and ammonia and increase fatty acid propionate.

更具体得说，必需脂肪酸有助于降低甲烷和氮的排放量，增加脂肪酸、丙酸

Urinary excretion of purine derivatives was used as an index of the supply of microbial N to the animal.

用尿液嘌呤衍生物总量作为供给宿主动物微生物氮的指标。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。