氮的

Amino acids are involved in protein synthesis and in maintaining nitrogen balance in the body, thus aids muscle recovery

氨基酸是蛋白质合成及维持体内氮的平衡，使肌肉恢复的主要物质

Carbon dioxide and nitrogen are non-combustible gases present in the producer gas.

二氧化碳和氮的非物质燃气目前的可燃气体。

The emissions are of great concern, and attempts have been made to reduce discharge of sulfur dioxide and nitrogen oxide.

人们关心排放量的问题，而且已经开始多方努力减少二氧化硫和氧化氮的排放量。

What is the percentage of nitrogen in air?

空气中所含的氮的比例是多少？

They also are the source of 65 percent of human-induced nitrous oxide, the great majority from manure.

它们也占人为因素引起的氧化亚氮的65 ％，绝大部份来自这些农养动物之粪便。

Livestock farming accounts for 9 percent of all global CO2 emissions from human activity, and 65 percent of the nitrous oxide .

所有的9人类活动全球二氧化碳排放量百分之占畜牧业生产，和65的一氧化二氮的百分之。

A nonnitrogenous food substance consisting chiefly of starch; any substance resembling starch .

一种不含氮的食物，主要由淀粉组成；任何类似淀粉的物质。

Application of biodesulfurization and biodenitrogenization in petrochemistry were reviewed.The prospects and trends of upgrading fossil fuels by microorganisms were outlined.

主要介绍了近年来微生物在石油化工中生化脱硫和生化脱氮的应用，并阐述了微生物在改良化石燃料的应用前景及研究方向。

The results suggest that the electronic π-π* transitions in AlQ_3 are localized on the quinolate ligands; the transition from a phenoxide donor to a pyridyl acceptor includes C→C and O→N transferences. There hardly is any relation to the metal aluminum.

结果表明，电子从基态跃迁到低激发态时主要为π-π*跃迁；电荷从含氧的苯酚环转移至含氮的吡啶环上，包括两环之间 C→ C转移和 O→ N转移，与金属离子关系不大。

Commercially available pokeweed mitogen has been reported to activate macrophages, leading to production of proinflammatory cytokines and nitric oxide.

商业上使用的美洲商陆丝分裂原被报道能激活巨噬细胞，导致炎症前细胞因子和一氧化氮的产生。

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。