含氮的

Larvae survived and grew very well on foliage of Catharanthus roseus L.; but all larvae died when fed foliage of Allamanda cathartica L.; Chemical analysis also revealed that foliar nitrogen content differed significantly among plant species.

化学分析也发现植物化学物质的含量在这三种植物之间相差很显著，尤其是含氮量，在三种树叶上的含量都不一样。

Polyketone STCO, a special Ecomaterial, poly (1-oxo-2-phentrimethylene), was prepared by the precipitation copolymerization of CO with ST in the presence of catalysts composed of palladium acetate, bident ligand of 2, 2′-bipyridine, strong acid, p-benzoquinone etc.

利用乙酸钯、含氮双齿配体、强酸、对苯二醌等组成的催化体系催化苯乙烯和一氧化碳的沉淀共聚反应，合成出环境友好材料聚酮STCO—聚（1-氧代-2-苯基丙撑）。

The active layer in MEEF composed of the granular material from plants, where earthworms act as declogger, decomposer and facilitating a nitrification-denitrification process within the biofilm.

蚯蚓在滤床中起分解和利用污水和污泥中的有机物和营养物质、清通滤床以及促进含氮物质的硝化与反硝化作用。

Any of a group of organic compounds of nitrogen, such as ethylamine, C2H5NH2, that may be considered ammonia derivatives in which one or more hydrogen atoms have been replaced by a hydrocarbon radical.

胺一组被认为是氨之衍生物的含氮有机化合物中一种，如乙胺，c2h5nh2，其中一个或一个以上的氢原子被烃基所取代

It can greatly promote carcinogenesis. DNA diluted alkali firer proves N-nitroso compounds induce the crosslinking between complementary DNA base pairs and initiate cell cancerization.

DNA城稀释过滤法证明，N-亚硝基化合物含氮杂环化借诱发DNA互补碱对之间的交联而启动细胞的癌变。

This is a new development after the discovery of the protonolysis of the C-Pd bond in the presence of halide ions and β-heteroatom elimination in presence of nitrogen-containing ligands in our group.

这是我们小组继发现卤离子效应下质子解淬灭C-Pd键，以及含氮配体下β-杂原子消除再生两价钯的研究后，又一新的进展。

The experiments of series thermal analysis point out that this kind of plasticizer is beneficial to the thermal decomposition of double base composite propellant and hexogen, and its application in the modified double base propellants could improve combustion properties.

介绍了一种新型含能的叠氮类增塑剂PDADN 合成、结构及物理化学性质，系列热分析实验表明，它有利于双基组分及黑索今的热分解，指出它在改性双基推进剂中将可改善燃烧性能。

This research aims at indicating the influence rule of hydrophyte silt on the nitrogen and phosphorus transformation in soil treatment and restoration systems. Then provide basis for the harvestry in the operation and management of these systems.

为揭示含植物的土地处理与修复系统中植物衰亡对系统中氮和磷转化的影响规律，为此类系统运行管理中植物收割与否提供依据。

In petroleum they can inactivate refining catalyst and contribute to chemical instability of refined petroleum.

石油中的含氮有机化合物是影响炼油工艺、产品性能质量的主要因素。

Mainly composed of hydrocarbons, but also a small amount of oxygen, sulfur or nitrogen compounds.

主要由碳氢化合物组成，也有少量含氧、硫或氮的化合物。

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。