nitrogen compound

In this paper,the genesis,distribution,group composition,shortcomings of nitrogen compounds in the crude oil and the products were discussed.

介绍了石油及产品中氮化合物的起源、分布、分类、危害及各类氮化物的浓缩、分离、鉴定的各种方法。

The dynamic oxygen uptake tester was used for studying the influence of nitrogen compounds on oxidation characteristics of saturated hydrocarbons.

用动态循环吸氧的方法研究了吲哚和喹啉对饱和烃氧化特征的影响 ;通过分析饱和烃氧化过程中氢过氧化物含量的变化 ,探讨了氮化合物在氧化过程中的作用本质。

The chemical mechanism of the nitrogen compounds in hydrocarbon oxidation was investigated by the combined method of determining hydroperoxide concentration, studying the oxidation characteristics of hydrocar- bon with dynamic oxygen uptake method and identifying the structure of oxidation products of nitrogen compounds.

采用烃类氧化过程中氢过氧化物浓度分析、动态吸氧研究烃类氧化特征及氮化合物氧化产物结构鉴定相结合的方法,研究了氮化合物影响烃类氧化的作用机理,并通过试验分析讨论了氮化合物与基础油氧化性能关系的复杂性。

The enriching and isolation methods of nitrogen compounds in heavy petroleum were introduced.

介绍了重质石油中含氮化合物的富集方法及定性方法；并用柱层析一步法分离富集ＶＧＯ油样（ 恩氏蒸馏ｂｐ：３３５ ～５００ ℃） 中的酸氮化合物，用１ ｍｏｌ／ＬＨＣｌ 和３ ｍｏｌ／ＬＨＣｌ 抽提ＶＧＯ油样中的碱氮化合物，以色／ 质联用技术对各子组分进行定性鉴定－ 结合质谱解析、质量色谱（ＭＣ） 方式、谱库检索、Ｌｅｅ 保留指数数据等对各氮化物联合定

The acidic nitrogen compounds in heavy petroleum(bp:335～500℃)were directly isolated by column chromatography and basic nitrogen compounds were extracted with hydro chloric acid 1mol.

用柱层析一步法分离富集胜利减二线油样中的酸性氮化合物，用１ｍｏｌ／Ｌ盐酸及３ｍｏｌ／Ｌ盐酸萃取碱性氮化合物，以色／质联用技术结合质谱、质量色谱、谱库检索及Ｌｅｅ保留指数对照等对各氮化合物进行定性鉴定。

Research on sulfonyl chlorination of sulfonatecontaining naphthol azo compounds;

萘酚磺酸类偶氮化合物酰氯化研究

Synthesis of long chain alkyloxyphenylazo compounds and their property of monolayer on water surface;

长链烷氧基苯偶氮化合物的合成及其气/水界面上单分子膜的研究

Study of nanosecond optical limiting in a novel azo compound;

一种新型偶氮化合物的纳秒光限幅特性研究

The structure and properties of aromatic azo compounds are briefly presented, and recent developments in aromatic azo polymer research are reviewed in some details.

简要介绍了芳香族偶氮化合物光敏和光响应特性 ,综合评述了近 10年来芳香族偶氮聚合物研究概况 ,重点介绍有关新型光信息材料的研究。

The oxidation of eight symmetric 1,2 - diaryl hydrazines by NOx absorbed in DMF solvent affords the corresponding azo compounds in high yield.

报道了将NO_X废气吸收在N,N-二甲基甲酰胺(DMF)中氧化1,2-二取代芳基肼制备对称的偶氮化合物。

In this paper, the synthesis of several azo compounds from diazotized 5 - aminobenzimidazolone and several phenols are studied.

报道了几种由5-氨基苯并咪唑酮为原料与酚偶联形成的偶氮化合物的合成。

To treat or combine with nitrogen or compounds containing nitrogen.

硝化用氮或含氮化合物处理或掺以氮或含氮化合物

Investigation of Carbonitride in Nitrogen-combining 18Mn-4Cr-0.4C Non-magnetic Steel;

含氮18Mn-4Cr-0.4C无磁钢的碳氮化合物研究

Synthesis of a Novel Azo Compound and Its Optical Activity

新型偶氮化合物的合成及其光学性质

Effects of nitrous compounds on mixotrophic desulfurization-denitrification

含氮化合物对兼养脱硫反硝化的影响

a compound used as a fertilizer and as a source of nitrogen compounds.

一种化合物，用作肥料和氮化合物的来源。

Of, derived from, or containing nitrogen, especially in a valence state higher than that in a comparable nitrous compound.

硝酸的氮的、由氮组成的或含氮的，尤指化合价状态高于其他相似的含氮化合物的

anthraquinonediazonium chloride zinc chloride compound

蒽醌重氮氯化锌复合物

Discharge in Nitrogen: Research on N-doping and Synthesis of Nitrides;

氮气放电在氮掺杂及氮化物合成中的应用

Studies on Synthesis New NO-donor Drugs Containing Furoxanyl Moiety;

新呋咱氮氧化物类一氧化氮供体药物的合成

Studies on the Metal Coordination Compounds of Amidrazone Containing Dizaine;

连氮脒腙类化合物的金属配合物研究

To convert(nitrogen) into stable, biologically assimilable compounds.

固氮把（氮）转变成稳定的、能被生物吸收的化合物

azide:a chemical compound that contains the group N.

叠氮化物:一种化合物,包含基团N。

Investigation on Synthesis of Nitrogen-containing Heterocycles from Trimethylsilyl Azide;

三甲基叠氮硅合成含氮类杂环化合物的研究

Synthesis of Nitrogenous Heterocyclic Compounds Catalyzed by Solid Acid;

固体酸催化下含氮杂环化合物的合成

Research Progress on Catalytic Synthesis of Aziridine

催化合成氮丙啶类化合物的研究进展

Combustion Synthesis of Nanocrystalline Boron Nitride and Nanocomposites;

燃烧法制备纳米氮化硼及氮化物复合材料

Studies on the Synthesis of Biomimetic Compounds Tetraazaparacyclophane Derivatives;

仿酶化合物四氮杂环蕃化合物的合成研究

To remove nitrogen or nitrogen groups from(a compound).

使脱硝，使脱氮（从化合物中）去掉氮或硝酸盐