Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. 烃的磺化、硝化或亚硝化衍生物,不论是否卤化。
Aminothiazole and its homologues can be nitrated in the same way, using a double excess of nitrating mixture. 用二倍过量的混合硝化剂,能将氨基噻唑及其同系物以同样的方法硝化。
Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives. 无环醇及其卤化、磺化、硝化或亚硝化衍生物。
In this paper, the recent advance in the study on mutagenicity and structure activity relationships of nitrated PAHs were reviewed. 本文就硝基多环芳烃的致突变性、结构与致突变活性之间的关系方面的研究进展加以综合评述。
Aliphatic hydrocarbons can be nitrated even with 13% nitric acid. 脂肪酸甚至能被13%的硝酸硝化。
Then the organic liquid phase is a saturated solution of acid in the nitrated substance. 有机的液相就是酸在被消化物中的饱和溶液。
Moreover, copper ions were isolated as hydroxides, which is beneficial to the separation of copper from nitrated products. 而且,硝化过程中铜以氢氧化物固体沉淀的形式析出,便于与硝基化产物分离。
In some more complex cases, secondary amines can be nitrated directly with nitrating mixtures. 在某些复杂的情况下,仲胺能用混合硝化剂直接硝化。
Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives. 酮及醌,不论是否有其他含氧基,及其卤化、磺化、硝化或亚硝化衍生物。
The reaction conditions and the factors influencing the form of isomers in which carbazole and N-alkylcathazoles are nitrated in1,2-dichloroethane are studied. 研究了咔唑和N-烷基咔唑在1,2-二氯乙烷介质中的硝化反应条件以及影响硝基异构体的因素。
The results indicated that COD, the contents of suspension, ammoniated nitrogen and nitrated nitrogen were much lower than those of monoculture ponds ( P < 0.01). 结果表明,循环水养殖系统内虾池水层悬浮物数量、COD值、氨态氮和硝酸态氮含量比对照组对虾单养池明显降低(P<0·01)。
It's the first time to give the new concept in domestic and overseas that nitric acid-ferric nitrated tin-lead stripper can be recycled and reused without waste. 本技术在国内外首次提出,硝酸&硝酸铁型印制板退锡剂的循环再生使用新概念,实现了退锡废液的零排放。
Under the improved condition, the dibenzo-18-crown-6 can be nitrated with production rate over 90 per cent. 在改进的条件下,二苯并-18-冠-6硝化反应的产率达90%以上。
The Optimization of Technological Process of Block Nitrated Manganese 块状氮化锰生产工艺的优化
Alkyl benzenes and halo benzenes were nitrated with TFAA-NH_4NO_3 as nitrating reagent in the two acidic ionic liquids as solvents and catalysts. 以制备的两种酸性离子液体为溶剂和催化剂,TFAA和NH4NO3的组合为硝化剂,研究了烷基苯、卤苯和六亚甲基四胺在不同条件下硝化的收率和选择性。
At first, the primary pollutants in the cyanide-containing wastewater are changed into NH3-N2, and, then, is nitrated in the biochemical treatment process. 含腈(氰)污水中主要污染物在生化处理过程中首先被转化为氨氮,然后进一步硝化。
On the principle of energy saving, environment protection and high efficiency, the technological process of producing nitrated manganese with electrolytic manganese as raw material had been successfully optimized, when the powder metallurgical and heat treatment process were adopted. 在节能、环保和高效原则下,以电解锰片为原料,基于粉末冶金与热处理工艺对块状氮化锰生产工艺进行了优化。
Nitrated Polycyclic aromatic hydrocarbons are a class of important pollutants with direct mutagenicity. 硝基多环芳烃是一类重要的具有直接致突变性的环境污染物。
Determination of Nitrated Glycerin in Biodegradation by HPLC 高效液相色谱测定生化降解的硝化甘油
Nitration of aromatic compounds in organic chemistry occupies an important position as the nitrated products are important intermediates for fine chemicals and materials. 芳烃硝化在有机化学中占据重要的地位,因为其硝基化产物是重要的有机中间体和化工原料。
This paper discussed influence factors to nitrogen removal such as organic load, influent temperature, pH value and reflux ratio of nitrated liquid. 论文分别研究了有机负荷、水温、pH值及硝化液回流比对反应器处理效能的影响。