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- Polychlorinated biphenyls (PCBs) fall into the category of halogenated aromatic compounds (HACs) or dioxin-like compounds (DLCs) and are highly lipophilic environmental contaminants. 多氯联苯(polychlorinated biphenyls,PCBs)属于卤代芳香化合物(halogenated aromatic compounds,HACs)或二?f英类化合物(dioxin-like compounds,DLCs)的范畴。
- halogenated aromatic compound 卤化芳族化合物
- To subject to a reaction that converts a substance into an aromatic compound. 芳构化使某物质经过反应转变为芳香化合物。
- This article reviews three kinds of methods for manufacture halogenated aromatic amine,and the strong and weak points of the three reduction methods are pointed out. 本文综述了由卤代芳硝基物还原制备卤代芳胺的三种方法,并对几种还原方法的优缺点进行了对比和讨论,得出水合肼还原具有很好的应用前景。
- AROMATIC COMPOUNDS: Structure and Reactions. 28芳香化合物：结构和反应。
- Humic acids are usually regarded as polymers of aromatic compounds. 腐殖酸通常被看作是芳烃化合物的聚合物。
- The aromatic compound and its content of pomelo peel and 4 kinds of pomelo peel tea,and the scenting ... 文中对柚子皮和4种柚子皮茶的香气成分及其含量和窨制效果也进行了对比分析。
- Direct alkoxylation of aromatic compounds is virtually unknown. 事实上还不知道芳香族化合物的直接烷氧基化的方法。
- The common methods used for synthesizing fluorinated aromatic compounds, including direct fluorination and diazotisation as well as halogen exchange reactions were briefly introduced. 介绍了合成含氟芳香族化合物常用的氟取代反应、重氮化反应、卤交换反应,认为卤素交换尤其是脱硝氟代是选择性合成含氟芳香族化合物的有效途径。
- A white,crystalline,aromatic compound,C10H14O,derived from thyme oil and other oils or made synthetically and used as an antiseptic,a fungicide,and a preservative. 百里粉一种芳香的白色结晶化合物C10H14O，从百里油或其它油中提炼取得或人工合成，可用作消毒剂、杀真菌剂和防腐剂。
- Halogenated aromatic nitro - group compounds 卤代芳硝基物
- A white, crystalline, aromatic compound, C10H14O, derived from thyme oil and other oils or made synthetically and used as an antiseptic, a fungicide, and a preservative. 百里粉一种芳香的白色结晶化合物C10H14O，从百里油或其它油中提炼取得或人工合成，可用作消毒剂、杀真菌剂和防腐剂
- The result shows that some absorption parameter of aliphatic compoand and aromatic compound in the Metal electrode and their mole diopter have linearity relation. 研究表明,脂肪族及芳香族化合物在金属上的标准吸附自由能与它们的摩尔折射度成直线关系。
- According to the process a side-chain of a substituted aromatic compound is alkylated by reacting the aromatic compound with an alkylating agent in the presence of a catalyst. 根据该方法，在催化剂的存在下，通过使芳香化合物与烷基化剂反应，使取代的芳香化合物的侧链被烷基化。
- Result The top 5 chemical allergic resources of these patients were 0.1% thiomersalate, 5% nickel sulfate,7% aromatic compound,1% formaldehyde( water solution),1% styrene. 结果居常见致敏原前5位的化学物质分别是0.;1%25硫柳汞、5%25硫酸镍、7%25芳香混和物、1%25甲醛(水溶液)、1%25肉桂醇。
- The prospect of the nitro aromatic compound treatment technology is discussed.The biotechnology and coordination of several kinds of technology have become the main trend. 同时本文还展望了此类废水处理技术的应用前景,采用生物处理及其他多种处理方法协同作用已成为发展趋势。
- As the isocyan group is polymerized further, diphenyl carbondiimine may be formed, further polymerization of which forms a nitrogen-containing polycyclic aromatic compound. 异氰基化合物进一步二聚成二苯基碳化二亚胺，后者又聚合生成含氮杂环的多环芳烃。
- The course also provides an introduction to the chemistry of aromatic compounds. 本课程同时提供芳香化合物化学的介绍。
- Review on the mechanism of microbe co-metabolism, progress of kinetics and application on the refractory biodegradation organic. Microbial treatment of chlorinated aromatic compound by using co-metabolism has a bright prospect. 综述了微生物共代谢的生化机制、动力学反应研究进展以及在难降解有机物生物降解中的作用,表明了微生物共代谢在氯代芳香化合物生物处理中的应用前景是光明的。
- Research on the nitro aromatic compound treatment technology and application of the technology are introduced.These technology are mainly based on the physical, chemical, biological principles. 本文综述了硝基芳香烃废水处理技术的研究现状及在实际工程中的应用现状,这些技术的原理主要基于物理、化学、生物等方面的作用。
