1,2-二溴乙烷,1,2-dibromoethane英语短句,例句大全

1,2-二溴乙烷,1,2-dibromoethane
1)1,2-dibromoethane1,2-二溴乙烷
1.The synthesis of 2-bromoethoxybenzene by the reaction of phenol and 1,2-dibromoethane in the presence of the phase transfer catalyst of tetrabutylammonium bromide was studied.在四丁基溴化铵相转移催化剂存在下,以苯酚、1,2-二溴乙烷为原料合成2-溴乙氧基苯,分别研究了反应温度、反应时间、原料配比、催化剂用量等条件对合成反应的影响,确定了最佳工艺条件。
2.The reaction of bis-imidazoline with 1,2-dibromoethane and potassium carbonate in acetonitrile provided monobromide salt with a yield of 78.4%,在乙腈溶剂中,碳酸钾存在下,双咪唑啉和1,2-二溴乙烷进行扩环反应,得到环状中间体一溴盐,产率78。
3.A series of 2,3-biarylimino-1,4-dithiacyclohexane compounds were synthesized by the sufur- alkylation of N,N'-diaryldithiooxamide with 1,2-dibromoethane in the presence of bases.以N,N'-二芳基二硫代草酰胺与1,2-二溴乙烷进行S烷基化反应,合成了一系列2,3-双芳基亚氨基-1,4-二硫杂环己烷,反应在4h内完成,产率52%～62%。

英文短句/例句

1.Objective: To study the sampling and determinating method of Ethylene dibromide among the workplace air.目的:探讨工作场所空气中1,2-二溴乙烷的采样和测定方法。
2.Synthesis and Crystal Structure of 1,2-Diphenyl-1,2-Di(p-chlorophenyl)ethane;1,2-二苯基-1,2-二对氯苯基乙烷的合成和晶体结构
3.dibromotetrafluoroethane [halon 2402] [C2F4Br2]二溴四氟乙烷〔哈龙2402〕
4.Synthesis of 1,2-bis(3,4-Di: Methyl-Phenyl) Ethane;1,2-双(3,4-二甲基苯基)乙烷的合成研究
5.Clinical analysis on thirty-five cases with 1,2-dichloroethane poisoning1,2-二氯乙烷中毒35例临床分析
6.Determination of 1,2-dichloroethane in Air by Gas Chromatography气相色谱法测定空气中的1,2-二氯乙烷
7.In the reaction of acetylation and nitration 1,2?dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂。
8.STUDIES ON THE REACTION BETWEEN ALDEHYDES AND 1, 2-BIS (p-TOLYL-AMINO) ETHANE Ⅰ.醛类与1,2-二(对甲苯胺基)乙烷作用的研究Ⅰ.
9.Study on volatilization performance and risks of 1,2-dichloroethane used for solvent adhesive万能胶中1,2-二氯乙烷的挥发性能及风险研究
10.Determination of 1,2-Dichloroethane in Water by GC with Purge and Trap吹扫捕集-气相色谱法测定水中1,2-二氯乙烷
11.ethylene diammonuim bromide溴化双十八烷基十甲基乙二铵
12.Computer simulation of formation of vinyl chloride from 1, 2-dichloroethane by laser induced radical chain reaction激光诱导1,2-二氯乙烷链式反应生成氯乙烯过程的计算机模拟
13.Electron Transfer Properties of DipHenylamine in 1,2-Dichloromethane of TKC Antiknock;二苯胺在抗爆剂TKC组分1,2-二氯乙烷中电子转移性质的研究
14.Determination of benzene,toluene,dimethybenzene and dichloroethane in adhesive for shoes using capillary column chromatography毛细管气相色谱法测定鞋用胶粘剂中苯、甲苯、二甲苯、1,2二氯乙烷
15.Through quantitative determination, the compounds with concentrations above WHO permitted values were l,2-di-chloroethane and PAH (polycyclic aromatic hydrocarbon) .定量测定结果超过WHO允许值的有1,2-二氯乙烷及多环芳烃。
16.The Synthesis of 2-Methylallyl 1,2-Dimethoxyethane Complexes of La,Pr,Nd,Sm and Gd镧、镨、钕、钐和钆的2-甲基烯丙基1,2-二甲氧基乙烷配合物的合成
17.Electron-Transfer Properties of o-Toluidine in 1,2-Dichloromethane and the Influences of Hydrogen Peroxide;邻甲苯胺在1,2-二氯乙烷中的电子转移性质及H_2O_2的影响
18.Investigation on An Suspected Incident of Acute Occupational Poisoning Induced by 1,2-dichloroethane in A shoe factory某制鞋厂一起疑似职业性急性1,2-二氯乙烷中毒事故调查报告