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- dichloro fluorobenzene 二氯氟苯
- Using Chapman rearrangement to prepare 2, 6?dichloro?diphenylamine? 应用Chapman重排制备2,6-二氯二苯胺
- How many dichloro derivatives of anthracene are possible Give their names. 答:蒽有多少种二氯衍生物写出他们的名字.
- METHOD: Using Chapman rearrangement to prepare 2, 6?dichloro?diphenylamine. 方法：应用Chapman重排制备2，6?二氯二苯胺。
- Applications of Fluorobenzene and its derivates in pesticide syntyesis were briefly reviewedin this paper. 本文简要综述了氟苯及其衍生物在农药合成中的应用。
- Abstract： A method for preparing p-fluorostyrene from fluorobenzene by reaction of acetylation,reduction and dehydration was reported in this paper. 摘 要： 研究了以氟苯为原料,经乙酰化、还原、脱水等步骤合成对氟苯乙烯的方法。
- Polychlorobiphenyls in dye intermediate 2,6 _ dichloro _ 4 _ nitroaniline were analyzed by GC-MS in SIM method. 用气相色谱-质谱联用仪,采用选择离子的方法对染料中间体2,6_二氯_4_硝基苯胺中的多氯联苯进行分析。
- Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine. 以3,6-二氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生物,研究了它们的合成方法,并测定了所得产物的除草活性。
- The yield of dichloro compound is over 78%.The total yield of 2, 6-dichlorotoluene is over 60% and the purity of product is more than 99.0%. 该工艺氯化采用复合催化剂，无需用任何溶剂，二氯化物收率大于78%25,2,6-二氯甲苯总收率可达60%25，纯度大于99%25。
- The yield of dichloro compound is over 78%.The total yield of 2,6-dichlorotoluene is over 60% and the purity of product is more than 99.0%. 该工艺氯化采用复合催化剂,无需用任何溶剂,二氯化物收率大于78%25,2,6-二氯甲苯总收率可达60%25,纯度大于99%25。
- Reactive inorganic polymer-poly(dichloro)phosphazene was prepared through ring-opening polymerization at high temperature. 采用热开环聚合物方法,合成反应性无机聚合物聚(二氯)磷腈。
- Using Sm 3+ as an example, the extraction spectrophotometric characteristic of the system of Ln 3+ 5,7 dichloro 8 hydroxyquinoline(DCO) safranine T(SFT) has been investigated. 以Sm3＋为例研究了Ln3＋?5，7?二氯?8?羟基喹啉（DCO）?藏红花（SFT）形成三元离子缔合物的萃取?光度特征。
- The degradation of fluorobenzene (FB) by using ozonation process was studied, and the influences of pH value, initial concentration of fluorobenzene, ozone flux and reaction temperature on the reaction kinetics were investigated. 采用臭氧法降解含氟苯模拟废水。 研究了氟苯降解的影响因素和动力学,考察了反应液初始pH值、反应物初始浓度、臭氧投量、反应温度对臭氧氧化降解氟苯反应速率的影响。
- Synthesis of triclosan from 2,4 Dichlorophenol and 2,5 Dichloro nitrobenzene usually involves such procedure as etherization,reduction of nitro group,diazotization and hydrolysis. 其合成一般是以2,4二氯苯酚和2,5二氯硝基苯为原料,经过醚化、硝基还原、重氮化、水解等几步反应。
- Along with the development of medicine,dyestuff,fluorcarbon surface activating agont and fluor-plastics industry and according to the market demand, the demand for fluorobenzene is rapidly increased. 随着医药,染料、氟碳表面活性剂及氟塑料工业的发展,根据市场的需要,对氟苯的需求量迅速增加。
- DDT's chemical name is Dichloro?Diphenyl-Trichloroethane( C14H9Cl15). The water dispersible powder of this product is used for the control of Malaria in Africa. 滴滴涕化学名称为:二氯二苯三氯乙烷(C14H9CL5),可湿性粉剂,用于非洲疟疾病的防治。
- In this paper,the synthesis of dichloro (phthalocyanino) silicon is studied.Dichloro (phthalocyanino) silicon is obtained by adding the product into methanol. 对二氯硅酞菁的合成进行了研究,并采用甲醇析出法分离出生成的二氯硅酞菁。
- Changzhou City Jiesheng Chemical Co., Ltd. is a professional production of sodium dichloro Isocyanuric, triclosan Isocyanuric acid and chemical products to the enterprise. 常州市捷胜化工有限公司是一家专业生产经营二氯异氰脲酸钠、三氯异氰脲酸以及化工等产品的企业。
- And it has an annual production as belows: 10000 tons sodium dichloro isocyanurate, 9000 tons isocyanurate, 8000 tons dichloro isocyanurate ,5000 tons powder and 1000 tons troche Mdw. 公司占地12万平方米，建筑面积5万平方米，固定资产1.;1亿元，是国内专业生产消毒剂的最大企业之一。
- wastewater from fluorobenzene production 氟苯生产废水
