采用天然气热氯化法生产二氯甲烷以供感光材料工业作溶剂。
Use of natural gas for heat chlorination methylene chloride for the production of photographic materials for industrial solvent.
利用无水乙醇作为溶剂,比较了冰乙酸、氯化钙这两种添加剂对悬浮液以及沉积过程的影响。
The pearl powder suspension was prepared using the alcohol as the solvent and the influence of additives on the deposition was investigated.
研究了无催化剂存在时,溶剂、硫化钠用量、反应时间和反应温度对从氯化苄和硫化钠合成二苄基硫醚的影响。
Effects of solvent, sodium sulfide dosage, reaction time and reaction temperature in syn thesis of dibenzyl sulfide from benzyl chloride with sodium sulfide without catalyst were studied.
吡啶既可做溶剂又可中和氯化氢,还可与酰氯形成络和物而增强酰化能力,理论产率很高,但后处理困难,实际产率反而很低。
Pyridine can improve the ability of acylation when it complex with acyl chloride. The theory yield is high but aftertreatment is difficult and real yield is very low.
采用微波辐射技术,以苯酚、氢氧化钾和氯化苄为原料,N, N -二甲基甲酰胺为溶剂合成了苄苯醚。
Using phenol and benzyl chloride as raw materials and n, N-dimethyl formamide (DMF) as solvent, benzyl phenyl ether was synthesized under microwave radiation.
采用丙酮、四氢呋喃、乙酸丁酯和四氯化碳等有机溶剂对双酚a聚碳酸酯(BAPC)进行诱导结晶。
Acetone, tetrahydrofuran, butyl acetate and carbon tetrachloride in liquid state were used to induce the crystallization of bisphenol-A polycarbonate (BAPC) film.
费用亦是强加的关于出售的干洗溶剂(氯化和以石油为基础的)溶剂分销商。
A fee is also imposed on the sale of dry cleaning solvents (chlorinated and petroleum-based) by solvent distributors.
主要用途:用作氯化、胆碱、消毒剂、离子交换树脂、农药、表面活性剂、溶剂等的原料。
Main purposes: for chlorination, choline, disinfectants, ion exchange resins, pesticides, surfactants, solvents and other raw materials.
研究了用溶剂萃取法从氯化铜溶液中去除钴。
Removal of cobalt from copper chloride solution by solvent extraction with P204 is studied.
用氯化钯法测定了双液相溶剂萃取菜粕中的硫代葡萄糖甙(简称硫甙)的含量。
The content of glucosinolates in rapeseed meal extracted by two liquid-phase solvents was determined by palladium chloride method.
以壬基酚和三氯化磷为原料,芳烃为溶剂,采用直接酯化法,可制备三壬基苯基亚磷酸酯。
Antioxidant tris (nonyl phenyl) phosphate was prepared with nonyl phenol and phosphorus trichloride as raw materials, arene as solvent and by using directive esterification method.
采用在溶剂中间接氯化的方法合成对氯甲苯。
The indirect chlorination of getting PCT in solvent is applied.
四氯化碳和甲苯为较好的溶剂介质。
Carbon tetrachloride and toluene appear to be the optimum solvents.
洛斯dd 117是经氯化了的黏稠溶剂精炼矿物油,并含有中性脂肪和特殊油性添加剂。
Locks dd 117is a chlorinated viscous fluid containing neutral fats, special oily additive and solvent refined mineral oil.
以3,5 -二甲酚为原料,硫酰氯为氯化剂、四氯化碳为溶剂,合成对氯间二甲酚。
Using 3, 5-dimethyl phenol as raw materials, sulfuryl chloride as chlorination reagent and carbon tetrachloride as solvent to synthesize chloroxylenol.
在氯磺化反应中引入了四氯化碳溶剂,在反应后期加入氯化钠。
In the reaction of chlorosulfonation carbon tetrachloride was used as solvent, adding the sodium chloride in later stage reaction.
本文提出了在乙腈- 乙醇-水混合溶剂中以柠檬酸钠作络合剂, 三氯化钛还原非水溶性偶氮染料和颜料。
Sodium citrate was used as a complex catalyst for the titanium trichloride to reduce insoluble azo dyes and pigments in acetonitrile-alcohol-water system.
介绍了制备甲壳素纤维的黄化法、含卤溶剂法和酰胺氯化锂法。
The xanthate derivative method, halogenated solvent method and amide LiCl method for preparing chitin fiber are introduced.
用四氯化碳作溶剂,研究了氯苯的硝化反应。
The preparation of nitrochlorobenzene was studied in carbon tetrachloride.
以乙醇氯化钙混合溶剂制备的粉末内部具有多孔结构;
The powder had porous structure by means of the mixture solvent of alcohol and calcium chloride.
洛斯dd27是高度氯化高黏度溶剂精炼矿物油,并含有中性脂肪。
Locks DD 27is a highly chlorinated viscous oil containing neutral fats and solvent refined mineral oil.
以三氯化侣作催化剂,二氯乙烷作溶剂,并使反应在冰盐浴中进行,从而使产品的产量和质量均有提高。
The suitable conditions are following: AlCl3 as catalyst, CH2Cl2 as solvent, ice-salt - bath. The yield and quality were improved.
乐泰7360是一种非氟氯化碳,低气味,溶剂型配方,它是与环氧粘合剂兼容,不会造成在浸泡硬化。
Loctite 7360 is a non-CFC, low odor, solvent based formulation; it is compatible with epoxy adhesives and will not cause hardening during soaking.
所述阻燃溶剂包括氯化镁、氯化钠、氯化钙、氯化钡和碳酸氢氨。
The said fireproof solvent consists of magnesium chloride, sodium chloride, barium chloride and ammonium bicarbonate.
本工作对唑类化合物在不同溶剂中的荧光被四氯化碳的猝灭问题进行了研究。
The fluorescence quenching of aromatic oxazole derivatives by CCl4 in different solvents was studied.
标题化合物C24H22N2O2是由N-(4-羟基苯亚甲基)喹啉-5-胺和5,5-二甲基-1,3-环己二酮在氯化三乙基苄基铵(TEBAC)催化下以水作溶剂反应而得。
The title compound C24H22N2O2 has been synthesized by the reaction of N-arylidenenaphthalen-2-amine with 5,5-dimethyl-1,3-cyclohexadione water catalyzed by triethylbenzylammonium chlorideTEBAC.
使用正己烷作为萃取和测试溶剂,同国标方法(GB/T16488-1996)所用的四氯化碳相比可减少对测试人员的伤害。
The method that using n-hexane as an extractant had a little injure to lab assistant, as compared with CCl_4 used by GB/T16488-1996 method.
使用正己烷作为萃取和测试溶剂,同国标方法(GB/T16488-1996)所用的四氯化碳相比可减少对测试人员的伤害。
The method that using n-hexane as an extractant had a little injure to lab assistant, as compared with CCl_4 used by GB/T16488-1996 method.
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