cationic catalyst
英
美
正离子催化剂
双语例句
- Styrene butadiene rubber ( SBR) was cyclized with the aid of cationic catalyst system based on diethylaluminum chloride ( Al) and benzyl chloride ( RCl).
应用一氯二乙基铝和苄基氯催化剂体系进行了丁苯橡胶的阳离子环化反应。 - Polytetrahydrofuran ( PTHF) with narrow molecular mass distribution was prepared by cationic ring-opening polymerization of tetrahydrofuran using H_2SO_4 · SO_3-HClO_4 system as a catalyst.
以发烟硫酸-高氯酸为催化剂，通过四氢呋喃的阳离子开环聚合合成了窄分子量分布的聚四氢呋喃（PTHF）。 - The component C is a kind of cationic surfactant compounding form cationic monomer DC and polyacrylamide with persulphate-fatty amine as catalyst.
组分C是一种阳离子型表面活性剂，选择过硫酸盐&脂肪胺为催化剂，以阳离子单体DC和丙烯酰胺单体合成。 - Synthesis of Allyl Carboxylate Using Strongly Acidic Cationic Exchange Resin as Catalyst
强酸性树脂催化合成羧酸烯丙酯 - Cationic starch with low degree of substitution of quaternary ammonium groups was prepared by reacting 3-chloro-2-hydroxypropyl-trimethyl ammonium chloride ( CHPTMA), and the catalyst NaOH with dry corn starch, The reaction was induced by microwave radiation.
以玉米淀粉及3氯2羟丙基三甲基氯化铵（CHPTMA）为原料，NaOH为催化剂，采用微波干燥法制取可用于造纸的低取代度季铵型阳离子淀粉。 - Cassava starch as a raw material was reacted with the mixture of a cationic etherification agent and an alkaline catalyst, and the quaternary ammonium type cationic starch was synthesized by using the wet process.
以木薯淀粉为原料与阳离子醚化剂和碱性催化剂的混合物进行反应，采用湿法合成季铵型阳离子淀粉。 - Its double ring opening cationic polymerization was carried out in dichloroethane by using BF 3 · OEt 2as catalyst.
以BF3·OEt2为催化剂，在二氯乙烷中实现了其双开环阳离子聚合。 - Studies on the Cationic Copolymerization of α-Pinene and Styrene with the AlCl_3/ SbCl_3 Catalyst
复合催化剂AlCl3／SbCl3的α－蒎烯／苯乙烯阳离子聚合反应研究 - The cationic copolymerization of α-pinene and styrene initiated by AlCl_3 alone and AlCl_3/ SbCl_3 compound catalyst respectively was investigated.
比较了AlCl3和AlCl3／SbCl3复合体系的α－蒎烯／苯乙烯阳离子共聚反应及产物的摩尔质量分布。 - In this thesis, cationic starch modified dicyandiamide-formaldehyde resin decolour flocculent agents are synthesized using starch, epichlorohydrin, trimethylammonium chloride, dicyandiamide and formaldehyde as the main materials and aluminum sulfate as catalyst.
本文采用淀粉、环氧氯丙烷、三甲胺盐酸盐、双氰胺、甲醛等为主要原料，以硫酸铝为催化剂，并引入添加剂合成了阳离子淀粉改性双氰胺-甲醛脱色絮凝剂系列产品。 - Cationic Polymerization of α-pinene Initiated by Using Aromatic Complex Catalyst
芳烃络合物引发α-蒎烯正离子聚合的研究 - The kinetics of reaction of diethylene glycol with acrylic acid by using 732# strong acidic cationic exchange resin as catalyst is investigated.
对732＊型强酸性阳离子交换树脂催化酯化合成丙烯酸一缩二乙二醇酯动力学进行了研究，测定并推算出反应级数、反应速度常数及活化能等动力学参数。 - This paper discussed the effect of dosage of cationic agent and catalyst, reaction temperature, reaction time on the degree of substitution of the cationic starch prepared by the one-step semi-dry process.
讨论了半干法制备季铵型阳离子淀粉工艺中阳离子试剂用量、催化剂用量、反应温度、反应时间等因素对产品取代度的影响。 - The cationic blend polymerization of α-pinene and β-pinene with AlCl_3-SbCl_3 binary catalyst was investigated by orthogonal experimental design.
以AlCl3-SbCl3为催化体系，通过正交实验，对α/β-蒎烯阳离子共混聚合进行了研究。 - This paper deals with the processing characteristic of PMR polyimides, aromatic nitrile terminated polyimides with use of dynamic mechanical analysis and/ or other methods. The results indicate that compound cationic catalyst actives properly in the fabrication of an AS4/ AMS-1 composite.
用动态力学和其它分析方法，讨论了芳基腈封端的PMR聚酰亚胺的工艺特性，研究结果表明，在AS4／TMS－1制备技术中，阳离子催化剂具有适宜的催化活性。 - Methyl-2-( 4-methyl-3-pentenyl)-1,3-dioxane was synthesized using phosphotungstic acid supported on cationic exchange resin as catalyst.
以离子交换树脂固载磷钨酸为催化剂合成了2-甲基-2-（4-甲基-3-戊烯基）-1,3-二氧六环。 - Suspended in alchol/ water solution, guar gum ( GG) was grafted at first with quarternary-ammonium cationic monomer, and then reacted with chlorohydrin in the presence of tiny-excessive alkali catalyst.
悬浮于醇/水体系中的瓜尔胶，先与阳离子单体发生醚化反应，然后与氯乙醇在微过量碱催化剂存在下进行羟乙基化反应，阳离子中间产物不必分离。 - In contrast with cationic mechanism, there is no equilibrium geometry of ethylene in co-plane with the plane of the catalyst for the neutral mechanism because of lower positive charge on the nickel atom in the catalyst.
由于Ni原子带正电荷较小，乙烯与催化剂共平面的的结构不是平衡几何构型，而是过渡态。 - Examination results confirm that: the viscosity of cationic starch has close relationship with ratio of reactants, reaction temperature, reaction time, dosage of catalyst, and so on.
结果表明，阳离子淀粉的粘度与反应物配比、反应温度、反应时间、催化剂的用量等密切相关。 - Using cationic gold catalyst [ Me4tBuXPhosAu] SbF6as the best catalyst, the reaction has a wide substrate scope.
使用阳离子型金催化剂[Me4tBuXPhosAu]SbF6作为最佳催化剂，反应具有很好的底物适用性。