In the catalyst preparation process, nitrogen oxides were not released. It is a green environment-friendly preparation method.
并且制备过程不排放氮氧化合物，是一种绿色环保的制备方法。
The process to prepare alkyl naphthalene by alkylation is the most ripe one, key technology of which is preparation of high efficient catalyst.
烷基化制备烷基萘是目前最成熟的工艺路线，其关键技术是高效催化剂的制备；
Based on the preparation process of original catalyst for propylene polymerization, a new catalyst for the propylene polymerization was prepared by adding some modifier.
在原聚丙烯合成催化剂的基础上，通过在制备过程中加入调节剂，制备了一种新型催化剂。
The preparation process of cyclohexene is concerned greatly with catalyst and technique.
催化剂的选择及制备工艺对环己烯的制备有很大的影响。
The temperature control, the viscosity controal and the effect of catalyst in the preparation process of vegetable-oil-based resin have been studied in this paper.
对以葵花子油、棉子油为原料制备印刷油墨用植物油树脂的温度控制、粘度控制及催化剂影响进行了研究。
Preparation of TFAE through reactive distillation process had been researched, with trifluoroacetic acid and ethanol as raw materials, concentrated sulfuric acid as the catalyst.
以三氟乙酸、乙醇为原料，以浓硫酸为催化剂，对反应精馏法制备三氟乙酸乙酯的过程进行了实验研究。
The selection process of hydrogenation catalyst HG-2 for the preparation of saturated ME was described, and the effect of reaction conditions on the hydrogenation process were discussed.
叙述了脂肪酸甲酯加氢制饱和甲酯的催化剂HG - 2的筛选过程，并讨论各工艺条件对加氢反应的影响。
A dehydrogenation catalyst, process for preparation, and a method of use thereof.
脱氢催化剂，制备方法，及其使用方法。
The simulating study of the formation and inhibition of phenolic tars in the process of diphenols preparation by hydroxylation of phenol with iron-based composite oxides as catalyst was conducted.
对铁基复合氧化物催化苯酚羟基化合成苯二酚反应过程酚焦油的生成反应进行了模拟研究。
The mechanism for the formation of phenolic tars in the process for the preparation of diphenols by the hydroxylation of phenol using iron-based composite oxides as catalyst was studied.
对铁基复合氧化物催化苯酚羟基化合成苯二酚反应过程中酚焦油的生成机理进行了研究。
The catalyst is a critical point in the preparation process of biodiesel.
生物柴油生产过程中的催化剂是一个关键问题。
The batch process has been widely applied in many industries such as the fine chemical industry, the catalyst preparation and the dye intermediates preparation, etc.
间歇反应过程在精细化工、催化剂制备、染料中间体等行业应用广泛。
The new preparation process of tetrabromobisphenol - a with bisphenol - a, bromine and hydrogen peroxide as raw materials by a heterogeneous catalyst reaction has been introduced in this paper.
以双酚a、溴水和过氧化氢为原料，采用非均相催化反应技术合成四溴双酚a的新工艺。
The process for preparation of isorotenone from rotenone by catalyst AlCl3 is feasible, and the reaction condition was mild.
实验结果表明，三氯化铝催化鱼藤酮异构化的方法可行，反应条件温和。
The catalyst is modified by a proper amount of the rare-earth metal oxide, so the catalyst has good catalytic performance; and the preparation process has simple operation.
该催化剂经适量稀土金属氧化物改性后，具有较好的催化性能，且制备过程操作简便。
The preparation process of the catalyst is also disclosed.
本发明公开了催化剂的制法。
The preparation process has short process, low power consumption and high dispersivity of the molecular sieve, and the catalyst has activity higher that in available technology.
该方法可以缩短流程、降低能耗、分子筛分散度好，催化剂具有较现有技术制备的催化剂更高的活性。
The present invention provides one kind of nano level catalyst carrier for polyolefin and its preparation process.
本发明提供了一种聚烯烃纳米级催化剂载体及其制备方法。
The present invention belongs to polymer-transition metal 'post-cyclopentadiene' catalyst for olefin polymerization and its preparation process.
本发明是属于高分子化后过渡金属“茂后”烯烃聚合催化剂及其制备方法。
The present invention belongs to polymer-transition metal 'post-cyclopentadiene' catalyst for olefin polymerization and its preparation process.
本发明是属于高分子化后过渡金属“茂后”烯烃聚合催化剂及其制备方法。
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