Characteristics of the newly developed control system for non valve catalyst transfer were introduced.
介绍了新开发的催化剂无阀输送控制系统的特点。
RFS-C SOx transfer promoter, developed by Research Institute of Petroleum Processing, was successfully manufactured in the Catalyst Plant of Changling Petrochemical Company.
由石油化工科学研究院开发的RFS-C硫转移剂于长岭石化公司催化剂厂进行了工业放大与试生产。
Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.
聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂。
As a phase transfer catalyst polyethylene glycol can improve the selectivity of the reaction.
聚乙二醇作为相转移催化剂可以提高反应的选择性。
As a phase transfer catalyst, polyethylene glycol could improve the selectivity of the reaction.
聚乙二醇作为相转移催化剂可以提高反应的选择性。
Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.
方法以苯甲醛衍生物和苯乙酮为原料，弱碱碳酸钾为催化剂，水为溶剂，用相转移催化法合成查耳酮衍生物。
This is due to the chain transfer reaction between the active hydrogen and the active centers of the catalyst.
这是因为在活泼氢和催化剂活性中心之间有链转移反应发生。
This paper discusses the principle with which phase transfer catalyst ACTS on the synthesis of paclobutrazol.
本文讨论了相转移催化剂在多效唑合成中的作用原理。
We used phase transfer catalyst to improve the deacetylation of Chitosan, and the hydrogen peroxide degradation to reduce the molecular of Chitosan.
本文通过使用相转移催化剂来提高壳聚糖的脱乙酰度，使用过氧化氢降解法降低壳聚糖的分子量。
The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.
采用正丁醇-氢氧化钠反应体系，以十六烷基三甲基溴化铵为相转移催化剂，制得脱乙酰度为92%的壳聚糖。
By repeated tests, a proper amount of phase transfer catalyst in the TCR -step synthesis of paclobutrazol is fixed.
通过反复试验，确定了多效唑三步合成中相转移催化剂的最佳用量。
The results showed that poly( ethylene glycol) as a phase transfer catalyst can raise the conversion.
指出聚乙二醇作为相转移催化剂可增加转化率。
This article studies benzyl - triethyl ammonium chloride as catalyst of phase - transfer to prepare for phenyl acetate. Get the best operating condition and get the yield of 86%.
研究了以苄基三乙基氯化铵为相转移催化剂制备乙酸苄酯，得出了最佳操作条件，使反应收率达86%。
Polymer imidazole salt 1 is a new kind of polymer phase transfer catalyst, which has the advantages of convenience for preparation, good thermal stability, and high catalytic activity.
高分子咪唑盐1是一种新型高分子相转移催化剂，具有制备简单、稳定性好、催化活性高等特点。
The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.
该催化剂具有高活性、高选择性，且具有反应控制相转移催化剂的特性。
The recent progress in transition-metal catalyst used in atom transfer radical polymerization has been reviewed in this article.
对用于原子转移自由基聚合的过渡金属催化剂近年来的研究新进展作出了评述和展望。
In the new reaction system, product can easily isolate and catalyst can be recycled owing to the phase transfer catalysis character of catalyst in reaction process.
在此新反应体系中，催化剂呈现反应过程相转移催化特性，产物易分离，催化剂可回收循环利用。
The reaction is based on the treatment of epichlorohydrin with sodium stearate in the presence of phase transfer catalyst. About 90% of monoglycerides are obtained in quantitive yields.
在相转移催化剂存在下，硬脂酸盐和环氧氯丙烷反应，可获得含量90%左右的脂肪酸甘油单酯。
Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst, the purity of product was over 98 %.
以叔丁基过氧化氢(TBHP)为氧化剂，四丁基溴化铵(TBAB)为相转移催化剂，有效地将乳酸乙酯氧化合成丙酮酸乙酯，产品纯度达98%以上。
Allyl trisulfide was prepared with PEG-400 as phase transfer catalyst to raise the yield of the product and the content of the allyl trisulfide in the product.
以PEG- 400为相转移催化剂合成三硫二丙烯，以提高收率和产品中三硫二丙烯含量。
A new kind of phase transfer catalyst of phosphotungstate was synthesized by a new way in this paper.
采用新的合成方法，合成了一种新型磷钨杂多酸盐相转移催化剂，研究了它在不同合成条件下的产率。
The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.
通过添加适量四丁基溴化铵为相转移催化剂，使用过量的亚磷酸二异丙酯以补偿其在强碱环境中的水解，从而提高了反应产率。
Sulfadiazine-polylactide, a tumor targeting drug carrier, was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst.
采用相转移催化法以四丁基氯化铵为催化剂合成了端基含磺胺嘧啶的聚乳酸，将肿瘤导向基团引入了可生物降解药物载体。
The technological conditions of the synthesis of DL-phenylalanine by using phase - transfer catalyst technology and others are discussed.
研究了应用相转移催化等技术合成DL -苯丙氨酸的工艺条件。
Polymer phase transfer catalyst was a good catalyst.
高分子相转移催化剂是一种良好的催化剂。
The overall height of catalyst bed as well as the optimal feeding point was obtained for different detritiation efficiency under specific mass transfer coefficient of catalysts.
根据不同的催化剂传质性能，计算了为达到特定脱氚率和电解池浓缩倍数所要求的交换床总高度和进液位置。
The hydrogen transfer reaction on the Y zeolite catalyst mainly takes place between gasoline olefins and naphthenes.
分子筛上发生的主要是汽油烯烃和环烷烃之间的氢转移反应。
Authors have obtained by using m-phenoxybenzyltriethylammonium chloride as the phase transfer catalyst which is cheap, available and self—productive. We hare achieved better results.
研究出用价廉、易得，能够方便自产的间—苯氧基苄基三乙基氯化铵作为相转移催化剂，获得了较好的结果。
Authors have obtained by using m-phenoxybenzyltriethylammonium chloride as the phase transfer catalyst which is cheap, available and self—productive. We hare achieved better results.
研究出用价廉、易得，能够方便自产的间—苯氧基苄基三乙基氯化铵作为相转移催化剂，获得了较好的结果。
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