Nano-Ni was first used as catalyst for disproportionation of resin acid.
将纳米镍催化剂首次应用于树脂酸的歧化反应中。
Solid acid can be used as catalyst for the esterification instead of sulphuric acid.
固体酸能够代替硫酸作为酯化催化剂。
Medicine and chemical industry, more used as catalyst or oxidant in organic synthesis.
医药化工,更多的是在有机合成中作为催化剂或氧化剂使用;
Stannic Chloride can be used as catalyst for esterification instead of sulphuric acid.
四氯化锡能代替硫酸作为酯化催化剂。
In chemical engineering, silica gel can be used as catalyst or the carrier of catalyst.
在化学工程领域,硅胶可以用作催化剂或催化剂的载体。
Stinnic chloride could be used as catalyst for esterification instead of sulphuric acid.
四氯化锡可代替硫酸作为酯催化剂。
Sodium bisulfate can be used as catalyst for the esterification instead of sulfuric acid.
硫酸氢钠能够代替硫酸作为酯化催化剂。
Sodium bisulfate can be used as catalyst for the esterification instead of sulphuric acid.
用硫酸氢钠代替硫酸作为酯化催化剂。
Meanwhile, it can be used as catalyst carrier, insulator and precision founding sand, etc.
还可用做触媒体,绝缘体以及精密铸造砂等。
Meanwhile, it can be used as catalyst carrier, insulator and precision founding sand, etc.
白刚玉微粉还可用做触媒体,绝缘体以及精密铸造砂等。
The activated carbon carried La 3 + was used as catalyst for the synthesis of n-butyl acetate.
研究活性炭负载镧为酯化催化剂合成乙酸丁酯。
The analytic conditions are defined as; the platinum wire is used as catalyst, the sample burns in oxygen;
确定了分析条件:用铂丝作催化剂,样品在氧气中燃烧;
The result showed that vitamin C could be used as catalyst for the esterification of lactic acid instead of sulphuric acid.
结果表明:维生素C能够代替硫酸作为乳酸酯化的催化剂。
Bi-capped Keggin heteropolychromovanadophosphate was synthesized and used as catalyst for the synthesis of butyl furancrylate.
表明该杂多酸盐是一种合成呋喃丙烯酸丁酯的良好催化剂。
The biodiesel production through transesterification reaction from tallow with methanol was studied, and KOH was used as catalyst.
该文以牛油为原料,在KOH的催化作用下与甲醇酯交换反应制备生物柴油。
Moreover, this method reduces consumption of sulfuric acid in comparison with the process in which sulfuric acid is used as catalyst.
此外,与使用硫酸作为催化剂的方法相比,这种方法减少了硫酸的消耗。
It has been found that ferric chloride was superior to H2SO4 when used as catalyst for esterification of ethyl alcohol with sebacic acid.
氯化铁作为癸二酸和乙醇的酯化催化剂,性能优于硫酸。
Polystyrene supported polyethylene glycol was used as catalyst in the condensation reaction of citral and acetone, yield of pseudoionone was 77.4%.
将聚苯乙烯固载的聚乙二醇用于催化柠檬醛与丙酮的缩合反应。
Furthermore, we studied the influences of the process conditions on WPG of modified fir powder when pyridine was used as catalyst and acid absorbent.
并在使用吡啶的反应体系下研究了工艺条件对改性杉木粉wpg的影响。
It can be used as catalyst or catalyst carrier for dewaxing via isomerization, selective hydrogenation, cracking, condensation of alcohol and aldehyde, etc.
可在异构脱蜡、选择性加氢及裂化、醇醛缩合等反应中用作催化剂的活性组分和载体。
The modified titanium base solid acid used as catalyst for the synthesis of tributyl citrate from citric acid and butyl alcohol was investigated in this paper.
以改性钛基固体酸为催化剂催化合成柠檬酸三丁酯,确定了酯化优化条件。
The catalytic activity of the resin acid, which was used as catalyst of esterification, was evaluated by esterification between glacial acetic acid and ethanol.
通过催化冰醋酸与乙醇的酯化反应来考察该树脂酸的催化活性。
Sodium methoxide used as catalyst for the synthesis of methyl formate by carbonylation of methanol was studied, and effect of three kinds of promoter was investigated.
在间歇釜式反应器中,进行一氧化碳与甲醇羰基化合成甲酸甲酯的合成,考察甲醇钠碱性催化体系对反应的影响。
The design of this subject: silicon coupling was used as raw material, the reaction type is hydrolytic condensation, acid, alkali and organic tin was used as catalyst.
本课题设计以硅烷偶联剂为原料,反应类型为水解缩合,选用酸、碱,有机锡为催化剂。
With p-toluene sulfonic acid used as catalyst and chlorobenzene as organic solvent, the reaction kinetics between phenol and acetal have been studied at room temperature.
本文研究了以对甲苯磺酸为催化剂,氯苯为溶剂,室温附近的条件下,苯酚及对叔丁基酚与甲缩醛反应的动力学。
When the magnetite suspension solution was used as catalyst, crystalline bamboo-structured CNTs were obtained. Y junction CNTs were also obtained under ambient condition.
当使用磁铁矿悬浮液作为催化剂时,得到结晶性良好之竹节状奈米碳管。而在适当条件下,可得到Y接点奈米碳管。
Two synthetic methods of dl-naproxen via 1. 2-Aryl rearrangement were compared. Naproxen was obtained in high yield when ZnO was used as catalyst and in middle yield when KOAC was used.
对二种不同重排法合成萘普生进行了比较,其中,氧化锌催化重排法收率高,醋酸钾催化重排收率中等。
The hydroxynitrile lyases (HNLs) were used as catalyst for synthesis of enantiopure cyanohydrins which serve as versatile bifunctional building blocks for agro-and pharmaceutical intermediates.
醇腈酶在化学合成中催化碳碳键的形成,其产物氰醇可以转化成多种重要的手性医药和农药中间体。
Ethanol and tert-amyl alcohol were employed to synthesize tert-amyl ethyl ether in the liquid phase at atmospheric pressure. The strong acid cation exchange resin, NKC-29, was used as catalyst.
用国产NKC-29型强酸性阳离子交换树脂为催化剂,在常压液相条件下用乙醇和叔戊醇为原料合成了乙基叔戊基醚。
This article investigates the bleaching of wool with hydrogen peroxide during which enzyme is used as catalyst under acidic conditions and at low temperatures, discusses the influence factors on it.
研究了在酸性条件下以酶为催化剂的羊毛双氧水低温漂白工艺及相关因素。
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