catalyst的例句大全

A catalyst changes the speed of a chemical reaction without entering into it.

催化剂能改变化学反应速度而不参与反应.

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They both had higher catalytic activity and selectivity. The catalytic activity and selectivity of different catalyst has been studied extensively.

总之，二种HTLcS催化剂太原理工大学硕士研究生学位论文均表现出了较高的催化活性和高选择性。

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The kinetic behavior of TGH-3Q carbonyl sulfide ( COS) hydrolysis catalyst was studied.

研究了太原理工大学开发的T GH-3Q型COS水解催化剂上的动力学行为。

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A novel preparation method to synthesize DEDB by using aluminium phosphotungstate catalyst was developed.

开发了一种用磷钨酸铝催化合成二甘醇二苯甲酸酯(DEDB)的新方法.

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A small quantity of acetone in feed material is advantageous to the increase of the catalyst activity, selectivity of MIBK and DIBK, but excess acetone will make against the synthesis reaction process.

反应物相中少量丙酮的存在有利于催化剂活性、MIBK和DIBK选择性的提高，但过量丙酮的存在对合成反应不利。

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According to the domestic and foreign datum, the synthetic method of DEDB by using diethylene glycol, benzoic acid and catalyst butyl titanate was introduced.

根据国内外文献资料，本文采用直接酯化法，以苯甲酸和二甘醇为原料，钛酸四丁酯为催化剂催化合成DEDB。

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Considering noble metal of platinum ( Pt) and palladium ( Pd) are frequently regarded as the first choice for dehydrogenation of organic molecules in industry, thus they are widely employed as an essential and effective catalyst in DAFC systems.

因为铂（Pt）和钯（Pd）贵金属是有机分子脱氢氧化催化剂的首选材料，所以Pt或Pd也就成为直接醇类燃料电池中广泛使用的催化剂。

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It is prepared with slurry polymerization process and supported CT catalyst.

采用淤浆聚合工艺,利用负载型CT催化剂制得超高相对分子质量聚乙烯.

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The cold model experimental results indicated that the MCSS degassing tower keeps the contact between catalyst and steam within two stages.

冷模实验表明：多级错流短接触汽提方法能将汽提介质与催化剂的接触时间控制在两级挡板之内。

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Research of Catalytic Performance of DH_ ( 021) Catalyst of Cyclohexanol Dehydrogenation to Cyclohexanone

DH（021）型环己醇脱氢制环己酮催化剂性能研究

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Development and performance of a Cu-Zn cyclohexanol dehydrogenation catalyst

铜锌系环己醇脱氢催化剂的开发与应用

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Preparation of Cu/ ZrO_2 cyclohexanol dehydrogenation catalyst

新型Cu/ZrO2环己醇脱氢催化剂的制备

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The catalytic activity of the composite catalysts was evaluated based on DSC method. The results showed that the catalyst with the amorphous structure exhibited higher activity for BHET polycondensation.

采用DSC方法对所制备的催化剂的活性进行研究，结果表明，具有无定形结构的凹凸棒土复合铝、钛化合物催化剂其活性较高。

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The effect of all the processing parameters, such as catalyst, initiator and temperature, on the BCMO/ THF co-polymer has been researched.

研究了催化剂、引发剂和聚合温度等工艺参数对BCMO/THF共聚物的影响。

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The flash desorption spectra of oxygen chemisorption on the electrolytic silver catalyst surface

用闪烁脱附谱方法研究氧在电解银催化剂表面的吸附

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Synthesis of mixed dibasic acid esters by using resin catalyst

树脂催化合成混合二元酸二甲酯

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Some metal oxides, organic and inorganic salts were studied as catalyst for synthesis of aliphatic carbonic ester by alcoholysis of urea.

考察了以不同金属氧化物为催化剂对尿素醇解合成长碳链脂肪族碳酸二酯的催化活性，发现氧化锌具有较高的催化活性。

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Application of Esterification Catalyst in PTA Alkyd Resin

酯化催化剂在PTA醇酸树脂中的应用

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Tri-n-butyl citrate ( TBC) was synthesized with citric acid and n-butanol as raw materials and p-toluene sulfonic acid as esterification catalyst.

以柠檬酸和正丁醇为原料，对甲苯磺酸为酯化催化剂合成柠檬酸三丁酯（TBC）。

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Study of Effective Acid Strength of Acetic Esterification Catalyst

乙酸酯化反应催化剂有效酸强度的研究

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