used catalyst

Intermittent Addition of Catalyst in Continuous Production of Phthalic Anhydride STUDY ON THE AXLE SEALING OF PUMP USED IN TANNIN EXTRACTS INDUSTRY

连续生产苯酐中不停车加催化剂栲胶泵轴密封的研究&副叶轮动力密封和飞球离心式机械停车密封装置

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Sodium ethylate was used as catalyst in Baker-Venkataraman of cyclization, and all factors were studied.

环合反应采用乙醇钠作为Baker-Venkataraman重排反应的催化剂, 研究了影响反应的各个因素.

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The macrokinetics could be used for calculating the quantity of CN-18 catalyst.

该表达式可用于使用CN-18催化剂时反应器的设计计算。

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Refining lubricating base oil using FCC used catalyst mixing with clay was studied. The conclusion is confirmable.

本文对利用FCC废催化剂混入白土精制润滑油基础油进行了试验研究，结论是肯定的。

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In recent years the technique has been used in the area of catalyst preparation.

近年来化学工作者把它引入到催化剂制备工艺过程。

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A new bimetallic basicity catalyst used for synthesis of methyl isobutyl ketone from acetone and hydrogen.

制备了常压下丙酮与氢气合成甲基异丁基酮的双金属碱性催化剂,并测定了其反应活性.

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In addition, the structure of catalysts in bulk before and after reaction as well as the thermal weight loss of used catalyst was characterized by means of XRD, IR and TG-DTA techniques.

另外，采用XRD、IR和TG-DTA技术表征了催化剂反应前后的体相结构以及热失重过程。

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The catalyst is used for desulphurization and denitrification of combustion emissions.

本发明用于燃烧排放物的脱硫脱氮.

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The effect of acidity on the amination of methanol over non modified, and cation exchanged and steam treated mordenite catalysts has been investigated by Py IR, NH 3 TPD and temperature programmed desorption of the adsorbed products retained on the surface of used catalyst.

用NH3－TPD、Py－IR和催化剂表面吸附产物的程序升温脱附方法，研究了丝光沸石经阳离子和水蒸气改性前后的酸性对甲醇胺化反应性能的影响。

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Anhydrous calcium chloride is used as the catalyst for preparing n-Butyl lactate formnte.

无水氯化钙为催化剂,乳酸、正丁醇直接酯化合成乳酸正丁酯.

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SEM show that the catalyst used 80 hours did not change in the surface appearance, has a good stability.

SEM表明经80小时反应后催化剂表面相貌没有发生改变，稳定性较好。

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Porous material has long been used as insulator, structural material , catalyst carrier, absorbent etc.

多孔性材料广泛用于阻隔材料 、 结构材料 、 催化剂材料 、 分离与吸附等领域.

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A new process which produce copper sulfate pentahydrate and activated zinc oxide from the used catalyst by soaking in complex acid has been introduced in this paper.

本文介绍采用络合酸浸法以废甲醇催化剂为原料制备五水硫酸铜和活性氧化锌的新工艺。

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The routing, policy-based routing and network address translation ( NAT) technologies of Cisco Catalyst 6509 switch and Cisco 2621 router are used to complete the optimizing of the configuration of the campus network of Tianjin University of Commerce which provides two connections to Internet.

使用Cisco6509交换机和2621路由器的路由、策略路由以及地址转换技术，成功地完成了天津商学院校园网的双出口解决方案，优化了网络的配置。

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