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kinds of catalysts
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  类催化剂
    The effect of three kinds of catalysts,ferric acetylacetonate(Fe(AA) 3),dibutyltin dilaurate(T 12)and triphenyl bismuth(TPB),on curing catalysis of HTPB propellant binder system is investigated.
    研究了乙酰丙酮铁(Fe(AA)3)、二月桂酸二丁基锡(T-12)和三苯基铋(TPB)三类催化剂对丁羟(HTPB)推进剂粘合剂体系固化催化性能的影响。
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  “kinds of catalysts”译为未确定词的双语例句
    Secondly, the deoxidizing degree at different temperatures in the process of non-catalytic and 4 kinds of catalytic liquefaction of Sheng Li lignite is studied respectively. The 4 kinds of catalysts include MnO_(2) MoO_(3) Fe2O3 and pyrite. A series of autoclave texts had been done.
    其次,本文分别对没有催化剂以及4种不同类型催化剂(MnO_2、MoO_3、Fe_2O_3和炭窑口黄铁矿)在不同温度下参与反应的胜利褐煤脱氧率进行研究,做了高压釜试验。
短句来源
    Comparing the catalytic activity of four kinds of catalysts,it is found that AlCl3.NiSO4/γAl2O3 is better. By adding assistant and acidic component,all the properties of the catalyst are improved greatly.
    通过比较4种催化剂的催化活性发现,Al Cl3.NiSO4/γ Al2O3催化剂的催化效果相对好些,而且,催化剂经添加助剂、酸性组分等处理后,催化剂的各种性能均有显著增强。
短句来源
    Therefore, saw about pre-reforming reaction influence factors and technical conditions, optimized the content of active composition and made four kinds of catalysts with different nickel contents, and the contrast tests were done under the same technical condition. The result proved that the synthesis performance of Y603 catalyst is the best.
    以此为基础考察了预转化反应影响因素与工艺条件,优化活性组份含量,制成四种不同镍含量催化剂,并进行同工艺条件对比试验,结果表明Y603催化剂综合性能最好。
短句来源
    It has been demonstrated that two kinds of catalysts have considerable activity,selectivity and stability.
    实验结果表明,两种催化剂具有较好的催化活性、选择性和稳定性。
短句来源
    1. By steeping, three kinds of catalysts of Fe~(3+) were made by different carriers. Experiment proves that Fe~(3+) supported on activated carbon, as carrier, can help make more efficient catalyst.
    主要研究工作如下:1、利用浸渍法,采用不同的载体制备了三种载铁催化剂,实验表明用活化后的活性炭作载体,能够制备出活性较高的催化剂。
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  kinds of catalysts
Sn(IV) species were found in both kinds of catalysts.
      
The effects of different kinds of catalysts and supports on the conversion of a Direct Process high-boiling residue to monosilanes were evaluated.
      
Some groups have high reactivity and reaction selectivity and are used as various kinds of catalysts or as organosynthetic reagents.
      


The curve describing devolatilization law of Shanghai commercial coal added with different kinds of catalysts (or oxidative catalysts) are obtained by means of WRT-2 thermobalance, from which the kinectics parameters (E, K0, n) of devolatilization under different loadings (Ck) of catalysts are determined, and the model for catalytic devolatilization is set up according to these parameters. The experimental results revealed that: catalysts can accelerate the process of devolatilization,...

The curve describing devolatilization law of Shanghai commercial coal added with different kinds of catalysts (or oxidative catalysts) are obtained by means of WRT-2 thermobalance, from which the kinectics parameters (E, K0, n) of devolatilization under different loadings (Ck) of catalysts are determined, and the model for catalytic devolatilization is set up according to these parameters. The experimental results revealed that: catalysts can accelerate the process of devolatilization, but they can not raise the yields of volatiles; the effects of oxidizers are not better than that of catalysts; during the course of devolatilization, the temperature (Tmax) of the peak point of thermalweight differential curve can be used to evaluate the effects of catalysts; Tmax,which is called characteristic parameter, is related to the loadings of catalysts. With Tmax as the criterion, the comparsion of different catalysts may have different performance sequence orders when the loadings of catalysts are changed.

由WRT-2型热天平测定上海市工业用煤在添加不同类型催化剂(或氧化剂)时的热解曲线,由此确定不同催化剂添加量时的热解动力学参数(表观活化能E,频率因子K0,反应级数n),并根据动力学参数的变化规律建立催化热解模型。试验结果表明:催化剂可促进煤热解过程的发生,但不能使挥发份产量提高;氧化剂的效果不如催化剂;热解过程中,热重微分曲线上的峰值点所对应的温度Tmax可作为判断催化剂效能的特征参数;Tmax与催化剂的添加量Ck有关,并以其为依据,得到因添加量Ck的不同而改变的催化剂性能优劣排列次序。

The effect of three kinds of catalysts,ferric acetylacetonate(Fe(AA) 3),dibutyltin dilaurate(T 12)and triphenyl bismuth(TPB),on curing catalysis of HTPB propellant binder system is investigated.The experimental results show that TPB is an ideal curing catalyst of HTPB propellant binder system.

研究了乙酰丙酮铁(Fe(AA)3)、二月桂酸二丁基锡(T-12)和三苯基铋(TPB)三类催化剂对丁羟(HTPB)推进剂粘合剂体系固化催化性能的影响。实验结果表明,TPB是丁羟推进剂粘合剂体系比较理想的固化催化剂。

Based on kinds of catalysts used by resid suspended bed hydrocracking processes,the paper summarizes and analyses the characteristics,developing history and status of the process routes that are already available and still being developed abroad,adopting solid powder,oil soluble and aqueous catalysts .It also briefly introduces the process adopting aqueous catalyst developed by Fushun Research Institute of Petroleum and Petrochemical.

根据渣油悬浮床加氢技术所用催化剂类型,系统地总结和分析了国外已有和正在开发的采用固体粉末、油溶性、水溶性催化剂的三条技术路线的特点,发展史和现状。简要地介绍了抚顺石油化工研究院开发的水溶性催化剂的悬浮床加氢技术。

 
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