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catalytic chromatography
相关语句
  催化色谱
     RESEARCH ON THE CHANGE OF APPARENT RATE CONSTANT AFTER POISONING THE CATALYST FOR DEHYDRATION OF ETHANOL BY MICRO-STOPPED FLOW CATALYTIC CHROMATOGRAPHY
     用微反断流催化色谱研究催化剂中毒后乙醇脱水表观反应速率常数的变化
短句来源
     The acid site of some H-mordenites is determined and studied by the pulse catalytic chromatography poisoning method.
     用脉冲催化色谱中毒法测定并研究了氢受丝光沸石酸中心及其与甲苯歧化反应的关系。
短句来源
     The reaction of dehydration of ethanol for the formation of ethylene on HZSM-5 catalyst was studied by using the technique of micro-stopped flow catalytic chromatography. The apparent rate constants k1 and k2 were found, they may be regarded as the reaction proceeds on the surface sites of strong and weak acid of the catalyst respectively.
     用微反断流催化色谱技术研究了HZSM-5催化剂上乙醇脱水生成乙烯的反应,发现表现反应速率常数k与反应是在催化剂表面强酸中心或弱酸中心上进行有关。
短句来源
  “catalytic chromatography”译为未确定词的双语例句
     Dealumination of H-Mordenite was carried out by an alternate treatment of steam and acid, and the dealuminated samples were studied with pulse catalytic chromatography.
     用水蒸汽热处理和酸洗交替进行的方法,将氢型丝光沸石脱铝,用脉冲色谱法对所得样品进行催化性质的研究。
短句来源
  相似匹配句对
     F chromatography.
     F离子交换层析两步纯化 ,其纯度可达90 %左右 .
短句来源
     THEORETICAL AND EXPERIMENTAL STUDIES ON CATALYTIC REACTION CHROMATOGRAPHY
     催化反应色谱技术的理论和实践
短句来源
     Measuring Gas from Catalytic Cracking by Gas Chromatography
     气相色谱法测定催化裂化气体产物
短句来源
     CATALYTIC TITRATION
     催化滴定
短句来源
     Affinity Chromatography
     亲和色谱法
短句来源
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The acid site of some H-mordenites is determined and studied by the pulse catalytic chromatography poisoning method. This is a simple and rapid method by which informations related to acidic surface properties of the solid acidic catalysts under reaction conditions and environments can be given. The relation between the remaining acid sites and the reaction kinetics during poisoning can also be determined. It is shown that certain relationship exists between the no. of acid sites and total SiO_2/Al_2O_3...

The acid site of some H-mordenites is determined and studied by the pulse catalytic chromatography poisoning method. This is a simple and rapid method by which informations related to acidic surface properties of the solid acidic catalysts under reaction conditions and environments can be given. The relation between the remaining acid sites and the reaction kinetics during poisoning can also be determined. It is shown that certain relationship exists between the no. of acid sites and total SiO_2/Al_2O_3 or sodium ion exchanged during the preparation and ion exchanging process for the same series of synthetic mordenites. Results concerning the apparent activation energies estimated at different degree of poisoning of various poisoning reagents, the relation between the no. of acid site of hydrogen ion exchanged mordenite prepared by decomposition of ammonium mordenite and the quantity of exchanged ammonium may provide some interesting informations for further study on the nature of the acid centres on the hydrogen ion exchanged mordenite.

用脉冲催化色谱中毒法测定并研究了氢受丝光沸石酸中心及其与甲苯歧化反应的关系。这一快速、简便的方法可提供在反应条件和反应气氛下多种与固体酸值化剂表面酸中心性质有关的信息。在测定酸中心数的同时,可获得中毒过程中剩余酸中心数与反应动力学参数间的关系。试验表明同一系列合成丝光沸石制备和交换过程中,总SiO_2/Al_2O_3和钠被交换率与酸中心数有一定关系。中毒程度不同时测得之甲苯歧化反应视活化能、用不同毒物进行中毒试验和铰型丝光沸石分解所得氢型丝光沸石酸中心数与饺交换量等结果,可能有助于进一步探讨氢型丝光沸石的酸中心性质。

Dealumination of H-Mordenite was carried out by an alternate treatment of steam and acid, and the dealuminated samples were studied with pulse catalytic chromatography. The results showed that there occured a change both in the cell constants and the number of active site for the samples studied, as well as the catalytic activity of cumene cracking and xylene isomerization. It may be concluded that the change of catalytic activity of dealuminated mordenite is related to the change of its structure...

Dealumination of H-Mordenite was carried out by an alternate treatment of steam and acid, and the dealuminated samples were studied with pulse catalytic chromatography. The results showed that there occured a change both in the cell constants and the number of active site for the samples studied, as well as the catalytic activity of cumene cracking and xylene isomerization. It may be concluded that the change of catalytic activity of dealuminated mordenite is related to the change of its structure of the crystal during the dealumination.

用水蒸汽热处理和酸洗交替进行的方法,将氢型丝光沸石脱铝,用脉冲色谱法对所得样品进行催化性质的研究。结果显示出,样品的活性中心数目随硅铝比的改变而发生变化,异丙苯裂解和二甲苯异构化反应的催化活性也发生变化。我们认为脱铝丝光沸石催化性质的改变,主要是由于在脱铝过程中,晶体结构发生改变所致。

Dealumination of H-Mordenite was carried out by an alternate treatment of steam and acid, and the dealuminated samples were studied with pulse catalytic chromatography. The results showed that there occured a change both in the cell constants and the number of active site for the samples studied, as well as the catalytic activity of cuue cracking and xylene isomerization. It may be concluded that the change of catalytic activity of dealuminated mordenite is related to the change of its structure...

Dealumination of H-Mordenite was carried out by an alternate treatment of steam and acid, and the dealuminated samples were studied with pulse catalytic chromatography. The results showed that there occured a change both in the cell constants and the number of active site for the samples studied, as well as the catalytic activity of cuue cracking and xylene isomerization. It may be concluded that the change of catalytic activity of dealuminated mordenite is related to the change of its structure of the crystal during the dealumination.

用水蒸汽热处理和酸洗交替进行的方法,将氢型丝光沸石脱铝,用脉冲色谱法对所得样品进行催化性质的研究。结果显示出,样品的活性中心数目随硅铝比的改变而发生变化,异丙苯裂解和二甲苯异构化反应的催化活性也发生变化。我们认为脱铝丝光沸石催化性质的改变,主要是由于在脱铝过程中,晶体结构发生改变所致。

 
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