催化剂中毒      catalyst poisoning(8) poisoning of catalyst(1) catalyst poison(0) catalyst deactivation(3) catalyst damage(0)   catalyst poisoning      Characterization and Kinetics of Catalyst Poisoning      催化剂中毒表征及动力学研究 短句来源      some new issues were give to catalyst poisoning in catalytic hydrogenation of nitro-aromatics in alkaline and neutral solution.      并首次对其反应机理进行系统探讨：对碱性、中性芳香化合物的催化氢化中的催化剂中毒也有新的认识和见解。 短句来源      The AFC had the capability to succeed fully in the application of market with the major breakthrough of CO_2 scrubbing technology and catalyst poisoning preventing technology.      随着CO2清洗技术和催化剂中毒预防技术取得重大突破,碱性燃料电池完全有能力在市场中获得成功应用。 短句来源      It was found that the catalyst deactivation was not caused by the plugging of catalyst micropores, decrease in surface area, crystalline grain growth or catalyst poisoning. It was just because that excess Zn~ 2+ and Fe~ 2+ from the reaction slurry were adsorbed on the catalyst. After washing with acid, the activity and selectivity of the catalyst were almost completely recovered.      结果表明:催化剂失活不是由微孔堵塞、比表面积减小、晶粒长大或催化剂中毒而引起的,而是由于在长期运转过程中催化剂吸附了反应浆液中的Zn2 +和反应器壁引入的Fe2 +,通过酸洗的方法可以使催化剂的活性和选择性基本恢复. 短句来源      The cured polyphenylene sulfide(PPS) is well compatible with polysiloxane gel,but the uncured PPS made the Pt catalyst poisoning,it shows that poison contained materials are uncertain to make the Pt catalyst poisoning.      已固化聚苯硫醚（PPS） 外壳材料与硅凝胶有很好的相容性，而未固化PPS却使铂催化剂中毒，表明含有毒素的物质是否会使铂催化剂中毒，与毒素的存在形式和活性有关。 短句来源 更多          poisoning of catalyst      Experimental Verification of the Infected Zone Model for the Chemical Poisoning of Catalyst      催化剂中毒区域感染模型的实验验证 短句来源   catalyst deactivation      Phenomena in monolithic catalytic converters were analyzed in detail. Main physical and chemical processes include heat and mass transfer,flow distribution,chemical kinetics,oxygen storage release and catalyst deactivation.      本文分析了整装催化转化器中发生的现象 ,其中主要物理、化学过程包括传热、传质、气流分布、化学动力学过程、储放氧和催化剂中毒等 短句来源      Main physical and chemical processes including heat and mass transfer,flow distribution,chemical kinetics,oxygen storage and catalyst deactivation are discussed.      讨论了催化转化器中主要的物理和化学过程,包括传热传质、气流分布、化学动力学、储氧和催化剂中毒。 短句来源      It was found that the catalyst deactivation was not caused by the plugging of catalyst micropores, decrease in surface area, crystalline grain growth or catalyst poisoning. It was just because that excess Zn~ 2+ and Fe~ 2+ from the reaction slurry were adsorbed on the catalyst. After washing with acid, the activity and selectivity of the catalyst were almost completely recovered.      结果表明:催化剂失活不是由微孔堵塞、比表面积减小、晶粒长大或催化剂中毒而引起的,而是由于在长期运转过程中催化剂吸附了反应浆液中的Zn2 +和反应器壁引入的Fe2 +,通过酸洗的方法可以使催化剂的活性和选择性基本恢复. 短句来源   “催化剂中毒”译为未确定词的双语例句      Poisoning and Oxygen Adsorption of CuO/Al_2O_3 Catalyst      CuO/Al_2O_3催化剂中毒与氧吸附 短句来源      The results showed that the Pb~(2+) has toxicity ,and Cu~(+ )、Mg~(2+) and Ba~(2+) have passivation,and Na~(+) 、Ni~(2+) 、Cu~(2+)和SO_(42) have no influence to zhe action of this catalyst .      Pb2+能使催化剂中毒,Cu+、Mg2+和Ba2+三种金属离子钝化了催化剂的催化活性,Na+、Ni2+、Cu2+和SO42-四种离子对催化剂的催化活性没有影响。 短句来源      The results show that Pb~(2+) can cause the catalyst to be poisoned;      结果表明:Pb2+会引起催化剂中毒; 短句来源      Analysis of the Poisoning for Commercial C 207 Methanol Co-production Process Catalyst      工业联醇 C_(207) 催化剂中毒分析 短句来源      A Look into the Causes for Poisoning of C207 Methanol Synthesis Catalyst      C207型联醇催化剂中毒原因探讨 短句来源 更多        查询“催化剂中毒”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   catalyst poisoning Kinetics of Catalyst Poisoning during Capillary Condensation of Reactants 例句来源       Therefore, the presence of gaseous oxygen in the reacting mixture decelerates methane reforming (catalyst poisoning by oxygen). 例句来源       At higher dosage rates, different processes such as catalyst poisoning predominate, resulting in lower degradation efficiencies. 例句来源       Catalyst poisoning in the conversion of CO and N 2O to 例句来源       Carbazole is of particular interest as a major petroleum component known to reduce refining yields through catalyst poisoning. 例句来源       更多             poisoning of catalyst The strong and irreversible chemisorption of substrate or (and) reaction products (?self-poisoning" of catalyst surface) has been found to account for an activity decrease and changes in catalytic selectivity in the reaction. 例句来源         catalyst poison The implementation of the developed methodology for the quantification of VOSC as potential catalyst poison in a cleaning plant for groundwater contaminated with volatile haloorganics (VOX) is presented. 例句来源       However it is not an irreversible catalyst poison, and oils containing relatively large amounts of trichloroethylene have been successfully hydrogenated in the laboratory and pilot plant. 例句来源       It was also found that the refined and bleached soybean oil contained noticeable amounts of an unknown catalyst poison. 例句来源       Effects of the introduction of As2O3, AsF3 and AsF5 as the sources of catalyst poison species have been studied. 例句来源       The yield of bicyclo(3,2,0) hept-2-en-6-one could be multiplied by using pyridine (catalyst poison to retard 例句来源       更多             catalyst deactivation The partial intermediate products were absorbed on TiO2 surface, which resulted in catalyst deactivation. 例句来源       An empirical catalyst deactivation function is incorporated into the model accounting for the loss in activity because of coke formation on the catalyst surface during the long-term operation. 例句来源       The concentration of the surface hydroperoxide groups responsible for the chain process affects both catalyst deactivation and reactivation. 例句来源       Kinetic Models of Catalyst Deactivation in Paraffin Dehydrogenation 例句来源       The main reason for catalyst deactivation is found to be coke formation. 例句来源       更多             其他          This paper discusses the investigation on the effect of reactive activity of quadruply promoted ammonia synthesis catalyst A110 by using synthesis gas containing <5-~30ppm water vapor under high pressure. The experimental data were treated with the modified T- equation. We have found that the poisoning factor POIS=k/kTO is approximately in inverse proportion to VH2O and proportional to 6th power of absolute temperature, and minimal relation with pressure.             在高压下研究了<5—～30ppm微量水汽对四促进A110氨合成催化剂反应活性的影响。实验数据经修正的T-∏方程处理后,找到了中毒因子与水汽含量、温度以及压力诸因素之间的关系,并给出其经验关联式;获知催化剂中毒后表观活化能随毒物增加而增加;发现催化剂中毒后的动力学行为较之本征特性有较大的改变,特别是低温区。 文摘来源          This report points out that chloride ion is a poison for iron catalyst of ammonia synthesis promoted by alkali metal. Results of the experiment on adding KC1 to the system Fe-AC (active carbon)-K showed a very marked decrease in catalytic activity (Fig. la), while the addition of KC1 to the system, Ru-AC-K, activity decreases much less (Fig. lb), indicating that chloride ion is a poison for iron catalyst but has little effect on ruthenum catalyst for ammonia synthesis.Gas chromotographic study on Fe3(C3O4) ...             本文指出,氯离子是碱金属助催的合成氨催化剂Fe-AC(活性炭)-K(金属钾)体系的毒物。通过对含氯催化刑的活性测试,配合气相色谱、穆斯堡尔谱以及X-射线衍射图的研究,所得实验結果指出,KCl使催化剂中毒的机制是氯离子引起了高分散的小颗粒α-Fe的聚结,本文还讨论了氯离子对Fe体系和Ru体系催化剂的不同影响,归之于Fe系合成氨催化剂的结构敏感性。 文摘来源          The phase-transfer catalytic property of linear-chain polyoxyethylenes, the reactivity relationship between the structural of halohydrocarbons and esterification,and the effect of various solvents on yield of esters have been investiged by the reaction of halohydrocarbons with potassium acetate in L-S phase.Furthermore, the problem of catalystpoison by iodides and the solvable method have also been discussed.             通过卤代烃与乙酸钾的固-液相酯化反应,较详细地研究了链状聚氧乙烯类化合物的相转移催化性能、卤代烃的结构和酯化反应的活性关系以及各种溶剂对酯收率的影响,并研究了碘代物引起催化剂中毒的问题和解决办法。 文摘来源   << 更多相关文摘         相关查询: —表面中毒催化剂 ——表面中毒催化剂 表面中毒催化剂 表层中毒催化剂 催化剂中毒原理 中毒 抗co中毒催化剂 催化剂 臭气中毒 系列化催化剂 催化剂添加 催化剂分解  对查询结果不满意

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