• 多相催化剂吸附表面使固定在那里

    The heterogeneous catalyst first attracts the salt to its surface and holds it there.

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  • 作为金属其它金属表面,也可催化剂

    As pure metal, it is used to coat other metals (see plating) and as a catalyst.

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  • 运用红外表征手段活性抑制催化剂表面进行研究发现微量的硫酸盐生成。

    IR characterization showed that there was traced sulfate formed on surface of the catalyst after its activity was inhibited.

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  • 不同方式影响催化剂表面态,进而导致催化性能不同。

    The manner of dipping acid effects on catalysts surface then cause different catalyst performance.

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  • 组分过渡金属氧化物催化剂表面碱性测定

    The surface acidity or basicity of six-component transition metal catalyst was studied.

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  • 噻吩原料加氢裂化生成积炭存在于不同孔径中,催化剂表面形成少量机械孔。

    The coke deposited due to thiophene impenetrated into all the pores and some of them could form mechanical pore on catalyst surface.

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  • 采用特定方法金属烧结多孔材料进行表面改性催化剂复合开发出一种新型催化蒸馏构件。

    A new type of catalytic distillation column has been developed by means of surface modification and catalyst combination to sintered metal porous materials.

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  • 认为二氧化碳存在保持催化剂表面活性状态促进甲醇分解合成速率

    It corroborates that carbon dioxide can remain the active state of catalyst surface and speed the rates of methanol decomposition and methanol synthesis reactions.

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  • 本文讨论了催化剂表面SEM图象关于多重生长过程分形多重分形特性分析

    The multifractal growth process of the SEM images of catalyst surface is studied using fractal and multifractal theory.

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  • 红外光谱测试结果表明,催化剂表面主要存在L中心

    IR pattern indicated that Lewis acid centers mainly exist on the catalyst surface.

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  • 自制脉冲色谱吸附反应装置建立一种新的测定固体催化剂表面方法

    A new method for quantitatively measuring the surface acid amount of solid catalyst was set up on a self-made pulse chromatographic adsorbent reactor.

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  • WP催化剂钝化时表面层能被氧化改变体相结构

    The passivating process caused surface oxidation of WP catalysts, but did not change their crystal structure.

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  • 采用表面、孔结构XRDXPS等测试技术研究催化剂宏观结构、组成、表面铁、钼离子态和浓度

    The macrostructure, the composition of the crystal phase, the surface ion valency and concentration of the catalysts were investigated by BET, XRD and XPS techniques.

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  • 乙基选择性则与催化剂表面强度、酸性中心位置孔道结构等因素有关。

    Ethylation selectivity, was affected by strength of surface acid sites, location of acid sites and pore structure.

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  • 通过实验发现加氢催化剂活性产物收率催化剂晶粒大小表面有着直接关系

    Experiments find activity of hydrogenation catalysts and product yields have direct relation with the copper crystalline size and surface area.

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  • 通过XRDBET表面积测定表征催化剂

    Catalysts were characterized by XRD and BET method.

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  • 同时分析了孔隙率催化剂表面催化剂性能影响

    The influence of porosity and active catalyst surface area on the performance of cathode is analyzed as well.

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  • 表面钝化过程中引入催化剂表面形成氧化

    The introduced oxygen in the passivated procedure reacts with the catalyst surface to form the thin oxide layer.

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  • 表面积随催化剂制备温度制备时间增加而减小

    The specific surface area of catalyst decrease with preparing temperature increasing.

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  • FTIR表征表明反应催化剂表面乙酸物种生成,尤其是含水进料方式反应后的催化剂表面尤为明显。

    The characterization of FTIR demonstrates that the acetic acid species is adsorbed in the catalyst surface after reaction, especially the reaction with water.

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  • 由于纳米材料催化剂具有独特的晶体结构表面特性因而催化活性选择性大大高于传统催化剂

    Nanometer catalyst material had peculiar crystallographic structure and surface property, thus its catalytic activity and selectivity were too much greater than these of traditional catalyst.

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  • 指出选择适用的表面活性剂、催化剂催化剂以及工艺开发胶团催化技术关键。

    It was indicated that the selection of surfactants, catalysts and cocatalysts as well as the technological development are the key points.

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  • 催化剂乙炔加氢稳定性测试结果表明,聚合物非晶态合金表面沉积导致催化剂活性下降。

    The results of durability experiments of acetylene hydrogenation showed that the deposit of oligomer on the surface of catalysts leaded to catalysts deactivation.

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  • 实验采用TPSRTPDXPS脉冲反应方法系统研究镍基催化剂表面形态和特点

    The varieties and features of surface carbon depositions on nickel catalyst were extensively investigated by TPSR, TPD, XPS and pulse reaction methods.

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  • BET表面表明,适宜溶胶浓度可以使催化剂具有较大的比表面制备方法对比表面影响不大

    It was shown by BET surface area that the suitable concentration of silica sol could make the catalysts have bigger surface areas, but preparation method had little influence on surface area.

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  • 生物质气化粗燃气流态化重整避免燃气中颗粒物重整器堵塞,促进了催化剂还原,抑制催化剂表面碳。

    The fluidization of catalyst in the reformer had a role of avoiding the blockage of reformer, promoting the catalyst reduction and suppressing the carbon deposition on the surface of catalyst.

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  • 催化剂活性中心位于胶粒表面催化剂颗粒无定形

    The active center lay on the surface of the colloidal particle. The particles were amorphous.

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  • 结果表明催化剂失活主要原因糠醛加氢过程生成高聚物附着催化剂的活性表面

    The results showed that adhesion of higher polymers formed during the hydrogenation process onto surface of the catalyst was the main cause for deactivation of the catalyst.

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  • 实验结果表明,影响收率主要因素催化剂组成氧化不是催化剂的比表面

    The main factor influencing the yield of maleic anhydride is the phase composition or oxidation state of vanadium in the catalyst, and is not the BET surface area of the catalyst.

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  • 实验结果表明,影响收率主要因素催化剂组成氧化不是催化剂的比表面

    The main factor influencing the yield of maleic anhydride is the phase composition or oxidation state of vanadium in the catalyst, and is not the BET surface area of the catalyst.

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