多相催化剂先将盐吸附在它的表面并使它固定在那里。
The heterogeneous catalyst first attracts the salt to its surface and holds it there.
作为纯金属时可镀于其它金属表面,也可作催化剂。
As pure metal, it is used to coat other metals (see plating) and as a catalyst.
运用红外表征手段对活性抑制后的催化剂表面进行研究,发现有微量的硫酸盐生成。
IR characterization showed that there was traced sulfate formed on surface of the catalyst after its activity was inhibited.
不同的浸酸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.
六组分过渡金属氧化物催化剂的表面酸碱性测定。
The surface acidity or basicity of six-component transition metal catalyst was studied.
含噻吩原料加氢裂化生成的积炭,存在于不同孔径的孔中,在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.
采用特定的方法对金属烧结多孔材料进行表面改性和催化剂复合,开发出一种新型的催化蒸馏构件。
A new type of catalytic distillation column has been developed by means of surface modification and catalyst combination to sintered metal porous materials.
认为二氧化碳的存在能保持催化剂表面的活性状态,促进甲醇分解与合成的速率。
It corroborates that carbon dioxide can remain the active state of catalyst surface and speed the rates of methanol decomposition and methanol synthesis reactions.
本文讨论了催化剂表面SEM图象关于多重分形生长过程的分形和多重分形特性分析。
The multifractal growth process of the SEM images of catalyst surface is studied using fractal and multifractal theory.
红外光谱测试结果表明,催化剂表面主要存在L酸中心。
IR pattern indicated that Lewis acid centers mainly exist on the catalyst surface.
在自制的脉冲色谱吸附反应装置上建立了一种新的测定固体催化剂表面酸量的方法。
A new method for quantitatively measuring the surface acid amount of solid catalyst was set up on a self-made pulse chromatographic adsorbent reactor.
WP催化剂钝化时,其表面层能被氧化,但不改变其体相结构。
The passivating process caused surface oxidation of WP catalysts, but did not change their crystal structure.
采用比表面、孔结构、XRD和XPS等测试技术研究了催化剂的宏观结构、晶相组成、表面铁、钼离子价态和浓度。
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.
乙基化的选择性则与催化剂的表面酸强度、酸性中心位置和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.
通过实验发现,加氢催化剂的活性和产物收率与催化剂中铜晶粒大小及表面积有着直接的关系。
Experiments find activity of hydrogenation catalysts and product yields have direct relation with the copper crystalline size and surface area.
通过XRD及BET表面积测定表征催化剂。
同时分析了孔隙率和催化剂表面积对催化剂层性能的影响。
The influence of porosity and active catalyst surface area on the performance of cathode is analyzed as well.
而在表面钝化过程中引入的氧则在催化剂表面形成氧化薄层。
The introduced oxygen in the passivated procedure reacts with the catalyst surface to form the thin oxide layer.
比表面积随催化剂制备温度和制备时间的增加而减小。
The specific surface area of catalyst decrease with preparing temperature increasing.
FTIR表征表明反应后的催化剂表面有乙酸物种生成,尤其是在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.
由于纳米材料催化剂具有独特的晶体结构及表面特性,因而其催化活性和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.
指出选择适用的表面活性剂、催化剂、助催化剂以及工艺开发是胶团催化技术的关键。
It was indicated that the selection of surfactants, catalysts and cocatalysts as well as the technological development are the key points.
催化剂的乙炔加氢稳定性测试结果表明,聚合物在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.
实验采用TPSR、TPD、XPS和脉冲反应等方法系统研究了镍基催化剂表面积碳的形态和特点。
The varieties and features of surface carbon depositions on nickel catalyst were extensively investigated by TPSR, TPD, XPS and pulse reaction methods.
BET比表面表明,适宜的硅溶胶浓度可以使催化剂具有较大的比表面积,但制备方法对比表面积影响不大。
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.
生物质气化粗燃气流态化重整,避免了燃气中颗粒物对重整器的堵塞,促进了催化剂的还原,并抑制了催化剂的表面积碳。
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.
催化剂的活性中心位于胶粒表面,催化剂颗粒是无定形的。
The active center lay on the surface of the colloidal particle. The particles were amorphous.
结果表明,催化剂失活的主要原因是糠醛加氢过程中生成的高聚物附着在催化剂的活性表面。
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.
实验结果表明,影响顺酐收率的主要因素是催化剂的相组成及钒的氧化态,而不是催化剂的比表面积。
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.
实验结果表明,影响顺酐收率的主要因素是催化剂的相组成及钒的氧化态,而不是催化剂的比表面积。
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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