... pelagic zone 远洋区 pelleted catalyst 粒状催化剂 penetration time 渗透时间; 穿透时间 ...
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... granular catalyst 粒状催化剂 granulated catalyst 粒状催化剂 guard catalyst 保护催化剂 ...
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... Friedel-Crafts catalyst 弗瑞德-克来福特催化剂[烃化催化剂] granular catalyst 粒状催化剂 granulated catalyst 粒状催化剂 ...
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流化床粒状催化剂 fluent granular solids
研究了18种具有不同孔结构参数的铜基甲醇合成粒状催化剂孔隙率对有效扩散系数的影响。
The influence of porosity on the effective diffusion coefficients was studied for 18 of Cubased catalysts, which have the different pore structure parameters.
因为纤维催化剂比粒状催化剂的外表面积大得多，而直径却小得多，因而予计对扩散控制的快速表面反应是有利的。
Because of its much larger external surface area and much smaller pore diameter than granular carriers, it is expected to benefit diffusion-controlled fast surface reactions.
以草酸和正丁醇为原料，采用颗粒状活性炭固载对甲苯磺酸作催化剂合成草酸二丁酯。
Dibutyl oxalate was synthesized with oxalic acid and n-butanol as raw materials and p-toluene sulphonic acid supported on granular active carbon as the catalyst.
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