... active cooling surface 有效冷却面 ; 有效散热面 active catalysis surface 活性催化剂表面 active surface area 有效表面积 ...
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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.
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.
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.
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