本文应用脉冲色谱法，对镍基催化剂上H_2和H_2O的不可逆吸附，以及CO和它们的反应情况进行了研究。
The chemisorption of H_2 and H_2O, and their reactivity with CO on a Ni catalyst were investigated using pulse reactor.
乙醛脱氢酶(ALDH)催化乙醛变成相应的羧酸化合物的一系列不可逆氧化反应。
Aldehyde dehydrogenases (ALDHs) catalyze the irreversible oxidation of a wide range of reactive aldehydes to their corresponding carboxylic acids.
乙酸乙烯酯作为酰基供体兼溶剂，在有机相中1 -苯乙醇与乙酸乙烯酯在脂肪酶的催化下发生不可逆的转酯化反应。
To determine the effection of immobilization, the selectively transesterification of 1-phenyl ethanol, with vinyl acetate as both the acyl donor and the solvent, was taken as the model reaction.
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