该文以牛油为原料，在KOH的催化作用下与甲醇酯交换反应制备生物柴油。
The biodiesel production through transesterification reaction from tallow with methanol was studied, and KOH was used as catalyst.
桥联多核结构广泛存在于生物体中金属蛋白和金属酶的活性部位，它们对生物体的生理和催化作用有着至关重要的影响。
Bridged polynuclear structure exists widely in the active sites of the metalloprotein and metalloenzyme in organisms that makes a great impact on their physiology and catalysis.
然而预处理过程不可避免地使秸秆在高温或化学催化作用下过度降解，并伴随着副产物的产生，对后续微生物发酵有抑制作用。
While, over degradation unavoidably occurs under high temperature and chemical catalytic action, and by-products formed at the same time will inhibit the following microbial fermentation.
然而预处理过程不可避免地使秸秆在高温或化学催化作用下过度降解，并伴随着副产物的产生，对后续微生物发酵有抑制作用。
While, over degradation unavoidably occurs under high temperature and chemical catalytic action, and by-products formed at the same time will inhibit the following microbial fermentation.
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