触媒

Finally, this paper states the epurate principle , the focalpoint and the marketing of photocatalyst.

就媒的净化机理,技术要点以媒产品在国内市场上的现状等问题进行了阐述。

It acts as a catalyst in the process of fermentation.

它在发酵过程中起媒的作用。

In this study, the performance of the supported metallic oxide catalysts for catalytic reduction of nitric oxide with carbon monooxide as a reducing agent were investigated.

论文主要是研究奈米金属氧化物担体媒，用于以一氧化碳为剂之一氧化反应。