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

就的净化机理,技术要点以及产品在国内市场上的现状等问题进行阐述。

It acts as a catalyst in the process of fermentation.

它在发酵过程中起的作用。

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.

本论文主要是研究奈米金属氧化物，用于以一氧化碳为还原剂之一氧化氮还原反应。