This paper makes a summary of the photocatalysis principle of nano semiconductor particles and its application , research and merits in air purification fields.
介绍了纳米半导体材料的光催化机理，净化空气的优点和国内外相关产品开发、应用的情况。
A brief summary on the design principle, research status and advantages of the OPC was described, the current problems and application trends of the OPC was discussed.
本文首先对OPC的设计原理、国内外研究现状、存在问题以及未来的发展趋势进行了综述。
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