光催化原理

对该半导体微粒膜的光催化原理、膜表面活性氧类的形成机理、TiO2微粒催化杀菌机理进行探讨；

The photocatalytic mechanism , reactive oxygen species forming mechanism , and TiO2 particle bactericidal mechanism of this semiconductive nanocrystalline film were investigated .

本文详细介绍了纳米TiO2的光催化原理，并结合其在污水处理、空气净化光解水制氢、太阳电池等方面的应用进一步作了深入讨论。

In this paper , the photocatalytic principle of nano-TiO_2 is introduced . According to its application in the field of wastewater treatment , air purification , hydrogen production by the photolysis of wate , solar cell etc , the photo catalytic principles of nano-TiO_2 are deeply discussed .

用熔融分相法制备TiO2光催化材料的原理基于通过调节分相结构控制析晶尺寸。

The principle of the preparation process is based on the adjustment of phase separation structure and the control of TiO_2 crystallization grain size .

介绍纳米TiO2光催化剂的催化原理、制备方法、影响催化效果的因素以及目前的应用情况。

Summarizing the catalyst principle , preparation method , factor of affecting catalysis effect and application at the present time of nanometer photocatalysis with stress on application of ceramic and polyester .

总结了TiO2光催化氧化的原理、影响因素和提高催化能力的途径，并阐述了其在净化空气方面的应用情况及存在的一些问题。

The paper deals with TiO_2 photocatalysis in terms of its mechanism and influencing factors ways of enhancing its photocatalytic efficiency , prospects for its application in treatment of waste air , and existing problems .

还介绍了光催化实验的原理，设备以及数据处理方法。

Also , we introduce the principle of photocatalytic experiment , relevant devices and the method of data processing .

本文对半导体光催化技术的原理，影响半导体光催化剂光催化性能的主要因素进行了简单的综述。

In this paper , the mechanism of semiconductor photocatalysis , the main factor affecting photocatalytic properties of semiconductor photocatalyst are briefly summarized .

本文综述了微粉化技术、荷叶效应、气球陶瓷理论、自分层技术以及光催化效应的原理，及其在改善外墙涂料自清洁性方面的应用。

This article has reviewed the technologies of micropowder , lotus effect , balloon ceramic theory , self-separation and photocatalyst and their application for improvement of self-cleaning property of coatings .

论文首先简要介绍了半导体光催化技术的基本原理，对国内外最新的TiO2光催化研究进展和目前光催化领域所面临的问题等方面进行了较为详细的总结和评述。

In this dissertation , the basic principle about semiconductor photocatalysis was reviewed briefly at first . The resent research progress and the pending problems home and abroad in the area of photocatalysis were summarized in the detail .

简述了半导体光催化氧化法的原理。

The principle of photocatalytic oxidation applied to organic pollutants by using semiconductor materials is described .

文中详细介绍了二氧化钛光催化氧化的基本原理，并以二氧化钛光催化氧化法处理有机废水实验为实例进行了分析。

This paper introduced the basic principle of photocatalytic oxidation and analysed the experimental example of the TiO_2 photocatalytic oxidation of organic wastewater treatment .

介绍了二氧化钛光催化反应的基本原理，综述了二氧化钛光催化剂的表面修饰类型、机理及效果。

The photocatalytic principles of titanium dioxide used in water treatment are introduced , and summarized the progress in the surface modification of titanium dioxide photocatalyst , concerning the types , mechanism and effects .

具体研究内容主要分为以下几部分：第一章中，简要介绍了半导体光催化技术的基本原理、主要应用及研究现状。

To elaborate the research in this dissertation , five chapters are prearranged as follows : In chapter one , the principles of semiconductor photocatalytic technology , the main applications , and ongoing research hotspots are briefly presented .

光催化技术的基本原理是，半导体光催化剂吸收太阳能，产生具有氧化还原活性的电子空穴对，进而通过一系列分解反应将有机污染物降解为无毒无害的二氧化碳和水。

The semiconductor as a photocatalyst can absorb solar energy to generate photoinduced electron-hole pairs with powerful redox ability . Through a series of degradation reactions initiated by electrons and holes , the gaseous pollutants can be decomposed into harmless carbon dioxide and water .

简要介绍了光催化剂的光催化活性原理。对光催化剂的改性，包括金属离子掺杂、表面敏化、粘土交联和复合氧化物半导体等的近期进展，做了简要的介绍。

The photocatalytic principle of semiconductors used in air and water treatment is introduced , and some recent developments in the modification for the photocatalysts , including metal ion doping , surface sensitization , clay cross-linked semiconductors and coupled oxide semiconductors , are also introduced .

以C60-TiO2纳米复合材料为光催化剂进行光催化制氢的研究，考察了复合比例、制备方式、光源等因素对产氢速率的影响，探讨了光催化制氢的反应原理。

The photocatalytic activities of C60-TiO2 nanocomposite was evaluated by photocatalytic hydrogen production . The effects of C60 content , preparation method , and light source on the rate of hydrogen evolution were investigated .