查询词典 photocatalysis

Based on a brief review of semiconductor photocatalytic mechanism and researches in the past 30 years on TiO2 heterogeneous photocatalysis, this paper emphasizes that the natural vanadiferous rutile and its modified products, which have not been investigated by either Chinese or foreign research groups, degrade halogenated organic contaminants. By means of grinding, heating in situ, heating, quenching and electron irradiation, the natural rutile could be modified.

在简述半导体光催化理论及TiO2多相光催化作用近30年研究现状的基础上，重点对国内外一直处於空白状态的天然含钒金红石光催化性能进行研究。

Mesoporous zincum sulfide materials have the unique character of photoelectricity, with nicer applying foreground in photocatalysis、photoconducting device、photochromic materials、electrechromic materials and so on .

硫化锌介孔材料具有独特的光电性质，在光催化、光电器件、光致变色材料、电致变色材料等方面展示良好的应用前景。

Meanwhile the driving force of photoelectric catalyzing and solar energy utilizing on photocatalysis are discussed, and its development trend and existing problems are also pointed out.

讨论了光电催化、太阳能利用等对光催化领域的推动作用，并指出在该领域的研究中存在问题和发展方向。

Nanometers photocatalytic principles and characteristics are introduced. Especially the advantages and disadvantages of decontaminating air are showed by single nanometer photocatalysis or activated carbon fibers. The advantages of their combination are analyzed.

本文重点介绍了纳米光催化原理、特点及纳米光催化或活性炭纤维单独净化空气时的优缺点，分析了将纳米光催化和活性炭纤维相结合的方式及优点。

It is an effective way to use the appropriate narrow bandgap nanosize semiconductors that is stable in chemical and biochemical conditions and not pollute the surroundings in reaction, which sensitizes nanocrysalline titanium dioxide carriers synchronously to prompt the utilization of the solar spectra and the efficiency of photocatalysis.

利用染料分子作表面敏化半导体材料和利用杂质掺杂来实现宽禁带半导体吸收光谱的扩展有一定的局限性，采用化学和生物惰性且对环境不产生二次污染的窄禁带半导体敏化同时考虑团簇颗粒粒径对载体性能的影响，是提高纳米二氧化钛光催化剂对阳光的吸收利用率和量子效率的有效方法。

Acetone and tert-butyl alcohol were two major organic products for the photocatalysis of MTBE.

MTBE之光催化含碳有机产物以丙酮和第三丁醇(tert-Butyl Alcohol， TBA)为主，水气的增加使反应路径由生成丙酮为主朝向生成TBA为主。

By coupling technology, the removal efficiency of Direct Black 168 can reach 84% within 400 min, while the removal efficiencies are only 73% and 64% using photocatalysis alone or membrane separation alone, respectively.

耦合工艺条件下复合膜6次重复使用实验表明，染料的去除效率可保持在65％以上，且复合膜孔结构稳定，没有明显地损坏，稳定性较好。

By coupling photocatalytic process with membrane separation technology, the removal efficiency of Direct Black 168 (100 mg/L) was improved obviously, being 52% within 400 min, while the values were 20% and 35% with membrane separation alone or photocatalysis alone during the same time, respectively.

以染料直接黑168作为模型污染物(100 mg/L)，实验运行400 min后，通过光催化和膜分离耦合技术，染料的去除达到52％以上，对比单独膜分离(20％)及单独光催化(35％)操作明显提高。

By coupling photocatalytic process with membrane separation technology, the removal efficiency of Direct Black 168 (100 mg/L) was improved obviously, being 52% within 400 min, while the values were 20% and 35% with membrane separation alone or photocatalysis alone during the same time, respectively.

以染料直接黑168作为模型污染物(100 mg/L)，实验运行400 min后，通过光催化pet薄膜和膜分离耦合技术，染料的去除达到52％以上，对比单独膜分离(20％)及单独光催化(35％)操作明显提高。

Nano-titania is a new functional material, and is widely used in many fields, such as photocatalysis, solar cell, gas sensor, and so on.

二氧化钛纳米材料作为一种新型的功能材料，广泛地应用于光催化处理废水和净化空气、太阳能电池、气体传感器、包装材料、涂料等领域。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。