查询词典 photocatalytic

Based on the characterizations such as SEM、EDS、TG-DTA、FTIR、DRS、XRD、XPS、Zeta potential and Particle size analysis, The effect of preparation conditions including washing and calcining temperature on the photocatalytic activity of N-doped photocatalysists was discussed through the photodegradation of styphnic acid (2,4,6-Trintroresorcinol).

对改性后的催化剂进行了SEM、EDS、TG-DTA、FTIR、DRS、XRD、XPS、Zeta电位测定及粒度测定等表征，研究改性催化剂的微观形貌、元素组成、化学结构、热稳定性、吸光范围、晶型、表面电荷以及在水中的粒径分布。

Solid superacid ; Sodium thiosulphate ; Photocatalytic oxidation ; TiO_2; WO_3

固体超强酸；硫代硫酸钠；光催化氧化；二氧化钛；三氧化钨

Strong photocatalytic activity shows for the degradation of trichloromethane in water by the nano-TiO_2 under irradiation of UV light.

在紫外灯辐照下，用Fe3+，Ce3+共掺杂的纳米晶TiO2可降解水中的三氯甲烷，表现出强的催化活性。

A simulated printing and dyeing wastewater, prepared using the undegraded azo dye 4BS and macromolecule chemical dye printing paste CMC as treatment object, the influence of initial pH value, initial concentration, and the concentrations of photocatalyst H2O2 and Fe(superscript 3+) to the photocatalytic degradation effect was investigated, and the related kinetic rule was explored.

以高压汞灯为光源，选用难降解偶氮染料4BS和高分子化学浆料CMC配制的模拟印染废水为处理对象，考察了初始pH值、初始浓度以及光助催化剂H2O2浓度、Fe(上标 3+)浓度对光催化降解效果的影响，并对有关的光催化反应动力学规律进行了探讨。

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。

The presence of HPAM causing the wastewater become viscously which increasing the difficulty in treatment. In the paper, the photocatalytic visbreaking for HPAM wastewater was investigated.

5由于聚合物驱污水中HPAM的存在使污水黏度增加，导致污水处理更加困难，利用光催化法对HPAM降黏进行了研究，首次提出光降黏的概念。

It was found that when pH was 3, calcining temperature was 500°C, N-doped TiO2 had best photocatalytic activity.

研究表明，在pH=3、灼烧温度为500℃时，N掺杂TiO2活性最佳。

Besides, the effect of calcining temperature and content of dopants on the photocatalytic activity is also studied by decomposing phenol.

这些不利因素均使TiO〓光催化氧化技术在水处理的实际应用中受到限制。

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。

The photocatalytic process is one of current technologies with high efficiency and economizing energy for the removal of pollutants from water.

光催化技术是一种新兴的高效节能现代污水处理技术。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！