查询词典 photocatalytic

Preparation and photocatalytic activity of core-shell structure titania photocatalyst by alcoholysis method.

采用时间控制的手段能够在一次性生长过程中得到可控核壳结构TiO2材料。

The photocatalytic activities were examined by degradation of alizarin red in sunlight and ultraviolet light.

对茜素红溶液进行了在紫外灯及太阳光下的光催化降解，测试催化剂的催化活性，确定催化剂制备条件。

Fe-ion doped TiO2 was immobilized on solid support stubstrates-SiOa using sol-gel method. The photocatalytic efficiency of the TiO2 coating was compared with nanosize powders using the degradation of benzophenol in a aqueous solution as a standard test system, the photocatalytic efficiency was found to markedly increase.

采用溶胶凝胶法制备了硅胶附载的掺杂不同量铁离子的二氧化钛薄膜，用XRD，Raman，SEM的手段进行了表征，证明该条件下制备的二氧化钛为锐钛矿相，薄膜在硅胶表面的成膜效果较好，但有一定程度的龟裂，通过光催化实验发现催化效率与纳米粉相比有明显的提高。

In this paper,we compared the photodegradation efficiency of nano-titania films by using dichloroacetic acid,rhodamine B and methyl orange as the photocatalytic referents and the ultraviolet lamp as the source light to generate the photocatalytic reaction.

针对纳米氧化钛光催化性能研究中缺乏统一有效表征标准的现状，比较了二氯乙酸、罗丹明B和甲基橙三种光催化活性评价物的热稳定性和对紫外光的稳定性，并以氧化钛纳米薄膜为光催化剂，研究了三种评价物的光催化降解效率表征，以及酸碱度、通氧条件等因素对评价物在光催化活性表征中的影响及其机理，归纳了三种评价物对于纳米氧化钛光催化活性表征的优缺点。

Nano-TiO2/SiO2 was used as catalyst to investigate the influence of different calcined temperatures on the photocatalytic activity of the catalyst for the photocatalytic degradation of heptene.

以TiO2/SiO2纳米粒子为催化剂，研究了催化剂不同焙烧温度对二氧化硫与庚烯光催化反应的影响。

Bismuth oxyhalide compounds show better photocatalytic activities than TiO2 (P25). With the increasing of X atomic numbers, photocatalytic activities of BiOX are enhanced in sequence.

卤氧化铋的光催化活性普遍优于商品TiO2 (P25)的光催化活性，并且随着卤素原子序数的增加光催化活性逐渐增强。

TiO2 photocatalyzer supported on glass were prepared with sol-gel method. The photocatalytic degradation of methylene blue was studied including the effect of the factors such as reaction time, the initial concentration and pH value on the photocatalytic degradation.

采用溶胶－凝胶法制备了玻璃负载的TiO2薄膜光催化剂，研究了该催化剂对亚甲基蓝溶液的光催化降解，考察了反应时间、水样的初始浓度、溶液的pH等对光催化降解效果的影响。

Low concentration of Fe〓 and Mn〓 could enhance photocatalytic degradation of trichloromethane、Aroclor1260 and humic acid, but when the concentration of Fe〓 and Mn〓 was high, it could prevent photocatalytic degradation.

研究发现当溶液中Fe〓及Mn〓浓度较低时，对光催化降解三氯甲烷、Aroclor1260及腐殖酸有一定的促进作用，但当浓度逐渐增加时，这些离子又对光催化降解起阻碍作用。

The experiment of photocatalytic degradation of methyl orange showed that the macroporous TiO2 photocatalyst has a high photocatalytic activity.

光催化氧化实验表明，此种三维结构的TiO2对甲基橙溶液具有较好的光催化氧化性能。

In addition, the effects of salt species in the photocatalytic degradation of DBSNa aqueous solution, the affecting factors and kinetics of photocatalytic degradation of methyl orange are investigated in the paper.

此外还对试验体系的光催化降解DBSNa的盐效应，光催化降解低浓度有机污水的影响因素和动力学进行了探讨。

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！