查询词典 photocatalytic

Experiments of photobleaching methyl blue show that the TiO2/Pt/TiO2 film exhibits a significant photocatalytic activity of 18.1% under visible light illumination when the decomposition of methyl blue is deducted.

在可见光光降解甲基蓝的实验中，扣除甲基蓝自身的分解，TiO2/Pt/TiO2多层纳米复合薄膜2h后的光降解率为18.1%。

The Fe3+-TiO2/ATP composite photocatalyst exhibited higher photocatalytic activity for the degradation of methyl blue and the determined apparent reaction rate constant were about 1.37 times that of TiO2/ATP, 4.83 times that of P25 and 6.51 times that of neat TiO2, respectively.

Fe3+-TiO2/ATP的反应速率常数分别为TiO2/ATP、P25和纯TiO2的1.37、4.83和6.51倍。

The glass supported nanometre TiO2 film was effective for the photocatalytic decolourization of X-3B.

所制得的纳米TiO2薄膜对X-3B具有较好的光催化活性。

Our results indicated that the photocatalytic ability of ZnO tetrapods was stronger than that of TiO〓(P-25) powders.

另外通过对比实验发现，四角状ZnO纳米结构的光催能力明显强于TiO〓纳米颗粒。

The photocatalytic degradation of methyl orange using Fenton synergized by nanometer TiO2 was investigated.

结果表明：纳米TiO2强化了Fenton试剂对甲基橙的降解效率，它们之间产生了较强烈的协同效应。

Then chemical oxygen demand and total phosphorus were determinated by nano-semiconductor oxide photocatalytic method.

其次，将纳米半导体光催化氧化体系用于化学需氧量和总磷的测定，进行了有关理论探讨和实际应用的研究，取得了满意的结果。

In addition, compared with starting POMs, BET surface areas of thesolid photocatalytic materials have been improved in the different extents.

与母体多金属氧酸盐相比，上述光催化材料的 BET 比表面积均有了不同程度的提高。

ZnO nanorods ; crystal face preferred orientation ; zinc foils ; photocatalytic ; methyl orange

ZnO纳米棒；晶面择优取向；锌片；光催化；甲基橙

The result show that the N elements curbed the transition from anatase phase to rutile phase , Doped-N was in the structure of the TiO2 as the form of Ti-O-N and formed a new bond energy level;N-doped changed the paramagnetic of the characteristics. The paramagnetic resonance spectrum of TiO2 showed anisotropic and showed hyperfine splitting, The Lande factor of Ti3 + combined with the N is 1.956. UV-Vis absorption spectra showed that the photocatalytic ability of photocatalyst TiO2-xNx to expand to the visible region, the sample (3.84wt %) has the highest photo catalytic activity, the adsorption edge extend to 520nm and degradation is 55.54% under the visible light for 1.5h.

研究结果显示，N元素抑制了锐钛矿相向金红石相的转变，阻止了晶粒的长大，掺杂的N元素以O-Ti-N的形式存在于光催化剂结构中，形成了新的能级结构；N掺杂改变了催化剂的顺磁特征，使TiO2的顺磁共振谱线呈现各向异性，发生了超精细分裂，其中g2=1.956，是与N结合的Ti3+的朗德因子；紫外可见光吸收谱表明，催化剂TiO2-xNx的光响应能力拓展到可见光区，光吸收带发生红移；光催化测试结果显示，掺杂量为3.84的TiO2-xNx在可见光区的响应能力最高，吸收波长延伸至520nm，其光催化活性最大，1.5h降解率达到55.54%。

The TiO2 thin film on quartz glass is prepared by Liquid Phase Deposition method. The thicknesses of the films are determined by a spectrophotometer. The influence factors on the thicknesses such as ultrasonic vibration, times of sedimentation, sedimentation time and concentration of TiO2 colloid are investigated. A mathematical model of sedimentation is set up on the basis of gas adsorption theory.A photocatalytic continual tub reactor is set up.

本论文介绍了纳米TiO_2光催化降解甲醛的机理；用液相沉积法在石英基片上制备出纳米TiO_2薄膜，利用分光光度计间接测量TiO_2薄膜厚度，研究了超声波震荡、胶体浓度、沉积时间及沉积次数对薄膜厚度的影响；借鉴气体吸附理论，初步建立了制备TiO_2薄膜的沉积动力学模型。

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！