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photocatalysis n.【化學】光催化作用。

photocatalyst

Tio2 film is antibacterial through photocatalysis . the silver doped tio2 film baffle the separate of electron and cavity , change the energy gap ' s framework of tio2 , and improve its activity performance of photocatalysis 二氧化鈦薄膜是光催化抗菌,摻銀二浙江人學幀卜論義氧化鈦薄膜阻止光生電子一光生空穴的分離,改變了tioz的能帶結構,提高了它的光催化活性。

The photocatalytic - oxidation of h2s was carried by augmenting the reactor , enhancing the light intensity and increasing the quantum of tio2 . the result showed that it was unreality to destruct the h2s in the methane in the country by photocatalysis 在原有實驗的基礎上,增大反應器的體積,增加光源的強度,增大催化劑的擔載量,對h _ 2s進行光催化氧化消除。

The composition and microstructure of the resulting samples are studied by xrd and tem . these results show that the range of particle size of tio2 is from 20 to 30 nm . the mechanism of tio2 photocatalysis reaction has been discussed 所制樣品的組成與微觀結構用x射線粉末衍射( xrd )和透射電子顯微鏡( tem )表征,結果表明tio _ 2樣品的粒徑范圍在20 30nm之間。

The hydropilicity and photocatalysis of the samples were studied . the effects of the substrate temperature , carrier gas flux , o2 flux and n doping level on the microstructure , composition and properties of the films have been studied synthetically 文章系統研究了基板溫度、載氣流量、 o _ 2流量和n摻雜量等工藝參數對tio _ 2薄膜微結構、組成和性能的影響。

Plasma / photocatalysis system which combines the advantage of non - thermal plasma with that of photocatalysis with synergetic effect is a high effective technology for decomposition of vocs with low energy consumption 摘要低溫等離子體光催化協同凈化技術集成了低溫等離子體和光催化的優勢,兩者相互協同,優勢互補,是一種非常高效、節能的降解有機廢氣的方法。

In addition , in order to improve titanium dioxide whisker activity of photocatalysis , metal pt particles were deposited on the surface of titanium dioxide whiskers . the afm images show that the pt particles are too big 另外,為了提高二氧化鈦晶須的光催化活性對其表面進行金屬pt的沉積,所得afm圖像表明pt顆粒在氧化鈦晶須表面較大,仍需進一步的實驗。

The defects energy levels intensity became smaller , the electrons on the conduction band became more and photocatalysis became better with the heat treatment temperature , the similar conclusion was drawn from experiments 隨著熱處理溫度的升高,試樣的缺陷能級密度減小,導帶上光生電子的數目相應增大,光催化效率提高,實驗中也得出了同樣的結論。

In recent twenty years , environmental photocatalysis has been widely applied in purifying air and eliminating organic contamination of water . it becomes one of the most important applied facets of heterogeneous catalysis 近二十年來,環境光催化在凈化空氣和水中的有機污染物方面獲得了廣泛的應用,成為多相光催化的一個重要應用方面。

Titanium dioxide is a semi - conductor with wide band gap , and its photocatalysis operates only when it is irradiated under the ultraviolet radiation of sunlight , and also , the electron hole of tio _ 2 has very high reunited rate 但由于tio _ 2為寬禁帶半導體,對太陽光的利用僅局限于紫外部分,并且tio _ 2的光生電子空穴復合幾率很高。

Recent progress in the synthesis and characterization of quantum - sized zno shows that it is a very interesting material that can be used in photoelectric conversion , photocatalysis , sensing device and panel display 隨著量子尺寸zno微粒研究的深入,此類材料的應用進一步拓展到光電轉換、光催化、化學傳感器、平板顯示等領域。

The advances on plasma / photocatalysis including mechanism , spectrum , removal influence factors and synergy were introduced , and further development of technology was also presented 介紹等離子體光催化協同凈化有機廢氣國內外研究進展,從作用機理、等離子體光譜、影響因素、協同等方面進行了闡述,并指出了今后研究的方向。

Mingren liu was born in linyi in shandong province in 1985 . he is a graduate of university of jinan who majors environment engineering and engages the research of the photocatalysis 楊曦女1985年生山東濟南人濟南大學環境工程專業碩士研究生,主要進行柴油車尾氣凈化和工業尾氣處理方面的學習和研究。

Nano - photocatalysis technique opens a vast and applicable foreground which no matter what in the aspect of making use of the solar energy and in managing the environment pollution synthetically 而納米光催化技術無論在利用太陽能方面還是在綜合治理環境污染方面都展現出了廣闊的應用前景。

Mingren liu was born in linyi in shandong province in 1985 . he is a graduate of university of jinan who majors environment engineering and engages the research of the photocatalysis 劉明仁男1985年生山東臨沂人濟南大學環境工程專業碩士研究生,主要從事光化學催化方面的學習和實驗研究。

In this thesis , the relationship between environment temperature of photocatalysis reaction and photocatalytic activity of nanosize tio2 and nanosize ag - tio2 was studied 研究了光催化環境溫度等因素對水熱制備的納米tioz和納米ag汀102的光催化活性的影響規律。

As the ideal material of photocatalysis , titanium dioxide thin films , which have now been got an extensive research , are applied in environmental protection widely 二氧化鈦薄膜作為光催化的理想材料,在環保領域有巨大的應用潛力,目前已經得到了廣泛的研究。

Application of photocatalysis in organic synthesis , mainly polymerization , olefins oxidation and carbonylation was reviewed , and trends in the field outlined 摘要綜述了光催化在有機反應,主要是在聚合反應、烯烴氧化、羰基化等領域的應用以及將來的發展趨勢。

In order to increasing the photocatalysis of tio _ ( 2 ) - glass , the essence , character and influential factors of tio _ ( 2 ) photocatalysis were analyzed firstly 這兩個環流是兩種能量轉化的過程具體表現,其一、光能?電勢能?光能;另一、光能?電勢能?化學能。

The titania photocatalysts have been research quartern century . it has characteristic of photocatalysis which is excellent performance of environmetal cleanup 二氧化鈦光觸媒已發展了25年,它具有光催化的特性,是一非常出色的環境清凈的光觸媒。