Through a series of experiments that were carefully designed, the different magnetization time and magnetic field strength made photocatalytic reaction change in varying degrees.

通過合理實驗設(shè)計，研究了磁化時間泰国一级牲交片、磁場強度對光催化的影響，討論了磁化對光催化過程的作用機理，提出磁化對光催化存在協(xié)同作用91三级毛片在线观看不卡无风险。

The results showed that the effect of the electrostatic field is very different from the traditional electrically assisted photocatalysis.

結(jié)果表明，靜電場對光催化的影響與通常的電助光催化不同又黄又大又粗的视频，電場強度越高无码粉嫩小泬无套在线观看免费，光催化效率反而降低国产又狠又黄精品视频。

The test results indicate that the zincate catalyst systems can accelerate these reactions high-effectively, so its selectivity is up to 100% and TOF is 5472h -1, and the activity and the selectivity of the catalyst are kept in six times, and the catalyst system can be availab.

研究了離子液體助催化的各種無機鹽催化劑體系用于二氧化碳和環(huán)氧化合物通過環(huán)加成反應(yīng)制備環(huán)狀碳酸酯，結(jié)果表明鋅鹽催化劑體系能夠非常高效地催化該反應(yīng)亚洲中文久久精品无码无卡，最高得到了 5 472h- 1的催化轉(zhuǎn)化頻率和 10 0 %的選擇性特级黄色一级片，催化劑使用六次以后沒有發(fā)現(xiàn)催化活性和選擇性的下降，并且該催化劑體系能夠適用于各種結(jié)構(gòu)的環(huán)氧化合物717理论午夜福利电影。

The electrocatalytic mechanism is discussed, which was due to the adsorption and the catalysis of functional groups at the electrode surface.

討論了電催化機理又硬又大又爽又无遮挡的视频，證明電極表面吸附及表面功能團的催化是發(fā)生電催化的主要原因。

In this field, the absorption on solid surface is the indispensable step of heterogonous catalysis, and the most widely applied catalysis is the one of gas on solid.

據(jù)統(tǒng)計欧美特级婬片免费播放口，世界上85%的化學(xué)制品要依靠催化反應(yīng)制得国产精品大陆，而催化與吸附關(guān)系密切，其中固體表面的吸附是多相催化的必經(jīng)步驟亚洲中文字幕一区二区三区营，應(yīng)用的最為廣泛的是氣固相的催化作用国产乱轮性爱。

The pH stability of enzyme was 8 and the temperature stability of enzyme was 30℃. Bap-degrading enzyme catalyzed the oxidation of veratryl alcohol to veratraldehyde without H2O2 and the oxidation of Mn2+ by H2O2 to Mn3+.

酵素在將veratryl alcohol氧化生成veratraldehyde時是不需要H2O2協(xié)助催化，然而在對Mn2+離子氧化生成Mn3+離子時若有H2O2協(xié)助催化下可以加快酵素催化的速度欧美性爱网站啊啊啊。

Base played a crucial role in this reaction: in the Pd2/L1 catalyzed α-arylation of ethyl malonate, K3PO4 is the base of choice; in the α-arylation of ethyl acetoacetate, K2CO3 is the most effective base.

在這類催化反應(yīng)中欧美性爱男人皇宫，堿的選擇具有重要的影響：以K3PO4為堿， Pd2/L1催化體系在丙二酸二乙酯的α-芳基化中一级无码操B免费视屏，富電子溴代芳烴顯示較好的活性8090yy成年在线看片A片； Pd2/L1催化的乙酰乙酸乙酯α-芳基化時，以 K2CO3為堿自拍少妇亚洲，催化體系顯示較好的活性日本三级a网站，這個催化體系可控制反應(yīng)得到α-芳基乙酰乙酸乙酯，而不是脫乙趸粕竟基的產(chǎn)物亚洲精品第2页。

Base played a crucial role in this reaction: in the Pd2/L1 catalyzed α-arylation of ethy malonate, K3PO4 is the base of choice; in the α-arylation of ethyl acetoacetate, K2CO3 is the most effectiv base.

在這類催化反應(yīng)中，堿的選擇具有重要的影響：以K3PO4為堿爽爽的电影AV片，Pd2/L1催化體系在丙二酸二乙酯的α-芳基化中91人妻PORNY九色最新社区，富電子溴代芳烴顯示較好的活性；Pd2/L1催化的乙酰乙酸乙酯α-芳基化時水蜜桃在线无码视频免费，以K2CO3為堿丝袜剧情国产AV办公室，催化體系顯示較好的活性，這個催化體系可控制反應(yīng)得到α-芳基乙酰乙酸乙酯WWW尤物在线，而不是脫乙?1插插插插；漠a(chǎn)物。

On this basis, chosing 15w germicidal lamp with radiation centred at 253. 7nm or 15w blacklight fluorescent lamp with radiation centred at 365nm as the light source respectively, the destruction effects of trace impurities in water by photocatalytic oxidation method using TiO〓 as an immobile phase have been investigated, and the effects are contrasted with photolysis. The investigation is mounted into Phenol aqueous solution, Hydroquinone and Humic Acid aqueous solutions国产精品永久久、three representative halohydrocarbons coexisting in main water一级迷奸影院、the comprehensive index removal of varied trace organic pollutants in main water、the removal of residual chlorine and the disinfecting action, etc..

在此基礎(chǔ)上三级黄色免费网，選擇主波長253.7nm的紫外線殺茵燈或主波長365nm的藍黑管紫外線熒光燈作為光源国产在线观看麻豆，研究了TiO〓膜固定相光催化氧化法去除水中微污染物的效果国产欧美一区，包括苯酚水溶液、對苯二酚水溶液和腐植酸水溶液的光催化氧化以及自來水中共存的三種典型的氯代烴水溶液三氯甲烷人人人人操人人干、四氯化碳和四氯乙烯的混合光催化氧化国产视频十一区、自來水中有機物總體去除效果以及光催化去除自來水中余氯的作用和光催化的消毒作用等，并進行了光解對比實驗日本超碰人人操人人摸人人干。

This thesis is concerned with studies on the ring opening reaction catalyzed by gold catalysis via carbon-carbon bond cleavages.

本文主要研究了金催化碳碳鍵斷裂的開環(huán)反應(yīng)99re66精品视频在线观看，全文共分為三個部分：第一章：對均相金催化研究進行了總結(jié)，綜述了均相金催化的研究進展麻豆免费福利视频。