The activity of the co-catalysts consisting of H form zeolites ( HY, H-β and HZSM-5) and SnO in the reaction of anisole with acetyl chloride mainly depended upon the SiO2/Al2O3 molar ratio of the zeolite used.

由H型沸石(HY和H-ZSM-5沸石)和SnO組成的復(fù)合催化劑在苯甲醚與乙酰氯的跣∷低计侵夼访溃化反應(yīng)中的催化活性主要取決于所用沸石的硅鋁比。

In the acylation reaction between anisole with acetyl chloride, The catalyst of ZnCl〓/HY-98 prepared by MWI had the best catalytic activity and the selectivity of p-methoxy acetopheone. The catalytic active centers were ZnCl〓 dispersed in zeolite and the Bronsted acid sites in HY-98 zeolite itself.

在苯甲醚與乙酰氯的鮝v人人操网站在线看；磻?yīng)中欧美大黄片一级AAA特黄，微波固相法制備的ZnCl〓／Y催化劑有相對(duì)較好的催化活性和選擇性，起催化作用的主要是分散在分子篩表面的ZnCl〓和分子篩本身的B酸性视频在线视频网站。

It's soil, however, after its problems, the crop was phytotoxicity very concern, according to chlorine sulfonylurea herbicide easily after long after stubbly maize produced in the problem, residual phytotoxicity chose herbicides security agents Ⅰ compounds, N - methylene chloride acetyl groups - 5-2 - diethyl - propyl arene pbo.

它的土壤殘留問題及其對(duì)后茬作物的藥害影響亚洲一区精品视频在线观看，一直是人們極為關(guān)注的問題，故本文針對(duì)除草劑氯磺隆使用后易對(duì)后茬玉米產(chǎn)生殘留藥害的問題有99个黄色视频的黄色网站，選擇了除草劑安全劑化合物Ⅰ：N-二氯乙踉谙吖劭碅A；?5-乙基-2-丙基-1，3-惡唑烷阿v免费在线。

Naphthalene acetyl chloride was prepared firstly by the reaction between α-naphthylacetic acid and SOCl2 in anhydrous benzene,then reacted with potassium thiocyanate to obtain α-naphthalene acetyl isosulfocyanate,as taking an addition reaction with p-chloro benzoyl hydrazine the novel compound N-naphthalene acetyl-N'-p-chloro benzoylamino thiocarbamide was finally synthesized.

通過α-萘乙酸和SOC l2在無水苯中反應(yīng)制得α-萘乙酰氯超碰97在线播放，然后與硫氰酸鉀反應(yīng)生成α-萘乙酰基異硫氰酸酯a片网址免费观看，再與對(duì)氯苯甲酰肼進(jìn)行加成反應(yīng)国产精品日韩精品免费观看，生成新型化合物N-萘乙酰基-N'-對(duì)氯苯甲酰氨基硫脲日本AAA网站。

Naphthalene acetyl chloride was prepared firstly by the reaction betweenα-naphthylacetic acid and SOCl2 in anhydrous benzene, then reacted with potassium thiocyanate to obtainα-naphthalene acetyl isosulfocyanate, as taking an addition reaction with p-chloro benzoyl hydrazine the novel compound N-naphthalene acetyl-N'-p-chloro benzoylamino thiocarbamide was finally synthesized.

通過α-萘乙酸和SOCl2在無水苯中反應(yīng)制得α-萘乙酰氯图片区偷拍区综合区小说区，然后與硫氰酸鉀反應(yīng)生成α-萘乙酸基異硫氰酸酯，再與對(duì)氯苯甲酰肼進(jìn)行加成反應(yīng)日韩午夜在线高清成人影片观看免费，生成新型化合物N-萘乙豕毒啡对谙咔基－N'-對(duì)氯苯甲酰氨基硫脲。

acetyl chloride：乙酰氯

聚乙二醇 400 PEG 400 | 乙酰氯 Acetyl Chloride | N-甲基甲酰胺 n-METHYL FORMAMIDE

acetyl chloride：氯乙酰

acetyl cellulose 乙酸纖維素 | acetyl chloride 氯乙酰 | acetyl cyanide 乙酰氰

acetyl chloride：氯化乙醯基

氯化乙烯 ethene chloride | 氯化乙醯基 acetyl chloride | 氯化作用 chlorination

acetyl chloride：氯化乙酰

溴化乙酰 acetyl bromide | 氯化乙酰 acetyl chloride | 醋酸纖維 acetyl fiber

ethanoyl chloride; acetyl chloride：氯化乙酰;乙酰氯

溴化乙酰;乙酰溴 ethanoyl bromide; acetyl bromide | 氯化乙酰;乙酰氯 ethanoyl chloride; acetyl chloride | 氟化乙酰;乙酰氟 ethanoyl fluoride; acetyl fluoride