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- P tolyl phenyl acetate is synthesized with Benzeneacetic acid and p cresol under presence of 4 dimethylaminopyridine(DMAP) and dicyclohexylcarbodiimide(DCC) at room temperature. 苯乙酸和对甲酚在二环己基碳二酰亚胺(DCC)存在下,用4-二甲氨基吡啶(DMAP)作催化剂合成苯乙酸对甲苯酯,反应时间短,反应条件温和,后处理容易,产率
- P tolyl phenyl acetate is synthesized with Benzeneacetic acid and p cresol under presence of 4 dimethylaminopyridine(DMAP) and dicyclohexylcarbodiimide(DCC) at room temperature.The yield is 91 6%? 苯乙酸和对甲酚在二环己基碳二酰亚胺(DCC)存在下,用4-二甲氨基吡啶(DMAP)作催化剂合成苯乙酸对甲苯酯,反应时间短,反应条件温和,后处理容易,产率高
- Keywords di( p fluorobenzyl)tin dichloride;N;N (1;5 pentylene)dithiocarbamate;synthesis;crystal structure; 二(对氟苄基)二氯化锡;N;N-(1;5-亚戊基)氨荒酸酯;合成;晶体结构;
- Keywords di p Cl benzoyl linesinine;arrhythmia;aconitine;ouabain;CaCl 2; 二对氯苯甲酰莲心碱;心律失常;乌头碱;哇巴因;氯化钙;
- I mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
- In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
- Keywords Ethoxylation;Hydroformylation;Thermoregulated phase transfer catalysis;Mono and di p polyoxyethylene substituted triphenylphosphines; 单;双-对聚氧乙烯基三苯基膦;乙氧基化;氢甲酰化;温控相转移催化;
- AB and CD intersect at (the point) P. AB线和CD线在P点相交。
- The time now is 10:00 p, m, sharp. 现在的时间是晚上10点整。
- P>
37.You save grocery bags,tin foil,and tin containers.
你保存着从杂物店买东西时包装的购物袋;保鲜纸和罐头盒. - Melissa was conceived through DI 37 years ago. 37年前,梅利莎的母亲通过人工授精怀上了她。
- We never smoked marijuana; Di you smoke? 我们从来不吸烟;你吸烟吗。
- Marco Di Vaio has pledged his future to Genoa. 迪瓦约许誓自己的未来在热那亚。
- P: Non le conosco e sono felice di poterle conoscere domani sera. 我不认识她们,很高兴明天晚上可以认识她们。
- The Strada di Chiara was as noisy as ever. 基阿拉大街跟以往一样嘈杂喧哗。
- Late Baroque towns of the Val di Noto,Italy. 意大利诺托谷的晚期巴罗克风格城镇。
- The "d" in "grandpa" has been lost by assimilation to "p". "grandpa"中的"d"因受"p"的同化而不发音。
- Dioctyl phthalate was synthesized using di n octyl tin oxide as an aprotic acid catalyst. 用氧化二辛基锡催化合成邻苯二甲酸二辛酯。
- Banca Monte Bei Paschi Di Siena S.P.A. 意大利西雅那银行
- I hear that Mr. Di is going to be promoted . 听说狄先生要升职。