diketen

常見例句

In this paper,the reaction rule of diketen reacting with different alcohols under acid base catalysis was investigated.
研究了二聚乙烯酮與不同結(jié)構(gòu)的醇在酸、堿催化下的反應(yīng)規(guī)律，并用烷基電子效應(yīng)的新觀點(diǎn)解釋了這個(gè)規(guī)律。
Twelve alkyl aeetoacetates were prepared by the reaction of diketen with alcohols,and then the compounds were characterized by the boiling points,refractive indices and infrared spectra.
本文以雙乙烯酮與各種醇反應(yīng)得到了12種乙酰乙酸酯,并通過沸點(diǎn)、折光率和紅外光譜對(duì)這些化合物進(jìn)行了確認(rèn)。
Nantong Acetic Acid Chemical is mainly producing diketen derivatives, alcohol derivatives & pyridine derivatives.The company is under the control of ISO9001(2000) system, HACCP system and ERP system.
南通醋酸化工是生產(chǎn)雙乙烯酮衍生物;乙醇衍生物;及吡啶衍生物的大型化工企業(yè);年銷售收入5億元.;公司通過了ISO9001:2000認(rèn)證和HACCP食品安全控制體系認(rèn)證，并實(shí)施ERP管理。
Keywords diketen;acid base catalysis;acetoacetic ester;
二聚乙烯酮;酸堿催化;乙酰乙酸酯;