常見例句The recovery process for triethyl amine from crystallization mother liquor of glyphosate was presented in this paper. 本文介紹了從草甘膦結(jié)晶母液中回收三乙胺的工藝改進。Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials. 目的研究以庚醛和原甲酸三乙酯為原料制備庚醛二乙縮醛的工藝條件。Triethyl citrate was synthesized from citrate acid and ethanol using FeCl3 as catalyst and ethanol as dehydrating. 以三氯化鐵為催化劑,乙醇為帶水劑,用檸檬酸和乙醇為原料合成了檸檬酸三乙酯。The new way of synthesis triethyl orthoformate in one step was advanced using ch loroform,solid natrium hyelroxide and anhydrous ethanol. 提出采用氯仿、固體氫氧化鈉和無水乙醇一步合成原甲酸三乙酯的新方法。It was concluded that as a additive, triethyl phosphate (TEP) was prior to acetic acid for the hollow fiber membrane performance. 以磷酸三乙酯(TEP)和冰醋酸作為添加劑,分別觀測其不同含量時膜性能變化規(guī)律,認(rèn)為磷酸三乙酯作為添加劑有一定的優(yōu)越性。Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied. 以 BTEAC(芐基三乙基氯化銨 )為相轉(zhuǎn)移催化劑合成了異煙酸乙酯。 返回 triethyl