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- We have gotten 81.67% N,N diethyl o methyl aniline from the residue. 由此破壞了剩余過(guò)渡液中的共沸組成，為過(guò)渡液中其他組分的回收利用創(chuàng )造了條件。
- It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate. 眾所周知，乙醇納和二乙基苯基丙二酸酯反應可以得到乙基乙酸苯酯和二乙基碳酸酯。
- Animal and vegetable fats and oils - Determination of unsaponifiable matter - Method using diethyl ether extraction. 動(dòng)植物脂肪和油。不可皂化物的測定。二已醚萃取法。
- With diethyl malonate as the extractant,the condition of extracting gold the electronic scrap was studied. 研究了采用萃取劑丙二酸二乙酯回收電子廢棄物中金的方法。
- Through nitrosation, hydrogenate reducion, and acylate three steps, the yield surpass 80% for the diethyl malonate. 收率相對于丙二酸二乙酯達到了80%25以上。
- N,N-Diisopropylethylamine(DIPEA) was prepared from diisopropylamine (DIPA) and diethyl sulfate (Et_2SO_4). 以二異丙胺 (DIPA)、硫酸二乙酯 (Et2 SO4 )為原料合成N ,N 二異丙基乙基胺 (DIPEA)。
- The preparation of 3,5-dinitroacetophenone from 3,5-dinitrobenzoic acid and diethyl malonate has been investigated. 本文采用丙二酸二乙酯合成法,以3,5-二硝基苯甲酸為原料,經(jīng)?；?、縮合、脫酸等步驟合成了3,5-二硝基苯乙酮。
- The chemisorption was the important characteristic of the interaction of jamesonite with diethyl dithiocarbamate. 化學(xué)吸附是乙硫氮與脆硫銻鉛礦相互作用的主要特征。
- 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。
- To establish a precticable method for quantifying of diethyl ketone(DEK)in the air of workplace. 建立可定量測定工作場(chǎng)所空氣中二乙基甲酮(DEK)的實(shí)用方法。
- Vapor-phase synthesis of N,N-diethyl aniline via diethyl ether over Al_2O_3 was studied. 采用乙醚作烷基化試劑,在氧化鋁催化劑上對氣相法N,N-二乙基苯胺的合成進(jìn)行了研究。
- Methods Diethyl phthalate and diethyl succinate were used for raw material to synthesize the Rubidate. 方法以鄰苯二甲酸二乙酯和丁二酸二乙酯為原料合成茜草雙酯。
- The purity of final product is 98% with yield up to 96% (in terms of diethyl malonate). 目標產(chǎn)品純度98%25，產(chǎn)率高達98%25（以丙二酸二乙酯計）。
- The necessary material of 2-(2-methoethyl) acetaldehyde diethyl acetal was synthesized in addition. 另外還合成了必需原料2-（2-甲氧基乙氧基）乙醛二乙醇縮醛。
- Changes of IR group vibrational frequency in the blends of diethyl silicone and se-bacate were studied in this paper. 研究了乙基硅油與癸二酸酯調和油的IR基團振動(dòng)頻率的變化,發(fā)現乙基硅油與癸二酸酯間存在著(zhù)相互作用。
- This flavour is synthesized by the ester interchange using diethyl oxalate and relative alcohol as materials. 這些香料都是以草酸二乙酯與相應的醇為原料,通過(guò)酯交換反應來(lái)合成的。
- Results\ The best technology was concluded to yield over 95% of enanthal diethyl acetal. 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。
- RP-HPLC absolute calibration curve method for the determination of Diethyl Maleate. 論述了高效液相色譜法測定馬來(lái)酸二乙酯含量的方法。
- The photooxidation of diethyl sulfide to diethyl sulfoxide was studied in methanol solution by using polymeric Hose Bengal as singlet oxygen sensitizer. 本工作以高分子化的孟加拉玫瑰為單線(xiàn)態(tài)氧敏化劑,對二乙基硫醚光氧化為二乙基亞砜的反應進(jìn)行了研究。
- Diethyl maleate was a synthesis from maleic anhydride and ethyl alcohol in the presence of sodium bisulfate monohydrate. 在一水硫酸氫鈉存在下,由馬來(lái)酸酐和乙醇合成了馬來(lái)酸二乙酯。
