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- diethyl chloroarsine [化] 二乙氯胂
- We have gotten 81.67% N,N diethyl o methyl aniline from the residue. 由此破坏了剩余过渡液中的共沸组成，为过渡液中其他组分的回收利用创造了条件。
- It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate. 众所周知，乙醇纳和二乙基苯基丙二酸酯反应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. 动植物脂肪和油。不可皂化物的测定。二已醚萃取法。
- With diethyl malonate as the extractant,the condition of extracting gold the electronic scrap was studied. 研究了采用萃取剂丙二酸二乙酯回收电子废弃物中金的方法。
- Through nitrosation, hydrogenate reducion, and acylate three steps, the yield surpass 80% for the diethyl malonate. 收率相对于丙二酸二乙酯达到了80%25以上。
- N,N-Diisopropylethylamine(DIPEA) was prepared from diisopropylamine (DIPA) and diethyl sulfate (Et_2SO_4). 以二异丙胺 (DIPA)、硫酸二乙酯 (Et2 SO4 )为原料合成N ,N 二异丙基乙基胺 (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3,5-二硝基苯甲酸为原料,经酰化、缩合、脱酸等步骤合成了3,5-二硝基苯乙酮。
- The chemisorption was the important characteristic of the interaction of jamesonite with diethyl dithiocarbamate. 化学吸附是乙硫氮与脆硫锑铅矿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为原料制备庚醛二乙缩醛的工艺条件。
- To establish a precticable method for quantifying of diethyl ketone(DEK)in the air of workplace. 建立可定量测定工作场所空气中二乙基甲酮(DEK)的实用方法。
- Vapor-phase synthesis of N,N-diethyl aniline via diethyl ether over Al_2O_3 was studied. 采用乙醚作烷基化试剂,在氧化铝催化剂上对气相法N,N-二乙基苯胺的合成进行了研究。
- Methods Diethyl phthalate and diethyl succinate were used for raw material to synthesize the Rubidate. 方法以邻苯二甲酸二乙酯和丁二酸二乙酯为原料合成茜草双酯。
- The purity of final product is 98% with yield up to 96% (in terms of diethyl malonate). 目标产品纯度98%25，产率高达98%25（以丙二酸二乙酯计）。
- The necessary material of 2-(2-methoethyl) acetaldehyde diethyl acetal was synthesized in addition. 另外还合成了必需原料2-（2-甲氧基乙氧基）乙醛二乙醇缩醛。
- Changes of IR group vibrational frequency in the blends of diethyl silicone and se-bacate were studied in this paper. 研究了乙基硅油与癸二酸酯调和油的IR基团振动频率的变化,发现乙基硅油与癸二酸酯间存在着相互作用。
- This flavour is synthesized by the ester interchange using diethyl oxalate and relative alcohol as materials. 这些香料都是以草酸二乙酯与相应的醇为原料,通过酯交换反应来合成的。
- 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为原料制备庚醛二乙缩醛的工艺条件。
- RP-HPLC absolute calibration curve method for the determination of Diethyl Maleate. 论述了高效液相色谱法测定马来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为单线态氧敏化剂,对二乙基硫醚光氧化为二乙基亚砜的反应进行了研究。
