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- diethyl thiourea 二乙硫脲
- Presence of carcinogenic thiourea in solutions has limited its use in USA. 由于存在致癌硫脲成分,使其在美国使用受到限制。
- 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。
- Diphenyl thiourea is an important intermediate of medicine and dyestuff. 二苯硫脲是重要的医药和染料的中间体。
- Thiourea Dioxide,Sodium Percarbonate,Pulp bleaching agent FAS,Furfural. 销售产品:二氧化硫脲,过碳酸钠,FAS纸浆漂白剂,糠醛,糠醇。
- 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。
- The adsorption behaviour of thiourea (TU) on Armco iron was investigated in 0.5mol. 本文通过测定Armco铁在0.;5mol
- 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。
- A new process,urea-calcium cyanamide method,for producing thiourea from urea and hydrogen sulfide is proposed. 利用尿素和硫化氢等原料制备硫脲,提出了尿素-氰氨化钙法新工艺。
- 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)。
- A modified procedure for preparing methyl mercaptan from dimethyl sulfate and thiourea is presented. 提出一种以硫酸二甲酯和硫脲为基本原料的合成甲硫酸的改进方法。
- The preferred orientation of settled nickel layer didn't change with the concentration of thiourea. 另外,沉积层的择优取向不随硫脲浓度的变化而改变。
- 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。
- The MZW of ADP increased with the addition of ammonium sulfate or sodium, citric acid or thiourea. 添加剂硫酸铵、柠檬酸钠和硫脲均能使磷酸二氢铵溶液的介稳区变宽。
- 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。
- Bismuth sulfide nanorods were synthesized in ionic liquid using bismuth nitrate and thiourea as precursor. 采用硝酸铋和硫脲为先驱原料,以离子液为反应介质,合成了硫化铋单晶纳米棒。
- 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。