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- Keywords Phenobarbital: Ethyl phenylacetate;diethyl forminate;Environmentally Friendly Synthesis; 苯巴比妥;苯乙酸乙酯;碳酸二乙酯;绿色合成;
- diethyl forminate 碳酸二乙酯
- Desirable result was achieved in the design of formin... 经对某型号纯平彩色显像管荫罩模设计,取得了良好的效果。
- 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 of no consequence that a part, or even the whole of it, is in a formin which it cannot directly supply the wants of labourers. 其中一部分甚或全部，是否能直接用来满足工人的需要，这无关紧要。
- The simulation results are useful for product quality and the profile designed in continue roll formin... 本文的结果对辊弯成形中的产品质量的控制和孔型的优化有着重要意义。
- The formin g of eutectic ice around evaporative coils is calculated based on quasi-steady- st ate approach. 降低蒸发温度,减少冷板外热负荷,可以明显减少共晶冰的冻结时间;
- 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。
- Bubbles of water vapour formin the blood and travel through the circulatory system, obstructingblood flow. 血液中的水分迅速蒸发，然后通过循环系统波及全身，阻塞血液流动。
- 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。
- By answering these questions, the writer makes an anolysis about the formin mechanism of delayed export drawback. 等三个方面的问题，对出口欠退税现象的形成机理进行了探讨。
- 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 characteristic of tied-arch bridge is a no-thrust arch structure by tensing the tied bar formin. 中承式系杆拱桥是拱桥家族中的一员，它的特点是靠系杆承受拱脚推力，是一种无推力的自平衡体系。
- 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。
- The extent of insurance is stipulated in the basic policy formin the various risk clause. 保险的范围写在基本保险单和各种险别的条款里。
- 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)。
- Experiments proved that cutting action is predominant at lower angles,and vertical stress formin... 电子扫描电镜证实,两种材料在低攻角下主要受切削作用的影响,大攻角时以正向应力为主。
- 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。
- It is of no consequence that a part,or even the whole of it,is in a formin which it cannot directly supply the wants of labourers. 其中一部分甚或全部，是否能直接用来满足工人的需要，这无关紧要。
