查询词典 ether

NONE American surgeon and pioneer anesthetist who was among the first (1842) to use ether as an anesthetic.

朗，克劳福德·威廉森：(1815-1878)美国外科医生，麻醉师的先驱，是最早使用乙醚作麻醉剂的人之一

The weight ratio of decabromodiphenyl ether and antimony oxide influenced both the flame retardance and mechanical properties.

结果表明：三氧化二锑与十溴联苯醚复配后对阻燃体系的热稳定性产生影响，而且阻燃体系的热分解速率与二者的配比有密切关系。

Decabromodiphenyl ether and antimony oxide were used as flame retardant system.

用十溴联苯醚和三氧化二锑作为阻燃体系，对阻燃PC/ABS合金的力学性能、热性能、阻燃性能进行了检测。

The p-tolyl benzyl ether was synthesized by reaction of p-cresol and benzyl chloride in 95% ethanol as solvent and under microwave irradiation.

以95%的乙醇为溶剂，以氯化苄和对甲苯酚为原料利用微波辐射加热合成对甲苯基苄基醚。

Under the optimal conditions, the conversion of benzyl chloride is nearly 100% during esterification, and the total yield of benzyl alcohol is higher than 98%, the percent of benzyl ether is lower than 2%.

氯化苄在酯化反应中基本反应完全，苯甲醇的两步总选择性可以达到98%以上，二苄醚的含量低于2%。

Using phenol and benzyl chloride as raw materials and N,N-dimethyl formamide as solvent, benzyl phenyl ether was synthesized under microwave radiation.

采用微波辐射技术，以苯酚、氢氧化钾和氯化苄为原料，N，N-二甲基甲酰胺为溶剂合成了苄苯醚。

Castor seeds were degreased with 3 kinds of solvents including petroleum ether, aether and methylene chloride, and ricins were extracted from the defatted castor cake with acetic acid solution. And the rat-killing activities of 3 kinds of ricins were compared in the rat-killing activity test.

方法］用石油醚、乙醚、二氯甲烷3种溶剂分别对蓖麻粗籽进行脱脂后，用醋酸水溶液从脱脂的蓖麻饼中提取蓖麻毒蛋白，通过杀鼠活性试验比较3种蓖麻粗毒蛋白的杀鼠活性。

Castor seeds were degreased with 3 kinds of solvents including petroleum ether,aether and methylene chloride,and ricins were extracted from the defatted castor cake with acetic acid solution.

方法用石油醚、乙醚、二氯甲烷3种溶剂分别对蓖麻粗籽进行脱脂后，用醋酸水溶液从脱脂的蓖麻饼中提取蓖麻毒蛋白，通过杀鼠活性试验比较3种蓖麻粗毒蛋白的杀鼠活性。

Buluofen is powder of white crystallization sex, in the Yi Rong in alcohol, acetone, 3 chloric firedamp or ether, in water scarcely dissolve, in hydrogen oxidation natrium or sodium carbonate try the Yi Rong in fluid.

布洛芬是白色结晶性粉末，在乙醇、丙酮、三氯甲烷或乙醚中易溶，在水中几乎不溶，在氢氧化钠或碳酸钠试液中易溶。

Soluble comb-shaped polyether phosphate type polymer LPEP was obtained by polymerizing the phosphate macromolecular monomers with long side chain, which was prepared by reacting polyethylene glycol mono methyl ether and other compound with phosphoryl oxychloride.

来源：ABCd7论文网www.abclunwen.com对分子结构和合成工艺进一步改进，采用聚乙二醇单甲醚等与三氯氧磷反应合成了长链型磷酸酯大分子单体，聚合得到可溶性的梳状聚醚磷酸酯型聚合物LPEP。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。