乙醚

Objective To study the treating effect of middle and high doses of acetone and aether extracts from Rumex.

目的：研究羊蹄根丙酮、乙醚提取物对小鼠血小板减少症的治疗作用。

The separation of tocopherols and tocotrienols by using the method of adsorption chromatography on silica and on silica impregnated with silver nitrate have been discussed. Satisfactory separation could be obtained with argentation column chromatography by eluting batchwise with n-hexane containing increasing amounts of diethyl ether. More than 90% of vitamin E amount in eluate was tocotrienols.

以乙醚正己烷混合溶液为淋洗液，探讨了硅胶柱层析和硝酸银硅胶柱层析分离生育三烯酚和生育酚的效果，结果表明：通过改变淋洗液中乙醚含量可以将生育酚和生育三烯酚大部分分离：硝酸银硅胶柱层析分离生育三烯酚和生育酚的效果明显高于硅胶柱层析，其洗脱液中生育三烯酚可占V〓总量的90％以上，最高达98.47％。

Conductive polythiophene film was electrochemically deposited by direct oxidation of thiophene in boron thrifluoride diethyl etherate and in the mixed electrolyte of BFEE and acetonitrile.

用电化学方法分别在纯的三氟化硼乙醚离子溶液中，三氟化硼乙醚+乙腈溶液中在导电氧化锢锡ITO电极上成功聚合噻吩。

The result indicated that: the solubility of phosphorus pentafluoride in aether was decreasing as temperature rising; when temperature rises from 0℃ to 30℃, the solubility of phosphorus pentafluoride in aether decrease from 1.5448g/mL to 0.7335g/mL.

通过实验发现，五氟化磷在乙醚中的溶解度随温度的升高而下降，当温度从0℃上升至30℃时，五氟化磷在乙醚中的溶解度从1.5448g/mL下降到0.7335g/mL。

Bone samples in the ethylether group were defatted with ethylether at 37 ℃ for 24 hours.

乙醚脱脂组采用乙醚37 ℃，浸泡24 h脱脂。

To overcome the shortcomings of traditional chemical hydrogenating, this paper studied a new synthesizing way for preparation of o-phenetidine .

本文针对传统合成邻氨基苯乙醚工艺方法中的缺点，对催化氢化法制备邻氨基苯乙醚的工艺进行了研究。

Solubility of barium chloride and barium oxide in hydrochloric acid, ethanol,acetone,ether and hydrochloric acid- ethanol,hydrochloric acid- acetone,hydrochlo- ric acid- ether has beeen studied and the separation of Ba O from Ba Cl\- 2 with hydrochloric acidethanol as the solvent has been proposed.

研究了氯化钡和氧化钡在盐酸、乙醇、丙酮、乙醚及盐酸-乙醇、盐酸-丙酮、盐酸-乙醚中的溶解性，提出以盐酸-乙醇为溶剂进行两者的分离。以 DBC- CPA为显色剂分光光度法测定氧化钡的含量，加料回收率为 98%～ 10 2 %，氧化钡含量为 0 。32 %时，平行测定 7次，相对标准偏差为 1。 58%。该法适于快速测定热处理盐浴中氧化钡的含量，对监控盐浴品质有指导意义

The liberated freebase methamphetamine which seperates is solvent extrated with two, 75-100 ml ether portions and the ether/amine solution is first washed with 50 mls of distilled water and the ether/amine solution dried with anhydrous sodium carbonate.

The yield is 80 - 88%解放freebase分隔甲基安非溶剂extrated是两个， 75-100毫升醚部分和乙醚/胺的解决办法是第一次洗了50英里的蒸馏水和乙醚/胺溶液干燥无水碳酸钠。

And the suitable conditions were concentrated the alcohol immersing liquor after the rose had been immersed 24 hours.3.Ether and ligroin were used respectively to extract rose concentrated fluid.

在有机溶剂制取玫瑰浸膏工艺的中，分别使用乙醚、石油醚对玫瑰浓缩液萃取，分液后浓缩成浸膏，结果显示，石油醚制取浸膏得率为1‰，而乙醚得率为3‰。

Tetraallylsilane was synthesized by one-step approach through the reaction of silicon tetrachloride with the partially solvated Grignard reagents formed in situ from allyl bromide and magnesium in the mixed solvents of toluene and ether.

采用一步合成方式，将3-溴丙烯与金属镁在以甲苯和供电子溶剂构成的混合溶剂中进行反应，继而与四氯化硅反应，成功合成了四烯丙基硅烷，其产率在乙醚与3-溴丙烯的摩尔比为4(V甲苯/V乙醚=1·1)时达到极值，超过了91%。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。