醚的

Objective To investigate the effects of methyl tertiary butyl ether on the FOS protein in central nervous system of the rats. Methods 54 SD healthy adult-rats weighed 180~220g were involved in this study.

目的 通过研究甲基叔丁基醚对大鼠中枢神经系统Fos蛋白的影响，探讨MTBE对中枢神经系统急性毒作用部位。

In the light of different etherificate substituted group ,they are classfied 3 kinds:ionic,non-ionic and mixed ones.

按其醚化取代基电离性能的不同，可分为离子型、非离子型以及混合型三大类。

Benzene, toluene, ethylbenzene, xylenes isomers and methyl tert-butyl ether exist widely in the groundwater contaminated by gasoline.

中文摘要苯、甲苯、乙苯、对二甲苯与甲基第三丁基醚(methyl tert-butyl ether，简称MTBE)普遍存在汽油污染的地下水中。

METHODS: We studied 16 volunteers in an unblinded crossoverdesign to assess the correlation of entropy values with behavioralend points during sedation with either propofol or sevoflurane.

我们用非盲交叉设计对16名志愿者进行研究，来评价丙泊酚或七氟醚镇静过程中，光谱熵与行为指标之间的相关性。

The article explained the study on oil extraction with petroleum ether (60~90℃) from Xanthoceras sorbifolia Bunge. through single factor test and orthogonal test. It confirmed the optimum extraction condition were as follow: particle size 2 mm,extraction temperature 90℃,extraction time 10 h,ratio of solvent to seed 5:1.

摘要以石油醚（60~90℃）为溶剂，通过单因素和正交实验优化了提取文冠果种子油工艺，得到的最佳工艺参数为：种仁粒径为2 mm，提取温度为90℃，提取时间为10 h，料液比为1：5。

Anesthesia was induced with3 mg/kg of thiopental and was maintained with sevoflurane and50% nitrous oxide.

麻醉诱导用3 mg/kg 硫苯妥钠，用50%的笑气和七氟醚维持麻醉。

Oxidation products of nitrogen compound can decompose peroxide.

甲基苄基硫醚具有很高的对氧活性，氧化生成砜。

At the same time, it is an important reaction medium in the manufacture of polyether sulfone hollow fiber membrane.

同时，它也是生产共混聚醚砜中空纤维膜的重要反应溶剂。

The invention relates to a phospholipid modification polyether sulfone ultrafiltration membrane which resists protein pollution and a preparation method thereof.

本发明涉及一种抗蛋白质污染的磷脂改性聚醚砜超滤膜及制备方法。

Preparation of unsymmetrical selenides via the reaction of arylselenol with alkyl halides needs at least equal molar cesium hydroxide as the base.

通过卤代烃与硒酚反应合成了不对称硒醚，至少要使用等摩尔的氢氧化铯作碱，与氢氧化钾相比，氯化铯价格昂贵。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。