查询词典 ether

Methods The plasma was alkalified by ammonium hydroxide, and fluconazole was extracted by acetic ether; and methyl parahydroxybenzoate was used as internal standard.

以对羟基苯甲酸甲酯为内标，血浆用氨水碱化后，用乙酸乙酯提取，测定血浆中氟康唑的浓度。

A suitable method for extraction of amygdalin from hawthorn has been established. At first, the lipophilic components were removed with petroleum ether by ultrasonic extraction.

建立了从山楂中提取苦杏仁甙的方法，样品先用石油醚脱脂，然后用甲醇进行索氏提取。

Crystallization was the key step in the process of extraction of amygdalin. Considering the purity and crystallization ratio of amygdalin, the amounts of ethanol and ether was chosen as 1:18 and 1:0.4, crystallization time was 36h.

结晶是分离、纯化苦杏仁苷的主要步骤，本文综合考虑结晶纯度和结晶得率，乙醇添加比为1：18，乙醚添加比为1：0.4 ，结晶时间选择36h。

So the effect of different solvents, such as methanol, ethanol, butanol, tertiary butanol, isoamyl alcohol, tertiary amyl alcohol, diethyl ether and cyclohexane, on the reaction was explored.

在文献所报道的应用K〓CO〓作催化剂、CH〓I既作促进剂又作部分反应物的由原料甲醇与二氧化碳直接合成碳酸二甲酯工作的基础上，在体系中加入离子液体emimBr后，研究了emimBr对合成反应的影响。

The market demand and technology status of the gasoline blender —tertiary amyl methyl ether and its developmental trend in China are discussed in this paper.

介绍了汽油调合剂——甲基叔戊基醚的市场情况、技术状况及国内发展动向。

The kinetics of tertamyl methyl ether synthesis using C5 fraction of FCC gasoline was studied. The molar ratio of tertiary amylene to methanol was 1.0 and the kinetic experimental data was obtained at the temperature range from 55℃ to 90℃.

研究了FCC汽油中C5馏分合成甲基叔戊基醚的宏观动力学。C5原料与甲醇摩尔比为1/1，在温度分别为55℃~90℃时反应得到了动力学实验数据。

An abdominal operation was carried out under ether anesthesis.

1月24日下午，在乙醚麻醉下行腹部手术，回肠末端被成团蛔虫所阻塞，未切开肠道，用手法将蛔虫全部排入结肠

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

To subject to the fumes of ether ;anesthetize.

用醚麻醉感受到乙醚气味；使麻醉不适合

Time dissipate s to shining ether the solid angularity of factsRalph Waldo Emerson.

时间会让事实坚固的棱角消失在明亮的天空(拉尔夫·威尔杜·爱默生)。

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。