查询词典 diethyl ether

Rats were fed a purified diet for 6 wk before anesthesia with1 of 3 anesthetics: carbon dioxide, diethyl ether, or isoflurane.

大鼠在用纯净的饲料喂养6周后，分别用二氧化碳、乙醚、异氟醚麻醉。

Thermodynamics analysis for the reaction system showed that high-temperature was favorable to produce ethylene, but byproduct diethyl ether yield increased under low-temperature.

对乙醇脱水的热力学分析表明，高温有利于目的产物乙烯的生成，低温有利于副产物乙醚的生成。

The reaction was stirred for the given time (the reaction was followed by TLC) after which the methanol was removed and the residual ionic liquid was extracted with diethyl ether (3 15 mL).

反应搅拌为在给定的时间（反应，其次是薄层色谱法）后，其中甲醇被删除，剩余的离子液体中提取二乙酯基醚。

The gassypol was extracted from cotton root bark by the method of diethyl ether.

方法利用乙醚超声萃取法提取棉花根皮中的棉酚，洗涤、浓缩得到棉酚粗产品；研究了各种实验条件对棉酚产率的影响，采用分光光度法测定该成分含量，作为评价指标。

When the reaction was finished, the ligand was extracted with CH2Cl2 and precipitated upon addition of diethyl ether followed by filtration.

2配体2在丙酮/水体系中催化/又种烯烃的AD反应，非链端烯烃的立体选择性(80一99%ee)明显优于链端烯烃(51一62%ee)。

Thermodynamic analysis is carried out for the compound reaction system of diethyl ether and methanol from synthesis gas. The equilibrium composition and the selectivities in equilibrium are calculated for different initial compositions, temperature and pressure.

确定了合成气直接合成二甲醚与甲醇的复合反应体系独立方程数，并进行了热力学计算与分析，计算了不同初始组成、温度、压力下复合反应体系的平衡组成及平衡条件下二甲醚与甲醇的选择率。

After removal of diethyl ether with a stream of nitrogen, the residue was re-dissolved in 1 mL of mobile phase for HPLC injection.

该方法采用C18柱进行分离，以冰乙酸-四氢呋喃-甲醇-水(体积比为1∶2∶10∶87)为流动相，以香草酸为内标，于264 nm处进行紫外检测。

Recently Kuang reported a recoverable and reusable free ligand that could be recovered by precipitation upon addition a little of diethyl ether.

本文所说的小分子并不是通常人们所说的NO、CO和CO_2等小分子，而是相对于大分子而言，这些手性配体是小分子(FW＜1000)。

The hydrochloride salt can be prepared by dissolving the oil in 10x the volume of diethyl ether and gassing the solution with dry HCl gas until no more precipitate forms.

至于盐酸盐能这样来制备：把上述液体溶解在10倍体积的乙醚中，通入干燥的盐酸气体，直到液体的沉淀不再增加为止。

The reaction result showed that the reactivity of Grignard reagent was different in THF and diethyl ether when subjected to substitution reaction, which gave three products with different substitution degree.

研究表明，生成的Grignard试剂在THF和乙醚中的反应性不同，与甲基三硅烷或四乙氧基硅烷发生取代反应时生成不同取代度的产物，控制反应条件可得到以单取代、双取代或三取代硅烷为主的产物。

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。