查询词典 sulfur ether

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 epoxy-based second-order NLO polymer was synthesized through the coupling reaction between p -nitrophenyl diazonium salt and an epoxy-based precursor polymer,which was prepared by the polycondensation of diglycidyl ether of bisphenol-A and aniline Bi-component (BPAN-lA-NT/M2OS) thin films were prepared by spin-coating from the solution of BPAN-lA-NT mixed with certain amount of a cross linking agent M2OS.

通过双酚A-二与苯胺的逐步聚合反应合成环氧树脂类先驱聚合物BPAN ，进一步通过先驱聚合物的后重氮偶合反应，制备了侧链带偶氮生色团的二阶非线性光学聚合物BPAN-1A-NT。

There comes a time in every wormholes life when it will collapse into the ether.

现在每个虫生活将陷入苍穹。

Archaean cell walls lack murein, a common component of bacterial cell walls, and their lipids have ether links rather than ester links.

古细菌的细胞壁缺乏细菌细胞壁组成的普遍物质-胞壁质，其连接是醚连接而不是酯连接。

Acetic acid soluble in water, alcohol, ether and carbon tetrachloride, insoluble in carbon disulfide.

乙酸易溶于水、醇、醚和四氯化碳，不溶于二硫化碳。

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。