查询词典 ethanol

Methods Silica gel column chromatography and PTLC were used to separate and purify the compounds from the petroleum ether soluble fraction of ethanol extract.

方法用硅胶柱色谱和制备薄层等方法从乙醇提取物的石油醚萃取部位分离化合物，通过波谱方法鉴定其结构。

The analgesic active substances of Meconopsis quintupcinervia Regel contain in ethanol extract mainly, then in petroleum ether extract.

五脉绿绒蒿的镇痛活性物质主要存在于乙醇提取物中，其次是石油醚提取物。

Results: The extracts of ethanol, petroleum ether and ethyl acetate of Rhizoma Amorphophalli have inhibitory effect on the proliferation of cell SGC-7901, and the extract of petroleum ether has much more evident effect, showed a dose-effect curve.

结果：蛇六谷醇提取物、石油醚萃取物和乙酸乙酯萃取物均具有一定的抑制人胃癌SGC-7901细胞增殖的作用，以石油醚萃取物的抑制作用最为明显，呈现较好的剂量－效应曲线。

AIM To investigate the therapeutic effect of ethyl acetate extract from Pongamia pinnata roots on ethanol-induced gastric lesions.

目的研究水黄皮根乙酸乙酯萃取物对乙醇致胃黏膜损伤的治疗作用。

In Brazil, about forty percent of all motor fuel is ethanol, also known as ethyl alcohol.

在巴西，大概百分之四十的发动机燃料是乙醇，也就是为人所熟知的普通酒精。

In Brazil, about40% of all motor fuel is ethanol, also known as ethyl alcohol .

在巴西40%机油是酒精，也是熟知的乙醛酒精。

And the operational condition was as follows: 100-200 mesh silica gel to be the stationary phase, solvent system of methlene chloride: ethyl acetate: ethanol = 80:35:5 to be the eluent, the flow rate of the eluent to be 2.0 mL/min, the feeding concentration of pristinamycins to be 2.26 g/L, the total loading amount of the silica gel to be 0.81 mg/g and the temperature to be 25℃.

优化后的柱层析操作条件为：选用100～200目的硅胶，二氯甲烷：乙酸乙酯：乙醇=80：35：5为洗脱剂，流速为2.0 mL／min，普那霉素的进样浓度为2.26g／L，硅胶的总负载量约为0.81 mg／g，温度为25℃。

A method for determining contents of seven kinds of residual organic solvents such as methanol, ethanol, methylene chloride, ethyl aetate, toluene, tetrahydrofuran and acetic acid in a new pharmaceutical-developing (UP0044) was established by capillary gas chromatography.

建立了测定新药UP0044中甲醇、乙醇、二氯甲烷、乙酸乙酯、甲苯、四氢呋喃、乙酸7种有机溶剂含量的方法，以确定它们在药物中的残留量和比例。

The effects of different entrainers(methanol,acetone,ethyl acetate,petroleum ether and ethanol of different concentrations) on the diosgenin extraction rate were studied.

探讨了乙醇、甲醇、丙酮、乙酸乙酯、石油醚作为夹带剂以及在无夹带剂的条件下，对薯蓣皂素收率的影响。

Dissolve in ethanol, ethyl ether, chloroform and other organic solvents.

1，4-二［2-（4-吡啶）乙烯基］－苯是一种暗红色固体。

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。