a fragrant colorless flammable volatile liquid ester made from ethanol and acetic acid; used in flavorings and perfumes and as a solvent for plastics

ethyl acetate displayed not only as a solvent for two-phase reaction, but also as a pro-reducing (agent).

乙酸乙酯不仅作两相反应的溶剂，而且也提供还原剂乙醇。

the ethanol extract from the twig bark powder of periploca sepium was suspended in water and successively treated with petroleum ether, ethyl acetate and n-butanol.

将杠柳枝皮粉末的乙醇提取物悬浮于水后，依次用石油醚、乙酸乙酯和正丁醇萃取。

methods: (1)to separate stilbene glycoside by using silica gel column chromatography with gradient elution consisting of ethyl acetate and petroleum ether.

方法：（1）以硅胶柱色谱法，乙酸乙酯-石油醚梯度洗脱，自何首乌中提取分离二苯乙烯苷单体成分。

objective:to establish a tlcs fingerprinting for ethyl acetate extract of cdyh with anti-hbv activity in vitro, which will be helpful for the quality standard of cdyh.

目的：初步构建复方茵黄解毒汤乙酸乙酯有效部位体外抗乙肝病毒活性指导下的薄层扫描指纹图谱，为复方茵黄解毒汤建立更高的质量标準打下基础。

this is accomplished by adding hexane to ethyl acetate .

这是藉由加入己烷至乙酸乙酯中来完成。

the dissolvability of ethyl acetate in water is more, the extraction rate of 2,3-dibromopro-pionamide is low, and the recovery is low.

由于乙酸乙酯在水中的溶解度较大，用乙酸乙酯萃取2，3-二溴丙酰胺的萃取率较低，使得回收率较低。

results bidens ethyl acetate extract could significantly reduce the blood glucose levels in diabetic rats.

结果鬼针草乙酸乙酯提取物能显着降低糖尿病大鼠的血糖值。

the simulation of the ethyl acetate concentration column with proper thermodynamic model is accurate enough to predict the column performance with error of less than 5%.

前言：通过选取合适的热力学模型，对乙酸乙酯提浓塔的操作进行模拟，与实际操作数据相比，误差在5%以内。

growth curve method showed the extract of petroleum ether and ethyl acetate of rhizoma amorphophalli had a time-effect effect on the proliferation of cell sgc-7901.

生长曲线法观察发现蛇六谷石油醚萃取物、乙酸乙酯萃取物对人胃癌sgc-7901细胞增殖抑制作用有一定的时间-效应曲线；

methods diabetic rat models were produced by injection of streptozotocin. the impact of bidens ethyl acetate extract on blood glucose level was observed.

方法注射链脲佐菌素建立大鼠糖尿病模型，观察鬼针草乙酸乙酯提取物对血糖值的影响。

ethyl acetate is an excellent solvent and extractant and is an important chemical material too.

乙酸乙酯是性能优良的溶剂、萃取剂和重要的化工原料。

ethyl acetate was a kind of important raw material and widely used in chemical industry.

乙酸乙酯是一种重要的化工原料，在化工生产的各个领域都有广泛的应用。

it was found that ethyl acetate was the optimal organic solvent.

结果表明，乙酸乙酯是最理想的有机溶剂。

conclusion bidens ethyl acetate extract has a significant hypoglycemic activity.

结论鬼针草乙酸乙酯提取物有显着的降糖活性。