查询词典 ethyl acetate

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。

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。

This paper reports on a rapid method for the determination of ethyl acetate based on UV spectroscopy.

提出了一种基于紫外-可见光谱法快速测定乙酸乙酯的方法。

In particular, methyl acrylate and ethyl acetate are widely used in industry.

丙烯酸甲酯和乙酸乙酯是工业上常用的有机物质，在生产和使用中产生的废气极易造成环境污染。

Objective:To study the antitumor effects of Sorbaria sorbifolia ethyl acetate extract and its mechanism.

目的：探讨珍珠梅醋酸乙酯提取物对S180荷瘤小鼠体内的肿瘤抑制作用及机理。

ConclusionThere is good cytotoxicity of the ethyl acetate and acetone extracts from Alocasia macrorrhiza to tumor cells, and no obvious acute toxicity has been observed.

结论醋酸乙酯和丙酮提取物有较好的细胞毒活性，没有明显的急性毒性，这两部分有较好的抗肿瘤前景。

ConclusionThere is good cytotoxicity of the ethyl acetate and acetone extracts from Alocasia macrorrhiza to tumor cells, and no obvious acute toxicity has been observed. Therefore these two parts have good anti-tumor prospects.

结论醋酸乙酯和丙酮提取物有较好的细胞毒活性，没有明显的急性毒性，这两部分有较好的抗肿瘤前景。

The obvious acute toxicities were not observed for the ethyl acetate and acetone extracts of Alocasia macrorrhiza under the treatment doses of 60g·kg-1 and 36.5 g·kg-1 respectively.

海芋的丙酮和醋酸乙酯提取物分别在60 g·kg-1和36.5 g·kg-1的给药剂量下没有显示明显的急性毒性。

Methods The nereistoxin toxins were extraceted with ethyl acetate∶cyclohenane(1∶1),cleaned by the aluminite powder online and then by auto gel permeation chromatography.

方法取一定量的Al2O3放入萃取池中做吸附剂，通过快速溶剂萃取仪萃取血液中杀参毒素类农药，同时达到在线净化的效果，后运用凝胶色谱净化联用仪进一步净化浓缩到2ml，提取液经LC/MS/MS进行检验。

It seems likely that Kraft will return with a better offer.

看起来卡夫要重新考虑一个更好的出价了。

But he'd rather burn off my feelers and watch me squirm.

可他却放任那个家伙对我为所欲为！