乙酯

For the same blending system, the penetration rates for acetic ether, absolute alcohol and gasoline, increase in sequence.

对同一体系，对乙酸乙酯渗透率最小，无水乙醇次之，汽油最大。

Tebufenpyrad, a new high effective pyrazoleamide acaricide , was synthesized from 1-methyl-3-ethyl-4-chloro-5-pyrazolecarbon acid and 4-t-butylbenzylamine, the raw material are propionyl pyruvic ethyl ester and 4-t-butyl benzylchloride.

吡螨胺是一种新型、高效的吡唑酰胺类杀螨剂，本文以中间体1-甲基-3-乙基-4-氯-5-吡唑甲酸和4-叔丁基苄胺合成，起始原料丙酰丙酮酸乙酯和4-叔丁基苄氯，总收率为61.23%。

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。

The extract of acetyl acetate have been studied on inhabited effect of 4 species bacteria.

乙酸乙酯萃取物对4种细菌的抑菌试验表明，其对枯草芽孢杆菌的抑制效果最好。

Phospho-tungstic heteropoly(H3PW12O40) was prepared and its catalytic performance for synthesizing of ethyl hexanoate from hexanoic acid and ethyl alcohol were studied.

结果表明：磷钨杂多酸是合成己酸乙酯的良好催化剂，当酸醇物质的量比为1∶2.0，催化剂用量为0.5 g/0.1 mol己酸，甲苯为8 mL，反应时间为150 min时，酯化率可达97.2

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。