petroleum ether造句

1、The petroleum ether extract gave 100% mortality in shortest time followed by ethyl acetate extract.
从作用时间上看，石油醚组分作用时间最短，乙酸乙酯组分次之；

2、Mainly by tobacco bud extract petroleum ether extract obtained tobacco bud extract.
烤烟花蕾浸膏主要是通过石油醚浸提烤烟花蕾制得浸膏。

3、It is soluble in such organic solvents as acetone, ethylether or petroleum ether instead of water.
易溶于 * 、或石油醚等有机溶剂，不溶于水。

4、This paper studied on oat oil from deshelled oat seeds by petroleum ether extraction.
本课题以脱壳燕麦为原料，经石油醚提取得到燕麦油。

5、Petroleum ether extract content increased.
石油醚提取物含量有增加。

petroleum ether翻译