| 释义 |
mineral ether
基本例句
石油醚
Study on Chemical Components of Petroleum Ether Fraction of Alcohol Extract from the Leaves of Cunninghamia lanceolata Hook.杉木叶醇提物中石油醚溶解组分的化学成分分析。
On contrast, the anti-feeding effects of the extracts from petroleum ether and ethyl acetate to small vegetable-moth are smaller than those to armyworm.但对小菜蛾而言，石油醚萃取物和乙酸乙酯萃取物的拒食作用不如对粘虫作用明显。 |