Petrol ether extract

• 石油醚提取物

Petrol ether extract的用法和样例：

例句

1. Its allelochemicals are mainly located in petroleum extract and the methanol eluent of the petroleum extract absorbed in activated charcoal.
   它的化学互感物质主要集中于石油醚提取物及石油醚提取物吸附于活性炭后的甲醇洗脱物中。