petroleum ether的用法和样例：
例句
- 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。 - 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。
petroleum ether的相关资料：
临近单词
petroleum law
petroleum
petroleum price formation mechanism
petroleum hydrocarbon contamination
petroleum accidental water pollution
petroleum reservoir characterization
Petroleum products and lubricants TC
petroleum migration and accumulation
petroleum storage and transportation
petroleum and petrochemical industry
petroleum and petrochemical analysis
petroleum hydrocarbons contamination
