asphaltene fraction是什么意思 asphaltene fraction怎么读
asphaltene fraction的用法和样例
- Centrifuging, washing, and filtering may separate any fraction of polymer that occurred by an emulsion process.
离心，洗涤，和过滤可以分离乳液法制得的任何级分的聚合物。 - The benzene fraction from Pyramidomonas delicatula had the strongest antimicrobial activities against Pyricularia oryzae of all the elution fractions.
在各分离组分中，娇柔塔胞藻的苯洗脱组分对稻瘟病菌的抗菌活性最强。
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