荆芥

Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.

本文研究从荆穗中提取回收聚苯乙烯所需的柠檬烯,其方法是溶剂萃取。

Limonene: Occurs in various oils such as Levant wormseed oil, pine needle oil and other oils.

出现在各种油如Levant土荆油、松针油和其他油中。