Limonene needed in recycling foamed polystyrene was extracted from the ear of schizonepeta tenuifolia using ligroin.
本文研究从荆芥穗中提取回收聚苯乙烯所需的柠檬烯，其方法是溶剂萃取。
The optimum conditions for the technological process of recovering styrene monomer from foamed polystyrene were found.
通过实验对发泡聚苯乙烯热解回收苯乙烯单体的工艺流程提出了优化操作条件。
Mixing the polymer into mortar can improve the interface bonding performance between mortar and foamed polystyrene block.
在砂浆中掺加高分子聚合物，以提高砂浆与发泡聚苯板的界面结合性能。
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