利用溶剂溶解回收的聚苯乙烯塑料，将其涂布于不锈钢传送带上，以水蒸气为加热介质，经薄膜干燥法获得再生聚苯乙烯树脂。
The recycled polystyrene was dissolved in organic solvents and coated on stainless steel deliver. The polystyrene resin can be regenerated by heating the thin films on water vapor.
方法采用水蒸气蒸馏法分别提取八角茴香杀青晒干品及其硫熏干燥品的挥发油，用GC鄄MS 法鉴定挥发油成分。
Methods The essential oil was extracted by steam distillation from sunning-fixed sample and sulfur-smoke-dried sample, and their components were analyzed by GC-MS.
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