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1·The properties of high-quality light and colorless pinene resins were studied.

考察了浅色和无色蒎烯树脂的性质。

2·Under optimum conditions, the conversion ofa-pinene was almost complete, yield of 2,3-epoxypinane was 96%and the selectivity was 98%.

在优化条件下，a-蒎烯的转化接近完全，产物中2，3-环氧蒎烷的含量可达96％，其选择性为98％。

3·The review focuses on the different catalysts and craft on the hydrogenation of the major terpene: pinene, dipentene, citronellal citral, geraniol etc over catalysts and craft.

主要介绍蒎烯、 双戊烯、 香茅醛、 柠檬醛、 香叶醇和橙花醇等萜类化合物的加氢催化剂种类及其工艺条件。

4·The results show that terpene compounds in the volatile oils were identified. The higher chemical components in the volatile oil are camphene, pinene, phellandrene, zingiberene and borneol.

结果表明：生姜挥发油的主要化学成分是萜类化合物茨烯蒎烯水芹烯姜烯和冰片等。