化学
蒎烯
In the thesis, pinane is obtained from pinene by catalytic hydrogenating, and then pinane hydroperoxide from pinane by catalytic oxidizing. Ideal catalysts are selected.
以蒎烯为原料，经催化氢化合成蒎烷，蒎烷经催化氧化得蒎烷氢过氧化物。
生物学
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。