双烯，通式为CnH(2n-2)，属于不饱和烃，含两个碳碳双键的烃类化合物。
研究结果指出，双烯漆酚的含量与漆膜性能有关，是决定生漆质量的重要因素，这是生漆认识史上新的进展。
The results show that diolefinic urushiol content influences film properties and is an important factor affecting the quality of chinese lacquer.
对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究。
The hydrogenation of diene compound and carbonyl group with yeasts was studied.
在实验室重点研究了工艺条件对选择性加氢脱双烯过程的影响。
The effect of process conditions on selective hydrogenation of diolefins was investigated in the laboratory.
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