| 1. | The hydrocarbon must be an alkene .
这个碳氢化合物必定是烯烃。 |
| 2. | A hydrocarbon was known to be either an alkene or alkane .
某碳氢化合物已知可能是烯烃或是烷烃。 |
| 3. | The betaine will collapse to the alkene only when these two functions are eclipsed .
只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃。 |
| 4. | It provides a useful vehicle for transforming unsaturated acids to their corresponding alkenes .
它为使不饱和酸变成相应的烯烃提供了一个有用的中间体。 |
| 5. | Prediction of the chromatographic retention indices of alkene
烯烃气相色谱保留指数的预测 |
| 6. | Ann study on gas chromatographic retention indices of alkene series
苯乙醇的高效液相色谱手性拆分研究 |
| 7. | Advances in light alkenes production by hydrocarbon selective oxidation
烃类选择氧化制低碳烯烃的研究进展 |
| 8. | Advances in the conversion of light alkanes to light alkenes
低碳烷烃催化转化制取低碳烯烃反应工艺的研究进展 |
| 9. | The influence of the modified h zeolite on poly - alkene oligomerization
沸石催化剂的性能对混合烯烃聚合反应的影响 |
| 10. | Applications of palladium - chiral phosphine - catalysts in asymmetric catalysis of alkenes
手性膦配体催化剂在烯烃不对称催化反应中的应用 |
