• 催化不对称1,4-共轭加成反应一种非常有效的碳—碳键形成方法。

    In this paper, the recent progress in rhodium-catalyzed asymmetric 1,4-conjugate addition reactions is reviewed.

    youdao

  • 反应物理计算中,扰动计算需要中子本征值方程共轭方程。

    Perturbation calculation in reactor physics requires the neutron adjoint eigenvalue equation.

    youdao

  • 论文是关于共轭酮化合物反应生成多取代呋喃化合物研究,主要从三个方面进行了研究。

    In this thesis, we have focused on the synthesis of highly substituted furan by the cycloaddition reaction of conjugated enynones with nitrones.

    youdao

  • 共轭模型中,阵面激发化学反应释放出能量使得爆轰产物粒子不同方向运动

    In conjugate detonation model, chemical reaction is initiated by the shock wave front, and the released energy makes the particles of explosion products move in different directions.

    youdao

  • 讨论了卟吩环系共轭体系芳香性质,以及与化学反应活性的联系

    The relationship between conjugated system and chemical reaction of chlorophyll derivative was discussed.

    youdao

  • 探讨反应时间加碱葵花籽油制备共轭亚油酸共轭化转化率影响。

    The reactive mechanism of conjugation catalyzed by alkali and the affecting factors such as time and amount of alkali were discussed.

    youdao

  • 两者生成共轭体系时,应具有共轭烯烃反应特性

    When they both can produce conjugative effect, they have the reaction characteristic of conjugated diene.

    youdao

  • 关键反应控制不对称原子共轭加成反应

    The key step was a substrate controlled asymmetric heteroatom conjugated addition.

    youdao

  • 相关,认为IP这种反应得出的一对共轭八重态胶团组成。

    We think the IP is composed from the conjugated pair of such glue.

    youdao

  • 采用KOH催化剂,正丁醇为溶剂,碱通过碱性异构化反应制备共轭油酸(CLA)。

    The conjugated linoleic acids (CLA) were prepared by alkali isomerization with KOH as catalyst, butyl alcohol as solvent and suaeda salsa seed oil as raw material.

    youdao

  • 出现大量饱和共轭结构,它们进一步反应形成联结构,产生不溶性碳基材料

    The branching reactions only occur after the appearance of the multiple unsaturations, forming cross-linking structures and producing water insoluble materials.

    youdao

  • 高度共轭笼状结构的碳素体,分子结构中六边形共价碳碳双键是富电子区,反应性能烯烃有类似性,主要表现双键加成。

    C_(60) is one kind of fullerene with high conjugated cage-types structure. Its covalence between two hexagons has high reactivity, which behaves as addition reaction of double bond.

    youdao

  • 严重INO患者观察到共轭性有所好转,可能适应性反应结果,例如度的补充作用注视漂移

    Improved conjugacy was observed in the more severe INOs, and may be due to adaptive mechanisms, such as recruitment of vergence to aid gaze shifts.

    youdao

  • 严重INO患者观察到共轭性有所好转,可能适应性反应结果,例如度的补充作用注视漂移

    Improved conjugacy was observed in the more severe INOs, and may be due to adaptive mechanisms, such as recruitment of vergence to aid gaze shifts.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定