• Both of these lobes together constitute a pi bond.

    上下两片叶一起组成了一根 π

    youdao

  • So we can kind of flip it this way this will be one pi bond, this will be another interacting between these p orbitals.

    我们可以把它这样一下,个π,这是另外一个p轨道之间,相互作用的π键。

    youdao

  • So it already should make sense why we have that p orbital there, in order to form a pi bond, we're going to need a p orbital.

    这里p轨道合理的,为什么我们在这里有P轨道,为了形成个π,我们需要一个p轨道。

    youdao

  • We're already using it up in this pi bond here, so that means we're limited to only two other spots on the molecule, so we have three.

    我们已经用到这个π里去了,所以意味着,我们分子剩下两个位置,所以一共是三个

    youdao

  • So PI bonds have electron density both above and below the bond axis, but they actually have a nodal plane at this z, this bond axis here.

    之上之下电子密度它们z方向有节是键轴的地方

    youdao

  • So, as they're very quietly handing out your class notes, let's think about what this bond is here, this boxed bond, is it a pi bond or a sigma bond?

    他们讲义的同时,我们来看看这个方框里的这个键,sigma还是π键?

    youdao

  • Pi orbitals are a molecular orbital that have a nodal plane through the bond axis.

    轨道沿着,有节面的分子轨道

    youdao

  • Sigma that is one PI orbital. There is one sigma, one PI and there is a second PI, and that is how we are getting the triple bond.

    pi轨道一个,一个pi还有第二pi轨道,就是我们如何得到线态的。

    youdao

  • Poly (ether imide) (PEI) is a modification kind of high performance polymer, which adds a ether bond to macromolecular chain of polyimide (PI).

    亚胺(PEI)在聚酰亚胺(PI)上引入醚形成的一类高聚物

    youdao

  • Poly (ether imide) (PEI) is a modification kind of high performance polymer, which adds a ether bond to macromolecular chain of polyimide (PI).

    亚胺(PEI)在聚酰亚胺上引入醚形成的一类高聚物

    youdao

  • Poly (ether imide) (PEI) is a modification kind of high performance polymer, which adds a ether bond to macromolecular chain of polyimide (PI).

    亚胺(PEI)在聚酰亚胺上引入醚形成的一类高聚物

    youdao

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