...镜L的光轴上有两个极重要的点N1与N2,它们叫做节点(nodal point),通过这两个节点并且与光轴垂直的平面叫做节面(nodal plane),在节点两边各有一个焦点F。
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... nodal head 节点机座,用于脚架上,使相机、电影机等移动时保持视场稳定,不会产生变形 nodal plane 节点平面 nodal point 节点 ...
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...的双凸 ( (凹凹))透镜 透镜 ②②平凸 平凸 ((凹凹))透镜 透镜 δ δ δ δ 105 C.节点(nodal points)和节平面(nodal planes) 节点---角放大率 两共轭光线与光轴的交点。
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... 远程屏蔽效应:long range shielding effect 结面:nodal plane 自旋-自旋偶合:spin-spin coupling ...
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What is the nodal plane in this case?
这种情况下的节面在哪呢?
Pi orbitals are a molecular orbital that have a nodal plane through the bond axis.
轨道是沿着键轴,有节面的分子轨道。
The reason that it's sigma is if you look at the bonding axis here, is that there is no nodal plane along the bonding axis.
它是sigma键的原因是,因为如果你看键轴,上面是没有节面的。
Remember this is our bond axis here, and you can see there is this area where the wave function is equal to zero all along that plane, that's a nodal plane.
记住这是我们的键轴,你可以看到在这些区域,波函数在这个面内全都是零,这是节点面。
So, let me get a little bit more specific about what we mean by nodal plane and where the idea of nodal plane comes from, and nodal planes arise from any place you have angular nodes.
关于节面的意义,或者节面概念的起源,让我们讲的更具体一点,节面起源于角向节点。
And just to give you a sense, if you do a cross-cut of this, you cannot show it from this angle, but it should really be sort of a dumbbell shape with the nodal plane in between the two nuclei.
告诉你们这些就是给你们点概念,假如你们把他横切切开,不能从角度上展示,但它还是会保留几分哑铃的形态,以及在两核之间的节面。
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