手征性(chirality)也称手性,是物理学中的一个概念。以螺旋为例,定义其手性时,可使右手大拇指指向螺旋的轴向,其余四指握拳并据此比较螺旋的旋转的前进方向。如果螺旋是顺着四指(由指根向指尖)趋向大拇指指尖的方向,则该螺旋称为右手性的;反之,则称为左手性的。
...关键词】: 立体选择性 席夫碱 樟脑 手征性 取代 苄胺 [gap=442]Keywords】: STEREOSELECTIVITY,SCHIFF BASE,CAMPHOR,CHIRALITY,SUBSTITUTION,BENZENEMETHANAMINIUM ...
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根据弱荷的手征性,合理地解释了宇称不守恒的原因。
According to the chirality of the weak charge the origin of parity nonconservation in the weak interactions is reasonably explained.
手征性只是一个与几何特征有关的概念,是一种赝标量。
Chirality is solely a concept with respect to geometry, it is a pseudo-scalar without any connection to the physical world.
同时,我们研究了结构在传播方向上的手征性和交叉极化透射之间的关系。
It is demonstrated that it is the chirality in the propagation direction that makes this efficient cross-polarization conversion possible.
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