... 压力指示器或位置指示器 PI (pressure indicator or position indication) 派电子 pi-electron 派介原子 pi-mesicatom ...
基于12个网页-相关网页
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.
键在键轴之上,和之下都有电子密度,但它们在z方向有节面,这是键轴的地方。
Square of the Planck constant times pi mass of the electron.
普朗克常量的平方,乘以π再乘电子的质量。
The framing negotiates still definitely specified, will construct a PI electron product in the HengYang among them capacity fabrication and generalize site.
框架协议还明确规定,其中将在衡阳建设电子产品生产制造及推广基地。
应用推荐