pion的意思和读音

pion

: ['paɪɒn] : ['paɪɒn]

n.

(Posterior Ischemic Optic Neuropathy)

pions  

n.1.

n.1.an elementary particle of the meson group that has either single positive, negative, or zero charge, a mass approximately 270 times that of the electron, and spin zero

1. pinning potential pion pion beam ...

2. pinpoint pion pi-particle ...

3.;(Pion)

6. T23-ORP, ,0.1 ECD T23-pION ECD C22-CN ...

:,,,

1.Effects of the Pion String at Heavy Ion Collisions

2.Neutral Top-Pion and the Lepton Flavor Violation ProcessesTop