pion中文什么意思

n.
＝pi-meson.

• 2s7 pion:    2s7自走炮
• absorption of pion:    介子的吸收
• contaminant pion:    夹杂π介子

例句与用法

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1. Two photons are created in the decay of the neutral pion .
   双光子是在中性兀介子衰变中产生的。
2. the half life of the uncharged pion is 6×s.
   中性兀介子的半衰期为6秒。
3. The pions form another triplet, electrically different but otherwise alike .
   介子构成另一种三重态，只是电荷不同，其它方面均相同。
4. During its brief existence, the pion carries momentum from one nucleon to the other .
   在它短暂的存在期间内，它将动量从一个核子带到另一个核子。
5. Scor pions will enter a per iod of str ess . .
   天蝎座将要面临一些压力. .

英文释义

名词

1. a meson involved in holding the nucleus together; produced as the result of high-energy particle collision
   同义词：pi-meson