pion
n. 介子
n. (Pion)人名；(法、俄、罗)皮翁
n.
介子；
英英释义
pion[ 'paiɔn ]
n.a meson involved in holding the nucleus together; produced as the result of high-energy particle collision
同义词：pi-meson
双语例句
用作名词(n.)
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。
权威例句
Viewpoint: Sustainability of Piñon-Juniper Ecosystems: A Unifying Perspective of Soil Erosion ThresholdsQ2-dependent parametrizations of pion parton distribution functions
Effective chiral lagrangians for nucleon-pion interactions and nuclear forces
Parton Coalescence and the Antiproton/Pion Anomaly at RHIC
A unitary isobar model for pion photo- and electroproduction on the proton up to 1 GeV ☆
Realistic models of pion-exchange three-nucleon interactions
Pion Scattering Lengths
Collective flow and two-pion correlations from a relativistic hydrodynamic model with early chemical freeze-out
Energy Dependence of Pion and Kaon Production in Central Pb+Pb Collisions
Initial Invasion of Cheatgrass (Bromus tectorum) into Burned Piñon-Juniper Woodlands in Western Colorado
pion (n.)
1951, from Greek letter pi + -on.
1. 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。
-- 来源 -- 英汉 - 辞典例句
2. 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。
-- 来源 -- 英汉 - 辞典例句
3. soft pion emission
软π介子发射
-- 来源 -- 英汉 - 翻译参考[网络]
4. multiple pion production
多个π介子产生
-- 来源 -- 英汉 - 翻译参考[网络]
5. The half life of the uncharged pion is 6×??.
中性兀介子的半衰期为6×?得搿?/UK>
-- 来源 -- 英汉 - 辞典例句
6. Any of a class of particles, such as the photon, pion, or alpha particle, that have zero or integral spin and obey statistical rules permitting any number of identical particles to occupy the same quantum state.
玻色子具有零或整数自旋状态，并且任意数目的相同粒子占据相同量子状态的统计学规则的粒子，如光子、π介子或α粒子
-- 来源 -- 英汉 - 短句参考
7. pion condensation
介子凝聚
-- 来源 -- 英汉 - 翻译参考[网络]
8. soft pion limit
软 介子极限
-- 来源 -- 英汉 - 翻译参考[网络]
9. pion condenstate
π凝聚态
-- 来源 -- 英汉 - 翻译参考[网络]
10. one pion exchange force
单介子交换力
-- 来源 -- 英汉 - 翻译参考[网络]
pion
