The Born approximation assumes that the incident and the outgoing particle can be described by plane waves.
玻恩近似假定入射粒子和发射粒子都可以用平面波来描述。
particle induced x ray emission
粒子诱导x射线发射
particle-induced X-ray emission analysis
粒子诱导Ｘ射线发射分析
alpha-emitting radionuclides
发射α粒子的放射性核素
Isotopes that emit radioactive particles; a stove emitting heat.
发射出放射性粒子的同位素；发出热量的炉子
Many materials appear to be capable of particle production or stimulation of particle production under irradiation.
许多物质在辐射照射下能够产生粒子或激发产生粒子。
VERY HIGH-ENERGY PARTICLE EMISSION FROM THE SOLAR COSMIC RAY FLARES
太阳宇宙线耀斑中的甚高能粒子发射
Proton-～(12)C、～(16) O Scattering in the α-Particale Structure;
α粒子激发机制下的P-～（12）C、～（16）O散射
active particles
放射性[活性]粒子
Interferometry for Particle-emitting Source of High Baryon Density
对高重子数密度粒子发射源的干涉学分析
Scattering of relativistic and classical particles
相对论粒子的散射与低速粒子的散射
Alpha particles emitted by radioactive nuclei have energies of a few Mev.
由放射性原子核发射出的α粒子能量一般为几个Mev。
The radiation, including alpha particles, nucleons, electrons, and gamma rays, emitted by a radioactive substance.
辐射由一种放射性物质发出的辐射，包括α粒子、原子核、电子、和γ射线
"Beta particles are either electrons or positrons. The three Beta-decay processes are electron emission, positron emission, and electron capture."
β粒子可以是电子或正电子。这三种β衰变过程为电子发射、正电子发射和电子俘获。
a radioactive transuranic element; discovered by bombarding curium with alpha particles.
一种放射性超铀元素，在用α粒子轰击锔时发现。
After development, incoming light produces blackened silver granules in the layer.
显影后，入射光就在表层产生了发黑的银粒子。
A STUDY OF COMPLEX PARTICLE EMISSION IN THE PRE-EQUILIBRIUM STATISTICAL MODEL
预平衡统计模型中复杂粒子发射的研究
The Intermittency of Shower Particles in 3.7 A GeV ~(16)O Induced Nuclear Emulsion Reaction;
3.7 A GeV ~(16)O诱发乳胶核反应簇射粒子的间歇性
