... positron-emission tomography 正电子放射断层造影术... positron radiation 正电子辐射,阳电子辐... positron camera 阳电子照相机,正电子...
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positron annihilation radiation 正电子湮没辐射
radiation positron 正子辐射
positron n radiation 正电子发射
angular correlation positron annihilation radiation 正电子湮没辐射一维角关联
Positron and electron (particle and anti-particle) can annihilate in collision turning into electromagnetic radiation.
正电子和电子(粒子和反粒子)在对撞中会发生湮灭，并产生电磁辐射。
Optical absorption spectra and positron annihilation radiation Doppler broadening were measured at room temperature.
在室温条件下测量了吸收光谱与正电子湮没辐射多普勒展宽谱。
They have analyzed data collected from the neutrino beam at LNGS and have found no evidence of radiation or electron-positron pairs coming from the neutrinos.
他们分析了在LNGS所收集到的有关中微子束的数据，可是并没有发现来自中微子正负电子对辐射的任何证据。
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