positron的例句大全

Medical cyclotron is used to product the positron radionuclide for synthesizing the medicament needed in PET/ CT imaging.

医用回旋加速器主要用于生产正电子放射性核素，从而合成PET/CT显像所需的药物。

Free electron Positron and antihydrogen

正电子和反氢

But, anomalously, these electron-positron pairs seemed to have a fondness for shooting away from each other at 140 degrees.

然而，不同寻常的是，这些电子-正电子偶似乎喜欢以140度角彼此散开。

The anodic oxidation of annealed pure aluminium ( 99.99%) was carried out in 15% H_2SO_4 at different electrolytic conditions. The positron annihilation lifetime spectra of the anodized aluminium were measured and fitted into three lifetime components.

退火纯铝（99.99%）在15%H2SO4中于不同电解条件下进行阳极氧化，然后测其正电子湮没寿命谱，寿命谱拟合为三个寿命成份，指认第二寿命成分为e~+在氧化膜中的湮没。

Magnetic annealing induced anisotropy and properties of positron annihilation in metallic cobalt

金属钴的磁场冷却感生各向异性与正电子湮没特性

The electron-positron pair may survive without recombining.

电子 - 正电子偶可以存在下来而不再复合.

If we are a very professional high-energy physicists, using electron-positron collider experiments.

如果我们是个非常专业的 高能 物理学家, 用电子对撞机做实验.

Positron emission tomography ( PET ) is a non-invasive method to detect the distribution of radionuclide in vivo.

正电子 发射体层摄影术是一种无创性的探测生理性放射性核素在机体内分布的断层显像技术.