目的研究CT视觉定量评估和人工智能(AI)对进展期新型冠状病毒肺炎(COVID-19)严重程度的评估和预测价值。方法回顾性研究86例COVID-......

A model is developed to calculate emission spectrum of non-local thermodynamic equilibrium(NLTE)plasmas. The Collisional......