By two dimensional lattice misfitting calculation and analysis by electron probe, it is found that Ce 2O 3 may act as the heterogeneous nuclei of modified cast H13 steel.
通过热力学计算及二维点阵错配度计算 ,并采用电子探针定量分析等手段 ,证实Ce2 O3型稀土夹杂物可作为CH13钢中初生奥氏体的异质核心 ,细化枝晶组织 ,减弱合金元素偏
Objective: To discuss the causes of symmetric lesions of subcortical gray matter nuclei with clinical manifestation from neuroimaging study, and to improve the diagnosis ability.
目的从影像学角度,结合临床表现探讨双侧对称性灰质核团病变的病因,提高诊断水平。
