Positron emission tomography (PET) using 18F-fluorodeoxyglucose (FDG) has not been widely used in China for expensive c......

目的：应用双能X线骨密度仪（ DXA）探讨体成分对男性2型糖尿病患者骨密度的影响。方法选择年龄50～60岁在我科住院的男性2型糖尿病患者107......

The optimality Kuhn-Tucker condition and the wolfe duality for the preinvex set-valued optimization are investigated. Fi......