Qingming Zhao

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An Electric power system is a complex system in which a failure either in generation, transmission, substation or distribution will cause an outage. It is necessary to evaluate the power system all together to obtain a complete and accurate reliability index. The existing reliability assessment studies mainly investigate reliability hierarchically,(More)
BACKGROUND AND PURPOSE Defining viability and the potential for recovery of ischemic brain tissue can be very valuable for patient selection for acute stroke therapies. Multiparametric MR imaging analysis of ischemic lesions indicates that the ischemic lesion is inhomogeneous in degree of ischemic injury and recovery potential. We sought to define MR(More)
PURPOSE To identify early MRI characteristics of ischemic stroke that predict final infarct size three months poststroke. MATERIALS AND METHODS Multiparametric MRI (multispin echo T2-weighted [T2W] imaging, T1-weighted [T1W] imaging, and diffusion-weighted imaging [DWI]) was performed acutely (<24 hours), subacutely (three to five days), and at three(More)
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