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Objective To investigate the features of perioperative treatment on the fractures of hip in eld patients.Methods From March 2000 to March 2008, 169 patients with fractures of hip in our hospital… (More)
Abstract A comprehensive performance of formed parts by AA7075-O sheets was studied in friction stir incremental forming (FSIF). Various tool rotation speeds were set to form two typical parts… (More)
A new method to comprehensively improve the reliability of differential protection by combining abrupt change based fault distinguishing with fuzzy harmonic analysis is proposed.Through the analysis… (More)