Digital transformation and total factor productivity in oil and gas enterprise Mediating effects based on innovation performance

The research sample for this study consists of oil and gas enterprise listed on the Shanghai and Shenzhen A-shares in China from 2013-2022.The results of this study empirically examine the impact of digital transformation Oil serum (DT) on total factor productivity (TFP) of oil and gas enterprise Outdoor Ceiling Light and its internal mechanisms us

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Bizarre Deformity of Pinna

A 15-year-old female presented to the Ear, Nose and Throat (ENT) Department with only complaint of Collection deformity of the right pinna since childhood.No other associated congenital anomalies were present.On examination, congenital right-sided deformed pinna which exhibited exotic and bizarre deformity with macrotragus extending towards helix,

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