RESEARCH OF DISTRIBUTED MULTI-POINT LASER METHANE DETECTION SYSTEM

Research of distributed multi-point laser methane detection system

For problems of being easily affected by environment, low detection decision and poor stability in traditional methane detection system, a distributed multi-point laser methane detection system was designed based on tunable diode laser absorption spectroscopy technology and space division multiplexing technology.The system adopts distributed feedba

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Ureteral stump empyema with calculi

A 52-year-old man with a history of right nephrectomy for a opi tenacious spirit nonfunctioning kidney, consults after 22 years for fever with right lower abdominal pain.Surgical exploration was thereafter performed and the right ureteral stump was removed en bloc.Pathological examination of the right ureterectomy specimen revealed a significant ac

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