Laparoscopic Excision of Retroperitoneal Schwannoma

Schwannomas are tumours that arise from the myelin sheath of the nerves.A very unusual location for schwannoma is the retro peritoneal areas (less than 2%).We present herewith a patient who had a 4x5cm Schwannoma Schrader Valve arising from the nerve root of L2 on the right side, which presented as a lump in the psoas major muscle.This was treated

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Effects of Some Parameters on Thermal Control of a LEO Satellite

Satellite thermal control ensures safe operating temperature ranges for satellite components throughout the mission life.Effects of altitude, spin, and position of satellite radiator(s) on the thermal control of a small Low Earth Orbit (LEO) satellite have been studied.Results show that change in satellite altitude, in the range considered here, do

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