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She spent $680 on repairs and still failed inspection—here’s the brutal reason why

A Massachusetts woman says she once again can’t pass inspection, and this time it came after dropping a painful $680 on ...
IEEE

Research on High-Precision Oxygen Partial Pressure Sensor Based on TDLAS Technology

Abstract: Aiming at the demand of oxygen partial pressure measurement in aerospace and aviation, a tunable diode laser absorption spectroscopy (TDLAS) technique is proposed to realize the oxygen ...