A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...
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 ...
Abstract: In this article, we present an investigation into the amplification characteristics of triple-quantum-well heterojunction bipolar light-emitting transistors (TQW-HBLETs or TQW-HBTs or ...