Fig. 1 The simulation of stress distribution in QEPAS: (a) standard QTF, (b) four-prong QTF. In 2002, Tittel et al. proposed a gas sensing technology named quartz-enhanced photoacoustic spectroscopy ...
Micro-electro-mechanical system (MEMS) gyroscopes are miniaturised inertial sensors that harness the Coriolis effect in vibrating microstructures to measure angular motion. Fabricated using ...
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