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A 50-Hz rotating (annular-mode) gliding arc plasma in a vortex air flow is generated. Its dynamic evolution has been investigated through the electrical measurements and high-speed imaging, which shows that the arc is formed after several breakdowns of the gas and then glides stably with a low-discharge current. The intensity of the light emitting from the arc root at the cathode is remarkably higher...
Microfluidic biochips require continued online test to ensure their functionality, performance, and reliability in the presence of runtime parametric variation and system wear-out. Previous techniques locate catastrophic defects which guide subsequent droplet scheduling and routing procedures. However, a significant number of defects on a microfluidic biochip are parametric variations, taking them...
The surface EMG signals of the antagonist muscles of normal human elbow joint were pecked-up during repeated contractions both in extension and flexion modes. The normalized median frequency (NMF) of the antagonist EMG signal was higher than that of agonist in each repeating contraction. The slopes of two regression lines of agonist/antagonist NMF increased, and there intercepts decreased as repeated...
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