Search alternatives:
ppm decrease » _ decrease (Expand Search), nn decrease (Expand Search), pa decreased (Expand Search)
ng decrease » nn decrease (Expand Search), _ decrease (Expand Search), we decrease (Expand Search)
a decrease » _ decrease (Expand Search), _ decreased (Expand Search), _ decreases (Expand Search)
50 ppm » 5 ppm (Expand Search)
50 ng » 50 mg (Expand Search), 10 ng (Expand Search), 5 ng (Expand Search)
ppm decrease » _ decrease (Expand Search), nn decrease (Expand Search), pa decreased (Expand Search)
ng decrease » nn decrease (Expand Search), _ decrease (Expand Search), we decrease (Expand Search)
a decrease » _ decrease (Expand Search), _ decreased (Expand Search), _ decreases (Expand Search)
50 ppm » 5 ppm (Expand Search)
50 ng » 50 mg (Expand Search), 10 ng (Expand Search), 5 ng (Expand Search)
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Pulse Ultrasound-Based Response Enhancement of a MOX Gas Sensor
Published 2024“…For 2 ppm methanol, the RE by the pulse ultrasound is 50%, relative to the continuous ultrasound, when the pulse width, duty ratio, and working frequency are 0.4 ms, 50%, and 110.1 kHz, respectively. …”
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Pulse Ultrasound-Based Response Enhancement of a MOX Gas Sensor
Published 2024“…For 2 ppm methanol, the RE by the pulse ultrasound is 50%, relative to the continuous ultrasound, when the pulse width, duty ratio, and working frequency are 0.4 ms, 50%, and 110.1 kHz, respectively. …”
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Means for STEM competence for pre- and post-test.
Published 2024“…After the Challenge, participants increased in awareness of global issues, and engagement with others, but also showed a small but significant decrease in respect for people from other cultural backgrounds. …”
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