Showing 161 - 180 results of 64,279 for search '(( 50 ppm decrease ) OR ((( 50 ns decrease ) OR ( 5 ((ng decrease) OR (a decrease)) ))))', query time: 1.59s Refine Results
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    Pulse Ultrasound-Based Response Enhancement of a MOX Gas Sensor by Yumin Yang (5737235)

    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 by Yumin Yang (5737235)

    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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    Fig 1 - by Byung Chul Kang (1905025)

    Published 2023
    Subjects:
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    The decreasing rates of V<sub>p</sub> with temperature. by Nazlı Tunar Özcan (14833635)

    Published 2023
    “…In this study, P-wave velocity (V<sub>p</sub>), Brazilian tensile strength (σ<sub>t</sub>), uniaxial compression strength (σ<sub>c</sub>) of Çankırı rock salt were investigated under different temperatures ranging from 20°C to 250°C since the temperature is a factor that causes changes in some physical and geo-mechanical properties of rocks. …”