Showing 61 - 80 results of 17,297 for search '(( 50 ppm decrease ) OR ((( 50 ((a decrease) OR (mean decrease)) ) OR ( 100 de decrease ))))', query time: 0.58s 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. …”
  8. 68

    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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    Decreased spacing with different numbers of branches to enhance green fig production by Rafael Pio (4618255)

    Published 2023
    “…Fig trees, with two or four fruiting branches, were distributed in four blocks, at a standard spacing of 2.5 m between rows, three spacing between plants in a row (0.50, 0.75, and 1.00 m), and densities of 8,000, 5,333, and 4,000 plants per hectare. …”
  11. 71

    Means for STEM competence for pre- and post-test. by Esther Kim (2996622)

    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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