Showing 221 - 240 results of 6,977 for search '(( significantly ((lower decrease) OR (linear decrease)) ) OR ( significant processes decrease ))', query time: 0.48s Refine Results
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    The stress-strain curve in rock failure process. by Ruocheng Zhang (20442445)

    Published 2024
    “…As the ultrasonic vibration frequency (20–40kHz) increases, the mechanical specific energy (MSE) initially decreases and then increases. The MSE reaches a minimum value at a frequency of 20–25 kHz, representing a decrease of 15.52%–22.24% compared with conventional rock breaking, which can significantly improve the rock breaking efficiency and reduce the drilling cost. …”
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    Data. by Haiwei Li (282229)

    Published 2025
    Subjects:
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