FADE 发表于 2025-3-25 04:36:12

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MODE 发表于 2025-3-25 10:27:11

Seismo-Acoustic Methods in Mining / Primenenie Seismoakusticheskikh Metodov v Gornom Dele / Применен

暴行 发表于 2025-3-25 14:21:40

Seismo-Acoustic Methods in Mining / Primenenie Seismoakusticheskikh Metodov v Gornom Dele / Применен978-1-4757-0124-1

Malaise 发表于 2025-3-25 18:43:46

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难听的声音 发表于 2025-3-25 22:52:14

Overview: 978-1-4757-0124-1

CAND 发表于 2025-3-26 02:39:42

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debase 发表于 2025-3-26 07:21:58

Current and Advance Warning of Burst-Prone Zones in Coal Seams,The measures necessary for combating sudden rock bursts in pits represent one of the most complex aspects of mining, and the problem becomes more serious as mining operations are carried out at deeper levels, where bursts increase in number and intensity.

hedonic 发表于 2025-3-26 08:50:56

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Prologue 发表于 2025-3-26 13:40:23

Determination of the Zone of Origin of Elastic Pulses during Advance of the Working Face in a SteepThe origin of crackles during the advance of a working face is a factor of considerable importance for determining the relation between the hazard of seams and their seismo-acoustic activity.

用不完 发表于 2025-3-26 17:25:00

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查看完整版本: Titlebook: Seismo-Acoustic Methods in Mining / Primenenie Seismoakusticheskikh Metodov v Gornom Dele / Применен; M. S. Antsyferov,George V. Keller Bo