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| Issue | Title | |
| No 1 (2016) | About a half-wave length of the bottom-hole core drill composed of structural elements of different stiffness | Abstract PDF (Eng) similar documents |
| B. V. FEDOROV, D. R. KORGASBEKOV | ||
| "... and drill pipe. To determine the length of the half-wave in this part of the technological tools used energy ..." | ||
| Vol 5, No 1 (2020) | Findings of Studies on Wave Character of Pillar Support Pressure and Edge Parts of Coal Seams | Abstract similar documents |
| S. N. Lis | ||
| "... increasing distance from the source of the abutment pressure. At the same time, the half-wave length λ/2 ..." | ||
| Vol 4, No 2 (2019) | Effect of Operating Factors on Reliability of Stoping Complexes and Assessment of Reliability of their Elements | Abstract PDF (Eng) similar documents |
| V. A. Troinich, A. A. Dubovsky, N. A. Vysotskaya | ||
| "... For analyzing the dependence of face equipment failure on its length, two groups of elements ..." | ||
| 1 - 3 of 3 Items | ||
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