Zobrazeno 1 - 3
of 3
pro vyhledávání: '"V F, Vasil'chenko"'
Publikováno v:
Voprosy kurortologii, fizioterapii, i lechebnoi fizicheskoi kultury. (4)
The present article presents characteristics of the therapeutic and health promoting potential of the Expedition Bay, (part of the Peter the Great Bay, the Sea of Japan), known to be a deposit of therapeutic sea muds. The great variety of local thera
Publikováno v:
Soviet Mining Science. 13:412-414
Publikováno v:
Soviet mining science. 12:612-614
As a result of the investigations we obtained graphs of the drilling speed and volumetric work of fracture vs the axial thrust. Analysis of these graphs reveals that the drilling speed of the RBT-3G increases about 1.85 times faster with the borehole