Results 251 to 260 of about 3,841 (276)
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Journal of Cultural Economics, 2013
Though there is a long tradition of band members quitting the group or taking a hiatus, the rock group as an organization to produce music continues to be both popular and economically viable. The research question addressed in this paper is whether or not it is a good idea to quit or take a hiatus from the group.
Ronnie J. Phillips, Ian C. Strachan
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Though there is a long tradition of band members quitting the group or taking a hiatus, the rock group as an organization to produce music continues to be both popular and economically viable. The research question addressed in this paper is whether or not it is a good idea to quit or take a hiatus from the group.
Ronnie J. Phillips, Ian C. Strachan
openaire +1 more source
Research on the Application of Pulsed High Voltage Electric Field to Breaking Hard Rock Uranium Ore
2020 4th International Conference on HVDC (HVDC), 2020Uranium is the most basic material for the operation of nuclear power plants. Research on methods for extracting uranium efficiently and pollution-free is one of the hot issues in nuclear energy development. In nature, uranium is abundant in hard rock, but it is often wraped by volcanic rock.
Yi-Hua Rao +3 more
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Review of Scientific Instruments, 2021
To improve the efficiency of hard rock breaking by a pulsed water jet (PWJ), a hydraulically controlled piston-pressurized PWJ (HCPPPWJ) device has been developed, by which the large amplitude pressurization of the jet could be realized through the motion coupling of the piston and the valve core inside the device without requiring additional control ...
Yuanfei Ling +5 more
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To improve the efficiency of hard rock breaking by a pulsed water jet (PWJ), a hydraulically controlled piston-pressurized PWJ (HCPPPWJ) device has been developed, by which the large amplitude pressurization of the jet could be realized through the motion coupling of the piston and the valve core inside the device without requiring additional control ...
Yuanfei Ling +5 more
openaire +2 more sources
Deep-Hole Drilling Using Rock-Breaking Tool Set with Super-Hard Composites
1990The Institute for Super-Hard Materials (ISM) has done much research work on the development of new super-hard composite materials which combine hard alloys and diamond. The combination of two highly efficient tool materials, differing in nature, allows making composites which are favorably comparable with large natural diamonds in terms of wear ...
I. F. Vovchanovskiy, N. A. Bondarenko
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Numerical Simulation of Rock-Breaking Mechanisms by Triangular-Shaped Pdc Cutter in Hard Rocks
2023Wenhao He +7 more
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Experimental study of high-speed particle jets impacting deep hard rock under true triaxial stress
Powder Technology, 2023Zhe Zhou, Zhongtan Li
exaly
Rock mechanics and development of advanced hard rock breaking methods. Symposium
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1976openaire +1 more source