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M, BLOM P W E. A techno-economic evaluation of the use of hydrogen in a steel production process, utilizing nuclear process heat[J]. International Journal of Hydrogen Energy, 2013, 38(25..., 46: 27-35. [23] TEPLOV O A. Kinetics of the low temperature hydrogen reduction of magnetite concentrates[J]. Russian Metallurgy (Metally), 2012(1): 8-21. [24] LIN H Y, CHEN Y W, LI C. The mechanism......
forces from rock blocks. Cutters today can either incorporate hard, fine grained carbides into the matrix of the disc material or apply a hardened coating of alloy powder on the steel substrate... for an improvement in the cutting efficiency. RAD and MCGARRY [102] used a 750 W CO2-N2-He laser to treat the same rock and then excavated the lased rock with a drag bit. They found that laser radiation could......