화학공학소재연구정보센터
검색결과 : 2건
No. Article
1 Development and Dynamic Analysis of a Torsional Vibration Damping Tool for PDC Bit
Zha CQ, Dong ZW, Zhu LX, Chen J, Xi Y
Chemistry and Technology of Fuels and Oils, 56(5), 807, 2020
2 COMBINED PERCUSSIVE-ROTARY DRILLING TO INCREASE RATE OF PENETRATION AND LIFE OF DRILL BIT IN DRILLING HARD ROCK FORMATION
Zha CQ, Liu GH, Li J, Li YM, Xi Y, Guo BY
Chemistry and Technology of Fuels and Oils, 53(2), 254, 2017