Results 281 to 290 of about 1,056,070 (342)

Development of lab-scale rock drill apparatus for testing performance of a drill bit

, 2015
Changheon Song, K. Kwon, Min-Gi Cho, Joo-young Oh, Dae-young Shin, Jung-Woo Cho   +5 more
semanticscholar   +1 more source

Abrasivity evaluation for wear prediction of button drill bits using geotechnical rock properties

Bulletin of Engineering Geology and the Environment, 2019
Y. Majeed, M. Z. Abu Bakar, I. Butt
semanticscholar   +1 more source

Rock drill

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1974
openaire   +1 more source

Rock Drill

Journal of the Society of Mechanical Engineers, 1953
openaire   +1 more source

Rock-Drilling Contests

Western Folklore, 1962
Effie O. Read, Kenneth Clarke
openaire   +1 more source

Correlation between Cerchar abrasivity index, rock properties, and drill bit lifetime

Arabian Journal of Geosciences, 2017
M. Capik, A. Yılmaz
semanticscholar   +1 more source

Rock drilling

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, 1979
openaire   +1 more source

Section: Rock-Drill

Books Abroad, 1957
Ben Allen Park, Ezra Pound
openaire   +1 more source

Combined Percussive-Rotary Drilling to Increase Rate of Penetration and Life of Drill Bit in Drilling Hard Rock Formation

Chemistry and technology of fuels and oils, 2017
Chunqing Zha, Gong-hui Liu, Jun Li, Yumei Li, Yan Xi, B. Guo   +5 more
semanticscholar   +1 more source

Local dispersal promotes biodiversity in a real-life game of rock–paper–scissors

Nature, 2002
Benjamin Kerr, Brendan J M Bohannan
exaly