Results 121 to 130 of about 141,733 (202)

An innovative canned cycle for helical milling cylindrical holes with adjustable pitch, radius, and turns. [PDF]

Sci Rep
Omirou S, Charalambides M, Menicou M, Demosthenous G.   +3 more
europepmc   +1 more source

Ecological Processes Underpinning Microbial Variability in Archean Granitoids Beneath the Deccan Traps: Evidence From Deep Drilling in Koyna, India. [PDF]

Environ Microbiol Rep
Sahu RP, Kazy SK, Mukherjee D, Roy S, Wiersberg T, Sar P.   +5 more
europepmc   +1 more source

Investigation on micro drilling of low carbon NiTi alloy using tungsten carbide micro drill tool. [PDF]

Sci Rep
Khan MA, Ebenezer G, Jappes JTW, Mourad AI, Thekkuden DT.   +4 more
europepmc   +1 more source

From Exploration to Production: A Systematic Review of Natural Gas Hydrate Technologies. [PDF]

ACS Omega
Wang H, Li Z, Zhang H, Wang D, Gan B, Feng Z, Guo S.   +6 more
europepmc   +1 more source

Pilot tests of continuous gas extraction with improved L-shaped wells from mining and goaf areas. [PDF]

Sci Rep
Zhang J, Qin Y, Li G, Ma H, Li G, Li G, Liu T, Li J, Ji C, Guo M.   +9 more
europepmc   +1 more source

Optimization of blasting for high-efficiency and low-damage drivage of large-section production drifts in block caving. [PDF]

Sci Rep
Yan S, Jian X, Li X, Feng X, Li G.
europepmc   +1 more source

Model-Driven Processing of Passive Seismic While Drilling Data Acquired Using Distributed Acoustic Sensing Without Conventional Drill-Bit Pilot Measurements. [PDF]

Sensors (Basel)
Al-Hemyari E, Pevzner R, Tertyshnikov K.
europepmc   +1 more source

Optimization of micro tool geometry for ballpoint pen tip production using finite element simulation and orthogonal experiments. [PDF]

Sci Rep
Bi Y, Tu L, Li X, Zhao S.
europepmc   +1 more source

Control effects of joint grouting and precision blasting on blasting damage in deep rock masses. [PDF]

Sci Rep
Mao Z, Yue Z, Song K, Luo Y, Zeng Y, Mao M, Zhang X, Liu T, Zeng F.   +8 more
europepmc   +1 more source