Results 61 to 70 of about 565,672 (242)
A Dynamic Model For A Drill In The Drilling Process
, 2008 {"references": ["D. D. Rosard, \"Natural Frequency of Twisted Cantilever Beams,\" in 1952\nPro. ASME Paper No. 52-A-15,", "G. W. Jarrett and P. C. Warner, \"The Vibration of Rotating Tapered Twisted Beam,\" ASME, Journal of Applied Mechanics, pp. 381-389,1953.", "O. Tekinalp and A. G.
Bo Wun Huang +3 more
openaire +2 more sources
, 2014 textThe town of Millerton, Pa., has always been a small, rural farming community. Settled atop of the famed Marcellus Shale in the foothills of the Appalachians, there have always been rumors of natural gas in the hills around town. In 2008, natural gas
Friel, Katherine Dailey
core
Jurnal Fisika Flux, 2017 Abstrak: Pembongkaran over burden di Pit Central PT. SIS dilakukan dengan kegiatan peledakan. Sebelum kegiatan peledakan, dilakukan kegiatan pemboran untuk penyediaan lubang ledak dengan geometri dan pola tertentu.
Didiet Try Setiadi +2 more
doaj +3 more sources
Influence of Drill Pipe Type on Drilling and Slagging in Soft Coal Seam
Meikuang Anquan, 2020 In view of the problem of pressure air exhaust slag by borehole along the soft coal seam, the minimum air pressure and its calculation method are determined by analyzing the variation law of the air pressure and air volume in the two kinds of drilling ...
LI Liangwei, WU Wenbin, TANG Jianping
doaj +1 more source
Real-time adaptive filtering of dental drill noise using a digital signal processor [PDF]
, 2006 The application of noise reduction methods requires the integration of acoustics engineering and digital signal processing, which is well served by a mechatronic approach as described in this paper.
Atherton, MA +3 more
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These ‘drill patterns’ follow the order of Beginner’s Hindi but can of course be used quite independently of this book. They are designed to help you assimilate the essential structures of Hindi.
Snell, Rupert
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Jurnal SportifMastery of overhead passing techniques is still low because the lack of drill training models has resulted in the mastery of passing techniques not increasing.
Alin Danisa Hermaya +4 more
doaj +1 more source
Drilling Processes with Hydraulic Percussion Rock Drills
Journal of MMIJ, 2017 Rock drills were developed about two hundred years ago, and hydraulic percussion rock drills are about half-century old. Performance and efficiency of rock drills have been increased by a number of researchers and engineers.
Kimihiro HASHIBA +2 more
doaj +1 more source
Rock drill for recovering samples [PDF]
, 1969 Rotary impact-type rock drill for recovering rock ...
Ford, A. G.
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Method for machining holes in composite materials [PDF]
, 1987 A method for boring well defined holes in a composite material such as graphite/epoxy is discussed. A slurry of silicon carbide powder and water is projected onto a work area of the composite material in which a hole is to be bored with a conventional ...
Clemons, Johnny M. +4 more
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