Results 41 to 50 of about 513,317 (192)

Technique for anchoring fasteners to honeycomb panels [PDF]

open access: yes, 1969
Two-piece fastener bushing provides mounting surface for components on a three-inch thick honeycomb structure. Specially constructed starter drill and sheet metal drill permit drilling without misalignment.
Brown, W. J.   +2 more
core   +1 more source

SIVdrl detection in captive mandrills: are mandrills infected with a third strain of simian immunodeficiency virus? [PDF]

open access: yes, 2004
A pol-fragment of simian immunodeficiency virus (SIV) that is highly related to SIVdrl-pol from drill monkeys (Mandrillus leucophaeus) was detected in two mandrills (Mandrillus sphinx) from Amsterdam Zoo.
Berkhout, Ben   +5 more
core   +7 more sources

Realization of Borehol V1 Till V4 at Liquidation of Shaft Leopold Situated in the Solivar Part of the Town of Presov [PDF]

open access: yesActa Montanistica Slovaca, 2004
Leopold shaft is situated in the Solivar part of the town of Presov, object (object of National Cultural Monument Gapla). Strong ascent of the level of natural salt brine resulted in the change of stress state of rock massif with subsequent deformation ...
Wittenberger Gabriel   +4 more
doaj  

EXPERIMENTAL RESEARCH REGARDING FORCES AND MOMENTS WICH APPEAR AT PROCESSING X17CRNI16-2 MARTENSITIC STAINLESS STEEL [PDF]

open access: yesFiabilitate şi Durabilitate, 2015
This paper main goal is to measure axial forces (thrust) and moments at stainless steel drill process, in particular the processing of stainless steel X17CrNi16-2 SR EN 10088- 4 DIN 17440.
Leonard Marius CIUREZU GHERGHE   +1 more
doaj  

Chuck for delicate drills [PDF]

open access: yes, 1972
Development of oil film technique to couple power between drive spindle and drill chuck for delicate drilling operations is discussed. Oil film permits application of sufficient pressure, but stops rotating when drill jams.
Copeland, C. S.
core   +1 more source

Reaching consensus on an analgesia protocol for paediatric burn patients in a resource-scarce South African community

open access: yesSouth African Family Practice, 2021
Background: Despite the exceptional burden of burns in low- and middle-income countries (LMIC) and the importance of adequate analgesia in burn care, there is a lack of analgesia protocol developed in resource-scarce settings.
Shelley L. Wall   +2 more
doaj   +1 more source

Core drill's bit is replaceable without withdrawal of drill stem - A concept [PDF]

open access: yes, 1970
Drill bit is divided into several sectors. When collapsed, the outside diameter is forced down the drill stem, when it reaches bottom the sectors are forced outward and form a cutting bit.
Rushing, F. C., Simon, A. B.
core   +1 more source

Real-time adaptive filtering of dental drill noise using a digital signal processor [PDF]

open access: yes, 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
core  

Arithmetic--some drill aspects [PDF]

open access: yes, 1927
Thesis (M.A.)--Boston ...
Finneran, Elizabeth Margaret
core   +1 more source

Interactive Data Exploration with Smart Drill-Down

open access: yes, 2016
We present {\em smart drill-down}, an operator for interactively exploring a relational table to discover and summarize "interesting" groups of tuples. Each group of tuples is described by a {\em rule}.
Garcia-Molina, Hector   +2 more
core   +1 more source

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