Use of Disaster Management Computerized Simulation System in a teaching hospital of Tehran University of Medical Sciences [PDF]
Introduction: With a dramatic increase in costly mass casualty incidents over the past few decades, disaster planning and preparedness now represent a prominent part of health care policy and practice.
J Nasl Seraji, H Dargahi
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Method for machining holes in composite materials [PDF]
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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A Few Considerations About the Action of Vibration on the Human Elbow Joint
Vibrations produced by modern equipment and machines used at work or in various other situations affect the human body over time. Studies have shown that the organs of our body have a certain resonance frequency.
Gabriela Dogaru Marina
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Push-and-Twist Drillstring Assemblies [PDF]
Deep drilling using a rigid drillstring requires the assembly and disassembly of multiple drill pipes. The interfaces between these pipes provide a challenge for automation because they must transmit large drilling forces and movements while, at the same
Firstbrook, David G. +5 more
core
Rock drill for recovering samples [PDF]
Rotary impact-type rock drill for recovering rock ...
Ford, A. G.
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Er:YAG laser, piezosurgery, and surgical drill for bone decortication during orthodontic mini-implant insertion: primary stability analysis-an animal study [PDF]
It is important to identify factors that affect primary stability of orthodontic mini-implants because it determines the success of treatment. We assessed mini-implant primary stability (initial mechanical engagement with the bone) placed in pig jaws. We
Dominiak, Marzena +5 more
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CONTRIBUTIONS TO THE STUDY OF THE VIBRATIONS FREQUENCY OF THE DRILL TOOL IN THE PROCESS OF MANUFACTURING THE BRONZE MATERIALS [PDF]
In this paper we present the experimental testings used to study the vibration of the drill tool, during the drilling of the bronze products. We have used the experimental setup presented in Miriţoiu (2013)[1].
Cosmin-Mihai MIRIŢOIU +4 more
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THE CRITERIA OF PERFORMANCE OF DRILLING ROLLER BIT CUTTING STRUCTURE
The article provides an overview of the scientific works aimed at study of the destruction and damage of drilling roller bits cutting structure. The results of the examination of bits, used in field conditions, are presented.It is shown that typical ...
V. A. Pyalchenkov
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Modified drill permits one-step drilling operation [PDF]
Drill with modified cutting faces permits one-step drilling operation without chatter upon contact and premature wear. The modification of the drill, which has the same diameter as that of the desired hole, consists of a groove across the bottom of each ...
Libertone, C.
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EXPERIMENTAL MONTAGE USED TO STUDY THE VIBRATION OF THE DRILL TOOL IN THE PROCESS OF MANUFACTURING THE BRONZE MATERIALS [PDF]
In this paper we present the experimental setup used to study the vibration of the drill tool, during the drilling of the bronze products. In this paper the vibrations are analyzed during the drilling on the universal lathe machines.
Cosmin-Mihai MIRIŢOIU +4 more
doaj

