منابع مشابه
Ocular trauma from nail gun cartridge wire.
Nail guns are potentially lethal tools that fire nails in rapid succession at high velocity. The nail cartridges are held together with wire, plastic, glue, tape, or paper. When wire is used, the 2 carrier wires (Figure 1) are called the wire collation. As the nail is fired, these 2 wires are sheared off, leaving 2 barblike pieces of wire ( 6 mm) attached to the nail. The 2 pieces are then shea...
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The self-assembly process of G-wire DNA was investigated through scanning probe microscopy. Growth kinetics studies indicated the self-assembly process is diffusion limited and provides Poisson-like distribution of G-wire lengths upon reaching equilibrium. This evidence suggests that self-assembly is driven by thermodynamic processes. The average lengths of these molecules are around 100 nm lon...
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A single-stage, sensor less, coil gun was designed to demonstrate the capability to accelerate a ferromagnetic projectile to high velocity. This paper summarize all important steps during coil gun design, such as physical laws of the coil gun, preliminary calculations, the testing device and final product. The electromagnetic FEA model of the capacitor-driven inductance coil gun was constructed...
متن کاملProgress in Construction of Gun Test Facility for Compact Erl
In order to develop the photo cathode gun for the Compact ERL (cERL), which is a test accelerator to establish accelerator technologies for GeV-class synchrotron light source based on ERL (Energy Recovery Linac), Gun Test Facility is constructing in KEK, AR south experimental hall. The Gun Test Facility consists of a 500 kV gun construction area, a laser system area and a gun test beamline with...
متن کاملGun Play •
Biology and the particular gun culture of the United States come together to explain the persistent and powerful attraction of American boys to both real guns and toy guns. The 1990s saw adults begin to conflate “the gun problem” with “the boy problem,” sparking attempts (largely failed) to banish toy guns from homes and schools. Following the approach of play scholar Gregory Bateson, this arti...
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ژورنال
عنوان ژورنال: Minutes of the Proceedings of the Institution of Civil Engineers
سال: 1884
ISSN: 1753-7843
DOI: 10.1680/imotp.1884.21555