sharp+cutoff

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• colon cutoff sign — a radiographic sign of appendiceal perforation or colonic spasm, consisting of absence of gas and feces in the right lower quadrant, reflex dilatation of the transverse colon, and sharp cutoff of gas at the hepatic flexure …   Medical dictionary

• Meek Cutoff — For the 2010 film, see Meek s Cutoff. The Meek Cutoff was a covered wagon road that branched off the Oregon Trail in northeastern Oregon. First used in 1845, it left the trail at Vale, Oregon, followed the Malheur River, heading southwest into… …   Wikipedia

• Spatial cutoff frequency — In optics, spatial cutoff frequency is a precise way to quantify the smallest object resolvable by an optical system. Due to diffraction at the image plane, all optical systems act as low pass filters with a finite ability to resolve detail. If… …   Wikipedia

• List of vacuum tubes — This is a list of vacuum tubes or thermionic valves. Before the advent of semiconductor devices, hundreds of tube types were used in consumer and industrial electronics; today only a few types are still used in specialized applications. Contents… …   Wikipedia

• Duane–Hunt law — Spectrum of the X rays emitted by an X ray tube with a rhodium target, operated at 60 kV. The continuous curve is due to bremsstrahlung, and the spikes are characteristic K lines for rhodium. The Duane–Hunt law explains why the continuous curve… …   Wikipedia

• Bremsstrahlung — produced by a high energy electron deflected in the electric field of an atomic nucleus Bremsstrahlung (German pronunciation: [ˈbʁɛmsˌʃtʁaːlʊŋ] ( …   Wikipedia

• Cut-off (electronics) — In electronics, the term Cut off identifies a state of negligible electrical conduction which is proper of several types of electronic components when a control parameter (which usually is a well defined voltage or electric current, but could… …   Wikipedia

• Pentagrid converter — For other types of frequency converters please, see Frequency converter. The pentagrid converter is a radio receiving valve (vacuum tube) with five grids used as the frequency mixer stage of a superheterodyne radio receiver. Grids of a 12SA7GT… …   Wikipedia

• Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …   Wikipedia

• Automotive lighting — Blinker redirects here. For other uses, see Blinker (disambiguation). Not to be confused with Magneti Marelli company AL Automotive Lighting. For lights in seafaring and aviation, see navigation light. The lighting system of a motor vehicle… …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium