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Cathode ray tube (crt):
Displays of this type, which are based on the electron beam scanning technique, have been used in aircraft for many years. They were first used to display weather radar information and have continued to be an essential part of the "Avionics Fit" in today's modern aircraft.
The CRT is a thermionic device, i.e. one in which electrons are liberated as a result of heat energy. It consists of an evacuated glass envelope inside which are positioned an "Electron Gun", "Beam-Focusing" and "Beam-Deflection" system. The inside surface of the screen is coated with a crystalline solid material known as a phosphor.
Figure: shows a cross-section of a CRT.
Evolutionary Methods Optimization methods based upon natural or biological processes Need to be able to parameterise a solution and determine a cost function (good or bad
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micro structure of exogenous tree
Q. Explain Bragg's law. A monochromatic X-ray is incident on a crystal. By rotation the crystal, two successive reflections are obtained at angles of 10.0° and 23.0°. the inter p
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Uncertainty propagation In order to calculate the error of a quantity derived from a mathematical formula which has measured variables with errors, one should use the uncertain
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How to calculate the depth of a masonry dam of trapezoidal cross section with height of 24ft,2ft top width,,12 ft base width and weight of concrete 150 lb/ft^3.The resultant pressu
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