rotating mechanism

  • 101Yi Xing — (zh cpw|c=一行|p=Yī Xíng|w=I Hsing, 683–727), born Zhang Sui (张遂), was a Chinese astronomer, mathematician, mechanical engineer, and Buddhist monk of the Tang Dynasty (618 ndash;907). His astronomical celestial globe was the first to feature a… …

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  • 102Rotational-vibrational coupling — occurs when the rotation frequency of an object is close to or identical to a natural internal vibration frequency. The animation on the right shows a simple example. The motion depicted in the animation is for the idealized situation that the… …

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  • 103Impact wrench — An impact wrench (also known as an air wrench, air gun, rattle gun, torque gun) is a socket wrench power tool designed to deliver high torque output with minimal exertion by the user, by storing energy in a rotating mass, then delivering it… …

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  • 104Magnetorotational instability — The magnetorotational instability or MRI is a fluid instability that arises when the angular velocity of a magnetized fluid decreases as the distance from the rotation center increases. It can also be known as the Velikhov Chandrasekhar… …

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  • 105printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …

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  • 106Blowback (firearms) — Blowback is a system of operation for self loading firearms that obtains energy from the motion of the cartridge case as it is pushed to the rear by expanding gases created by the ignition of the propellant charge.[1] Several types of blowback… …

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  • 107Bicycle brake — Animation of a single pivot side pull calliper brake for the rear wheel of a steel framed road bike. A bicycle brake is used to slow down or stop a bicycle. There have been various types of brake used throughout history, and several are still in… …

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  • 108Dref Friction Spinning — Friction Spinning or Dref Spinning is a textile technology that allows very heavy count yarns and technical core wrapped yarns to be manufactured. These are most commonly used in mop yarns, flame retardants and high tech fancy yarns such as… …

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  • 109Properties and features of black holes — According to the No Hair theorem a black hole has only three independent physical properties: mass, charge and angular momentum. [citation|last=Heusler |first=M. |year=1998 |title=Stationary Black Holes: Uniqueness and Beyond |journal=Living Rev …

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  • 110Kinematics — Classical mechanics Newton s Second Law History of classical mechanics  …

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