The magnetic separator is one of commonly used preparation equipments in magnetic separation factory. It has dry and wet two types. According to types of magnets‚ it can be divided into permanent magnet type and electromagnet type. It is also can be divided into strong magnet type‚ middle magnet type and weak magnet type according to the magnetic field strength. Different magnetic separators have different characteristics and performance. 1‚ to maintain good lubrication condition is to extend the
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The Magnet Compass Research Paper Many people believe that the magnetic compass is one of the most important inventions ever created‚ next to penicillin and the panini maker. It turns out that there is an entire story that lies behind this marvelous invention’s history and how it works. When most people think about a compass‚ they think of “that thing that shows which way is north”. But the truth is that it’s much‚ much more than that. This is an example of how much we take the things we have
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Effect of The Earth’s magnetic field By X 9h Earth’s Magnetic Field Introduction Our Earth is a huge bar magnet tilted 11 degrees from the spin axis of the Earth‚ with geographic north pole being earth’s magnetic south pole and vice versa. Similar to how a magnet has a magnetic field surrounding it‚ our Earth also has its own magnetic field. The earth’s magnetic field is formed in the earth’s core due to a process known as the dynamo effect. According to dynamo effect
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1.Best radiological Evaluation method: Impingement syndrome: According to McKinnis (2104)‚ two types of impingement syndrome: Internal impingement and External impingement‚ however most commonly seen in overhead activities athletes. In addition‚ magnetic resonance imaging (MRI) can identify impingement and various associated soft tissue pathologies ( Mckinnis‚ 2014). Ultrasound is to be a justifiable and cost effective assessment method to identify pathology in the shoulder joint or assessment of
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Magnetic Resonance Imaging (MRI) is a medical imaging technology that uses strong magnetic fields and radio waves to create graphic images of the body’s anatomical and internal structures (1). MRI relies primarily on the protons in fat and water molecules of the body‚ as these protons respond to the static magnetic field created in ways that allows for a high quality image to be generated (2). These images contrasts specific tissue and different anatomical structures. For example‚ MRI can reveal
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At present‚ our country magnetic separation machinery manufacturer a lot‚ to make the product variety‚ specifications complex‚ the classification methods are also different. Although various magnetic separation machine has a different program difference‚ but according to the magnetic YangJiang degree‚ produce a magnetic field method‚ structure‚ choose different role don’t‚ magnetic separation machine into a variety. Magnetic separator machine is use of various minerals than the coefficient of different
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a) Derive an expression for the magnetic field B at a point of distance r‚ from an infinitely long wire that carries a current I. Your derivation should include the direction of the magnetic field with respect to the direction of current flow. Verify your expression by using the experimental results obtained. If your results do not show the expected relationship‚ explain why. In order to derive an expression for the magnetic field B at a point of distance r‚ from an infinitely long wire that carries
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yanmin_jia@yahoo.com.cn‚ Phone: +86 579 8229 8979‚ Fax: +86 579 8229 8188 A passive micro-displacement sensor (for ~ μm displacement) was fabricated based on a magnetoelectric laminate‚ in which the displacement change can result in a change of the magnetic flux around the magnetoelectric sensor. The displacement measurement was realized by measuring the magnetoelectric output voltage. The displacement detecting coefficient was ~ 2.5 mV/μm at a frequency of ~ 1 kHz. This passive displacement sensor possesses
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the years EM came to stand for electromagnetic‚ referring to the way the units actuate‚ but their basic operation has not changed. Electromagnetic clutches come in many forms‚ including tooth‚ multiple disc‚ hysteresis‚ and magnetic particle. However‚ the most widely used version is the singleface design. ABOUT ELECTROMAGNETIC CLUTCH These electromagnetic clutches are designed to have a very high torque to size ratio. They include longlife
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of windings to which three-phase electrical power is applied. The stator field can be visualized as a set of north and south poles rotating around the circumference of the stator. (North stator poles are where magnetic flux lines leave the stator‚ and south stator poles are where magnetic flux lines enter the stator.) Because north and south poles occur in pairs‚ the total number of poles P is always even. The direction of rotation of the field in a three-phase induction machine can be reversed by
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