ultrasonic motor INTRODUCTION All of us know that motor is a machine which produces or imparts motion‚ or in detail it is an arrangement of coils and magnets that converts electric energy into mechanical energy and ultrasonic motors are the next generation motors. In 1980‚the world’s first ultrasonic motor was invented which utilizes the piezoelectric effect in the ultrasonic frequency range to provide its motive force resulting in a motor with unusually good low speed‚ high torque
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Science Division Course Offerings Astronomy (AST) AST 220. INTRODUCTION TO ASTRONOMY 4 cr. hrs.‚ Lec. 3‚ Lab. 2 This course covers the history of astronomy and the development of astronomical thought leading to the birth of modern astronomy and its most recent development. Emphasis is placed on the coverage of astronomical instruments and measuring technologies‚ the solar system‚ the Milky Way galaxy‚ important extra galactic objects and cosmology. Laboratory is required. Biology (BIO) BIO 103
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SYLLABUS BREAK UP FOR STD X |Subjects |1st Assessment |2nd Assessment |1st Prelims | |English I |*Essay writing |*Essay writing |*Essay writing | | |*letter writing (formal/informal) |*letter writing (formal/informal) |*letter writing (formal/informal)
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Gregor Schnider The magnetism of German artist Gregor Schneider is seeded within his bizarre and controversial works of art. Schneider’s ability to create a completely enveloping exhibit through various media platforms is best shown in “Haus ur”‚ his greatest known work. Schneider’s beyond contemporary and minimalist attitude towards his art began concealed inside a three-storey home in the town of Rheydt‚ Germany. With room inside room inside room and window in front of window in front of wall
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In the play Death of a Salesman‚ the author‚ Arthur Miller created certain characters that were meant to personify any average citizen‚ great or small. Willy Loman and Biff is the antithesis of Charley and Bernard’s character‚ respectively. Among the numerous ways that Charley and Willy are different‚ one of the key contrasts between these two men is their personalities. Willy’s characteristics in the play can be portrayed as resentful‚ and judgmental. On the other side of the spectrum‚ Willy’s
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Environment Environment may refer to: • Built environment‚ constructed surroundings that provide the setting for human activity‚ ranging from the large-scale civic surroundings to the personal places. • Environment (biophysical)‚ the physical and biological factors along with their chemical interactions that affect an organism. • Environment (systems)‚ the surroundings of a physical system that may interact with the system by exchanging mass‚ energy‚ or other properties • Environmental
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Physiography is the science which treats the Earth’s exterior physical features‚ climate‚ life and the physical movements or changes on the Earth’s surface‚ such as the currents of the atmosphere and ocean‚ the secular variations in heat‚ moisture‚magnetism‚ i.e. physical geography. Sunderban is the most preciouse and wealthy area for Bangladesh.Sunerban suituated in Khulna Division and it’s gives protection to Bangladesh from outside enemies.There lives lot of different kinds of animals and these
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In the show How I Met Your Mother‚ one of the main characters is Barney Stinson. Barney Stinson is a very complicated and intriguing character as he has many issues that he has to resolve. In the show the viewers are informed he has previously been diagnosed with Attention Deficiency/Hyperactivity Disorder. Barney’s childhood is not quite articulated about in the beginning of the show‚ but then we uncover more. We find out that is mother raised him and his half brother alone. When Barney was an adolescent
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EEE 171 Fall 2000 Lecture #1 1 Lecture 1: Importance of Electromagnetics Electricity and magnetism in three dimensions is understood through electromagnetic theory. Even simple circuit theory is founded on electromagnetic principles. DIMENSIONS AND UNITS We will use Système Internationale d ’Unités or the SI system of units whose fundamental units are: kilogram‚ meter‚ second‚ Ampere‚ Kelvin‚ and Candela for mass‚ length‚ time‚ temperature‚ and luminous intensity‚ respectively. We will also work
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Introduction What do we mean by applied geophysics? 2 Applied geophysics – Introduction Remote sensing Constraining the Earth’s sub-surface with observations at the surface Geophysical techniques measure physical phenomena: • Gravity • Magnetism • Elastic waves • Electricity • Electromagnetic waves Which are sensitive to sub-surface physical properties: • Density • Magnetic susceptibility • Seismic wave velocity and density • Resistivity • Conductance/inductance/permitivity Oh
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