"Dielectric heating" Essays and Research Papers

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    Excition

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    than a hydrogen atom because of the effects of screening and the effective mass of the constituents in the material. Excitons can be treated in two limiting cases‚ which depend on the properties of the material in question. In semiconductors‚ the dielectric constant is generally large‚ and as a result‚ screening tends to reduce the Coulomb interaction between electrons and holes. The result is a Mott-Wannier exciton‚ which has a radius much larger than the lattice spacing. As a result‚ the effect of

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    Unit 1 Research Assignment 1: Integrated Circuit Technology An integrated circuit is a tiny complex of electronic components and their connections that are produced in or on a small slice of material. A MOSFET‚ (Metal Oxide Semiconductor Field Effect Transistor)‚ is the type of transistor used in modern computers. In the most basic form they are an amplifier.  They typically have three pins - a source‚ a drain‚ and a gate.  When there is voltage (not current) on the gate then the MOSFET

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    wireless communication

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    International Journal of Scientific & Engineering Research‚ Volume 3‚ Issue 11‚ November-2012 ISSN 2229-5518 1 DESIGN AND SIMULATION OF MICROSTRIP PATCH ARRAYANTENNA FOR WIRELESS COMMUNICATIONS AT 2.4 GHZ B.SAI SANDEEP Assistant Professor QIS College of Engineering &Technology Ongole‚ Andhra Pradesh INDIA Sandeep6sandeep@gmail.com Abstract—Due to the existence of growth in development of low cost‚ less weight‚ highly reliable‚ minimal profile antennas for wireless devices‚ it poses

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    Biometric Thumb Locker

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    CHAPTER I PROBLEM AND ITS BACKGROUND INTRODUCTION The art of creating new peripherals as a medium for innovations and changes are being introduced. With new technology nowadays‚ more interesting materials are present and more systems are developed. In Rizal Technological University‚ Faculty‚ Students are using lockers or cabinets in a way of storing files or important documents for privacy and security purposes. Some locker is controlled only by ordinary padlock‚ so that the user might not

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    Nizarkh

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    ------------------------------------------------- Abstract Nanofluids‚ the fluid suspensions of nanomaterials‚ have shown many interesting properties‚ and the distinctive features offer unprecedented potential for many applications. This paper summarizes the recent progress on the study of nanofluids‚ such as the preparation methods‚ the evaluation methods for the stability of nanofluids‚ and the ways to enhance the stability for nanofluids‚ the stability mechanisms of nanofluids‚ and presents

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    smart materials

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    SMART MATERIALS 1. Introduction The primary characteristic of a ‘‘smart material’’ is that it has the ability to respond to external stimuli in a technically useful and technically controlled way. The words ‘‘technically useful’’ and ‘‘technically controlled’’ are emphasized since all materials respond to external stimuli of some sort or other (as a simple example‚ all materials respond to temperature by changing their volume)‚ however‚ to be considered a ‘‘smart material’’ the response must

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    ANSOFT’S HFSS USERS PRESENTATIONS 19th FEBRUARY‚ 2004 Los Angeles‚ CA; Crowne Plaza Hotel‚ LA International Airport TITLE ANTENNA AND MICROWAVE COMPONENTS DESIGN WITH ANSOFT’S HIGH FREQUENCY SIMULATOR VERSION 9.1 PRESENTED BY AMEDEO LARUSSI 1 Space and Airborne Systems Electronic Warfare Systems 6380 Hollister Avenue Goleta‚ CA 93117-3114 2 EXAMPLE OF RAYTHEON EW PRODUCTS 3 ACKNOWLEDGEMENTS: • Special thanks to Tom Debski from Raytheon Corporation‚ Goleta for providing material presented

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    Polymer Data Handbook

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    POLYMER DATA HANDBOOK *Home *Browse/Search Contents *Browse by Polymer Class *Browse the Index *Online help Copyright © 1999 by Oxford University Press‚ Inc. EDITED BY JAMES E. MARK‚ UNIVERSITY OF CINCINNATI PUBLISHED BY OXFORD UNIVERSITY PRESS The online version of the Polymer Data Handbook includes key data on over two hundred polymers. Please note that entries are presented as PDF files and can only be read using Adobe Acrobat Reader Version 3. If you do not have the freeware reader‚

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    refractive index

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    Objective The objective of this experiment is to understand reflection and refraction and how they vary with different matters. At the end of this experiment‚ you will be able to: Determine index of refraction of various solutions Recognize the passage of refracted beams though different medium Understand the concept of Snell’s Law Understand how the speed of electromagnetic waves in different matters are related Determine the critical angle for total internal reflection Materials 550

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    HOMEWORK PROBLEMS Chapter 27: CAPACITANCE AND DIELECTRICS Show the equations and calculations‚ and box your answer. Be sure to include the units. NOTE: Any four questions from this HW will be graded‚ and the marks for this HW will be based on these only. (1‚ 2‚ 3‚ 12‚ 13‚ 18‚ 19‚ 21‚ 22‚ 29‚ 31‚ 32‚ 44) 1. A proton beam in an accelerator carries a current of 125 A. If the beam is incident on a target‚ how many protons strike the target in a period of 23.0 s? 2. A copper wire has a circular

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