Xem 1-19 trên 19 kết quả Isotropic
  • In this book, a wide range of different topics related to analytical as well as numerical solutions of problems related to scattering, propagation, radiation, and emission in different medium are discussed. Design of several devices and their measurements aspects are introduced. Topics related to microwave region as well as Terahertz and quasi-optical region are considered. Bi-isotropic metamaterial in optical region is investigated.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài:Research Article Triangular Wavelets: An Isotropic Image Representation with Hexagonal Symmetry

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  • This volume presents the results of research on Arabian continental vertebrates discovered in the United Arab Emirates, the Sultanate of Oman, and the Republic of Yemen. The contributors provide information on Arabian palaeontology, stratigraphical, geological, isotropic and palaeomagnetic topics.

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  • Thermodynamics is one of the most exciting branches of physical chemistry which has greatly contributed to the modern science. Being concentrated on a wide range of applications of thermodynamics, this book gathers a series of contributions by the finest scientists in the world, gathered in an orderly manner. It can be used in post-graduate courses for students and as a reference book, as it is written in a language pleasing to the reader. It can also serve as a reference material for researchers to whom the thermodynamics is one of the area of interest....

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  • My introduction to membranes was as a graduate student in 1963. At that time membrane permeation was a sub-study of materials science. What is now called membrane technology did not exist, nor did any large industrial applications of membranes. Since then, sales of membranes and membrane equipment have increased more than 100-fold and several tens of millions of square meters of membrane are produced each year—a membrane industry has been created.

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  • Giải thích các thuật ngữ Actual evapotranspiration (Bốc thoát hơi thực): Cường độ bốc hơi từ bề mặt hoặc lớp phủ thực vật vào khí quyển dưới điều kiện khí tượng thịnh hành và có sẵn nước (mục 3.3, hộp 3.1) Aerodynamic resistance (Sức cản khí động lực): Thông số tỷ lệ cho dòng nhiệt thấy được và tiềm tàng trong phương trình Penman - Monteith (mục 3.3, hộp 3.

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  • We shall consider the scattering of a plane, linearly polarized monochromatic wave by a perfectly conducting prolate spheroid immersed in a homogeneous isotropic medium. Solution of the EM scattering by the oblate spheroid can be obtained by the transformations 5 --+ it and c --+ -ic. It is assumed that the surrounding medium is nonconducting and nonmagnetic. The geometry of the configuration is shown in Fig. 4.1, and the surface of the spheroid is given by

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  • So, given PT and G it is possible to calculate the power density at any point in the far ®eld that lies in the direction of maximum radiation. A knowledge of the radiation pattern is necessary to determine the power density at other points. The power gain is unity for an isotropic antenna, i.e. one which radiates uniformly in all directions, and an alternative de®nition of power gain is therefore the ratio of power density, from the speci®ed antenna, at a given distance in the direction of maximum radiation, to the power density at the same point, from an isotropic...

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  • Ericson, E.; et. al “Mechanical Properties of Materials in Microstructure...” Handbook of Micro/Nanotribology. Ed. Bharat Bhushan Boca Raton: CRC Press LLC, 1999 © 1999 by CRC Press LLC Mechanical Properties of Materials in Microstructure Technology Fredric Ericson and Jan-Åke Schweitz 15.1 Introduction 15.2 Cohesion and Crystal Structures System Energy and Interatomic Binding • Lattice Structures and Structural Defects 15 15.3 Elasticity Properties Isotropic Elasticity • Anisotropic Elasticity 15.

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  • EM Scattering by a Coated Dielectric Spheroid 5.1 GEOMETRY OF THE PROBLEM In this chapter we consider the scattering of a linearly polarized plane monochromatic wave by a homogeneous lossy/lossless dielectric spheroid with a confocal lossy/lossless dielectric coating immersed in a homogeneous isotropic medium. It is assumed that the surrounding medium is nonconducting and nonmagnetic

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  • This book focuses on the current research in the area of rheology. Rheological characterizations are performed on materials in order to understand the basic nature of a system, quality control of raw materials and final products. The rheological characterizations are important to study the effect of different parameters such as formulation, shelf life and temperature on the quality of final products.

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  • Iterative Method Iterative Procedure Integral Equation for Scattering Problems Active Remote Sensing of a Half-Space of Spherical Particles Active Remote Sensing of a Layer of Nonspherical Particles 1.4.1 Numerical 1lIustrations with Finite Dielectric Cylinders Second-Order Scattering from Isotropic Point Scatterers Discrete Ordinate-Eigenanalysis Method Radiative Transfer Solution for Laminar Structures Numerical Procedure of Discrete Ordinate Method: Normal Incidence Active Remote Sensing: Oblique Incidence Discrete Ordinate Method for Passive Remote Sensing Passive...

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  •  NMR in solids, like solution-state, relies on the behavior of nuclear spin energy levels in a magnetic field. However, the interactions that affect NMR spectra act differently.  In liquids, molecules reorient and diffuse quickly, leading to narrow isotropic resonances.  In solids, the fixed orientation of individual crystallites leads to a range of resonance frequencies for anisotropic interactions.

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  • Monte-Carlo modeling allows calculating the detector efficiency in gamma spectrometry of environmental samples with taking into consideration both the photon selfabsorption in sample itself and absorption in all other materials between the sample and the detector’s active part. In this paper, the peak efficiencies of the Hp Ge detector (GMX) for gammas at various energies (emitted isotropically from the standard disk source and volumetric source - environmental sample, in which the different radionuclides are present) ...

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  • The process, as described in step (c) is repeated for a shorter time to expose the bottom silicon surface for further dry etching, as shown in Fig. 9(g). In order to expose sidewalls for the wet etch release, the structure is deepened using a similar multi-step dry etch process as described in step (d), except that low energy, high pressure isotropic dry etching is used instead of high energy, high pressure to preserve the less robust silicon dioxide that had taken the place of Cr as the etch mask. This deepening of the structure determines the gap between the...

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  • Tham khảo sách 'fossil vertebrates of arabia_1', nông - lâm - ngư, nông nghiệp phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Construction of bounds on the elastic moduli of isotropic multicomponent materials which involve three-point correlation parameters. We use numerical methods to study several representative material models. Construction of three-point correlation bounds on the effective elastic shear modulus of composite materials and applications of the bounds are given to some composites.

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  • (BQ) Part 2 book "Introduction to continuum mechanics" has contents: The elastic solid (linear isotropic elastic solid; constitutive equation for isotropic elastic solid under large deformation), newtonian viscous fluid, integral formulation of general principles, non newtonian fluids.

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  • The first reported CMOS-MEMS processes produce microstructural sidewalls by stacking the drain/source con- tact cut and metal via cuts in the CMOS and removing the metallization layers above the cuts [13]. The substrate is exposed in the cut regions. A wet or dry isotropic silicon etch undercuts and releases the microstructures. Gaps between microstructures are limited to several microns because of artifacts in the etch pits from etching metal above the CMOS contacts.

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