Theory of electromagnetic wave propagation 4188
... due to Professor W R Smythe of the California Institute of Technology, Professor Z A Kaprielian of the University of Southern California, and Dr K S H Lee of the California Institute of Technology ... form of outwardly traveling spherical (but not necessarily isotropic) waves, the sphericity of the waves being a consequence of the confinement of the sources p and J to a finite part of ... substance of a course of lectures I gave during the winter of 1964 at the California Institute of Technology In these lectures I expounded a number of newly important topics in the theory of electromagnetic
Ngày tải lên: 18/03/2016, 01:01
... dependence of α on B 3.3 The dependence of absorption coefficient on the frequency of electromagnetic wave In figure the dependence of absorption coefficient on frequency electromagnetic wave at ... Graphene monolayers by using Kubo formula However, the problem of absorption of the electromagnetic wave in the case of the presence of an external magnetic field in 2D Graphene has not been studied, ... the vector potential of an external electromagnetic wave, n denotes the quantization of the energy spectrum in the z direction (n = 1, 2, 3, ); respectively are wave vectors of electron, phonon,
Ngày tải lên: 13/01/2020, 09:12
... superlattice in the presence of electromagnetic wave Because of the accumulation of electrons on one side of the sample, the number of collisions increases and the heating of the material occurs, ... and the wave function of the material On the other hand, the presence of EMW makes increases the intensity of the EC in comparison to the case the absence of EMW Figure The dependence of EC on ... affect the value of the Hall coefficient but the phase of oscillation [7] shows the dependence of the resistor in the compositional superlattice under the influence of electromagnetic waves The Shubnikov-de
Ngày tải lên: 13/01/2020, 12:39
Báo cáo y học: "HIV-1 coreceptor usage prediction without multiple alignments: an application of string kernels" pptx
... [23]. Despite these limitations, the results of [23] clearly show the relevance of having features representing the fre- quency of occurrences of pairs of segments that are sepa- rated by some distance ... of the discriminant w are bounded polynomially in terms of all the relevant parameters. Consider a protein as a string of symbols from the alpha- bet Σ of amino acids. Σ* represents the set of ... computed for a fixed maximum value θ m of segment sizes and a fixed maximum value δ m of sub- string length. Note that, the number of strings of size θ of Σ* grows exponentially with respect
Ngày tải lên: 13/08/2014, 05:21
Application of enzymes for textile fibres processing (1)
... University of Minho, Campus of Gualtar, Braga and 2 Department of Textile Engineering, University of Minho, Campus of Azure ´ m, Guimara ˜ es, Portugal Abstract This review highlights the use of enzymes ... softness-enhancing effects of cellu- lases are washproof and non-greasy. Optimization of biofinishing processes has been an important area of research. Azevedo et al. (2001) studied the desorption of cellulases ... benefits of removing fuzz are a softer, smoother feel and super- ior colour brightness. Unlike conventional softeners, which tend to be washed out and often result in a greasy feel, the softness-enhancing
Ngày tải lên: 06/08/2013, 21:06
Land Application of Sewage Sludge and Biosolids - Chapter 1 docx
... the life of insects and of animals and of men which was sustained upon the life of these plants and upon the life of other animals, all these creatures too have enriched the surface of the earth ... more information. One of the major aspects of land application of biosolids is the issue of risk to humans, animals, plants and the environment. The two major categories of risk are (1) voluntary ... and an adjunct professor of public health at Boston University School of Public Health at the School of Medicine. He received his B.S. degree in Forestry from New York College of Forestry at Syracuse
Ngày tải lên: 11/08/2014, 09:21
Báo cáo y học: "Close relationship of tissue plasminogen activator–plasminogen activator inhibitor-1 complex with multiple organ dysfunction syndrome investigated by means of the artificial pancreas" doc
... Figure 2 Correlations between mMOF score and parameters related to coagulation and fibrinolysis. The mMOF score (mMOF score = MOF score – the points of coagulopathy of MOF score) was positively correlated ... mg/day, and that of dobutamine was 13 and 4 µg/kg per min. Analyzed items were as follows. Regarding MODS, the multiple organ failure (MOF) score was calculated using the MOF criteria of the Japanese ... Association for Critical Care Medicine [25] (Table 2). The maximum of the MOF score is 14. The modified MOF score (mMOF score), in which points of disseminated intravascular coagulation (DIC) (coagulopathy)
Ngày tải lên: 12/08/2014, 18:20
Báo cáo y học: " In silico modeling indicates the development of HIV-1 resistance to multiple shRNA gene therapy differs to standard antiretroviral therapy" docx
... the feasibility and efficacy of expressing multiple anti-HIV shRNAs to minimize the d evelopment of resistance. While it has not yet been demons trated, the use of multiple shRNAs may also improve ... importance of blocking incoming virus [35]. Although gene therapy is limited by the degree of expansion of transduced cells in this simplified model of lymphoid tissue, it can still provide a measure of ... proportion of untransduced (UNTx) CD4+ T cells will always be present regardless of the level of HSC transduction. The m odel was developed to determine i) h ow many shRNAs and ii) their level of inhibition
Ngày tải lên: 13/08/2014, 01:20
Báo cáo y học: "Circulating angiopoietin-1 and angiopoietin-2 in critically ill patients: development and clinical application of two new immunoassays" pot
... Use of the SOFA score to assess the incidence of organ dysfunction/failure in intensive care units: results of a multicenter, prospective study Working group on "sepsis-related problems" of the ... Cytokine profiles as markers of disease severity in sepsis: a multiplex analysis Crit Care 2007, 11:R49 27 Kofoed K, Andersen O, Kronborg G, Tvede M, Petersen J, EugenOlsen J, Larsen K: Use of plasma ... J: Comparison of procalcitonin (PCT) and C-reactive protein (CRP) plasma concentrations at different SOFA scores during the course of sepsis and MODS Crit Care 1999, 3:45-50 29 Mofarrahi M, Nouh
Ngày tải lên: 13/08/2014, 11:22
An application of the CLT approach in teaching english speaking skill to children at level 1 at asemvietnam language institute
... through an understanding of their own styles of learning and through the development of appropriate strategies for autonomous learning > The role of the teacher is that of facilitator and guide, ... underlying knowledge enables a user of a language to produce and understand an infinite set of sentences out of a finite set of rules By performance, he refers to the use of this underlying knowledge ... view of competence — that of abstract knowledge of grammar, Hymes ’ theory of what knowing a language involves presents a much more inclusive view Savignon (1997) promotes a classroom model of
Ngày tải lên: 28/08/2014, 06:15
Part 1 development and application of hantzsch ester and hypervalent iodine reagent
... Contents Acknowledgements i Table of Contents ii Summary vii List of Tables ix List of Figures xi List of Schemes xii List of Abbreviations xiii List of Publications xvi Part Chapter ... attributed to the use of trimethylorthoformate (TMOF) because when 2.3 eguiv. of TMOF was used, 5-11b and 5-11bb were obtained in 23% and 62% yield respectively. Furthermore, when TMOF was used as the ... 5.2.2 Oxidation of Phosphines 98 5.2.3 Oxidation of Sulfides 100 5.2.4 Oxiadation of Alcohols 103 5.2.5 α-Chlorination of Ketones 105 5.2.6 α-Alkoxylation and α-Hydroxylation of Ketones
Ngày tải lên: 11/09/2015, 10:15
Behaviour of Electromagnetic Waves in Different Media and Structures Part 1 pdf
... constants depend on the wavelength in free space λ0 and the cutoff wavelength in the waveguide λ0c (i.e., the wavelength in free space at the cutoff frequency in the empty waveguide (Kraus and Fleisch ... from the knowledge of the frequency dependence of the complex relative permittivity and magnetic permeability of a material, the shielding effectiveness of a structure made of that material can ... change of a material sample by means of a couple of antennas The measurement is carried out in free space in a wide broadband frequency range, which extends from a few tens of MHz to tens of GHz...
Ngày tải lên: 19/06/2014, 19:20
Scattering of electromagnetic waves theories and applications , tsang , ding , kong
... SATELLITE Tsang, Kong, and Shin * THEORY DETECTION OF OF SEA ICE AND BY MICROWAVE DESCRIPTION IMAGING OF RADAR CROSS TECHNIQUES OF THE EARTH OF MICROWAVE Tsang, Kong, and Ding * SCAnERING THEORIES ... SENSING WAVE PROPAGATION Haykin, Lewis, Raney, and Rossiter AND ICEBERGS Haykin and Steinhardt ESTIMATION OF OPTICAL REMOTE SENSING OF ELECTROMAGNETIC WAVES: OF ELECTROMAGN~I~ OF ELECTROMAGNETIC WAVES: ... students In particular, we wish to thank Professor Chi Chan of City University of Hong Kong, Professor Joel T Johnson of Ohio State University, Dr Robert T Shin of MIT Lincoln Laboratory, and Dr Dale...
Ngày tải lên: 17/03/2014, 13:40
Behaviour of Electromagnetic Waves in Different Media and Structures Part 2 pot
... function Analysis of the surface profiles built by us on results of numeral calculations (fig 2) due to the next conclusions: the wave number K sets length of a wave of the basic harmonic of a surface; ... parameters of falling wave (frequency, polarization) and parameters of geometry of experiment (corner of falling) The task of this subdivision is establishing a connection between intensity of the ... scattering process of the height of heterogeneity of the surface At the increase of the angle of incidence of the falling light begins as though not to “notice” the height of non heterogeneity...
Ngày tải lên: 19/06/2014, 19:20
Behaviour of Electromagnetic Waves in Different Media and Structures Part 3 pot
... media, and chiral media, a set of modal equations of electromagnetic waves for all of those media are obtained, each of which shows the existence of electromagnetic sub-waves, meanwhile its propagation ... equation of electromagnetic waves in isotropic media, the laws of propagation of electromagnetic waves in anisotropic media are not clear to us yet For example, how many electromagnetic waves are ... velocity of electromagnetic wave, τ is the lossy coefficient of electromagnetic wave c= 1 , τ= μ11ε 11 μ11σ 11 (95) Now, we discuss the the propagation laws of a plane electromagnetic wave in...
Ngày tải lên: 19/06/2014, 19:20
Behaviour of Electromagnetic Waves in Different Media and Structures Part 4 doc
... short-circuited wave- guide measurement, sample is inserted at the end of the wave- guide or coaxial line, the standing wave is formed as the incident wave and the reflected wave coexist in the wave- guide ... degree of excitation, are inversely proportional to the product of the effective depth of penetration of the fields and currents into the walls, the skin depth, and the conductivity of the metal of ... the insertion of sample material The measurement is made by placing a sample completely in the center of a waveguide The size of the cavity is 102 Behaviour of Electromagnetic Waves in Different...
Ngày tải lên: 19/06/2014, 19:20
Behaviour of Electromagnetic Waves in Different Media and Structures Part 6 pdf
... properties of all population of atoms of the surface The amplitude of maxima ascends with the increase of quantity of the monolayers of copper atoms on nickel Thus, angular distribution of photoelectrons ... permittivity of medium in the central part of impulse Angular distribution of photoelectrons during irradiation of metal surface by electromagnetic waves There is the problem of achieving of the maximum ... momentum of the taken off electron is defined basically by action produced by the electric vector of quantum of light on electron If electron takes off in the direction of an electric vector of quantum...
Ngày tải lên: 19/06/2014, 19:20
Behaviour of Electromagnetic Waves in Different Media and Structures Part 7 ppt
... medium Because of all of these reasons, ε is a measure of refractive index, reflection, volume and wave polarization of electromagnetic, impedance of medium Propagation of electromagnetic waves in ... frequency of LO phonon, meff* is the effective mass of electron, and k, k’ are the wave vector of electrons before and after scattering, respectively 182 Behaviour of Electromagnetic Waves in ... behavior of any medium is the dielectric constant, which at any frequency determines the refractive index, the form of wave in medium, to be polarized, the state of wave energy and the propagation of...
Ngày tải lên: 19/06/2014, 19:20
Behaviour of Electromagnetic Waves in Different Media and Structures Part 8 docx
... Real part of refractive index of polarized wave μo μ ex D H S V τ τrel α f χ 211 : Real part of refractive index of ordinary wave : Real part of refractive index of extra-ordinary wave : Displacement ... increase of collisions, absorption increases and field strength of the radio -wave decreases As a result of this, amplitude of the radio -wave propagated in the ionosphere will decrease because of the ... frequencies of the wave The second wave is the extra ordinary wave depending on the magnetic field The refractive index of the extra ordinary wave can be defined as follows: 205 Electromagnetic Wave...
Ngày tải lên: 19/06/2014, 19:20
Behaviour of Electromagnetic Waves in Different Media and Structures Part 9 pot
... theories were discussed from the point of view of the stagnation of the performance of the SoC and the suppression of the EMI of the SMC Concurrently, the development of the theory and the technologies ... definition of the wave length (λS) of the SEMW in the SEMW theory is λS = με tS (13) where tS is the specified rise time of the VDS of the PMOS FET in Fig a and Fig b Hundreds of millions of transistors ... value of time According to (12), the SEMW consists of the solitary electric field wave (SEW) and the solitary magnetic field wave (SMW) and these waves are at right angles to each other and both wave...
Ngày tải lên: 19/06/2014, 19:20