... geography, the lake was the Sea of Azof Suddenly, in these circumstances, I became aware that, on the other side of the Sea of Azof, we had an interested spectator The way this knowledge gathered ... saw it, and she saw I saw it; but neither of us spoke of it I remember the time and the place—the corner of the lawn, the shade of the great beeches and the long, hot summer afternoon It wasn't ... Trang 1THE TURN OF THE SCREW by Henry James Prepared and Published by: EE-BooksDirectory.combd Trang 2THE TURN OF THE SCREW The story had held us, round the fire, sufficiently
Ngày tải lên: 29/04/2016, 21:59
... formal mathematical structure as a framework for constructing an evolutionary theory Neither the algebra of the appendix nor the graphical analysis of the footnotes matched the complexity of the text ... misleading to present the process as just a refinement or perfection of earlier theory To see this, consider the elements on which the price theory of the neoclassical synthesis rested: 1 The organizing ... as exogenous These examples illustrate the variety of interpretations of utility theory that existed around 1920 Other theories could be added to the list, such as Fetter’s use of instinct-impulse
Ngày tải lên: 06/07/2014, 02:21
Báo cáo khoa học: "Fifth Conference of the European Chapter of the Association for Computational Linguistics" potx
... to send one copy o f their report to the member of the programme committee responsible for that sub-field and another to the programme chair On this basis the members of the programme committee, ... Conference of the European Chapter of the Association for Computational Linguistics Proceedings of the Conference 9-11 April 1991 Congress Hall, Alexanderplatz Berlin, Germany Published by the ... for the financial aid we received from the Federal Minister of Research and Technology Finally, we would like to extend our gratitude to the project group KIT-FAST of the Technical University of
Ngày tải lên: 01/04/2014, 00:20
Handbook of Plant Nutrition - chapter 20 pps
... com-pared with the absence of salt (34), but this e ffect may depend on the overall nutritional status of the plant and the purity of the sodium chloride. A part of the biomass of halophytes is the inorganic ... the level of the sea dropped by more than 10 m; and its area decreased by over 40% in the latter half of the 20th century and is still decreasing Even the United States of America, with all of ... drainage or control of salt fluxes in the soil has been repeated in other civilizations such as the Hohokam of the Sonoran Desert and the Indus civilization of Pakistan The mistakes of ancient civilizations
Ngày tải lên: 02/07/2014, 00:20
Independent And Stationary Sequences Of Random Variables - Chapter 20 ppsx
... Again in the spirit of (1), extend the ~ results of © 5 3 to the case ofconvergence to stable laws Chapters 6-14(1) In all the theorems of these chapters, the zones considered were ofwidth A(n)p(n) ... H, then it is easy to verify that E (X 1 9JIn) = PnX Trang 12Chapter 1 ©© 1-3 : The development of probability theory on the basis of the cepts of measure theory, including the definition of ... extend or develop the results of preceding chapters,such as those solving the problems of Chapter 20 Thus proofs are eitherwholly omitted, or only touched on The referencing of this chapter isself-contained
Ngày tải lên: 02/07/2014, 20:20
Radio Propagation and Remote Sensing of the Environment - Chapter 1 docx
... and demonstrate the importance of mediaparameters on the appearance of these effects, the possibility of detection of that orother effects against a background of noise and other masking phenomena, ... deeplyinto either the details of device construction or the algorithms of their data process-ing, as it is very difficult to do so within the limited framework of this book; therefore,only the principal ... electrical dipole moment of the chargessystem in the investigated volume So, the first term of Equation (1.40) describesthe dipole radiation of the currents system The simplest model of electrical dipole
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 2 pps
... MEDIA The explanation of the plane wave concept provided above does not include all types of waves, as the form of a plane wave depends on the propagation media istics The simplest is the case of ... Sensing of the EnvironmentAt n′ > 1, which usually occurs, the phase velocity is less than the speed of light In the case of plasma, when n′ < 1, the phase velocity is more the velocity of light.The ... system of linear uniform algebraic equations relative to the components of an electric field, the conditions of the nontrivial solution requirethe determinant of the system to approach zero The
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 3 ppsx
... that the role of the permittivityfrequency dispersion is weak in the frame of the signal bandwidth and that theabsorption in the layer does not depend on the frequency, then the result of calcu-lations ... coefficient for the noise radiation is the squared module of the common coefficient of the sine waves averaged in the frequency band.Let us now consider the case of the dielectric layer The result of integration ... Remote Sensing of the Environmentlogical compared to their energy flows If the following is the power flow density of the incident wave: then the flow density of its energy is: The Parseval equality18
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 4 potx
... Propagation and Remote Sensing of the EnvironmentIf angle α between the direction of the ray and the direction of the permittivity isintroduced, then: (4.15) On the basis of Equation (4.15) and after ... tangential to the rays and describes the wave energypropagation direction If τ is the length along the ray, then the ray equation has the form dr/dτ = s.Then, ∇ψ = sd/ψ/dτ, and the eikonal equation ... We candefine the vector of wave propagation by the formula: (4.7)where s is the unitary vector, which is orthogonal to the equiphase surfaces Thelines orthogonal to the surfaces of the eikonal
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 5 docx
... along the axes of the ellipsoid The surface can be described by the equation: (5.39) We will assume the validity of the following relationships between the semi-axes of the ellipsoid: a b c Further, ... (5.75) is a particular case of the second of these equations for small-sizedparticles Generally, the resonant members of these sums will be the largest, but thesum of the other members will not necessarily ... cross section of absorption due to the smallness of the product ka Accordingly, the total cross section calculated on the basis of the optical theorem is equal to the cross section ofabsorption
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 6 pps
... ratio of theroughness scales and the wavelength The nature of the roughness varies depending on the type of surface Sea surface roughness is a result of the interaction of thewind with the water ... on the plane z = 0, and Having found the field component of the zero approximation, let us now computethe fields of the first approximation of the perturbation theory The first step is torewrite the ... doing so, the incident plane wave (moreexactly, the source of the radiated wave) is the source for the field of the zeroapproximation The fields of subsequent approaches are excited by the precedingfields
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 7 docx
... by the value of the order lz It follows, then, that the scale of the mean field change along the wave propagation direction is estimated by the value Consequently, the scale of the functional ... on the longitudinal coordinate (e.g., altitude in the atmosphere of Earth) Furthermore, we will make the following changes to the variables: (the first of these two equations is the equation of ... 30, 2004 1:43 PM Trang 8In this case, we can neglect the role of small-scale turbulence Then, it is convenientto use the relation: (7.30) known from the theory of Bessel functions.44 Here, is the
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 8 pdf
... KIRCHHOFF’S LAW The background of the thermal radiation theory of heated bodies will be discussed in this chapter This radiation appears as the result of random motion of charged particles inside the ... orthogonal to the line connecting the receiver and the center of gravity of the radiating body We can direct the z-axis along this line The discussion in this case is about the reception of waves, the ... In the case of statistical independence of waves of different polarization, the fluctuation intensity of the detected x-polarized field will be equal to the weighted sum of intensities of all the
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 9 pdf
... sources One of them is the process of rescattering due to particles of radiation coming upon the consideredvolume from other (side) directions The density of the flow incident within the solidangle ... Remote Sensing of the EnvironmentThe eigenvalues themselves are defined from the condition of the normalization, Equation (9.33), and we obtain the following equation: This other view of the equation ... ray, inthe inclusion of the propagation medium permittivity, and in the label itself — theray intensity of the main energetic value By the way, other labels have been usedfor value I in the literature:
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 10 pptx
... sufficient in thecase of a great number of channels; for example, the maximal value of nondiagonalterms of the chosen row can be used for the diagonal term The qualitative side ofThe first group of factorial ... sensing of the natural environment is realized within a wide range of of the range has its own merits and demerits; therefore, the most effective approach is the application of different areas of the ... peculiarities of radio propagation in theexperimental conditions The problem of various objects interacting with electro- In the case of sounding from space through the ionosphere, the lower limit ofthe
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 11 ppsx
... receiving) are ofinterest, as very often they are sources of interference One of the main reasons forthe high side lobe level is the sharp change of apparatus function at the edge of theantenna; therefore, ... angle ofthe major lobe estimated by the first zero line of the antenna pattern In the case ofthe patterns represented by Equation (1.118), it is reduced to , where is the second root of the first-order ... absence of wave attenuation in the environment In the future, we willgenerally restrict ourselves to the case of clouds as the subject of the study Theyare distributed targets; therefore, the power
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 12 ppt
... polarization, and other radiowave parameters Thermalmicrowave radiation is also the result of this interaction The main focus of thischapter is on the neutral part of the atmosphere of Earth — the troposphere ... Methods 34580% of cases For the remaining 20% of cases, a shower occurs At 2 < Yi < 8, showers occur 75% of the time; a steady downpour, 20% of the time; and thunder-storms, 5% of the time When ... is based on the ment that they consist of water drops or ice crystals The drop sizes, their concen-tration, and the altitude distribution of these parameters are defined by the type ofhydrometeor
Ngày tải lên: 11/08/2014, 21:21
Radio Propagation and Remote Sensing of the Environment - Chapter 13 ppsx
... possible One of the simplest ways of overcoming these difficulties is based on determi-nation of the difference of the plane polarization angle turn by the change in the zenith angle of the satellite ... on the curve of the foreshortened cone crossing the surface of Earth, is applicable Determination of the frequency shift of the scattered waves (due to Doppler effect) and the velocities of the ... determination of the degree of the different atmospheric layers anisothermic when we know the height profile of the electron density The second way to determine the electron concentration is measurement of
Ngày tải lên: 11/08/2014, 21:21
The turn of the screw
... me - at the tower. So there was another person out there, on the roof of the tower. But the person in the garden was not the ghost of the woman. It was little Miles. ... stood on the roof of the towetThere were two towers, one at each end of the roof. Each tower had a room inside, and you could climb out onto the roof from them; Flora ... strange or dangerous places - the roof of the tower, the other side of the lake. It's dangerous but exciting, for Flora and Miles. They'll try to get to those...
Ngày tải lên: 20/03/2014, 15:45
Tài liệu LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-THE ADVENTURES OF HUCKLEBERRY FINN CHAPTER 20 pdf
... calico. Some of the young men was barefooted, and some of the children didn't have on any clothes but just a towlinen shirt. Some of the old women was knitting, and some of the young folks ... kinds of sheds, only they was bigger and held crowds of people. The benches was made out of outside slabs of logs, with holes bored in the round side to drive sticks into for legs. They didn't ... London." In other bills he had a lot of other names and done other wonderful things, like finding water and then a-leaning down over the front of it, with his arms and his body going all the time,...
Ngày tải lên: 21/01/2014, 21:20
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