... improvers. The choice and loading of the NM is a compromise between the required efficiency of the converter and the market price of the NM. However, the application of noble metals for the treatment ... adsorption of reactant molecules on the semi-conducting surface; the formation of these is a function of the electronic properties of the solid, and the structure and kind of bonds. (6) The catalyst ... reaction of carbon monoxide 29 1.4.3 Mechanism of the reduction of NO x 31 1.4.4 Reaction mechanism of three-way catalysts 33 1.5 Aims of the thesis 35 2 EXPERIMENTAL 37 2.1 Synthesis of the...
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... solutions of the system of rational difference equa- tions x n+1 = 1 y n−k , y n+1 = y n x n−m y n−m−k . In [9], Zhang et al. investigated the behavior of the positive solutions of the system of the ... difficult to understand throughly the global behavior of their solutions, for example, see Refs. [12-34]. In this article, we investigate the behavior of the sol utions of the diff erence equation system x n+1 = x n−1 y n x n−1 − ... system of recursive sequences. Mathematica Balkanica. 21(3-4), :287–296 (2008) doi:10.1186/1687-1847-2011-40 Cite this article as: Kurbanli: On the behavior of solutions of the system of rational...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo khoa học: "The behavior of oaks in response to natural and induced exposure to the surfactant ABS" potx
... Bussotti F, Bar- bolani E, Rinallo C (1985) Further investiga- tions on the causes of disorder of the coastal vegetation in the park of San Rossore (cen- tral Italy). Eur J For ... Heslop-Harrison Y, Shivanna KR (1984) The evaluation of pollen quality, and a further appraisal of the fluorochromatic (FCR) test procedure. Theor Appl Genet 67, 367-375 Karhu ... surfactant often found in marine aerosols) over 2 growing seasons to test the effect of the surfactant on the leaf wax structure. Though all species were affected, they dif- fered...
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the behavior of stock market prices eugene f fama the journal phần 1 pdf
... on the one hand by the various chartist theories and on the other hand by the theory of random walks. Although there are many different chartist theories, they all make the same basic assumption. ... change^.^ From the point of view of the investor, however, specification of the shape of the distribution of price changes is extremely helpful. In general, the form of the dis- tribution is ... expected gains.l By contrast the theory of random walks says that the future path of the price level of a security is no more pre- dictable than the path of a series of cumulated random numbers....
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the behavior of stock market prices eugene f fama the journal phần 2 pdf
... is the differ- ence between the logarithm of the closing price on day t + 1 and the logarithm of the actual closing price on day t, the day of the split. These adjustments reflect the ... of the var- iable u arranged in ascending order, then a particular ui is an estimate of the f fractile of the distribution of u, where the value off is given by20 Now the exact value of ... shows the ratio of column (2) to col- umn (1). If the chronological day rather than the trading day were the relevant unit of time, then, according to the well- known law for the variance of...
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the behavior of stock market prices eugene f fama the journal phần 3 pot
... nature of the sample dependence allows us to pin- point the direction of the sampling error of the esti- mate of a. On the other hand, when the sample de- pendence is indicative of true ... that the interfractile range of the distribution of sums will be more than nl'" times the fractile range of the distribution of the individual summands. On the other hand, if there ... the distributions of the first differences of the logarithms of stock prices are in the direction predicted by the Mandelbrot hypothesis. Moreover, the two more complicated versions of the...
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the behavior of stock market prices eugene f fama the journal phần 4 pps
... total actual number of runs. The probability Of a plus run can be as the ratio Of the number Of plus runs in a Of size to the expected number Of runs of all signs, or ... Out of the compute the expected distributions by total expected number of plus runs, the expected proportion of plus runs of length of the total actual number of runs length i is of each ... thus of the conclusions he draws from these results. Because of the complexities of the issues, however, these doubts cannot be completely or system- atically resolved within the confines of...
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the behavior of stock market prices eugene f fama the journal phần 5 pdf
... minimizing the sum of the absolute val- ues of the residuals from the regression line. Since the expectation of the absolute value of the residual will be finite as long as the characteristic ... CONCLUSION The purpose of this paper has been to test empirically the random-walk model of stock price behavior. The model makes 94 THE JOURNAL OF BUSINESS however, the size of the total ... sification has the effect of reducing the dispersion of the distribution of the re- turn on the portfolio, even though the variance of that distribution may be in- finite. Finally, although the Gaussian...
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the behavior of stock market prices eugene f fama the journal phần 6 ppsx
... distribution of y2. The positive tail of the distribution of y2 is related to the tails of the distribution of y in the following way: But since the tails of the distribution of y follow an ... of the summands must be divided by nila if the scale, or unit of meas- urement, of the distribution of sums is to be the same as that of the distribution of the indi- vidual summands. The ... in time series, then the .f fractile of the distribution of the cumulative sample variance of ut at time tl, as a function of the .f fractile of the distribu- tion of the sample variance...
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The Behavior of Structures Composed of Composite Materials Part 1 doc
... is accomplished by the fibers, which carry the majority of the loading and which inherently have superior properties to the bulk fiber material. The fiber can be of one of the following types: Organic Metallic Synthetic Mineral Fibers, ... PROPERTIES The matrix represents the binding material of the composite, which supports and protects the fibers. It also provides a mechanism for the transfer of loads in the event of fiber breakage. ... properties compared to the properties of either of the constituent elements. The acceleration of this material’s revolution is depicted in Figure 1.3, which shows the state a maturity of various materials...
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The Behavior of Structures Composed of Composite Materials Part 2 pps
... they have 46 The matrix, called the compliance matrix, involves the transpose of the cofactor matrix of the divided by the determinant of the matrix with each term defined as Again, the quantities ... termination of the usefulness of the structure. Depending upon the slenderness or frailty of the structure, the buckling (internal) stresses associated with the buckling load can be a fraction of the ... bridge. 41 On the surface of the control element there can exist both normal stresses (those perpendicular to the plane of the face) and shear stresses (those parallel to the plane of the face)....
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The Behavior of Structures Composed of Composite Materials Part 3 docx
... even though there is continuity of the mid-surface strains and curvatures across the thickness of the laminate, the stresses are discontinuous across the laminate thickness because of the 50 Thus, ... equations are the rotations of a lineal element through the thickness. In classical beam and plate theory and are the negative of the first derivative of the lateral displacement with respect to the x ... determining the natural frequencies, or finding the buckling load of a heated or cooled structure one must use the strengths and the moduli of elasticity of the material at the temperature at which the...
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The Behavior of Structures Composed of Composite Materials Part 4 potx
... magnitudes of and In addition, there are numerous books and papers available for the solution of isotropic plate problems [4]. Aware of all of the above, and based upon the fact that the solution of the ... second case of the Levy solution of (3.52) has the same form as that of the isotropic case, Vinson showed that the cases of (3.51) and (3.53) can be dealt with as perturbations about the solution of the ... tension in the x direction (i.e., the 0° direction): (a) (b) (c) What percentage of the load is carried by the 0 plies? The 90° plies? If the strength of the 0° plies is MPA(198,000 psi), and the strength of...
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The Behavior of Structures Composed of Composite Materials Part 5 pps
... therefore, it is no longer necessary to resort to the difficulties of the Kirchhoff boundary conditions for the bending of the plate needed for classical plates. The boundary conditions for the ... until one of four things happens: The amplitude of vibration grows until the ultimate strength of a brittle material is exceeded and the structure fails. Portions of the structure exceed the yield ... increased values of m and n, i.e., with the increased ratio of plate thickness to the wavelength of the m-n th mode of vibration. One major reference on the free vibrations of rectangular isotropic...
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The Behavior of Structures Composed of Composite Materials Part 6 pptx
... for the bending of the beam: 146 (properties are given in Appendix 2 of the text). It is composed of six laminae, unidirectional (all 0°), with ply thickness The density of the material is The ... cross-section, the following analyses are made. Suppose the beam were of a one layer, isotropic material then the maximum stress would be at the top and bottom of the beam at each end, that is, and the traditional ... classical plate theory? 3.10. What is the fundamental natural frequency of the plate of Problem 3.9 in Hz (i.e. cycles per second), using classical plate theory? The weight density of the composite...
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The Behavior of Structures Composed of Composite Materials Part 7 pot
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The Behavior of Structures Composed of Composite Materials Part 8 pps
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The Behavior of Structures Composed of Composite Materials Part 9 ppt
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The Behavior of Structures Composed of Composite Materials Part 10 pdf
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The Behavior of Structures Composed of Composite Materials Part 13 ppsx
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