نتایج جستجو برای: yield distribution
تعداد نتایج: 792160 فیلتر نتایج به سال:
Agricultural sector area plays major role in Indian economy. This paper shows research comparison in between MLP Feed Forward Neural Network, Generalized Regression Neural Network and Radial-Basis Function Neural Network in the field of Wheat yield prediction using Z-score Normalization method. The outcome represents that GRNN present better prediction results as compared to FFNN and RBNN. Eigh...
A Y zeolite-containing wide-pore composite was synthesized by in situ technique using polyvinyl alcohol and silica sol material. A fluid catalytic cracking (FCC) catalyst for maximizing gasoline yield was successfully developed with the modified composition. The as-made zeolite Y in its sodium form had a relative crystallinity of 52.9 % with a high silica/alumina amount of substance ratio of 5....
The quantum yield of the initial charge separation steps in bacterial photosynthetic reaction centers has been shown to be reduced in an applied electric field [Part I, Lao et al., J. Phys. Chem. 97 (1993) 13165]. The mechanism of this quantum yield failure is examined further by measuring the orientations of the subpopulations which return to the ground state in an electric field. Information ...
In this study, an integrated methodology for impact analysis of polycarbonate (PC) product is proposed which incorporates the processing-induced inhomogeneity of yield stress. A previously developed model is extended to predict the inhomogeneous yield stress distribution along the specimen by using the thermal history experienced during injection molding. A strain rate-dependent elastic-plastic...
A stochastic programming model of optical ber manufacturing is cre ated The purpose is to set the best ber manufacturing goals while accounting for the uncertainty primarily in the yield and secondly in the demand The model is solved for the case when the data follows a multivariate discrete distribution The model is also solved for the case when the distribution is approximated by a multivaria...
Under impact of 150 keV/atom Aun projectiles (1 ≤ n ≤ 9) on gold targets the emission yield of anionic clusters increases much faster with n than expected from a simple proportionality. Moreover the anion size distribution is much larger for bombardment by clusters. The cluster yield enhancements reflect the size dependence of the cluster stability according to the electronic shell structure. A...
Abstract. The main idea of the report is that the yield surface can be presented as thick, "foamed surface" with dimensionality exceeding two. By other words, perhaps, the yield surface is fractal, i.e. it belongs to the geometric objects with fractional dimensionality. Apparently, fractal structure of the yield surface is determined by the fractal structure of natural materials. Besides, the “...
There is a conception that Boltzmann-Gibbs statistics cannot yield the long tail distribution. This is the justification for the intensive research of nonextensive entropies (i.e. Tsallis entropy and others). Here the error that caused this misconception is explained and it is shown that a long tail distribution exists in equilibrium thermodynamics for more than a century.
The Bradford distribution is introduced and explained; its ambiguity, arising from two different conceptions, and relationship to the Zipf distribution are discussed. The general situation that might be expected to yield such a distribution is described and shown to fit the interaction between book users and books available for use in a library. Circulation data from a major research library ar...
This study consists of two experiments*. Experiment A investigates speaker-information distribution in the parametric domain. Experiment B compares different weighting strategies for speaker-information enhancement. The results indicate that weightings based on speaker-information distribution in the parametric domain yield better speaker recognition performance.
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