نتایج جستجو برای: empirical model
تعداد نتایج: 2246682 فیلتر نتایج به سال:
Penetration into non-homogeneous concrete- steel target is of prime importance to applied scients and civilian analyzers. Due to complexly of the problem, most of the work done in this experimental in nature. In this Study, an analytical solution of long rod projectile penetrating depth into concrete targets with applying the analytical model of Alekseeveskiis-Tate, and for concrete/steel targe...
This essay identifies the empirical facts about lobbying which are generally agreed upon in the literature. It then discusses challenges to empirical research in lobbying and provides examples of empirical methods that can be employed to overcome these challenges—with an emphasis on statistical measurement, identification, and casual inference. The essay then discusses the advantages, disadvant...
in this commentary, we establish a relationship between medical sociology and the study of medical tourism and cross-border healthcare by introducing ronald andersen’s behavioral model of healthcare use, and linking this model to the recent empirical study of kovacs et al. on patients travelling to hungary for orthopedic treatment. finally, we plead for more measurement in the field of patient ...
This contribution extends linear models for feature vectors to sublinear models for graphs and analyzes their properties. The results are (i) a geometric interpretation of sublinear classifiers, (ii) a generic learning rule based on the principle of empirical risk minimization, (iii) a convergence theorem for the margin perceptron in the sublinearly separable case, and (iv) the VC-dimension of ...
We have measured the transition process from the high to low resistivity states, i.e., the reset process of resistive switching based memristors based on Ni/HfO2/Sin+ structures, and have also developed an analytical model for their electrical characteristics. When the characteristic curves are plotted in the current-voltage (I-V) domain a high variability is observed. In spite of that, when th...
An ice core extracted from Holtedahlfonna ice cap, western Spitsbergen, record spanning the period 1700–2005, was analyzed for major ions. The leading empirical orthogonal function (EOF) component is correlated with an index of summer melt (log([Na]/[Mg]) from 1850 and shows that almost 50% of the variance can be attributed to seasonal melting since the beginning of the industrial revolution. T...
Production cross sections and excitation functions of neutron deficient isotopes of U, Pa and Th have been measured in the reaction of 22 N e+ 208 P b. The comparison of experimental production cross sections of uranium isotopes with the neutron number 126 ≤ N ≤ 134 to the values calculated using statistical model of nuclear deexcitation has been carried out. There is shown, that none of the co...
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