نتایج جستجو برای: shda method
تعداد نتایج: 1630088 فیلتر نتایج به سال:
iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...
data envelopment analysis (dea) is a powerful tool for measuring relative efficiency of organizational units referred to as decision making units (dmus). in most cases dmus have network structures with internal linking activities. traditional dea models, however, consider dmus as black boxes with no regard to their linking activities and therefore do not provide decision makers with the reasons...
In this paper we introduce a formal approach to architectural design patterns based on an object-oriented model integrated with a process-oriented method for describing the patterns. The object-oriented model is based on the Abstract Data View (ADV) concept, which is a formal model for subjectivity in that it explicitly distinguishes between two kinds of objects, namely application objects and ...
abstract sensitive and precise voltammetric methods for the determination of trace amounts of furaldehydes, mainly as furfural (f) and 5-hydroxymethyl-2-furaldehyde (hmf), in waste waters and other matrices is described. determination of total furaldehyde at < ?g g-1 levels in alkaline buffered aqueous media was individually investigated. by the use of ordinary swv and adsorptive square wave ...
prostate cancer is the second most common cancer in men. in spite of on-going researches in this filed, the specific causes of prostate cancer are so far unknown. in this study, we used two methods of gene set analysis to improve the biological interpretation of the observed expression patterns in prostate cancer. the gene set analysis is a computational method to discover gene sets whose expre...
background: sperm selection for icsi based on morphology and motility might not be relevant to chromatin integrity. thus sperm selection based on sperm characteristics has been suggested. objective: the aim of this study was to compare the efficiency of zeta method with routine density gradient centrifugation method (dgc) for the selection of sperm with higher dna integrity. materials and metho...
in this article, we study the new streamline diffusion finite element for treating the linear second order hyperbolic initial-boundary value problem. we prove a posteriori $ l^2(l^2)$ and error estimates for this method under minimal regularity hypothesis. test problem of an application of the wave equation in the laser is presented to verify the efficiency and accuracy of the method.
in this paper, based on the slab method of analysis, a novel and general approach isdeveloped for studying the radial forging process with curved profile dies. the presented approachis not only more general with respect to previous studies, but it is also easier to understand and useand can be efficiently used for optimization of the die profile depending on the forging geometryand conditions. ...
in this paper, we present a new modification of chebyshev-halley method, free from second derivatives, to solve nonlinear equations. the convergence analysis shows that our modification is third-order convergent. every iteration of this method requires one function and two first derivative evaluations. so, its efficiency index is $3^{1/3}=1.442$ that is better than that o...
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