Gholam Ali Parham

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Since the domain of correlation Farlie–Gumbel–Morgenstern copulas is limited, in this new extension has been attempted to extend the domain of correlation Farlie– Gumbel–Morgenstern copulas and also use it to model high negative dependence values. The ranges of the Spearman’s correlation in our proposed extension have been found to be in ] 43 . 0 , 5 . 0 [−(More)
OBJECTIVES Previous studies have shown that vitamin B as well as folate supplementation has been implicated in cognitive and neurodegenerative disorders including Alzheimer's and Parkinson's diseases. The aim of present study was to evaluate the effects of folic acid on passive avoidance task and motor coordination in healthy adult male rats. MATERIALS(More)
Introduction: Nitric oxide is an important messenger in hippocampal region which is affected in learning and memory processes and hippocampal responses to stress. In this study, we investigated the effect of L-NAME on passive avoidance memory in adult male rats exposed to restraint-stress. Methods: For this purpose, male Wistar rats were bilaterally(More)
The problem of estimating the reliability parameter originated in the context of reliability where represents the strength subjected to a stress . But traditionally it is assumed that the available data from the stress and strength populations are performed in exact numbers. However, some collected data might be imprecise, and are represented in the form of(More)
Los procedimientos clásicos de estimación para los parámetros de la distribución Weibull se encuentran basados en datos precisos. Se asume usualmente que los datos observados son números reales precisos. Sin embargo, algunos datos recolectados podrían ser imprecisos y ser representados en la forma de números difusos. Por lo tanto, es necesario generalizar(More)
Some work has been done in the past on the estimation of reliability characteristics of Rayleigh distribution based on complete and censored samples. But, traditionally it is assumed that the available data are performed in exact numbers. However, in real world situations, some collected lifetime data might be imprecise and are represented in the form of(More)
Introduction: Aluminum is known as a neurotoxic element which causes neurodegeneration, learning deduction and movement disorders. Aluminum ions in the brain cause serious problems such as Alzheimer, Parkinson and other degenerative diseases. On the other hand, Zinc is a dietary element essential for several biological processes, modulates neurotransmission(More)
Classical statistical analysis of the Rayleigh distribution deals with precise information. However, in real world situations, experimental performance results cannot always be recorded or measured precisely, but each observable event may only be identified with a fuzzy subset of the sample space. Therefore, the conventional procedures used for estimating(More)
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