since the verbs of and have similar use and play an important role in arabic grammar, it was useful to study both and discuss about their functions. following the discussion we found that there is five different functions for :first, it is an imperfect verb, (that give the noun an nominative case and the comment an objective case) arabic grammar experts disagree if it has a verb function or a n...

background: sexual function and its subsequent satisfaction are among the most important aspects of women’s life. however, this instinct could be influenced by some factors such as diseases, drug using, aging, and hormonal and physiologic changes associated with menopause, and sexual behavior. objective: the aim of this study was to describe the prevalence rates of sexual dysfunction, and relat...

Abstract In the context of current COVID-19 pandemic, households throughout world have to cope with negative shocks. Previous research has shown that shocks impair cognitive function and change risk, time social preferences. this study, we analyze results a longitudinal multi-country survey conducted in Italy (N = 1652), Spain 1660) United Kingdom 1578). We measure using Cognitive Reflection Te...

we propose a wavelet based stochastic regression function estimator for the estimation of the regression function for a sequence of pairwise negative quadrant dependent random variables with a common one-dimensional probability density function. some asymptotic properties of the proposed estimator are investigated. it is found that the estimators have similar properties to their counterparts st...