let $r$ be an associative ring with identity. an element $x in r$ is called $mathbb{z}g$-regular (resp. strongly $mathbb{z}g$-regular) if there exist $g in g$, $n in mathbb{z}$ and $r in r$ such that $x^{ng}=x^{ng}rx^{ng}$ (resp. $x^{ng}=x^{(n+1)g}$). a ring $r$ is called $mathbb{z}g$-regular (resp. strongly $mathbb{z}g$-regular) if every element of $r$ is $mathbb{z}g$-regular (resp. strongly $...

Background: One of the important components reproductive Health that can has some effects on physical and psychological aspects of couple's life is Infertility. Infertile women are concerned about their sexual and physical health, it is even possible, and use and evaluation of assisted reproductive techniques have negative effects on women feelings about the sexual value and marital relati...

Among lifestyle habits, the effect of exercise on skin moisturizing function has not been studied. Therefore, we aimed to clarify regular function. The participants were 30-64 years old with no history diseases and habits at start study. intervention group (n=9) continued least 600 Mets/week for 8 weeks, while control (n=28) followed conventional weeks. Questionnaires regarding administered beg...