deployable scissor type structures are composed of the so-called scissor-like elements (sles), which are connected to each other at an intermediate point through a pivotal connection and allow them to be folded into a compact bundle for storage or transport. several sles are connected to each other in order to form units with regular polygonal plan views. the sides and radii of the polygons are...

Introduction: Cohort studies are defined as studies that investigate the correlation between exposures and diseases. Meanwhile, studies that investigate the effect of different exposures on children are of high priority, especially those focused on neurodevelopment. This study aimed to introduce available surveys in Persian language suitable for cohort studies that could be used for assessing n...

Abstract: Background and Aim: Giant cell Granulomas (central and peripheral) are two fairly common lesions of the oral cavity with uncertain etiology and pathogenesis. As well, the reason for their different biologic behavior is not well understood yet. This study aimed to review the immunohistochemical profile of giant cell granuloma and its correlation with pathogenesis and biologic behavior....

this study investigates the strategies native english and persian speakers employ for expressing gratitude in different situations. the strategies of persian efl learners are also compared with english strategies in order to find the differences that may exist between these two languages. social status and size of imposition of the favor are social variables which are investigated in detail for...