abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...

the present dissertation aims to investigate four-word lexical bundles in applied linguistics research articles by iranian and internationally-published writers. the aims of this study are two-fold: first of all, attempts have been made to create a comprehensive list of the most commonly used four-word lexical bundles categorized by their type and token frequency, their structural characteristi...

abstract the following study, in the first place, attempted to examine the effect of less experienced teachers participation in experienced teachers classes on their own skills and teaching methodology, in the second place, attempted to find out the role of teachers training in students achievements. for this purpose, 21 efl teachers were selected according to available sampling in kish l...

in recent years, there has been a growing interest among researchers to investigate the relationship betweenteacher self-efficacy and classroom behavior management, especially students misbehavior. therefore, this study aimed to comparatively investigate english and arabic teachers’ use of different behavior managementstrategies, their self-efficacy, and their success in an iranian context. th...

Background and objectives: disasters lead to the experience of trauma in the children. On average, one in three children with trauma, one of them has symptoms of post-traumatic stress disorder. Therefore, planning and managing the transition from crisis to normal conditions during the temporary and emergency sheltering phase is important as a starting point for recovery. The present study deals...

A sense of belonging to a place means the experience and perception of a particular site that identifies a person's orientation towards a location with a sense of difference, orientation and spatial understanding. In this study, the sense of belonging to a place as one of the components of creating the quality of space in residential spaces is discussed. In pursuit of this goal, the purpose of ...

Investigating the Relationship between Different Functions of Urban Parks with Mental Health of the Elderly   Rostam Saberifar1 1. Associate Professor of Urban Planning, Department of Urban Planning, Faculty of Social Sciences, Payame Noor University, Tehran, Iran. Iran, Mashhad, Blvd. Moallem, Moallem 71,Email: [email protected]  , Tel: 009851386839000   Abstract: Background & Objectiv...

chapter one is devotod to collect some notion and background informations, which are needed in the next chapters. it also contains some important statements which will be proved in a more general context later in this thesis. in chapter two, we show that if the marginal factor-group is of order np1...pk,n>1, then we obtain a bound for the order of the verbal subgroup. also a bound for the bear-...

in this thesis, at first we investigate the bounded inverse theorem on fuzzy normed linear spaces and study the set of all compact operators on these spaces. then we introduce the notions of fuzzy boundedness and investigate a new norm operators and the relationship between continuity and boundedness. and, we show that the space of all fuzzy bounded operators is complete. finally, we define...