in this thesis, we exploit a simple and suitable method for immobilization of copper(ii) complex of 4?-phenyl-terpyridine on activated multi-walled carbon nanotubes [amwcnts-o-cu(ii)-phtpy]. this nanostructure was characterized by various physico-chemical techniques. to ensure the efficiency and fidelity of copper species, the implementation of three-component strategies in click-chemistry all...

This study aimed to determine the structural relationships between attachment styles and internet addiction, regarding meditating the role of self-esteem. This study was descriptive-correlational. Participants were 300 undergraduate students of Tabriz University in 2018-19, selected by multistage cluster sampling. The instruments were the internet Addiction Questionnaire (Yang, 1998), Adults At...

Background and purpose: Nowadays, more attention is paid to emotional intelligence as an important factor influencing different aspects of human's life such as education, occupation and social environment. Self-esteem as one of the characteristics of normal person can change the level of emotional intelligence. Due to the important role of self-esteem and emotional intelligence, this research h...

the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...

seismic retrofit strategies have been developed in the past few decades following the introduction of new seismic provisions and the availability of advanced materials and methods. it can be observed that new approaches to deal with more lateral forces are more innovative and more energy absorbent. in line with this, there is a growing trend toward the use of steel shear walls as a system with ...

this study investigated the effects of planning on second-language written production with regard to task type. the participants were 75 iranian learners of english as a foreign language attending a private foreign language institution. they were asked to complete two different types of writing tasks (expository writing task and argumentative writing task) in different planned conditions (indiv...

This study aims to evaluate the effect of spiritual well-being, self-esteem and happiness the students of teacher-training university of Gorgan s to fulfill this important research methods "descriptive" of the correlation is used. Happiness and self-esteem are always one of the most important issues of the University of Cultural Sciences. Therefore, the purpose of this study was to investigate...

apart from other aspects, desert is a natural environment and is one of the appealing terrestrial elements. putting its symbolic and fictional senses aside, the term “desert” bears mystic sense more than material sense. in addition to the worlds materialistic experiences, desert has attracted the attention of writers because it creates a kind of inner experience, which returns the individual in...