in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...

today, persian poetry is of great importance to many scholars around the world. the interest and attention of various cultures toward such a fine literature has given quite a good motivation for a comparative study. the major concern of the study is to investigate how nature is depicted through the works of the great english poet, william wordsworth (1770-1850) and the outstanding contemporary ...

abstract due to the growing importance and influence of the self of the teacher in the field of educational and cognitive psychology, the current study intended to investigate the relationship between three teacher qualities and characteristics, i.e. teacher self efficacy, self regulation, and success as perceived by their learners. the study aimed at finding whether teacher self efficacy an...

Objectives: The purpose of this study was to investigate the effects of stress, depression and anxiety (mental health) by neuroticism and meaning of life. Method: For this purpose, 150 male and female students (60 male, 90 female) from Tehran University were selected using available sampling method. The questionnaire was a questionnaire for Depression, anxiety, stress (DASS), Eysenck's neuroti...

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...

Introduction and purpose: In the process of development, retirement is a stage of beginning for important potential changes in life and this stage effect on quality life of the retirements. So, present study with the aim of investigating prediction of quality of life through locus of control, meaning of life and marital relationships was performed on retirements of Nahanavand of Iran. Materi...

Introduction: Teaching models are conceptual frameworks rooted in philosophical and psychological foundations and are designed to facilitate  the learning-teaching process. These are experimental strategies that help teachers to their tasks in planning, implementation, and evaluation stages of  teaching, and are therefore the most important tool for advancing educational goals of educational sy...