Introduction: Designing e-learning systems based on the principles and prerequisites of teaching and learning theories requires a comprehensive and systematic approach to instructional design procedure. An experience of instructional design, implementation and evaluation of an e-learning system is represented in this study. Methods: In the present action research study, five steps of systemati...

the present research was conducted to accomplish two purposes. firstly, it aimed to explore and describe schematic structure or what halliday and hassan (1989, p.64) have called “generic structure potential” (gsp) of american english, iranian persian and iranian english newspaper editorials within systemic functional linguistics. secondly, a quantitative cross-comparison was made to investigate...

  Current growth of philosophical and educational theories and computer technology has provided new forms of education in the world. Modern world has features such as communication, non-congruence, and flexibility. Therefore, web and other multimedia technologies are just information and application resources unless could provide learning field and content. The purpose of this study is reconstr...

in the present work, a simple and sensitive method was developed for determination of morphine and heroin using gold nanoparticles as resonance rayleigh scattering (rrs) and colorimetric technique’s probe. synthesized gold nanoparticles by sodium citrate reduction method have a negative charge layer on their surfaces because of self-assembled citrate anions on their surface. binding of morphin...

abstract the current study sets out 1) to investigate the strategic needs of iranian efl learners in reading literary and non-literary texts; 2) to shed some light on the differences between reading literary and non-literary texts; and 3) to specify the differences in the interaction of participants with texts while reading two literary subgenres ( i.e., short story and literary essays). to ...

the application of e-learning systems - as one of the solutions to the issue of anywhere and anytime learning – is increasingly spreading in the area of education. content management - one of the most important parts of any e-learning system- is in the concern of tutors and teachers through which they can obtain means and paths to achieve the goals of the course and learning objectives. e-learn...

Designing a muslim man’s house should be the outcome of Islamic values and beliefs of its inhabitants. Islam is a comprehensive religion that can provide a set of basic principles as a guide and framework for housing design. According to the country's macro policies on the revival of Islamic Iranian architecture, it seems necessary to pay attention to the housing design principles of Islam and ...