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...

sange siyah dam is located two kilometers down the kabod khani village. the environ of ghorrve city in kurdestan province. this is an clay core dam. in this dam instrumentation is performed in three section and consist of electrical piezometers, total pressure cells, settlement cells and so on. the main objective of instrumentation is to control the behavior of dam body and foundation, end else...

 This study surveys existing and desirable condition for achieving common ideals from viewpoint of Isfahan’s education experts and managers. This is descriptive survey. Statistical population is all managers, deputies, and experts of Isfahan Education offices. Statistical population is 1539 persons. Seven districts including district 2, district 3, district 4, Jey Area, Najafabad, Shahreza, and...

The aim of present research was to identify applied requirements of Massive Open Online Course (MOOC) in Payam Noor University from a pedagogical perspective. In this research, qualitative research method and qualitative content analysis approach were used to analyze data. The components used were identified based on the review of documents and semi-structured interview tools. In order to revie...

This study aimed to Designing social media sports marketing model. This qualitative study was conducted by using grounded theory methodology Strauss and Corbin approach. For gathering data, high level documents have been studied and Semi-structured In-depth Individual Interview experts who were aware of the subject. The statistical population of the study consisted professors & sports managers ...

abstract although music possesses some kind of power and using it has been welcome by many students in language classrooms, it seems that they take a non-serious image of the lesson while listening to songs and they may think that it is a matter of fun. the main objective of the present study was to investigate whether learning a foreign language through musical texts (songs) can have an impac...

The purpose of this article is to compile ethical codes governing the behavior of employees of organizations in charge of poverty control in the light of the Amir al-Momenin. The qualitative approach of theme analysis has been done by compiling the initial codes by studying Nahj al-Balaghah and the biography of Amir al-Momenin; After confirmation by experts, the final codes were analyzed with” ...