Golestān Palace is the remnant of the historic citadel of Tehran, which dates back to the Safavid period, and the Zandiyeh and Fatḥ-Ali Shah Qajar. But because of extensive repairs by Nasser al-Din Shah in 1905, most of the buildings in this complex are regarded to be from the Nasseri era. Golestān Palace was the residence of the Qajar kings and the country’s administrative heart whose architec...

طیف سنجی رامان ارتقا یافته سطحی (sers) یک روش طیف سنجی رامان است? که سیگنال رامان ارتقا? یافته بزرگی را برای مولکول های هدفی که بر روی سطوح فلزی معین جذب سطحی شده?اند، به دست می?دهد. در این پژوهش ابتدا دو زیرلایه مختلف sers ساخته و مشخصه?یابی شدند. زیرلایه های ساخته شده عبارتند از: 1) نانو ذرات نقره کلوئیدی ساخته شده به روش لی و میسل، 2) نانو ذرات نقره کلوئیدی ساخته شده به روش کریتون اصلاح ...

This study examines the concept and educational approaches and the relationshipbetween the mode and the hierarchy of education in each of the Safavid and Qajar periodsand the physical structure and structure of the schools, the role of each of these factors,including the styles, disciplines and conditions governing the educational system in theschool physical changes of different periods. In fa...

In the many definitions that are accompanied with nursing, in addition to the scientific aspect, art has always been mentioned. Since Florence Nightingale introduced nursing as an art, several theorists have emphasized the aesthetic aspect of nursing in their literature. However, many experts believe that the word "art" has been accepted in nursing without deep thought and criticism.To judge th...