همدان پیشینه ای کهن دارد که مدیون موقعیت طبیعی آن است؛ نخست دشت وسیعی که شهر در آن شکل گرفته، دوم کوه الوند که بر دامنه ی آن آرمیده است. این وضعیت جغرافیایی همدان را از دیرباز به یک مرکز زیستگاهی همیشگی مبدل کرده است. همدان در دوره ی اشکانی و ساسانی یک مرکز مهم اداری- بازرگانی بود. همدان در جنگ های فتوح توسط تازیان گشوده شد. این شهر در دور هی اسامی بر محور مسجد جامع و بازار گسترش یافت و مورد تو...

The present article is an analysis of the formation and evolution of the city of Songhor in Islamic times. This research is descriptive-analytical in terms of purpose and method. And to collect the required data and information, library-documentary studies and field visits (observation, testing and interviewing) were used. Among the archaeological evidence and historical documents examined in t...

The history of Islam in China began when the first ambassador of Islamic caliphate in 654 AD, gained the court of the Chinese emperor. After that Islam has been spread throughout there during a century. In this study, authors try to study about how architectural elements and spatial forms are effected from Islam or Buddhist-Chinese tradition. Then, at the first it must be clear that which symbo...

The inscription dedicated to permissible water in the Isfahan Grand Mosque is one of the valuable endowment letters of the Safavid period. The content of the above inscription refers to the name of Amir Aslan bin Rostam Sultan Laleh Afshar Arshlou, who during the reign of Shah Tahmasb I, by digging a river, brought the permissible water to the mosque and dedicated it to this building. This rese...

Mosques in the history of Islamic civilization are prominent and integral components of Islamic architecture and focal points in Muslim cities. The same is true about Iran that renders them as significant urban landmarks and important spatial linkage elements of the city. In order to find out the significance of Islamic philosophy in Architecture and urban planning, it suffices t...

power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...

Today's Islamic Iranian city must be an appropriate place to meet the diverse needs of citizens where relations between citizens together, and with the natural and artificial environment around them is set based on the values and Monotheism teachings of the religion of Islam. In fact, it seems that the ultimate goal of the Islamic Iranian city as a habitat is to pave the way of man towards the ...

hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...

126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...