يعد موضوع إمارة الحج من الموضوعات المهمة في التاريخ الإسلامي، فهو يتعلق بأحد أركان الإسلام، ومسؤولية إقامة الحج وإمارته كبيرة، ومن الأسباب التي كانت وراء اختيار عنوان هذا البحث " إمارة الحج في عهد الخليفة أبي العباس السفاح"، أن الموضوع يقع ضمن دائرة اهتمامنا في متابعة إمارة الحج في الدولة العربية الإسلامية، لاسيما إننا بحثنا الموضوع ذاته في دراسات سابقة . وقد تناولنا إمارة الحج حتى نهاية الدولة الأموية

يعد كتاب(الفهرست) لإبن النديم أول كتاب جامع في القرن الرابع الهجري ،حصر الكتب و المؤلفات العربية و رصدها في مجالات العلم و المعرفة و الثقافة و الفن ،و اللغة والأدب و الشعر بما يكشف عن النشاط الفكري ، و الحياة العقلية و العلمية للعصر .

It is known that the distinguished scholar and writers in any kind of science leave an important impact on those who come after them, so they are an indispensable source in that science that draws from them who is later in time than them, and this is what we have seen in this research; The scholar Muhammad bin Shuraih al-Ra’ini (d.476 AH) and his book          (Al-Kafi in the Seven Readings) were admired by everyone who wrote about the readings after him. The great scholars of the readings, such as Ibn al-Bathish (d. 540 AH), Ibn al-Jazari (d. 833 AH), and Ibn al-Banna’ did not dispense with him. (d.1117 AH) in terms of reading, isnad, and the way of narration, their books were full of men

The book Tabaqat al-Faqih by Abu Ishaq al-Shirazi (d. 174 AH / 4801 CE) is considered one of the important sources and dates back to the fifth century AH

الخلاصة Bahraini Parliamentary Elections and their Impact on the Popular Uprising) Bahrain has a distinguished constitutional and parliamentary experience, which distinct it from the other Gulf Cooperation Council (GCC) countries. Its experience in this area is the second after the experience of Kuwait to establish a system of government based on modern constitutional principles. As the government presented the Constitution to the Constituent Assembly elected by people and approved in 09/06/1973. After that, it witnessed the birth of the first parliament elected by the people in 1973, but the experiment did not last long and the parliament dissolved by Prince, and didn’t determine the period of the return of the working with the

Abstract:-

            The approach maintenance and replacement one of techniques of operations research whom cares of the failure experienced by a lot of production lines which consist of a set of machines and equipment, which in turn exposed to the failure or work stoppages over the lifetime, which requires reducing the working time of these machines or equipment below what can or conuct  maintenance process once in a while or a replacement for one part of the machine or replace one of the machines in production lines. In this research is the study of the failure s that occur in some parts of one of the machines for the General Company for Vege

مستقبل الايديولوجيا واليوتوبيا في الفكر السياسي الغربي الحديث