موضوعات
آموزش و پرورش
ادبیات و زبان
پزشکی، دندانپزشکی و داروسازی
تاریخ و جغرافیا
داستان و رمان
دیگر
دین و فلسفه
روانشناسی
ریاضیات و آمار
سلامتی، تناسب اندام و رژیم غذایی
شیمی و پلیمر
علوم اجتماعی و حقوق
علوم زیستی و بیوتکنولوژی
فیزیک و نجوم
کامپیوتر و اینترنت
کتابهای کودکان و داستان
کسب و کار و اقتصاد
کشاورزی و دامپزشکی و غذا
معماری
مهندسی و فناوری
هنر و تئاتر
محصولات
Anti-Arab Racism in the USA: Where it Comes From and What it Means for Politics - Original PDF
نویسندگان: خلاصه: Today is a difficult time to be both Arab and American. Since 9/11 there has been a lot of criticism of America's involvement in the middle east. Yet there has been little analysis of how America treats citizens of Arab or middle eastern origin within its own borders.
Su-25 Frogfoot in action - Original PDF
نویسندگان: خلاصه: The Sukhoi Su-25, a high maneuverable, heavily armed, ground attack aircraft, was one of the most potent weapons to come out of the Afghanistan war. It was not only the sheer volume of fire which could be delivered on a target that made the Su-25 so deadly, it was also the high degree of accuracy with which it could be delivered
Flight Dynamics Principles, Second Edition: A Linear Systems Approach to Aircraft Stability and Control (6th Edition) - Original PDF
نویسندگان: خلاصه: The study of flight dynamics requires a thorough understanding of the theory of the stability and control of aircraft, an appreciation of flight control systems and a comprehensive grounding in the theory of automatic control. Flight Dynamics provides all three in an accessible and student focussed text. Written for those coming to the subject for the first time the book is suitable as a complete first course text
Facts about flying wings. A primer on all-wing aircraft - PDF
نویسندگان: خلاصه: For many years airplane designers have realized that by reducing parasite drag. that drag caused by the shape or form of the aireraft, its performance could be greatly inereased. Early steps in this direction were the changes from biplane to monoplane designs, the elimination of external struts and wires, the incorporation of retractable landing gears, ete. In spite of all these advaneements, the average conventional airplane of today has two to four times the drag that would be necessary if all its functions could be incorporated within its wing alone.
The radar game: Understanding stealth and aircraft survivability - Original PDF
نویسندگان: خلاصه: Precision weapons and rapid targeting information mean little if aircraft are unable to survive engagements with enemy air defenses. In addition to costing the lives of pilots, high levels of attrition can ultimately affect the outcome of the theater campaign. One of the most critical factors in determining the success of an air operation is survivability. In the last several decades, the term survivability has been associated with analysis of how low observables and electronic countermeasures can help aircraft carry out their missions in hostile airspace. Discussions of survivability immediately bring to mind stealth aircraft, radar jamming and debates about the latest SA-10 threats. Yet the quest for survivability is not a fad of the Cold War or the high-technology 1990s. Its roots, and its importance to combined arms operations, go back to the first use of military aircraft in World War I.
F-22 Raptor: America's Next Lethal War Machine - Original PDF
نویسندگان: خلاصه: Книга F-22 Raptor: America's Next Lethal War Machine F-22 Raptor: America's Next Lethal War Machine Книги Вооружение Автор: Steve Pace Год издания: 1999 Формат: pdf Издат.:McGraw-Hill Страниц: 145 Размер: 6.96 ISBN: 0-07-134271-0 Язык: Английский0 (голосов: 0) Оценка:The Lockheed Martin F-22 Raptor, about to be launched as America's premier Air Dominance Fighter, will replace the vaunted F-15C Eagle as the world's foremost fighter aircraft.Once operational
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