In , NASA Dryden Flight Research Center, Edwards, Calif., obtained a civil version of the General Atomics MQ-9 unmanned aircraft system and modifie ...
National Aeronautics and Space Administration [center]This handbook is intended to provide general guidance and information on systems engineering t ...
Low-Cost Innovation in the U.S. Space Program ∞. Astronautics—United States—Cost control. ≤. Outer space— Exploration—Cost control. ≥. United States ...
در حالت کلی موتور موشک وسیلهای با ساختار ساده میباشد که در آن مواد پیشرانه میسوزند و در نتیجهی فشار ناشی از گازهای خروجی که از محفظهای با شکل خاص ...
This easy accessible textbook provides an overview of solar to electric energy conversion, followed by a detailed look at one aspect, namely photovolt ...
Nanomagnetism is a rapidly expanding area of research which appears to be able to provide novel applications. Magnetic molecules are at the very botto ...
Quantum mesoscopic physics covers a whole class in interference effects related to the propagation of waves in complex and random media. These effects ...
