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The generalised chemical structure of polyisocyanurate showing the isocyanurate group. The polyols are abbreviated as R-groups.. Polyisocyanurate (/ ˌ p ɒ l ɪ ˌ aɪ s oʊ s aɪ ˈ æ nj ʊər eɪ t /), also referred to as PIR, polyol, or ISO, is a thermoset plastic [1] typically produced as a foam and used as rigid thermal insulation.
The software supports hundreds of file formats, with a focus on allowing users to understand and analyze data in a way which would not be possible without reverse engineering. This is exemplified by the software's support for many proprietary file formats (including, more recently, animation data from the video game Final Fantasy XV ), in ...
A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...
Running on a compatible operating system, it does not need a suitable extractor in the target computer to extract the data. [citation needed] The executable part of the file is known as a decompressor stub. Self-extracting files are used to share compressed files with a party that may not have the software needed to decompress a regular archive.
For the Boeing 777, the 84,000–98,000 lbf (370–440 kN), 112 in (2.8 m)-fan version development began in October 1990, achieved 100,000 lbf (440 kN) in May 1993, and was approved for 180min ETOPS at service entry in June 1995.The 777 launch engine, it entered service on 7 June 1995, with United Airlines. The 90,000 lbf (400 kN) PW4090 ...
The Engines of Pratt & Whitney: A Technical History. Reston. Virginia: American Institute of Aeronautics and Astronautics. ISBN 978-1-60086-711-8. Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. p. 9. ISBN 0-7509-4479-X.
The Pratt & Whitney F119, company designation PW5000, is an afterburning turbofan engine developed by Pratt & Whitney for the Advanced Tactical Fighter (ATF) program, which resulted in the Lockheed Martin F-22 Raptor.
The Honeywell/ITEC F124 is a low-bypass turbofan engine derived from the civilian Honeywell TFE731.The F125 is an afterburning version of the engine. The engine began development in the late 1970s for the Republic of China (Taiwan) Air Force AIDC F-CK Indigenous Defence Fighter (IDF), and it first ran in 1979.