high velocity duct
81Gaseous fission reactor — A gas nuclear reactor (or gas fueled reactor ) limits the only temperature limiting materials in a reactor to the reactor walls. A limitation for conventional nuclear fission reactors is that if the nuclear fuel temperature were to rise too high… …
82Aortic valve stenosis — Classification and external resources ICD 10 I35.0, I06.0, Q23.0 …
83Waveguide (acoustics) — This page is about waveguides for acoustics and sound, for other types of waveguide, see Waveguide An acoustic waveguide is a physical structure for guiding sound waves. Examples One example might be a speaking tube used aboard ships for… …
84Acoustic transmission lines — An acoustic transmission line is the acoustic analog of the electrical transmission line, typically thought of as a rigid walled tube that is long and thin relative to the wavelength of sound present in it. Pipe organs, woodwinds, and the like… …
85Mitsubishi A6M Zero — A6M Zero Mitsubishi A6M3 Zero Model 22 (NX712Z), used in the film Pearl Harbor Role Fighter …
86A6M Zero — Infobox Aircraft name =Mitsubishi A6M type =Fighter manufacturer =Mitsubishi caption =Japanese A6M5 Type 0 Model 52 designer = Jiro Horikoshi first flight =1 April avyear|1939 introduction =July avyear|1940 retired =avyear|1945 (Japan) status =… …
87Biosafety cabinet — A microbiologist performing influenza research within a biosafety cabinet Acronym BSC Other names Biological safety cabinet, microbiological safety cabinet Uses Bioc …
88Moto Guzzi — Type Unico Azionista (Wholly Owned Subsidiary) Industry Motorcycle Founded 1921 Founder(s) Carlo Guzzi (1889–1964) Giovan …
89Boiler — For the Limp Bizkit song, see Boiler (song). A portable boiler (preserved, Poland) …
90Air door — An air door or air curtain is a device used for separating two spaces from each other, usually at the exterior entrance. The most common configuration for air curtains is a downward facing blower fan mounted over an opening. Normally this opening …
