water-cooled tube
121Helikon vortex separation process — The Helikon vortex separation process is an aerodynamic uranium enrichment process designed around a device called a vortex tube. This method was designed and used in South Africa for producing reactor fuel with a uranium 235 content of around… …
122Scooter (motorcycle) — The Vespa was the first globally popular scooter. A scooter is a motorcycle with step through frame and a platform for the operator s feet. Elements of scooter design have been present in some of the earliest motorcycles, and motorcycles… …
123nutrition, human — Introduction process by which substances in food are transformed into body tissues and provide energy for the full range of physical and mental activities that make up human life. The study of human nutrition is interdisciplinary in… …
124Carbon microphone — The carbon microphone, also known as a carbon button microphone (or sometimes just a button microphone) or a carbon transmitter, is a sound to electrical signal transducer consisting of two metal plates separated by granules of carbon. One plate… …
125Kawasaki KLR650 — Infobox Motorcycle | name=Kawasaki KLR650 caption= manufacturer=Kawasaki country=Japan production=1987 current length=2165mm width=? height=? weight=176kg claimed, 402lbs fully loaded actual suspension=Telescoping fork, Uni Trak swingarm… …
1269K31 Strela-1 — Infobox Weapon name= 9K31 Strela 1 (NATO reporting name: SA 9 Gaskin) caption= 9K31 transporter erector launcher origin= flagcountry|Soviet Union type= Vehicle mounted SAM system is ranged= is bladed= is explosive= is artillery= is vehicle=yes is …
127Tuyere — A tuyere is a tube, nozzle or pipe through which air is blown into a furnace or hearth. [W. K. V. Gale, The iron and Steel industry: a dictionary of terms (David and Charles, Newton Abbot 1972), 216 7. ] Air (or oxygen) is injected into a hearth… …
128Arc converter — The arc converter, sometimes called the arc transmitter or Poulsen arc after its inventor Valdemar Poulsen, is a device used to convert DC energy into RF energy. It is now on the list of IEEE Milestones as a historic achievement in electrical… …
