high pressure gas drive
31Defence Research and Development Organisation — Sanskrit: बलस्य मूलं विज्ञानम् Strength s Origin is in Science [1] Agency overvi …
32Underground nuclear testing — Preparation for an underground nuclear test at the Nevada Test Site in the 1990s. Nuclear weapons …
33Distributed generation — Distributed generation, also called on site generation, dispersed generation, embedded generation, decentralized generation, decentralized energy or distributed energy, generates electricity from many small energy sources. Local wind generator,… …
34Fluidized bed combustion — (FBC) is a combustion technology used in power plants. Fluidized beds suspend solid fuels on upward blowing jets of air during the combustion process. The result is a turbulent mixing of gas and solids. The tumbling action, much like a bubbling… …
35Gerotor — A gerotor is a positive displacement pumping unit. The name gerotor is derived from Generated Rotor . A gerotor unit consists of an inner and outer rotor. The inner rotor has N teeth, and the outer rotor has N+1 teeth. The inner rotor is located… …
36NASA Ames Research Center — (ARC) is a NASA facility located at Moffett Federal Airfield, which covers 43 acres at the borders of the cities of Mountain View and Sunnyvale in California. This research center is most commonly called NASA Ames. The current NASA Ames Center… …
37Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …
38Oscilloscope history — This article discusses the history and gradual development of the Oscilloscope. Contents 1 Hand drawn oscillograms 2 Automatic paper drawn oscillograph 3 Photographic oscillograph 4 …
39Semi-automatic rifle — US M1941 is a semi automatic rifle A semi automatic rifle is a type of rifle that fires a single bullet each time the trigger is pulled, automatically ejects the spent cartridge, chambers a fresh cartridge from its magazine, and is immediately… …
40Hellmuth Walter — (26 August 1900 in Wedel near Hamburg – 16 December 1980 in Upper Montclair, New Jersey) was a German engineer who pioneered research into rocket engines and gas turbines. His most noteworthy contributions were rocket motors for the Messerschmitt …
