thermal mode
81Propulsion nucléaire thermique — La propulsion nucléaire thermique ou nucléo thermique est un mode de propulsion des fusées qui utilise un réacteur nucléaire pour chauffer un fluide propulsif. Celui ci, comme dans le cas d un moteur fusée classique, est expulsé via une tuyère… …
82Hawking radiation — is a thermal radiation with a black body spectrum predicted to be emitted by black holes due to quantum effects. It is named after the physicist Stephen Hawking, who provided a theoretical argument for its existence in 1974, and sometimes also… …
83Gas-liquid chromatography — Infobox chemical analysis name = Gas liquid chromatography caption =A gas chromatograph with a headspace sampler acronym = GLC, GC classification =chromatography analytes = organic inorganic must be volatile manufacturers = Agilent (a spin off of …
84Free neutron — Elementbox name=neutron number=0 symbol=n0 left= right=hydrogen above= below=helium series=noble gas group=18 period=0 block= appearance=colourless atomic mass= [1] electron configuration=0s0 electrons per shell=0 phase=gas density gplstp=… …
85Fiber laser — A fiber laser or fibre laser is a laser in which the active gain medium is an optical fiber doped with rare earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, and thulium. They are related to doped fiber amplifiers,… …
86mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …
87coal utilization — Introduction combustion of coal or its conversion into useful solid, gaseous, and liquid products. By far the most important use of coal is in combustion, mainly to provide heat to the boilers of electric power plants. Metallurgical coke… …
88Mars Observer — Artist rendering of Mars Observer in orbit around Mars. Operator NASA / JPL …
89Fiber-optic communication — An optical fiber junction box. The yellow cables are single mode fibers; the orange and blue cables are multi mode fibers: 50/125 µm OM2 and 50/125 µm OM3 fibers respectively. Fiber optic communication is a method of transmitting information from …
90Amplificateur electronique — Amplificateur électronique Pour les articles homonymes, voir Amplificateur. Un amplificateur Hi Fi à tubes. Un amplificateur électronique (ou amplifica …
