supercritical flow
91Nuclear reactor — Core of CROCUS, a small nuclear reactor used for research at the EPFL in Switzerland This article is a subarticle of Nuclear power. A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Most commonly they are… …
92Agua sobrecalentada — La expresión agua sobrecalentada se refiere al agua cuya temperatura está comprendida entre el punto de ebullición (100 °C) y la temperatura crítica (374° C) y que se mantiene líquida por efecto de la presión. También se conoce como agua… …
93Fermionic condensate — A fermionic condensate is a superfluid phase formed by fermionic particles at low temperatures. It is closely related to the Bose–Einstein condensate, a superfluid phase formed by bosonic atoms under similar conditions. Unlike the Bose–Einstein… …
94Pressure-fed cycle (rocket) — The pressure fed cycle is a class of rocket engine designs. A separate gas supply, usually helium, pressurizes the propellant tanks to force fuel and oxidizer to the combustion chamber. To maintain adequate flow, the tank pressures must exceed… …
95Hot dry rock geothermal energy — (HDR) is a type of geothermal power production that uses the very high temperatures (approx 200 Celsius) that can be found in rocks a few kilometers below ground. Electricity is generated by pumping high pressure water down a borehole (injection… …
96Navajo Generating Station — Navajo Generating Station …
97POGGI — ITALY (see also List of Individuals) 8.11.1919 Ferrara/I 9.7.2005 Bologna/I Bruno Poggi graduated as a civil engineer from the University of Bologna and there was appointed assistant professor in 1945. He was awarded in 1958 a professorship of… …
98GRIB — RUSSIA (see also List of Individuals) 17.9.1912/RU 6.11.1978 Leningrad/RU Anatoly Andreevich Grib graduated in 1934 from the Saint Petersburg State University. He then moved to the Tomsk State University where he presented his PhD thesis in the… …
99Asphalt — Note: The terms bitumen and asphalt are mostly interchangeable, except where asphalt is used as an abbreviation for asphalt concrete For other uses, see Asphalt (disambiguation). Natural bitumen from the Dead sea …
100Gel — For other uses, see Gel (disambiguation). An upturned vial of hair gel A gel (from the lat. gelu freezing, cold, ice or gelatus frozen, immobile) is a solid, jelly like material that can have properties ranging from soft and weak to hard and… …
