supercritical flow
81Regenerative cooling (rocket) — Regenerative cooling in rockets is where some or all of the propellant is passed through tubes, channels or otherwise in a jacket around the combustion chamber or nozzle to cool the engine because the fuel in particular and sometimes the oxidiser …
82Countercurrent chromatography — (CCC) or partition chromatography is a category of chromatography techniques;[1] laboratory techniques for the separation of mixtures, in this case liquid liquid mixtures. Contents 1 Chromatography 2 Techniques …
83CITRINI — ITALY (see also List of Individuals) 26.4.1913 Milano/I 6.1.2006 Milano/I Duilio Citrini graduated from Politecnico di Milano as a civil engineer and there also gained the PhD title in 1936. He was appointed in 1949 professor of hydraulics at… …
84Boron nitride — IUPAC name Boron nitride Identifiers …
85Nuclear thermal rocket — Sketch of nuclear thermal rocket …
86List of states of matter — This is a list of the different states of matter (including the more exotic). States of matter are generally distinguished by pressure and temperature conditions, transitioning to other phases as these conditions change to favor their existence;… …
87NACA airfoil — Profile geometry – 1: Zero lift line; 2: Leading edge; 3: Nose circle; 4: Camber; 5: Max. thickness; 6: Upper surface; 7: Trailing edge; 8: Camber mean line; 9: Lower surface …
88State of matter — A state of matter (or physical state, or form of matter) has physical properties which are qualitatively different from other states of matter.Traditionally, three states of matter were recognized: solid, which maintains a fixed volume and shape; …
89Polyethylene terephthalate — PETE redirects here. For the first name, see Peter (disambiguation). For other uses, see Pete (disambiguation). Polyethylene terephthalate fibre IUPAC name …
90Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… …
