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Traces of hydrogen

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  • Hydrogen peroxide — IUPAC name …   Wikipedia

  • Liquid hydrogen — (LH2 or LH2) is the liquid state of the element hydrogen. It is a common liquid rocket fuel for rocket applications. Hydrogen is found naturally in the molecular H2 form.To exist as a liquid, H2 must be pressurized and cooled to a very low… …   Wikipedia

  • petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

  • Atmosphere — An atmosphere (from Greek ατμός atmos , vapor + σφαίρα sphaira , sphere ) is a layer of gases that may surround a material body of sufficient mass, [ [http://www.ontariosciencecentre.ca/school/clc/visits/glossary.asp Ontario Science Centre… …   Wikipedia

  • Welteislehre — ( World Ice Theory ), also known as Glazial Kosmogonie ( Glacial Cosmogony ) is a notion first discovered by the Austrian Hans Hörbiger, a respected designer of steam engines whose invention of the Hörbiger valve made him a wealthy man. He did… …   Wikipedia

  • Lead paint — is paint containing lead, a heavy metal, that is used as pigment, with lead(II) chromate (PbCrO4, chrome yellow ) and lead(II) carbonate(PbCO3, white lead ) being the most common. Lead is also added to paint to speed drying, increase durability,… …   Wikipedia

  • Ganymede — /gan euh meed /, n. 1. Also, Ganymedes /gan euh mee deez/. Class. Myth. a Trojan youth who was abducted by Zeus and taken to Olympus, where he was made the cupbearer of the gods and became immortal. 2. Astron. the largest moon of the planet… …   Universalium

  • Jupiter — /jooh pi teuhr/, n. 1. Also called Jove. the supreme deity of the ancient Romans: the god of the heavens and of weather. Cf. Zeus. 2. Astron. the planet fifth in order from the sun, having an equatorial diameter of 88,729 mi. (142,796 km), a mean …   Universalium

  • Azeotrope — Vapor liquid equilibrium of 2 propanol/water showing azeotropic behavior An azeotrope (  / …   Wikipedia

  • Brazing — This article is about the metal joining process. For the cooking technique, see braising. Brazing practice Brazing is a metal joining process whereby a filler metal is heated above and distributed between two or more close fitting parts by… …   Wikipedia

  • ion-exchange reaction — ▪ chemical reaction Introduction       any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …   Universalium

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