chemical sedimentation
81Munition immergée — La notion de munition immergée désigne les situations où des munitions ont été perdues ou volontairement jetées dans les eaux marines, douces ou saumâtres, parfois continentales ou souterraines. Ce concept est directement ou indirectement lié aux …
82biosphere — biospheric /buy euh sfer ik/, adj. /buy euh sfear /, n. 1. the part of the earth s crust, waters, and atmosphere that supports life. 2. the ecosystem comprising the entire earth and the living organisms that inhabit it. [1895 1900; < G Biosphäre; …
83microbiology — microbiological /muy kroh buy euh loj i keuhl/, microbiologic, adj. microbiologically, adv. microbiologist, n. /muy kroh buy ol euh jee/, n. the branch of biology dealing with the structure, function, uses, and modes of existence of microscopic… …
84Chromatography — Pictured is a sophisticated gas chromatography system. This instrument records concentrations of acrylonitrile in the air at various points throughout the chemical laboratory. Chromatography (from Greek χρῶμα chroma color and γράφειν graphein to… …
85Pollution — For the Fransisco Battiato album, see Pollution (album). For the Goodies episode, see Pollution (The Goodies). Air pollution from World War II weapon production in Alabama, 1942 …
86Precipitation (chemistry) — This article is about the chemical phenomemon. For other uses, see Precipitation. Precipitate redirects here. For the album by Interpol, see Precipitate EP. Chemical Precipitation Precipitation is the formation of a solid in a solution or inside… …
87undersea exploration — Introduction the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments Included in the scope of undersea exploration are the physical and chemical… …
88equation — A statement expressing the equality of two things, usually with the use of mathematical or chemical symbols. [L. aequare, to make equal] alveolar gas e. the e. defining the steady state relation of the alveolar oxygen pressure to the barometric… …
89Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
90Azeotrope — Vapor liquid equilibrium of 2 propanol/water showing azeotropic behavior An azeotrope (  / …
