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Terms for subject Environment containing composition | all forms | exact matches only
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atmospheric composition The chemical abundance in the earth's atmosphere of its constituents including nitrogen, oxygen, argon, carbon dioxide, water vapour, ozone, neon, helium, krypton, methane, hydrogen and nitrous oxideσύσταση της ατμόσφαιρας
chemical composition The nature and proportions of the elements comprising a chemical compoundχημική σύσταση
chemical compositionχημική σύνθεση/χημική σύσταση
chemical composition The nature and proportions of the elements comprising a chemical compoundχημική σύνθεση
colour composition A remote-sensing term referring to the process of assigning different colours to different spectral bands. The colour picture formed by this process is called a "colour composite" (a colour image produced through optical combination of multiband images by projection through filters) and is produced by assigning a colour to an image of the Earth's surface recorded in a particular waveband. For a Landsat colour composite, the green waveband is coloured blue, the red waveband is coloured green and the infrared waveband is coloured red. This produces an image closely approximating a false colour photograph. Colour composite images are easier to interpret than separate images recording different wavebands. US national experimental crop inventories are based upon visual interpretation of Landsat colour compositesχρωματική σύνθεση
composition of population The constituent groupings and proportions of the total inhabitants of a given nation, area, region or city, as seen from various perspectivesσύνθεση του πληθυσμού
composition of populationσύνθεση του πληθυσμού
fuel compositionσύνθεση καυσίμου
isomeric compositionσύνθεση των ισομερών
waste compositionσύνθεση των αποβλήτων
waste composition The component material types, by percentage or weight, emanating from any sourceσύνθεση των αποβλήτων