bleaching-matter

  • 11colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …

    Universalium

  • 12photography, technology of — Introduction       equipment, techniques, and processes used in the production of photographs.  The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …

    Universalium

  • 13papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper.   paʹper·mak er n. * * * Introduction       formation of a matted or felted sheet, usually of cellulose fibres,… …

    Universalium

  • 14Resilience (ecology) — For other uses, see Resilience (disambiguation). Lake and Mulga ecosystems with alternative stable states[1] In ecology, resilience is the capacity of an ecosyst …

    Wikipedia

  • 15Marine biology — Only 29 percent of the world surface is land. The rest is ocean, home to the marine lifeforms. The oceans average four kilometers in depth and are fringed with coastlines that run for nearly 380,000 kilometres. Marine biology is the scientific… …

    Wikipedia

  • 16Dimmock v Secretary of State for Education and Skills — was a case heard in September–October 2007 in the High Court of Justice of England and Wales, concerning the permissibility of the government providing Al Gore s documentary An Inconvenient Truth to English state schools as a teaching aid. The… …

    Wikipedia

  • 17Marine habitats — Coral reefs provide marine habitats for tube sponges, which in turn become marine habitats for fishes Littoral zone …

    Wikipedia

  • 18Flour — For other uses, see Flour (disambiguation). A paper sack of wheat flour, with a metal measuring scoop. Flour is a powder which is made from grinding cereal grains, other seeds or roots (like Cassava). It is the main ingredient of bread, which is… …

    Wikipedia

  • 19Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …

    Universalium

  • 20Glasgow —    GLASGOW, a city, the seat of a university, and a sea port, having separate jurisdiction, locally in the Lower ward of the county of Lanark, and situated in longitude 4° 15 51 (W.), and latitude 55° 52 10 (N.), 23 miles (E. by S.) from Greenock …

    A Topographical dictionary of Scotland