concentration ratio

  • 121POPULATION — Methodological Uncertainties Because of the great difficulties in ascertaining human population data in general, and Jewish data in particular, especially in ancient and medieval times, a word of caution is even more necessary here than in most… …

    Encyclopedia of Judaism

  • 122Nerve guidance conduit — A nerve guidance conduit (also referred to as an artificial nerve conduit or artificial nerve graft, as opposed to an autograft) is an artificial means of guiding axonal regrowth to facilitate nerve regeneration and is one of several clinical… …

    Wikipedia

  • 123Adenosine triphosphate — For the Japanese rock band, see Adenosine Tri Phosphate (band). Adenosine triphosphate …

    Wikipedia

  • 124acid–base reaction — ▪ chemistry Introduction       a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… …

    Universalium

  • 125Permian–Triassic extinction event — …

    Wikipedia

  • 126Kt/V — In medicine, Kt/V is a number used to quantify hemodialysis and peritoneal dialysis treatment adequacy. * K dialyzer clearance of urea * t dialysis time * V patient s total body water In the context of hemodialysis, Kt/V is a bonafide… …

    Wikipedia

  • 127Réchauffement climatique — Cet article concerne le réchauffement climatique. Pour les variations cycliques de l histoire du climat, voir changement climatique. Différence de température globale moyenne de …

    Wikipédia en Français

  • 128Battle of Kursk — Operation Citadel Part of the Eastern Front of World War II …

    Wikipedia