concentration ratio
11Ratio — This article is about the mathematical concept. For the Swedish institute, see Ratio Institute. For the academic journal, see Ratio (journal). For the philosophical concept, see Reason. For the legal concept, see Ratio decidendi. The ratio of… …
12ratio-imaging fluorescence microscopy — A method of measurement of intracellular pH or intracellular calcium levels, using a fluorescent probe molecule (see fura 2), in which the two different excitation wavelengths are used, and the emitted light levels compared. If emission at one… …
13concentration — 1. A preparation made by extracting a crude drug, precipitating from the solution, and drying. 2. Increasing the amount of solute in a given volume of solution by evaporation of the solvent. 3. The quantity of a substance per unit …
14Market concentration — In economics, market concentration is a function of the number of firms and their respective shares of the total production (alternatively, total capacity or total reserves) in a market. Alternative terms are Industry concentration and Seller… …
15Patronage concentration — is a term used in marketing. It is the share of an individual consumer s expenditures in an industry that is spent at one company. It is the amount that a person spends at one company divided by the amount that person spends at all companies in… …
16Mass concentration (chemistry) — In chemistry, the mass concentration ρi (or γi) is defined as the mass of a constituent mi divided by the volume of the mixture V:[1] Contents …
17Ventilation/perfusion ratio — In respiratory physiology, the ventilation/perfusion ratio (or V/Q ratio) is a measurement used to assess the efficiency and adequacy of the matching of two variables: [LoyolaMedEd|Medicine/pulmonar/physio/pf9.htm#q1] * V ventilation the air… …
18Molar concentration — In chemistry, the molar concentration, ci is defined as the amount of a constituent ni divided by the volume of the mixture V [1]: It is also called molarity, amount of substance concentration, amount concentration, substance concentration, or… …
19Extraction ratio — is a measure in renal physiology, primarily used to calculate renal plasma flow in order to evaluate renal function. It is the amount of compound entering the kidney that got excreted into the final urine. [… …
20Sharpe ratio — The Sharpe ratio or Sharpe index or Sharpe measure or reward to variability ratio is a measure of the excess return (or risk premium) per unit of deviation in an investment asset or a trading strategy, typically referred to as risk (and is a… …
