rate equation
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Rate equation — The rate law or rate equation for a chemical reaction is an equation that links the reaction rate with concentrations or pressures of reactants and constant parameters (normally rate coefficients and partial reaction orders).[1] To determine the… … Wikipedia
Rate-determining step — The rate determining step (RDS) is a chemistry term for the slowest step in a chemical reaction. The rate determining step is often compared to the neck of a funnel; the rate at which water flows through the funnel is determined by the width of… … Wikipedia
Equation du radar — Équation du radar Énergie retournée L équation du radar est un bilan des puissances sur le trajet aller retour d une onde émise par un radar. Celle ci dépend des caractéristiques du radar (antenne, circuits électroniques, guide d onde, pertes de… … Wikipédia en Français
equation — e‧qua‧tion [ɪˈkweɪʒn] noun [countable] a statement in mathematics, showing that two quantities are equal acˈcounting eˌquation one of the relationships between assets and liabilities used in accounting: • The accounting equation here is: assets… … Financial and business terms
Equation of exchange — In economics, the equation of exchange is the relation::Mcdot V = Pcdot Qwhere, for a given period,:M, is the total amount of money in circulation on average in an economy.:V, is the velocity of money, that is the average frequency with which a… … Wikipedia
Équation du radar — L’énergie retournée dépend de la puissance transmise, du gain de l antenne, de la longueur d onde utilisée, de la distance radar cible et de la surface équivalente radar de la cible (σ) L équation du radar est un bilan des puissances sur le… … Wikipédia en Français
Équation de Hammett — L équation de Hammett, en chimie organique, permet de relier les rendements ou les constantes d équilibre d un grand nombre de réactions impliquant des dérivés de l acide benzoïque avec la nature des meta ou para substituants. Cette équation… … Wikipédia en Français
Rate of return — In finance, rate of return (ROR), also known as return on investment (ROI), rate of profit or sometimes just return, is the ratio of money gained or lost (whether realized or unrealized) on an investment relative to the amount of money invested.… … Wikipedia
Equation of time — Time Time, n.; pl. {Times}. [OE. time, AS. t[=i]ma, akin to t[=i]d time, and to Icel. t[=i]mi, Dan. time an hour, Sw. timme. [root]58. See {Tide}, n.] 1. Duration, considered independently of any system of measurement or any employment of terms… … The Collaborative International Dictionary of English
equation of motion — an equation that enters into the calculation of the position of a point or of a body as a function of time * * * an equation describing the rate of change with time of the velocity of a body, a collection of particles, or a fluid. [1850 55] … Useful english dictionary
equation — 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… … Medical dictionary
