# equation

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## equation

a means of portraying arithmetically the relationship between VARIABLES. For example, the equation: C = 1,000 + 0.9Y suggests a particular relationship between consumer expenditure (C) and disposable income (Y), which would be true for certain values of C and Y (such as 10,000 and 10,000 respectively) but not true of other values of C and Y (such as 6,000 and 10,000 respectively). Equations are generally written with a two-bar equals sign (=), with the value to the left of the sign being equal to the value to the right of the sign. The validity of an equation can be tested statistically by collecting paired observations of the variables involved and testing whether or not these observations conform with the equation formulated. See IDENTITY.
References in periodicals archive ?
A] must be determined as a reference point at a predefined knock rate limit and the Arrhenius equation has to be transferred to the combustion process of the engine and its temperature and pressure history.
The temperature-dependent ionic conductivity for a solid or nanocomposite polymer electrolyte below the glass transition temperature is usually interpreted in terms of Arrhenius equation without any insight into the fundamental mechanisms governing ion transport.
In particular, Ea values were obtained through the Arrhenius equation and were calculated to be 117.
Bacterial degradation was analyzed through the Arrhenius equation as reported by Sorokulova et al.
The temperature dependence was modeled by the Arrhenius equation, a formula used to determine the rate of a chemical reaction.
Diehr, in which the Arrhenius equation -- an otherwise unpatentable mathematical formula -- could be applied in an improved method for curing rubber that satisfies Section 101 requirements.
The apparent activation energy of adsorption was calculated from the pseudo second order rate constant obtained at different temperatures using the following (6) Arrhenius equation [25]
Diehr, 450 US 175 (1981), holding that application of the Arrhenius equation to a process of the determination of optimum curing of rubber as patent eligible under 35 USC 101.
Its exact effect can be determined mathematically; one possible method is by using Arrhenius equation, which relates how increased temperature accelerates the age of a product compared to its normal operating temperature [2]

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