exponential decay


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exponential decay

[‚ek·spə′n en·chəl di′kā]
(physics)
The decrease of some physical quantity according to the exponential law N (t)= N0 e -t, where τ is a constant called the decay time.
References in periodicals archive ?
Moreover, when we applied the one-phase exponential decay model--which served as the basis for many early models of discounting--to our data, we obtained fits that accounted for 98.
Variable Model type Days to first hatch Exponential decay Hatch duration Exponential decay Days to peak hatch Exponential decay Hatch quality Gaussian Hatch success Gaussian 50% mortality ([M.
The scientists used a modified exponential decay model to predict viscosity changes based on homogenization pressure and the number of homogenization steps.
The factors of exponential decay [theta] and Poisson event [xi] are going to be considered.
Some of these curves can be reduced to a linear regression by transformation, eg the exponential and negative exponential decay curves.
According to the exponential decay model, the concentration will jump immediately by an amount equal to [Q.
2] is zero, the above equation can be integrated to yield a simple exponential decay.
The fluorescence decay of the donor/acceptor latex was not single exponential, and even if we assumed that the early time deviation from single exponential decay was due to light scattering, the lifetime extracted from the tail of the decay was 43.
By measuring the ratio of radiocarbon (carbon-14) to the most common form of carbon (carbon-12) using accelerator mass spectrometry and comparing it with the ratio in the atmosphere we can calculate how much time has elapsed since death using a simple mathematical formula for exponential decay.
Rather, the one decay process has a single decay constant, leading to simple exponential decay.
Based on the model, we calculated the cross-reactivity as a function of BNP-32 concentration using a 1-phase exponential decay model.