quasi-equilibrium

quasi-equilibrium

[¦kwä·zē ‚ē·kwə′lib·rē·əm]
(geology)
The state of balance or grade in a stream cross section, whereby conditions of approximate equilibrium tend to be established in a reach of the stream as soon as a rather smooth longitudinal profile has been established in that reach, even though downcutting may go on.
References in periodicals archive ?
This corresponds to a "quasi-equilibrium" occupation of Floquet bands at t = [t.sub.0] = 0: this is physically motivated by the fact that when the Floquet quasi-steady states are formed, their occupation is stationary in time, which does not mean that the time-dependent energies are statically occupied as in equilibrium, due to the intrinsic time-periodic dependence.
Within the time of transfer through the membrane the gas is in the thermodynamical quasi-equilibrium, wherefore we use the formula N = pV/(kT).
First, some basic properties of states of equilibrium or quasi-equilibrium in the private ownership economy will be presented.
We associate with a closed convex valued set-valued mapping C and a convex bifunction F the following well known quasi-equilibrium problem:
The next two sections will introduce the experimentally observed sorption phases and then the quasi-equilibrium values of PD obtained after the end of particular sorption phases.
In light of the low-order HSD model, this vortex initialization produces an initial inconsistency among [V.sub.m], [W.sub.m], and [B.sub.m], and the vortex intensity thus varies strongly before approaching the quasi-equilibrium stage.
This signal is connected to the phase detector, which detects the quasi-equilibrium state.
The first volume, Theoretical Background and Formulation, addresses scale separation, quasi-equilibrium, closure, and mass-flux convection parameterization, as well as atmospheric convection and tropical dynamics, while the second, Current Issues and New Theories, covers the actual behavior of convection parameterizations in the context of weather prediction and climate models, including operational implementations and model performance, scale separation, tailored verification approaches, the role and representation of cloud microphysics, alternative parameterization approaches like similarity theory and the subgrid-scale distribution density function, stochasticity, criticality, and symmetry constraints.
In this section, the main idea of constructing one dimension quasi-equilibrium grid algorithm is presented.
A three stage quasi-equilibrium model (considering pyrolysis, chargas reactions and gas phase reactions in each stage) for steam gasification of biomass was developed by Nguyen et al.
The disproportionation reactions are generally much faster than the other reactions, leading rapidly to a state of quasi-equilibrium with respect to the concentration of linear dextrins that will be cyclized by the enzyme.

Full browser ?