Observe
发表于 2025-3-30 09:46:48
Orientational Relaxation and Brownian Motionential. Einstein realized that on a sufficiently slow time scale the observed random displacements of the particle can be described by a generalized diffusion equation. The particle momentum can be ignored, since it changes on a much faster time scale. Its probability distribution rapidly becomes ne
HEPA-filter
发表于 2025-3-30 15:42:47
Viscosity and Diffusion of Concentrated Hard-Sphere-Like Colloidal Suspensionss are based on two relevant physical processes that take place on two widely separated time scales. At short times, τ. ∼ . ≪ τ., with the Brownian time τ. ∼ 1 ns and the Péclet time τ. ∼ 1 ms, the dominant process is the so-called cage-diffusion. The colloidal particles are locked up in cages and th
artifice
发表于 2025-3-30 18:04:16
Interacting Brownian Particlesis necessary to use a statistical description . The latter is considered a difficult task. However, practical applications should not be the only reason for such an interest. As has already been pointed out, many phenomena of interest for statistical physics which are unobservable in atomic sys
诱拐
发表于 2025-3-31 00:40:22
Spinodal Decomposition Kinetics: The Initial and Intermediate Stagesstem is quenched into an unstable or meta-stable state, density inhomogeneities will develop, which ultimately lead to complete phase separation, where two phases are in coexistence. The kinetics of the phase separation process can be described by analyzing equations of motion for the relevant order
思考才皱眉
发表于 2025-3-31 01:43:24
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olfction
发表于 2025-3-31 06:45:29
Multifractal Phase-Space Distributions for Stationary Nonequilibrium Systemsthe phase-space dimension. The rate of heat flowing through the system, divided by the Boltzmann constant and the kinetic temperature, is equal to the sum of the Lyapunov exponents. The reduction in dimensionality is determined from the spectrum of Lyapunov exponents. We show here that also many-bod
纺织品
发表于 2025-3-31 12:55:59
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liposuction
发表于 2025-3-31 16:54:06
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裙带关系
发表于 2025-3-31 20:23:12
Inelastic Collapsereme example of correlated collisions. Inelastic collapse is present in the ‘inelastic hard-sphere’ model of granular materials, where granular particles are modeled as identical spheres which interact only via instantaneous collisions. Unlike the classical hard-sphere fluid, collisions are inelasti
allergen
发表于 2025-4-1 01:31:07
Stationary States in Systems with Dissipative Interactionsonary states. The series of theoretical models described below is sufficiently simple to allow rigorous analytic analysis to be performed, but it contains at the same time some features relevant to the theory of granular flows. Thus, a description of coupling to a vibrating base via stochastic bound