نتایج جستجو برای: compartmental modeling
تعداد نتایج: 392644 فیلتر نتایج به سال:
One the one hand, capillary permeability to water is a well-defined concept in microvascular physiology, and linearly relates the net convective or diffusive mass fluxes (by unit area) to the differences in pressure or concentration, respectively, that drive them through the vessel wall. On the other hand, the permeability coefficient is a central parameter introduced when modeling diffusible t...
This article presents a modified version of the SVIR compartmental model for predicting evolution COVID-19 pandemic, which incorporates vaccination and saturated incidence rate, as well piece-wise time-dependent parameters that enable self-regulation based on epidemic trend. We have established positivity ODE explored its local stability. Artificial neural networks are used to estimate paramete...
We consider a system of differential equations the behavior of which solutions possesses several properties characteristic of the blood pressure distribution. The system can be used for a compartmental modeling [8, 15] of the cardiovascular system. It admits a unique bounded solution such that all coordinates of the solution are separated from zero by positive numbers, and which is periodic, ev...
CONTEXT Familial hypobetalipoproteinemia (FHBL) is a codominant disorder of lipoprotein metabolism characterized by decreased plasma concentrations of low-density lipoprotein (LDL)-cholesterol and apolipoprotein B (apoB). OBJECTIVE The objective was to examine the effect of heterozygous APOB L343V FHBL on postprandial triglyceride-rich lipoprotein (TRL) and fasting lipoprotein metabolism. M...
This paper presents the results of a computational study that compares simulated compartmental (differential equation) and Volterra models of the dynamic effects of insulin on blood glucose concentration in humans. In the second modeling approach, we employ the general class of Volterra-type models that are estimated from input-output data, and in the first approach we employ the widely accepte...
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