نتایج جستجو برای: compartmental modeling

تعداد نتایج: 392644  

Journal: :Frontiers in Environmental Science 2022

Due to a lack of plausible kinetic modeling for contaminant attenuation, this study first proposed “bi-exponential disposition” model demonstrate the feasibility wide-ranging applications biotic and abiotic degradation pollutant(s). As consequence under-determined systems bisphenol A (BPA) via advanced oxidation processes (AOPs), previous asymptotic approximation singular perturbation modeling....

2007
B. R. Faulkner M. E. Campana

[1] A compartmental modeling approach is presented to route nitrate retention along a cascade of stream reach sections. A process transfer function is used for transient storage equations with first-order reaction terms to represent nitrate uptake in the free stream and denitrification in the storage regions. In the context of a short-term nitrate injection we define nitrate assimilative capaci...

Journal: :Complexity 2022

Compartmental epidemic models have been widely used for predicting the course of epidemics, from estimating basic reproduction number to guiding intervention policies. Studies commonly acknowledge these models' assumptions but less often justify their validity in specific context which they are being used. Our purpose is not argue alternatives or modifications compartmental models, rather show ...

Journal: :Quantitative imaging in medicine and surgery 2015
Julio Carballido-Gamio Serena Bonaretti Isra Saeed Roy Harnish Robert Recker Andrew J Burghardt Joyce H Keyak Tamara Harris Sundeep Khosla Thomas F Lang

BACKGROUND Quantitative computed tomography (QCT) imaging is the basis for multiple assessments of bone quality in the proximal femur, including volumetric bone mineral density (vBMD), tissue volume, estimation of bone strength using finite element modeling (FEM), cortical bone thickness, and computational-anatomy-based morphometry assessments. METHODS Here, we present an automatic framework ...

2016
Fabrice Delbary Sara Garbarino Valentina Vivaldi

Compartmental models based on tracer mass balance are extensively used in clinical and pre-clinical nuclear medicine in order to obtain quantitative information on tracer metabolism in the biological tissue. This paper is the first of a series of two that deal with the problem of tracer coefficient estimation via compartmental modeling in an inverse problem framework. Specifically, here we disc...

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