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This work develops and analyzes a novel fractional-order chemostat system (FOCS) with a Caputo fractional derivative (CFD) featuring a sliding memory window and periodic boundary conditions (PBCs), designed to model microbial pollutant…

最优化与控制 · 数学 2025-06-24 Kareem T. Elgindy

We present an experimental technique for determining the pH and the total carbon concentration when \ch{CO2} diffuses and flows in water. The technique employs three different pH indicators, which, when combined with an image analysis…

流体动力学 · 物理学 2024-05-10 Hilmar Yngvi Birggison , Yao Xu , Marcel Moura , Eirik Grude Flekkøy , Knut Jørgen Måløy

The dynamic mode decomposition (DMD) is a data-driven approach that extracts the dominant features from spatiotemporal data. In this work, we introduce sparse-mode DMD, a new variant of the optimized DMD framework that specifically…

机器学习 · 统计学 2025-07-29 Sara M. Ichinaga , Steven L. Brunton , Aleksandr Y. Aravkin , J. Nathan Kutz

The chemotaxis pathway of the bacterium Rhodobacter sphaeroides has many similarities to the well-studied pathway in Escherichia coli. It exhibits robust adaptation and has several homologues of the latter's chemotaxis proteins. Recent…

分子网络 · 定量生物学 2012-04-10 Abdullah Hamadeh , Brian Ingalls , Eduardo Sontag

Carbon capture and storage (CCS) plays a crucial role in mitigating greenhouse gas emissions, particularly from industrial outputs. Using seismic monitoring can aid in an accurate and robust monitoring system to ensure the effectiveness of…

地球物理 · 物理学 2025-04-01 Xinquan Huang , Fu Wang , Tariq Alkhalifah

The intermittency of solar and wind power can be addressed by integrating them with Solid Oxide Cells (SOCs). This study delves into the transient characteristics of SOCs and their dependence on dynamic heat and mass transfer processes.…

流体动力学 · 物理学 2024-05-31 Zhaojian Liang , Jingyi Wang , Liang An , Yang Wang , Meng Ni , Mengying Li

The impact of a management intervention on the soil organic carbon (SOC) stored in a given volume of soil is moderated by features that determine that soil's sequestration potential under that intervention. To maximize total SOC…

应用统计 · 统计学 2026-04-23 Jacob Spertus , Eric Slessarev , Whendee Silver , Philip Stark

Soil organic carbon (SOC) is a key indicator of soil health, fertility, and carbon sequestration, making it essential for sustainable land management and climate change mitigation. However, large-scale SOC monitoring remains challenging due…

Using a coarse molecular-dynamics (CMD) approach with an appropriate choice of coarse variable (order parameter), we map the underlying effective free-energy landscape for the melting of a crystalline solid. Implementation of this approach…

材料科学 · 物理学 2009-11-11 Miguel A. Amat , Ioannis G. Kevrekidis , Dimitrios Maroudas

Time periodic patterns in a semiconductor superlattice, relevant to microwave generation, are obtained upon numerical integration of a known set of drift-diffusion equations. The associated spatio-temporal transport mechanisms are uncovered…

材料科学 · 物理学 2021-10-01 F. Terragni , L. L. Bonilla , J. M. Vega

Accurate prediction of battery state of charge is needed for autonomous robots to plan movements without using up all available power. This work develops a physics and data-informed model from a simulation that predicts SOC depletion as a…

机器人学 · 计算机科学 2026-03-03 Vidyut Pradeep , Shirantha Welikala

Particles that are catalytically-active and chemotactic can interact through the concentration fields upon which they act, which in turn may lead to wide-scale spatial self-organization. When these active particles interact through several…

软凝聚态物质 · 物理学 2023-10-12 Vincent Ouazan-Reboul , Ramin Golestanian , Jaime Agudo-Canalejo

We study the effects of fast spatial movement of molecules on the dynamics of chemical species in a spatially heterogeneous chemical reaction network using a compartment model. The reaction networks we consider are either single- or…

概率论 · 数学 2015-10-27 Peter Pfaffelhuber , Lea Popovic

A rigorous thermodynamic treatment of partially saturated soils is developed using a minimal number of assumptions. The derivation is carried out in a way that does not require to explicitly track the complex shapes of interfaces between…

软凝聚态物质 · 物理学 2022-12-20 Yimin Jiang , Itai Einav , Mario Liu

There is growing recognition in both the experimental and modelling literature of the importance of spatial structure to the dynamics of viral infections in tissues. Aided by the evolution of computing power and motivated by recent…

定量方法 · 定量生物学 2025-07-08 Thomas Williams , James M. McCaw , James M. Osborne

A spatial co-location pattern represents a subset of spatial features whose instances are prevalently located together in a geographic space. Although many algorithms of mining spatial co-location pattern have been proposed, there are still…

数据库 · 计算机科学 2020-04-23 Xin Hu , Guoyin Wang , Jiangli Duan

The current availability of soil moisture data over large areas comes from satellite remote sensing technologies (i.e., radar-based systems), but these data have coarse resolution and often exhibit large spatial information gaps. Where data…

机器学习 · 计算机科学 2019-05-22 Danny Rorabaugh , Mario Guevara , Ricardo Llamas , Joy Kitson , Rodrigo Vargas , Michela Taufer

Interactions between neighboring cells are essential for generating or refining patterns in a number of biological systems. We propose a discrete filtering approach to predict how networks of cells modulate spatially varying input signals…

组织与器官 · 定量生物学 2019-02-14 Melinda Liu Perkins , Murat Arcak

We propose a model to study the spatiotemporal dynamics of biocrust and vegetation cover on sand dunes. The model consists of two coupled partial nonlinear differential equations and includes diffusion and advection terms for modeling the…

斑图形成与孤子 · 物理学 2022-05-18 Hezi Yizhaq , Yosef Ashkenazy

Accurate predictions and representations of plant growth patterns in simulated and controlled environments are important for addressing various challenges in plant phenomics research. This review explores various works on state-of-the-art…

定量方法 · 定量生物学 2025-07-17 Mohamed Debbagh , Shangpeng Sun , Mark Lefsrud