Now showing items 1699-1718 of 2435

    • A Phase Model with Large Time Delayed Coupling 

      Al-Darabsah, Islam; Campbell, Sue Ann (Elsevier, 2020-10)
      We consider two identical oscillators with weak, time delayed coupling. We start with a general system of delay differential equations then reduce it to a phase model. With the assumption of large time delay, the resulting ...
    • Phase models and clustering in networks of oscillators with delayed coupling 

      Campbell, Sue Ann; Wang, Zhen (Elsevier, 2017-09-19)
      We consider a general model for a network of oscillators with time delayed coupling where the coupling matrix is circulant. We use the theory of weakly coupled oscillators to reduce the system of delay differential equations ...
    • Phase Relations, Reaction Sequences and Petrochronology 

      Yakymchuk, Chris; Clark, Chris; White, Richard W. (Mineralogical Society of America, 2017-02-01)
      Phase equilibria modelling has played a key role in enhancing our understanding of metamorphic processes. An important breakthrough in the last three decades has been the ability to construct phase diagrams by integrating ...
    • Phase-Locked Loop Stability Based on Stochastic Bounds 

      Baker, Robert J. A.; Leung, Bosco; Nielsen, Christopher (Springer, 2015-08-11)
      In this paper we study the stability of a phase-locked loop (PLL) in the presence of noise. We represent the noise as Brownian motion and model the circuit as a nonlinear stochastic differential equation, with the noise ...
    • The Philosophy of Behavioral Biology 

      Reydon, Thomas; Plaisance, Kathryn S. (Springer, 2012)
      This volume offers a broad overview of central issues in the philosophy of behavioral biology, addressing philosophical issues that arise from the most recent scientific findings in biological research on behavior. It thus ...
    • Phosphate toxicity and tumorigenesis 

      Brown, Ronald B.; Razzaque, Mohammed S. (Elsevier, 2018-04-01)
      In this article, we briefly summarized evidence that cellular phosphate burden from phosphate toxicity is a pathophysiological determinant of cancer cell growth. Tumor cells express more phosphate cotransporters and store ...
    • A phosphorus mass-balance model for the Lake St. Clair-Lake Erie system: How important is in-lake phosphorus loading? 

      Bocaniov, Serghei; Van Cappellen, Philippe (University of Waterloo, 2023-05-14)
      Management of eutrophication in lakes usually focuses on reducing external phosphorus (P) loads. However, several in-lake mechanisms can add significant amounts of new and recycled P to the water column, hence, contributing ...
    • Phosphorus retention and transformation in a dammed reservoir of the Thames River, Ontario: Impacts on phosphorus load and speciation 

      Kao, N.; Sorichetti, R.J.; Niederkorn, A.; Cappellen, P. Van; Parsons, C.T. (Elsevier, 2022-02)
      Extensive efforts are underway to reduce phosphorus (P) export from the Lake Erie watershed. On the Canadian side, the Thames River is the largest tributary source of P to Lake Erie’s western basin. However, the role of ...
    • Phosphorus retention in a bioretention cell: Insights from process-based modelling 

      Zhou, Bowen; Zhou, Bowen (University of Waterloo, 2023-02-23)
      Bioretention cells (BRCs) have emerged as one of the Green Infrastructure and low impact development (LID) practices to reduce peak discharge and nutrient export in urban areas. Despite growing implementation globally, ...
    • Phosphorus Retention in an Urban Stormwater Pond 

      Arvisais, Alina (University of Waterloo, 2021-04-07)
      Stormwater ponds are a critical piece of stormwater infrastructure which were originally developed to reduce local floods associated with the increased impervious surface area of urban environments. They are now increasingly ...
    • Photocatalytic Degradation of Microcystins by TiO2 Using UV-LED Controlled Periodic Illumination 

      Schneider, Olivia M.; Liang, Robert; Bragg, Leslie M.; Jaciw-Zurakowsky, Ivana; Fattahi, Azar; Rathod, Shasvat; Peng, Peng; Servos, Mark. R.; Zhou, Norman Y. (Multidisciplinary Digital Publishing Institute, 2019-02-14)
      Toxic microcystins (MCs) produced by freshwater cyanobacteria such as Microcystis aeruginosa are of concern because of their negative health and economic impacts globally. An advanced oxidation process using UV/TiO2 offers ...
    • Photocatalytic performances of ZnO nanoparticle film and vertically aligned nanorods in chamber-based microfluidic reactors: Reaction kinetics and flow effects 

      Zhao, Pei; Qin, Ning; Wen, John Z.; Ren, Carolyn L. (Elsevier BV, 2017-07-15)
      The nanoparticle seed layer (a film) and vertically aligned nanorods of zinc oxide (ZnO) with different lengths were fabricated within a novel chamber-based microfluidic (microchamber) reactor with a varying height of ...
    • Photosphere Tour Guide 

      Visneskie, Henry; Johnston, John; Parks, Jen (University of Waterloo, 2021-08-20)
      This document serves as a comprehensive guide for creating and implementing Virtual Reality (VR) into education at the post-secondary level, as well as recommendations for integrating course learning objectives in Virtual ...
    • Physician and Pharmacist Medication Decision-Making in the Time of Electronic Health Records: Mixed-Methods Study 

      Mercer, Kathryn; Burns, Catherine; Guirguis, Lisa; Chin, Jessie; Dogba, Maman Joyce; Dolovich, Lisa; Guénette, Line; Jenkins, Laurie; Légaré, France; McKinnon, Annette; McMurray, Josephine; Waked, Khrystine; Grindrod, Kelly (JMIR, 2018-07)
      Background: Primary care needs to be patient-centered, integrated, and interprofessional to help patients with complex needs manage the burden of medication-related problems. Considering the growing problem of polypharmacy, ...
    • Physics-Based Models, Sensitivity Analysis, and Optimization of Automotive Batteries 

      Banerjee, Joydeep; McPhee, John; Goossens, Paul; Dao, Thanh-Son (SAE International, 2014-04-01)
      The analysis of nickel metal hydride (Ni-MH) battery performance is very important for automotive researchers and manufacturers. The performance of a battery can be described as a direct consequence of various chemical and ...
    • Physiologically-based pharmacokinetic model for ciprofloxacin in children with complicated urinary tract infection 

      Balbas-Martinez, Violeta; Michelet, Robin; Edginton, Andrea N.; Meesters, Kevin; Troconiz, Iñaki; Vermeulen, An (Elsevier, 2019-02-01)
      In a recent multicenter population pharmacokinetic study of ciprofloxacin administered to children suffering from complicated urinary tract infection (cUTI), the apparent volume of distribution (V) and total plasma clearance ...
    • Picturing Leisure: Using Photovoice to Understand the Experience of Leisure and Dementia 

      Dupuis, Sherry L.; Genoe, Mary Rebecca (Nova Southeastern University: College of Arts, Humanities, and Social Sciences, 2013-03-18)
      Interviews and participant observation are commonly used to explore the experience of dementia, yet may not adequately capture perspectives of persons with dementia as communication changes. We used photovoice (i.e., using ...
    • The pie sharing problem: Unbiased sampling of N+1 summative weights 

      Mai, Juliane; Craig, James R.; Tolson, Bryan A. (Elsevier, 2022-02)
      A simple algorithm is provided for randomly sampling a set of N+1 weights such that their sum is constrained to be equal to one, analogous to randomly subdividing a pie into N+1 slices where the probability distribution ...
    • Piercing axis-parallel boxes 

      Chudnovsky, Maria; Spirkl, Sophie; Zerbib, Shira (The Electronic Journal of Combinatorics, 2018)
      Let F be a finite family of axis-parallel boxes in Rd such that F contains no k + 1 pairwise disjoint boxes. We prove that if F contains a subfamily M of k pairwise disjoint boxes with the property that for every F E F ...
    • Pirate Bri’s Grocery Adventure: Teaching Food Literacy through Shopping 

      Bomfim, Marcela C.C.; Wallace, James (ACM, 2018-04)
      Food Literacy (FL) is associated with the improvement of autonomy and confidence around food, healthier dietary intake, and chronic disease prevention. However, to date, behaviour change research at CHI has focused on ...

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