Browsing by Title
Now showing items 10769-10788 of 23262
-
[Pre-print] Harvesting fisheries management strategies with modified effort function
(Inderscience, 2008)In traditional harvesting model, a fishing effort, E, is defined by the fishing intensity and does not address the inverse effect of fish abundance on the fishing effort. In this paper, based on a canonical differential ... -
[Pre-print] Mackey-Glass model of respiratory dynamics: Review and new results
(Elsevier, 2012-11)Since the celebrated Mackey-Glass model of respiratory dynamics was introduced in 1977, many results on its qualitative behavior have been obtained, including oscillation, stability and chaos. The paper reviews some known ... -
[Pre-print] Mathematical model of marine protected areas
(Oxford University Press on behalf of the Institute of Mathematics and its Applications, 2011-04)We consider two regions with a fish population that is dispersing between the two areas, and fishing takes place only in region 2, with region 1 established as no-fishing zone. Marine protected areas (MPAs) have been ... -
[Pre-print] Membrane introduction mass spectrometry (MIMS): A versatile tool for direct, real-time chemical measurements
(John Wiley & Sons, Inc., 2014-12)Membrane introduction mass spectrometry (MIMS) is a direct, continuous, online measurement technique. It utilizes a membrane to semi-selectively transfer analyte mixtures from a sample to a mass spectrometer, rejecting ... -
[Pre-print] Modeling analyte permeation in cylindrical hollow fiber membrane introduction mass spectrometry
(Elsevier, 2008-11-15)The time-resolved signal generated from membrane introduction mass spectrometry (MIMS) has been modeled in cylindrical coordinates to analyze the data from MIMS experiments, in which a capillary hollow fiber selectively ... -
[Pre-print] New global exponential stability criteria for nonlinear delay differential systems with applications to BAM neural networks
(Elsevier, 2014-09-15)We consider a nonlinear non-autonomous system with time-varying delays (see abstract equation image) which has a large number of applications in the theory of artificial neural networks. Via the M-matrix method, easily ... -
[Pre-print] Paper spray mass spectrometry for the direct, semi-quantitative measurement of fentanyl and norfentanyl in complex matrices
(Elsevier, 2018)Background: Fentanyl is a potent, synthetic opioid at the centre of an international health crisis that has seen thousands of fatal overdoses. Most analytical methods focus on the detection of fentanyl in blood and/or ... -
[Pre-print] Periodic solutions of nonautonomous Mackey-type systems with delays
(Mathematical Research Publishers, 2013)Nonautonomous systems of delay differential equations, that model classical Mackey-type hematopoietic stem cell dynamics and Mackey-type circuit systems, are under study. Explicit sufficient and necessary conditions for ... -
[Pre-print] Polymer inclusion membranes with condensed phase membrane introduction mass spectrometry (CP-MIMS): Improved analytical response time and sensitivity
(American Chemical Society, 2017-05-16)Condensed phase membrane introduction mass spectrometry (CP-MIMS) is an online, in situ analysis technique for low volatility analytes. Analytes diffuse through a hollow fibre membrane, where they are then dissolved by ... -
[Pre-print] Sex- and context-specific associations between personality and a measure of fitness but no link with life history traits
(Elsevier, 2020-07-23)The pace-of-life syndrome hypothesis posits that personality traits (i.e. consistent individual differences in behaviour) are linked to life history and fitness. Specifically, fast-paced individuals are predicted to be ... -
[Pre-print] Smart growth and sustainable development: Challenges, solutions and policy directions
(Taylor & Francis Group, 2002)In this paper, we focus on the issues related to development densities that emerged from our study of sprawl and development issues in three regions of British Columbia, Canada. We chose to focus on this aspect of the ... -
[Pre-print] Smart Growth Canada Network develops innovative online courses for municipalities
(Municipal World Inc., 2006-11)Over the last couple of years, a new organization has emerged with direct relevance to municipal governments, their elected officials and employees. Smart Growth Canada Network (SGCN) was initially established in 2003 as ... -
[Pre-print] Spatial and temporal assessments of genetic structure in an endangered Garry oak ecosystem on Vancouver Island
(NRC Research Press, 2018-01-26)Garry oak (Quercus garryana Dougl. ex Hook.) is a deciduous tree whose ecosystem is listed “at-risk” throughout its range in British Columbia (B.C.), Canada, under the Canadian Species at Risk Act (SARA). Garry oak ... -
[Pre-print] Stability of a time-varying fishing model with delay
(Elsevier, 2008-05)We introduce a delay differential equation model which describes how fish are harvested (see Abstract Equation Image). In our previous studies we investigated the persistence of the equation and existence of a periodic ... -
[Pre-print] Stability tests for second order linear and nonlinear delayed models
(Springer, 2015-02-15)For the nonlinear second order Lienard-type equations with time-varying delays (see abstract equation image) global asymptotic stability conditions are obtained. The results are based on the new sufficient stability ... -
[Pre-print] Stabilization of second order nonlinear equations with variable delay
(Taylor & Francis Group, 2015)For a wide class of second-order nonlinear non-autonomous models, we illustrate that combining proportional state control with the feedback that is proportional to the derivative of the chaotic signal allows to stabilise ... -
[Pre-print] The effect of substrate rearing on the growth, aerobic scope, and physiology of larval white sturgeon (Acipenser transmontanus)
(John Wiley & Sons, Inc., 2018-04-24)The effect of substrate on growth and metabolic rate was assessed in larval white sturgeon (Aciperser transmontanus). Yolk sac larvae (YSL) were reared in bare tanks or tanks with gravel as substrate from hatch until ... -
[Pre-print] The importance of nature to city living during the COVID-19 pandemic: Considerations and goals from environmental psychology
(Routledge, 2020-07-30)The COVID-19 pandemic has produced an opportunity for urban planners, government decision-makers, health practitioners, and environmental psychologists to further understand human psychosocial wellbeing in cities. Given ... -
[Pre-print] The role of family in residential treatment patient retention
(Springer, 2017-08)This study aims to examine the completion rate of individuals in a residential addiction center when the individual's family members or significant others participate in the therapeutic process, contrasted with those who ... -
[Pre-print] The use of membrane introduction tandem mass spectrometry (MIMS-MS/MS) in field locations as an on-line quantitative environmental monitoring technique for trace contaminants in air and water
(Oxford University Press, 2009-01)Membrane introduction mass spectrometry (MIMS) is emerging as an important technique for on-line, real-time environmental monitoring. Because MIMS interfaces are simple and robust, they are ideally suited for operation in ...
