Zobrazeno 1 - 10
of 267
pro vyhledávání: '"E. Amundsen"'
Publikováno v:
Plant disease.
Dry bean (Phaseolus vulgaris L.) is a high-value crop grown under irrigation on 45,000 ha in southern Alberta, Canada. In 2019, one field of red beans showed premature yellowing and stunting of shoots in mid-July near Bow Island, AB. Roots had brown
Autor:
Matthew D. Robbins, Keenan E. Amundsen, Karen R. Harris-Shultz, B. Shaun Bushman, Scott E. Warnke, Ruth C. Martin
Publikováno v:
International Turfgrass Society Research Journal. 14:694-700
Akademický článek
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Autor:
David E. Amundsen
Publikováno v:
Studies in Applied Mathematics. 139:248-264
Publikováno v:
Applicable Analysis. 97:610-632
In this paper we perform a stability analysis of a fully discrete numerical method for the solution of a family of Boussinesq systems, consisting of a Fourier collocation spectral method for the spatial discretization and a explicit fourth order Rung
Publikováno v:
Zeitschrift für angewandte Mathematik und Physik. 68
We study the behaviour of the isentropic flow of a gas in both a straight tube of constant cross section and a cone, open at one end and forced at or near resonance at the other. A continuous transition between these configurations is provided throug
Publikováno v:
Ecological Complexity. 21:14-26
The present work employs a nonlocal delay reaction-diffusion model to study the impacts of the density dependent birth function, maturation time delay and population dispersal on single species dynamics (i.e., extinction, survival, extinction-surviva
Autor:
David E. Amundsen, Majid Bani-Yaghoub
Publikováno v:
Computational and Applied Mathematics. 34:309-324
Considering the traveling wave solutions of an age-structured population model, we study the propagation patterns of a single species with respect to the diffusion rates of mature and immature population. Depending on the slope of the birth function
Akademický článek
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Publikováno v:
International Journal of Multiphase Flow. 37:1282-1293
We develop a 1D cross sectional concentration profile model for oil and water droplets that coexist in the turbulent gas phase (of Re ∼ 106) in near horizontal stratified pipe flows. Entrainment of the oil and water mixture from a liquid film near