Articles with "pressure gradient" as a keyword



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Examining the Magnetic Signal Due To Gravity and Plasma Pressure Gradient Current With the TIE‐GCM

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Published in 2017 at "Journal of Geophysical Research"

DOI: 10.1002/2017ja024841

Abstract: Accurate magnetic field measurements at ground and Low-Earth Orbit (LEO) are crucial to describe Earth's magnetic field. One of the challenges with processing LEO magnetic field measurements to study Earthâ's magnetic field is that the… read more here.

Keywords: gravity; magnetic signal; pressure gradient; plasma pressure ... See more keywords
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Convective flow of a Maxwell hybrid nanofluid due to pressure gradient in a channel

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Published in 2020 at "Journal of Thermal Analysis and Calorimetry"

DOI: 10.1007/s10973-020-10304-x

Abstract: In this work, analytical solution of hybrid Maxwell nanofluid of the vertical channel due to pressure gradient is discussed. By introducing dimensionless variables the governing equations with all levied initial and boundary conditions is converted… read more here.

Keywords: pressure gradient; convective flow; due pressure; maxwell ... See more keywords
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Causes of an increased pressure gradient through the left ventricular outflow tract: a West Coast experience

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Published in 2017 at "Journal of Echocardiography"

DOI: 10.1007/s12574-017-0352-6

Abstract: BackgroundLeft ventricular outflow tract obstruction (LVOTO) occurs from not only obstructive hypertrophic cardiomyopathy but also other conditions such as sigmoid septum or post mitral valve repair. However, the changes of the LVOT pressure gradient (LVOT… read more here.

Keywords: lvoto; ventricular outflow; pressure gradient; outflow tract ... See more keywords
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A numerical study over the effect of curvature and adverse pressure gradient on development of flow inside gas transmission pipelines

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Published in 2020 at "Journal of The Brazilian Society of Mechanical Sciences and Engineering"

DOI: 10.1007/s40430-020-02495-z

Abstract: In order to inspect the effects of adverse pressure gradient (APG) and curvature on the corrosion in the main gas transmission pipelines, the mean velocity and turbulence boundary layer on the walls of six different… read more here.

Keywords: adverse pressure; gas transmission; transmission pipelines; pressure gradient ... See more keywords
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Dual-porosity model of rate transient analysis for horizontal well in tight gas reservoirs with consideration of threshold pressure gradient

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Published in 2018 at "Journal of Hydrodynamics"

DOI: 10.1007/s42241-018-0113-7

Abstract: Most researches of the threshold pressure gradient in tight gas reservoirs are experimental and mainly focus on the transient pressure response, without paying much attention to the transient rate decline. This paper establishes a dual-porosity… read more here.

Keywords: tight gas; pressure gradient; rate; threshold pressure ... See more keywords
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Aeroacoustic scattering of rotating sources using a frequency-domain acoustic pressure gradient formulation

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Published in 2018 at "Applied Acoustics"

DOI: 10.1016/j.apacoust.2017.09.010

Abstract: Abstract In this paper, a frequency-domain methodology for acoustic scattering prediction from rotating sources is suggested. Frequency-domain acoustic analogy formulations are used for incident field prediction of acoustic pressure and the acoustic pressure gradient. The… read more here.

Keywords: methodology; rotating sources; acoustic pressure; pressure gradient ... See more keywords
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Why tracer migration experiments with a pressure gradient do not always allow a correct estimation of the accessible porosity in clays

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Published in 2020 at "Applied Geochemistry"

DOI: 10.1016/j.apgeochem.2020.104672

Abstract: Abstract For assessing the radionuclide transport parameters, the apparent diffusion coefficient and the rock capacity factor ηR (being the product of the accessible porosity η and the retardation factor R) in host rocks used for… read more here.

Keywords: accessible porosity; porosity; pressure gradient; experiments pressure ... See more keywords
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Exact analytical solution of a generalized multiple moving boundary model of one-dimensional non-Darcy flow in heterogeneous multilayered low-permeability porous media with a threshold pressure gradient

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Published in 2020 at "Applied Mathematical Modelling"

DOI: 10.1016/j.apm.2020.01.028

Abstract: Abstract A nonlinear generalized multiple moving boundary model of one-dimensional non-Darcy flow in heterogeneous multilayered low-permeability porous media with a threshold pressure gradient is constructed, in which the total rate of fluid injection into the… read more here.

Keywords: pressure gradient; threshold pressure; pressure; darcy flow ... See more keywords
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Active Fluctuations of the Nuclear Envelope Shape the Transcriptional Dynamics in Oocytes.

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Published in 2019 at "Developmental cell"

DOI: 10.1016/j.devcel.2019.09.010

Abstract: Nucleus position in cells can act as a developmental cue. Mammalian oocytes position their nucleus centrally using an F-actin-mediated pressure gradient. The biological significance of nucleus centering in mammalian oocytes being unknown, we sought to… read more here.

Keywords: nuclear envelope; actin; pressure gradient; fluctuations nuclear ... See more keywords
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Effect of calcining oxygen pressure gradient on properties of LiNi0.8Co0.15Al0.05O2 cathode materials for lithium ion batteries

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Published in 2020 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2020.135654

Abstract: Abstract To understand the effects of the calcining pressure gradient on the structure, morphology, and electrochemical properties of LiNi0.8Co0.15Al0.05O2 (NCA), Ni0.8Co0.15Al0.05 (OH)2 precursors prepared using a coprecipitation method are calcined under gradually increasing oxygen pressures… read more here.

Keywords: pressure gradient; calcining oxygen; oxygen pressure; pressure ... See more keywords
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Nanopore-based desalination subject to simultaneously applied pressure gradient and gating potential.

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Published in 2021 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2021.03.042

Abstract: The performance of a dielectric membrane in desalting is assessed by considering a cylindrical nanopore, surface modified by a dielectric layer, subject to simultaneously applied pressure gradient and gating potential. The charged conditions of the… read more here.

Keywords: simultaneously applied; gating potential; pressure gradient; subject simultaneously ... See more keywords