Articles with "inhomogeneity" as a keyword



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Multiple interleaved mode saturation (MIMOSA) for B1+ inhomogeneity mitigation in chemical exchange saturation transfer

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Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.27762

Abstract: To mitigate B1+ inhomogeneity in quantitative CEST MRI at ultra‐high magnetic field strengths (B0 ≥ 7 Tesla) using a parallel transmit system. read more here.

Keywords: inhomogeneity; interleaved mode; mode saturation; multiple interleaved ... See more keywords
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Development of intravoxel inhomogeneity correction for chemical exchange saturation transfer spectral imaging: a high‐resolution field map‐based deconvolution algorithm for magnetic field inhomogeneity correction

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Published in 2019 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.28015

Abstract: CEST MRI is sensitive to dilute proteins/peptides and microenvironmental properties yet susceptible to magnetic field inhomogeneity. We aimed to develop a high‐resolution field map‐based CEST intravoxel inhomogeneity correction (CIVIC) algorithm for CEST Z‐spectral imaging. read more here.

Keywords: inhomogeneity; field; inhomogeneity correction; magnetic field ... See more keywords
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On the transmit field inhomogeneity correction of relaxation‐compensated amide and NOE CEST effects at 7 T

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Published in 2017 at "Nmr in Biomedicine"

DOI: 10.1002/nbm.3687

Abstract: High field MRI is beneficial for chemical exchange saturation transfer (CEST) in terms of high SNR, CNR, and chemical shift dispersion. These advantages may, however, be counter‐balanced by the increased transmit field inhomogeneity normally associated… read more here.

Keywords: inhomogeneity; cest effects; field; correction ... See more keywords
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Limitations of regional ventilation inhomogeneity indices in children with cystic fibrosis

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Published in 2020 at "Pediatric Pulmonology"

DOI: 10.1002/ppul.24863

Abstract: Scond is a multiple breath washout (MBW) index that measures convection‐dependent ventilation inhomogeneity (CDI) arising within conductive airways, but the calculation method is unreliable in subjects with advanced cystic fibrosis (CF) lung disease. A new… read more here.

Keywords: ventilation inhomogeneity; cystic fibrosis; index; inhomogeneity ... See more keywords
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Sub-Picosecond Carrier Dynamics Explored using Automated High-Throughput Studies of Doping Inhomogeneity within a Bayesian Framework.

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Published in 2023 at "Small"

DOI: 10.1002/smll.202300053

Abstract: Bottom-up production of semiconductor nanomaterials is often accompanied by inhomogeneity resulting in a spread in electronic properties which may be influenced by the nanoparticle geometry, crystal quality, stoichiometry, or doping. Using photoluminescence spectroscopy of a… read more here.

Keywords: carrier dynamics; inhomogeneity; spectroscopy; high throughput ... See more keywords
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Uniform fields inside an anisotropic elastic open inhomogeneity

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Published in 2020 at "Archive of Applied Mechanics"

DOI: 10.1007/s00419-019-01653-7

Abstract: Using the sextic Stroh formalism, we show that the strains and stresses inside an anisotropic elastic parabolic inhomogeneity are uniform when the surrounding anisotropic elastic matrix is subjected to uniform loading at infinity. All of… read more here.

Keywords: fields inside; inside anisotropic; uniform fields; inhomogeneity uniform ... See more keywords
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Inhomogeneity of precipitation and its influencing factors in Northwest China from 1961 to 2015

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Published in 2019 at "Theoretical and Applied Climatology"

DOI: 10.1007/s00704-019-02907-8

Abstract: Inhomogeneous spatiotemporal distribution of precipitation tends to causecauses floods and waterlogging,; an in-depth analysis of the inhomogeneous spatiotemporalthis distribution of precipitation can provide scientific methods for coping with droughts and floods and guiding agricultural production.… read more here.

Keywords: inhomogeneity; annual precipitation; precipitation; northwest china ... See more keywords
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Uniformity of stresses inside a parabolic inhomogeneity in finite plane elastostatics

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Published in 2020 at "Acta Mechanica"

DOI: 10.1007/s00707-019-02611-8

Abstract: Using complex variable techniques, we establish the uniformity of the internal Piola stresses within a parabolic inhomogeneity embedded in a matrix from a particular class of compressible hyperelastic materials of harmonic type subjected to uniform… read more here.

Keywords: inside parabolic; uniformity stresses; inhomogeneity; parabolic inhomogeneity ... See more keywords
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Non-stationary localized oscillations of an infinite string, with time-varying tension, lying on the Winkler foundation with a point elastic inhomogeneity

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Published in 2019 at "Nonlinear Dynamics"

DOI: 10.1007/s11071-018-04735-3

Abstract: We consider non-stationary oscillations of an infinite string with time-varying tension. The string lies on the Winkler foundation with a point inhomogeneity (a concentrated spring of negative stiffness). In such a system with constant parameters… read more here.

Keywords: varying tension; inhomogeneity; time varying; non stationary ... See more keywords
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Error inhomogeneity in the computation of spherical mean displacement

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Published in 2017 at "Journal of Meteorological Research"

DOI: 10.1007/s13351-017-6848-1

Abstract: The traditional method for computing the mean displacement in latitude–longitude coordinates is a spherical meridional–zonal resultant displacement method (MRDM), which regards the displacement as the resultant vector of the meridional and zonal displacement components. However,… read more here.

Keywords: inhomogeneity; gcdm; error; mrdm ... See more keywords
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Role of the local stress systems on microstructural inhomogeneity during semisolid injection

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Published in 2021 at "Acta Materialia"

DOI: 10.1016/j.actamat.2021.117015

Abstract: Abstract High pressure metal die casting is an extremely dynamic process with widely ranging cooling rates and intensifying pressures, resulting in a wide range of solid fractions and deformation rates simultaneously existing in the same… read more here.

Keywords: die casting; role local; inhomogeneity; microstructural inhomogeneity ... See more keywords