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   Articles with "inhomogeneity" as a keyword



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

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recommendations! 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

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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recommendations! 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

B1 inhomogeneity corrected CEST MRI based on direct saturation removed omega plot model at 5T

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recommendations! Published in 2024 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.30112

Abstract: CEST can image macromolecules/compounds via detecting chemical exchange between labile protons and bulk water. B1 field inhomogeneity impairs CEST quantification. Conventional B1 inhomogeneity correction methods depend on interpolation algorithms, B1 choices, acquisition number or calibration… read more here.

Keywords: omega plot; inhomogeneity; based direct; saturation removed ... See more keywords

On the transmit field inhomogeneity correction of relaxation‐compensated amide and NOE CEST effects at 7 T

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recommendations! 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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recommendations! 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

Sub-Picosecond Carrier Dynamics Explored using Automated High-Throughput Studies of Doping Inhomogeneity within a Bayesian Framework.

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recommendations! 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

Influence of fuel inhomogeneity on detonation wave propagation in a rotating detonation combustor

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recommendations! Published in 2024 at "Shock Waves"

DOI: 10.1007/s00193-024-01180-7

Abstract: Rotating detonation combustor (RDC) is a form of pressure gain combustion, which is thermodynamically more efficient than the traditional constant-pressure combustors. In most RDCs, the fuel–air mixture is not perfectly premixed and results in inhomogeneous… read more here.

Keywords: detonation; fuel; rotating detonation; detonation wave ... See more keywords

Uniform fields inside an anisotropic elastic open inhomogeneity

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recommendations! 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

Inhomogeneity of precipitation and its influencing factors in Northwest China from 1961 to 2015

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recommendations! 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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recommendations! 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

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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recommendations! 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