Articles with "twist" as a keyword



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Understanding the Twist Distribution Inside Magnetic Flux Ropes by Anatomizing an Interplanetary Magnetic Cloud

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Published in 2018 at "Journal of Geophysical Research"

DOI: 10.1002/2017ja024971

Abstract: Magnetic flux rope (MFR) is the core structure of the greatest eruptions, i.e., the coronal mass ejections (CMEs), on the Sun, and magnetic clouds are post-eruption MFRs in interplanetary space. There is a strong debate… read more here.

Keywords: magnetic cloud; magnetic flux; cloud; effect ... See more keywords
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Lattice‐Mismatch‐Driven Small‐Angle Moiré Twists in Epitaxially Grown 2D Vertical Layered Heterostructures

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202205403

Abstract: Artificially introduced small twist angles at the interfaces of vertical layered heterostructures (VLHs) have allowed deterministic tuning of electronic and optical properties such as strongly correlated electronic phases and Moiré excitons. But creating a Moiré… read more here.

Keywords: vertical layered; twist; mismatch; epitaxially grown ... See more keywords
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Q‐TWiST: What really matters to the cancer patient?

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Published in 2017 at "Cancer"

DOI: 10.1002/cncr.30662

Abstract: In the article that accompanies this editorial, Berry et al report quality-adjusted survival outcomes from a randomized, placebo-controlled phase 2 trial (REGOSARC) for patients with doxorubicin-pretreated soft-tissue sarcoma (STS). The researchers applied the quality-adjusted time… read more here.

Keywords: quality; treatment; cancer; twist ... See more keywords
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Evaluation of image quality of pituitary dynamic contrast‐enhanced MRI using time‐resolved angiography with interleaved stochastic trajectories (TWIST) and iterative reconstruction TWIST (IT‐TWIST)

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Published in 2019 at "Journal of Magnetic Resonance Imaging"

DOI: 10.1002/jmri.26962

Abstract: Time‐resolved angiography with interleaved stochastic trajectories (TWIST) is a keyhole imaging with frequent sampling of central k‐space data and view‐sharing for the peripheral k‐space of dynamic phases. IT‐TWIST is a technique to reconstruct images with… read more here.

Keywords: resolved angiography; time resolved; interleaved stochastic; twist ... See more keywords
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Light-Driven Continuous Twist Movements of Microribbons.

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Published in 2019 at "Small"

DOI: 10.1002/smll.201804102

Abstract: Despite many advances in the development of artificial systems with helical twist motions or deformations, obtaining materials that can undergo continuous twist movements upon an energy input remains a great challenge. In this work, a… read more here.

Keywords: twist movements; driven continuous; continuous twist; light driven ... See more keywords
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Supersymmetric partition functions and the three-dimensional A-twist

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Published in 2017 at "Journal of High Energy Physics"

DOI: 10.1007/jhep03(2017)074

Abstract: A bstractWe study three-dimensional N=2$$ \mathcal{N}=2 $$ supersymmetric gauge theories on ℳg,p$$ {\mathrm{\mathcal{M}}}_{g,p} $$, an oriented circle bundle of degree p over a closed Riemann surface, Σg. We compute the ℳg,p$$ {\mathrm{\mathcal{M}}}_{g,p} $$ supersymmetric partition… read more here.

Keywords: three dimensional; supersymmetric partition; partition functions; partition ... See more keywords
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Subleading-power corrections to the radiative leptonic B → γℓν decay in QCD

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Published in 2018 at "Journal of High Energy Physics"

DOI: 10.1007/jhep05(2018)184

Abstract: A bstractApplying the method of light-cone sum rules with photon distribution amplitudes, we compute the subleading-power correction to the radiative leptonic B → γℓν decay from the twist-two hadronic photon contribution at next-to-leading order in… read more here.

Keywords: photon; subleading power; radiative leptonic; power ... See more keywords
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Twist-2 relation and sum rule for tensor-polarized parton distribution functions of spin-1 hadrons

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Published in 2021 at "Journal of High Energy Physics"

DOI: 10.1007/jhep09(2021)141

Abstract: Abstract Sum rules for structure functions and their twist-2 relations have important roles in constraining their magnitudes and x dependencies and in studying higher-twist effects. The Wandzura-Wilczek (WW) relation and the Burkhardt-Cottingham (BC) sum rule… read more here.

Keywords: spin hadrons; twist; sum rule; sum ... See more keywords
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Cosserat elasticity of lattice shells with kinematically independent flexure and twist

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Published in 2019 at "Continuum Mechanics and Thermodynamics"

DOI: 10.1007/s00161-018-0679-x

Abstract: A model of nonlinearly elastic surfaces composed of continuously distributed embedded fibers is formulated. This takes account of the elastic resistance of the fibers to extension, bending and twist. Twist is regarded as being kinematically… read more here.

Keywords: lattice shells; twist; kinematically independent; cosserat elasticity ... See more keywords
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Blade tip vortex measurements on actively twisted rotor blades

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Published in 2017 at "Experiments in Fluids"

DOI: 10.1007/s00348-017-2312-3

Abstract: Active rotor control concepts, such as active twist actuation, have the potential to effectively reduce the noise and vibrations of helicopter rotors. The present study focuses on the experimental investigation of active twist for the… read more here.

Keywords: vortex; rotor; blade tip; active twist ... See more keywords
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Analytical model of nonlinear twist dependency for Kevlar yarn based on local filament strain

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Published in 2017 at "Acta Mechanica"

DOI: 10.1007/s00707-016-1721-3

Abstract: Kevlar KM2 600 denier yarn is often twisted to improve yarn load at failure. It is noted in ASTM-D-7269 that twisting KM2 past five twists per inch can cause a lower load at failure. Understanding… read more here.

Keywords: yarn; kevlar yarn; model; filament ... See more keywords