Articles with "hollow core" as a keyword



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Rational Construction of Hollow Core-Branch CoSe2 Nanoarrays for High-Performance Asymmetric Supercapacitor and Efficient Oxygen Evolution.

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Published in 2018 at "Small"

DOI: 10.1002/smll.201700979

Abstract: Metal selenides have great potential for electrochemical energy storage, but are relatively scarce investigated. Herein, a novel hollow core-branch CoSe2 nanoarray on carbon cloth is designed by a facile selenization reaction of predesigned CoO nanocones.… read more here.

Keywords: core branch; hollow core; branch cose2; cose2 ... See more keywords
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Single-polarization single-mode hollow-core negative-curvature fiber with silicon-coated cladding

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Published in 2020 at "Optical and Quantum Electronics"

DOI: 10.1007/s11082-020-02383-9

Abstract: We propose a hollow-core negative-curvature fiber with a silicon-coated double-ring cladding structure. Simulation results show that three broadband single-polarization single-mode regions of 1514–1529 nm, 1536–1546 nm, and 1549–1579 nm are achieved in this fiber. The polarization extinction ratio… read more here.

Keywords: single polarization; mode; hollow core; polarization single ... See more keywords
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Sacrificial sulphonated polystyrene template-assisted synthesis of mesoporous hollow core-shell silica nanoparticles for drug-delivery application

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Published in 2020 at "Bulletin of Materials Science"

DOI: 10.1007/s12034-020-02209-0

Abstract: Spherical mesoporous hollow core-shell silica nanoparticles (HCSNs) of size 200 ± 50 nm with tunable thickness from 20 to 60 nm are synthesized using a sacrificial sulphonated polystyrene (PS, particle size 160 nm) template. A facile method is adopted for… read more here.

Keywords: hollow core; core shell; drug; shell silica ... See more keywords
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Interference-based optical measurement of fluidic flow in a hollow-core fiber

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Published in 2018 at "Photonic Sensors"

DOI: 10.1007/s13320-017-0447-8

Abstract: In this study, we present speed and displacement measurements of micro-fluid in a hollow-core optical fiber, where an optical interference signal is created by two guided beams reflected at a fixed facet and a moving… read more here.

Keywords: fiber; interference; hollow core; fluid end ... See more keywords
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Experimental and Numerical Analyses of Single Pedestrian Walking on a Hollow Core Concrete Floor

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Published in 2019 at "International Journal of Civil Engineering"

DOI: 10.1007/s40999-018-0355-3

Abstract: The purpose of this paper is to study experimentally and numerically the dynamic response of a hollow core concrete slab due to a single pedestrian. To achieve this aim, a test structure consisting of six… read more here.

Keywords: experimental numerical; single pedestrian; hollow core; core concrete ... See more keywords
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Facile preparation of polymer microspheres and fibers with a hollow core and porous shell for oil adsorption and oil/water separation

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2018.01.013

Abstract: Abstract Non-solvent assisted electrospinning was proposed for fabricating Polymethylmethacrylate (PMMA) microspheres and fibers with a hollow core and porous shell, which could be used for oil adsorption and oil/water separation. Propanediol was chosen as the… read more here.

Keywords: hollow core; oil water; water separation; separation ... See more keywords
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The hollow core-shell ferric oxide entrapped chitosan microcapsules as phosphate binders for phosphorus removal in vitro.

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Published in 2021 at "Carbohydrate polymers"

DOI: 10.1016/j.carbpol.2021.117621

Abstract: Patients in hyperphosphatemia are orally prescribed with phosphate binders to excrete the non-metabolic phosphorus. Aiming for the bio-compatibility and binding efficacy, the Fe-based phosphate binders of low toxicity have been explored and improved. Herein, the… read more here.

Keywords: core shell; ferric oxide; hollow core; phosphate binders ... See more keywords
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Possibilities of using ultrasound for the technological control of concrete of hollow-core slabs

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Published in 2017 at "Construction and Building Materials"

DOI: 10.1016/j.conbuildmat.2016.12.121

Abstract: Abstract This manuscript addresses the evaluation of possible applications of ultrasonic tests for the technological control of concrete of hollow-core slabs during the production phase. The study was divided into two phases. In the first,… read more here.

Keywords: control concrete; hollow core; technological control; core slabs ... See more keywords

Combined high catalytic activity and polysulfide confinement in hierarchical carbon-encapsulated CoSe hollow core-shell spheres for high-performance lithium–sulfur batteries

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Published in 2021 at "Journal of Power Sources"

DOI: 10.1016/j.jpowsour.2021.230177

Abstract: Abstract Hierarchical carbon-encapsulated CoSe (designated as C–CoSe) hollow core-shell sphere is designed and constructed to relieve shuttle effect of the LiPSs, thereby leading to the performance enhancement of the LSBs. The prepared C–CoSe spheres comprise… read more here.

Keywords: cose hollow; hollow core; performance; core ... See more keywords
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A test resonator for Kagome Hollow-core Photonic Crystal Fibers for resonant rotation sensing

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Published in 2017 at "Optics Communications"

DOI: 10.1016/j.optcom.2016.09.046

Abstract: Abstract We build ring resonators to assess the potentialities of Kagome Hollow-Core Photonic Crystal Fibers for future applications to resonant rotation sensing. The large mode diameter of Kagome fibers permits to reduce the free space… read more here.

Keywords: rotation sensing; hollow core; kagome hollow; core photonic ... See more keywords
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Hollow-core fiber with nested anti-resonant tubes for low-loss THz guidance

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Published in 2018 at "Optics Communications"

DOI: 10.1016/j.optcom.2018.05.071

Abstract: Abstract A hollow-core fiber with nested anti-resonant node-free cladding tubes suitable for broadband THz guidance with low transmission losses is proposed. It is shown that the tube separation and tube thickness of the inner elements… read more here.

Keywords: hollow core; fiber nested; thz; fiber ... See more keywords