Articles with "comb" as a keyword



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Synthesis of Star-Comb Double Crystalline Diblock Copolymer of Poly(ε-caprolactone)-block-poly(l-lactide): Effect of Chain Topology on Crystallization Behavior

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Published in 2017 at "Macromolecular Chemistry and Physics"

DOI: 10.1002/macp.201700178

Abstract: A series of highly branched star-comb poly(e-caprolactone)-block-poly(l-lactide) (scPCL-b-PLLA) are successfully achieved using star-shaped hydroxylated polybutadiene as the macroinitiator by a simple “grafting from” strategy. The ration of each segment can be controlled by the feed… read more here.

Keywords: star comb; crystallization; poly; topology ... See more keywords

Perfluorinated comb-shaped cationic polymer containing long-range ordered main chain for anion exchange membrane

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Published in 2020 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2020.135757

Abstract: Abstract Achieving high ionic conductivity and alkaline stability of anion exchange membranes (AEMs) is critical for anion exchange membrane fuel cells (AEMFCs). Here we described a method of preparing perfluorinated comb-shaped cationic polymers containing long-range… read more here.

Keywords: perfluorinated comb; comb; anion exchange; comb shaped ... See more keywords
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Comb age significantly influences the productivity of the honeybee (Apis mellifera) colony

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Published in 2021 at "Journal of King Saud University - Science"

DOI: 10.1016/j.jksus.2021.101436

Abstract: Abstract Objectives The honeybee mainly uses the wax comb for brood rearing and food storage. Repeated brood rearing in the comb changes the wax color and cell dimensions. Therefore, we aimed to study the decline… read more here.

Keywords: comb; colony; productivity; new combs ... See more keywords
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Estimating patient-specific treatment advantages in the 'Treatment for Adolescents with Depression Study'.

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Published in 2019 at "Journal of psychiatric research"

DOI: 10.1016/j.jpsychires.2019.02.021

Abstract: The 'Treatment for Adolescents with Depression Study' (TADS, ClinicalTrials.gov, identifier: NCT00006286) was a cornerstone, randomized controlled trial evaluating the effectiveness of standard treatment options for major depression in adolescents. Whereas previous TADS analyses examined primarily… read more here.

Keywords: depression; patient specific; difference; cbt ... See more keywords
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Molecular origin of the foam structure in model linear and comb polystyrenes: II. Volume expansion ratio

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Published in 2020 at "Polymer"

DOI: 10.1016/j.polymer.2020.122354

Abstract: Abstract The effect of the molecular architecture of a series of anionically synthesized linear and comb atactic polystyrenes (PS) on their foam properties including cell size, cell density, and volume expansion ratio (V.E.R.) was investigated.… read more here.

Keywords: foam; volume expansion; expansion ratio; linear comb ... See more keywords
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Broadband optical frequency comb generator based on driving N-cascaded modulators by Gaussian-shaped waveform

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Published in 2018 at "Optical Fiber Technology"

DOI: 10.1016/j.yofte.2018.03.001

Abstract: Abstract A new approach for realizing a wideband optical frequency comb (OFC) generator based on driving cascaded modulators by a Gaussian-shaped waveform, is proposed and numerically demonstrated. The setup includes N-cascaded MZMs, a single Gaussian-shaped… read more here.

Keywords: shaped waveform; gaussian shaped; frequency; generator ... See more keywords
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Research on polarization insensitive AOWC system for 40Gbps 16QAM-OFDM based on wide optical comb generation self-pumping structure

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Published in 2021 at "Optical Fiber Technology"

DOI: 10.1016/j.yofte.2021.102611

Abstract: Abstract In this paper, we proposed a 40Gbps 16QAM-OFDM polarization insensitive all-optical wavelength conversion (AOWC) system based on self-pumping structure of wide optical comb. In this scheme, the carrier suppression modulation is carried out by… read more here.

Keywords: polarization insensitive; system; 16qam ofdm; comb ... See more keywords
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Efficient Softening and Toughening Strategies of Cellulose Nanofibril Nanocomposites Using Comb Polyurethane.

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Published in 2022 at "Biomacromolecules"

DOI: 10.1021/acs.biomac.1c01625

Abstract: Cellulose nanofibrils (CNFs) have attracted attention as building blocks for sustainable materials owing to their high performance and the advantages of their abundant natural resources. Bioinspired CNF/polymer nanocomposites, consisting of a soft polymer phase and… read more here.

Keywords: softening toughening; phase; comb polyurethane; polymer phase ... See more keywords
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Room temperature terahertz semiconductor frequency comb

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Published in 2019 at "Nature Communications"

DOI: 10.1038/s41467-019-10395-7

Abstract: A terahertz (THz) frequency comb capable of high-resolution measurement will significantly advance THz technology application in spectroscopy, metrology and sensing. The recently developed cryogenic-cooled THz quantum cascade laser (QCL) comb has exhibited great potentials with… read more here.

Keywords: thz; room temperature; spectroscopy; frequency comb ... See more keywords
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A six-octave optical frequency comb from a scalable few-cycle erbium fibre laser

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Published in 2020 at "Nature Photonics"

DOI: 10.1038/s41566-021-00778-y

Abstract: A compact and robust coherent laser light source that provides spectral coverage from the ultraviolet to infrared is desirable for numerous applications, including heterodyne super resolution imaging[1], broadband infrared microscopy[2], protein structure determination[3], and standoff… read more here.

Keywords: microscopy; comb; spectroscopy; frequency comb ... See more keywords
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Quantitative evaluation of comb-structure correction methods for multispectral fibrescopic imaging

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Published in 2018 at "Scientific Reports"

DOI: 10.1038/s41598-018-36088-7

Abstract: Removing the comb artifact introduced by imaging fibre bundles, or ‘fibrescopes’, for example in medical endoscopy, is essential to provide high quality images to the observer. Multispectral imaging (MSI) is an emerging method that combines… read more here.

Keywords: evaluation comb; correction; correction methods; comb structure ... See more keywords