Articles with "narrow gap" as a keyword



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Amperometric responses of volatile organic amines in air by using 5-sulpho-salicylic acid modified narrow-gap electrochemical cell

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Published in 2018 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2018.09.066

Abstract: Abstract In this article, different kinds of volatile basic organic compounds (n-butylamine, morpholine, ethanolamine, triethylamine, pyridine) were investigated by using amperometric techniques with a narrow-gap cell. In case of bare electrode continuous current increase could… read more here.

Keywords: narrow gap; salicylic acid; cell; sulpho salicylic ... See more keywords
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Expansion and collapse of an initially off-centered bubble within a narrow gap and the effect of a free surface

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Published in 2018 at "International Journal of Multiphase Flow"

DOI: 10.1016/j.ijmultiphaseflow.2017.09.013

Abstract: Abstract A non-equilibrium oscillating bubble within a narrow gap in between two flat perspex plates has, in earlier studies, been reported to show complex behavior when it is centered between the plates. We study here… read more here.

Keywords: gap; bubble within; within narrow; free surface ... See more keywords
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Fracture studies on narrow gap welded SA 312 Type 304LN stainless steel straight pipes under quasi-cyclic loading

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Published in 2019 at "International Journal of Pressure Vessels and Piping"

DOI: 10.1016/j.ijpvp.2019.05.012

Abstract: Abstract Fracture studies were carried out on narrow gap welded SA 312 Type 304LN stainless steel straight pipes having circumferential through-wall notch in the weld. Totally six specimens were tested; one specimen was subjected to… read more here.

Keywords: cyclic loading; fracture studies; quasi cyclic; narrow gap ... See more keywords
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A comparative study on microstructure and mechanical properties near interface for dissimilar materials during conventional V-groove and narrow gap welding

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Published in 2017 at "Journal of Manufacturing Processes"

DOI: 10.1016/j.jmapro.2016.12.004

Abstract: Abstract Low alloy steel and 304 LN austenitic stainless steel pipes were welded together by gas tungsten arc and narrow gap welding. The aim of investigation was to identify particular welding technique, which may able… read more here.

Keywords: alloy steel; gap; low alloy; narrow gap ... See more keywords
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Effects of groove parameters on space constraint of narrow gap laser-arc hybrid welding

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Published in 2018 at "Journal of Manufacturing Processes"

DOI: 10.1016/j.jmapro.2018.05.006

Abstract: Abstract Obvious space constraint effect (SCE) related to energy transfer was found in narrow gap laser-arc hybrid welding (NGHW). It was significantly affected by changing the width of rectangle groove (WG) and the angle of… read more here.

Keywords: gap; space constraint; hybrid welding; gap laser ... See more keywords
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Modelling of residual stresses in a narrow-gap welding of ultra-thick curved steel mockup

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Published in 2018 at "Journal of Materials Processing Technology"

DOI: 10.1016/j.jmatprotec.2018.02.024

Abstract: Abstract A plane strain model, an axisymmetric model and a lumped-pass three-dimensional (3D) model were employed to simulate the residual stresses in a narrow-gap welding 300 mm-thick curved steel mockup. The lumped-pass 3D model was built… read more here.

Keywords: stresses narrow; mockup; model; residual stresses ... See more keywords
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Microstructure evolution and deformation resistance of heavy-thickness Ti-6Al-4V narrow-gap welded joints

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Published in 2019 at "Materials Letters"

DOI: 10.1016/j.matlet.2019.04.130

Abstract: Abstract In this work, 60 mm thick Ti-6Al-4V plates were joined by narrow-gap multi-pass gas tungsten arc welding (GTAW) technology to investigate microstructure and deformation resistance of joints. Depending on cooling condition, mixed weld microstructure consists… read more here.

Keywords: microstructure evolution; deformation resistance; narrow gap;
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Superconductivity and Structural Conversion with Na and K Doping of the Narrow-Gap Semiconductor CsBi4Te6

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Published in 2018 at "Chemistry of Materials"

DOI: 10.1021/acs.chemmater.8b02030

Abstract: The monoclinic narrow-gap (∼0.08 eV) semiconductor CsBi4Te6 is a unique layered system which can be doped to achieve high thermoelectric performance as well as superconductivity. Here, we report superconductivity and structure change induced by alloying… read more here.

Keywords: semiconductor csbi4te6; superconductivity; narrow gap; csbi4te6 ... See more keywords
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Controllable Synthesis of Narrow-Gap van der Waals Semiconductor Nb2GeTe4 with Asymmetric Architecture for Ultrafast Photonics.

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Published in 2022 at "ACS nano"

DOI: 10.1021/acsnano.1c10241

Abstract: Ultrafast photonics has become an interdisciplinary topic of great consequence due to the spectacular progress of compact and efficient ultrafast pulse generation. Wide spectrum bandwidth is the key element for ultrafast pulse generation due to… read more here.

Keywords: photonics; van der; narrow gap; der waals ... See more keywords
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Auger recombination in narrow gap HgCdTe/CdHgTe quantum well heterostructures

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Published in 2021 at "Journal of Applied Physics"

DOI: 10.1063/5.0046983

Abstract: We present detailed theoretical analysis of nonradiative Auger recombination in narrow-gap mercury-cadmium-telluride quantum wells (HgCdTe QWs). We suggest a microscopic model to calculate Auger recombination rates in the QWs with different Cd fraction as functions… read more here.

Keywords: recombination narrow; auger; qws; narrow gap ... See more keywords
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Narrow Gap Detection in Microscope Images Using Marked Point Process Modeling

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Published in 2019 at "IEEE Transactions on Image Processing"

DOI: 10.1109/tip.2019.2910389

Abstract: Differentiating objects separated by narrow gaps is a challenging and important task in analyzing microscopic images. These small separations provide useful information for applications that require detailed boundary information and/or an accurate particle count. We… read more here.

Keywords: point process; marked point; method; narrow gap ... See more keywords