Articles with "carbon oxygen" as a keyword



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Hydrogen Storage in Carbon and Oxygen Co‐Doped Porous Boron Nitrides

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Published in 2020 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202007381

Abstract: Fuel cell vehicles powered by hydrogen are particularly attractive and competitive among rapidly developing new energy-driven automobiles. One critical problem for this type of vehicles is the high cost for hydrogen storage due to the… read more here.

Keywords: oxygen doped; hydrogen storage; hydrogen; carbon oxygen ... See more keywords
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Edge‐Confined Pt1/MoS2 Single‐Atom Catalyst Promoting the Selective Activation of Carbon‐Oxygen Bond

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Published in 2021 at "ChemCatChem"

DOI: 10.1002/cctc.202100325

Abstract: Selective activation of carbon‐oxygen bonds (like C−O and C=O) represents an essential part of the biomass conversion, but it is difficult to selectively activating the inert carbon‐oxygen bonds. We report 2D MoS2 edges confined single… read more here.

Keywords: carbon; selective activation; configuration; carbon oxygen ... See more keywords
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Theoretical dosimetric evaluation of carbon and oxygen minibeam radiation therapy

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Published in 2017 at "Medical Physics"

DOI: 10.1002/mp.12175

Abstract: Purpose Charged particles have several advantages over x‐ray radiations, both in terms of physics and radiobiology. The combination of these advantages with those of minibeam radiation therapy (MBRT) could help enhancing the therapeutic index for… read more here.

Keywords: oxygen; dose; carbon oxygen; minibeam radiation ... See more keywords
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MRI-based quantification of carbon and oxygen concentrations in human soft tissues for range verification in proton therapy.

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Published in 2023 at "Medical physics"

DOI: 10.1002/mp.16353

Abstract: BACKGROUND In-situ range verification of particle therapy based on the detection of secondary emitted radiation requires highly accurate assignment of elemental concentrations (particularly carbon and oxygen) in the human body. PURPOSE A method for quantitatively… read more here.

Keywords: human soft; soft tissues; based method; mrwc based ... See more keywords
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Measurement of cosmic-ray carbon and oxygen energy spectra with CALET

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Published in 2019 at "Advances in Space Research"

DOI: 10.1016/j.asr.2019.04.015

Abstract: Abstract The CALorimetric Electron Telescope (CALET) is a space mission installed on the International Space Station (ISS) in August 2015. In addition to high precision measurements of the electron spectrum up to TeV scale, CALET… read more here.

Keywords: carbon oxygen; cosmic ray; calet; energy spectra ... See more keywords
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Carbon and oxygen isotopic fractionation in the products of low-temperature VUV photodissociation of carbon monoxide

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Published in 2018 at "Chemical Physics"

DOI: 10.1016/j.chemphys.2018.05.022

Abstract: Abstract The carbon and oxygen isotope fractionations occurring during photodissociation of carbon monoxide (CO) by vacuum ultraviolet photons (91–107 nm) at 80 K were measured and the isotopic fractionations due to direct and indirect predissociation processes individually… read more here.

Keywords: photodissociation; carbon; photodissociation carbon; carbon oxygen ... See more keywords
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Investigating early husbandry strategies in the southern Caucasus: intra-tooth sequential carbon and oxygen isotope analysis of Neolithic goats, sheep, and cattle from Göytepe and Hacı Elamxanlı Tepe

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Published in 2021 at "Journal of Archaeological Science: Reports"

DOI: 10.1016/j.jasrep.2021.102869

Abstract: Abstract The beginning of agriculture marks major changes in food acquisition technology in human history. In the southern Caucasus, agricultural villages emerged around 6000 cal. BC, 2000 to 3000 years later than in the Fertile Crescent despite… read more here.

Keywords: isotope; carbon oxygen; southern caucasus; oxygen isotope ... See more keywords
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Visible light photocatalytic mineralization of bisphenol A by carbon and oxygen dual-doped graphitic carbon nitride.

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Published in 2019 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2019.01.023

Abstract: A facile thermal polymerization was applied to synthesize carbon and oxygen dual-doped graphitic carbon nitride (MACN) with controllable electronic band structure using malonic acid and urea as precursors. The C and O atoms substituted the… read more here.

Keywords: oxygen dual; carbon; carbon oxygen; graphitic carbon ... See more keywords
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The influence of carbon and oxygen on the magnetic characteristics of press-less sintered NdFeB magnets

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Published in 2017 at "Journal of Magnetism and Magnetic Materials"

DOI: 10.1016/j.jmmm.2016.09.014

Abstract: Abstract The Pressless Process (PLP) was adopted to manufacture NdFeB sintered magnets, where the investigations on carbon and oxygen residues from heptane milling liquid media and graphite crucibles used for sintering were quantified to evaluate… read more here.

Keywords: oxygen; oxygen magnetic; carbon oxygen; magnetic characteristics ... See more keywords
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Rare earth elements and carbon-oxygen isotopes of calcite from the Tongjiachong Cu deposit, South China: Implications for fluid source and mineral precipitation

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Published in 2020 at "Ore Geology Reviews"

DOI: 10.1016/j.oregeorev.2019.103236

Abstract: Abstract Calcite is a major gangue mineral in many types of hydrothermal deposits, and its chemical and carbon-oxygen isotopic signatures can shed light on the metallogenic evolution. The Tongjiachong Cu deposit, located in the northern… read more here.

Keywords: south china; calcite; precipitation; calcite tongjiachong ... See more keywords
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Mobility and origin of camels in the Roman Empire through serial stable carbon and oxygen isotope variations in tooth enamel

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Published in 2020 at "Quaternary International"

DOI: 10.1016/j.quaint.2020.05.029

Abstract: Abstract Although camels are not indigenous to Europe, they have been found at several sites from several Roman provinces dating from the beginning of the 1st century AD onwards. It must have been beneficial to… read more here.

Keywords: carbon; carbon oxygen; tooth enamel; mobility origin ... See more keywords