Mostrando 701 - 720 Resultados de 100,426 Para Buscar '"carbón"', tiempo de consulta: 0.56s Limitar resultados
  1. 701
    “…The effects of hydrothermal temperature on the microstructure and surface morphology of the products were mainly studied. Also, the carbon dioxide adsorption capacity of the prepared porous carbon was investigated. …”
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  2. 702
    “…For every three people on the planet, there are approximately two Tonnes (Te) of plastic waste. We show that carbon recovery from polystyrene (PS) plastic is enhanced by the coaddition of solvents to grow carbon nanotubes (CNTs) by liquid injection chemical vapour deposition. …”
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  3. 703
    “…Nitrogen-doped carbon quantum dots (N-CQDs) were synthesized in a one-step hydrothermal technique utilizing L-lactic acid as that of the source of carbon and ethylenediamine as that of the source of nitrogen, and were characterized using dynamic light scattering, X-ray photoelectron spectroscopy ultraviolet-visible spectrum, Fourier-transformed infrared spectrum, high-resolution transmission electron microscopy, and fluorescence spectrum. …”
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  4. 704
    “…In this work, carbon dots were created from activated and non-activated pyrolytic carbon black obtained from waste tires, which were then chemically oxidized with HNO(3). …”
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  5. 705
    “…[Image: see text] A series of Li/Mg composites were synthesized by the coprecipitation method using magnesium and lithium nitrates, and then used for the synthesis of glycerol carbonate (GC) from glycerol and dimethyl carbonate (DMC). …”
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  6. 706
    “…The aim of the present study is to investigate the influence of carbon content in carbon steels, boronizing temperature, and boronizing duration on the growth kinetics of boride layers. …”
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  7. 707
  8. 708
    “…With the acceleration of urbanization and industrialization, carbon neutrality and peak carbon dioxide emissions have become common sustainability goals worldwide. …”
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  9. 709
    por Dutta, Saikat, Bhat, Navya Subray
    Publicado 2022
    “…As the monomeric unit of the abundant biopolymer cellulose, glucose is considered a sustainable feedstock for producing carbon-based transportation fuels, chemicals, and polymers. …”
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  10. 710
    “…Metal-doped graphitic carbon nitride (MCN) materials have shown great promise as effective photocatalysts for the conversion of acetic acid to carbon dioxide under UV–visible irradiation and are superior to pristine carbon nitride (g-C(3)N(4) , CN). …”
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  11. 711
    “…Direct synthesis of dimethyl carbonate (DMC) from CO(2) and methanol (CH(3)OH) has been considered a promising route from a green chemistry point of view due to global warming mitigation by CO(2) emission reduction. …”
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  12. 712
    “…Highly porous carboncarbon composite electrodes have been synthesized by surface twin polymerization on a macroporous polyacrylonitrile (PAN)-based substrate. …”
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  13. 713
    “…Correction for ‘Influence of carbonization conditions on luminescence and gene delivery properties of nitrogen-doped carbon dots’ by Mickaël Claudel et al., RSC Adv., 2019, 9, 3493–3502.…”
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  14. 714
    “…In this work, mesoporous hard carbon materials were synthesized and modified by compositing a carbon coating and carbon nanotubes (CNTs), reducing the surface area and improving the conductivities without changing the microstructures of the anodes, which enhances the coulombic efficiencies and rate performances of sodium-ion batteries (SIBs).…”
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  15. 715
    por Herman, Artur P., Boncel, Sławomir
    Publicado 2018
    “…We report that combining oxidised carbon nanotubes (O-CNTs) and pristine CNTs may be the answer for more electroconductive composites. …”
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  16. 716
  17. 717
    “…BACKGROUND: Uncontrolled wildfires in Australian temperate Eucalyptus forests produce significant smoke emissions, particularly carbon dioxide (CO(2)) and particulates. Emissions from fires in these ecosystems, however, have received less research attention than the fires in North American conifer forests or frequently burned Australian tropical savannas. …”
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  18. 718
    por Liu, Kai, Ni, Ziyi, Ren, Mei, Zhang, Xiaoqing
    Publicado 2022
    “…Cities are areas featuring a concentrated population and economy and are major sources of carbon emissions (CEs). The spatial differences and influential factors of urban carbon emissions (UCEs) need to be examined to reduce CEs and achieve the target of carbon neutrality. …”
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  19. 719
    “…Project-based carbon contracts-for-difference (CCfDs) guarantee investors a fixed carbon price over the contract duration, thus de-risking such investments from political and market uncertainty, and allowing governments to set carbon prices above current levels. …”
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  20. 720
    “…A new catalytic route has been developed for the coupling of epoxides and CO(2) affording polymerizable six‐membered bicyclic carbonates. Cyclic epoxides equipped with a β‐positioned OH group can be transformed into structurally diverse bicyclic cyclic carbonates in good yields and with high selectivity. …”
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