Mostrando 1,301 - 1,320 Resultados de 100,426 Para Buscar '"carbón"', tiempo de consulta: 0.63s Limitar resultados
  1. 1301
    “…Current study was conducted to evaluate the effect of important land uses and soil depth on soil organic carbon pools viz. total organic carbon, Walkley and black carbon, labile organic carbon, particulate organic carbon, microbial biomass carbon and carbon management index (CMI) in the north Western Himalayas, India. …”
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  2. 1302
  3. 1303
    “…Our computational study paves the road to finding suitable metals that catalyze the first proton–electron transfer in the carbon dioxide reduction reaction and produce reaction intermediates with moderate binding energies, promoting a spillover to the carbon nitride support and thereby serving as bifunctional electrocatalysts.…”
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  4. 1304
    “…[Image: see text] In this study, carbon-coated silver nanoparticles (Ag@C NPs) were synthesized with a one-pot hydrothermal method using palm leaves as a reductant and a carbon source. …”
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  5. 1305
    “…In this paper, waste wolfberry straw was utilized as a carbon source, and two simple methods were developed to successfully prepare activated carbon (AC) and carbon quantum dots (CQDs). …”
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  6. 1306
    “…The present article investigates the possibility of simulating the electrical conductivity of carbon nanotube-reinforced polymer composites by numerical methods. …”
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  7. 1307
    “…The structural properties and characteristics of date palm fiber-based low-cost carbon nanotubes (CNTs) and nanostructured powder activated carbon (DP-NPAC) are investigated. …”
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  8. 1308
    “…Nanocomposites that combine porous materials and a continuous conductive skeleton as a sulfur host can improve the performance of lithium–sulfur (Li-S) batteries. Herein, carbon nanotubes (CNTs) anchoring small-size (~40 nm) N-doped porous carbon polyhedrons (S-NCPs/CNTs) are designed and synthesized via annealing the precursor of zeolitic imidazolate framework-8 grown in situ on CNTs (ZIF-8/CNTs). …”
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  9. 1309
    “…This can be achieved through a reduction in fossil fuel utilization and through carbon sequestration, which reduces the concentration of CO(2) in the atmosphere. …”
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  10. 1310
  11. 1311
    “…[Image: see text] Poly(propylene carbonate) (PPC) polyol is an environmentally sustainable material derived from abundant and renewable greenhouse gas, CO(2). …”
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  12. 1312
    “…Next, the basic model of the local carbon cycle for urbanized territories is built. We consider two processes: carbon emissions as a result of conversion of natural lands caused by urbanization; and the transformation of carbon flows by "urbanized" ecosystems; when carbon, accumulated by urban vegetation, is exported to the neighbouring territories. …”
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  13. 1313
  14. 1314
  15. 1315
    por Jeong, Haesang, Jeon, Seungwon
    Publicado 2008
    “…Carbon fiber microelectrode (CFME) modified by Nafion and single-walled carbon nanotubes (SWNTs) was studied by voltammetric methods in phosphate buffer saline (PBS) solution at pH 7.4. …”
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  16. 1316
    “…The regioselective carboncarbon bond formation was studied using 5,5,5-trifluoro-1-phenylpent-3-en-1-yne as a model substrate, and predominant acceptance of electrophiles β to a CF(3) group as well as a deuterium trap experiment of the lithiated species led to the conclusion that the obtained regioselectivity is kinetically determined for the reactions with electrophiles, under equilibration of the possible two anionic species.…”
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  17. 1317
  18. 1318
    “…A biosensor comprising tyrosinase immobilized on a single-walled carbon nanotube-modified glassy carbon electrode has been developed. …”
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  19. 1319
  20. 1320
    por Jones, Alan M, Banks, Craig E
    Publicado 2014
    “…N-acyliminium ions are useful reactive synthetic intermediates in a variety of important carboncarbon bond forming and cyclisation strategies in organic chemistry. …”
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