Mostrando 1,701 - 1,720 Resultados de 100,426 Para Buscar '"carbón"', tiempo de consulta: 0.51s Limitar resultados
  1. 1701
    “…An increasing number of studies have demonstrated that confinement within carbon nanotubes (CNTs) provides an effective approach for the modulation of catalysis. …”
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  2. 1702
    “…Remarkable breakthroughs have established the functionality of graphene and carbon nanotube transistors as replacements to silicon in conventional computing structures, and numerous spintronic logic gates have been presented. …”
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  3. 1703
    “…The cycling of carbon between Earth's surface and interior governs the long-term habitability of the planet. …”
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  4. 1704
    “…Such strategies also involve adjustments of the carbon metabolism. Here, we review the effect of phosphorus limitation on carbon metabolism in diatoms. …”
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  5. 1705
    “…Nanomedicine rests at the nexus of medicine, bioengineering, and biology with great potential for improving health through innovation and development of new drugs and devices. Carbon nanotubes are an example of a fibrillar nanomaterial poised to translate into medical practice. …”
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  6. 1706
    “…To evaluate the biodiversity costs of increasing carbon sequestration, we quantified changes in ecosystem carbon stocks and the associated changes in communities of plants and ants resulting from fire suppression in savannas of the Brazilian Cerrado, a global biodiversity hotspot. …”
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  7. 1707
    por MacDougall, Andrew H.
    Publicado 2017
    “…The relationship, which has been named the Transient Climate Response to Cumulative CO(2) Emissions (TCRE), gives rise to the concept of a ‘carbon budget’. That is, a finite amount of carbon that can be burnt whilst remaining below some chosen global temperature change threshold, such as the 2.0 °C target set by the Paris Agreement. …”
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  8. 1708
    por Chae, Sang Hoon, Lee, Young Hee
    Publicado 2014
    “…As a result, various prospective materials have been proposed to overcome the rigidity of conventional Si technology. In particular, nano-carbon materials such as carbon nanotubes (CNTs) and graphene are promising due to outstanding elastic properties as well as an excellent combination of electronic, optoelectronic, and thermal properties compared to conventional rigid silicon. …”
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  9. 1709
    “…Single-wall carbon nanotubes (SWNTs) have been extensively explored as an ultrafast nonlinear optical material. …”
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  10. 1710
    por Li, Qianwei, Gadd, Geoffrey Michael
    Publicado 2017
    “…After incubation in urea-modified media, carbonate-laden fungal supernatants were used for the precipitation of copper carbonate, with experimental results agreeing closely with those obtained using geochemical modelling (Geochemist’s Workbench). …”
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  11. 1711
    por Supuran, Claudiu T.
    Publicado 2017
    “…Two of the simplest metabolic products, protons and bicarbonate, are generated by the catalytic activity of the metalloenzyme carbonic anhydrase (CA, EC 4.2.1.1), with at least two of its isoforms, CA IX and XII, mainly present in hypoxic tumors. …”
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  12. 1712
  13. 1713
  14. 1714
  15. 1715
    “…Burial in sediments removes organic carbon (OC) from the short-term biosphere-atmosphere carbon (C) cycle, and therefore prevents greenhouse gas production in natural systems. …”
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  16. 1716
    “…Peridotite carbonation represents a critical step within the long-term carbon cycle by sequestering volatile CO(2) in solid carbonate. …”
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  17. 1717
    “…PBT is also associated with low adverse events and maintenance of functional outcomes, which have implications for quality of life and cost-effectiveness measures going forward. Data on carbon ion radiation therapy (CIRT) are limited; existing series describe virtually no high-grade toxicities and high local control. …”
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  18. 1718
    “…Molecular evidence for proteorhodopsin- and bacteriochlorophyll-based photoheterotrophy is widespread in oligotrophic marine microbial community metagenomes, and has been implicated in light-enhanced growth rates, substrate uptake rates, and anapleurotic carbon fixation, thus complicating the web of interactions within the ‘microbial loop.’ …”
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  19. 1719
    “…The present study reports voltammetric reduction of nitazoxanide in Britton–Robinson (B–R) buffer by cyclic and square-wave voltammetry at glassy carbon electrode. A versatile fully validated voltammetric method for quantitative determination of nitazoxanide in pharmaceutical formulation has been proposed. …”
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  20. 1720
    “…Given that the top 10% global income earners are responsible for 36% of the current carbon footprint of households; the discourse should address income distribution and the carbon intensity of lifestyles.…”
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