Mostrando 2,061 - 2,080 Resultados de 100,426 Para Buscar '"carbón"', tiempo de consulta: 0.87s Limitar resultados
  1. 2061
    “…Phytolith-occluded carbon (PhytOC) can be preserved in soils or sediments for thousands of years and might be a promising potential mechanism for long-term terrestrial carbon (C) sequestration. …”
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  2. 2062
    “…Herein, we present the design of a carbon-rich graphitic carbon nitride (C(co)-C(3)N(4)), prepared from a layered molecular cocrystal precursor. …”
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  3. 2063
    “…This paper presents perovskite solar cells employed with WO(3) nanoparticles embedded carbon top electrode. WO(3) nanoparticles works as an inorganic hole-transport material (HTM) to promote the hole-extraction in the perovskite/carbon interface as revealed by efficiency, electrochemical impedance and external quantum efficiency measurements. …”
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  4. 2064
    “…[Image: see text] A silver(I)-promoted cascade reaction was developed for the synthesis of cyclic carbonates from terminal propargylic alcohols, carbon dioxide, and vicinal diols. …”
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  5. 2065
    “…[Image: see text] To improve the performance of carbon paper used for applications such as electrodes for electrochemical devices and air filters, two types of long carbon nanofibers (CNFs) with average diameters of 20 and 49 nm were prepared by the liquid pulse injection (LPI) technique by adjusting reaction conditions. …”
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  6. 2066
    “…Carbon nanotube-quicklime nanocomposites (CQNs) have been synthesized via the chemical vapor deposition (CVD) of n-hexane using a nickel metal catalyst supported on calcined carbonate stones at temperatures of 600–900 °C. …”
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  7. 2067
    “…There is growing international interest in better managing soils to increase soil organic carbon (SOC) content to contribute to climate change mitigation, to enhance resilience to climate change and to underpin food security, through initiatives such as international ‘4p1000’ initiative and the FAO's Global assessment of SOC sequestration potential (GSOCseq) programme. …”
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  8. 2068
    “…An electric double-layer capacitor (EDLC) was fabricated using multi-walled carbon nanotubes (MWCNT) and activated carbon (AC) derived from Moringa Oleifera fruit shells as electrode material. …”
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  9. 2069
    “…[Image: see text] A visible-light-mediated late-stage aminocarbonylation of unactivated alkyl iodides with stoichiometric amounts of carbon monoxide is presented. The method provides a mild, one-step route to [carbonyl-(13/14)C] alkyl amides, thereby reducing radioactive waste, and handling of radioactive materials. …”
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  10. 2070
    “…A simple, sensitive and time-saving differential-pulse adsorptive stripping voltammetric (DPAdSV) procedure using a screen-printed carbon electrode modified with carboxyl functionalized multiwalled carbon nanotubes (SPCE/MWCNTs-COOH) for the determination of diclofenac (DF) is presented. …”
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  11. 2071
    “…For developing a high‐performance carbon electrode using a simple and effective method, a fishnet‐like, N‐doped porous carbon (FNPC) film is prepared by calcining the KOH‐activated polyindole precoated on carbon cloths. …”
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  12. 2072
    “…Layered carbon fiber composites (CFC) with enhanced shielding effectiveness (SE) were prepared with mixed fillers of carbon nanotubes (CNTs) and carbonyl iron powders (CIPs) in the form of a Koch curve fractal. …”
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  13. 2073
    “…We used stable and radioisotope tracers ((15)N, (33)P, (14)C) to quantify AMF‐mediated nutrient uptake and fungal acquisition of plant carbon in three wheat (Triticum aestivum L.) cultivars. …”
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  14. 2074
  15. 2075
    “…[Image: see text] Alkaline-earth metal carbonate materials have attracted wide interest because of their high value in many applications. …”
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  16. 2076
  17. 2077
    “…[Image: see text] Tuning interactions at the interfaces in carbon fiber (CF)-reinforced polymer composites necessitates the implementation of CF surface modification strategies that often require destructive environmentally unfriendly chemistries. …”
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  18. 2078
    “…The proposed sensor is designed with a simple dip-coating homogeneous synergetic conductive network of carbon black (CB) and multi-walled carbon nanotube (MWCNTs) composite on polydimethysiloxane (PDMS) sponge skeletons. …”
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  19. 2079
    “…Capacitive deionization is an emerging brackish water desalination technology whose principle lies in the utilization of porous electrodes (activated carbon materials) to temporarily store ions. Improving the properties of carbon material used as electrodes have been the focus of recent research, as this is beneficial for overall efficiency of this technology. …”
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  20. 2080
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