Mostrando 1,401 - 1,420 Resultados de 100,426 Para Buscar '"carbón"', tiempo de consulta: 0.47s Limitar resultados
  1. 1401
  2. 1402
    “…To reduce carbon emissions, the Chinese government is considering introducing a differentiated industrial carbon tax on enterprises outside the carbon trading market in the future. …”
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  3. 1403
    “…In this study we prepared six types of carbon nanodots (CNDs) from natural plant materials – through carbonization of two species of bamboo (Bamboo-I, Bamboo-II) and one type of wood (Wood), and through hydrothermal processing of the stem and root of the herb Mahonia oiwakensis Hayata (MO) and of the agricultural waste of two species of pineapple root (PA, PB). …”
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  4. 1404
    “…[Image: see text] Flattened carbon nanotubes (flCNTs) naturally form in many carbon nanotube-based materials and can exhibit mechanical properties similar to round carbon nanotubes but with tighter packing and alignment. …”
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  5. 1405
    “…Its synthesis by transesterification of isosorbide with dimethyl carbonate (DMC) is very negatively influenced by the presence of small amounts of acidic impurities in isosorbide when heterogeneous inorganic carbonates such as potassium and cesium carbonates are used as catalysts. …”
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  6. 1406
    “…In this paper, carboxylic multi-walled carbon nanotubes (MWCNTs-COOH) were modified by a series of hyperbranched polyesters (HBP) with different molecular structures (different branching degree) through surface grafting, and then the epoxy resin (EP)/carbon nanotube composites were prepared to explore the influences of structure regulation of HBP modified carbon nanotubes on the toughening performance of the composites. …”
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  7. 1407
    “…A binder-free self-standing carbon nanotube (CNT)/carbon fiber (CF) composite electrode, which has been developed using an electrophoretic deposition approach, was utilized as a lithium-ion battery anode. …”
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  8. 1408
    por Lv, Kang, Zhang, Hua, Chen, Shuiliang
    Publicado 2018
    “…In this study, a method of doped carbon modification was employed to decrease the over-potential and improve the ORR electrocatalytic activity of the AC catalyst. …”
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  9. 1409
    “…Carbon emissions have emerged as an alarming and complex issue causing a long-lasting debate over climate change in the construction, building, and industrial sectors. …”
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  10. 1410
  11. 1411
  12. 1412
  13. 1413
    “…A novel voltammetric method for the sensitive and selective determination of cadmium and lead ions using screen-printed carbon electrodes (SPCEs) modified with carbon-deposited natural halloysite (C_Hal) and multi-walled carbon nanotubes (MWCNTs) was developed. …”
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  14. 1414
    “…With the commitment to peaking carbon emissions by 2030 and achieving carbon neutrality by 2060, the text analysis of policies related to peak carbon emissions and carbon neutrality has become a hot research topic in China. …”
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  15. 1415
    “…Based on the self-passivation function of chitosan, an efficient, and green synthesis strategy was applied to prepare chitosan carbon dots (CDs). The quantum yield of carbon dots reached 35% under the conditions of hydrothermal temperature of 200 °C, hydrothermal time of 5 h, and chitosan concentration of 2%. …”
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  16. 1416
    “…Porous carbon materials are synthesized from pomelo valves by the hydrothermal activation of H(3)PO(4) followed by simple carbonization. …”
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  17. 1417
    “…Carbon dots (CDs), as a new type of photoluminescent nanomaterial, have attracted extensive attention in various fields because of their unique luminescence properties. …”
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  18. 1418
    “…One of the main electrolytic aluminum production costs is the consumption of carbon anodes, and carbon anode slag is a common hazardous waste in the aluminum industry. …”
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  19. 1419
    por Zhang, Wei, Zhou, Hao, Chen, Jie, Fan, Zifu
    Publicado 2022
    “…The deep integration of digital economy and green development has become an inevitable requirement and an important aid in achieving the goal of carbon peaking and carbon neutrality and promoting high-quality economic development. …”
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  20. 1420
    por Ouyang, Qin, Liu, Ling, Wu, Zhanjun
    Publicado 2022
    “…Herein, two sandwich and porous interleaves composed of carbon nanotube (CNT) and poly(ethylene-co-methacrylic acid) (EMAA) are proposed, which can simultaneously toughen and self-heal the interlaminar interface of a carbon fiber-reinforced plastic (CFRP) by in situ electrical heating of the CNTs. …”
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