Mostrando 4,841 - 4,860 Resultados de 99,129 Para Buscar '" metal"', tiempo de consulta: 0.42s Limitar resultados
  1. 4841
    “…Up to 70 % of the oil paintings conserved in collections present metal soaps, which result from the chemical reaction between metal ions present in the painted layers and free fatty acids from the lipidic binders. …”
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  2. 4842
    “…[Image: see text] Two-dimensional (2D) boron-based materials are receiving much attention as H(2) storage media due to the low atomic mass of boron and the stability of decorating alkali metals on the surface, which enhance interactions with H(2). …”
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  3. 4843
    “…Shewanella oneidensis MR-1 is a facultative anaerobe known for its ability to reduce metal oxides. Anaerobic respiration, especially metal reduction, has been the subject of extensive research. …”
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  4. 4844
    “…Some adapted plant species tolerate and accumulate metal in their tissues. These metals can serve as an elemental defence but can also decrease growth. …”
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  5. 4845
    por Lai, Xiangdong, Jiang, Hui, Wang, Xuemei
    Publicado 2021
    “…Thus, the rational design of a fully biodegradable and synergistic bioimaging and therapy system is of great significance. Metal organic framework (MOF) is an emerging class of coordination materials formed from metal ion/ion clusters nodes and organic ligand linkers. …”
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  6. 4846
    “…The aim of this work is to verify the presence of deformation in the metal specimen from the material AISI 316L by means of lock-in thermography. …”
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  7. 4847
    “…Helium is insoluble in most metals and precipitates out to form nanoscale bubbles when the concentration is greater than 1 at.%, which can alter the material properties. …”
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  8. 4848
    “…Understanding the normal-metal state transport in twisted bilayer graphene near magic angle is of fundamental importance as it provides insights into the mechanisms responsible for the observed strongly correlated insulating and superconducting phases. …”
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  9. 4849
  10. 4850
    “…Notable, metals uptake did not completely recover after fungicide decomposition for all investigated elements except iron We suggest to define this chemically induced, time-dependent heavy metals migrations in the soil–plant system as hysteresis of heavy metals uptake.…”
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  11. 4851
    “…The metal–carbon bond in N-heterocyclic carbene (NHC) metal complexes, which are ubiquitous in modern homogeneous catalysis, is often conjectured to be robust. …”
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  12. 4852
    “…Streak artefacts were observed between the metal inserts that were more severe with steel compared to titanium inserts. …”
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  13. 4853
    “…A special friction simulator was used in the tests, reflecting friction conditions occurring while pulling a sheet strip through a drawbead in sheet metal forming. The variable parameters in the experimental tests were as follows: surface roughness of countersamples, lubrication conditions, sample orientation in relation to the sheet rolling direction as well as the sample width and height of the drawbead. …”
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  14. 4854
  15. 4855
    por Ren, Yi, Duan, Minghui, Guo, Rui, Liu, Jing
    Publicado 2021
    “…Recently, with the further development of liquid metal, some efforts have explored metamaterials based on such tunable electronic inks. …”
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  16. 4856
    “…Transition metal-catalyzed organic electrochemistry is a rapidly growing research area owing in part to the ability of metal catalysts to alter the selectivity of a given transformation. …”
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  17. 4857
    “…The results provide a significant insight into the chemistry of group VII transition metals, investigate the potential use of benzotriazole as a reducing agent for metal productions, and demonstrate a successful convenient method for rhenium metal production, which could be applied to other refractory metals.…”
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  18. 4858
    por Lam, Robert, Muniraj, Thiruvengadam
    Publicado 2021
    “…Fully covered self-expandable metal stents (FCSEMS) represent the latest advancement of metal biliary stents used to endoscopically treat a variety of obstructive biliary pathology. …”
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  19. 4859
    “…In combination with transition metal catalysis, it offers exciting opportunities to modify catalyst function in a non‐invasive manner, most frequently being reported to switch on or accelerate reactions that do not occur in the dark. …”
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  20. 4860
    “…Contamination of water and soil with toxic heavy metals is a major threat to human health. Although extensive work has been performed on reporting heavy metal pollutions globally, there are limited review articles on addressing this pernicious phenomenon. …”
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