Mostrando 4,681 - 4,700 Resultados de 99,129 Para Buscar '" metal"', tiempo de consulta: 0.42s Limitar resultados
  1. 4681
    “…In this work, by severe plastic deformation process of accumulative roll bonding (ARB), a 250 µm thick Cu-Nb multilayer containing more than 8000 interfaces with periods below 40 nm was obtained, enabling the production of bulk metallic nanolaminates with ultralow κ. Multilayers present an ultralow κ of ∼0.81 W/mK at 300 K, which is 100 times smaller than its Cu-Nb bulk counterpart, and even lower than the amorphous lattice limit for the Cu-Nb thin film system. …”
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  2. 4682
    “…Heat conduction joining is mainly used in laser-based joining of metals with polymers but results in a large amount of dissipated heat. …”
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  3. 4683
    “…Ultrasonic inspection of welds joining dissimilar metals in nuclear power plants has proven to be a challenge, because the ultrasonic waves are subject to diffraction, distortion, scattering, and noise. …”
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  4. 4684
    “…OBJECTIVE: To evaluate a protocol for bonding metallic brackets after bleaching with hydrogen peroxide (HP). …”
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  5. 4685
    “…This paper represents a model for microstructure formation in metallic foams based on the multi-phase-field approach. …”
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  6. 4686
  7. 4687
    “…This electrophilic ketone activation gives access to α‐arylated and α‐oxyaminated acetophenones under metal‐free conditions in moderate to excellent yields and enables extension to the synthesis of arylated morpholines via generation of vinylsulfonium salts. …”
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  8. 4688
    “…The merger of transition metal catalysis and electroorganic synthesis has recently emerged as a versatile platform for the development of highly enabling radical reactions in a sustainable fashion. …”
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  9. 4689
  10. 4690
  11. 4691
    “…Aquatic heavy metal pollution is a growing concern. To facilitate heavy metal monitoring in water, we developed transgenic Daphnia that are highly sensitive to heavy metals and respond to them rapidly. …”
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  12. 4692
    “…Mostly, phosphine-based bifunctional catalysts, owing to their ability to show metal–ligand cooperation during catalytic reactions, are extensively used in these reactions. …”
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  13. 4693
    “…Recent studies have linked exposure to heavy metals to the risks of CVD and diabetes, particularly in populations from low- and middle-income countries, where concomitant rapid development occurs. …”
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  14. 4694
  15. 4695
    “…We show that STP absorbers are able to mitigate the degradation of Q for less reflective metals or even non-metals such as doped silicon as plasmonic absorber material. …”
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  16. 4696
    por Hong, Myoung-Pyo, Kim, Young-Suk
    Publicado 2020
    “…Metal additive manufacturing (AM) is a low-cost, high-efficiency functional mold manufacturing technology. …”
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  17. 4697
    “…Heavy metals ions (HMI), if not properly handled, used and disposed, are a hazard for the ecosystem and pose serious risks for human health. …”
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  18. 4698
  19. 4699
    “…The structuring of the metal‐organic framework material ZIF‐8 as films and membranes through the vapor‐phase conversion of ZnO fractal nanoparticle networks is reported. …”
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  20. 4700
    “…Byssus is a thread-like seafood waste that has a natural high efficiency in anchoring many metal ions thanks to its richness of diverse functional groups. …”
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