Mostrando 4,241 - 4,260 Resultados de 99,129 Para Buscar '" metal"', tiempo de consulta: 0.38s Limitar resultados
  1. 4241
  2. 4242
    “…Evaluating the degree of metal exposure and bioaccumulation in estuarine organisms is important for understanding the fate of metals in estuarine food webs. …”
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  3. 4243
    “…Metallic auxetic metamaterials are of great potential to be used in many applications because of their superior mechanical performance to elastomer-based auxetic materials. …”
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  4. 4244
    “…BACKGROUND: Relatively little is known about the genetic basis for the unique physiology of metal-reducing genera in the delta subgroup of the proteobacteria. …”
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  5. 4245
    “…During the adsorption of metal ions on hydrogels, the residual metal ion concentration in the solution was measured by an atomic absorption spectrophotometer (AAS). …”
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  6. 4246
  7. 4247
    “…The present review covers various aspects of self-expanding metallic stent placement for palliating esophageal cancer, including its types, placement procedures, indications, contraindications, complications, and some of innovations that will become available in the future.…”
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  8. 4248
    “…Transition metal chalcogenides are an important family of materials that have received significant interest in recent years as they have the potential for diverse applications ranging from use in electronics to industrial lubricants. …”
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  9. 4249
    por Campbell, Michael G., Dincă, Mircea
    Publicado 2017
    “…In the past decade, advances in electrically conductive metal–organic frameworks (MOFs) and MOF-based electronic devices have created new opportunities for the development of next-generation sensors. …”
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  10. 4250
    por Fu, Liangjie, Yang, Huaming
    Publicado 2017
    “…In this work, a series of transition metal (Cr, Mn, Fe, and Co) doped kaolinite nanoclays were investigated by density functional theory (DFT) calculations. …”
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  11. 4251
    “…In vitro selection was used to isolate five classes of allosteric hammerhead ribozymes that are triggered by binding to certain divalent metal ion effectors. Each of these ribozyme classes are similarly activated by Mn(2+), Fe(2+), Co(2+), Ni(2+), Zn(2+) and Cd(2+), but their allosteric binding sites reject other divalent metals such as Mg(2+), Ca(2+) and Sr(2+). …”
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  12. 4252
    “…The redox properties of metallic nanoparticles are discussed, in particular the relationships between excess charge, size and the Fermi level of the electrons. …”
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  13. 4253
    “…One of the endodontic-treated abutment teeth required a radicular retainer with cast metal post, but because of the opacity of zirconia, the esthetics of the prosthesis was not compromised. …”
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  14. 4254
    por Kapahi, Meena, Sachdeva, Sarita
    Publicado 2017
    “…The genus has been reported to accumulate high levels of heavy metals. The current state-of-the art review mainly summarises previous investigations carried out by researchers on different roles and mechanisms played by Pleurotus species on heavy metals mycoremediation.…”
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  15. 4255
  16. 4256
    “…By using the scalable Langmuir-Blodgett method, we combine high-quality chemically synthesized metal nanoparticles with standard lithography techniques. …”
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  17. 4257
    “…A microwave tunable metamaterial utilizing the semiconductor-to-metal transition of vanadium dioxide (VO(2)) is proposed, experimentally demonstrated and theoretically scrutinized. …”
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  18. 4258
    “…We have found that the interaction between a heteroatom in a functional α-olefin monomer and a rare-earth metal catalyst can significantly raise the olefin polymerization activity and thereby promote its copolymerization with ethylene. …”
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  19. 4259
    “…We report how it is possible to use a metal-organic framework (MOF) built with a rod-shaped inorganic secondary building unit (SBU) to combine multiple metal elements at specific positions in a manner that is controllable at atomic and mesoscopic scales. …”
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  20. 4260
    “…Hybrid normal metal/ferromagnetic, gold/permalloy (Au/Py), nanojunctions are used to investigate magnetoresistance effects and track magnetization spatial distribution in L-shaped Py nanostructures. …”
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