Mostrando 1,321 - 1,340 Resultados de 99,129 Para Buscar '" metal"', tiempo de consulta: 0.45s Limitar resultados
  1. 1321
  2. 1322
    “…Under elastic loading conditions we monitor the four-point resistance of individual metallic nanowires as a function of strain and different levels of electrical stress. …”
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  3. 1323
    “…Crystalline metal organic framework (MOF) materials containing interconnected porosity can be chemically modified to promote stimulus-driven (light, magnetic or electric fields) structural transformations that can be used in a number of devices. …”
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  4. 1324
    “…Here we review the relationships between ancient atmospheric conditions, metal ion bioavailability and adaptation of metals homeostasis during early evolution. …”
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  5. 1325
    “…Metal nanowires (NWs) have attracted much attention because of their high electron conductivity, optical transmittance, and tunable magnetic properties. …”
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  6. 1326
  7. 1327
  8. 1328
  9. 1329
    “…Defect engineering in metal–organic frameworks (MOFs) is an exciting concept for tailoring material properties, which opens up novel opportunities not only in sorption and catalysis, but also in controlling more challenging physical characteristics such as band gap as well as magnetic and electrical/conductive properties. …”
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  10. 1330
    “…This produces high-density (10(19) to 10(20) cm(−3)) low-resistivity (10(−4)Ω · cm) metallic germanium of precisely defined thickness, beyond the capabilities of diffusion-based doping technologies. …”
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  11. 1331
    “…We present experimental measurements of containerlessly processed metallic liquids that suggest that log(η/η(o)) as a function of T(A)/T is a potentially universal scaled curve. …”
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  12. 1332
  13. 1333
    “…Although many researchers suggested the theoretical work using continuum mechanics in order to estimate the mechanical properties of the metallic composites, a clear determination has yet not to be proven by systematic experimental works. …”
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  14. 1334
    “…Our objective was to evaluate the relationship of urine metals including barium, cadmium, cobalt, cesium, molybdenum, lead, antimony, thallium, tungsten, and uranium with diabetes prevalence. …”
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  15. 1335
    “…Here we survey and assess reported data for T(L), T(g), t(rg), m and τ(X)* for a broad range of metallic glasses with widely varying τ(X)*. By analysing this database, we derive a simple empirical expression for τ(X)*(t(rg), m) that depends exponentially on t(rg) and m, and two fitting parameters. …”
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  16. 1336
    “…With damage tolerance rivalling advanced engineering alloys and thermoplastic forming capabilities analogous to conventional plastics, metallic glasses are emerging as a modern engineering material. …”
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  17. 1337
    “…We analyze the underlying structural order that transcends liquid, glass and crystalline states in metallic systems. A genetic algorithm is applied to search for the most common energetically favorable packing motifs in crystalline structures. …”
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  18. 1338
    por Nam, Hyeong Seok, Kang, Dae Hwan
    Publicado 2016
    “…Compared with plastic stents, a self-expandable metallic stent (SEMS) has been used for management in patients with malignant strictures because of a larger lumen and longer stent patency. …”
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  19. 1339
    “…Over 50 years ago, Anderson and Blount discussed symmetry-allowed polar distortions in metals, spawning the idea that a material might be simultaneously metallic and ferroelectric. …”
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  20. 1340
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