Mostrando 761 - 780 Resultados de 99,129 Para Buscar '" metal"', tiempo de consulta: 0.79s Limitar resultados
  1. 761
    “…The concentrations of metals, Cd, Cu, Fe, Mn, Ni, Pb, and Zn were determined in some lagoons to establish the level of metal pollution. …”
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  2. 762
  3. 763
    “…We have chosen to separate the effect of micronutrients on toxic metals into three classes: interaction between essential micronutrients and toxic metals during uptake, binding, and excretion; influence of micronutrients on the metabolism of toxic metals; and effect of micronutrients on secondary toxic effects of metals. …”
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  4. 764
  5. 765
    por Sirover, M A
    Publicado 1981
    “…The capacity of in vitro bioassays to detect the potential carcinogenicity of metal compounds is reviewed. The in vitro bioassays discussed include: bacterial reversion analysis to determine the capacity of metal salts to revert Salmonella typhimurium histidine auxotrophs or to revert Escherichia coli WP 2 tryp- to tryptophan prototrophy; examination of the ability of metal salts to preferentially inhibit cell growth in Bacillus subtilis cells deficient in DNA repair pathways; determination of the ability of metal salts to induce resistance to base analogs in mammalian cells; the capacity of metal salts to enhance viral transformation of mammalian cells or to transform cells in the absence of virus; and the ability of metal salts to induce chromosomal aberrations in mammalian cells. …”
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  6. 766
    por Krigman, M R
    Publicado 1978
    “…Demonstrative examples of the neuropathology of human heavy metal toxicity are presented. The limitations of descriptive pathology are considered, and the potentials of quantitative (morphometric) analysis for studying pathologic processes are introduced.…”
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  7. 767
    por Frazer, L
    Publicado 2000
    “…Metal contamination has been linked to birth defects, cancer, skin lesions, retardation, learning disabilities, liver and kidney damage, and a host of other maladies, and the United States alone will spend some $7 trillion over the next five years or so to clean up sites contaminated with metals. …”
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  8. 768
  9. 769
    “…Of all properties of metal nucleobase complexes, formation of multinuclear species appears to be an outstanding feature. …”
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  10. 770
    por Schaefer, Michel
    Publicado 1997
    “…The use of different metals in Magnetic Resonance Imaging will be briefly described. …”
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  11. 771
  12. 772
  13. 773
    por Lin, Chu-Hsuan, Liu, Chee Wee
    Publicado 2010
    “…Ideal UV photodetectors with high UV-to-visible rejection ratio could be demonstrated with III–V metal-insulator-semiconductor UV photodetectors. …”
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  14. 774
  15. 775
    “…A high incidence of associated infection with the use of transcutaneous metal devices has been widely reported. The aims of this study were: (1) to record the incidence of pin site infection in a Plastic Surgery department, (2) to compare the infection rate in our department with published literature and (3) to identify factors that contribute to infection. …”
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  16. 776
    por Kartouzian, Aras
    Publicado 2013
    “…A bottom-up approach to nanofabricate metallic glasses from metal clusters as building blocks is presented. …”
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  17. 777
    “…This review summarizes the current knowledge on such microbial bioreporters designed to assay metal bioavailability. Numerous bacterial metal‐sensor strains have been developed over the past 15 years, displaying very high detection sensitivities for a broad spectrum of environmentally significant metal targets. …”
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  18. 778
    “…Fermi liquid theory is remarkably successful in describing the transport and optical properties of metals; at frequencies higher than the scattering rate, the optical conductivity adopts the well-known power law behavior σ(1)(ω) ∝ ω(−2). …”
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  19. 779
    “…Identification of new players in iron metabolism, such as hepcidin, which regulates ferroportin and divalent metal transporter 1 expression, has improved our knowledge of iron metabolism and iron-related diseases. …”
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  20. 780
    por Gándara, Felipe, Bennett, Thomas D.
    Publicado 2014
    “…Metal–organic frameworks (MOFs) are one of the most intensely studied material types in recent times. …”
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