Mostrando 4,401 - 4,420 Resultados de 99,129 Para Buscar '" metal"', tiempo de consulta: 0.44s Limitar resultados
  1. 4401
    por Chedid, Georges, Yassin, Ali
    Publicado 2018
    “…The discovery of new types of materials sparked the study of their properties followed by applications ranging from separation, catalysis, optoelectronics, sensing, drug delivery and biomedicine, and many other uses in different fields of science. Metal organic frameworks (MOFs) and covalent organic frameworks (COFs) are a relatively new type of materials with high surface areas and permanent porosity that show great promise for such applications. …”
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  2. 4402
    “…Metal storage disorders (MSDs) are a set of rare inherited conditions with variable clinical pictures including neurological dysfunction. …”
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  3. 4403
    “…These coordination polymers, known as metal-organic frameworks (MOFs), contain organic ligands or complexes connected by metal ions or clusters, which give rise to a 1-, 2- or 3-D network. …”
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  4. 4404
    “…On the basis of their properties, several mono-, bi-, tri-, tetra- or polydentate ligands have been designed for specific recognition of some particular radionuclides, and can be used in the processes of nuclear waste remediation, i.e., recycling of nuclear fuel and the separation of actinides and fission products from waste solutions or for analytical determination of actinides in solutions; actinide metal complexes are also usefulas catalysts forcoupling gaseous carbon monoxide, as well as antimicrobial and anti-fungi agents due to their biological activity. …”
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  5. 4405
    “…The subject of catalysis by coinage metals (copper, silver, and gold) comes up increasingly day-by-day. …”
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  6. 4406
    “…[Image: see text] Alfred Werner’s work on the geometric aspects of how ligands bind to metal ions at the end of the 19th century has given rise, in the molecular realm, to organometallic, bioinorganic, and cluster chemistries. …”
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  7. 4407
    “…We examined the accumulation of polycyclic aromatic hydrocarbons (PAHs), alkyl PAHs, and toxic metals in soils by the roots of Echinacea purpurea (L.) …”
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  8. 4408
    “…The diverse chemical and structural properties of metal–organic frameworks (MOFs) make them attractive for myriad applications, but their native powder form is limiting for industrial implementation. …”
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  9. 4409
    “…OBJECTIVE: The aim of this study was to analyze the surface composition, roughness, and relative friction of metal clips from various ceramic self-ligating brackets. …”
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  10. 4410
    por Sun, Julia B., Almquist, Benjamin D.
    Publicado 2018
    “…The catalytic enhancement of etching requires direct Si-metal interfacial contact, similar to metal-assisted chemical etching (MACE), but is different in terms of the etching mechanism. …”
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  11. 4411
    por Wasel, Ola, Freeman, Jennifer L.
    Publicado 2018
    “…Tungsten is a refractory metal that is used in a wide range of applications. …”
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  12. 4412
    por Carrasco, Sergio
    Publicado 2018
    “…This review focuses on the fabrication of biosensors using metal-organic frameworks (MOFs) as recognition and/or transducer elements. …”
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  13. 4413
    “…This shows the extent and size of the problem posed by exposure to heavy metal mixtures in regard to public health.…”
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  14. 4414
    “…This research work focusses on the bonding of immiscible Mg/steel dissimilar metals: First, an Mg/steel interface layer was designed by controlling the composition of added alloy elements and trace elements in the base metal. …”
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  15. 4415
    “…Transition metal dichalcogenide (TMD) quantum dots (QDs) are fundamentally interesting because of the stronger quantum size effect with decreased lateral dimensions relative to their larger 2D nanosheet counterparts. …”
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  16. 4416
    “…The presence of metals in the environment is a matter of concern, since human activities are the major cause of pollution and metals can enter the food chain and bioaccumulate in hard and soft tissues/organs, which results in a long half-life of the metal in the body. …”
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  17. 4417
    “…The metallic behavior of σ possessing larger magnitude exceeding 600 S cm(−1) leads to a colossal value of S(2)σ = 2.3 W m(–1) K(–2). …”
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  18. 4418
    “…Metal–organic frameworks (MOFs) have unique properties which make them perfectly suited for various adsorption and separation applications; however, their uses and efficiencies are often hindered by their limited stability. …”
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  19. 4419
    “…The influence of pseudodoping on the formation of many-body states in two-dimensional metallic materials is analyzed, shedding light on utilizing pseudodoping to control electronic phase diagrams.…”
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  20. 4420
    “…Herein, we summarize the current knowledge on metal- and semimetal-containing molecules capable of hampering mammalian TrxRs, with an emphasis on compounds reported in the last decade.…”
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