Mostrando 221 - 240 Resultados de 44,763 Para Buscar '"fe"', tiempo de consulta: 0.26s Limitar resultados
  1. 221
  2. 222
    “…In the present work we describe the synthesis and study of a Ru(II)–Fe(II) chromophore–catalyst assembly designed to perform the light-induced activation of an iron bound water molecule and subsequent photo-driven oxidation of a substrate. …”
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  3. 223
    “…This research explores the welding process of a high-entropy CrMnFeCoNi alloy with iron, unraveling the intricate chemical compositions that materialize in distinct regions of the weld joint. …”
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  4. 224
    “…Here, we have focused on the integration of a biomimetic {Fe(2)(μ-adt)(CO)(6)} (–CH(2)NHCH(2)S–, azadithiolate or adt(2−)) based active site (“[2Fe2S](adt)”), inspired by the catalytic cofactor of [FeFe] hydrogenases, within a synthetic polymeric scaffold using free radical polymerization. …”
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  5. 225
    “…The fused bis-butterfly-shaped title compound, [Fe(4)(CS(4))(CO)(12)], possesses an orthothio­carbonate (CS(4) (4−)) ligand that acts as a bridge between two Fe(2)(CO)(6) units. …”
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  6. 226
    “…The FeCo/Fe(3)O(4) nanocomposite was synthesized using the hydrothermal approach, in which the FeCo alloy and Fe(3)O(4) are formed by one step. …”
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  7. 227
    “…BACKGROUND: In order to understand the effects of FeS cluster attachment in [NiFe] hydrogenase, we undertook a study to substitute all 12 amino acid positions normally ligating the three FeS clusters in the hydrogenase small subunit. …”
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  8. 228
    “…[Image: see text] The [FeFe]-hydrogenase enzymes catalyze hydrogen oxidation and production efficiently with binuclear Fe metal centers. …”
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  9. 229
    “…The fluid collected by direct leaf centrifugation has been used to study the proteome of the sugar beet apoplastic fluid as well as the changes induced by Fe deficiency and Fe resupply to Fe-deficient plants in the protein profile. …”
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  10. 230
    “…Using femtosecond time-resolved hard x-ray diffraction, we investigate the structural dynamics of the orthorhombic distortion in the Fe-pnictide parent compound BaFe(2)As(2). The orthorhombic distortion analyzed by the transient splitting of the (1 0 3) Bragg reflection is suppressed on an initial timescale of 35 ps, which is much slower than the suppression of magnetic and nematic order. …”
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  11. 231
    “…A new thermodynamically self-consistent (TSC) method, based on the quasi-harmonic approximation (QHA), is used to obtain the Debye temperatures of LiFePO(4) (LFP) and FePO(4) (FP) from available experimental specific heat capacities for a wide temperature range. …”
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  12. 232
    “…To obtain the optimal 1:1 composition of FePt alloy nanomaterials by polyol synthesis, the iron precursor (iron pentacarbonyl, Fe(CO)(5)) must be used in excess, because the Fe(CO)(5) exists in the vapor phase at the typical temperatures used for FePt synthesis and cannot be consumed completely. …”
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  13. 233
  14. 234
    “…Such an iron gradient is often interpreted as a redox interface where dissolved Fe(II) was oxidized and precipitated as Fe(III)-bearing minerals. …”
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  15. 235
    “…We synthesized a Fe-based superconductor (FeSC), (La,Na,K)Fe(2)As(2), and characterized its superconducting properties. …”
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  16. 236
    “…They result from transformation of a molecular iron phosphide precursor, containing a [Fe(2)P(3)] core with mixed-valence Fe(II)Fe(III) sites bridged by an asymmetric cyclo-P((2+1))(3–) ligand. …”
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  17. 237
    “…A synthetic pyridylphosphole‐appended [FeFe] hydrogenase mimic was encapsulated inside a supramolecular zinc porphyrin‐based metal–organic cage structure Fe(4)(Zn‐L)(6). …”
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  18. 238
    “…The influence of Fe speciation on the decomposition rates of N(2)O over Fe–ZSM-5 catalysts prepared by Chemical Vapour Impregnation were investigated. …”
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  19. 239
    “…Iron(III)-precipitates formed by the oxidation of dissolved Fe(II) are important sorbents for major and trace elements in aquatic and terrestrial systems. …”
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  20. 240
    “…Detailed structural and chemical analysis via X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and energy-dispersive X-ray spectroscopy (EDS) reveal that this layer consists of two types of unexpected Fe-Te nanostructures: one is FeTe thin layer formed near the surface, and the other is FeTe(2) nanorod embedded in the Bi(2)Te(3) layer. …”
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