Mostrando 1,621 - 1,640 Resultados de 91,670 Para Buscar '"chemistry"', tiempo de consulta: 0.30s Limitar resultados
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    “…For most of Earth’s history, the ocean’s interior was pervasively anoxic and showed occasional shifts in ocean redox chemistry between iron-buffered and sulfide-buffered states. …”
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  12. 1632
    por Ionita, Petre
    Publicado 2021
    “…Since the discovery in 1922 of 2,2-diphenyl-1-(2,4,6-trinitrophenyl) hydrazyl stable free radical (DPPH(·)), the chemistry of such open-shell compounds has developed continuously, allowing for both theoretical and practical advances in the free radical chemistry area. …”
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    “…[Image: see text] The present study of the chemistry of short-lived α-fluorocarbocations reveals that even inactive methyl carbons can serve as nucleophiles, attacking a cationic center. …”
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    por Freund, Christian, Schwarzer, Dirk
    Publicado 2021
    “…The transpeptidase sortase A of Staphylococcus aureus (Sa‐SrtA) is a valuable tool in protein chemistry. The native enzyme anchors surface proteins containing a highly conserved LPxTG sorting motif to a terminal glycine residue of the peptidoglycan layer in Gram‐positive bacteria. …”
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  19. 1639
    por Mills, David P., Evans, Peter
    Publicado 2021
    “…Heterocyclopentadienyl complexes can exhibit properties that complement and contrast with Cp(R) chemistry. Given that there has been renewed interest in phospholyl and arsolyl f‐block chemistry in the last two decades, coinciding with a renaissance in f‐block solution chemistry, a review of this field is timely. …”
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