Mostrando 261 - 280 Resultados de 1,181,802 Para Buscar '"c."', tiempo de consulta: 2.13s Limitar resultados
  1. 261
    “…ZrC and TiC have been proposed to be alternatives to SiC as fuel-cladding and structural materials in nuclear reactors due to their strong radiation tolerance and high thermal conductivity at high temperatures. …”
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  2. 262
    “…Carbon fiber (CF) reinforced carbon-silicon carbide (C/C-SiC) composites are one of the most promising lightweight materials for re-entry thermal protection, rocket nozzles and brake discs applications. …”
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  3. 263
    “…Radical transposition by C(sp(3))−(sp(3)) and C(sp(3))−H bond cleavage gives access to distal carbon radicals that undergo S(H)2 functionalisations. …”
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  4. 264
    por DeMaere, Matthew Z, Darling, Aaron E
    Publicado 2017
    “…BACKGROUND: Chromosome conformation capture (3C) and Hi-C DNA sequencing methods have rapidly advanced our understanding of the spatial organization of genomes and metagenomes. …”
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  5. 265
    “…Prized for their ability to rapidly generate complexity in building new ring systems and stereocenters(1), cycloadditions have featured in numerous total syntheses(2) and are a key component in the education of chemistry students(3). Similarly, CC cross-coupling methods are integral to synthesis due to their programmability, modularity, and reliability(4). …”
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  6. 266
  7. 267
  8. 268
    “…Graphitization degree of carbon matrix in ZrC-modified carbon composites is crucial to mechanical and ablation properties of the materials. …”
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  9. 269
    “…Nickel complexes have been widely employed as catalysts in CC and C–heteroatom bond formation reactions. …”
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  10. 270
    “…Vitamin C (L-ascorbic acid, AA) is an essential cellular antioxidant and cofactor for several α-ketoglutarate-dependent dioxygenases. …”
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  11. 271
    “…The fruits of Cornus mas and Cornus officinalis have been known and appreciated in folk medicine for years and have a high biological value, which is mainly connected with their polyphenols and iridoids content. However, hybrids of C. mas × C. officinalis have not been investigated. …”
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  12. 272
    “…Evidence for the relationship between chemokine (C-X-C motif) receptor 2 (CXCR2) C1208T polymorphism and susceptibility to cancer remains inconsistent. …”
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  13. 273
    “…Cytochrome P450 enzymes (CYPs) catalyze a series of C–H and C=C oxygenation reactions, including hydroxylation, epoxidation, and ketonization. …”
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  14. 274
  15. 275
    “…In a series of Pt(II) complexes [Pt(dba)(L)] containing the very rigid, dianionic, bis-cyclometalating, tridentate C^N^C(2−) heterocyclic ligand dba(2–) (H(2)dba = dibenzo[c,h]acridine), the coligand (ancillary ligand) L = dmso, PPh(3), CNtBu and Me(2)Imd (N,N’-dimethylimidazolydene) was varied in order to improve its luminescence properties. …”
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  16. 276
  17. 277
    “…Our Nuclear magnetic resonance, circular dichroism, UV, gel electrophoresis and mass spectrometry studies on the DNA sequence dCGGTGGT demonstrate that this sequence forms an octamer when annealed in presence of K(+) or NH(4)(+) ions, through the 5′-5′ stacking of two tetramolecular G-quadruplex subunits via unusual G(:C):G(:C):G(:C):G(:C) octads.…”
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  18. 278
  19. 279
    “…Oceanic methane from global deep-sea sediment is largely consumed through microbially mediated sulfate-coupled oxidation, resulting in (13)C-depleted cell biomass of anaerobic methanotrophic archaea (ANME). …”
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  20. 280
    “…In recent years, many scholars have carried out studies on c-C(4)F(8) and its gas mixture and found it has potential to be used as an environment-friendly insulating medium to replace SF(6) in medium-voltage equipment. …”
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