Mostrando 6,841 - 6,860 Resultados de 2,754,589 Para Buscar '"3 %"', tiempo de consulta: 3.83s Limitar resultados
  1. 6841
  2. 6842
    “…To reveal the effect of chlorine substituents in the ring of aromatic amine on the synthesis process of benzoxazine monomer and on its polymerization ability, as well as to develop a fire-resistant material, a previously unreported benzoxazine monomer based on 3,3′-dichloro-4,4′-diaminodiphenylmethane was obtained in toluene and mixture toluene/isopropanol. …”
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  3. 6843
    “…Here, we present the synthesis of 3,3-difluoropropen-1-yl ammonium salts (DFPAs) as stable, and scalable gem-difluoromethylation reagents, which allow for the direct reaction with a wide range of fascinating nucleophiles. …”
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  4. 6844
    “…However, for GPT-3 and similar applications to be considered for use in health-related contexts, possibilities and pitfalls need thoughtful exploration. …”
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  5. 6845
    “…Through the combination of a Ni-catalyzed alkene alkenylboration followed by hydrogenation, the synthesis of congested Csp(3)–Csp(3)-bonds can be achieved. Conditions have been identified that allow for the use of both alkenyl-bromides and -triflates. …”
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  6. 6846
    por Eggel, Matthias, Würbel, Hanno
    Publicado 2020
    “…A similar guiding principle for evaluating whether a study protocol is scientifically suitable has recently been proposed: the 3Vs principle referring to the three main aspects of scientific validity in animal research (construct, internal and external validity). …”
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  7. 6847
  8. 6848
  9. 6849
    “…During sperm-egg fusion, maternal factors participate in parental chromatin remodeling. H3.3 is a histone H3 variant that plays essential roles in mouse embryogenesis. …”
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  10. 6850
  11. 6851
    “…In mammalian genomes, differentially methylated regions (DMRs) and histone marks including trimethylation of histone 3 lysine 27 (H3K27me3) at imprinted genes are asymmetrically inherited to control parentally-biased gene expression. …”
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  12. 6852
    “…In this study, 3-benzoylisoxazolines were synthesized by reacting alkenes with various α-nitroketones using chloramine-T as the base. …”
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  13. 6853
    “…Epigenetic codes, like tri-methylation of histone H3 on Lys27 (H3K27me3), are evidenced to account for this evolutionary benefit. …”
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  14. 6854
    “…The need to evaluate the innate mechanisms of the immune response, such as TLR3 and IFN-λ3, and their relationship with the virus–host interaction is important for understanding the pathogenesis of chronic hepatitis C. …”
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  15. 6855
    “…Instead, in FAPI, interstitial water accelerates in both senses the reconstructive transformations between 3D [Formula: see text] and 1D [Formula: see text] phases, which is useful during the crystallization of the [Formula: see text] phase. …”
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  16. 6856
    “…The symmetric biphenol 3,3′,5,5′‐tetramethyl‐2,2′‐biphenol is a well‐known ligand building block and is used in transition‐metal catalysis. …”
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  17. 6857
  18. 6858
    “…The cocrystal structure of the 14-3-3 ζ protein-PPD complex showed that the main interactions occurred between the residues R56, R127, and Y128 of the 14-3-3 ζ protein and a portion of PPD. …”
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  19. 6859
    “…We report differential phase contrast scanning transmission electron microscopy (TEM) of nanoscale magnetic objects in Kagome ferromagnet Fe(3)Sn(2) nanostructures. This technique can directly detect the deflection angle of a focused electron beam, thus allowing clear identification of the real magnetic structures of two magnetic objects including three-ring and complex arch-shaped vortices in Fe(3)Sn(2) by Lorentz-TEM imaging. …”
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  20. 6860
    “…The recent advancements in graphene production and patterning, and the inclusion of two-dimensional (2D) graphenic materials in three-dimensional (3D) superstructures, further extended the number of potential applications. …”
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