Mostrando 3,001 - 3,020 Resultados de 10,256 Para Buscar '"donating"', tiempo de consulta: 0.43s Limitar resultados
  1. 3001
    “…The implemented protocol tolerates a variety of electron-donating and electron-withdrawing functional groups, including halides, phenols, nitriles, unprotected amines, and heterocycles. …”
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  2. 3002
    por Zhou, Huaxi, Xiao, Dongxue
    Publicado 2022
    “…The decay rate of FAC increased upon increasing the electron-donating capacity of NOM, which indicated that phenolic components play a significant role in the photodegradation of FAC. …”
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  3. 3003
    por Chegini, Azita
    Publicado 2022
    “…This happens due to the limitations of attendance of donors in blood centers, lack of awareness, misinformation, fear of being infected while donating blood, and restricting the freedom of blood collection teams to attend public places. …”
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  4. 3004
    por Hu, Zheyao, Marti, Jordi
    Publicado 2022
    “…Such derivatives were obtained by the substitution of a single hydrogen site of benzothiadiazine by two different classes of chemical groups, one of them electron-donating groups (methyl and ethyl) and another one by electron-accepting groups (fluorine and trifluoromethyl). …”
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  5. 3005
    “…In order to address this problem, we report a simple and efficient approach to iohexol abatement by a combined Cu(2)S and sulfite process (simplified as Cu(2)S/sulfite process) based on the superior activation performance of copper and the excellent electron donating capacity of the low-valent sulfur species. …”
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  6. 3006
    “…Based on the calculations of density functional theory (DFT), we found that the stronger electron-donating ability of a functional group will increase the polarizability of the ligand, and thus increase the adsorption capacity to Kr. …”
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  7. 3007
    “…It was revealed that the base strength of the oxygen atoms with negative charge (O(δ−)) in the zeolite framework can be strengthened by the electron donating function of the alkali oxides in the supercage of CsX. …”
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  8. 3008
    “…Results show that the FHT reaction is the mechanism responsible for the radical scavenging activity of the complex towards HO˙, HOO˙, NO˙ and DPPH˙ radicals while ABTS˙(+) seems to be scavenged by an electron-donating mechanism. The FHT was further determined as a hydrogen-atom transfer but not a proton-couple electron transfer mechanism.…”
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  9. 3009
    “…UB and UC exhibited superior anticorrosion efficiency compared to UA originating from the electron-donating methoxy and ethoxy group substitutions, respectively. …”
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  10. 3010
    “…Our findings demonstrate that the adsorption mechanism depends on the electron-donating abilities of the S and P atoms. Moreover, the Langmuir model gives the best fit for the isotherm data, and the adsorption efficiency of the ACCE/G is still over 80% after eight times of recycling, making ACCE/G a valuable candidate for the removal of OPPs.…”
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  11. 3011
    “…Two subseries of aminated quinolinequinones (AQQs, AQQ1–16) containing electron-withdrawing group (EWG) or electron-donating group (EDG) in aryl amine moiety were successfully synthesized. …”
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  12. 3012
    “…The most common repurposing strategies included donation and composting. Top barriers to food donation included liability concerns and lack of labor. …”
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  13. 3013
    “…With the introduction of electron-donating moieties and the extension of conjugation length, a series of changes in photophysical and electrochemical properties could be detected. …”
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  14. 3014
  15. 3015
    “…Despite the fact that some religious traditions, such as Jewish and Muslim, prohibit the ingestion of pork products, few religious leaders consider that donating porcine organs is ethical because it saves human life. …”
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  16. 3016
    “…ROS and other free radicals are highly reactive molecules because their outer orbitals have one or more unpaired electrons and can be neutralized by electron-donating compounds, such as antioxidants. Examples of natural antioxidant compounds are vitamin C, vitamin E, and beta-carotene. …”
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  17. 3017
    “…[Image: see text] Dithienosilole moiety is an electron donating unit, and it has been applied, for example, as a part of small molecular and polymeric electron donors in high performance organic photovoltaic cells. …”
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  18. 3018
    “…Proficiency of the cross-coupling reductive elimination strongly depends on both π-accepting and σ-donating effects of the Fe(II)-ligated Ar′ ring. The reactivity trends discussed in this article rely on two-electron elementary steps, which are in contrast with the usually described tendencies in iron-mediated oxidative homocouplings which involve single-electron transfers. …”
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  19. 3019
    “…The resulting persulfide adducts (R‐S‐S‐Alk) rapidly convert into the corresponding thioethers (R‐S‐Alk) by donating sulfur to ambient nucleophilic acceptors. …”
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  20. 3020
    por Roy, Sunanda, Van Hai, Le, Kim, Jaehwan
    Publicado 2019
    “…Being amine-rich with high electron-donating capability and mechanically robust, the nanocomposite served as an outstanding tribopositive material, thereby generating 7.49 V and 4.06 μA output voltage and current, respectively, when employed in a triboelectric nanogenerator (TENG). …”
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