Showing 1,541 - 1,560 results of 2,288 for search '"hydrogen"', query time: 0.05s Refine Results
  1. 1541

    The hard sphere view of the outer core by George Helffrich

    Published 2015-05-01
    “…Other variants also fit core wavespeeds but require implausibly low liquid mean atomic weight implying excessive incorporation of hydrogen or helium in the core. Applied to the detailed wavespeed structure of the Earth’s outermost outer core, the model suggests that the mean atomic weight could be reduced by up to 1.74% or the temperature could be increased by up to 400 K relative to an adiabatic profile, or there could be 8% fewer valence electrons in the liquid.…”
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  2. 1542

    Charge transfer interaction of organic p-acceptors with the anti-hyperuricemic drug allopurinol: Insights from IR, Raman, 1H NMR and 13C NMR spectroscopies by Refat Moamen S., Saad Hosam A., Adam Abdel Majid A., Al-Omar Mohamed A., Naglah Ahmed M.

    Published 2016-12-01
    “…This study suggests that the complexation of Allop with either the DDQ or CHL acceptor leads to a direct p®p* transition, whereas the molecules of Allop and PA are linked by intermolecular hydrogen- bonding interactions.…”
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  3. 1543

    Potential Functions and Thermodynamic Properties of UC, UN, and UH by Shuang-Ling Tang, Yu Wang, Qi-Ying Xia, Xue-Hai Ju

    Published 2020-01-01
    “…Potential energy surface scanning for UC, UN, and UH was performed by configuration interaction (CI), coupled cluster singles and doubles (CCSD) excitation, quadratic configuration interaction (QCISD (T)), and density functional theory PBE1 (DFT-PBE1) methods in coupling with the ECP80MWB_AVQZ + 2f basis set for uranium and 6 − 311 + G∗ for carbon, hydrogen, and nitrogen. The dissociation energies of UC, UN, and UH are 5.7960, 4.5077, and 2.6999 eV at the QCISD (T) levels, respectively. …”
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  4. 1544

    Prussian Blue Analogues Derived Hollow FeCoP Nanocubes for Electrocatalytic Overall Water Splitting by Yuzhi LI, Jinyu WANG, Shuai ZOU, Aihong WANG, Huize JIANG, Kaibo WANG

    Published 2025-01-01
    “…Cleverly designing and synthesizing bifunctional electrocatalysts with high activity and exceptional stability for hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) hold profound importance in the realm of renewable energy technologies. …”
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  5. 1545

    Renewable energy and the role of molten salts and carbon by Fray D.

    Published 2013-01-01
    “…Although these cells cannot be considered as renewable as the fuel, hydrogen or carbon monoxide is consumed and not regenerated, the excellent reliability of such a cell can act as a stimulus to innovative development of similar cells with different outcomes. …”
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  6. 1546

    Adsorption of Atenolol on Talc: An Indication of Drug Interference with an Excipient by Zhaohui Li, Nicole M. Fitzgerald, Guocheng Lv, Wei-Teh Jiang, Limei Wu

    Published 2015-04-01
    “…The Fourier transform infrared results showed blue shifts of the bands corresponding to δ(C–OH) at 1410 and 1043 cm −1 , indicating hydrogen bonding for the uptake of AT on talc surfaces or edges.…”
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  7. 1547

    Synthesis, docking, pharmacokinetic prediction, and acetylcholinesterase inhibitory evaluation of N-(2-(piperidine-1-yl)ethyl)benzamide derivatives as potential anti-Alzheimer agen... by Ahmad Mohammadi-Farani, Farzaneh Moradi, Amin Hosseini, Alireza Aliabadi

    Published 2024-12-01
    “…Molecular docking showed a significant hydrogen bonding of the carbonyl group of compounds 5d with tyrosine 121 into the active site of acetylcholinesterase. …”
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  8. 1548

    Application of Attapulgite Clay-Based Fe-Zeolite 5A in UV-Assisted Catalytic Ozonation for the Removal of Ciprofloxacin by Amir Ikhlaq, Rahat Javaid, Asia Akram, Umair Yaqub Qazi, Javeria Erfan, Metwally Madkour, Mohamed Elnaiem M. Abdelbagi, Sami M. Ibn Shamsah, Fei Qi

    Published 2022-01-01
    “…The results also show that synergic processes produce less off-gas ozone than other processes, suggesting more ozone consumption in the synergic process, and confirmed by the radical scavenger effect and hydrogen peroxide decomposition studies. The Fe-Z5A was found to operate through a hydroxyl mechanism in which Fe worked as an active site that promotes the formation of hydroxyl radicals. …”
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  9. 1549

    Potential for biogas production from the anaerobic digestion of chicken droppings in Morocco by Ouahid Elasri, Mohamed El Amin Afilal

    Published 2024-01-01
    “…After pretreatment (heating and grinding), this waste produced a large quantity of biogas, on the order 230,58 ml/gCOD, equivalent to 64.4 m3 for one ton of fresh waste, with 60.2 % methane, 38.8 % carbon dioxide and 0 % hydrogen. This biogas production has a lower heating value of 385 kWh for one ton of chicken droppings. …”
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  10. 1550

    Positive Response of Hyoscyamus pusillus Callus Cultures to Exogenous Melatonin on Biochemical Traits and Secondary Metabolites under Drought Conditions by Shamil I. Neamah, Nisreen A. Jdayea

    Published 2022-01-01
    “…Results showed an increase in oxidative stress in tissue treated with PEG due to a significant increase in the content of hydrogen peroxide (H2O2) and malondialdehyde (MDA). …”
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  11. 1551

    In Silico Analysis on the Interaction of Haloacid Dehalogenase from Bacillus cereus IndB1 with 2-Chloroalkanoic Acid Substrates by Enny Ratnaningsih, Saepulloh Saepulloh

    Published 2022-01-01
    “…Further analysis revealed the role of Met1, Asp2, Cys33, and Lys204 residues in orienting the carboxylic group of 2-chloroalkanoic acids in the active site of this enzyme through hydrogen bonds. This research proved that computational studies could be used to figure out the effect of substrates enantiomer and length of carbon skeleton to Bcfd1 affinity toward 2-chloroalkanoic acids.…”
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  12. 1552

    Pilot-Scale Removal of Trace Steroid Hormones and Pharmaceuticals and Personal Care Products from Municipal Wastewater Using a Heterogeneous Fenton’s Catalytic Process by George Tangyie Chi, John Churchley, Katherine D. Huddersman

    Published 2013-01-01
    “…A continuous stir tank reactor incorporating a modified polyacrylonitrile (PAN) catalyst and dosed with hydrogen peroxide in a heterogeneous Fenton’s process was used at pilot scale to remove these compounds from wastewater that has undergone previous treatment via a conventional wastewater treatment system. …”
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  13. 1553

    RP-HPLC Method for the Determination of Cinitapride in the Presence of its Degradation Products in Bulk Drug by S. M. N. Roy, Kiran V. Mangaonkar, A. Y. Desai, Santosh M. Yetal

    Published 2010-01-01
    “…A reverse phase HPLC method is described for the determination of cinitapride hydrogen tartrate in the presence of its degradation products in bulk drug. …”
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  14. 1554

    Protonation and Solvation Thermodynamics of Some Naphthol Derivatives in KCl Aqueous Solution of Different Ionic Strengths by Farid I. El-Dossoki

    Published 2016-01-01
    “…The results reveal that naphthalen-1-ol and naphthalene-1,5-diol molecules have two ionisable protons (of the hydroxyl groups) while 4-amino-3-hydroxynaphthalene-1-sulphonic acid has three ionisable protons (hydrogen ion of the hydroxyl group, SO3H, and NH3+). …”
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  15. 1555

    Molecular docking of phytosterols in Stenochlaena palustris as anti-breast cancer by Dona Marisa, Lisda Hayatie, Siti Juliati, Eko Suhartono, Noer Komari

    Published 2021-12-01
    “…Results: Alpha-tocopherol showed the highest interaction with the estrogen receptor with ΔG value -8. 9254 kcal/mol (the native ligand, raloxifene, had a G value of -12.052 kcal/mol). Leu387 (hydrogen bond); Phe404 (Phi-phi-T shaped), Leu391, Leu346, Trp383, Leu354, Ala350, Leu525, Leu349 (Alkyl) were among the residues by which a-tocopherol interacted with ER. …”
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  16. 1556

    Biallelic mutations in CDC20 cause female infertility due to oocyte maturation abnormality by Guangzhong Jiao, Jinhao Xing, Zhaoli Du, Hongchu Bao, Xiaoyan Liu

    Published 2025-12-01
    “…Based on the three-dimensional (3D) structures of the CDC20 protein used to assess the effect of the mutant, the mutant causes a change in hydrogen bond in the protein structure, which may affect the stability of the mutant protein. …”
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  17. 1557

    Molecular mechanisms of bitterness and astringency in the oral cavity induced by soyasaponin by Lijie Zhu, Yueying Pan, Yingyan Li, Yingjie Zhou, He Liu, Xiuying Liu

    Published 2024-11-01
    “…Ssa monomers and soyasapogenols bind to bitter receptors/mucin via hydrogen bonding and hydrophobic interactions. Class A Ssa binds more strongly than class B Ssa, and thus likely presents a higher BA. …”
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  18. 1558

    The Effects of Dilute Sulfuric Acid on Sheet Resistance and Transmittance in Poly(3,4-thylenedioxythiophene): Poly(styrenesulfonate) Films by Teen-Hang Meen, Kan-Lin Chen, Yu-Hao Chen, Wen-Ray Chen, Dei-Wei Chou, Wen-How Lan, Chien-Jung Huang

    Published 2013-01-01
    “…The nonconductive anions of some PSS− were substituted by the conductive anions of hydrogen sulfate (HSO4-) when the residual H2SO4 reacted with PSS. …”
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  19. 1559

    Molecular dynamics simulations reveal key roles of the LIF receptor in the assembly of human LIF signaling complex by Bo Gao, Hanrui Liu, Mengkai Zhu, Shun Zhang, Meiniang Wang, Yijun Ruan, Yue Zheng

    Published 2025-01-01
    “…Key residues F178 and K181 in FXXK motif, along with K124 in LIF helix B, mediate hydrophobic interactions, hydrogen bonding and allosteric regulation, collectively stabilizing the LIF-LIFR interaction. …”
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  20. 1560

    Effects of Industrial Wastewater on Water Quality Tigris River at Baghdad Using (GIS) Technique by Sahar Isam Wadeea, Rana Mozahim Hamdoon, Mudhaffar Sadiq Al-Zuhairy

    Published 2022-12-01
    “…Five water quality parameters were considered, those are Hydrogen Ion Concentration (pH), Biochemical Oxygen Demand (BOD5), Chemical Oxygen Demand (COD), Sulfate (SO4), Phosphate (PO4), and Total Suspended Solids (TSS) for the period (2020 to 2021).  …”
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