Showing 1,341 - 1,360 results of 2,288 for search '"hydrogen"', query time: 0.04s Refine Results
  1. 1341

    On the synthesis of Bi-based precursors for lead-free solders development by Gandova V., Lilova K., Malakova H., Huber B., Milcheva N., Ipser H., Vrestal J., Vassilev G.

    Published 2010-01-01
    “…Thereafter, all mixtures were reduced by using hydrogen gas. Both, the initial mixtures and the reduced samples were studied by X-ray diffraction, optical and scanning electron microscopes. …”
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  2. 1342

    Investigation and Optimization of Adhesive Structure Formation on Shell Limestone Surfaces by Andrii Kolesnykov, Mykola Khlytsov, Svitlana Semenova, Mario Šercer

    Published 2025-01-01
    “…The key physicochemical and mechanical factors determining adhesion are analyzed, including molecular forces, hydrogen bonds, electrostatic interactions, acid-base interactions, as well as the effect of humidity on adhesion. …”
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  3. 1343

    In Vitro Antimicrobial Activity Evaluation of a Novel Fitostimoline® Plus Spray Formulation by Maria Domenica Falciglia, Roberta Palladino, Barbara Maglione, Giulia Schiavo

    Published 2021-01-01
    “…., povidone-iodine), hydrogen peroxide, and polyhexanide. This study aims to investigate the in vitro antibacterial activity of a novel topical spray (Fitostimoline® Plus spray) based on 0.1% polyhexanide and Rigenase® against S. aureus, P. aeruginosa, K. pneumoniae, and the combination of S. aureus and K. pneumoniae. …”
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  4. 1344

    FTIR and Raman Spectroscopy Study of Soot Deposits Produced in the Infrared Multiphoton Dissociation of Vinyl Bromide by B. Samoudi, O. Bendaou, I. Hanafi, A. Asselman, K. Haboubi

    Published 2022-01-01
    “…Our samples’ Raman spectroscopy has been compared to Tamor and Vassell’s research, which may indicate that they have a lesser degree of hardness and density than these authors’ results, indicating a larger hydrogen content in our samples. The optical gap has been calculated, yielding a very limited range of values ranging only between 1.0 and 1.2 eV, resulting in a crystalline size of 0.58 to 1.12 nm.…”
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  5. 1345

    NEW MX2 AND M’Cl3 (M = Cu, Zn; M’= Y, Dy, Pr; X = Cl, Br) MALEATO COMPLEXES AND TETRAPHENYLANTIMONY FORMIATE ADDUCT: SYNTHESIS AND INFRARED STUDY by DAME SEYE, CHEIKH ABDOUL KHADIR DIOP, ASSANE TOURE, LIBASSE DIOP

    Published 2018-03-01
    “…For compounds containing a protonated amine or a methanol molecule, when hydrogen bonds are considered a supramolecular architecture may be obtained. …”
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  6. 1346

    Separation of heavy metals using aqueous two-phase systems based on choline chloride/urea and betaine/urea deep eutectic solvents by Atefeh Sadeghi, Gholamreza R. Pazuki

    Published 2025-01-01
    “…In this research, aqueous two-phase systems based on two deep eutectic solvents, choline chloride/urea and betaine/urea, along with dipotassium hydrogen phosphate, were used as environmentally friendly systems to extract hexavalent chromium. …”
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  7. 1347

    Effect of Pretreatment with Sulfuric Acid on Catalytic Hydrocracking of Fe/AC Catalysts by Ruiyu Wang, Fei Wang, Ling Liu

    Published 2017-01-01
    “…The reaction was conducted in cyclohexane under 0.8 Mpa of initial hydrogen pressure at 310°C. The reaction mixture was extracted with petroleum ether and analyzed by GC/MS. …”
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  8. 1348

    A Toolbox for Predicting G-Quadruplex Formation and Stability by Han Min Wong, Oliver Stegle, Simon Rodgers, Julian Leon Huppert

    Published 2010-01-01
    “…G-quadruplexes are four stranded nucleic acid structures formed around a core of guanines, arranged in squares with mutual hydrogen bonding. Many of these structures are highly thermally stable, especially in the presence of monovalent cations, such as those found under physiological conditions. …”
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  9. 1349

    Simplified Modeling and Simulation of Electricity Production from a Dish/Stirling System by Mahamat Hassane Babikir, Venant Sorel Chara-Dackou, Donatien Njomo, Mahamat Barka, Mahamoud Youssouf Khayal, Daniel Roméo Kamta Legue, Jean Paul Gram-Shou

    Published 2020-01-01
    “…In this paper, we present a theoretical study of the performances of the Dish/Stirling system with the purpose of producing electricity, based on a mathematical model taking into account each of the subparts of the system (concentrator, solar cavity receiver, and Stirling engine). Hydrogen is preferred to helium as the working fluid for operating the Stirling engine at high temperatures. …”
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  10. 1350

    The Substitution Effect on Reaction Enthalpies of Antioxidant Mechanisms of Juglone and Its Derivatives in Gas and Solution Phase: DFT Study by Aymard Didier Tamafo Fouegue, Désiré Bikélé Mama, Julius Numbonui Ghogomu, Younang Elie, Marie-Annie Etoh

    Published 2018-01-01
    “…Three major antioxidant mechanisms (hydrogen atom transfer (HAT), single electron transfer-proton transfer (SET-PT), and sequential proton loss electron transfer (SPLET)) have been investigated in five solvents and in the gas phase. …”
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  11. 1351

    Pexophagy: The Selective Degradation of Peroxisomes by Andreas Till, Ronak Lakhani, Sarah F. Burnett, Suresh Subramani

    Published 2012-01-01
    “…Despite the existence of great diversity among different species, cell types, and under different environmental conditions, peroxisomes contain enzymes involved in β-oxidation of fatty acids and the generation, as well as detoxification, of hydrogen peroxide. The exigency of all eukaryotic cells to quickly adapt to different environmental factors requires the ability to precisely and efficiently control peroxisome number and functionality. …”
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  12. 1352

    Impact of Coolant Operation on Performance and Heterogeneities in Large Proton Exchange Membrane Fuel Cells: A Review by Marine Cornet, Erwan Tardy, Jean-Philippe Poirot-Crouvezier, Yann Bultel

    Published 2024-12-01
    “…Most studies focus on the influence of gas flow-field design and inlet hydrogen and air flow conditioning, and less attention has been paid to the coolant operating condition. …”
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  13. 1353

    Theoretical Study of the Adsorption of 2-Propanol onto Silica Surfaces on the Basis of and Density Functional Calculations by Mariam R. Abdallah, Muhammad A. Hasan, Mohamed I. Zaki

    Published 2009-04-01
    “…The results favoured a most likely surface configuration for the physisorbed species in which 2-PrOH molecules are bound to exposed silanol groups via two hydrogen bonds, with the alcoholic –OH group acting simultaneously as a proton acceptor and donor. …”
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  14. 1354

    Advancements in Nanorobots: Innovating Bladder Cancer Treatments, Diagnosis and Patient Outcomes by Zehra Hussain, Alyssa Di Fonzo, Hermela Merhawi, Mary Gallant, Robert Girlan, Muhammad Hasibul Hasan

    Published 2025-01-01
    “…Common materials are considered, focusing on size, shape, surface charge, and surface area. While both hydrogen peroxide and urease-driven nanorobots are considered potential fuels for MNRs, urease is regarded as a more biocompatible solution, making it a promising option for cancer treatment. …”
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  15. 1355

    Sensitive Electrochemical Detection of Glucose at Glucose Oxidase-Cobalt Phthalocyanine-Modified Boron-Doped Diamond Electrode by Takeshi Kondo, Masaru Horitani, Makoto Yuasa

    Published 2012-01-01
    “…Electrochemical detection of glucose was achieved at a glucose oxidase (GOx)-cobalt phthalocyanine (CoPc)-modified boron-doped diamond (BDD) electrode without any additional electron mediator in the electrolyte solution. The surface of the hydrogen-terminated BDD thin film prepared by microwave plasma-assisted CVD was modified with 4-vinylpyridine (4VP) via photochemical modification. …”
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  16. 1356

    Influence of seed moisture content and storage period on germination and biochemical indices: Lallemantia iberica and Lallemantia royleana by Saeideh Maleki Farahani, Alireza Rezazadeh, Arezoo Paravar

    Published 2025-02-01
    “…As a result, the cell membrane of L. iberica seeds was damaged, resulting in an increase in electrical conductivity, hydrogen peroxidase and malondialdehyde contents compared to L. royleana. …”
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  17. 1357

    Nitrogen Incorporation in TiO2: Does It Make a Visible Light Photo-Active Material? by B. Viswanathan, K. R. Krishanmurthy

    Published 2012-01-01
    “…The possibility of hydrogen production by photo-catalytic decomposition of water on titania has provided the incentive for intense research. …”
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  18. 1358

    Free Radicals and Extrinsic Skin Aging by Borut Poljšak, Raja Dahmane

    Published 2012-01-01
    “…The primary mechanism by which UVR initiates molecular responses in human skin is via photochemical generation of ROS mainly formation of superoxide anion (O2−•), hydrogen peroxide (H2O2), hydroxyl radical (OH•), and singlet oxygen (1O2). …”
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  19. 1359

    A Study to Evaluate the Effectiveness of Various Disinfectants for Extracted Human Teeth - A Comparative Study by Himanshu Srivastava, Sameera Mohd Rehman Qureshi, Chintu Kumar Singh, Santoshkumar Pandurang Mastud, Amit Handa, Manish Kumar Shukla

    Published 2023-07-01
    “…The objectives were to assess the effectiveness of 5% vinegar, 3% hydrogen peroxide, 70% alcohol, and 5.25% sodium hypochlorite for disinfection of extracted human teeth. …”
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  20. 1360

    Mercury Monohalides as Ligands in Transition Metal Complexes by Matteo Busato, Jesús Castro, Domenico Piccolo, Marco Bortoluzzi

    Published 2025-01-01
    “…According to the isolobality with hydrogen, {Hg-Y} can form from one to three M-{Hg-Y} bonds, but further interactions can be present, such as mercurophilic and Hg···halide contacts. …”
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