Showing 561 - 580 results of 1,089 for search '"catalyst"', query time: 0.05s Refine Results
  1. 561

    Synthesis, Characterization and Spectroscopic Studies of A Novel 2-[(E)-[(2,4-dichlorophenyl)imino]methyl]phenol Schiff Base and Its Metal Complexes by Eman Turky Shamkhy, Isam Hussain T. Al-Karkhi

    Published 2012-01-01
    “…A novel Schiff base 2-{(E)-[(2,4-dichlorophenyl)imino]methyl}phenol (LB) was synthesized from the condensation reaction of 2,4-dichloroaniline with salicyladehyde in [1:1] ratio in the presence of glacial acetic acid as catalyst. Complexation reaction of this Schiff base with copper (II), cobalt (II) as nitrate salts and with Rhodium (III) as chloride salt to produce three coordinate metal complexes, with a Schiff base: Metal ion ratio of 2:1. …”
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  2. 562

    Polymerization of Phenylacetylene-Based Monodendrons with Alkoxy Peripheral Groups and Oxygen/Nitrogen Permeation Behavior of Their Membranes by Takashi Kaneko, Kazuaki Sato, Yoshihiko Uchiya, Masahiro Teraguchi, Toshiki Aoki

    Published 2012-01-01
    “…Monodendron monomers with alkoxy peripheral groups were synthesized, and the focal point of monodendrons, terminal acetylene, was polymerized with rhodium catalyst to yield corresponding polydendrons with a high molecular weight. …”
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  3. 563

    Hydrothermal Catalytic Conversion of Glucose into Lactic Acid with Acidic MIL-101(Fe) by Xiaofang Liu, Zhigang Liu, Qiuyun Zhang, Hongguo Wu, Rui Wang

    Published 2020-01-01
    “…The as-synthesized MIL-101(Fe) was successfully characterized, and its higher specific surface area, porosity, and feasible acid properties were confirmed to determine the remarkable catalytic activity in glucose-to-LA conversion (up to 25.4% yield) compared with other catalysts like MIL-101(Cr, Al) and UiO-66(Zr). The reaction parameters including temperature, reaction time, and substrate species as well as catalyst reusability were discussed.…”
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  4. 564

    Electrogeneration of non-electroactive and non-conducting materials: a counterintuitive concept for the functionalization and nanostructuration of electrode surfaces by Walcarius, Alain

    Published 2023-09-01
    “…., sol–gel derived materials), based on the electrogeneration of a catalyst that is likely to induce indirectly the formation of a thin film (i.e., without direct electron transfer with the precursors). …”
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  5. 565

    Highly Selective Synthesis of Chlorophenols under Microwave Irradiation by Yawen Xiong, Hongdong Duan, Xia Meng, Zhaoyun Ding, Weichun Feng

    Published 2016-01-01
    “…These reactions adopt copper(II) chloride (CuCl2) as the catalyst and hydrochloric acid as chlorine source instead of expensive and toxic ones. …”
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  6. 566

    An Efficient Green Procedure for Synthesis of Some Fluorinated Curcumin Analogues Catalyzed by Calcium Oxide under Microwave Irradiation and Its Antibacterial Evaluation by S. Elavarasan, D. Bhakiaraj, T. Elavarasan, M. Gopalakrishnan

    Published 2013-01-01
    “…A series of fluorine substituted curcumin analogues have been synthesized in a cheaper and greener method using calcium oxide as catalyst under microwave irradiation. All the synthesized compounds have been characterized by FT-IR, MS, elemental analysis, and 1H and 13C NMR spectroscopic techniques and screened for antibacterial activities against Staphylococcus aureus, β-Heamolytic streptococcus, Shigella flexneri, Vibrio cholerae, Pseudomonas aeruginosa, and Klebsiella pneumonia. …”
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  7. 567

    Metal Nanoparticles and Carbon-Based Nanostructures as Advanced Materials for Cathode Application in Dye-Sensitized Solar Cells by Pietro Calandra, Giuseppe Calogero, Alessandro Sinopoli, Pietro Giuseppe Gucciardi

    Published 2010-01-01
    “…The attention is focused on metal nanoparticles and nanostructured carbon, among which nanotubes and graphene, whose good catalytic properties make them ideal for the development of counter electrode substrates, transparent conducting oxide, and advanced catalyst materials.…”
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  8. 568

    Obligacje komunalne jako narzędzie wspierające regionalny rozwój gospodarczy w Polsce by Sylwester Kozak

    Published 2015-12-01
    “…Badanie opiera się na danych z Ministerstwa Finansów, EBC, Głównego Urzędu Statystycznego i platformy CATALYST. Analiza wskazuje, że w Polsce stopień wykorzystania obligacji komunalnych przez gminy jest niższy niż średnio w UE. …”
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  9. 569

    Photodegradation of Chloridazon Using Coreshell Magnetic Nanocompsites by Dina Mamdouh Fouad, Mona Bakr Mohamed

    Published 2011-01-01
    “…The results indicate that the Fe3O4@Au nanoparticles are much more active catalyst in presence of sun light than pure Fe3O4 nanomaterials which have maximum absorption at 560 nm.…”
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  10. 570

    The role of religion and spirituality in transforming society by J. Beyers

    Published 2021-12-01
    “…This study presents three potential motivations why religion should participate in social transformation, namely religion is best equipped to bring about social transformation; religion is least equipped to bring about social transformation, and spirituality as an alternative to religion as transformation catalyst. This study wants to understand what transformation is and what role religion can play in contributing to social transformation. …”
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  11. 571

    Microwave Assisted Hydrolysis of Holocellulose Catalyzed with Sulfonated Char Derived from Lignin-Rich Residue by Kui Wang, Xinfeng Xie, Zhan Si, Jianchun Jiang, Jingxin Wang

    Published 2015-01-01
    “…Various reaction parameters including the hydrolysis temperature, hydrolysis time, catalyst content, and the ratio of water to feedstock were evaluated. …”
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  12. 572

    A Quantum-Chemical DFT Approach to Elucidation of the Chirality Transfer Mechanism of the Enantioselective Suzuki–Miyaura Cross-Coupling Reaction by Radomir Jasiński, Oleg M. Demchuk, Dmytro Babyuk

    Published 2017-01-01
    “…This suggests that, in practice, a sharp selection of theoretically possible paths of chirality transfer from the catalyst to the product should have a place and, therefore, the absolute configuration of the formed atropisomeric product is defined and can be predicted.…”
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  13. 573

    Nano-ZnO Catalyzed Green and Efficient One-Pot Four-Component Synthesis of Pyranopyrazoles by Sunil U. Tekale, Sushma S. Kauthale, Kavita M. Jadhav, Rajendra P. Pawar

    Published 2013-01-01
    “…The advantages associated with the present protocol include nonchromatographic purification technique, use of recyclable heterogeneous nano-ZnO catalyst in aqueous medium, and short reaction time. …”
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  14. 574

    Shakespeare en prison : le cas d’Avignon by Florence March

    Published 2022-01-01
    “…It will first deal with the decisive encounter of Shakespeare’s drama with prison in Avignon’s Papal Palace in 1947 – an encounter that acts as a catalyst for the festival’s ethos and aesthetics. The focus will then shift to the festival’s partnership with Le Pontet penitentiary. …”
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  15. 575

    ANALYSIS OF THE TRADE RELATIONS BETWEEN THE REPUBLIC OF MACEDONIA AND THE FEDERAL REPUBLIC OF GERMANY by Emilija Miteva-Kacarski, Iskra Stanceva-Gigov, Kostadinka Cabuleva

    Published 2015-05-01
    “…The results of the analysis point to the fact that in the past few years the RM has realized a trade surplus in the exchange with FRG as a result of the catalyst export of bearers of precious metals and their compounds, the product category which brings the country a comparative advantage in the exchange with FRG. …”
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  16. 576

    The Newest Member of the Family of Chloralose: Synthesis of β-Ribochloralose and Some Derivatives by Kadir Ay, Erkan Halay

    Published 2013-01-01
    “…Treatment of D-ribose with chloral in the presence of acid catalyst gives 1,2-O-(S)-trichloroethylidene-α-D-ribofuranose (1) (β-ribochloralose). …”
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  17. 577

    Modern materials and technologies in the production of artificial casting by S. S. Tkachenko, V. O. Yemelyanov, K. V. Martynov

    Published 2021-09-01
    “…The hydrolysis is carried out with an acidic catalyst. The strength of forms on an aqueous binder before calcination (bending strength σi) is from 1.5 to 2 MPa. …”
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  18. 578

    Fuel Cell Electrodes Based on Carbon Nanotube/Metallic Nanoparticles Hybrids Formed on Porous Stainless Steel Pellets by S. M. Khantimerov, E. F. Kukovitsky, N. A. Sainov, N. M. Suleimanov

    Published 2013-01-01
    “…The catalytic growth of carbon nanotubes was carried out by CVD on a nickel catalyst obtained by impregnation of pellets with a highly dispersive colloidal solution of nickel acetate tetrahydrate in ethanol. …”
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  19. 579

    The Paradox of The Internet in Journalism in Nigeria: Between Flexibility and Accuracy Challenges by Kingsley Chukwemeka Izuogu, Onyekwere Okpara, Dennis Ugochukwu Omeonu

    Published 2025-01-01
    “…Furthermore, the study underscores the dual nature of the internet as both a catalyst for progress and a potential disruptor within the industry. …”
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  20. 580

    The Organizational Culture and Innovation of Enterprises in the Era of the Fourth Industrial Revolution by Protasiewicz Anna, Zalesko Elzbieta

    Published 2024-12-01
    “…The aim of this article is to analyze the role of organizational culture as a catalyst for innovation in enterprises in the era of Industry 4.0. …”
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