Showing 2,801 - 2,820 results of 11,088 for search '"Chemical ', query time: 0.07s Refine Results
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    Methodology for Calculating Specific Expenditure of Acid Reagents for Filter Regeneration of Water-Well Intakes / by V. V. Ivashechkin, E. A. Makarova, А. N. Kondratovich

    Published 2007-12-01
    “…The given paper proposes a methodology for theoretical calculation of acid reagent expenditure for dissolution of contaminative deposit of a unit mass having a known chemical composition.The methodology is based on the balance of substances in chemical reactions and interactions between hydrochloric acid and deposit components.…”
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    Machine learning approach for predicting tramp elements in the basic oxygen furnace based on the compiled steel scrap mix by Michael Schäfer, Ulrike Faltings, Björn Glaser

    Published 2025-01-01
    “…This makes it difficult to compile the scrap mix and predict the future chemical analysis in the converter. When compiling the scrap mix, steel manufacturers often rely on experience and trials. …”
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    Effect of Reinforcement of Hydrophobic Grade Banana (Musa ornata) Bark Fiber on the Physicomechanical Properties of Isotactic Polypropylene by Md. Mamunur Rashid, Sabrin A. Samad, M. A. Gafur, Md. Rakibul Qadir, A. M. Sarwaruddin Chowdhury

    Published 2016-01-01
    “…A detailed structural and morphological characterization was performed using Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and mechanical properties testing (tensile strength, flexural strength, and microhardness). Chemical treatments improved the hydrophobic property of the fiber and it is found to be better for KMnO4 treatment. …”
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  9. 2809

    Pyrolysis of sawdust in a horizontal tube furnace: Effects of temperature and heating rate on product composition by Selva Kumar Vitiyaa, Lee Zhi Hua, Tan Kok Tat, Sim Jia Huey

    Published 2025-01-01
    “…According to Gas chromatography (GC) analysis, phenol group appears to be the major compound in the bio-oil. The chemical components of bio-oil were found to be richer at lower reaction temperatures (400-450 °C), where it showcased the presence of phenols, ketones, carboxylic acids, furans, aldehydes, alkenes, alcohols, ether and amine. …”
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    An Experimental and Kinetic Study of the Sorption of Carbon Dioxide onto Amine-Treated Oil Fly Ash by Mohammed A. Saad, Mohammed J. Al-Marri, Ali L. Yaumi, Ibnelwaleed A. Hussein, Reyad Shawabkeh

    Published 2016-01-01
    “…The OFA samples are characterized by several techniques. Chemical treatment of OFA considerably changed its surface morphology. …”
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    Single-step retrosynthesis prediction via multitask graph representation learning by Peng-Cheng Zhao, Xue-Xin Wei, Qiong Wang, Qi-Hao Wang, Jia-Ning Li, Jie Shang, Cheng Lu, Jian-Yu Shi

    Published 2025-01-01
    “…The answers reflect underlying chemical synthesis rules, especially opposite electrical properties between chemical entities (e.g., reaction sites, synthons, and LGs). …”
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  17. 2817

    Regional-Scale Ozone Deposition to North-East Atlantic Waters by L. Coleman, S. Varghese, O. P. Tripathi, S. G. Jennings, C. D. O'Dowd

    Published 2010-01-01
    “…Results are presented for a deposition scheme accounting for turbulent and chemical enhancement of oceanic ozone deposition and a second non-chemical, parameterised gaseous dry deposition scheme. …”
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    Preparation of NaTaO3 by Spray Pyrolysis and Evaluation of Apparent Photocatalytic Activity for Hydrogen Production from Water by Hyun Woo Kang, Eun-Jung Kim, Seung Bin Park

    Published 2008-01-01
    “…The quantum yield (QY) of NiO/NaTaO3 photocatalyst was measured by chemical actinometry using potassium ferrioxalate and compared with the apparent photocatalytic activities (APA) which would be more useful for the purpose of photocatalytic reactor design than the quantum yield. …”
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