Showing 1,241 - 1,260 results of 1,590 for search '"petroleum"', query time: 0.05s Refine Results
  1. 1241

    Rapid Screening and Preparative Isolation of Antioxidants from Alpinia officinarum Hance Using HSCCC Coupled with DPPH-HPLC Assay and Evaluation of Their Antioxidant Activities by Lei Fang, Hua Zhang, Jie Zhou, Yanling Geng, Xiao Wang

    Published 2018-01-01
    “…Target-guided by DPPH-HPLC assay, two antioxidants, galangin and kaempferide, were targeted and further separated with purities of 99.3% and 98.5% by HSCCC using petroleum ether–ethyl acetate–methanol–water (0.8 : 1 : 1 : 0.8, v/v) as the solvent system. …”
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    Empirical Correlations for K-Values of Crude Oils by Jose V. Flores-Cano, Carlos G. Aguilar-Madera, Erik C. Herrera-Hernández, G. Espinosa-Paredes, Jose P. Ruelas-Leyva, Victor Matías-Pérez, Jorge A. Briones-Carrillo

    Published 2022-01-01
    “…The proposed correlations are useful for rapid vapor-liquid equilibrium calculations during the compositional modeling of petroleum reservoirs.…”
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    Microfacies and Reservoir Space Characteristics of Carbonate Reservoir of the Ordovician Yingshan Formation in Northern Slope of Tazhong Uplift, Tarim Basin by Ping Ren

    Published 2023-01-01
    “…As an important stratum of exploration in the Tarim Basin, which is the largest petroleum basin in China, Yingshan Formation has great potential. …”
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    Thermal performance evaluation of phase changing materials in double glazing units for office buildings in Egypt by Omar Abdel-Rahman, El Rouby, Mohamed Moemen Afify

    Published 2025-02-01
    “…The results showed that using petroleum jelly as a PCM with DGUs will lead to a significant effect in reducing the usage of mechanical systems in cooling the building spaces by 8.91%, 8.62%, and 8.07% in Cairo, Alexandria, and Aswan consecutively from the total yearly cooling electric consumption.…”
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    Carbon Nanotubes: Synthesis via Chemical Vapour Deposition without Hydrogen, Surface Modification, and Application by Nguyen Duc Vu Quyen, Dinh Quang Khieu, Tran Ngoc Tuyen, Dang Xuan Tin, Bui Thi Hoang Diem

    Published 2019-01-01
    “…The present study describes the growth of carbon nanotubes (CNTs) from liquefied petroleum gas (LPG) on an Fe2O3/Al2O3 precatalyst via a chemical vapour deposition (CVD) process without hydrogen. …”
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  16. 1256

    Recycling of Oily Sludge as a Roadbed Material Utilizing Phosphogypsum-Based Cementitious Materials by Wei Xiao, Xiao Yao, Fuyang Zhang

    Published 2019-01-01
    “…Oily sludge is a hazardous waste containing emulsified petroleum hydrocarbons, water, heavy metals, and solid particles. …”
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    Demands and Material Flow of Recycled Polyethylene Terephthalate (PET) in Indonesia by Evtriyandani, Warmadewanthi IDAA, Pratama Jeesica Hermayanti, Sekuła Paulina Magdalena

    Published 2025-01-01
    “…Recycled PET functions as a substitute for raw materials produced directly from petroleum. This research aims to analyze the current PET recycling rates to substitute the demand for virgin PET materials in Indonesia. …”
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