Showing 1,221 - 1,240 results of 1,926 for search '"Petroleum"', query time: 0.06s Refine Results
  1. 1221

    Study on Influencing Factors of Non-contact Labyrinth Sealing Performance for High Speed Rotors by Jingyuan Wang, Yongfei Yang, Yufeng Li, Junhao Chen, Linjie Yang, Dongyang Li

    Published 2022-09-01
    “…In order to improve the sealing performance of the high-speed gearbox sealing device, this study analyzes the non-contact labyrinth sealing of the high-speed gear transmission commonly used in petroleum, chemical and other fields. By establishing a numerical calculation model, the influence of factors such as the number of sealing teeth sealing differential pressure, oil-air mixture concentration,and position of oil slinger on the leakage of oil return ports and oil leakage ports of each sealing cavity is analyzed, which has guiding significance for the design of non-contact labyrinth sealing for high-speed gearboxes.…”
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  2. 1222

    Status of the Reactive Extraction as a Method of Separation by Dipaloy Datta, Sushil Kumar, Hasan Uslu

    Published 2015-01-01
    “…The prospective function of a novel energy efficient fermentation technology has been getting great attention in the past fifty years due to the quick raise in petroleum costs. Fermentation chemicals are still limited in the modern market in huge part because of trouble in recovery of carboxylic acids. …”
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    FUEL SUBSIDY REMOVAL AND GOVERNMENT POLICY ON POVERTY ALLEVIATION IN NIGERIA (2015 – 2023) by IBRAHIM KASIM KESINTON

    Published 2024-12-01
    “…Successive governments in Nigeria have announced reduction in the amount of subsidy it is paying on petroleum products persistently. The study used qualitative data in its investigation. …”
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