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  1. Article

    Open Access

    Enhancing understanding of healthy aging based on time-varying dependencies among multidimensional health, life satisfaction, and health behaviors of older adults aged 60 years and over

    Healthy aging is a process of not only achieving good health but also increasing the life satisfaction of older adults aged 60 years and over, in which health behaviors play an important role. There is a lack ...

    Jianghua Zhang, Yunbao Zhang, Zhiyi Wu, Xuemei Fu in BMC Public Health (2024)

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  2. Article

    Open Access

    Optimization of non-ionic surfactants for removing emulsified oil from gas condensate oil–water emulsion in N oilfield

    The aim of the present study was to obtain effective and economical chemical agents for treatment of oily water from N oilfield. Component characterization of crude oil from N oilfield was carried out with gas ch...

    Peng Lv, Yigang Liu, Yunbao Zhang, Limei Sun… in Journal of Petroleum Exploration and Produ… (2020)

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  3. Article

    Open Access

    Experimental research on novel oil displacement and profile control system for heterogeneous reservoir

    Polymer flooding and surfactant/polymer flooding (SP flooding) were mainly focused on the improvement in oil–water flow ratio and the reduction in oil–water interfacial tension. Preformed particle gel (PPG) fl...

    Peng Lv, Yigang Liu, Yunbao Zhang, Yanyue Li… in Journal of Petroleum Exploration and Produ… (2020)

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