Search Results - "Zhu, Youyi"

Dynamic interfacial tension behaviors between Guerbet betaine surfactants solution and Daqing crude oil by Qiao, Weihong, Cui, Yingchun, Zhu, Youyi, Cai, Hongyan

“…► The effect of ethylene oxide groups was studied. ► Both of GC16 (3) and GC20 (5) could reduce DIFT to low value. ► When the mass ratio of GC16 (3)/GC20 (5)…”
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Tunable Viscoelastic Properties of Sodium Polyacrylate Solution via CO2-Responsive Switchable Water by Wu, Dianguo, Shi, Yiwen, Lv, Kun, Wei, Bing, Zhu, Youyi, Yin, Hongyao, Feng, Yujun

“…Upon stimulus by CO2, CO2-switchable viscoelastic fluids experience a deliberate transition between non-viscous and highly viscous solution states. Despite…”
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Current development and application of chemical combination flooding technique by ZHU, Youyi, HOU, Qingfeng, JIAN, Guoqing, MA, Desheng, WANG, Zhe

“…Great progress and success have been achieved in the fundamental study and field test of chemical combination flooding in recent years. In China, a low…”
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Interfacial tension behavior of double long-chain 1,3,5-triazine surfactants for enhanced oil recovery by Qiao, Weihong, Li, Jing, Zhu, Youyi, Cai, Hongyan

“…Interfacial tension behaviors of a series of double long-chain 1,3,5-triazine surfactants (A-DCTn-8, n=8, 10, 12, 14) and influencing factors of producing…”
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Ultralow Interfacial Tension for Enhanced Oil Recovery at Very Low Surfactant Concentrations by Rosen, Milton J, Wang, Hongzhuang, Shen, Pingping, Zhu, Youyi

“…The interfacial tension (IFT) between alkanes and several individual surfactants and their mixtures has been investigated, using three kinds of alkyl…”
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Retardation of Water Reorientation at the Oil/Water Interface by Chen, Meng, Lu, Xiancai, Liu, Xiandong, Hou, Qingfeng, Zhu, Youyi, Zhou, Huiqun

“…Molecular dynamics simulations reveal the retardation of water reorientation at the oil/water interface, which is mainly contributed by the slow reorienting…”
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The research progress in the alkali-free surfactant-polymer combination flooding technique by ZHU, Youyi, ZHANG, Yi, NIU, Jialing, LIU, Weidong, HOU, Qingfeng

“…Alkali-free surfactant-polymer SP flooding can avoid scaling, strong emulsification and corrosion caused by alkali, thus reduce the investment and operating…”
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Molecular Dynamics Simulation of the Effects of NaCl on Electrostatic Properties of Newton Black Films by Chen, Meng, Lu, Xiancai, Liu, Xiandong, Hou, Qingfeng, Zhu, Youyi, Zhou, Huiqun

“…The effects of NaCl on electrostatic properties of Newton black films (NBF) coated with two monolayers of sodium dodecyl sulfate were investigated by using…”
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On the Origin of Foam Stability: Understanding from Viscoelasticity of Foaming Solutions and Liquid Films by Chen, Shuyan, Hou, Qingfeng, Zhu, Youyi, Wang, Dehu, Li, Wenjun

“…The foam stability (drainage half-life) of α-olefin sulfonate (AOS) with partially hydrolyzed polyacrylamide (HPAM) or xanthan gum (XG) solution was evaluated…”
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Comparative Study of Extensional Viscoelasticity Properties of Liquid Films and Stability of Bulk Foams by Jian, Guoqing, Hou, Qingfeng, Chen, Shuyan, Wang, Dehu, Luo, Yousong, Wang, Zhe, Zhu, Youyi

“…The extensional viscoelasticity modulus and conductivity of liquid films and stability of bulk foams were investigated respectively. The effects of sinusoidal…”
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Rare causes of gross haematuria: abdominal aortic aneurysm-inferior vena cava fistula by Zhu, Youyi, Zhang, Hongwei, Li, Zhao, Lin, Simin, Li, Zihao

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Ruptured Kommerell's Diverticulum by Zhu, Youyi, Yu, Lina, Hei, Bo, Zhang, Hongwei, Li, Zihao

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In situ crosslinked weak gels with ultralong and tunable gelation times for improving oil recovery by Yin, Hongyao, Yin, Xin, Cao, Ruibo, Zeng, Peiyun, Wang, Jing, Wu, Dianguo, Luo, Xinjie, Zhu, Youyi, Zheng, Zhuo, Feng, Yujun

“…•Gelation times can be controlled in a range from 3 to 47 days.•Concentrations of cross-linker pairs greatly affects gelation time.•In situ cross-linked gel…”
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Double Z-scheme system of silver bromide@bismuth tungstate/tungsten trioxide ternary heterojunction with enhanced visible-light photocatalytic activity by Zhang, Mengmeng, Zhu, Youyi, Li, Wenjun, Wang, Fangzhi, Li, Hongda, Liu, Xintong, Zhang, Weiwei, Ren, Chaojun

“…The enhanced photocatalytic performance was ascribed to the atypical double Z-scheme system of AgBr@Bi2WO6/WO3. [Display omitted] •AgBr@Bi2WO6/WO3 exhibited…”
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A novel Ag@AgBr-Ag2Mo3O10 ternary core-shell photocatalyst: Energy band modification and additional superoxide radical production by Liu, Xintong, Zhu, Youyi, Li, Wenjun, Wang, Fangzhi, Li, Hongda, Ren, Chaojun, Zhao, Yanjun

“…Ag@AgBr-Ag2Mo3O10 ternary system efficiently produced the superoxide radical and showed efficient photocatalytic performance. [Display omitted]…”
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Adsorption of extended surfactants at the water-PTFE interface: The effect of PO number by Du, Yuechun, Zhang, Qun, Zhu, Youyi, Zhou, Zhaohui, Zhang, Fan, Zhang, Lei, Yan, Feng, Wang, Mingxia, Zhang, Lu

“…•PO group can enhance the hydrophobicity of surfactants.•The extended surfactant molecules adsorb loosely at the PTFE surface before CMC.•The extended…”
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Stability of Polymer and Surfactant Mixture Enhanced Foams in the Presence of Oil Under Static and Dynamic Conditions by Jian, Guoqing, Hou, Qingfeng, Zhu, Youyi

“…Three different types of foaming agents including hydrocarbon surfactant TQ01, partial fluorinated surfactant BF01, and per-fluorinated surfactant QF01…”
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Effects of Calcium Ions on the Solubility and Rheological Behavior of a C22-Tailed Hydroxyl Sulfobetaine Surfactant in Aqueous Solution by Ji, Xiuling, Tian, Maozhang, Ma, Desheng, Zhu, Youyi, Zhou, Zhao-Hui, Zhang, Qun, Wang, Yilin

“…Effects of calcium ions (Ca2+) on the solubility, aggregate structure, and rheological behavior of a C22-tailed zwitterionic surfactant, erucyl dimethyl…”
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Temperature-Dependent Phase Transition and Desorption Free Energy of Sodium Dodecyl Sulfate at the Water/Vapor Interface: Approaches from Molecular Dynamics Simulations by Chen, Meng, Lu, Xiancai, Liu, Xiandong, Hou, Qingfeng, Zhu, Youyi, Zhou, Huiqun

“…Adsorption of surfactants at the water/vapor interface depends upon their chemical potential at the interface, which is generally temperature-dependent…”
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A systematic approach to measure the contents of mono- and di-sulfonates in petroleum sulfonates by the novel method of acid-base titration coupled with traditional two-phase titration by Duan, Yawei, Feng, Jingge, Zhu, Youyi, Li, Hongda, Liu, Xintong, Zhou, Hualei, Li, Wenjun

“…Petroleum sulfonates are broadly employed to increase the oil recovery efficiency in tertiary recovery, while the content of di-sulfonates in petroleum…”
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