A5100741725- Enhanced Oil Recovery Techniques
- Hydraulic Fracturing and Reservoir Analysis
- Hydrocarbon exploration and reservoir analysis
- Reservoir Engineering and Simulation Methods
- Drilling and Well Engineering
- Oil and Gas Production Techniques
- Petroleum Processing and Analysis
- NMR spectroscopy and applications
- Carbon and Quantum Dots Applications
- Chalcogenide Semiconductor Thin Films
- Phase-change materials and chalcogenides
- Nanocluster Synthesis and Applications
- Advanced biosensing and bioanalysis techniques
- Crystallization and Solubility Studies
- CO2 Sequestration and Geologic Interactions
- Groundwater flow and contamination studies
- Advanced Photocatalysis Techniques
- Nonlinear Optical Materials Studies
- X-ray Diffraction in Crystallography
- Graphene research and applications
- Electromagnetic wave absorption materials
- Energetic Materials and Combustion
- Surface Modification and Superhydrophobicity
- Rock Mechanics and Modeling
- Luminescence Properties of Advanced Materials
China University of Petroleum, Beijing
2016-2025
Beijing Institute of Technology
2023-2025
Zhejiang University of Technology
2022-2024
State Key Laboratory of Pollution Control and Resource Reuse
2024
Tongji University
2022-2024
Zhengzhou University
2024
Hainan University
2018-2023
China University of Petroleum, East China
2021-2023
Shenzhen University Health Science Center
2023
Georgia Institute of Technology
2021
Heteroatom doping is one of the most effective routes to adjust physicochemical and optical properties carbon dots (CDs). However, fluorine (F) doped CDs have been barely achieved. In this work, a F-doping strategy was proposed adopted modulate CDs. A kind F-doped synthesized by solvothermal process using aromatic F bearing moiety as source shows much longer maximum emissions (up 600 nm, red fluorescence) than that undoped CDs, indicating large emission red-shift effect F-doping. addition,...
A gel system has been widely used in many mature oilfields for water shut-off treatment. In the present study, hydrophobically associating polymer (HAP) was cross-linked with polyethylenimine (PEI) to form a HAP/PEI which contains 0.35 wt % HAP and 0.60 PEI. Gelation behaviors of formed bottle core were studied, respectively. Results show that gelation greatly affected by concentration The addition sodium chloride or calcium generally resulted decrease apparent viscosity an extension time....
Carbon dots (CDs) focus great attention in a broad range of adhibitions because their excellent optical properties and high biocompatibility property adjustability. However, the developed CDs have rarely been used as effective gene vectors until now. In this work, we devised synthesized novel fluorine-doped cationic (FCDs) using tetrafluoroterephthalic acid fluorine source branched polyethylenimine to furnish positive charge sites. The FCDs achieve dramatic EGFP luciferase transfection...
Abstract An easy hydrothermal synthesis strategy was applied to synthesize green‐yellow emitting nitrogen‐doped carbon dots (N‐CDs) using 1,2‐diaminobenzene as the source, and dicyandiamide dopant. The CDs resulted in improvement electronic characteristics surface chemical activities. N‐CDs exhibited bright fluorescence emission could response Ag + selectively sensitively. Other ions produced nearly no interference. A based fluorescent probe then sensitively determine with a detection limit...
As important intermediates generated during surfactant flooding, emulsions are widely acknowledged to be beneficial for enhanced oil recovery. Formation and flow behaviors of W/O O/W have been reported in detail. Nevertheless, W/O/W not sufficiently investigated, which the most common products chemical flooding heavy reservoirs. In this study, two systems with different emulsification tendencies were evaluated by both core microfluidic experiments. Core experiments strong emulsifying (SES)...
Superhydrophobic metallic surfaces exhibit superior self-cleaning and anti-corrosion properties, but facile pollution-free preparation of such remains a challenge. Herein, we propose an eco-friendly strategy by using ns-laser treatment followed simple hygrothermal (95%RH @ 80 °C), this is applicable to facilely preparing superhydrophobicity for various metals. Immediately after treatment, ultra-porous nano-fibers composed amorphous Al-Al2O3 mixture were produced, rendered aluminum surface...
ZnSb films have higher crystallization temperature (~257 °C), larger crystalline activation energy (~5.63 eV), better 10 year-data-retention (~201 °C) and lower melting (~500 °C).
The relationship between NaCl concentration and the phase change behavior of microemulsion anionic surfactant was characterized by salinity scan experiments. wettability Winsor I type solution (WI solution) effect NaCL on WI imbibition in oil-wet porous media were investigated microfluidic experiments this study. are similar wetting with stronger than other phases. Two main mechanisms enhancing imbibitions recovery oil wet drive residual solubilization. Under condition microemulsion, has...
Covalent organic frameworks (COFs) constitute a class of highly functional porous materials composed lightweight elements interconnected by covalent bonds, characterized structural order, high crystallinity, and large specific surface area.
The rational design of specific nanostructures with desirable combination electrical conductivity and magnetism is significant importance in the field electromagnetic absorption. To date, it still difficult to uniformly coat magnetic composition on reduced graphene oxide (RGO) surface, especially through a metal–organic frameworks (MOFs) pyrolyzation strategy, just because difficulty even deposition MOFs (GO). Herein, we successfully deposit GO form sandwich MOFs/GO/MOFs addition Fe3+...
In order to study the microscopic oil displacement mechanism of polymeric surfactant in chemical cold flooding for heavy oil, indoor visualization experiments were carried out. The experiment was conducted by using water, osmotic modified displacing agent (a kind surfactant) and water-in-oil emulsion (obtained mixing oil) as phases enhance recovery reservoir. experimental results show that can increase viscosity water phase, reduce water-oil mobility ratio, expand swept area, there is no...