ResearchProgram-China University of Geosciences, Beijing

CUGB

Research Programs

Dynamic Co(II)/Co(III) Cycle Driven by Outer- and Inner-Sphere Electron Transfer for Sustained Peroxymonosulfate Activation

In the realm of transition metal (Mn+) activated peroxymonosulfate (PMS), sluggish reduction kinetics of M(n+1)+ often lead to the rapid deactivation of catalytic centers, posing a significant challenge for commercialization of homogeneous advanced oxidation processes (AOPs).

Sep 18, 2025
Experimental Investigations on Enhanced Oil Recovery by Electrical Heating Synergistic Expanding Solvent-Steam-Assisted Gravity Drainage in Ultraheavy Oil Reservoirs

Steam-assisted gravity drainage (SAGD) is one of the most classic and effective developing techniques in heavy oil reservoirs.

Sep 16, 2025
Experimental Investigation on Enhanced Oil Recovery and Carbon Storage by Multimedia Synergistic Electrical Heating-Assisted CO2 Stimulation in Developing Medium-Deep Heavy Oil Reservoirs

Carbon dioxide (CO2) stimulation (CS) is a critical method for carbon utilization and storage in developing medium-deep heavy oil reservoirs.

Sep 16, 2025
Vadose Zone Geochemical Heterogeneity Governs Vertical Microbial Assembly in Lakeshore Agricultural Lands

The vadose zone is an area spanning from the land surface down to the groundwater table, which serves as a critical carrier of nutrient cycling and enables occurrence of diverse biogeochemical processes.

Sep 15, 2025
100-kyr climate cycles caused by 2.4-Myr eccentricity-modulated carbon cycles

Earth’s climate has been dominated by ~100-kyr glacial cycles over the past ~800？ka, yet the mechanism remains debated.

Sep 5, 2025
Mineral dendrites: Indicators for geological aqueous environments

Mineral dendrites—branched, black-to-reddish patterns commonly found in rocks—have received limited attention in the geosciences, despite their striking appearance.

Sep 4, 2025
Trivalent Vanadium Precipitation in Siderite-Dependent Vanadate Bioreduction by Denitrifying Bacteria in Groundwater

Vanadium (V) is a redox-sensitive metal with three valence states (+3, +4, +5) in Earth’s surficial environment.

Sep 2, 2025
Distinct Abiotic and Biotic Vanadate Reduction by Pyrite: Mineralogical, Electrochemical, and Isotopic Insights

Vanadate [V(V)] reduction, a key process of vanadium(V) cycling and detoxification, is of geochemical interest and environmental importance, which can be driven by reducing minerals solely or by mediated by microorganisms.

Sep 2, 2025
Scaling in source kinematics of earthquakes with size ranging from Mw -4.6 to Mw 7.8

Earthquake source process governs seismic wave radiation and resultant ground shaking.

Sep 1, 2025
Study on the Working Characteristics of Dynamic Seal of Volumetric Metal Blade Motor

The scientific drilling of ultradeep wells faces problems such as high-temperature and high-pressure conditions, poor surface drive feasibility, and low reliability. Therefore, it is an inevitable choice to use all-metal bottomhole power drilling to

Aug 29, 2025