OB欧宝娱乐官方平台 （北京）学者成果库，欢迎您

摘要：Geological carbon storage, particularly within coal seams, is recognized as a viable strategy for achieving netzero emissions. However, following CO2 injection into the coal seam, limited studies have addressed the compe...

摘要：In this study, nitrogen-doped porous carbon-supported iron-manganese microspheres (FeMn@NC-700) were successfully synthesized and employed as three-dimensional particle electrodes (3DPE) for electro-oxidative of tetracyc...

摘要：China is the most important steel producer in the world, and its steel industry is one of the most carbon-intensive industries in China. Consequently, research on carbon emissions from the steel industry is crucial for C...

摘要：The Early Cretaceous avian ichnofauna of Laurasia, particularly in East Asia, is remarkably abundant. The northwestern region of China is the most productive area for bird tracks. Recently, four avian-dominated track sit...

摘要：The utilization of attapulgite (ATP for short) is widely employed in the remediation of heavy metal-contaminated wastewater and soil. However, its precise mechanism of action remains unclear. This study delves into the a...

摘要：The surge in global electric bicycle ownership has exerted immense pressure on bicycle infrastructure. Theoretically, there's a need to reassess the risk factors associated with multiple bike lane users. Based on this, t...

摘要：A highly crystalline phase g-C3N4, namely poly (heptazine imide) (PHI) was synthesized using molten salts. A high-performance ultrafiltration membrane was prepared by blending PHI nanosheets with Poly(m-phenylene isophth...

摘要：This study investigates the chemical structural evolution of coal during supercritical CO2 transient fracturing using a self-developed experimental platform. Coal samples with different metamorphic ranks were subjected t...

摘要：Superhydrophobic aerogels are promising for oil-water separation because of their high porosity and excellent selectivity. However, their complex fabrication processes, hydrophobic instability, and poor mechanical stabil...

摘要：AlxTi(1-x)CoCrFeNi (x = 0.875, 0.75) high-entropy coatings (HECs) were prepared using High-Velocity Oxygen-Fuel technology, and then underwent vacuum annealing at 500 degree celsius, 700 degree celsius, 900 degree celsiu...

摘要：In an effort to study the surface properties of 3D porous carbon anode materials for Li-ion batteries, the geometric and electronic structures, adsorption as well as diffusion characteristics of Li-ions on the surface of...

摘要：Our understanding of permafrost distribution is still limited, particularly in mountainous areas where highly heterogeneous environments and a lack of reliable field data tend to prevail. The extensive distribution of ro...

摘要：Allanite is a common REE-rich accessory mineral found in various igneous and metamorphic rocks, and can record a variety of geological processes. Therefore, allanite geochronology has the potential to answer a range of i...

摘要：Multicellular algae are the core topic for understanding the early life evolution on Earth. The timing of origin and cellular differentiation of multicellular algae, however,remains poorly constrained. The Palaeoproteroz...

摘要：The abundant oil and natural gas resources in the Arctic cold regions have driven people to conduct drilling operations in these harsh environments. During drilling operations in Arctic permafrost regions, the linear hea...

摘要：Solar energy, as a crucial green energy source, attracted significant attention. Phase change materials (PCMs) addressed the intermittency issue by storing and releasing latent heat. This study innovatively combined carb...

摘要：Active continental margins are the major sites of continental magmatism and associated hydrothermal ore deposits with a broad metal spectrum. Mineralization across active continental margins typically displays spatial zo...

摘要：Metal sulfides have attracted much attention because of their wide light response range and negative conduction band (CB) position, which can generate abundant charges to participate reduction and oxidation reactions. In...

摘要：An ultra-low power capacitor-less LDO with feedforward compensation technique based on the small-signal gain stage and composite transient enhancement structure is proposed. The feedforward compensation technique based o...

摘要：The Hoek-Brown (H-B) criterion has found widespread application in numerous rock engineering projects. However, its efficacy is compromised by an underestimation of rock strength due to its neglect of the influence of th...

摘要：The geomechanical properties of marine gassy sediments are significantly influenced by the presence of gas, which introduces challenges such as high acquisition costs and restricted applicability. Consequently, leveragin...

摘要：The development of valid chemical enhancement strategy with charge transfer (CT) for semiconductors has great scientific significance in surface-enhanced Raman scattering (SERS) technology. Herein, a phosphorus doped cry...

摘要：Triboelectric nanogenerator (TENG) as an energy harvester faces the challenges of low surface charge density, dust generation in friction and soft contact within dielectrics. Accordingly, a charge pumping triboelectric n...

摘要：This study examines the impact of particle shape (ball, polygon, and trigon) on rock mechanical behavior using laboratory-scale tests and a field experiment with the soft bond model (SBM). Parametric analysis shows that ...

摘要：The researches on the hydrogeochemistry of geothermal waters from magma-indirectly related geothermal systems in Yunnan-Tibet geothermal belt (YTGB) mainly focus on major ions and stable isotopes, but the studies of trac...

摘要：The relationship between the intrinsic properties of seven different types of fly ash and the compressive strength of the resulting geopolymers was investigated. A comprehensive examination of the effect of chemical and ...

摘要：Chlorite is a widely distributed clay mineral in sandstone reservoirs, attracting significant attention due to its complex physicochemical properties and unique reservoir significance. The Shaximiao Formation in the Sich...

摘要：Metals are increasingly important risk factors for the evolution of antibiotic resistance in environments.The rapid development of antibiotic resistance is occurring at a global scale. We therefore stride into the post-a...

摘要：A silica-loaded g-C3N4 composite photocatalyst (M-SiO2/g-C3N4) was prepared by grinding amorphous SiO2 microspheres (M - SiO2) with melamine and calcining the resulting grinding products. This composite was used for phot...

摘要：Coatings with superamphiphobicity and photocatalytic degradation properties to achieve excellent self-cleaning performance have received extensive attention. Herein, TiO2-SiO2 composite particles with micro-/nanoscale hi...