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195 Result(s)
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Article
Assessing the range of blasting-induced cracks in the surrounding rock of deeply buried tunnels based on the unified strength theory
Blasting-induced cracks in the rock surrounding deeply buried tunnels can result in water gushing and rock mass collapse, posing significant safety risks. However, previous theoretical studies on the range of ...
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Article
Experimental investigation of vibration pretreatment-microwave curing process for carbon fiber reinforced resin matrix composites
The vibration pretreatment-microwave curing process is an efficient, low energy consumption, and high-quality out-of-autoclave curing process for carbon fiber resin matrix composites. This study aims to invest...
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Article
Measurement and comparison of nutrients, bioactivity of four wild edible plants from Apiaceae family
In this experiment, four wild edible plants of Apiaceae species were studied, and their morphological indexes, ash, polysaccharide, protein, fat and mineral contents were determined. Significant variations were f...
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Soil microbial community in lead smelting area and the role of sulfur-oxidizing bacteria
The long-term operation of the lead smelter has brought serious heavy metal pollution to the surrounding soil. The microbial community structure and composition of heavy metal contaminated soil is important fo...
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Article
Coal fly ash resource utilization: Effects of inorganic minerals amendments on CFA-originated opal/sand aggregates formation
Opal (amorphous silica, SiO2·nH2O), a solid waste byproduct of the alkaline extracting alumina from coal fly ash, exhibits strong adsorption properties and is a secondary/clay mineral in the soil. Combining opal ...
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Article
Surfactant-modified SiO2/FeS nanocomposites for remediation of cadmium pollution
To improve the remediation and antioxygenic properties of ferrous sulfide (FeS) nanomaterials toward heavy metals is the focus of current research. This study employed a combination of sodium carboxymethylcell...
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Article
DNA Methylation Analysis Reveals Potential Mechanism in Takifugu rubripes Against Cryptocaryon irritans Infection
Takifugu rubripes (T. rubripes) is a valuable commercial fish, and Cryptocaryon irritans (C. irritans) has a significant impact on its aquaculture productivity. DNA methylation is one of the earliest discovered w...
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Optimization of the microstructure, mechanical properties, and wear resistance of nacre-inspired TiB2/Al-Cu composites via gelatin addition
Nacre-inspired TiB2/Al-Cu composites were prepared by freeze casting and squeeze casting. This study focused on the effect of gelatin content on microstructure, mechanical characteristics, and wear resistance of ...
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Article
Regulation mechanism of aging behavior and mechanical properties of 2195-T34 Al-Li alloy at different stress levels
The effect of aging on the mechanical properties of the 2195-T34 Al−Li alloy at different stress levels was investigated. When the stress was below the high-temperature yield strength (YS), the YS and elongati...
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Article
Effect of Sm content on microstructure and properties of extruded Mg-6Al-2Sr alloy
In this paper, the strengthening mechanism of different Sm content on extruded Mg-6Al-2Sr alloy was studied. The microstructure was observed by metallographic experiment, X-ray diffraction, scanning electron m...
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Article
Selective hydrogen reduction of binary iron-cobalt chlorides
Global demand for cobalt is proliferating with the booming usage and consumption of Li-ion batteries in energy storage applications. With high cobalt content, cobalt white alloy has been an important intermedi...
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Article
Persistent activation of peroxymonosulfate by MoS2@FeOOH/ceramsite composite for continuous flow degradation of sulfamethoxazole
Within the realm of wastewater treatment, the restrictions of inter-particle agglomeration and difficulty in recovery of traditional powder materials greatly limited their large-scale application. Hence, a nov...
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Article
Optimizing thermal performance of a premixed hydrogen/air fueled micro-combustor with baffles
The micro-combustor serves as a critical component in the micro-thermal photovoltaic system (MTPV). In this study, a novel premixed hydrogen/air fueled micro-combustor with baffles was proposed to enhance ther...
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Article
A numerical study based on GBM3D-DEM model: Multi-level force chain analysis in dynamic flexural tensile strength test
The force chain network is the key information of rock materials under loading, which is close to the micro-scale cracking and macroscopic mechanical behavior of rocks. In this paper, a novel 3D grain-based mo...
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A new multi-objective optimization model of multi-layer prestressed lining cavern for compressed air energy storage
Underground multi-layer cavern is a key component in the compressed air energy storage (CAES) engineering and its optimal design is of vital importance for improving the CAES efficiency, while most of the opti...
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Article
Microstructure evolution of 7050 Al alloy fasteners during cold upsetting after equal channel angular pressing
The innovative combination of equal channel angular pressing (ECAP) and cold upsetting (CU) is significant for producing high-strength Al alloy fasteners with ultrafine grains. However, the relationship betwee...
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Article
Investigation on corrosion behaviors of Mg-Zn-Al-Sn-Mn alloy treated by solution and artificial aging
Hot extrusion, solution, and artificial aging were conducted on the designed Mg-Zn-Al-Sn-Mn alloy. The microstructure evolution and corrosion behaviors of the alloy were studied. A multimodal structure composi...
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Article
Microwave uniformity regulation and its influence on temperature field distribution of composite materials
Microwave heating technology is currently a prominent area of research in the field of composites curing due to its advantages, including selective heating, energy saving and high efficiency. However, the unev...
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Article
Effect of friction stir processing on microstructure and friction and wear properties of as-cast SiCp/ZL101 composites
Friction stir lap welding (FSLW) was used to weld as-cast SiCp/ZL101 composite plate and ZL101 alloy plate to prepare a new brake disc material, and the as-cast SiCp/ZL101 composite plate was modified by friction...
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Article
Water retention behaviours of intact and recompacted loess exposed to multiple wetting-drying cycles
Wetting-drying cycles of weathering loading frequently lead to failure of infrastructures in loess regions, China. Water retention behaviours of loess are key information for capturing the physical causes of l...