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Rubber Plantation Age Affects Soil Aggregate Stability, Organic Carbon, and Nitrogen Distribution in Hainan Island, China
Soil aggregate stability is influenced by the soil organic carbon (SOC) and total nitrogen (TN) content. However, the mechanisms by which the age of rubber plantations (RPs) affects soil aggregate stability an...
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Article
Improved YOLOv5s combining enhanced backbone network and optimized self-attention for PCB defect detection
As the foundation of circuits and electronic systems, the quality of printed circuit boards (PCBs) is directly related to the reliability of the whole system. At present, deep learning-based target detection t...
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Article
Acoustic Emission Evolution and Hydraulic Fracture Morphology of Changning Shale Stressed to Failure at Different Injection Rates in the Laboratory
Hydraulic fracturing has been widely used to enhance reservoir permeability during the extraction of shale gas. As one of the external input parameters, injection rate has a significant impact on formation bre...
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Article
Influence of competition-outcome feedback in video games on players’ flow experience
Competition is a fundamental feature of video games. However, the influence of competition-outcome feedback on players’ flow experience is not clearly understood. This study aims to examine this effect and exp...
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Article
Tailoring Texture to Highly Strengthen AZ31 Alloy Plate in the Thickness Direction via Pre-tension and Rolling–Annealing
Conventional wrought Mg alloys, such as AZ31 and ZK60 rolled plates, usually exhibit significantly low tensile yield strength in the thickness direction. This can be attributed to the high activity of {10–12} ...
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Rock Mechanics in Hydraulic Fracturing Operations
Rock, fracture and fluid mechanics are crucial elements in understanding and engineering design of hydraulic fracture treatments.
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Fracture Initiation
Field in-situ constant-flow hydraulic fracturing test is an important technique to determine the tectonic stress field. Classical hydraulic fracturing mechanics regards the maximum tensile stress criterion as ...
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Introduction
Compared with coal and oil, natural gas is clean and efficient, flexible in transportation and operation.
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Reservoir Characteristics
Organic matter-rich Marine shale is mostly gray-black stone-containing carbon or silica-rich rock phase.
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Constant Pressure Injection
In practical hydraulic fracturing, limited by the operating power of the syringe pump and long transportation of pipelines, it is often difficult to maintain high pum** fluid pressure to crack the reservoir ...
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Fracture Propagation
In previous theories regarding hydraulic fracture propagation, it is usually assumed the fluid pressure within the hydraulic fracture is constant in the calculation of the surrounding stress field. The actual ...
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Formation of Complex Networks
When a hydraulic fracture interacts with multiple natural fractures (such as bedding planes, faults, weak interlayers, and formation interfaces) in the formation, arrests, bifurcations, crossings, and openings...
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Constant Flow Injection
The hydro-mechanical coupling is one of the research hotspots in the fields of petroleum, mining and tunneling engineering.
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Fracture Interaction Behaviors
Problems arising from hydraulic fracturing involve the nonlinear coupling of rock deformation and fluid flow, the nonlocal character of the fracture elastic response, the time dependence of fracture propagatio...
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Book
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Article
Development and experimental verification of a prognosis model for cuproptosis-related subtypes in HCC
Cuproptosis is a recently discovered mechanism of programmed cell death caused by intracellular aggregation of mitochondrial lipoylated proteins and destabilization of iron-sulfur proteins triggered by copper....
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Article
Remarkable enhancement in the N2 selectivity of NH3-SCR over the CeNb3Fe0.3/TiO2 catalyst in the presence of chlorobenzene
The simultaneous removal of NOx and dioxins is the frontier of environmental catalysis, which is still in the initial stage and poses several challenges. In this study, a series of CeNb3Fex/TiO2 (x = 0, 0.3, 0.6,...
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Article
Industrial hydrogen production technology and development status in China: a review
This paper reviews the status of the research on industrial hydrogen production technology and development in China. The pros and cons of different hydrogen production technologies are compared. In addition, i...
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Article
Open AccessDanshensu inhibits the IL-1β-induced inflammatory response in chondrocytes and osteoarthritis possibly via suppressing NF-κB signaling pathway
Osteoarthritis (OA) is the most common inflammatory disease associated with pain and cartilage destruction. Interleukin (IL)-1β is widely used to induce inflammatory response in OA models. This study aimed to ...
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Article
The Ductility Variation of High-Pressure Die-Cast AE44 Alloy: The Role of Inhomogeneous Microstructure
In the study, the through-thickness microstructure and its effects on the ductility and strain heterogeneity in high-pressure die-cast AE44 alloy were investigated. The results show that the studied alloy had ...
