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View article: Multiscale Gas Flow Mechanisms in Ultra-Deep Fractured Tight Sandstone Reservoirs with Water Invasion
Multiscale Gas Flow Mechanisms in Ultra-Deep Fractured Tight Sandstone Reservoirs with Water Invasion Open
Ultra-deep fractured tight sandstone reservoirs are key targets for natural gas development, where gas flow is controlled by pore structure, capillary forces, and water saturation. Using the ultra-deep tight sandstones from the Tarim Basin…
View article: Pore Structure and Fractal Characteristics of Kelasu Ultra-Deep Tight Sandstone Gas Reservoirs
Pore Structure and Fractal Characteristics of Kelasu Ultra-Deep Tight Sandstone Gas Reservoirs Open
Ultra-deep tight sandstone gas reservoirs are key targets for natural gas exploration, yet their pore structures under high temperature, pressure, and stress greatly affect gas occurrence and flow. This study investigates representative re…
Numerical prediction of strength and temperature changes within cemented paste backfill considering barricade stability Open
Manufacturing an intended recipe of tails, binder and water, cemented paste backfill (CPB) is employed to refill the cavities created in underground mining operations. To ensure that it remains stable and forms a solid structure, filling s…
Experimental study on recycling rubber to increase the impact resistance of cement mortar Open
The COVID-19 pandemic has led to a surge in medical waste generation, posing hazards to both the environment and global health. The impacts of the COVID-19 pandemic's medical waste hazard may persist long after the pandemic itself subsides…
On the Selection of Intermediate Length Representative Periods for Capacity Expansion Open
As the decarbonization of power systems accelerates, there has been increasing interest in capacity expansion models for their role in guiding this transition. Representative period selection is an important component of capacity expansion…
Factors and Mechanisms Influencing Consumers’ Willingness to Participate in Food Safety Social Co-governance: An Empirical Study from China Open
Food safety governance and its performance improvement are inseparable from the cooperation of multiple subjects. The extensive participation of consumers is not only a powerful supplement to the deficiency of supervision resources but als…
View article: A novel method to retain a waterproof coal pillar near water-conducting fault
A novel method to retain a waterproof coal pillar near water-conducting fault Open
Reducing the width of safe coal pillar near geological structures, such as a water-conducting fault, to improve the extraction ratio of coal seam is a major concern that needs to be addressed urgently for mining shallow coal resources in C…
Effect Analysis of Step Input Smoothing Optimization on Hydraulic Excitation Suppression of Position Servo System Open
Based on step input ramping optimization, a further optimization method is proposed by superimposing a sine signal to smooth the mutation of the step signal. This sine smoothing method has zero signal change rate and acceleration at the be…
Editorial: Advances in the Design and Implementation of Cementitious Backfills Open
EDITORIAL article Front. Mater., 24 August 2022Sec. Structural Materials https://doi.org/10.3389/fmats.2022.964111
Singularity Avoidance Algorithm Based on Bounded Deviation Path Correction Method Open
Focused on the abnormal problems of path planning when a custom 6-DOF robot goes passed singular points, this paper makes descriptions based on kinematic analysis and dynamic analysis. It is pointed out that linear interpolation should not…
Research on key technology of high speed auger Open
In order to solve the problem of hole collapse and low construction efficiency in the process of soft media gas extraction. A full hydraulic drilling machine with high drilling speed, cross belt construction ability and strong process adap…
Research on training top-notch applied talents of statistics based on OBE concept Open
In the context of big data, the massive amount of data generated at all levels and fields of society and economy has made the market for top-notch statistical talents increasingly demanding. However, the current training of statistics prof…
Legal Coherence and Judicial Activism in Australia Open
The principle of legal coherence and the role of judicial activism are active but controversial topics in in Australian common law. Usually, the application of the principle of legal coherence lead to a different award compared to judicial…
The SH wave scattering of a heterogeneous hill in an elastic half-space Open
By combining the wave function expansion method with the auxiliary function, a closed series solution for the dynamic plane response is proposed considering horizontal circular heterogeneous topography under SH wave incidence. The displace…
Research and Application of Intelligent Maintenance of Relay Protection Equipment Based on Internet of Things Technology Open
Relay protection equipment is an important guarantee for safe and reliable operation of power grids. Relay protection technology is also developing towards computerization and networking. The integration of information technology and commu…
Coupled Effect of Curing Temperature and Moisture on THM Behavior of Cemented Paste Backfill Open
Cemented paste backfill (CPB), a mixture of tailings, binder, and water, is widely and continually utilized in underground mines for subsidence control and disposal of surface hazardous waste discharge. The mechanical strength of CPB, whic…
A coupled thermal-hydraulic-mechanical application for assessment of slope stability Open
The stability of a slope is subjected to thermal (T), hydraulic (H), and mechanical (M) loadings and their coupling effects. Modeling the coupled THM processes that occur in the slope is important for reliably assessing and predicting the …
A unified model for diagnosing energy usage abnormalities in regional integrated energy service systems Open
An integrated energy service company in an industrial park or commercial building is responsible for managing all energy sources in their local region, including electricity, water, gas, heating, and cooling. To reduce energy wastage and i…
Ultrasonic Imaging Detection of Strain Clamp Hydraulic Crimping Quality on Transmission Line Open
Strain clamp plays an important part for the transmission line. It is also a weak link part of the aluminum conductor steel reinforced (ACSR). By analyzing the strain clamp structure, the aluminum tube acts as a bridge and the force of the…
Student-led Inquiry Learning Ability Training - Taking Distillation Experiment as An Example Open
Inquiry-based study can enhance long term retention and improve application and synthesis of knowledge. In this research, we provide a student-driven, inquiry-based teaching model that trains undergraduate as researcher, who can raise ques…
VOLTTRON/econ-dispatch Open
Work space for in development Economic Dispatch Application. Multi-purpose open-source control algorithms that will ensure real-time optimal operation, increase electric grid reliability, and lead to the goal of clean, efficient, reliable …
Risk Analysis of Pedestrians Evacuations Based on Crowd Energy Open
The crowd energy is newly proposed to evaluate the crowd safety level and has a positive correlation with the risk of crowd injuries. But how to manage overcrowded pedestrians and to avoid crowd injuries from the energy-release view are st…