Results 131 to 140 of about 1,700,794 (328)
Deep Underground Science and Engineering, EarlyView.This study examines the effects of curing temperature on the mechanical behavior of underground rock masses treated with enzyme‐induced calcite precipitation (EICP) and an innovative biopolymer‐modified EICP (BP‐EICP). Abstract Biocementation is an innovative and sustainable technique for reinforcing weak and weathered rock masses in natural and ...
Mary C. Ngoma, Oladoyin Kolawole
wiley +1 more source
The Study and Determination of Rational Hydraulic Parameters of a Prototype Multi-Gear Pump
FluidsThis article presents a comprehensive experimental and theoretical study and substantiation of the hydraulic parameters of a prototype multi-gear pump.
Olga Zharkevich +7 more
doaj +1 more source
A review of in-flight emergencies in the ASRS data base [PDF]
A series of 154 in-flight emergencies as reported to the Aviation Safety Reporting System are described. The various types of emergencies are examined and an attempt is made to determine the human errors and other factors associated with each incident ...
Porter, R. F.
core +1 more source
Deep Underground Science and Engineering, EarlyView.This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu +8 more
wiley +1 more source
Shiyou shiyan dizhiFractures are widely present in various kinds of rocks and are critical for reservoir evaluation, deve-lopment, and geological disaster prediction. Existing image-based fracture extraction technologies have noticeable deficiencies in micro-fracture ...
Feng WU +4 more
doaj +1 more source
Deep Underground Science and Engineering, EarlyView.This study demonstrates the feasibility of an underground closed‐loop thermal storage facility at a post‐mining site, intended for seasonal heat energy storage. Its principal design shows water flow directions in winter and summer (1, 2), heat pumps (3), an upper water reservoir (4), and connecting pipes (5).
Dmytro Rudakov, Oleksandr Inkin
wiley +1 more source
Lecture notes on sediment transportation and channel stability [PDF]
, 1961 These notes have been prepared for a series of lectures on sediment transportation and channel stability given by the authors to a group of engineers and geologists of the U. S. Department of Agriculture assembled at Caltech on September 12-16,1960. The
Brooks, Norman H. +2 more
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Seismic analysis and design of tunnels within fault ground: A review
Deep Underground Science and Engineering, EarlyView.The research methods of seismic response of tunnels within fault ground, including field investigations, analytical solutions, physical experiments, and numerical simulations, and seismic countermeasures are discussed. The present study examines the shortcomings and limitations of the current research and design, and puts forward proposals for future ...
Xingda Wang +6 more
wiley +1 more source
Simulation and analysis of hydraulic transition process based on mechanical hydraulics. [PDF]
PLoS One, 2023 Chen C, Zhan Q.
europepmc +1 more source
EcoEnergy, EarlyView.his paper presents a self‐powered, rechargeable quasi‐solid‐state zinc‐ion battery‐based flexible pressure sensor with adjustable sensitivity, excellent performance and broad application prospects. ABSTRACT Flexible pressure sensors hold broad application prospects in electronic skin, human–machine interaction, and health monitoring.
Qianqian Yao +7 more
wiley +1 more source