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Passive earth pressure analysis considering hydraulic and mechanical hysteresis for unsaturated soil.
PLoS One
January 2025
Water Resources Engineering Department, College of Engineering, Salahaddin University, Erbil, Iraq.
This paper addresses the mechanical characteristics of a passive earth pressure problem taking into account water retention curve (SWRC) hysteresis. Both hydraulic (drying and wetting cycles) and mechanical hysteresis were considered. Parametric studies were carried out at various air entry values (AEV = 5-30 kPa), different wall frictions (δ = 0, 0.
View Article and Find Full Text PDFUnveiling the physicochemical, photocatalytic, antibacterial and antioxidant properties of MWCNT-modified AgO/CuO/ZnO nanocomposites.
RSC Adv
January 2025
School of Material Science and Engineering, Nanjing Tech University P. R China.
Water pollution, oxidative stress and the emergence of multidrug-resistant bacterial strains are significant global threats that require urgent attention to protect human health. Nanocomposites that combine multiple metal oxides with carbon-based materials have garnered significant attention due to their synergistic physicochemical properties and versatile applications in both environmental and biomedical fields. In this context, the present study was aimed at synthesizing a ternary metal-oxide nanocomposite consisting of silver oxide, copper oxide, and zinc oxide (ACZ-NC), along with a multi-walled carbon nanotubes modified ternary metal-oxide nanocomposite (MWCNTs@ACZ-NC).
View Article and Find Full Text PDFPhellodendrine inhibits oxidative stress and promotes autophagy by regulating the AMPK/mTOR pathway in burn sepsis-induced intestinal injury.
Toxicol Res (Camb)
February 2025
Department of General Practice, Yijishan Hospital, First Affiliated Hospital of Wannan Medical College, Jinghu District, Wuhu, Anhui Province 241000, China.
Intestinal injury is an important complication of burn sepsis with limited therapeutic choices. Phellodendrine is a promising compound for gastrointestinal inflammatory diseases and is extracted from the traditional Chinese medicine phellodendron bark. The study aimed to explore the role of phellodendrine against oxidative stress and autophagy in burn sepsis-induced intestinal injury.
View Article and Find Full Text PDFThree-dimensional convolutional neural network for leak detection and localization in smart water distribution systems.
Water Res X
December 2024
Professor, Department of Civil and Architectural Engineering and Mechanics, The University of Arizona, Tucson, AZ 85721, USA.
Smart meters such as advanced metering infrastructure (AMI) can significantly improve identifying realistic sized leaks in water distribution networks (WDNs). However, to date, detection/localization methods for AMI systems are extremely limited. In this study, to examine the benefits of using AMIs for leak detection within distribution network, a three-dimensional (3D) convolutional neural network (CNN) deep learning (DL) model is proposed that can account for temporally and spatially distributed information of pressures.
View Article and Find Full Text PDFInefficient transfer of diatoms through the subpolar Southern Ocean twilight zone.
Nat Geosci
November 2024
National Oceanography Centre, Southampton, UK.
The Southern Ocean, a region highly vulnerable to climate change, plays a vital role in regulating global nutrient cycles and atmospheric CO via the biological carbon pump. Diatoms, photosynthetically active plankton with dense opal skeletons, are key to this process as their exoskeletons are thought to enhance the transfer of particulate organic carbon to depth, positioning them as major vectors of carbon storage. Yet conflicting observations obscure the mechanistic link between diatoms, opal and particulate organic carbon fluxes, especially in the twilight zone where greatest flux losses occur.
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