Results 11 to 20 of about 296,208 (259)

Outlier Detection Based on Multivariable Panel Data and K-Means Clustering for Dam Deformation Monitoring Data

Advances in Civil Engineering, 2021
A dam is a super-structure widely used in water conservancy engineering fields, and its long-term safety is a focus of social concern. Deformation is a crucial evaluation index and comprehensive reflection of the structural state of dams, and thus there ...
Jintao Song, Shengfei Zhang, Fei Tong, Jie Yang, Zhiquan Zeng, Shuai Yuan   +5 more
doaj   +1 more source

An Improved Approach of Classical Upper Bound Theory for Stability Analysis of Layered Slopes

Advances in Civil Engineering, 2023
The equations for the critical height of layered slope were derived by a related researcher, but they lack details and do not agree with the method of limit equilibrium. So this topic was reinvestigated.
ZeRun Tian, YanHong Zhang, XiTong Wei, Fei Li, YaFeng Guo   +4 more
doaj   +1 more source

Study on the characteristics of horn-like vortices in an axial flow pump impeller under off-design conditions

Engineering Applications of Computational Fluid Mechanics, 2021
The dominant vortex structure near the hub in rotor corner separation flow has an important influence on the internal flow of the axial flow rotating machinery.
Haoru Zhao, Fujun Wang, Chaoyue Wang, Wenhao Chen, Zhifeng Yao, Xiaoyan Shi, Xiaoqin Li, Qiang Zhong   +7 more
doaj   +1 more source

Hydrophobic-modified metal-hydroxide nanoflocculants enable one-step removal of multi-contaminants for drinking water production

iScience, 2021
Summary: Flocculation is a mainstream technology for the provision of safe drinking water but is limited due to the ineffectiveness of conventional flocculants in removing trace low-molecular-weight emerging contaminants.
Zhen Yang, Lina Zhao, Min Hu, Di Cai, Ziqi Tian, Jan Baeyens, Raf Dewil, Peiyong Qin, Weiben Yang, Nigel J.D. Graham   +9 more
doaj   +1 more source

Toward snowpack runoff decision support

iScience, 2022
Summary: Rain-on-snow (ROS) events are commonly linked to large historic floods in the United States. Projected increases in the frequency and magnitude of ROS multiply existing uncertainties and risks in operational decision making. Here, we introduce a
Anne Heggli, Benjamin Hatchett, Andrew Schwartz, Tim Bardsley, Emily Hand   +4 more
doaj   +1 more source

Preparation of carbon-based material with high water absorption capacity and its effect on the water retention characteristics of sandy soil

Biochar, 2023
Biochar has the potential to provide a multitude of benefits when used in soil remediation and increasing soil organic matter enrichment. Nevertheless, the intricated, hydrophobic pores and groups weaken its water-holding capacity in dry, sandy soils in ...
Youming Yang, Mingyang Zhong, Xiuqi Bian, Yongjun You, Fayong Li   +4 more
doaj   +1 more source

Advancing Water Sustainability: Innovative Technologies in Hydrology and Water Resources Engineering [PDF]

E3S Web of Conferences
In the evolving field of water environment, hydrology, and water resources engineering, advanced water treatment techniques have emerged as pivotal elements in addressing contemporary challenges and ensuring sustainable water management.
Liu Xu
doaj   +1 more source

Analysis of Groundwater Availability Potential Using Euclidean Distance in the Suburbs of Yogyakarta City (study: Banguntapan District) [PDF]

E3S Web of Conferences
As one of the areas directly adjacent to the outskirts of Yogyakarta City, the Banguntapan District is increasingly affected by various rapid urban activities.
Evanio Valencio, Prasetyorini Linda, Suhartanto Ery, Chandrasasi Dian, Lubis Rachmat Fajar   +4 more
doaj   +1 more source

Global mapping of freshwater contamination by pesticides and implications for agriculture and water resource protection

iScience
Summary: Pesticide residues in freshwater threaten water sustainability, but the global discrepancies in freshwater pesticide contamination remain uncertain.
Yabi Huang, Zijian Li
doaj   +1 more source

Recent progress in highly effective electrocoagulation-coupled systems for advanced wastewater treatment

iScience
Summary: Electrocoagulation (EC) has been a well-known technology for wastewater treatment over the past centuries, owing to its straightforward equipment requirements and highly effective contaminant removal efficiency. This literature review emphasizes
Thi Kim Cuong Phu, Phi Long Nguyen, Thi Viet Bac Phung   +2 more
doaj   +1 more source