Results 31 to 40 of about 596,798 (261)

Analysis of characteristic index and prediction of river bottom tearing scour in the Yellow River

Journal of Hydroinformatics
River bottom tearing scour (RBTS) has a strong effect on the scouring and moulding of channel in the Yellow River. Due to the special forming conditions, complex influencing factors, and limited observed data, it is difficult to predict whether RBTS will
Longfei Sun, Yanhui Liu, Yuanjian Wang, Qinghao Dong, Wanjie Zhao   +4 more
doaj   +1 more source

Performance optimization of geopolymer mortar blending in nano-SiO2 and PVA fiber based on set pair analysis

e-Polymers, 2023
The method of set pair analysis was used to evaluate the comprehensive performance of geopolymer mortar (GM) based on metakaolin and fly ash modified by nano-SiO2 (NS) and polyvinyl alcohol (PVA) fiber, and the design of mix proportion for GM was ...
Zhang Peng, Zhang Xuemei, Yuan Peng, Hu Shaowei   +3 more
doaj   +1 more source

Influence of hydrodynamic processes on the fate of sedimentary organic matter on continental margins [PDF]

, 2018
Understanding the effects of hydrodynamic forcing on organic matter (OM) composition is important for assessment of organic carbon (OC) burial in marginal seas on regional and global scales.
Aller, Aller, Arnarson, Bao, Bao, Bauer, Bianchi, Bianchi, Bianchi, Blair, Blair, Blair, Bröder, Burdige, Burdige, Cameron McIntyre, Canuel, Cartapanis, Cathalot, Chen, Coppola, Cui, Daniel B. Montluçon, Drenzek, Eglinton, Galy, Gao, Goñi, Griffith, Guo, Harris, Hedges, Hilton, Hilton, Hwang, Inthorn, Kao, Keil, Keil, Kusch, Kusch, Leithold, Li, Lie, Liu, Liu, Liu, Liu, Luo, Marwick, Mayer, McCave, McCave, McCave, Meixun Zhao, Milliman, Mollenhauer, Mollenhauer, Mollenhauer, Mollenhauer, Mollenhauer, Mollenhauer, Muller-Karger, Nuwer, Ohkouchi, Pawlowicz, Pedrosa-Pàmies, Qiao, Rui Bao, Saito, Shah, Stuiver, Su, Tao, Tao, Tesi, Tesi, Tesi, Tesi, Tessa S. van der Voort, Thomsen, Thomsen, Timothy I. Eglinton, Voort, Wagner, Wakeham, Wang, Wang, Wang, Wang, Wang, Wang, Wu, Xinyu Guo, Xu, Yang, Yang, Yang, Yang, Yao, Yao, Zhu, Zonneveld   +102 more
core   +1 more source

Cumulative sedimentation hazard map of urban areas subject to hyperconcentrated flash flood: A case study of Suide County in the Wuding River basin, China

Journal of Flood Risk Management
Flash floods can carry substantial sediment, posing significant sedimentation hazards in hilly cities. The sedimentation hazard map can reproduce the sediment thickness and extent of an extreme events scenario, playing an important role in sediment risk ...
Ruixun Lai, Junhua Li, Ping Wang, Yan Guo, Linjuan Xu, Xiangping Zhang, Min Wang, Xiaoli Zhang   +7 more
doaj   +1 more source

Neutralization evolution of concrete under acid rain and carbonation erosion: a review

Journal of Materials Research and Technology, 2023
Concrete structures in atmospheric environments are constantly affected by acid rain and carbon dioxide erosion, and the evolution of concrete neutralization is an important factor influencing the long-term performance of the material.
Jinjun Guo, Xiaomeng Li, Yaoqun Xu, Peng Zhang, Kun Wang   +4 more
doaj   +1 more source

Managing the Yellow River: Questions of Borders, Boundaries and Access

, 2006
The Yellow River basin is the site of myriad water resource problems. The Yellow River has natural geomorphological characteristics that include seasonally variable flow, very high sediment load, and the capacity to flood with devastating effect. However,
Barnett, Jon, Finlayson, Brian, Wang, Mark, Webber, Michael   +3 more
core   +1 more source

The Influence and Mechanism of Polyvinyl Alcohol Fiber on the Mechanical Properties and Durability of High-Performance Shotcrete

Buildings
This study investigates the impact of polyvinyl alcohol (PVA) fibers on the mechanical properties and durability of high-performance shotcrete (HPS). Results demonstrate that PVA fibers have a dual impact on the performance of HPS. Positively, PVA fibers
Ge Zhang, Like Li, Huawei Shi, Chen Chen, Kunpeng Li   +4 more
doaj   +1 more source

Erosion-induced massive organic carbon burial and carbon emission in the Yellow River basin, China [PDF]

, 2014
Soil erosion and terrestrial deposition of soil organic carbon (SOC) can potentially play a significant role in global carbon cycling. Assessing the redistribution of SOC during erosion and subsequent transport and burial is of critical importance. Using
L. Ran, X. X. Lu, Z. Xin
core   +3 more sources

Assessing the freshwater distribution of yellow eel [PDF]

, 2008
In the global context of the decline in wild species, modeling the distribution of populations is a crucial aspect of ecological management. This can be a major challenge, especially for species, such as the European eel, that have complex life cycles ...
Laffaille, Pascal, Lasne, Emilien
core   +6 more sources

Influence Mechanism of Accelerator on the Hydration and Microstructural Properties of Portland Cement

Buildings
Shotcrete is one of the most important types of concrete used in engineering construction, and its properties are significantly influenced by accelerators.
Ge Zhang, Kunpeng Li, Li Like, Shi Huawei, Chen Chen, Chengfang Yuan   +5 more
doaj   +1 more source