Results 41 to 50 of about 1,324,189 (170)

Pore Structure Analysis and Strength Prediction of Aeolian Sand Concrete at Different Curing Ages [PDF]

长江科学院院报
[Objective] Owing to its abundant availability, aeolian sand can be used in concrete production. To investigate the influence of curing age on the pore structure of aeolian sand concrete, concrete specimens are prepared by replacing river sand with ...
DONG Wei, JIANG Peng-peng, ZHANG Chang-min, SUN An-qi
doaj   +1 more source

Experimental study on typical parameters of thin layer flow of urban underlying surface under different rainfall conditions

Shui kexue jinzhan, 2020
Based on the rainfall intensity of the future science and technology city in Changping, Beijing, the experiments were taken through the indoor rainfall test platform.
Fei LIU, Zhandi DONG
doaj   +1 more source

Cross-scale Study on the Mechanical Properties and Frost Resistance Durability of Aeolian Sand Concrete

KSCE Journal of Civil Engineering, 2021
Many researchers have been searching for the alternative for natural river sand as fine aggregate for concrete preparation. Thus, whether it is feasible to replace natural river sand by aeolian sand in concrete partially or totally is studied. At the macroscale, a universal testing machine and concrete rapid freeze-thaw equipment are applied in testing
Jianwen Bai, Yanru Zhao, Jinna Shi, Xiaoyan He   +3 more
openaire   +1 more source

The disappearance of inland dunes landscape – a case study from southern Poland

Environmental & Socio-economic Studies, 2021
The paper presents changes in the landscape of inland dunes in one of the basins in the eastern part of Silesian Upland. Based on the analysis of archival maps and historical sources, the former dune landscape of Dąbrowa Basin was reconstructed.
Dulias Renata
doaj   +1 more source

Study on Axial Compression Performance of Aeolian Sand Concrete

工程科学与技术, 2020
Mechanical properties of aeolian sand concrete, are important indicators to characterize the performance of aeolian sand concrete. Domestic and foreign scholars have extensively studied the cubic compressive strength, splitting tensile strength and ...
Wei DONG, Yang XIAO, Ying SU, Xiangdong SHEN   +3 more
doaj  

Impact of Sahelian Climate Variables on Solar Photovoltaic Output

Energy Science &Engineering, Volume 14, Issue 10, Page 4891-4909, October 2026.
ABSTRACT Solar photovoltaic (PV) energy is a critical pathway for advancing the energy transition in the Sahel. However, PV module performance in this region is strongly constrained by extreme climatic conditions. This study investigates the effects of (1) wind speed, (2) relative humidity, (3) temperature, (4) dust deposition, and (5) solar irradiance
Koraou Nomaou Abdou‐Rahimou, Adamou Hassane, Ayouba Mahamane Abdoulkadri, Alio Sanda Mahamadou Djibrilla, Moumouni Yacouba, Adamou Rabani   +5 more
wiley   +1 more source

Repeated Pleistocene Permafrost Episodes in the Western Pannonian Basin

Permafrost and Periglacial Processes, Volume 37, Issue 4, Page 623-644, October/December 2026.
ABSTRACT Concerning the study of past periglacial processes, the Pannonian Basin is a key area as it contains the southernmost frost polygons found in Central Europe. The presence or absence of permafrost is still, however, a matter of debate, and data on the timing of frost action are also scarce.
Krisztina Sebe, Ágnes Novothny, Gergely Surányi, Barbara Varga, László Fodor, Gábor Csillag   +5 more
wiley   +1 more source

Subsurface Hydrocarbon Biodegradation in the Context of Microbial Habitability and Hydrogeologic, Thermal, and Geologic Evolution of the Colorado Plateau

Journal of Geophysical Research: Biogeosciences, Volume 131, Issue 10, October 2026.
Abstract Subsurface microbial ecosystems associated with hydrocarbon reservoirs are shaped by temperature, salinity, redox gradients, and fluid flow. However, the drivers of microbial activity and hydrocarbon biodegradation over geologic timescales remain poorly constrained.
Meera P. Shah, Jennifer McIntosh, Peter Reiners, Lydia Bailey, Bradley S. Stevenson, Grant Ferguson, Ji‐Hyun Kim, Henrik Drake, Magdalena R. Osburn   +8 more
wiley   +1 more source

Changes in land‐snail communities and steppe environments in the lower Rhône valley during the Lateglacial–Holocene transition

Boreas, Volume 55, Issue 4, Page 1160-1186, October 2026.
Land snail successions in the lower Rhône valley allow us to reconstruct the postglacial recolonization. From the Lateglacial period onwards, Mediterranean steppe communities appeared. The arrival of forest taxa was significantly delayed by aridity. The question of glacial refugia, both local and distant, primarily concerned Mediterranean species of ...
Frédéric Magnin
wiley   +1 more source

Characteristics of Hydration Products and Multifactor Regression Analysis of Compressive Strength of Aeolian Sand Concrete at Different Ages

Applied Sciences
To alleviate the shortage of natural river sand and promote the utilization of aeolian sand, concrete was prepared by replacing river sand with Taklamakan Desert aeolian sand at different mass ratios.
Xu Guo, Yingsheng Dang, Haijuan Wang, Feng Guo, Zihan Wang   +4 more
doaj   +1 more source