Results 41 to 50 of about 2,254,685 (313)

Spatio-Temporal Variations in Soil Erosion and Its Driving Forces in the Loess Plateau from 2000 to 2050 Based on the RUSLE Model

Applied Sciences
Assessing the spatio-temporal variability and driving forces of soil erosion on the Loess Plateau is critical for ecological and environmental management.
Jie Min, Xiaohuang Liu, Hongyu Li, Ran Wang, Xinping Luo   +4 more
doaj   +1 more source

Heritability and interindividual variability of regional structure-function coupling

Nature Communications, 2021
White matter structural connections are likely to support flow of functional activation or functional connectivity. While the relationship between structural and functional connectivity profiles, here called SC-FC coupling, has been studied on a whole ...
Zijin Gu, K. Jamison, M. Sabuncu, Amy Kuceyeski   +3 more
semanticscholar   +1 more source

Kinematic-mapping-model-guided analysis and optimization of 2-PSS&1-RR circular-rail parallel mechanism for fully steerable phased array antennas

Defence Technology
This paper presents a systematic methodology for analyzing and optimizing an innovative antenna mount designed for phased array antennas, implemented through a novel 2-PSS&1-RR circular-rail parallel mechanism.
Guodong Tan, Xiangfei Meng, Xuechao Duan, Lulu Cheng, Dingchao Niu, Shuai He, Dan Zhang   +6 more
doaj   +1 more source

Numerical Investigation on the Influence of the Streamlined Structures of the High-Speed Train’s Nose on Aerodynamic Performances

Applied Sciences, 2021
The structural design of the streamlined shape is the basis for high-speed train aerodynamic design. With use of the delayed detached-eddy simulation (DDES) method, the influence of four different structural types of the streamlined shape on aerodynamic ...
Zhenxu Sun, Shuanbao Yao, Lianyi Wei, Yongfang Yao, Guowei Yang   +4 more
doaj   +1 more source

Coupling of substructures for dynamic analyses.

, 1968
A method for treating a complex structure as an assemblage of distinct regions, or substructures, is presented. Using basic mass and stiffness matrices for the substructures, together with conditions of geometrical compatibility along substructure ...
R. Craig, Mervyn Bampton
semanticscholar   +1 more source

Study on the Population Carrying Scale of Arable Land in Southern Xinjiang, China

Land
Research on the carrying capacity of land resources and their outputs to population size will be able to better serve the ecological governance of food security. This paper analyzes the population carrying capacity level of southern Xinjiang by using the
Huanran Liu, Jianli Ding, Xiang Li, Jinjie Wang   +3 more
doaj   +1 more source

Experimental study on the formation of two axial jets of cavitation bubbles near soft membranes with different thicknesses

AIP Advances, 2022
A cavitation bubble collapses non-spherically, splits into two smaller bubbles, and induces two axial jets flowing in opposite directions near a soft membrane. The soft membrane is deformed and even pierced after the impact of the downward jet.
Ao Wang, Yuxue Zhong, Guanghang Wang, Jian Huang, Jingzhu Wang, Yiwei Wang   +5 more
doaj   +1 more source

Development of structure–function coupling in human brain networks during youth

Proceedings of the National Academy of Sciences of the United States of America, 2019
Significance The human brain is organized into a hierarchy of functional systems that evolve in childhood and adolescence to support the dynamic control of attention and behavior.
Graham L. Baum, Zaixu Cui, D. Roalf, R. Ciric, Richard F. Betzel, Bart Larsen, M. Cieslak, Philip A Cook, C. Xia, T. Moore, K. Ruparel, D. Oathes, A. Alexander-Bloch, R. Shinohara, A. Raznahan, R. Gur, R. Gur, D. Bassett, T. Satterthwaite   +18 more
semanticscholar   +1 more source

Prediction of Potential Suitability Areas for Ephedra sinica in the Five Northwestern Provinces of China Under Climate Change

Agriculture
Ephedra sinica (E. sinica) holds significant economic and medicinal importance and is predominantly found in arid areas. Due to the limitations of environmental variables, growth habits, and human activities, the production and suitability areas of E ...
Yibo Xu, Xiaohuang Liu, Lianrong Zhao, Jiufen Liu, Xiaofeng Zhao, Hongyu Li, Chao Wang, Honghui Zhao, Ran Wang, Xinping Luo, Liyuan Xing   +10 more
doaj   +1 more source

Study on mathematical model construction of typical gorge wind field

Engineering Applications of Computational Fluid Mechanics, 2023
Wind conditions in gorges have a significant impact on the safe operation of high-speed trains, due to the lack of a unified gorge wind model and the limitations of traditional simulations that use oversimplified wind models, the complex wind speed ...
Jionghao Cheng, Zhenxu Sun, Shengjun Ju, Guowei Yang, Jun Mao, Dilong Guo   +5 more
doaj   +1 more source