Results 41 to 50 of about 12,904 (208)
Three-stage flapping-wing mechanism based on double crank and double rocker
To address the limitations of current flapping-wing structures, which fail to achieve complex and variable flight attitudes and lack dexterous bionic performance, this paper introduces a novel three-segment flapping-wing drive mechanism.
Ziyu Wang, Zifan Gao
semanticscholar +1 more source
Borophene: Crucial Challenges and the Way Forward
This review explores the challenges and progress in borophene research, focusing on synthesis strategies, structural properties, and potential applications. It highlights key experimental breakthroughs, discusses theoretical insights into borophene's unique features, and addresses pathways for overcoming stability and scalability issues.
Zhixuan Li +3 more
wiley +1 more source
If gears or chains provide motive-power,some automatic machineries,which need to drive a plurality of parallel axis synchronous rotate will be complicated and high-cost.To solve the problem,a new type of transmission mechanism which called the crank ...
焦楠, 张磊, 张璐
doaj
Various industries see digital transformation (DT) as the pillar to coping with intensified competition, energy crises, and climate change. As a critical sector for DT, the construction industry’s project-oriented paradigm and immature industrialized ...
Mengqi Yuan +3 more
semanticscholar +1 more source
This review comprehensively summarizes the atomic defects in TMDs for their applications in sustainable energy storage devices, along with the latest progress in ML methodologies for high‐throughput TEM data analysis, offering insights on how ML‐empowered microscopy facilitates bridging structure–property correlation and inspires knowledge for precise ...
Zheng Luo +6 more
wiley +1 more source
A new type of transmission mechanism—crank-group driving mechanism and its concept,form of movement,structure and configuration,functions and characteristics,application are introduced,and the foundation for further study on it is provided.
汪玉琪, 曹巨江
doaj
Evolution Model and Driving Mechanism of Urban Logistics Land: Evidence from the Yangtze River Delta
Logistics land is the spatial carrier for the development of logistics enterprises. Its evolution mode and driving mechanism determine the level of high-quality development of the logistics industry, and serve as an important basis for urban planning and
Jun Cao +4 more
semanticscholar +1 more source
Beyond the Edge: Basal‐Plane Defects as the Dominant Catalytic Sites in Sulfur‐Doped Graphene
Identification of basal‐plane sites in sulfur‐doped graphene challenges the conventional edge‐focused catalytic picture. Sulfur dopants together with inevitable oxygen‐containing groups modulate local charge and spin distributions, enhancing lithium binding and activating ORR/NRR intermediates.
Xuanhao Yuan +5 more
wiley +1 more source
The clearance between kinematic pairs in the crank-group driving mechanism is studied.Crank-group driving mechanism is a new type of transmission mechanism,and there must be clearance between kinematic pairs to guarantee the machining precision of the ...
汪玉琪, 曹巨江
doaj
This study uses the new ecological paradigm (NEP) scale to measure the level of environmental concern among beach recreationists, innovatively constructs a model based on the measurement results to depict a group portrait, and analyzes the driving ...
Xiaowei Wu +3 more
semanticscholar +1 more source

