Results 41 to 50 of about 3,034 (213)

Research on the Integrated Optimization of Timetable and High-Speed Train Routing Considering the Coordination Between Weekdays and Holidays

Mathematics
In recent years, passenger holiday travel momentum continues to increase, which proposes a challenge to the refined transportation organization of China’s high-speed railway. In order to save the cost of transportation organization, this paper proposes a
Zhiwen Zhang, Fengqian Guo, Wenjia Deng, Junhua Chen   +3 more
doaj   +1 more source

Microbial Contribution to Soiling and Its Impact on Photovoltaic Module Soiling in Arid Zones of the Atacama Desert

Advanced Sustainable Systems, EarlyView.
Microorganisms colonizing photovoltaic surfaces in the Atacama desert form biofilms that enhance particle adhesion and reduce energy yield. This study identifies UV‐resistant bacteria and carotenoid‐producing strains that interfere with PV performance.
Douglas Olivares, Ricardo Ortíz, Luis Rojas‐Araya, María Teresa Mata, Felipe Galleguillos, Jaime Llanos, Carlos Portillo, Valentina Escobar, Aitor Marzo   +8 more
wiley   +1 more source

4D Printing of Magnetically Responsive Shape Memory Polymers: Toward Sustainable Solutions in Soft Robotics, Wearables, and Biomedical Devices

Advanced Science, EarlyView.
Merging 4D printing with magneto‐responsive shape memory polymers opens new avenues for intelligent, reconfigurable systems. This review navigates cutting‐edge fabrication techniques, magnetic fillers, and smart polymer matrices, unveiling their potential in soft robotics, biomedical devices, and wearable tech.
Kiandokht Mirasadi, Mohammad Amin Yousefi, Liuchao Jin, Davood Rahmatabadi, Majid Baniassadi, Wei‐Hsin Liao, Mahdi Bodaghi, Mostafa Baghani   +7 more
wiley   +1 more source

An Advanced High‐Performance Ultrafast Ammonium‐Ion Aqueous Battery Based on Dual‐Metal Redox Open Framework Molecular Magnet

Advanced Science, EarlyView.
The Prussian Blue Analogue molecular magnet KMnFeHCF is demonstrated as a high‐performance cathode for ultra‐fast aqueous ammonium‐ion batteries. A full cell using KMnFeHCF and graphite delivers ~71 mAh g−1 at 1.25 A g−1 and ~51 mAh g−1 at 2.2 A g−1, retaining 50% capacity after 1850 cycles. Its scalability, cycling stability, and low cost offer strong
Nilasha Maiti, Pramod Bhatt, Manoj K Sharma, Sher Singh Meena, Mayuresh D Mukadam, Soumen Samanta   +5 more
wiley   +1 more source

Overcoming the Trade‐Off Between Magnetic Coupling and Electrical Insulation in Soft Magnetic Materials via Nanochain Engineering

Advanced Science, EarlyView.
This study employs a nanochain engineering approach combined with an in situ oxidation strategy to fabricate self‐insulating iron‐based magnetic nanochains, addressing the challenge of balancing magnetic coupling and electrical insulation in soft magnetic materials.
Dingrong Zuo, Lichen Liu, Haibo Ke, Rongsheng Bai, Huaping Ding, Jing Zhou, Zhenxiang Cheng, Peng Yu, Weihua Wang   +8 more
wiley   +1 more source

Polyzwitterionic Organohydrogel and Soft Composite with Tunable Sol–Gel Properties Enabling On‐Demand Functionalization with Colloids

Advanced Science, EarlyView.
Poly[2‐(methacryloyloxy)ethyl]dimethyl‐(3‐sulfopropyl)ammonium hydroxide‐based organohydrogels are formed via nonsolvent‐induced gelation, featuring tunable viscoelasticity. Functional fillers (MXene nanosheets, magnetic NdFeB microparticles) enable electrical, magnetic, and mechanical responsiveness for applications in mechano‐tunable electromagnetic ...
Ziyue Miao, Xiaodan Hong, Olli Ikkala, Zhong‐Peng Lv, Bo Peng   +4 more
wiley   +1 more source

Research on High-speed EMUs Lateral Stability

, 2019
The lateral stability of high-speed EMUs is related to passenger comfort and even safety. Summarizing the experience of high-speed railway operation in recent years, the mechanism, influencing factors and solving measures of lateral stability of high-speed EMUs were studied through theoretical research, simulation analysis and application test.
Chuang LIU, Tao LIU, Qingli HAN, Jun FAN, Liang DUAN   +4 more
openaire   +1 more source

Application of Big Data Technology in the Operation and Maintenance for High Speed EMUs

Kongzhi Yu Xinxi Jishu, 2019
In face of large number of high-speed EMUs(electric multiple units), large traffic volume and complex operating environment challenges, this paper proposed a big data artificial intelligence platform for fast and efficient EMU operation and maintenance ...
LIANG Jianying, LIU Shaoqing, FAN Longqing, YU Jin   +3 more
doaj  

Optimization Design Scheme for Aerodynamic Noise Reduction in Pantograph Area of High-speed Railway EMU

Chengshi guidao jiaotong yanjiu
［Objective］ With the increase of train operating speed, noise levels have gradually become a critical factor restricting the development of high-speed railways.
YU Yongge, WANG Chengtao, GAO Yang, YU Wanyi, MA Changfu, ZHANG Guoqin   +5 more
doaj   +1 more source

Evolution of technical requirements for wheelsets for high-speed rolling stock

Вестник Научно-исследовательского института железнодорожного транспорта, 2017
The article presents retrospective review of the technical requirements for the creation and testing of wheelset for speed rolling stock in the Soviet Union and Russia since the 1980s until now.Creation of wheelsets performed using both domestic ...
V. I. Grek, G. I. Mikhaylov, V. I. Dragun   +2 more
doaj   +1 more source