Results 61 to 70 of about 4,610 (244)
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 +7 more
wiley +1 more source
Development of High-speed EMUs Based on Permanent Magnet Motor Traction System
机车电传动, 2019 Based on the characteristics of permanent magnet motor traction system, the design principles of high-speed EMUs were expounded, and the design characteristics of traction converter and traction motor were discussed.
Donghua WU, Chuanming SUN
doaj
IET Generation, Transmission & Distribution, 2023 With the rapid development of high‐speed railway, the auto‐transformer traction network (ATN) is also expanding. However, due to the improved performance of electric multiple units (EMUs) and the non‐linear relationship between impedance and ground fault
Shuai Wang +4 more
doaj +1 more source
Suited for spacewalking: A teacher's guide with activities [PDF]
, 1992 This publication is an activity guide for teachers on spacesuits and spacewalking. It uses the intensive interest many children have in space exploration as a launching point for hands-on-opportunities.
Manning, Cheryl A., Vogt, Gregory L.
core +1 more source
Demographic and functional responses of wild dogs to poison baiting [PDF]
, 2015 Lethal control of wild dogs - that is Dingo (Canis lupus dingo) and Dingo/Dog (Canis lupus familiaris) hybrids - to reduce livestock predation in Australian rangelands is claimed to cause continental-scale impacts on biodiversity.
Allen, Lee R.
core +2 more sources
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 +5 more
wiley +1 more source
Dynamic Performance Analysis of Adaptability of Gauge Changeable High-speed EMUs
机车电传动, 2019 Gauge changeable high-speed EMUs need to adapt to gauge changes, rail profile and gradient changes, to meet the high-speed operation stability and other dynamic performance requirements.
Guodong LI +3 more
doaj
High-speed EMU Emergency Braking Technology
, 2018 Emergency braking ensures that the EMU stops safely in the shortest distance. This paper presented the triggering condition of emergency braking from the standpoint of fail-safe principle, and introduced the realization method of train security loop.
LUO Feiping +4 more
openaire +1 more source
Spartan Daily, June 13, 1946 [PDF]
, 1945 Volume 34, Issue 154https://scholarworks.sjsu.edu/spartandaily/3783/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core +2 more sources
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 +8 more
wiley +1 more source