Results 41 to 50 of about 39,186 (308)
Философия и космология, 2016 The article investigates and further develops the Newton’s hypothesis about the origin of inertial forces. For this purpose the classic interpretation of light aberration phenomenon and the Lorentz — FitzGerald hypothesis — proposed to explain the ...
Alexandr Izbreht
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Miniature Soft Robot With Magnetically Reprogrammable Surgical Functions
Advanced Materials, EarlyView.Miniature soft robots have great prospects to revolutionize minimally invasive treatments. Here we present a miniature soft robot, which can be reprogrammed to perform five surgical functionalities with six‐degrees‐of‐freedom motions. This soft robot can prospectively make minimally invasive surgery considerably safer and painless, and enable ...
Chelsea Shan Xian Ng +4 more
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Comparison of Electrical Load Performance betweenSS4B and HXD2 Electric Locomotive
机车电传动, 2014 HXD2 and SS4B were selected as the representative of AC drive and DC drive electric locomotive respectively. Based on theactual measured data, their electrical load performance were compared in four aspects, i.e. working principle, power factor, harmonic
WANG Shi-shan, WU Ming-li, XUE Jiao
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Advanced Materials, EarlyView.SPARC (spatio‐chimeric, plasma‐based, anisotropic, and shear‐responsive construct) that integrates myogenic and vascular microenvironments within a single construct. The dual‐modulus matrix directs aligned myotube formation and endothelial network development, enabling a vascularized muscle implant that seamlessly anastomoses with host tissue and ...
Su Hyun Jung +6 more
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Plasmonic Nanomachines: Creating Local Potential Gradients and Motions
Advanced Materials, EarlyView.Plasmonic nanomachines can generate optical, thermal, and chemical potential gradients to drive directional rectilinear, rotational, and twisting motions at the nanometer scale. The integration of multimodal plasmonic forces with functional materials and programmed structural distortions enables precise spatiotemporal actuation, thereby providing a ...
Yoonhee Kim +3 more
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Technology Comparison of HXD2 and HXD2B LocomotiveElectric Drive System
机车电传动, 2013 Basic situation of the two harmonic series electric locomotive introduced by Datong Electric Locomotive Co., Ltd. was described. Technology parameter of the locomotives was analyzed, and characteristic, technical data and platform of electric system were
DONG Ming, JIANG Yue-li
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Usage simulation methods for education [PDF]
, 2010 The paper deals with usage of computer simulation methods for education at Department of Electrical and Electronic Engineering and Signaling in Transport, Jan Perner Transport Faculty, University of Pardubice.
Doleček, Radovan, Černý, Ondřej
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Magnetically Actuated Drops‐on‐Stilts Microrobots for Transport and Delivery of Hydrophobic Cargo
Advanced Materials Interfaces, EarlyView.Iron oxide nanoparticles and oil droplets in external magnetic fields form “drops‐on‐stilts” microrobots that transport hydrophobic cargo. Tunable nanoparticle–droplet interactions generate stilt‐like structures. Field rotation enables walking, obstacle navigation, and collective motion.
Oluwafemi Ligan +9 more
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Analysis of kinematic and energy parameters of electric locomotive wheel–rail adhesion
Вестник Научно-исследовательского института железнодорожного транспортаIntroduction. Electric locomotive wheel–rail adhesion is determined by various parameters (kinematic and energetic) that affect the mass and speed of the train, energy consumption, etc.
A. A. Baklanov
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Analysis of emission tests of electromagnetic disturbances in diesel-electric locomotives [PDF]
MATEC Web of Conferences, 2019 This paper discussed the measurement of radiated emissions of electromagnetic disturbances generated by diesel electric locomotive system. The measurement methodology, permissible values of a magnetic and electric field according to EN 50121-3-1 standard
Białoń Andrzej +2 more
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