Results 71 to 80 of about 209,510 (304)
Heliyon, 2022 The impact resistance of semi-autogenous mill liner has an important influence on the reliable operation of the system. The complex dynamic characteristics in the process of collision with abrasive medium are studied by the improved multivariable method ...
Wenwu LIU +4 more
doaj +1 more source
Continuous-variable quantum authentication of physical unclonable keys
, 2017 We propose a scheme for authentication of physical keys that are materialized by optical multiple-scattering media. The authentication relies on the optical response of the key when probed by randomly selected coherent states of light, and the use of ...
Diamanti, Eleni +1 more
core +2 more sources
Advanced Engineering Materials, EarlyView.By combining porous, solid, and carbon fiber‐reinforced thermoplastic polyurethane within a single 3D printed honeycomb structure, this current work achieved precise control over spatial stiffness while ensuring strong interlayer adhesion. The findings demonstrate enhanced energy absorption and densification strain, outperforming traditional uniform ...
Savvas Koltsakidis +2 more
wiley +1 more source
A Novel Simplified Approach to Physically Simulate Wire‐Arc Directed Energy Deposition Conditions
Advanced Engineering Materials, EarlyView.Scarcity of specialized titanium alloy wires and high experimental wire production costs impedes wire‐arc directed energy deposition (waDED) adoption in industry. A novel, wireless approach is introduced to accelerate and economize titanium alloy development.
Martin Klein +4 more
wiley +1 more source
One-way hash function construction based on Chen-type hyper-chaotic system and key-stream
Tongxin xuebao, 2009 A scheme of constructing one-way hash function based on Chen-type hyper-chaotic system and key-stream was proposed. In this scheme, the plain-text and the secret key were used as the initial values of two hyper-chaotic systems, these values were evolved ...
REN Hai-peng, ZHUANG Yuan
doaj +2 more sources
Study of Solid Particle Erosion on Helicopter Rotor Blades Surfaces
Applied Sciences, 2020 In this study, titanium alloy (Ti-4Al-1.5Mn), magnesium alloy (Mg-Li9-A3-Zn3), or aluminum alloy (Al7075-T6) were used to construct the shell model of helicopter rotor blade to study the solid particle erosion of helicopter rotor blades.
Xupeng Bai +4 more
doaj +1 more source
Optimal design for isolation contact of mine-used high voltage distribution device
Meikuang Anquan, 2022 This paper analyzes the existing problems of isolation contact, such as collision and meshing, large current eddy current effect, assembly error, insulation and voltage resistance, in high voltage and high current distribution unit of mining. The product
GUO Bo
doaj +1 more source
Coulomb drag between ballistic quantum wires
, 2012 We develop a kinetic equation description of Coulomb drag between ballistic one-dimensional electron systems, which enables us to demonstrate that equilibration processes between right- and left-moving electrons are crucially important for establishing ...
A. I. Baz' +16 more
core +1 more source
Energy relaxation in graphene and its measurement with supercurrent [PDF]
, 2011 We study inelastic energy relaxation in graphene for low energies to find out how electrons scatter with acoustic phonons and other electrons. By coupling the graphene to superconductors, we create a strong dependence of the measured signal, i.e ...
A. Fay +7 more
core +2 more sources
Advanced Functional Materials, EarlyView.The THz drive of the Mott insulating state of a rare‐earth nickelate induces instantaneous insulator‐metal transition via quantum tunneling of valence electrons across the bandgap. This transition is pure electronic and highly non‐thermal, which may find its applications in ultrafast opto‐electronics with enhanced performance and minimal device size ...
Gulloo Lal Prajapati +7 more
wiley +1 more source