Results 51 to 60 of about 523,551 (354)
Design of ultrabright 270 keV DC photoelectron gun for ultrafast electron diffraction
AIP Advances, 2020 Compact DC photoelectron guns of high-voltage are highly desired to output ultrabright and ultrashort electron pulses for accessing irreversible processes by using the ultrafast electron diffraction (UED) technique.
Jing Yang +3 more
doaj +1 more source
The microphysics of collisionless shock waves [PDF]
Reports on Progress in Physics, 2016 Collisionless shocks, that is shocks mediated by electromagnetic processes, are customary in space physics and in astrophysics. They are to be found in a great variety of objects and environments: magnetospheric and heliospheric shocks, supernova remnants, pulsar winds and their nebul , active galactic nuclei, gamma-ray bursts and clusters of galaxies
Marcowith, Alexandre +14 more
openaire +9 more sources
On Reflection of Shock Waves from Boundary Layers [PDF]
, 1952 Measurements of the reflection characteristics of shock waves from a flat surface with a laminar and turbulent boundary layer are presented. The investigations were carried out at Mach numbers from about 1.3 to 1.5 and a Reynolds number of 0.9 x 10^4.
Dhawan, S., Liepmann, H. W., Roshko, A.
core +1 more source
Atomic Size Misfit for Electrocatalytic Small Molecule Activation
Advanced Functional Materials, EarlyView.This review explores the application and mechanisms of atomic size misfit in catalysis for small molecule activation, focusing on how structural defects and electronic properties can effectively lower the energy barriers of chemical bonds in molecules like H2O, CO2, and N2.
Ping Hong +3 more
wiley +1 more source
First-principles calculations of mechanical and electronic properties of silicene under strain
AIP Advances, 2012 We perform first-principles calculations of mechanical and electronic properties of silicene under strains. The in-plane stiffness of silicene is much smaller than that of graphene.
Rui Qin +3 more
doaj +1 more source
Pressure vessel made by free forming using underwater explosion
International Journal of Multiphysics, 2016 Explosive forming is one particular forming technique, in which, mostcommonly, water is used as the pressure transmission medium. In recentyears, we have done the development of the method which obtains anecessary form of the metal by the control of ...
H Iyama, H Maehara, Y Hidaka, S Itoh
doaj +1 more source
Shock waves on complex networks [PDF]
Scientific Reports, 2014 Power grids, road maps, and river streams are examples of infrastructural networks which are highly vulnerable to external perturbations. An abrupt local change of load (voltage, traffic density, or water level) might propagate in a cascading way and affect a significant fraction of the network.
Enys Mones +3 more
openaire +7 more sources
Shockwaves in Supernovae: New Implications on the Diffuse Supernova Neutrino Background
, 2009 We investigate shock wave effects upon the diffuse supernova neutrino background using dynamic profiles taken from hydrodynamical simulations and calculating the neutrino evolution in three flavors with the S-matrix formalism. We show that the shock wave
Galais, Sebastien +3 more
core +3 more sources
Advanced Functional Materials, EarlyView.Cu‐based catalysts as a cornerstone in advancing sustainable energy technologies are fully reviewed in this manuscript, highlighting their potential in photo‐ and electrocatalysis. It includes metallic copper, copper oxides, copper sulfides, copper halide perovskites, copper‐based metal–organic frameworks (MOFs), and covalent organic frameworks (COFs),
Jéssica C. de Almeida +16 more
wiley +1 more source
Shock Waves in Nanomechanical Resonators [PDF]
Physical Review Letters, 2008 The dream of every surfer is an extremely steep wave propagating at the highest speed possible. The best waves for this are would be shock waves, but are very hard to surf. In the nanoscopic world the same is true: the surfers in this case are electrons riding through nanomechanical devices on acoustic waves.
Beil, Florian W. +5 more
openaire +5 more sources