Tunable phase-gradient-based optical tweezers [PDF]
, 2019 Conventional optical tweezers are generated by the intensity gradient of highly focused laser beams, but the requirement of strong intensity gradient limits the tunability of optical traps.
Fan Nan (1491646) +2 more
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Gradient flows as a selection procedure for equilibria of nonconvex energies [PDF]
, 2006 For atomistic material models, global minimization gives the wrong qualitative behavior; a theory of equilibrium solutions needs to be defined in different terms.
Ortner, Christoph
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Evaluation Model for the Scope of DC Interference Generated by Stray Currents in Light Rail Systems
Energies, 2019 Electrochemical corrosion caused by stray currents reduces the lifespan of buried gas pipelines and the safety of light rail systems. Determining the scope of stray current corrosion will help prevent the corrosion of existing buried pipelines and ...
Chengtao Wang +4 more
doaj +1 more source
On the derivation of effective gradient systems via EDP-convergence [PDF]
, 2019 Diese Dissertation beschäftigt sich mit EDP-Konvergenz. Dabei handelt es sich um einen Konvergenzbegriff auf dem Gebiet der verallgemeinerten Gradientensysteme und metrischen Gradientensysteme, der geeignet ist für Gradientenflüsse, die von einem kleinen
Frenzel, Thomas
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The dynamics of the gradient of potential vorticity [PDF]
Journal of Physics A: Mathematical and Theoretical, 2010 The transport of the potential vorticity gradient $\bnabla{q}$ along surfaces of constant temperature $θ$ is investigated for the stratified Euler, Navier-Stokes and hydrostatic primitive equations of the oceans and atmosphere using the divergenceless flux vector $\bdB = \bnabla Q(q)\times\bnablaθ$, for any smooth function $Q(q)$.
Gibbon, J. D., Holm, D. D.
openaire +2 more sources
Meikuang Anquan, 2020 In this paper, the electrochemical modification of lean coal samples with potential gradients of 1 V/cm, 2 V/cm and 4 V/cm, gas adsorption desorption test of coal samples before and after modification, and the change of pore structure and surface group ...
ZHANG Xiaoyu, KANG Tianhe, ZHANG Runxu, ZHANG Bin, KANG Guanxian, ZHANG Liankun
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Neutralization Reaction Assisted Chemical-Potential-Driven Ion Transport through Layered Titanium Carbides Membrane for Energy Harvesting [PDF]
, 2020 Chemical potential energy harvesting from the concentration gradient has been largely improved recently due to the development of nanofluidic energy conversion systems.
Yue Sun (197395) +7 more
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The 2020 Patagonian solar eclipse from the point of view of the atmospheric electric field
Papers in Physics, 2022 In this study, the response of atmospheric electrical and meteorological variables at three different sites of Argentina are studied during the total solar eclipse of December 14, 2020: Valcheta (100% darkening), Buenos Aires (73%) and El Leoncito (71%).
Yasmin R. Velazquez +7 more
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Childhood conscientiousness predicts the social gradient of smoking in adulthood: a life course analysis. [PDF]
, 2015 The social gradient in smoking is well known, with higher rates among those in less advantaged socioeconomic position. Some recent research has reported that personality characteristics partly explain this gradient. However, the majority of existing work
Pluess, M, Bartley, M
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Motion Driven by Strain Gradient Fields [PDF]
, 2015 A new driving mechanism for direction-controlled motion of nano-scale objects is proposed, based on a model of stretching a graphene strip linked to a rigid base with linear springs of identical stiffness.
Chen, Shaohua +2 more
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