Results 21 to 30 of about 8,403,063 (390)
Stability of a $d$-dimensional thin-shell wormhole surrounded by quintessence [PDF]
We study the stability of different higher dimensional thin--shell wormholes (HDTSW) in general relativity with a cosmological constant. We show that a $d$--dimensional thin--shell wormhole surrounded by quintessence can have three different throat ...
Bahamonde, Sebastian +2 more
core +2 more sources
Perovskite solar cells are a potential game changer for the photovoltaics industry, courtesy of their facile fabrication and high efficiency. Despite this, commercialization is being held back by poor stability.
Md Arafat Mahmud +11 more
semanticscholar +1 more source
Improved proton conductivity and high durability are now a high concern for proton exchange membranes (PEMs). Therefore, highly proton conductive PEMs have been synthesized from branched sulfonimide-based poly(phenylenebenzophenone) (SI-branched PPBP ...
Sabuj Chandra Sutradhar +6 more
doaj +1 more source
PT Symmetric Schr\"odinger Operators: Reality of the Perturbed Eigenvalues [PDF]
We prove the reality of the perturbed eigenvalues of some PT symmetric Hamiltonians of physical interest by means of stability methods. In particular we study 2-dimensional generalized harmonic oscillators with polynomial perturbation and the one ...
Caliceti, Emanuela +2 more
core +5 more sources
Electric Field-Assisted Filling of Sulfonated Polymers in ePTFE Backing Material for Fuel Cell
This study fabricated a composite ePTFE-backed proton-exchange membrane by filling the pores on the ePTFE backing with sulfonated polyarylene ethers through an externally supplied electric field. The morphology changes were observed under an SEM.
Tung-Li Hsieh +4 more
doaj +1 more source
Global Stability of a Premixed Reaction Zone (Time-Dependent Liñan’s Problem) [PDF]
Global stability properties of a premixed, three-dimensional reaction zone are considered. In the nonadiabatic case (i.e., when there is a heat exchange between the reaction zone and the burned gases) there is a unique, spatially one-dimensional steady ...
Adams Robert A. +10 more
core +2 more sources
Evaluating dimensional stability in solid wood: a review of current practice
The degree with which wood shrinks and swells with changing moisture content is an important property which determines its suitability for different applications.
R. Sargent
semanticscholar +1 more source
This study investigated the effect of pre-impregnation with water-repellent agents on the hygroscopicity and dimensional stability of fir (Abies bornmulleriana Mattf.) and aspen (Populus tremula L.) woods.
Hüseyin Pelit, F. Emiroglu
semanticscholar +1 more source
Three-dimensional stability of the solar tachocline [PDF]
The three-dimensional, hydrodynamic stability of the solar tachocline is investigated based on a rotation profile as a function of both latitude and radius.
A. Sule +10 more
core +1 more source
One-dimensional nonlinear stability of pathological detonations [PDF]
In this paper we perform high-resolution one-dimensional time-dependent numerical simulations of detonations for which the underlying steady planar waves are of the pathological type.
Falle, S.A.E.G., Sharpe, G.J.
core +1 more source

