Results 61 to 70 of about 23,022 (259)

Stability of Medicinal Nanoemulsions to Spaceflight: Insights From the StarMed Experiment

open access: yesAdvanced Healthcare Materials, EarlyView.
Chitosan‐coated melatonin nanoemulsions (MN) recovered from a sounding rocket mission preserve droplet size and controlled‐release behavior, whereas uncoated nanoemulsions show ageing‐driven droplet growth and increased accessible drug fraction. Simple polymer coatings thus enhance the flight resilience of liquid space medicines under cumulative launch
Modupe Adebowale   +4 more
wiley   +1 more source

An Obstacle Problem for Noncoercive Operators

open access: yesAbstract and Applied Analysis, 2015
We study the obstacle problem for second order nonlinear equations whose model appears in the stationary diffusion-convection problem. We assume that the growth coefficient of the convection term lies in the Marcinkiewicz space weak-LN.
Luigi Greco   +2 more
doaj   +1 more source

Miniature Soft Robot With Magnetically Reprogrammable Surgical Functions

open access: yesAdvanced 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
wiley   +1 more source

Existence of solutions to a parabolic p(x)-Laplace equation with convection term via L-infinity estimates

open access: yesElectronic Journal of Differential Equations, 2015
This article is devoted to the study of the existence of weak solutions to an initial and boundary value problem for a parabolic p(x)-Laplace equation with convection term.
Zhongqing Li, Baisheng Yan, Wenjie Gao
doaj  

Fitted mesh method for a weakly coupled system of singularly perturbed reaction–convection–diffusion problems with discontinuous source term

open access: yesAin Shams Engineering Journal, 2018
In this article, a parameter-uniform numerical method for a weakly coupled system of singularly perturbed reaction–convection–diffusion problems with discontinuous source term containing two small parameters multiplied to the highest and second highest ...
Pathan Mahabub Basha, Vembu Shanthi
doaj   +1 more source

Field‐Programmed Anisotropy in Magneto‐Piezoelectric Composites for Material‐Encoded Mechanoperception

open access: yesAdvanced Materials, EarlyView.
Field‐programmed anisotropy imparts material‐level intelligence to soft composites. Magnetic torque dynamics drive magneto‐piezoelectric nanowires from random dispersion into deterministic axial alignment. The resulting hierarchical percolation networks confine electromechanical coupling to specific axes and intrinsically decouple superposed force ...
Yubin Kim   +9 more
wiley   +1 more source

Existence of solutions to singular elliptic equations with convection terms via the Galerkin method

open access: yesElectronic Journal of Differential Equations, 2010
In this article, we use the Galerkin method to show the existence of solutions for the following elliptic equation with convection term $$ - Delta u= h(x,u)+lambda g(x, abla u) quad u(x)>0 quad ext{in } Omega, quad u=0 quad ext{on } partial Omega, $
Claudianor Oliveira Alves   +2 more
doaj  

Existence and Uniqueness Results for a Kirchhoff Double-Phase Problem Involving the ψ-Hilfer Derivative

open access: yesMathematics
This work develops an analytical framework for nonlinear fractional partial differential equations that combine Kirchhoff-type terms, double-phase operators, and ψ-Hilfer fractional derivatives.
Najla Mohammed Alghamdi
doaj   +1 more source

On the stability of the equation with a partial boundary value condition

open access: yesBoundary Value Problems, 2018
The degenerate parabolic equation with a convection term is considered. Let Ω be a bounded domain with C2 $C^{2}$ smooth boundary and d(x)=dist(x,∂Ω) $d(x)=\operatorname{dist}(x, \partial\Omega)$ be the distance function from the boundary.
Huashui Zhan
doaj   +1 more source

Topology‐Orchestrated Multi‐physical Energy Control in Turtle Shell‐Inspired Metamaterials

open access: yesAdvanced Materials, EarlyView.
A turtle shell‐inspired lattice metamaterial efficiently manages acoustic, fluid‐thermal, and mechanical energy flows simultaneously. The unique hybrid‐coupling architecture achieves superior sound attenuation via pore‐cavity resonance, facilitates effective airflow transport, and maximizes mechanical energy absorption through multistage cell ...
Xi Wang   +3 more
wiley   +1 more source

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