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Breaking the Toughness‐Stretchability Trade‐Off in Hydrogels with Dynamic Hydrogen Bonding

open access: yesAdvanced Science, EarlyView.
A novel nanocomposite hydrogel architecture overcomes the inherent conflict between toughness and stretchability by integrating uniformly dispersed aminopropyl‐hybrid‐phyllosilicate nanosheets within a polyacrylamide matrix. This design leverages a dynamic hydrogen‐bonding network to facilitate efficient energy dissipation and self‐recovery.
Yining Gao   +3 more
wiley   +1 more source
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Numerical methods of nonlinear optimal control based on mathematical programming

Nonlinear Analysis: Theory, Methods & Applications, 1997
In the first half of this paper, we study a primal-dual interior-point algorithm for convex quadratic programming problems in Hilbert space with the object of direct application to continuous-time LQ optimal control problems. Since our problems are infinite-dimensional, it is impossible in general to solve exactly the linear equations for finding a ...
openaire   +2 more sources

Numerical approximation to a class of nonlinear hybrid system with distributed delay via block boundary value methods

Journal of Computational and Applied Mathematics, 2020
Xiaoqiang Yan, Chengjian Zhang
exaly  

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