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Modulation of interfacial interactions toward strong and tough cellulose nanofiber-based transparent thin films with antifogging feature
Cellulose nanofiber Transparent film Cross-linker Flexibility Toughness Antifogging
2023/12/1
Cross-linking is often performed to overcome the weak mechanical properties of native polymer films in order to expand their functional properties and applications. While this approach offers enhanced...
Self-Healable and Super-Tough Double-Network Hydrogel Fibers from Dynamic Acylhydrazone Bonding and Supramolecular Interactions
hydrogel fiber iota carrageenan dynamic covalent bond double network self-healing
2023/11/30
Macroscopic hydrogel fibers are highly desirable for smart textiles, but the fabrication of self-healable and super-tough covalent/physical double-network hydrogels is rarely reported. Herein, copolym...
Producing biomaterials that match the performance of cartilage and tendons has been an elusive goal for scientists, but a new material created at Cornell demonstrates a promising new approach to mimic...
The strongest part of a tree lies not in its trunk or its sprawling roots, but in the walls of its microscopic cells.
Mechanics of Strong and Tough Cellulose Nanopaper
CARBON NANOTUBE FILM REDUCED GRAPHENE OXIDE STOCHASTIC FIBROUS NETWORKS LANGMUIR-BLODGETT-FILMS
2024/3/8
Cellulose nanopaper, which consists of a porous network of cellulose nanofibrils (CNFs), exhibits excellent mechanical properties with high strength and toughness. The physical mechanisms, including a...
云南师范大学商学院英语阅读课件 It’s Tough at the Top。
Harvard researchers develop tough,self-healing rubber（图）
Harvard researchers tough self-healing rubber
2017/9/5
I magine a tire that could heal after being punctured or a rubber band that never snapped.Researchers from the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) have developed ...
Successful Guide Dogs Have‘Tough Love’ Moms,Penn Study Finds（图）
Guide Dogs Tough Love Moms Penn Study
2017/9/4
Much has been written of the pitfalls of being a helicopter parent, one who insulates children from adversity rather than encouraging their independence.
A new study from the University of Pennsylvan...
Much has been written on the pitfalls of being a "helicopter parent," one who insulates children from adversity rather than encouraging their independence.A new study seems to back up this finding — i...
Tough tail of a seahorse may provide robotic solutions（图）
Tough tail seahorse robotic solutions
2015/7/13
One of the ocean’s oddest little creatures, the seahorse, is providing inspiration for robotics researchers as they learn from nature how to build robots that have capabilities sometimes at odds with ...
EVANSTON, Ill. --- Beavers don’t brush their teeth, and they don’t drink fluoridated water, but a new Northwestern University study reports beavers do have protection against tooth decay built into th...
具有两个谓词和一个论元的英语tough结构有其自身独具的句法语义属性。句法学家们在原则和参数理论框架下为该结构的推导生成提出了各种分析方案：论元移位、非论元移位、侧向移位以及拷贝—提升等分析法。但这些方案要么有违题元准则和/或格位过滤原则，要么混同了论元移位和非论元移位，因此都不能充分解释该结构的生成机制。本论文认为，未来基于最简方案的相关研究应该解决的核心问题是：该结构的主句主语和不定式句中的空...
Your parents were right: Hard experiences may indeed make you tough. Psychological scientists have found that, while going through many experiences like assault, hurricanes, and bereavement can be psy...
Ruin probabilities in tough times - Part 2 - Heavy-traffic approximation for fractionally differentiated random walks in the domain of attraction of a nonGaussian stable distribution
heavy traffic ruin probability fractional random walk FARIMA process Poisson process
2011/3/23
Motivated by applications to insurance mathematics, we prove some heavy-traffic limit theorems for processes which encompass the fractionally differentiated random walk as well as some FARIMA processe...
The composition of the unemployed and long-term unemployed in tough labor markets
composition unemployed and long-term unemployed tough labor markets
2010/11/29
The composition of the unemployed and long-term unemployed in tough labor markets.