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Bio-based vitrimer-like polyurethane based on dynamic imine bond with high-strength, reprocessability, rapid-degradability and antibacterial ability
Bio-based polyurethane Vitrimer-like Imine bond Rapidly-degradable Antibacterial property
2023/12/8
Synthesis of vitrimer with dynamic?covalent bond?is a surprising solution to overcome the inherent limitations of traditional?thermosets. A bio-based vitrimer-like?polyurethane?formed by?castor oil,?v...
High-strength and self-healable poly (acrylic acid) /chitosan hydrogel with organic-inorganic hydrogen bonding networks
Self-healing hydrogel Hydrogen bonding Organic-inorganic
2023/12/8
Bentonite?is a natural clay mineral with high cationic exchange properties and plays an important role in organic-inorganic composite hydrogels. We report an organic-inorganic cross-linked self-healin...
Developing Reprocessable shape memory thermosetting resins with high thermal resistance and strength through building a crosslinked network based on bismaleimide and epoxy resins
dynamic covalent bond heat resistance mechanical property reprocessability shape memory thermosetting resin
2023/11/16
It is difficult to endow reprocessable shape memory thermosetting resins with outstanding heat resistance and high mechanical strength. Herein, a new kind of reprocessable shape memory thermosetting r...
Soft robots gain new strength（图）
软机器人 电粘离合器 虚拟现实手套
2023/7/7
Soft robots, or those made with materials like rubber, gels and cloth, have advantages over their harder, heavier counterparts, especially when it comes to tasks that require direct human interaction....
3 College Strength Coaches Explain the Biggest Training Mistakes Made by High School Athletes
College Recruiting Training Mistake
2024/12/13
Yes, you may regularly work out. If you’re one of the lucky ones, you’ve had access to a strength coach through your school or a private facility. But collegiate strength and conditioning programs dem...
Using Strength Training To Improve Your Volleyball Serve（图）
Strength Training Volleyball Power Development
2024/12/13
Whether your serve of choice is a floater, jump serve, jump float or just a basic overhand serve, the biomechanical principles are simple. To hit the ball through the defender or to place the ball whe...
The Biggest Mistake in Youth Strength Training Programs
Coaches Strength Training Youth Athletes Youth Sports
2024/12/12
As coaches, we need to teach quality movement first. Loading comes as a distant second. If a coach is not capable of doing that, he or she has no business training young athletes. Nobody can argue tha...
When it comes to toxic microbial warfare, the stronger microbe does not always win.
中国科学院上海应用物理研究所主持制定的ASTM标准《Guide of measurements of graphite strength with molten salt at high temperature》正式发布
ASTM标准 高温熔盐 石墨强度测量
2021/2/25
中国科学院上海应用物理研究所曾广礼研究员主持制定的《Guide of measurements of graphite strength with molten salt at high temperature》（D8377-2021）于2021年1月28日由美国材料与试验协会（ASTM）正式发布出版。该标准涵盖了高温熔盐渗透下石墨强度测量的最优方法，包括了石墨样品的熔盐渗透、温度测量以及压力、拉...
上海应物所主持制定的ASTM标准《Guide of measurements of graphite strength with molten salt at high temperature》正式发布
高温熔盐 测量 评估
2023/11/17
中国科学院上海应用物理研究所曾广礼研究员主持制定的《Guide of measurements of graphite strength with molten salt at high temperature》（D8377-2021）于2021年1月28日由美国材料与试验协会（ASTM）正式发布出版。该标准涵盖了高温熔盐渗透下石墨强度测量的最优方法，包括了石墨样品的熔盐渗透、温度测量以及压力、拉...
A long-distance connection:Polar climate affects trade wind strength in tropics（图）
long-distance connection Polar climate trade wind strength tropics
2020/12/11
It has long been recognized that variations in sea surface temperature in the tropical Pacific affect global climate. The episodic warming of the tropical Pacific during El Niño events causes the...
An injectable self-healing hydrogel-cellulose nanocrystals conjugate with excellent mechanical strength and good biocompatibility
Cellulose nanocrystals (CNCs) Graft Nanocomposite hydrogel Reversible covalent bond Self-healing
2024/2/5
In this work, a novel strategy for the construction of injectable self-healing nanocomposite (NC) hydrogels dominated by reversible boronic ester bonds was demonstrated. Specifically, NC hydrogels wer...
中国地质大学科学技术发展院刘志超（博士研究生）,宁伏龙等工程学院 Geophysical Research Letters, JAN 28 2018, Strength estimation for hydrate-bearing sediments from direct shear tests of hydrate-bearing sand and silt
粉土；砂直剪；测试；含水合物；沉积；地层力学；强度评估
2021/10/21
2018年1月28日，地球物理领域知名期刊《Geophysical Research Letters》刊发了中国地质大学工程学院宁伏龙教授研究团队的研究论文：基于粉土/砂直剪测试的含水合物沉积地层力学强度评估（Strength estimation for hydrate-bearing sediments from direct shear tests of hydrate-bearing sa...
2018年材料强度和应用力学国际会议（International Conference on Material Strength and Applied Mechanics）
2018年 材料强度和应用力学 国际会议
2018/1/11
International Conference on Material Strength and Applied Mechanics (MSAM 2018) will be held from April 10th to 13th, 2018 in Kitakyushu City, Japan. MSAM 2018 will represent a broad forum for all asp...
The Strength of Weak Randomization: Efficiently Searchable Encryption with Minimal Leakage
efficiently searchable encryption encrypted databases
2017/11/13
Efficiently searchable and easily deployable encryption schemes enable an untrusted, legacy service such as a relational database engine to perform searches over encrypted data. The ease with which su...