搜索结果: 1-15 共查到“知识库 工学 Through-bond”相关记录18条 . 查询时间(0.201 秒)
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...
Rapid self-healing and self-adhesive chitosan-based hydrogels by host-guest interaction and dynamic covalent bond as flexible sensor
Conductive hydrogel Chitosan Poly(vinyl alcohol) Host-guest interactions Self-healing Self-adhesiveness Flexible strain sensor
2023/12/8
A sensor used to monitor tissue deformation requires good flexibility, stretchability, self-adhesion, cyto-compatibility, and?antibacterial property. Here, we prepared hydrogel sensor based on?O-carbo...
Epoxy vitrimer based on borate ester bond for green degradation, closed-loop recycling, and ready reprocessing
Green degradation Thermoset Dynamic covalent bond Recyclable
2023/12/1
The three-dimensional network of traditional epoxy resin endows it with suitable properties, but it also presents challenges in reprocessing and recycling. Recent years have witnessed the development ...
Exploring the effects of bound rubber phase on the physical properties of nano-silica composites with a vitrimer-like bond exchangeable matrix
DYNAMIC COVALENT CHEMISTRY CROSS-LINK DENSITY MECHANICAL-PROPERTIES POLYMER NANOCOMPOSITES
2023/11/30
We demonstrate the preparation and unique properties of composite vitrimer-like materials containing silica nanoparticles (SNPs). The matrix is composed of polyacrylate-based polymers crosslinked via ...
A Novel Polyvinyl Alcohol-Based Hydrogel with Ultra-Fast Self-Healing Ability and Excellent Stretchability Based on Multi Dynamic Covalent Bond Cross-Linking
dynamic covalent bonds hydrogels self-healing strain sensors
2023/11/30
A novel self-healing poly(vinyl alcohol) (PVA)-based hydrogel is developed by cross-linking PVA chains through multi dynamic covalent bonds by use of a small cross-linker composed by 4-formylphenylbor...
Bond Risk Premia
Bond Risk Premia central result
2015/7/23
We study time variation in expected excess bond returns. We run regressions of
one-year excess returns on initial forward rates. We find that a single factor, a
single tent-shaped linear combi...
Bond Strength of FRP Laminates to Concrete: State-of-the-Art Review
Bond Strength FRP Laminates
2010/3/5
Rehabilitation of existing infrastructure has become a priority in recent years as an alternative to the daunting costs of rebuilding structures. Traditional repair methods have drawbacks, many of whi...
INFLUENCE OF MUF RESIN CONDENSATION DEGREE ON ADHESIVE BOND PROPERTIES
MUF resin synthesis condensation adhesive bond properties beech veneer
2009/11/26
Melamine-urea-formaldehyde resins with their excellent properties, in particular resistance to humidity and water and colourless adhesive bond, are widely used in the wood industry. In spite of the fa...
Elastic-Plastic Analysis of the Compression Bond of Column Bars in Foundations
Foundation deformed reinforcement anchorage length bond stress slip
2009/10/14
An elastic-plastic analysis of the compression bond of column longitudinal reinforcement in bases is presented. In this analysis, slip failure of the ribbed reinforcing bars due to shear stresses betw...
Bond Strength of Tension Lap-Splices in Full Scale Self-Compacting Concrete Beams
Self-compacting concrete Bond strength Lap splice Full-scale beam Positive bending
2009/9/30
Twelve full-scale beam specimens (2000 × 300 × 200 mm) were tested in positive bending with the loading system designed to determine the effect of self-compacting concrete (SCC) and the diameter of re...
几何参数化计算的柴油机冷却风道键合图模型（Geometry Based Parametric Bond Graph Model of Diesel Cooling Fan-channel Analysis）
柴油机 冷却系统 风扇 流道
2009/9/2
为确定柴油机散热系统的空气流量及空气流速分布规律，以研究散热性能和风扇风道几何参数之间的关系，建立了风扇风道几何尺寸参数化计算的冷却风道键合图模型。通过分析风扇的尺寸和空气动力性能，应用键合图方法分析风扇风道的功率损失，建立了系统模型，系统模型参数均为元件几何参数及空气特性参数，提出了散热器出风口风速分布预测方程，实现了以风扇转速为输入的散热器风道的流量计算及出风口风速分布预测。样机的现场风速测量...
Synergism between Hydrogen Bond-type Ultraviolet Absorbers and Hindered Amine Light Stabilizers
HALS UVA Photo-antioxidant activity Antagonism Synergism
2009/8/4
The synergism of hydrogen bond-type ultraviolet absorbers (UVA), such as phenyl salicylate and benzotriazole type UVA, and hindered amine light stabilizers (HALS) was investigated and compared with t...
A New High Strength Gold Bond Wire
Gold Wire
2009/7/29
A New High Strength Gold Bond Wire.
Variety of valence bond states formed of frustrated spins on triangular lattices based on a two-level system Pd(dmit)2
Pd(dmit)2 salts triangular lattice antiferromagnets
2010/1/19
Recent studies on the physical properties of the triangular system based on the Pd(dmit)2 salts (dmit=1,3-dithiole-2-thione-4,5-dithiolate) are reviewed. Quantum chemical architectures of the Pd(dmit)...
摘要给出了高Bond数下黏性液滴表面Rayleigh-Taylor线性不稳定性的分析解，这种不稳
定性对于超音速气流作用下液滴破碎的早期阶段起着至关重要的作用. 基于稳定性分析的结
果，导出了用于估算稳定液滴的最大直径及液滴无量纲初始破碎时间的计算式，这些计
算式与相关文献给出的实验和分析结果比较显示了良好的一致.