Results 71 to 80 of about 35,241 (259)

Wood‐Derived Nanocellulose‐Biocarbon Fresnel‐Zone Plate Lenses for Sub‐THz Frequency Applications

Advanced Materials Technologies, EarlyView.
Wood‐derived nanocellulose and lignin‐based biocarbon were combined to fabricate fully bio‐based Fresnel zone plate (FZP) lenses for sub‐terahertz frequencies. These sustainable FZP lenses exhibit low dielectric loss and high directivity, achieving performance comparable to that of metallic references, and remain functional under environmental stress ...
Riikka Haataja, Mikko Kokkonen, Niina Halonen, Sami Myllymäki, Umair Rafique, Mandeep Singh, Ossi Laitinen, Heli Jantunen, Kristiina Oksman, Henrikki Liimatainen   +9 more
wiley   +1 more source

Engineering Immunoregenerative Therapy via an Immunomodulatory Binary Pharmacology Hydrogel Depot for Prolonged Allograft Survival

Advanced Science, EarlyView.
An immunomodulatory hydrogel (iGEL) forms spontaneously upon subcutaneous injection, acting as a tissue‐adhesive depot. It releases anti‐rejection and regenerative agents in response to inflammation, suppressing T‐cell activity, promoting vascular repair, and restoring allograft function without systemic immunosuppression.
Ning Wang, Ruiqi Sun, Yang Fu, Zhonghan Wu, Xinyu Tong, Hong Tang, Wentao Zhao, Zhi Liang, Jintao Zheng, Yanan Guan, Ke Zhou, Penghong Song, Shusen Zheng, Hangxiang Wang, Haiyang Xie   +14 more
wiley   +1 more source

Fundamentals of Thermal Transport and Energy Conversion in Ultra‐High Temperature Ceramics: From Microscale Mechanisms to Macroscopic Properties

Advanced Science, EarlyView.
This review critically examines thermal transport and radiative properties of ultra‐high temperature ceramics for hypersonic flight, advanced nuclear systems, and next‐generation energy conversion devices. It explores phonon–photon–electron interactions, microstructural engineering, thermoelectric conversion, and machine learning‐accelerated multiscale
Zhipeng Pei, Yue Li, Jiayu Xing, Yue Zhu, Ru Zhang, Huan Wu, Zihao Qin, Gang Pei, Man Li   +8 more
wiley   +1 more source

Author Correction: Asymptotic dispersion engineering for ultra-broadband meta-optics

Nature Communications, 2023
Yueqiang Hu, Yuting Jiang, Yi Zhang, Xing Yang, Xiangnian Ou, Ling Li, Xianghong Kong, Xingsi Liu, Cheng-Wei Qiu, Huigao Duan   +9 more
doaj   +1 more source

Experimental study of single cubic boron nitride grains in the ultrasound-assisted high-speed grinding

Advances in Mechanical Engineering, 2017
The kinematic characteristics, grinding force, surface quality of workpiece surface, and wear of abrasive particles were studied by theoretical analysis and experimental study on the single cubic boron nitride abrasive particles under ultrasonic-assisted
Dao-hui Xiang, Zhong-yun Liu, Zhi-kun Zhou, Yun-long Yao   +3 more
doaj   +1 more source

Self‐Adaptive Non‐Flammable Wallpaper With Layered Bead‐Network Structure for Light Path Modulation Enabling on‐Demand Building Thermal Management

Advanced Science, EarlyView.
A layered bead‐network wallpaper is designed to modulate the light propagation path, overcoming the color residue limitations of thermochromic components for efficient automatic switching between radiative cooling and solar heating modes. The layered bead‐network wallpaper provides passive, all‐season thermal regulation while offering self‐cleaning and
Jianyu Wu, Linmin Xia, Jiankun Wu, Yuying Yang, Wuhong Zhong, Jianguo Li, Yan Yu, Rilong Yang   +7 more
wiley   +1 more source

Ultrabroadband, achromatic, and non-diffracting perfect optical vortex generation via radial momentum control in dielectric metasurfaces

Nature Communications
Optical vortices, beams that carry a twist, are pivotal in advanced technologies like optical manipulation, optical communications and imaging. However, their utility has been hampered by a fundamental limitation: the size and spread of the beam change ...
Tian Xia, Zhenwei Xie, Qiang Zhang, Wenchun Xiao, Hui Yang, Yueqiang Hu, Huigao Duan, Yangjian Cai, Xiaocong Yuan   +8 more
doaj   +1 more source

Influence of pressure and rotation speed on performance of passive grinding rail

Jin'gangshi yu moliao moju gongcheng, 2020
The influence of pressure and speed on some grinding performance of passive rail grinding, namely the force, the temperature, the efficiency and the rail surface roughness, was studied on a test platform simulating passive grinding by replacing normal ...
LI Duan, LI Huanfeng, LIU Pengzhan
doaj  

Hierarchical Twin Networks Enable Exceptional Strength and Fracture Toughness in Titanium

Advanced Science, EarlyView.
A commercial‐purity titanium with hierarchical ultrafine twin structures delivers an exceptional combination of fracture toughness (KJIc) of 187 MPa·m1/2 and specific yield strength of 140 MPa·cm3·g−1, in which pre‐engineered high‐density twin boundaries stimulate massive and dislocations to blunt crack tip.
Xiao‐Wei Zou, Ting Zhu, En Ma, Wei‐Zhong Han   +3 more
wiley   +1 more source

Sodium Ascorbate‐Accelerated Gelling Hydrogels With Rapid Self‐Mineralized Capacity for Chronic Wounds

Advanced Science, EarlyView.
An immunoregulatory hydrogel based on sodium ascorbate (SA)‐accelerated gelation and in situ self‐mineralization is prepared here. Such a hydrogel is constructed by mixing benzaldehyde‐ and cyanoacetate‐functionalized dextran with silver nitrate (AgNO3) and SA, enabling the ultrafast solidification and in situ self‐mineralization of silver ...
Xiaoya Ding, Wei Yang, Wenzhao Li, Guifang Xu, Yuanjin Zhao   +4 more
wiley   +1 more source