Results 41 to 50 of about 13,644 (210)

Theoretical predictions on the influence of moisture on movements of wooden construction elements [PDF]

Biuletyn Wojskowej Akademii Technicznej, 2018
The paper presents a method for determining the creep function of wood. A key feature of this method is a constitutive relation which includes the continuous effect of wood moisture on creep.
Piotr Grobelny, Wojciech Dornowski
doaj   +1 more source

Arthropod‐Inspired Miniature Modular Vibration Direct‐Drive Robot With Untethered Locomotion

Advanced Science, EarlyView.
This work presents an arthropod‐inspired untethered miniature modular vibration direct‐drive robot. By utilizing standardized driving units and nested locking interfaces, on‐demand reconfiguration into quadruped, hexapod, octopod, and circular morphologies is achieved.
Shijing Zhang, Ziteng Liu, Youwei Liu, Dehong Wang, Yingxiang Liu   +4 more
wiley   +1 more source

Modulation of the TGF‐β/Smad Signaling Pathway by a Bioactive Oxidized Polygonati Rhizoma Polysaccharide Crosslinked Chitosan Hydrogel as Therapeutic Carrier for Parkinson's Disease Treatment

Advanced Science, EarlyView.
An injectable, self‐healing COPRP hydrogel integrates structurally defined oxidized Polygonati rhizoma polysaccharide with carboxymethyl chitosan through dynamic Schiff‐base crosslinking. The bioactive matrix scavenges reactive oxygen species, suppresses neuroinflammation, protects dopaminergic neurons, and supports sustained levodopa release.
Peng Dai, Jikuang Zhao, Chang Xue, Kailei Xu, Liang Yong, Zhuangwei Zhang, Yi Huang, Jianwei Shuai, Xianzhen Chen, Sheng Nie, Junpeng Xu   +10 more
wiley   +1 more source

Wooden sacral objects in Bosnia and Herzegovina [PDF]

Građevinski Materijali i Konstrukcije, 2017
Sacral buildings, mosques with wooden minarets and chapel churches, Orthodox and Catholic churches, represent cultural heritage, and are representatives of wood structures in Bosnia and Herzegovina, which are not only interconnected but also connected ...
Ademović Naida, Kurtović Azra
doaj   +1 more source

Longitudinal Awake Mouse Brain Imaging Using Functional Ultrasound and Functional Ultrasound Localization Microscopy

Advanced Science, EarlyView.
Awake longitudinal multimodal ultrasound imaging integrates functional ultrasound (fUS), ultrasound localization microscopy (ULM), and functional ULM (fULM) to characterize cerebrovascular function, microvascular architecture, and flow dynamics within the same animals over time.
Zhe Huang, Yike Wang, Matthew R. Lowerison, Yue Xu, Murong Yi, Bing‐Ze Lin, YiRang Shin, Nathiya Vaithiyalingam Chandra Sekaran, Daniel A. Llano, Pengfei Song   +9 more
wiley   +1 more source

Temperature Distributions in the Cross-Section of Timber Beams Reinforced with Various Steel Elements under Conditions of High Temperatures [PDF]

Archives of Metallurgy and Materials
The article presents numerical calculations of the variable heat flow during fire exposure based on the standard fire curve. The aim of the work was to analyse the temperature distributions in cross-sections for various methods of strengthening wooden ...
D. Jończyk
doaj   +1 more source

H4K12 Lactylation Impairs Dopaminergic Neuron Energy Metabolism via the HIF‐1α/NDUFS1 Pathway in Parkinson's Disease

Advanced Science, EarlyView.
Lactate and H4K12la are elevated in Parkinson's disease. Mechanistically, p300‐mediated H4K12la enrichment at the HIF‐1α promoter upregulates HIF‐1α, which represses Ndufs1, impairing mitochondrial respiration and energy homeostasis in DA neurons.
Yingyao Liu, Xi Li, Wenxuan He, Fenglin Li, Qican Ou, Yao Liu, Jiang Lei, Yanzi Bao, Huaxin Huang, Wei Feng, Yuanguang Tang, Xiaohui Qiu, Lu Gan, Yuefei Shen, Jin Wang, Yousheng Xiao   +15 more
wiley   +1 more source

Hypothalamic POMC Neurons Gate the Fear‐Feeding Trade‐Off

Advanced Science, EarlyView.
Hungry animals must continually arbitrate between feeding and defensive behaviors when confronted with potential threats. We show that hypothalamic POMC neurons engage CRH‐expressing stress circuits and downstream hormonal responses to coordinate this behavioral selection between competing behaviors.
Cristina Miralpeix, Abel Eraso‐Pichot, Vincent Simon, Victor Jouque, Melissa Sadallah, Samantha Clark, Philippe Zizzari, Urszula Skupio, Ana Covelo, Nathalie Dupuy, Jean Charles Nicolas, Astrid Cannich, Thierry Leste‐Lasserre, Guillaume Laplagne, Carmelo Quarta, Giovanni Marsicano, Daniela Cota   +16 more
wiley   +1 more source

Multiscale Interfacial Engineering Enables Robust Reconstituted Wood

Advanced Science, EarlyView.
Conventional adhesives used in wood composites create heterogeneous interfaces that cause stress concentration under humid or aqueous conditions, thereby compromising long‐term stability. A synergistic strategy integrating interfacial reconstruction and water‐induced regeneration transforms heterogeneous interfaces into homogeneous ones with ...
Huizheng Wu, Yi Kong, Liangxian Liu, Yuyan Jiang, Jiahuan He, Haiyu Li, Ming Wei, Dexiu Min, Jian Li, Yanjun Xie, Chi Zhang, Shaoliang Xiao   +11 more
wiley   +1 more source

Firebrand Generation From Thermally-Degraded Cylindrical Wooden Dowels

Frontiers in Mechanical Engineering, 2019
During wildland fires, firebrands form once they break off of burning vegetation or structures. Many are then lofted into the fire plume where they are transported long distances ahead of the fire front, igniting new “spot” fires as they land.
Sara E. Caton-Kerr, Ali Tohidi, Michael J. Gollner   +2 more
doaj   +1 more source