Results 81 to 90 of about 145,661 (263)

Impact of Heat Treatment on the Rubbing Behavior of Bump-Type Foil Journal Bearing

Tribology Online
Under low-speed or start/stop conditions, the rubbing of top foil in foil journal bearing (FJB) prompting the application of heat treatment to improve the rubbing behavior of the foil bearing.
Vishal Mourya, Skylab P. Bhore
doaj   +1 more source

A Versatile‐Designable Framework for Active and Programmable Shape‐Morphing Soft Matter Systems: From Inverse Design to Closed‐Loop Control

Advanced Science, EarlyView.
A versatile framework integrates addressable electrothermal actuation and strain‐constraint mechanisms to construct programmable shape‐morphing soft matter systems. By combining an analytical inverse design strategy for high‐fidelity 3D surface reconstruction with deep learning‐based closed‐loop control, this approach enables zero‐energy shape locking,
Kai Liu, Peiling Xie, Ruitong Song, Banghan Liu, Rui Guo, Jiu‐an Lv   +5 more
wiley   +1 more source

Intelligent Design Method for Thermal Conductivity Topology Based on a Deep Generative Network

Chinese Journal of Mechanical Engineering
Heat dissipation performance is critical to the design of high-end equipment, such as integrated chips and high-precision machine tools. Owing to the advantages of artificial intelligence in solving complex tasks involving a large number of variables ...
Qiyin Lin, Feiyu Gu, Chen Wang, Hao Guan, Tao Wang, Kaiyi Zhou, Lian Liu, Desheng Yao   +7 more
doaj   +1 more source

eEF1G Orchestrates Translation to Ensure Meiotic Progression in Transcriptionally Quiescent Spermatocytes

Advanced Science, EarlyView.
eEF1G supports translation elongation of meiotic mRNAs in transcriptionally quiescent leptotene and zygotene spermatocytes. Its depletion in germ cells causes meiotic arrest at the zygotene stage, with defective homologous synapsis and unstable recombination intermediates.
Jianze Xu, Yuwei Hu, Xukun Lu, Yuling Cai, Tongtong Li, Ming Gao, Jinlong Ma, Yuan Gao, Shangming Liu, Zi‐Jiang Chen, Jing Meng, Hongbin Liu, Xiaohua Jiang   +12 more
wiley   +1 more source

Case study of natural convection topology optimization based on finite volume method

Case Studies in Thermal Engineering
Topology optimization is crucial for improving natural convection cooling devices. This study applies natural convection topology optimization to various engineering cases, including 2D, 3D, inclined, and inverted heat sink with various boundary ...
Honglei Liu, Shuzhe Guo, Ce Liu, Fei Du, Baotong Li, Jun Hong   +5 more
doaj   +1 more source

ANXA2+ Small Extracellular Vesicles Drive Chemoresistance in Anaplastic Thyroid Cancer by Promoting XRCC5 Lactylation and Enhancing Non‐Homologous End‐Joining Repair

Advanced Science, EarlyView.
ANXA2+ sEVs promote cisplatin resistance in ATC by stabilizing the SRC/LDHA interaction, increasing LDHA phosphorylation and activity, and lactate production. Elevated lactate levels promote KAT5‐mediated lactylation of XRCC5 at lysine 265, enhancing its binding to XRCC6.
Shanshan Su, YiShan Xiong, Yuxuan Liang, Xiang Min, Daofeng Dai   +4 more
wiley   +1 more source

Tribological behavior and electrical insulation properties of micro-and nanoscale graphene/β-Si3N4 whisker-reinforced Si3N4 ceramics at low temperature

Journal of Materials Research and Technology
Si3N4 ceramics are ideal materials for liquid rocket turbopump bearings due to their excellent properties such as low-temperature resistance, low density, and wear resistance.
Fei Chen, Xiaobo Sun, Bin Fang, Ke Yan, Jun Hong, Bei Yan   +5 more
doaj   +1 more source

PolyG Fibrils Coalesce Into Nuclear Ribbons That Engage Proteostasis Machinery in Neuronal Intranuclear Inclusion Disease

Advanced Science, EarlyView.
In NIID, expanded NOTCH2NLC repeats give rise to nuclear polyG inclusions. Tracer‐guided in situ cryo‐electron tomography enables cross‐scale structural analysis from mouse brain to native neuronal nuclei, revealing dense‐core/peripheral‐halo inclusions built from compact polyG ribbons.
Hui Dong, Yongcheng Pan, Zhiyao Tang, Yuxuan Yao, Guicong Zhang, Junpu Wang, Haonan Xiao, Yun Tian, Beisha Tang, Dan Li, Qiang Guo, Ruijun Tian, Qiong Liu, Cong Liu   +13 more
wiley   +1 more source

A High‐Resolution Self‐Powered Angular Displacement Sensor Based on Triboelectric Nanogenerator With Time‐Grating

Advanced Science, EarlyView.
A self‐powered phase‐encoding sensing paradigm enables direct motion‐to‐time information conversion, providing a compact and autonomous strategy for high resolution angular displacement measurement. ABSTRACT In modern manufacturing and engineering, angular displacement sensors are crucial for motion control and feedback systems in Electromechanical ...
Shuxian Wang, Donghang An, Shiyou Liu, Zhiyi Wu   +3 more
wiley   +1 more source

Kirigami‐Cut Pattern Designs for the Enhancement of Sensing Performance Induced by Programmable Out‐of‐Plane Deformation

Advanced Science, EarlyView.
Different kirigami patterns are proposed and the parameters are optimized by comparing the out‐of‐plane deformation behavior. Then, the proposed patterns are fabricated on PVDF film using laser technology. The deformed kirigami‐cut PVDF is embedded into PDMS to construct pressure senor.
Xiaodong Huang, Yuhao Wu, Shan Lu, Liguo Qin, Xin Ge, Guangneng Dong, Qiao Hu   +6 more
wiley   +1 more source