Results 181 to 190 of about 156,516 (318)

Steering Oxygen Activation Pathways via Redox Dual‐Defects in 2D Hydrated WO3 for High‐Yield Singlet Oxygen Evolution

Advanced Functional Materials, EarlyView.
Redox dual‐defects (Cs substitution and O vacancies) in 2D hydrated WO3 steer O2 activation toward selective singlet oxygen evolution. WO‐CO achieves 8.6–15.8 times higher 1O2 production than single‐defect or pristine catalysts, enabling efficient pollutant mineralization via a pathway‐selective photocatalytic mechanism.
Sheng‐Qi Guo, Mingqi Xiao, Fangyuan Zhang, Hui Li, Yuli Jia, Zhenfang Zhang, Liqun Ye, Bo Yang, Tianyi Ma   +8 more
wiley   +1 more source

Study on fault vibration characteristics of shield cutters based on FEM-MBD. [PDF]

Sci Rep
Chen J, Zhang P, Li S, Qiu S, Zhang T.
europepmc   +1 more source

Surface Roughness Effects on the Vibration Characteristics of AT-Cut Quartz Crystal Plate. [PDF]

Sensors (Basel), 2023
Li M, Li P, Li N, Liu D, Kuznetsova IE, Qian Z.   +5 more
europepmc   +1 more source

Bandgap‐Engineered AlGaAs/GaAs Heterostructures for Wavelength‐Selective Dual‐Polarity Photoelectrochemistry

Advanced Functional Materials, EarlyView.
Bandgap‐engineered AlGaAs/GaAs heterostructures exhibit wavelength‐selective dual‐polarity photoelectrochemistry, switching from photocathodic to photoanodic response depending on excitation wavelength. The polarity transition is governed by band‐selective absorption, built‐in electric‐field‐driven carrier transport, and interfacial charge‐transfer ...
Yukai Mao, Lipin Chen, Jules Courtin, Siyu Lin, Gangri Cai, Yan Zhu, Yoan Léger, Nicolas Bertru, Jinshi Zhao, Charles Cornet   +9 more
wiley   +1 more source

The impact of multidirectional excitation on the stick-slip vibration characteristics of a drill string. [PDF]

Sci Rep
Hongshan Z, Wenchang W, Kaixian A.
europepmc   +1 more source

Investigation on forced vibration characteristics of Nitinol tracheal stent. [PDF]

Biomed Eng Online, 2022
Bao YD, Qu SQ, Wei W, Li X.
europepmc   +1 more source

Review of Thermally Activated Twisted Coiled Polymer Actuators: A Materials Science Perspective

Advanced Functional Materials, EarlyView.
Thermally activated twisted and coiled polymer actuators (TCPAs) combine lightweight design, large deformation, and scalable fabrication for soft robotic and wearable applications. This review connects polymer structure, processing history, helix geometry, and thermomechanical characterization to actuator performance, highlighting current challenges in
Nadja Schenk, Lukas Benecke, Chokri Cherif, Johannes Mersch   +3 more
wiley   +1 more source

Modelling and passive correction investigation of vibration induced machining errors on CNC machine tools

Machine tool vibration is a complex subject requiring a multi-disciplinary approach involving the identification and analysis of the vibration sources and characteristics, as well as its direct and indirect effects. Machine tool vibration is influenced
Widiyarto, Muhammad Helmi Nur
core  

The role of the scale and the frequency bandwidth of steering wheel vibration on road surface recognition

, 2006
Automobile drivers are regularly exposed to vibrational stimuli in their vehicle. Of the automobile subsystems, the steering wheel is one of the most important due to its role in controlling the vehicle.
Giacomin, J, Woo, Y J
core  

Effects of Bubbles During Water Resistance Therapy on the Vibration Characteristics of Vocal Folds During the Phonation of Different Vowels. [PDF]

J Clin Med
Kainz MA, Hoppermann R, Pilsl T, Köberlein M, Kirsch J, Döllinger M, Echternach M.   +6 more
europepmc   +1 more source