Results 121 to 130 of about 409,559 (300)

Free vibration of rectangular plates with a small initial curvature [PDF]

open access: yes
The method of matched asymptotic expansions is used to solve the transverse free vibration of a slightly curved, thin rectangular plate. Analytical results for natural frequencies and mode shapes are presented in the limit when the dimensionless bending ...
Adeniji-Fashola, A. A., Oyediran, A. A.
core   +1 more source

Sustainable Catalyst‐Free PLG Networks: Recyclability, Biodegradability, and Functional Performance

open access: yesAdvanced Functional Materials, EarlyView.
A catalyst‐additive free covalent adaptable network is developed from star‐shaped poly(lactide‐co‐glycolide) cross‐linked with pyromellitic dianhydride, enabling internal carboxylic acid‐driven transesterification. The resulting biodegradable network exhibits mechanical robustness (Young's modulus ≈1.6 GPa), complete recyclability, rapid biodegradation
Lars Schwarzer   +2 more
wiley   +1 more source

2D Magnetic and Topological Quantum Materials and Devices for Ultralow Power Spintronics

open access: yesAdvanced Functional Materials, EarlyView.
2D magnets and topological quantum materials enable ultralow‐power spintronics by combining robust magnetic order with symmetry‐protected, Berry‐curvature‐driven transport. Fundamentals of 2D anisotropy and spin‐orbit‐coupling induced band inversion are linked to scalable growth and vdW stacking.
Brahmdutta Dixit   +5 more
wiley   +1 more source

From Wafers to Electrodes: Transferring Automatic Optical Inspection (AOI) for Multiscale Characterization of Smart Battery Manufacturing

open access: yesAdvanced Functional Materials, EarlyView.
Automat optical inspection (AOI) techniques in semiconductor fabrication can be leveraged in battery manufacturing, enabling scalable detection and analysis of electrode‐ and cell‐level imperfections through AI‐driven analytics and a digital‐twin framework.
Jianyu Li, Ertao Hu, Wei Wei, Feifei Shi
wiley   +1 more source

Spin Rate and Deflection Ratio of a Ping Pong Ball

open access: yesInternational Scholastic Journal of Science, 2013
To investigate the effects of a spherical object’s spin rate on the curvature of its flight, Ping Pong balls, of varying spin rates, were hit horizontally and recorded from above with a high-speed camera.
Byung Joon Ahn
doaj  

The deflection of fatigued neck

open access: yesProceedings of the National Academy of Sciences
The human neck is a unique mechanical structure, highly flexible but fatigue prone. The rising prevalence of neck pain and chronic injuries has been attributed to increasing exposure to fatigue loading in activities such as prolonged sedentary work and overuse of electronic devices.
Zhou, Yu, Reddy, Curran, Zhang, Xudong
openaire   +2 more sources

High‐Resolution and Real‐Time In Situ Generation of Cellular Spheroids by Laser‐Assisted Bioprinting for Guided Microvascularization

open access: yesAdvanced Functional Materials, EarlyView.
Micro‐injection laser‐assisted bioprinting enables ultrafast and precise patterning of small endothelial cell spheroids by injecting a highly concentrated single‐cell suspension into GelMA/ColMA hydrogels. In co‐culture with fibroblasts, controlled pre‐vasculogenic network formation is obtained at microscale resolution.
Charles Handschin   +9 more
wiley   +1 more source

Accelerator experiments contradicting general relativity

open access: yes, 2014
The deflection of gamma-rays in Earth's gravitational field is tested in laser Compton scattering at high energy accelerators. Within a formalism connecting the bending angle to the photon's momentum it follows that detected gamma-ray spectra are ...
Gharibyan, Vahagn
core  

Nanothermometry in Living Cells: Physical Limits, Conceptual and Material Challenges

open access: yesAdvanced Functional Materials, EarlyView.
Heat and temperature are fundamental to life. When nanothermometers began probing regions as small as a living cell, they triggered controversial claims of large intracellular temperature gradients. We review physical constraints energy‐conservation, entropy production, thermodynamic fluctuations, and molecular dynamics.
Taras Plakhotnik
wiley   +1 more source

On the Direction of the Deflection of a Column.

open access: yesJournal of the Society of Mechanical Engineers, 1937
本論文は両端自由支持の眞直柱が略その軸に沿ふ荷重を受ける場合、柱が如何なる方向に曲るべきかに就て理論的考察を行つたものである。そして荷重の偏心量を限りなく小なりとする際即ちEuler式の場合は、従耒の仮定の様に柱は最も曲り易い方向即ち断面慣性モーメントが最小である方向へ曲るべきであることを論じ、偏心量を微小又は有限とする実際的の場合に於ては、柱の曲り量が荷重の偏心量に比べて余り大きくない際は、偏心の大きさ及び方向並に断面の主慣性モーメントの比如何に依て、柱の曲る方向が一様でないこと及び偏心量が曲り量に比べて充分大きい際は、大抵の場合上記の最も曲り易い方向へ曲ることを述べ、尚柱の當初曲りをも考へに入れる場合並に柱の一端又は両端が固定である場合にも同様の考察が得らるべしと述べてゐる。
openaire   +2 more sources

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