Results 141 to 150 of about 2,413,300 (321)
Study of mechanism which causes film formation on mercury surfaces [PDF]
The mechanism by which small quantities of dissolved tin, sodium, and lithium lower the rate of evaporation of mercury in vacuum is determined. An apparatus was built in which dilute amalgams could be prepared and studied in an oxygen-free environment ...
Dunn, D., Frohnsdorff, G.
core +1 more source
Catechol Derivative‐Based Bioadhesives: Molecular Design for Precision Medical Adhesion
Advanced Science, EarlyView.This study utilizes tree‐inspired side‐chain engineering to graft five catechol derivatives onto PVA, systematically revealing how side‐chain length and substituents regulate adhesion and cohesion properties. Among them, the PVA‐CA patch demonstrates superior tissue adhesion, biocompatibility, and promotes regeneration, establishing a programmable ...
Xueyu Wang +8 more
wiley +1 more source
Al-Khawarizmi Engineering Journal, 2010 The design of components subjected to contact stress as local compressive stress is important in engineering application especially in ball and socket Joining.
Fatima Salman, Fathi AL Shamaa
doaj +2 more sources
Bending Angle Design of the Variable Direction Joint for Directional Well Casing Recovery
Shiyou jixie, 2015 Improper variable direction joint bending angle could lead to fish falling during directional well casing recovery.To address the issue,the variable direction joint bending angle should be designed according to the casing damage well curvature.Through ...
Yu Fahao +4 more
doaj
Advanced Science, EarlyView.A neural network‐enabled permittivity engineering paradigm is introduced, transcending traditional trial‐and‐error design. By decoupling electromagnetic parameters and screening a high‐throughput feature space, an ultrathin (1.0 mm) magnetic absorber is inversely designed, experimentally achieving a superior and customizable 5.1 GHz bandwidth and ...
Chenxi Liu +9 more
wiley +1 more source
Лесной журналThe consequences of operating road trains consisting of tractors with pole trailers in difficult road conditions have been described. Promising scientific directions have been presented contributing to increasing the efficiency of tractors with trailed ...
Valeryi I. Posmetyev +5 more
doaj
2D Metal‐Organic Frameworks for High‐Performance Solid‐State Electrolytes: A Comprehensive Review
Advanced Science, EarlyView.In this review, we elucidate the intrinsic advantages, synthetic methodologies, structural characteristics, ion‐transport mechanisms and performance optimization strategies while highlighting representative material systems and applications of 2D MOFs for electrolyte applications.
Changchun Ai +8 more
wiley +1 more source
Correlation between upper limb proprioception and stroke effect of table tennis players
Scientific ReportsThis study aims to evaluate the upper limb proprioception of table tennis players and investigate the correlation between upper limb proprioception and the stroke effect.
Yifan Liu, Han Li, Zengrui Yang, Yi Xiao
doaj +1 more source
Dynamic stability of space vehicles. Volume 3 - Torsional vibration modes [PDF]
Torsional model development and model calculations for cylindrical space vehicle systems and systems employing clustered ...
Gieseke, R., Lukens, D. R., Schuett, R.
core +1 more source
Bioinspired Adaptive Leg‐Claw Enables Robust Perching and Grasping for UAVs
Advanced Science, EarlyView.Inspired by owl limb morphology and bat roosting behavior, this study presents a bioinspired adaptive leg‐claw mechanism that enables UAVs to perform robust and versatile perching and grasping. The design integrates a four‐link tibial structure, tension‐driven deformable feet, and active control, enabling stable perching on various branches and ...
Tianyu Cheng +6 more
wiley +1 more source