Results 41 to 50 of about 1,787,073 (298)
Time after time – circadian clocks through the lens of oscillator theory
FEBS Letters, EarlyView.Oscillator theory bridges physics and circadian biology. Damped oscillators require external drivers, while limit cycles emerge from delayed feedback and nonlinearities. Coupling enables tissue‐level coherence, and entrainment aligns internal clocks with environmental cues.
Marta del Olmo +2 more
wiley +1 more source
Scientific ReportsThis study aims to provide a new process to improve the welding performance of steel/magnesium dissimilar materials, using an ultrasonic-laser welding-brazing method to joints AZ31B magnesium alloy on 304 stainless steel.
Bing Wang +7 more
doaj +1 more source
Advances in Mechanical Engineering, 2022 There is inevitably an angular offset during contact of mechanical structures such as roller bearings or gears. Most of the previous contact models involve the contact between two parallel cylinders.
Tieneng Guo, Ruguo Ji, Yunfei Ma
doaj +1 more source
Rapid Machine Tool Verification [PDF]
Procedia CIRP, 2014 AbstractThis paper describes work carried out to develop methods of verifying that machine tools are capable of machining parts to within specification, immediately before carrying out critical material removal operations, and with negligible impact on process times.
Muelaner, J. E. +4 more
openaire +3 more sources
The newfound relationship between extrachromosomal DNAs and excised signal circles
FEBS Letters, EarlyView.Extrachromosomal DNAs (ecDNAs) contribute to the progression of many human cancers. In addition, circular DNA by‐products of V(D)J recombination, excised signal circles (ESCs), have roles in cancer progression but have largely been overlooked. In this Review, we explore the roles of ecDNAs and ESCs in cancer development, and highlight why these ...
Dylan Casey, Zeqian Gao, Joan Boyes
wiley +1 more source
The inhibition mechanism of ultrasonic vibration on stick-slip phenomenon of sliding friction pair
Scientific ReportsFrictional vibration often occurs during sliding, commonly referred to as the stick-slip phenomenon. It is more likely to occur in the range of the Stribeck curve, where friction and velocity have negative gradient characteristics.
Lingjie Luo +6 more
doaj +1 more source
Омский научный вестникThis review provides an assessment of the influence of the parameters of the laser hardening mode on the quality of the surface and the surface layer.
S. V. Petrochenko +3 more
doaj +1 more source
Advances in Mechanical Engineering, 2016 A new spindle’s axial thermal growth model based on temperature variation is proposed considering the limitations of spindle’s axial thermal growth model based on rotating speed.
Kuo Liu +4 more
doaj +1 more source
Innovative Service-Based Business Concepts for the Machine Tool Building Industry [PDF]
, 2009 Organised by: Cranfield UniversityDuring the last decade, machine tool building companies have been forced to put innovative offers on the market. Due to the technical features of their products and the prevailing organizational structures in this ...
Biege, S. +4 more
core
In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
wiley +1 more source