Results 51 to 60 of about 219,079 (300)
Fracture and Structural Integrity, 2014 The energy dissipated to the surroundings as heat in a unit volume of material per cycle, Q, was recently proposed by the authors as fatigue damage index and it was successfully applied to correlate fatigue data obtained by carrying out fully reversed ...
G. Meneghetti, M. Ricotta, B. Atzori
doaj
Characteristics of energy storage and dissipation of coal under one‐time cyclic load
Energy Science & Engineering, 2020 Energy is an important research parameter in rock mechanics. To explore the law of energy evolution of coal, a one‐time loading and unloading test under uniaxial compression was conducted on coal taken from four different coal mines.
Kang Peng +6 more
doaj +1 more source
Dynamos at extreme magnetic Prandtl numbers: Insights from shell models
, 2016 We present an MHD shell model suitable for computation of various energy fluxes of magnetohydrodynamic turbulence for very small and very large magnetic Prandtl numbers $\mathrm{Pm}$; such computations are inaccessible to direct numerical simulations ...
Kumar, Rohit, Verma, Mahendra K.
core +1 more source
Global Energetics of Solar Flares: III. Non thermal Energies [PDF]
, 2016 This study entails the third part of a global flare energetics project, in which Ramaty High-Energy Solar Spectroscopic Imager (RHESSI) data of 191 M and X-class flare events from the first 3.5 yrs of the Solar Dynamics Observatory (SDO) mission are ...
Aschwanden, Markus J. +5 more
core +2 more sources
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
Case Studies in Construction MaterialsRevealing the energy evolution and fatigue damage mechanisms of cemented coal gangue under cyclic loading conditions is of great engineering significance for improving the accuracy of long-term stability evaluation and design reliability of underground ...
Yutao Wang +6 more
doaj +1 more source
Energy-based insight into characterization of shakedown behavior of fully weathered red mudstone
Soils and Foundations, 2023 Weathered Red mudstone is widely distributed in Sichuan basin. The compacted weathered red mudstone has been used as subgrade fill materials of high-speed railway in southwestern of China.
Kang Chen +4 more
doaj +1 more source
FEBS Letters, EarlyView.We reconstituted Synechocystis glycogen synthesis in vitro from purified enzymes and showed that two GlgA isoenzymes produce glycogen with different architectures: GlgA1 yields denser, highly branched glycogen, whereas GlgA2 synthesizes longer, less‐branched chains.
Kenric Lee +3 more
wiley +1 more source
Is it possible to formulate least action principle for dissipative systems?
, 2015 A longstanding open question in classical mechanics is to formulate the least action principle for dissipative systems. In this work, we give a general formulation of this principle by considering a whole conservative system including the damped moving ...
+17 more
core +1 more source
Structural biology of ferritin nanocages
FEBS Letters, EarlyView.Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley +1 more source