Results 31 to 40 of about 11,436 (251)

Time-dependent behavior of subcritical crack growth for rock plate: Experimental and numerical study

open access: yesInternational Journal of Distributed Sensor Networks, 2018
Time-dependent behavior of subcritical crack growth is one of the main characteristics in rocks. The double-torsion test is commonly used to study the slow crack growth behavior of brittle and quasi-brittle materials.
Haiping Yuan   +5 more
doaj   +1 more source

Stability of the Einstein static Universe in Einstein–Cartan–Brans–Dicke gravity

open access: yesEuropean Physical Journal C: Particles and Fields, 2019
In the present work we consider the existence and stability of Einstein static ES Universe in Brans–Dicke (BD) theory with non-vanishing spacetime torsion.
Hamid Shabani, Amir Hadi Ziaie
doaj   +1 more source

Artificial Intelligence in Systemic Sclerosis: Clinical Applications, Challenges, and Future Directions

open access: yesArthritis Care &Research, EarlyView.
Systemic sclerosis (SSc) is a rare autoimmune disease defined by immune dysregulation, vasculopathy, and progressive fibrosis of the skin and internal organs. Despite advances in care, major complications such as interstitial lung disease (ILD) and myocardial involvement remain the leading causes of morbidity and mortality.
Cristiana Sieiro Santos   +2 more
wiley   +1 more source

Generated Surfaces via Inextensible Flows of Curves in R3

open access: yesJournal of Applied Mathematics, 2016
We study the inextensible flows of curves in 3-dimensional Euclidean space R3. The main purpose of this paper is constructing and plotting the surfaces that are generated from the motion of inextensible curves in R3.
Rawya A. Hussien, Samah G. Mohamed
doaj   +1 more source

Twisting of the zebrafish heart tube during cardiac looping is a tbx5-dependent and tissue-intrinsic process

open access: yeseLife, 2021
Organ laterality refers to the left-right asymmetry in disposition and conformation of internal organs and is established during embryogenesis. The heart is the first organ to display visible left-right asymmetries through its left-sided positioning and ...
Federico Tessadori   +8 more
doaj   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

open access: yesAdvanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich   +3 more
wiley   +1 more source

Shape morphing of soft robotics by pneumatic torsion strip braiding

open access: yesNature Communications
Shape morphing technologies are significant in soft robotic applications. To this end, we introduce a new shape morphing approach using pneumatic torsion strips, inspired by the shape of a Möbius strip.
Changchun Wu   +5 more
doaj   +1 more source

Spiral Compactification with torsion-monodromy locking

open access: yesPhysics Open
We present a unified geometric framework in which spiral compactification with torsion and monodromy locking defines a minimal invariant structure governing spectra, interactions, and stability in a five dimensional Kaluza–Klein type setting.
Matthew C. Allaby
doaj   +1 more source

The Role of Spin(9) in Octonionic Geometry

open access: yesAxioms, 2018
Starting from the 2001 Thomas Friedrich’s work on Spin ( 9 ) , we review some interactions between Spin ( 9 ) and geometries related to octonions. Several topics are discussed in this respect: explicit descriptions of the Spin ( 9 )
Maurizio Parton, Paolo Piccinni
doaj   +1 more source

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