Results 51 to 60 of about 15,265 (260)

Rapid-convergence iterative method for Hertzian point contact theory

open access: yesNihon Kikai Gakkai ronbunshu, 2014
Point contact theory between two bodies with constant curvature was built by H. Hertz. His theory is now widely known as "Hertzian contact theory" and it is widely applied to the calculation of the stiffness of ball bearings and CVJs ...
Mototeru OBA
doaj   +1 more source

Rough convergence in 2-normed spaces [PDF]

open access: yes, 2018
Summary: We introduce the notions of rough convergence, rough Cauchy sequence and the set of rough limit points of a sequence and obtain rough convergence criteria associated with this set in 2-normed spaces. Later, we prove that this set is closed and convex.
Arslan, Mukaddes, Dündar, Erdinç
openaire   +3 more sources

Optoelectronic Synaptic Devices Using Molecular Telluride Phase‐Change Inks for Three‐Factor Learning

open access: yesAdvanced Functional Materials, EarlyView.
Optoelectronic synaptic devices based on solution‐processed molecular telluride GST‐225 phase‐change inks are demonstrated for three‐factor learning. A global optical signal broadcast through a silicon waveguide induces non‐volatile conductance updates exclusively in locally electrically flagged memristors.
Kevin Portner   +14 more
wiley   +1 more source

Rough convergence of double sequences

open access: yesGulf Journal of Mathematics, 2014
In this paper, we introduce the notion of rough convergence and the set of rough limit points of a double sequence and obtained two rough convergence criteria associated with this set. Later, we proved that this set is closed and convex. Finally, we examined the relations between the set of cluster points and the set of rough limit points of a double ...
Dündar, Erdinç, Çakan, Celal
openaire   +2 more sources

Robust Electrocaloric Performance Enabled by Highly‐Polar Frustrated Nanodomains in NaNbO3‐Based Ferrodistortive Relaxor

open access: yesAdvanced Functional Materials, EarlyView.
P4bm framework in NaNbO3‐Ba(Ti, Hf)O3 ferrodistortive relaxor entails short‐range and highly‐polar ferrodistortive orders. The abundant highly‐polar orders facilitate to increase entropy change, and robust octahedral oxygen tilt enables to impede thermal perturbations.
Feng Li   +11 more
wiley   +1 more source

Reliability problem of extreme value statistical inference for hydrology and meteorology

open access: yesShui kexue jinzhan, 2012
This paper discusses the unreliability of extreme value statistical inference,its presentation,causes and ways of improving the reliability,practical methods and reliability evaluation.It advances the possibility of applying the phenomenon of super ...
DONG Shuang-lin
doaj   +1 more source

Rough statistical convergence on triple sequences [PDF]

open access: yesProyecciones (Antofagasta), 2017
In this paper, using the concept of natural density, we introduce the notion of rough statistical convergence of triple sequences. We define the set of rough statistical limit points of a triple sequence and obtain rough statistical convergence criteria associated with this set.
Debnath, Shyamal, Subramanian, N.
openaire   +2 more sources

Transparent Deformable Thin Film Electric Heater for Stable and Accurate Control of High Temperatures

open access: yesAdvanced Functional Materials, EarlyView.
Au/GaOx‐based transparent heaters combine high optical transmittance and low sheet resistance with exceptional thermal stability up to 521°C for over 6 h. The interfacial GaOx layer suppresses dewetting of Au and enhances adhesion, ensuring mechanical robustness during deformation and reliability for real‐world applications including grilling ...
Younghyun Lee   +8 more
wiley   +1 more source

Historical Foundation and Practical Guideline for Ferroelectric Switching Kinetic Studies

open access: yesAdvanced Functional Materials, EarlyView.
The P and U pulses in the conventional PUND measurements are not identical because of the interplay between switching current and the measurement circuit components. This circuit effect can lead to a shift in polarization transients and misinterpreted physics in the switching kinetics.
Yi Liang, Pat Kezer, John T. Heron
wiley   +1 more source

Rough convergent functions defined on amenable semigroups

open access: yes, 2023
We would like to thank Scientific and Technological Research Council of Turkey (TUEBITAK) for their support with project number 120F082.
Dundar, Erdinc   +2 more
openaire   +2 more sources

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