Results 31 to 40 of about 609,734 (299)

Comparison and Effect of Persistent Character and Mathematical Process Skills on Fractional Computing Operation Materials in Elementary School

open access: yesJournal of Innovation in Educational and Cultural Research, 2023
To be able to understand a mathematical problem and be able to express thoughts and arguments, and provide solutions to a problem, students need to have persistent character and mathematical processing skills. This study aims to find out whether there is
Kamid Kamid   +6 more
doaj   +1 more source

Some Limitations of Dislocation Walls as Models for Plastic Boundary Layers

open access: yes, 2011
It has recently become popular to analyze the behavior of excess dislocations in plastic deformation under the assumption that such dislocations are arranged into walls with periodic dislocation spacing along the wall direction.
Groma, Istvan, Zaiser, Michael
core   +1 more source

Integral of radical trigonometric functions revisited [PDF]

open access: yes, 2016
This article revisits an integral of radical trigonometric functions. It presents several methods of integration where the integrand takes the form $\sqrt{1 \pm \sin x}$ or $\sqrt{1 \pm \cos x}$. The integral has applications in Calculus where it appears
Karjanto, N., Yermukanova, B.
core   +3 more sources

Development and Preliminary In Vivo Study of 3D‐Printed Bioactive Glass Scaffolds with Trabecular Architecture

open access: yesAdvanced Engineering Materials, EarlyView.
This study reports the fabrication of trabecular bioactive glass scaffolds (composition “1d”: 46.1SiO2‐28.7CaO‐8.8MgO‐6.2P2O5‐5.7CaF2‐4.5Na2O wt%) through vat photopolymerization and the relevant results from mechanical testing and in vivo implantation procedures in rabbit femora, showing great promise for bone tissue engineering applications.
Dilshat Tulyaganov   +8 more
wiley   +1 more source

AGGREGATION AND BRACKETS IN MODERN MATHEMATICS: INTRODUCTION TO LOGICALSEMIOTIC ANALYSIS

open access: yesДокса, 2015
The article is a logical-methodological investigation in semiotic history of mathematics. It is studied in the article the history of meanings of designation of aggregation and using of brackets and other parentheses in mathematics. The term “aggregation”
Тарас Шиян
doaj   +1 more source

Evaluations of k-fold Euler/Zagier sums: a compendium of results for arbitrary k [PDF]

open access: yes, 1996
Euler sums (also called Zagier sums) occur within the context of knot theory and quantum field theory. There are various conjectures related to these sums whose incompletion is a sign that both the mathematics and physics communities do not yet ...
Borwein, J. M.   +2 more
core   +4 more sources

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Introduction of Volume IX Issue 1

open access: yesWOW Stories, 2021
An introduction to WOW Stories Volume IX, Issue 1. This issue presents readers with a range of articles that demonstrate how, through engagement with global literature, students and teachers draw upon personal experiences and beliefs, implement ...
Tracy L. Smiles
doaj  

Internal Temperature Evolution Metrology and Analytics in Li‐Ion Cells

open access: yesAdvanced Functional Materials, EarlyView.
This study investigates the non‐linear evolution of internal temperatures across diverse operating conditions, highlighting the disparities between internal and external measurements and the resulting thermal asymmetries. The coupled thermo‐electrochemical modeling framework provides a comprehensive analysis of various heat generation modes, examining ...
Anuththara S. J. Alujjage   +5 more
wiley   +1 more source

An Improved Complex-Valued Recurrent Neural Network Model for Time-Varying Complex-Valued Sylvester Equation

open access: yesIEEE Access, 2019
Complex-valued time-varying Sylvester equation (CVTVSE) has been successfully applied into mathematics and control domain. However, the computation load of solving CVTVSE will rise significantly with the increase of sampling rate, and it is a challenging
Lei Ding   +5 more
doaj   +1 more source

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