Results 71 to 80 of about 384,312 (331)

Lattice Structures for Bone Replacement: The Intersection of Bone Biomechanics, Lattice Design, and Additive Manufacturing

open access: yesAdvanced Materials Technologies, EarlyView.
This review outlines how understanding bone's biology, hierarchical architecture, and mechanical anisotropy informs the design of lattice structures that replicate bone morphology and mechanical behavior. Additive manufacturing enables the fabrication of orthopedic implants that incorporate such structures using a range of engineering materials ...
Stylianos Kechagias   +4 more
wiley   +1 more source

Reflexões e conhecimentos evidenciados por professores que estudam área de figuras planas

open access: yesZetetiké, 2020
This study aims to discuss and understand the process of (re)significance of teachers’ professional knowledge based on discussions and reflections carried out by a group of teachers who teach mathematics for the initial years of the elementary education.
Angelica da Fontoura Garcia Silva   +2 more
doaj   +1 more source

Mathematical description of q‐space in spherical coordinates: Exact q‐ball imaging [PDF]

open access: yesMagnetic Resonance in Medicine, 2009
AbstractNovel methodologies have been recently developed to characterize the microgeometry of neural tissues and porous structures via diffusion MRI data. In line with these previous works, this article provides a detailed mathematical description of q‐space in spherical coordinates that helps to highlight the differences and similarities between ...
Erick Jorge, Canales-Rodríguez   +2 more
openaire   +2 more sources

A note on column subset selection

open access: yes, 2012
Given a matrix U, using a deterministic method, we extract a "large" submatrix of U'(whose columns are obtained by normalizing those of U) and estimate its smallest and largest singular value.
Youssef, Pierre
core   +3 more sources

Flexible Sensor‐Based Human–Machine Interfaces with AI Integration for Medical Robotics

open access: yesAdvanced Robotics Research, EarlyView.
This review explores how flexible sensing technology and artificial intelligence (AI) significantly enhance human–machine interfaces in medical robotics. It highlights key sensing mechanisms, AI‐driven advancements, and applications in prosthetics, exoskeletons, and surgical robotics.
Yuxiao Wang   +5 more
wiley   +1 more source

Difference in out-of-school physical activity patterns, sedentary behavior, and health-related fitness in relation to mathematics achievement among school-aged children: a cross-sectional study

open access: yesFrontiers in Education
AimThis study examined differences in health-related fitness, physical activity patterns, and sedentary behavior among Qatari schoolchildren, classified by their mathematics achievement levels.MethodsNinety-eight schoolchildren (age: 12.1 ± 0.5 years ...
Souhail Hermassi   +6 more
doaj   +1 more source

W.W. Rouse Ball and the mathematics of string figures

open access: yesHistoria Mathematica, 2014
This article examines a chapter of the popular book Mathematical Recreations and Essays (5th to 9th editions) written by the Cambridge mathematician Walter William Rouse Ball (1850–1925). This chapter is devoted to “String Figures”, a procedural activity which consists in producing geometrical forms with a loop of string and which is carried out in ...
openaire   +4 more sources

Formation Control of Multi‐Agent System with Local Interaction and Artificial Potential Field

open access: yesAdvanced Robotics Research, EarlyView.
This article proposes a local interaction‐based formation control method for Multi‐Agent system, integrating consensus and leader‐follower strategies with a stress response mechanism—artificial potential field to reduce communication overhead and enable obstacle avoidance. Experimental results on triangular, square, and hexagonal formations confirm its
Luoyin Zhao   +3 more
wiley   +1 more source

Burn‐Safe Biodegradable Magnetocaloric Composites for Temperature‐Controlled Biomedical Applications

open access: yesAdvanced Science, EarlyView.
This work investigates a magnetocaloric (Mn,Fe)2(P,Si) compound tailored for precise, self‐regulating heating in biomedical use. With a Curie temperature tuned at 43 °C, it enables therapeutic activation without overheating. Encapsulation in a composite ensures controlled temperature rise under an alternating magnetic field (AMF), with high ...
Pornpawee Uliss   +8 more
wiley   +1 more source

The Students Algebraic Thinking Processed in Mathematic Problem Solving at Low Mathematic Ability Student Based on Quantitative Reasoning Ability

open access: yesEdumatika, 2018
Quantitative Reasoning is the students' ability to concluded a problem solved. The purpose of this research has information about algebraic thinking processed on the student with low ability based on Quantitative Reasoning ability.
Dewi Purnama Sari, Feny Rita Fiantika
doaj   +1 more source

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