Results 131 to 140 of about 328,877 (316)

Movement Direction Is the Primary Determinant of Force and Impulse in the Knife-Hand Strike (Sonkal Taerigi) in ITF Taekwon-Do

Applied Sciences
Background: The effectiveness of striking techniques in combat sports depends not only on peak force but also on how force is applied over time. The knife-hand strike (sonkal taerigi) in ITF taekwon-do can be executed in inward and outward directions ...
Tomasz Góra, Jacek Wąsik, Michalina Błażkiewicz   +2 more
doaj   +1 more source

An Experimental High‐Throughput Approach for the Screening of Hard Magnet Materials

Advanced Engineering Materials, EarlyView.
An entire workflow for the high‐throughput characterization and analysis of compositionally graded magnetic films is presented. Characterization protocols, data management tools and data analysis approaches are illustrated with test case Sm(Fe, V)12 based films.
William Rigaut, Pierre Le Berre, Hamdi Jaballah, Lukas Fink, Victor Poline, Richard Haettel, Stéphane Grenier, Gilbert Chahine, Ewen Bellec, Guillaume Buatier, Wilfried Hortschitz, Santa Pile, Thomas Schrefl, Nils Blanc, Yuan Hong, Thibaut Devillers, Nora M. Dempsey   +16 more
wiley   +1 more source

Normalization, probability distribution, and impulse responses [PDF]

When impulse responses in dynamic multivariate models such as identified VARs are given economic interpretations, it is important that reliable statistical inferences be provided.
Tao Zha, Daniel F. Waggoner
core  

Experimental and Numerical Modal Analysis of Composite Sandwich Structures Using Surfboards as Model Systems

Advanced Engineering Materials, EarlyView.
This article presents an experimental and numerical modal investigation of composite sandwich structures using surfboards as model systems. By comparing different core materials and reinforcement strategies, the study demonstrates how local stiffeners influence vibrational response and introduce characteristic modal features, highlighting modal ...
Brett Connellan, Luca Lomazzi, Mathis Mercier, Kara Stark, Marc in het Panhuis   +4 more
wiley   +1 more source

The relationship between countermovement jump force-time characteristics and 2,000-m rowing ergometer performance

Frontiers in Sports and Active Living
BackgroundRowing is a strength-endurance sport. The Olympic race distance of 2,000-m (2k) requires extensive aerobic and anaerobic energy system contributions, along with sustained high force output.Aim(s)The primary aim of this study was to evaluate the
Joseph M. DeLeo, Joseph M. DeLeo, Alex Wolf, Nicolas M. Philipp, Kathryn E. Ackerman, Andrew C. Fry   +5 more
doaj   +1 more source

Printed Integrated Logic Circuits Based on Chitosan‐Gated Organic Transistors for Future Edible Systems

Advanced Functional Materials, EarlyView.
Edible electronics needs integrated logic circuits for computation and control. This work presents a potentially edible printed chitosan‐gated transistor with a design optimized for integration in circuits. Its implementation in integrated logic gates and circuits operating at low voltage (0.7 V) is demonstrated, as well as the compatibility with an ...
Giulia Coco, Valerio Francesco Annese, Valerio Galli, Ilaria Penna, Debora Russo, Marina Veronesi, Rita Scarpelli, Stefania Sabella, Mario Caironi   +8 more
wiley   +1 more source

Small Sample Confidence Intervals for Multivariate Impulse Response Functions at Long Horizons

Existing methods for constructing confidence bands for multivatiate impulse response functions depend on auxiliary assumptions on the order of integration of the variables.
Rossi, Barbara, Pesavento, Elena
core  

INFLUENCE OF THE SIZE OF INCLUSIONS ON THE THRESHOLD OF EXPLOSIVE DECOMPOSITION OF MIXTURE COMPOSITIONS ON THE BASIS OF PETN (PENTAERYTHRITYL TETRANITRATE) AND INCLUSIONS OF Ni AND Al UNDER LASER INFLUENCE

Вестник Кемеровского государственного университета, 2014
The paper reveals the dependence of the probability of explosion of PETN with inclusions of nickel and aluminum in two sizes in samples on the density of energy of the initiating laser impulse (1064 nm, 14 ns).
I. Yu. Liskov, B. P. Aduev, D. R. Nurmukhametov, A. P. Nikitin, R. I. Kovalev   +4 more
doaj  

Solvability of a Riemann–Liouville-Type Fractional-Impulsive Differential Equation with a Riemann–Stieltjes Integral Boundary Condition

Fractal and Fractional
In this work, we address the solvability of a Riemann–Liouville-type fractional-impulsive integral boundary value problem. Under some conditions on the spectral radius corresponding to the related linear operator, we use fixed-point methods to obtain ...
Keyu Zhang, Donal O’Regan, Jiafa Xu
doaj   +1 more source

Laser‐Induced Graphene from Waste Almond Shells

Advanced Functional Materials, EarlyView.
Almond shells, an abundant agricultural by‐product, are repurposed to create a fully bioderived almond shell/chitosan composite (ASC) degradable in soil. ASC is converted into laser‐induced graphene (LIG) by laser scribing and proposed as a substrate for transient electronics.
Yulia Steksova, Anna Chiara Bressi, Marina Galliani, Attilio Marino, Gianni Ciofani, Eduardo Machado‐Charry, Hilda Gomez Bernal, Alessandra Francini, Luca Sebastiani, Francesco Greco   +9 more
wiley   +1 more source