Results 31 to 40 of about 1,403,395 (345)

La sociología del deporte en España. Estado de la cuestión

Revista Internacional de Sociología, 2006
En este artículo se analiza el estado de la cuestión de la sociología del deporte en España desde una perspectiva sociológico-histórica, dado que el interés que prima aquí es el de la reconstrucción del desarrollo vivido por esta especialidad de la ...
David J. Moscoso Sánchez
doaj   +1 more source

Effects of sampling rate on automated fatigue recognition in surface EMG signals

Current Directions in Biomedical Engineering, 2015
This study investigated the effects different sampling rates may produce on the quality of muscle fatigue detection algorithms. sEMG signals were obtained from isometric contractions of the arm.
Kahl Lorenz, Eger Marcus, Hofmann Ulrich G.   +2 more
doaj   +1 more source

Upper and lower body coordination in FES-assisted sit-to-stand transfers in paraplegic subjects - A case study

Paladyn, 2011
The objective of the work presented is to improve functional electrical stimulation (FES) assisted sit-to-stand motion in complete paraplegic individuals by restoring coordination between the upper part of the subject’s body, under voluntary control, and
Jović Jovana, Coste Christine Azevedo, Fraisse Philippe, Fattal Charles   +3 more
doaj   +1 more source

Selection of substrate type, substrate color, and vegetation by tadpoles of Dryophytes plicatus [PDF]

Herpetozoa, 2023
The characteristics of microhabitats in streams can drive the distribution of tadpoles. We experimentally examined microhabitat selection of tadpoles of Dryophytes plicatus.
Renato Sánchez-Sánchez, Olga Méndez-Méndez, Jazmín Hernández-Luría, Geoffrey R. Smith, Julio A. Lemos-Espinal   +4 more
doaj   +3 more sources

Autogenous Growth of Hierarchical NiFe(OH)x/FeS Nanosheet‐On‐Microsheet Arrays for Synergistically Enhanced High‐Output Water Oxidation

Advanced Functional Materials, 2019
Practical electrochemical water splitting requires cost‐effective electrodes capable of steadily working at high output, leading to the challenges for efficient and stable electrodes for the oxygen evolution reaction (OER).
S. Niu, Wenjie Jiang, Tang Tang, Lu-Pan Yuan, Hao Luo, Jinsong Hu   +5 more
semanticscholar   +1 more source

Enhanced Sulfur Transformation by Multifunctional FeS2/FeS/S Composites for High‐Volumetric Capacity Cathodes in Lithium–Sulfur Batteries

Advancement of science, 2019
Lithium–sulfur batteries are currently being explored as promising advanced energy storage systems due to the high theoretical specific capacity of sulfur.
Kai Xi, Deqing He, Christopher J. Harris, Yuankun Wang, Chao Lai, Huanglong Li, P. Coxon, Shujiang Ding, Chao Wang, R. Kumar   +9 more
semanticscholar   +1 more source

A model for the formation energies of alanates and boranates [PDF]

, 2006
We develop a simple model for the formation energies (FEs) of alkali and lkaline earth alanates and boranates, based upon ionic bonding between metal cations and (AlH4)- or (BH4)- anions.
Arroyo, Blöchl P. E., Born M., Chung S. C., Geert Brocks, Gilles A. de Wijs, Kresse G., Kresse G., Kresse G., Kresse G., Kresse G., Løvvik O. M., Løvvik O. M., Michiel J. van Setten, Miwa K., Nakamori Y., Peles A., Perdew J. P., Schüth F., Shannon R., Smith M., Vajeeston P., Vajeeston P., Vajeeston P., van Setten M. J., Züttel A.   +25 more
core   +4 more sources

Pyrite formation from FeS and H2S is mediated through microbial redox activity

Proceedings of the National Academy of Sciences of the United States of America, 2019
Significance Pyrite is the most abundant iron−sulfur mineral in sediments. Over geological times, its burial controlled oxygen levels in the atmosphere and sulfate concentrations in seawater.
Joana Thiel, J. Byrne, A. Kappler, B. Schink, M. Pester   +4 more
semanticscholar   +1 more source

FeS@rGO nanocomposites as electrocatalysts for enhanced chromium removal and clean energy generation by microbial fuel cell

, 2020
Bioelectrochemical removal of Cr(VI) and consequent renewable energy generation from wastewater is a promising technology. However, slow reaction kinetics, expensive catalysts, and hydrophobic binders remain a significant challenge for the ...
Jafar Ali, Lei Wang, Hassan Waseem, R. Djellabi, N. A. Oladoja, Gang Pan   +5 more
semanticscholar   +1 more source

Removal of Cadmium from Water Using Sulfidized Natural Hematite

Yankuang ceshi
Cadmium (Cd), a highly toxic heavy metal, readily accumulates in soil and water bodies before entering the food chain, posing threats to ecosystems and human health.
Xueqi ZHANG, Juanjuan LIU, Jing XIONG, Longlong ZHANG, Yang LIU, Yuanying HUANG   +5 more
doaj   +1 more source