Results 11 to 20 of about 218,605 (292)

Study of reflection process for nickel coated activated carbon fiber felt applied with electromagnetic interference shielding

open access: yesJournal of Materials Research and Technology, 2019
Nickel coated activated carbon fiber felt (Ni-ACFF) are known as excellent materials for electrostatic dissipation and electromagnetic interference (EMI) shielding.
Miguel Angelo do Amaral Junior   +6 more
doaj   +1 more source

Los sensores de los dispositivos móviles: una herramienta innovadora en la enseñanza de las ciencias físicas

open access: yesModelling in Science Education and Learning, 2023
Mostramos como los sensores incorporados en dispositivos móviles pueden ser utilizados como laboratorios portátiles al servicio de la enseñanza de las ciencias experimentales, especialmente de la física, en los últimos años de la educación media y los ...
Martín Monteiro   +2 more
doaj   +1 more source

Efeitos do solo e clima numa vinha de uva de mesa com cultura de cobertura. Gestão da rega utilizando redes de sensores [PDF]

open access: yes, 2017
[ENG] TThe use of mulches in vineyards and orchards is a traditional agricultural practice used with the aim of saving moisture, reducing weed growth and improving organic matter content in the soil. In table grape vineyards trained to overhead system in
Ferrara, Giuseppe   +5 more
core   +2 more sources

Domotics Project Housing Block

open access: yesSensors, 2016
This document develops the study of an implementation project of a home automation system in a housing placed in the town of Galapagar, Madrid. This house, which is going to be occupied by a four-member family, consists of 67 constructed square meters ...
Carlos Morón   +3 more
doaj   +1 more source

Recent Advances in Research and Development to Increase Shelf Life and Safety of Packaged Foods

open access: yesAgronomía Mesoamericana, 2022
Introducción. El envasado de alimentos ha jugado un papel importante y variado, siempre de acuerdo con los requisitos y exigencias del mercado. Actualmente, estas necesidades se centran en el objetivo de tener alimentos seguros e inocuos durante el ...
Pablo Montero-Prado   +1 more
doaj   +1 more source

Magnetic Sensor for Building Structural Vibrations

open access: yesSensors, 2014
This paper shows a new displacement-to-frequency transducer based on the variation of a coil inductance when a magnetic core is partially or completely inserted inside.
Alfonso García   +2 more
doaj   +1 more source

Materiales supramoleculares: quimiosensores y otras aplicaciones prácticas

open access: yesTecnociencia Chihuahua, 2023
La química supramolecular tiene como uno de sus objetos de estudio el reconocimiento molecular, el cual es un proceso que involucra cierta complementariedad y selectividad por parte de las especies que interactúan entre sí para generar el complejo o ...
Pedro Jancarlo Gomez Vega   +4 more
doaj   +1 more source

Comparative study of the influence of three types of fibre in the shrinkage of recycled mortar

open access: yesMateriales de Construccion, 2018
Construction and demolition waste can be used as a substitution of natural aggregate in mortar and concrete elaboration. A poorer quality of recycled aggregates generally has negative impact on mortar properties.
P. Saiz-Martínez   +3 more
doaj   +1 more source

Mejora de sensores vítreos sol-gel para la conservación preventiva de materiales históricos frente a la acidez [PDF]

open access: yes, 2007
[ES] Los sensores a base de recubrimientos vítreos sol-gel dopados con ácido 2[4-(dimetil-amino) fenilazo] benzoico son capaces de cambiar su absorción óptica cuando se someten a distintas concentraciones de iones H3O+ y OH-. La respuesta de los sensores
Heimbach, F.   +9 more
core   +1 more source

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