Results 31 to 40 of about 5,741,583 (149)

The problem of improving the quality of seriously issued certified reference materials of the composition of gas mixtures

open access: yesСтандартные образцы, 2019
Currently, in the Russian Federation, the metrological traceability of certified reference materials of the composition of gas mixtures in cylinders under pressure produced by manufacturers of certified reference materials is carried out in accordance ...
L. A. Konopelko   +2 more
doaj   +1 more source

Stochastic Navigation in Smart Cities

open access: yesEnergies, 2017
In this work we show how a simple model based on chemical signaling can reduce the exploration times in urban environments. The problem is relevant for smart city navigation where electric vehicles try to find recharging stations with unknown locations ...
Rubén Martín García   +4 more
doaj   +1 more source

Artificial arenite from wastes of natural sandstone industry

open access: yesMateriales de Construccion, 2019
An artificial arenite was developed from the waste of the sandstone industry. The waste sandstone was treated to obtain different grain sizes that were recombined to reproduce the natural texture.
C. Conde-Vázquez   +2 more
doaj   +1 more source

Security in the Internet of Things Application Layer: Requirements, Threats, and Solutions

open access: yesIEEE Access, 2022
Communication systems and networks are evolving as an integral part of not only of our everyday life but also as a part of the industry, fundamental infrastructures, companies, etc.
Mahmoud Abbasi   +3 more
doaj   +1 more source

A Framework to Improve Energy Efficient Behaviour at Home through Activity and Context Monitoring

open access: yesSensors, 2017
Real-time Localization Systems have been postulated as one of the most appropriated technologies for the development of applications that provide customized services.
Óscar García   +3 more
doaj   +1 more source

Recomendaciones técnicas para la reducción de patologías en el terrazo

open access: yesInformes de la Construccion, 1998
El terrazo puede considerarse el material más popular en nuestro país, utilizado como pavimento en edificación. Pero es curioso que después de un largo periodo de tiempo utilizándose, el resultado es un incremento de las patologías, debidas a una mala ...
Sonia Bautista Carrascosa   +2 more
doaj   +1 more source

Photochemistry of Tetracyclo[7.2.1.04,11.06,10]dodeca-2,7-diene Based Systems

open access: yesCHIMIA, 1987
The feasibility of intramolecular [2+2]- and [6+2]- or [6+6]-photocycloaddition reactions in tetracyclo[7.2.1.04,11.06,10]dodecadienes and mono- or bis-benzoanellated systems as well as the stability of the respective photoisomers are discussed on the ...
Bulusu A.R.C. Murty   +8 more
doaj   +1 more source

Second generation of walnut planted forests in EU

open access: yesAnnals of Silvicultural Research, 2020
- no abstract -
Jesús Fernández Moya   +1 more
doaj   +1 more source

Modelado Dinámico y Control de un Dispositivo Sumergido Provisto de Actuadores Hidrostáticos

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2017
Las corrientes marinas, fuente de energía renovable más predecible, localizan la mayor parte de su energía en altas profundidades. Para aprovechar esta energía se están desarrollando dispositivos flotantes, de tipo fondeado.
Marina Pérez de la Portilla   +3 more
doaj   +1 more source

Organic Cropping System Affects Grain Chemical Composition, Rheological and Agronomic Performance of Durum Wheat

open access: yesAgriculture, 2020
Durum wheat plays a central role for Italy, a country characterized by an historical tradition of pasta making. This crop is one of the major sources of starch in the Mediterranean diet, also providing substantial amounts of nutrients, either essential ...
Gaetano Pandino   +4 more
doaj   +1 more source

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