Results 11 to 20 of about 535,302 (175)

Smart Multi-Sensor System for Remote Air Quality Monitoring Using Unmanned Aerial Vehicle and LoRaWAN

open access: yesSensors, 2022
Deaths caused by respiratory and cardiovascular diseases have increased by 10%. Every year, exposure to high levels of air pollution is the cause of 7 million premature deaths and the loss of healthy years of life.
Rosa Camarillo-Escobedo   +4 more
doaj   +1 more source

A Chaos-Embedded Gravitational Search Algorithm for the Identification of Electrical Parameters of Photovoltaic Cells

open access: yesEnergies, 2017
Solar energy is used worldwide to alleviate the daily increasing demands for electric power. Photovoltaic (PV) cells, which are used to convert solar energy into electricity, can be represented as equivalent circuit models, in which a series of ...
Arturo Valdivia-González   +5 more
doaj   +1 more source

Changes during Cooking Processes in 6 Varieties of Andean Potatoes (Solanum tuberosum ssp. Andinum) [PDF]

open access: yes, 2015
The value of the native potato varieties grown in Argentinean northwest lies both in their fundamental role as a source of food for the population and in their potential for the development of new products.
Jimenez, María Eugenia   +2 more
core   +1 more source

A States of Matter Search-Based Approach for Solving the Problem of Intelligent Power Allocation in Plug-in Hybrid Electric Vehicles

open access: yesEnergies, 2017
Recently, many researchers have proved that the electrification of the transport sector is a key for reducing both the emissions of green-house pollutants and the dependence on oil for transportation.
Arturo Valdivia-Gonzalez   +5 more
doaj   +1 more source

DIGITAL ELEVATION MODEL FROM NON-METRIC CAMERA IN UAS COMPARED WITH LIDAR TECHNOLOGY [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Digital Elevation Model (DEM) data as a representation of surface topography is highly demanded for use in spatial analysis and modelling. Aimed to that issue many methods of acquisition data and process it are developed, from traditional surveying ...
O. M. Dayamit   +3 more
doaj   +1 more source

In vivo anti-inflammatory activity of M116, one extract obtained from the marine bacterium Bacillus amyloliquefaciens [PDF]

open access: yesJournal of Pharmacy & Pharmacognosy Research, 2023
Context: Marine organisms are sources of compounds with anti-inflammatory activity, many of them derived from the secondary metabolites produced by microorganisms. Aims: To evaluate the possible anti-inflammatory effect of M116, an extract obtained by
Ivones Hernández-Balmaseda   +6 more
doaj   +1 more source

Naturaleza y arqueología: la reproducción en sociedades cazadoras-recolectoras o la primera revolución reproductiva

open access: yesRevista Atlántica-Mediterránea de Prehistoria y Arqueología Social, 2010
La explicacion para las sociedades cazadoras-recolectoras prehistoricas se basa en procesos inferenciales y analogicos que toman como referencia las sociedades cazadoras-recolectoras modernas. Sin embargo ninguna sociedad estudiada por la Etnografia era primitiva y mucho menos prehistorica.
Assumpció Vila, Jordi Estévez
openaire   +1 more source

An Improved Crow Search Algorithm Applied to Energy Problems

open access: yesEnergies, 2018
The efficient use of energy in electrical systems has become a relevant topic due to its environmental impact. Parameter identification in induction motors and capacitor allocation in distribution networks are two representative problems that have strong
Primitivo Díaz   +6 more
doaj   +1 more source

Revoluciones semilegales en el Mediterráneo [PDF]

open access: yes, 1979
Este artículo presenta un estudio de tres casos de revolución semilegal -Egipto, España y Alemania- acentuando particularmente el énfasis en las dos primeras por su carácter de revoluciones democratizadoras.
Cooper, Mark N.
core   +3 more sources

Arginine substitution by alanine at the P1 position increases the selectivity of CmPI-II, a non-classical Kazal inhibitor

open access: yesBiochemistry and Biophysics Reports, 2021
CmPI-II is a Kazal-type tight-binding inhibitor isolated from the Caribbean snail Cenchritis muricatus. This inhibitor has an unusual specificity in the Kazal family, as it can inhibit subtilisin A (SUBTA), elastases and trypsin. An alanine in CmPI-II P1
Laritza Rojas   +5 more
doaj   +1 more source

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