Results 41 to 50 of about 566,958 (266)

La cuarta revolución industrial

open access: yesIngenierías USBMed, 2019
Lastresprimerasrevolucionesindustriales,fueronelresultadodelanecesidad de la mecanizaci´on (Primer telar mec´anico 1784, finales del siglo XVIII), la introducci´on de la producci´on en masa de energ´ıa el´ectrica basada en la divisi´on del trabajo ...
Juan Guillermo Patiño Vengoechea
semanticscholar   +1 more source

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

An Algorithm for Global Optimization Inspired by Collective Animal Behavior

open access: yesDiscrete Dynamics in Nature and Society, 2012
A metaheuristic algorithm for global optimization called the collective animal behavior (CAB) is introduced. Animal groups, such as schools of fish, flocks of birds, swarms of locusts, and herds of wildebeest, exhibit a variety of behaviors including ...
Erik Cuevas   +4 more
doaj   +1 more source

Induction Motor Parameter Identification Using a Gravitational Search Algorithm

open access: yesComputers, 2016
The efficient use of electrical energy is a topic that has attracted attention for its environmental consequences. On the other hand, induction motors represent the main component in most industries.
Omar Avalos, Erik Cuevas, Jorge Gálvez
doaj   +1 more source

Rotational-Shearing-Interferometer Response for a Star-Planet System without Star Cancellation

open access: yesApplied Sciences, 2021
The Rotational Shearing Interforometer has been proposed for direct detection of extra-solar planets. This interferometer cancels the star radiation using destructive interference.
Beethoven Bravo-Medina   +3 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

Integrating agent-based models and clustering methods for improving image segmentation

open access: yesHeliyon
Image segmentation through clustering is a widely used technique in computer vision that partitions an image into multiple segments by grouping pixels based on feature similarity. Although effective for certain applications, this approach often struggles
Erik Cuevas   +4 more
doaj   +1 more source

Inteligencia artificial: revolución educativa innovadora en la Educación Superior

open access: yesPixel-Bit, Revista de Medios y Educación
Es una realidad que, en la universidad, la innovación educativa y las inteligencias artificiales están estrechamente relacionadas. Son múltiples los beneficios resultantes de integrar la IA en la práctica docente, así como la mejora el proceso de ...
Virginia Villegas-José   +1 more
semanticscholar   +1 more source

Ciencia-Tecnología-Sociedad vs. STEM: ¿evolución, revolución o disyunción?

open access: yes, 2020
espanolEl presente trabajo trata de dilucidar las posibles relaciones entre dos movimientos educativos de indudable relevancia en la Didactica de las Ciencias Experimentales a lo largo de las ultimas decadas, uno de ellos mas pionero, conocido como ...
F. J. Perales Palacios, David Aguilera
semanticscholar   +1 more source

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