Results 61 to 70 of about 270,157 (157)

EL ESPACIO HÁPTICO: MÁS ALLÁ DE LA RAZÓN VISUAL

open access: yesRevista Tempos e Espaços em Educação, 2018
El presente trabajo parte de ciertas ideas de Florencio González Asenjo y James Gibson. En primer lugar ello supone una revisión del concepto de una razón visual, fundada en una concepción puramente óptica de la visión, luego se señala la convergencia de
Alejandro Miroli
doaj   +1 more source

Una crítica inmanente de la lógica de la relevancia

open access: yesCrítica, 2018
In this paper we propose a so-called "immanent críticism" of classical relevance logic R. We labeI this criticism "immanent" in the sense that Anderson and Belnap's syntactical and semantical intuitive concepts of relevance are not put under question ...
José M. Méndez
doaj   +1 more source

Evaluation of extrapolation chamber response for surface and buildup dose assessment in radiotherapy photon beams using Monte Carlo simulations

open access: yesMedical Physics, Volume 53, Issue 4, April 2026.
Abstract Background Surface dose assessment is essential in radiotherapy, but accurately measuring doses in the buildup region of megavoltage beams presents significant challenges. Extrapolation chambers are frequently regarded as the most suitable detectors for this purpose. Purpose To establish under what conditions extrapolation chambers can be used
Cristiano Q. M. Reis   +3 more
wiley   +1 more source

Solving the trophic puzzle: Host–parasite associations in Neotropical fig wasps associated with fig trees of section Americanae

open access: yesEcological Entomology, Volume 51, Issue 2, Page 284-294, April 2026.
We determined the trophic associations among fig wasp species associated with Ficus citrifolia by integrating gall morphology, the temporal sequence of wasp colonization, and oviposition behaviour. Dissection of galls produced by four gall‐inducing species at a late developmental phase enabled direct identification of occupants and inference of host ...
Leví Oliveira Barros   +2 more
wiley   +1 more source

Grass fly evolution unlocked: Phylogenomics and classification of worldwide Chloropidae (Diptera)

open access: yesSystematic Entomology, Volume 51, Issue 2, April‐June 2026.
Phylogenomics resolves deep relationships in Chloropidae. New framework for global Chloropidae classification. Novel morphological synapomorphy for grass flies. Abstract Chloropidae, commonly known as grass flies, is a hyper‐diverse family of true flies thriving in terrestrial ecosystems around the world with importance to conservation and economy ...
Paula R. Riccardi   +3 more
wiley   +1 more source

Canvi de rumb en filosofia de la ciència

open access: yesEnrahonar: Quaderns de Filosofia, 1995
El segle XX apareix filosòficament com un segle de gran dispersió i multiplicitat. Tanmatix, aquesta es pot reduir dràsticament: irracionalisme, sociologia i filosofia social, lògica i metodologia.
Àngel Ros i Bosch
doaj   +1 more source

TRES MOMENTOS DE UNA CONSTRUCCIÓN GEOMÉTRICA: APOLLONIUS DE PERGA, FRANÇOIS VIETE, JOSEPH-DIEZ GERGONNE*

open access: yesRevista Brasileira de História da Matemática, 2020
La tradición matemática –en este caso geométrica- se explicita en la construcción de un círculo tangente a tres círculos dados sobre el plano. De la pléyade de geómetras que la intentan hemos tomado sólo a tres.
Mario H. Otero
doaj   +1 more source

Electromembrane Extraction for Multiclass Pesticide Assessment in Soil Matrices: Sustainable Analytical Insights

open access: yesAnalysis &Sensing, Volume 6, Issue 2, March 2026.
The U‐shaped electromembrane extraction with liquid chromatography‐mass spectrometry enables rapid multiclass pesticide screening in soil. The 15 min, low‐solvent workflow achieves high recoveries and robust linearity, while AGREEprep and GAPI assessments highlight a greener profile compared to literature reports, which represents a smart strategy for ...
Rafael O. Martins   +9 more
wiley   +1 more source

La dimensión ética de la ciencia según Mariano Artigas

open access: yesScientia et Fides, 2016
Muchos autores han escrito sobre las relaciones entre ética y ciencia; y lo han hecho desde enfoques muy diversos. En el presente trabajo se analiza cómo lo hizo Mariano Artigas.
Rubén Herce
doaj   +1 more source

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