Results 31 to 40 of about 6,605 (124)

O Ensino de matemática da Academia de Comércio de Santa Catarina na década de 1930 e 1940 [PDF]

open access: yes, 2011
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências da Educação, Programa de Pós-Graduação em Educação, Florianópolis, 2011Este trabalho, ancorado nas reflexões de André Chervel(1990) no que tange a história das ...
Faria, Juliano Espezim Soares
core  

Digitalizar polígonos con QGIS

open access: yes, 2021
Muestra cómo crear una capa de polígonos en QGIS 3.10 y cómo digitalizar con precisión en este sistema de información geográfica. Se podrán crear polígonos, mover y corregir vértices, evitar intersecciones entre polígonos y diversas herramientas que ...
Dopazo, C.
core  

Correlation between vegetation pattern and microtopography in periglacial areas of the Central Alps

open access: yesPirineos: Revista de Ecología de Montaña, 1990
[es] Se han analizado los modelos de distribución de especies vegetales en microformas periglaciares pertenecientes al tipo de suelos estructurales en el Ortles-Cevedale (Lombardía, Italia).
Renato Gerdol, Claudio Smiraglia
doaj   +1 more source

Expanding the Ichnofacies Model to Tidal Straits: Testing Predictions and Assessing Anomalies

open access: yesTerra Nova, Volume 38, Issue 1, Page 19-26, February 2026.
ABSTRACT Trace fossils are instrumental in facies analysis, but some depositional environments remain underexplored. Cenozoic deposits in Italy have been studied to evaluate the ichnology of tidal straits. These comprise four zones: (1) strait centre, (2) dune‐bedded strait zone, (3) strait end and (4) strait margin.
Luis A. Buatois   +6 more
wiley   +1 more source

Sobre a área de polígonos convexos

open access: yesCQD Revista Eletrônica Paulista de Matemática, 2017
Calcula-se a área de um polígono convexo de l-ados. Mostra-se a expressão que fornece a área de um quadrilátero convexo, devida a Bretschneider, a qual generaliza a clássica fórmula de ´Brahmagupta, para quadriláteros cíclicos, bem como recupera-se a ...
Gabriela Vicentini de Oliveira   +1 more
doaj   +2 more sources

Fungal Species of Botryosphaeriaceae Associated With Avocado Dieback in Southern Spain

open access: yesPlant Pathology, Volume 75, Issue 1, January/February 2026.
In southern Spain, water scarcity has favoured avocado diseases, causing branch dieback, mummified fruits and cankers. Between 2019 and 2022, 252 fungi were isolated; the most common were Neofusicoccum spp. and Lasiodiplodia sp. Their pathogenic role was confirmed, with Botryosphaeriaceae identified as the main cause of avocado dieback.
María Crespo   +7 more
wiley   +1 more source

Social Infrastructure in Southern Europe: A Diagnostic Tool for Socio‐Territorial Vulnerability in Public Policies

open access: yesSustainable Development, Volume 33, Issue S1, Page 810-822, November 2025.
ABSTRACT The dominant neoliberal management model in major European cities has led to a growing trend toward socio‐economic inequality, with its spatial dimensions highlighting clear contradictions. These social contradictions affect over a quarter of the Spanish population, particularly in the region of Andalusia (Southern Spain), with certain ...
Ricardo Iglesias‐Pascual   +3 more
wiley   +1 more source

Suavização dos Contatos entre Compartimentos de Relevo através de Modelagem por Inferência Fuzzy: Mapeamento Geomorfológico no Município de Presidente Prudente - SP – Brasil

open access: yesRevista Brasileira de Geomorfologia, 2008
Os compartimentos de relevo presentes em mapas geomorfológicos são delimitados por polígonos fechados. Nesse processo de mapeamento, a incerteza presente na delimitação dos polígonos é grande, já que as classes não são homogêneas.
Tiago Matsuo Samizava   +3 more
doaj   +1 more source

Comparison of Oocyte Collection Yield Between Conventional Follicle Scraping and Ultrasound‐Guided Follicle Aspiration in Postmortem Excised Horse Ovaries

open access: yesReproduction in Domestic Animals, Volume 60, Issue 10, October 2025.
ABSTRACT Post‐mortem oocyte collection serves to preserve the genetic material of valuable mares and to obtain recipient oocytes for cloning purposes. Therefore, the number of oocytes retrieved per ovary is a critical factor in increasing the likelihood of obtaining a viable embryo.
Camille Thomé   +4 more
wiley   +1 more source

Seismic Tomography of a Newborn Volcano

open access: yesGeophysical Research Letters, Volume 52, Issue 18, 28 September 2025.
Abstract On 19 September 2021, in La Palma, Canary Islands (Spain), a new volcano, later named Tajogaite, erupted. We determined the shallow seismic tomography model of Tajogaite Volcano, including the 3D distributions of Vp, Vs, and Vp/Vs. The tomography of the volcanic edifice has been performed using a combination of a three‐component amplitude ...
Sergio Gammaldi   +10 more
wiley   +1 more source

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