Results 141 to 150 of about 1,768,958 (263)

Pollution detection in the atmosphere of the Neuquén city by biomass burning from 18th to 22nd February 2015 [PDF]

open access: yes, 2018
El humo provocado por una importante quema de biomasa en la provincia de Chubut,cerca del Parque Nacional Los Alerces, en febrero de 2015, fue trasportado por efecto de los vientos a diferentes zonas de la Patagonia.
Bali, Juan Lucas   +15 more
core  

Droughts and human impact in the ancient Uaymil region of the Maya lowlands inferred from a 2800‐year sedimentary archive at Lake Kaná, Mexico

open access: yesBoreas, EarlyView.
The relationship between the climate and societal transformation in Maya lowlands has long been debated, particularly the role of drought in shaping the civilization trajectory during the Classic Period. A high‐resolution, multi‐proxy, geochemical record from Lake Kaná, located in the underexplored Uaymil region of the Yucatán Peninsula in Mexico ...
Haydar B. Martinez‐Dyrzo   +5 more
wiley   +1 more source

Unidad didáctica : la familia [PDF]

open access: yes, 2013
La familia es el primer grupo social con el que los niños interactúan desde su nacimiento. Consecuentemente, conocer este grupo y saber desenvolverse en él les ayudará a acercarse a organizaciones sociales más complejas.
Amundarain Castellano, Ainara   +3 more
core  

Frontotemporal dementia: Clinical aspects, genetics, and neuropathology of a family with a C9ORF72 expansion in Argentina

open access: yesBrain Pathology, EarlyView.
Immunohistochemistry for TDP‐43: (A)—Dentate gyrus; (B)—Temporal lobe. Abstract Frontotemporal dementia (FTD) is the second most common cause of early‐onset dementia, typically manifesting before the age of 65, with a mean onset at 58 years. FTD may encompass a spectrum of neurodegenerative disorders resulting from frontotemporal lobar degeneration ...
Karen Daniela Román   +13 more
wiley   +1 more source

¿Optimismo o pesimismo por los resultados del movimiento unionista?

open access: yesEstudios Eclesiásticos, 1959
Algunas autoridades de las diferentes Iglesias cristianas se reunieron en Ginebra en octubre de 1955 con el anhelo común de buscar todo lo que nos une. La división de los cristianos supone uno de los mayores obstáculos para los que no creen. En el último
Ignacio Riudor
doaj  

Clinical Factors Associated With Current Relevance in Allergic Contact Dermatitis: Development of Predictive Models Based on Data From the Spanish Contact Dermatitis Register (REIDAC)

open access: yesContact Dermatitis, EarlyView.
This study has shown a moderate performance of the regression model to predict current relevance (AUC = 0.679), although modelling performance has been better for specific allergens (e.g., nickel with an AUC = 0.770). Furthermore, it has identified key predictors, including female gender, specific involved sites (hands, neck, head, legs, feet), and ...
David Pesqué   +31 more
wiley   +1 more source

Decadal changes in environmental suitability for the margay (Leopardus wiedii) under anthropogenic pressure in the Yucatán Peninsula

open access: yesConservation Science and Practice, EarlyView.
This study evaluates how human activities impact margay (Leopardus wiedii) distribution in the Yucatán Peninsula, revealing habitat loss due to agriculture but also recolonization opportunities in abandoned lands. Species distribution models show range contraction (2010–2023), yet margays demonstrate resilience near disturbed habitats.
Jimena García‐Burgos   +4 more
wiley   +1 more source

Finding More in Less: Precision Medicine for Pancreatic Cancer Using Residual Cytology Samples

open access: yesCytopathology, EarlyView.
The study evaluates the use of residual liquid‐based cytology (LBC) samples from pancreatic ductal adenocarcinoma (PDAC) for molecular analysis. It shows that LBC samples preserve nucleic acid quality and remain suitable for next‐generation sequencing (NGS) and MSI testing even after prolonged storage, underscoring their value when other samples are ...
Raquel Antón‐Peñalver   +17 more
wiley   +1 more source

¿El cuarto estado de la materia? Introducción al plasma para estudios preuniversitarios

open access: yesRevista Eureka sobre Enseñanza y Divulgación de las Ciencias, 2015
El plasma es un gran desconocidoenlos estudios de físicaa nivelpreuniversitario ya queno se incluyeexplícitamente en los temarios de ninguna asignatura de ciencias. Sin embargo, su presencia enla naturaleza y endispositivos de uso cotidianoes habitual,
Sandra Pilar Tierno   +2 more
doaj  

Competitive Interactions Between Generalist Predators and Their Effects on Shared and Non‐Shared Pests in a Greenhouse Crop

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Orius laevigatus engages in unidirectional intraguild predation on Transeius montdorensis. Despite this, both predators coexisted and suppressed the shared thrips prey. Aphids, a non‐shared prey, were effectively controlled by O. laevigatus even when its population was limited due to intraguild predation. T.
Angelos Mouratidis   +3 more
wiley   +1 more source

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