Results 31 to 40 of about 3,260 (180)

Conos de luz

open access: yesRevista Matemática Complutense, 1992
Using a new characterization of the Lorentz quadrics, we establish a reformulation of the Special Relativity Theory.
openaire   +2 more sources

Environmental drivers of scale morphology in a Canary Island lizard across 3700 m of elevation

open access: yesJournal of Zoology, Volume 327, Issue 4, Page 398-409, December 2025.
Gallotia galloti scale traits are driven by climate and human pressures. High dorsal density correlates with hotter, dryer environments and larger scales with higher sun exposure, while ventral scale variation was associated with isothermality and human influences. These changes highlight morphological responses to environmental conditions.
K. Kelly   +5 more
wiley   +1 more source

Reseña de la búsqueda de hacer agujeros

open access: yesRevista Integración, 2018
Un espacio topológico conexo Z es unicoherente si para cualesquiera A y B cerrados y conexos de Z, tales que   Z = A ∪ B, se tiene que A ∩ B es conexa. Sea Z un espacio unicoherente: decimos que z ∈ Z agujera a Z si Z − {z} no es unicoherente.
José G. Anaya   +2 more
doaj  

SemiLT: A Multianchor Transfer Learning Method for Cross‐Modality Cell Label Annotation from scRNA‐seq to scATAC‐seq

open access: yesAdvanced Science, Volume 12, Issue 43, November 20, 2025.
A multianchor transfer learning method, SemiLT, enables accurate cell label annotation in sparse scATAC‐seq data by leveraging well‐annotated scRNA‐seq references. By addressing temporal discrepancies between modalities, SemiLT improves rare cell type identification and batch correction.
Zhitong Chen   +3 more
wiley   +1 more source

PTGER4 Governs Immune Evasion and Therapy Resistance in Kidney Cancer via Ribosome Biogenesis Dysregulation

open access: yesJournal of Cellular and Molecular Medicine, Volume 29, Issue 22, November 2025.
ABSTRACT Kidney renal clear cell carcinoma (KIRC) is associated with abnormal ribosome production (RiboSis), but how this affects tumour growth and response to immunotherapy is still unclear. In this study, we analysed large‐scale multi‐omics data using machine learning.
Hanjing Zhou   +5 more
wiley   +1 more source

The European Union and the Cono Sur Embark on the Process of Reconciliation [PDF]

open access: yesRevista CIDOB d'Afers Internacionals, 1995
The intention of this study is to mark out a panorama of the evolution of ties between the European Union (EU) and the so-called Cono Sur, (Argentina, Uruguay and Chile) emphasising those factors which have discouraged the development of full relations ...
Diego A. Laporte Galli
doaj  

La implementación de las decisiones de la Corte Interamericana de Derechos Humanos: comentarios en torno al caso “Corte Primera de lo Contencioso Administrativo”

open access: yesAnuario de Derechos Humanos, 2010
A través del análisis de la sentencia de la Corte Interamericana de Derechos Humanos en el Caso Aspitz Barbera y otros vs. Venezuela y la posterior decisión de la Sala Constitucional del Tribunal Supremo de Justicia de la República Bolivariana de ...
Liliana Tojo
doaj   +1 more source

Diálogos transatlánticos de la resistencia. Denuncia artística y redes de solidaridad con el Cono Sur en los primeros ochenta

open access: yesPáginas, 2020
Tras la serie de golpes de Estado que inauguraron el último período de dictaduras en el Cono Sur, la solidaridad se intensificó en el extranjero, articulando activismo local con asociaciones de exiliados de diferentes países.
Moira Cristiá
doaj   +1 more source

Green Urea Synthesis from CO2 and Nitrogenous Small Molecules via Electrocatalysis and Photocatalysis

open access: yesSmall Science, Volume 5, Issue 10, October 2025.
Electrocatalysis and photocatalysis offer electron‐driven parallel routes for green urea synthesis from CO2 and nitrogenous small molecules (N2, NO3−, NO2−, and NO), providing sustainable alternatives to Bosch–Meiser process. Gaining in‐depth insights into the underlying mechanisms, efficiency, selectivity, and techno‐economic analysis of ...
Lizhen Liu   +5 more
wiley   +1 more source

Médula espinal amarrada. Reporte de caso

open access: yesRevista Chilena de Anestesia, 2019
Presentamos el caso de una paciente de 31 años coordinada para cesárea de urgencia con diagnóstico reciente de médula amarrada (MA) por resonancia magnética.
Patricia Perillo, Ignacio Cuevas
doaj   +1 more source

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