Results 71 to 80 of about 460,452 (198)

Dispersión de insectos bentónicos en sistemas lóticos: ¿nuevas tendencias?

open access: yesIntropica, 2010
La movilidad espacial entre fragmentos de hábitats puede presentar cambios significativos para los organismos asociados al sistema bentónico. Los insectos de agua dulce logran la dispersión usando una serie de mecanismos que presentan variación con ...
Maribet Gamboa
doaj  

Pyramidal Structures on Yttria‐Stabilized Zirconia after High Temperature Exposure at 1500°C: New Features on an Old Material

open access: yesAdvanced Engineering Materials, EarlyView.
New features on yttria‐stabilized zirconia after exposure at 1500°C: Newly discovered pyramidal structures on an old material. After exposure at 1550°C on the cross section of YSZ new features, namely pyramidal structures are discovered. These structures grow with time, increase in numbers, appear as singularities, are often arranged in strings, and ...
Doris Sebold   +2 more
wiley   +1 more source

Abundancia y distribución de Aedes aegypti (Diptera: Culicidae) y dispersión del dengue en Guasave Sinaloa, México

open access: yesRevista de Biología Tropical, 2011
El dengue es una enfermedad viral en humanos transmitida por el mosquito A. aegypti (L), principal vector en América. En el 2006 en Sinaloa México se presentaron 477 casos de dengue hemorrágico y 1 510 de dengue clásico, el estado presentó el mayor ...
Cipriano García   +3 more
doaj  

Field Report from Collaborative Research Center 1625: Heterogeneous Research Data Management Using Ontology Representations

open access: yesAdvanced Engineering Materials, EarlyView.
A unified research data management framework for heterogeneous materials data is presented. The system integrates multimodal datasets using ontologies and knowledge graphs, enabling interoperability and FAIR (findable, accessible, interoperable, reusable) data principles. By linking data across scales and workflows, it supports reproducible, Artifitial
Doaa Mohamed   +6 more
wiley   +1 more source

Germinación de semillas de Ficus insipida (Moraceae) defecadas por tucanes (Ramphastos sulfuratus) y monos araña (Ateles geoffroyi)

open access: yesRevista de Biología Tropical, 2006
Con el objetivo de evaluar y comparar el efecto que tiene el paso de las semillas del higo Ficus insipida Willd (Moraceae), por el tracto digestivo de dos especies de vertebrados frugívoros, se ofrecieron frutos a individuos cautivos de tucán (Ramphastos
Laura E Domínguez-Domínguez   +2 more
doaj  

Towards Defect Phase Diagrams: From Research Data Management to Automated Workflows

open access: yesAdvanced Engineering Materials, EarlyView.
A research data management infrastructure is presented for the systematic integration of heterogeneous experimental and simulation data required for defect phase diagrams. The approach combines openBIS with a companion application for large‐object storage, automated metadata extraction, provenance tracking and federated data access, thereby supporting ...
Khalil Rejiba   +5 more
wiley   +1 more source

Creating Ti–Fe α/β Alloys by Diffusion‐Driven Solid‐State Processing

open access: yesAdvanced Engineering Materials, EarlyView.
This study proposes making alloys containing fast diffusing elements that are difficult to produce by ingot metallurgy, by diffusion‐driven solid‐state HIP processing of elemental powders and low‐temperature homogenisation. Here, novel Fe‐Ti α–β alloys are formed having fine α–β lamellae, a small β prior grain size without significant intermetallics ...
Jiaqi Xu   +10 more
wiley   +1 more source

Solid‐State Diffusion and Intermetallic Phase Formation in Roll‐Bonded Mg–Zn Composites With Kirigami‐Patterned Inlay

open access: yesAdvanced Engineering Materials, EarlyView.
Mg–Zn composites with a thickness of 0.21 mm were fabricated using roll bonding of a kirigami‐patterned Mg alloy inlay within a Zn matrix. Thermal activation following this process led to the formation of tailored intermetallic structures, which provided the composite with enhanced flexural strength.
Yaroslav Frolov   +4 more
wiley   +1 more source

Historical explanation of the origin of the herpetofauna of Mexico Explicación histórica del origen de la herpetofauna de México

open access: yesRevista Mexicana de Biodiversidad, 2009
A hypothesis of historical area relationships for Mexico, Central, and South America was investigated by a cladistic biogographic analysis using 10 taxon cladograms of the herpetofauna of Mexico.
Oscar Flores-Villela   +1 more
doaj  

De la creación del Museo Arqueológico de Medina Sidonia (Cádiz) [PDF]

open access: yesBoletín del Museo Arqueológico Nacional, 2017
El Museo Arqueológico de Medina Sidonia –MAMS– es una institución de ámbito local dependiente del Ayuntamiento de Medina Sidonia (Cádiz). De reciente creación –no cuenta con más de cinco años de existencia–, nace con la vocación de mostrar y difundir en ...
Salvador Montañés Caballero
doaj  

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