Results 51 to 60 of about 397,989 (311)

Underlying factors promoting nestedness of bird assemblages in cays of the Jardines de la Reina archipelago, Cuba [PDF]

open access: yes, 2017
Factores subyacentes que promueven el anidamiento de ensamblajes de aves en cayos del archipiélago de los Jardines de la Reina, Cuba La evaluación de los factores asociados a los modelos de anidamiento se ha convertido en un aspecto esencial de los ...
García–Quintas, A., Parada Isada, A.
core   +2 more sources

Microscale Mapping of Fiber Strain and Damage in Composite Wrinkled Laminates Using Computed Tomography Assisted Wide‐Angle X‐Ray Scattering

open access: yesAdvanced Science, EarlyView.
This study combines full‐field tomography with diffraction mapping to quantify radial (ε002$\varepsilon _{002}$) and axial (ε100$\varepsilon _{100}$) lattice strain in wrinkled carbon‐fiber specimens for the first time. Radial microstrain gradients (−14.5 µεMPa$\varepsilon \mathrm{MPa}$−1) are found to signal damage‐prone zones ahead of failure, which ...
Hoang Minh Luong   +7 more
wiley   +1 more source

Opportunistic use of a wool-like artificial material as lining of Tit (Paridae) nests [PDF]

open access: yes, 2012
The lining material is a key element of bird nests primarily serving as insulation for the adult, eggs and/or chicks but collection of such material will have an energetic cost.
Deeming, D. Charles   +2 more
core   +1 more source

Piperazine‐Functionalized Nanoparticles Enable Oral Insulin Delivery in Obese Mice

open access: yesAdvanced Science, EarlyView.
ABSTRACT Biologics have gained prominence as a rapidly advancing therapeutic modality for a diverse spectrum of medical conditions. Nonetheless, they are predominantly administered parenterally due to poor absorption through the gastrointestinal tract. Additionally, repeated injections of biologics such as insulin cause injection pain, leading to dose ...
Yuxue Cao   +14 more
wiley   +1 more source

Gastropod species found in birds' nests from Argentina [PDF]

open access: yes, 2015
Los nidos de aves son ejemplos de hábitats ocupados por un conjunto de invertebrados, como insectos, arañas, pseudoescorpiones, etc. Por primera vez se presenta una lista de gasterópodos encontrados en nidos aviarios de la Argentina.
Di Iorio, Osvaldo Rubén   +2 more
core  

Can Ecological Interactions be Inferred from Spatial Data? [PDF]

open access: yes, 2020
The characterisation and quantication of ecological interactions, and the construction of species distributions and their associated ecological niches, is of fundamental theoretical and practical importance.
Gonzalez-Salazar, Constantino   +3 more
core   +2 more sources

Beyond the Non‐Hermitian Skin Effect: Scaling‐Controlled Topology from Exceptional‐Bound Bands

open access: yesAdvanced Science, EarlyView.
ABSTRACT We establish a novel mechanism for topological transitions in non‐Hermitian systems that are controlled by the system size. Based on a new paradigm known as exceptional‐bound (EB) band engineering, its mechanism hinges on the unique critical scaling behavior near an exceptional point, totally unrelated to the well‐known non‐Hermitian skin ...
Mengjie Yang, Ching Hua Lee
wiley   +1 more source

Fatores de risco associados ao vício de sucção em leitões na fase de creche

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2003
Foi realizado um estudo epidemiológico em 65 granjas de suínos situadas na região Sul do Brasil para identificar os fatores que favorecem a ocorrência do vício de sucção entre leitões desmamados.
A.L. Amaral   +4 more
doaj  

Beak deformities in north Patagonian birds [PDF]

open access: yes, 2016
Within the last decade, many individuals of several bird species with abnormal and strange beaks deformationshave been reported from Alaska, United States, and from United Kingdom and Ireland.
Cueto, Víctor   +2 more
core   +1 more source

Does beak size affect acoustic frequencies in woodcreepers? [PDF]

open access: yes, 2000
We assessed the effect of beak morphology on the acoustic structure of woodcreeper (subfamily Dendrocolaptinae) songs using a comparative analysis of independent contrasts.
Palacios, María Gabriela   +1 more
core   +1 more source

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