Results 41 to 50 of about 952,973 (212)

Organismos super negros

open access: yes, 2023
En la naturaleza, existen organismos que presentan una coloración extremadamente oscura, conocida como "super negro" o "negro Vantablack". El término "Vantablack" se refiere a un material artificial creado en laboratorio que es conocido por ser uno de los negros más oscuros jamás desarrollados, absorbente
openaire   +1 more source

The Five‐Thread Model & Academic Policy Entrepreneurs: From the White Australia Policy to Multicultural Australia

open access: yesPolicy Studies Journal, EarlyView.
ABSTRACT Why did Australia go from the White Australia Policy, which excluded non‐whites, to institutionalizing multiculturalism policy in the 1970s? This question defies traditional political ideologies of the major political parties, which had long supported the White Australia Policy. This article is a rare empirical demonstration of the Five‐Thread
Julius C. S. Mok
wiley   +1 more source

Condiciones de identidad para organismos

open access: yesPrincipia: an international journal of epistemology, 2017
In this work it is proposed that the conditions of identity for biological organisms are given by the following principle: for all organisms x and y, x = y if and only if x has been caused by the self-preserving activity of y. This principle determines both the inter-temporal identity of organisms and the identity of organism in different possible ...
Alvarado Marambio, José Tomás   +1 more
openaire   +5 more sources

Do Energetic Challenges Mimicking Missed Foraging Encourage Torpor Use by a Neotropical Bat?

open access: yesBiotropica, Volume 58, Issue 2, March 2026.
We experimentally tested whether Merriam's long‐tongued bat (Glossophaga mutica), a Neotropical nectarivorous species, uses heterothermy in response to reduced energy intake. We found that energetically challenged bats maintained subcutaneous temperatures significantly closer to roost temperature during the daytime inactive period.
Zenon J. Czenze   +2 more
wiley   +1 more source

La cuarta oleada de organismos económicos internacionales [PDF]

open access: yes, 2008
El trabajo hace un análisis de la formación del Sistema Internacional actual y de sus organismos más representativos para crear bienes públicos globales y evitar males públicos globales.
Granell Trías, Francesc
core   +1 more source

Paradiplomacy and City Diplomacy From the Theoretical Perspectives of Tourism and International Relations: An Analysis of the City of São Paulo, Brazil

open access: yesLatin American Policy, Volume 17, Issue 1, March 2026.
ABSTRACT Tourism and International Relations, as interdisciplinary fields, encompass diverse knowledge, making them complex subjects. This article explores how official international relations bodies at subnational levels influence tourism using paradiplomacy and city diplomacy concepts.
Juliane Santos Lumertz   +3 more
wiley   +1 more source

Ectoparasitos em hí­­brido tambatinga provenientes de piscicultura em tanque-rede no estado do Amapá (Brasil)

open access: yesBoletim do Instituto de Pesca, 2018
Foram avaliadas as infestações parasitárias em hí­­bridos tambatinga (Colossoma macropomum e Piaractus brachypomus) criados em tanque-rede no estado do Amapá, norte do Brasil. A boca, opérculos, brí­¢nquias e trato gastrointestinal de 50 espécimes foram
Marcos TAVARES-DIAS   +3 more
doaj  

Demography_Lab, an educational application to evaluate population growth: Unstructured and matrix models

open access: yesEcology and Evolution, 2021
Training in Population Ecology asks for scalable applications capable of embarking students on a trip from basic concepts to the projection of populations under the various effects of density dependence and stochasticity. Demography_Lab is an educational
Julio Arrontes
doaj   +1 more source

Seascape Genomics Uncovers Genomic Patterns Shaped by Temperature and Salinity Outlier Loci in Dolphinfish (Coryphaena hippurus Linnaeus, 1758) Across the Atlantic Ocean and Mediterranean Sea

open access: yesAquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT In this study, we explored the population genetic structure and its relation to environmental adaptations of the dolphinfish (Coryphaena hippurus) in the western Atlantic Ocean and Mediterranean Sea. Although previously two populations within the Mediterranean Sea were identified, recent evidence suggests more complex structuring.
Verónica Mendoza‐Portillo   +6 more
wiley   +1 more source

Trabajos de la "Sociedad de Estudios de Patología Quirúrgica": el drenaje en cirugía general

open access: yesRevista de la Facultad de Medicina, 1932
"Llámase drenaje el procedimiento operatorio, por el cual el cirujanose propone mediante artificios apropiados, facilitar la salida de los líquidos acumulados en las cavidades naturales o accidentales del organismo y que son patológicos o pueden llegar a
Luis E. Cabrera G., Ignacio Ferreira
doaj  

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