Results 51 to 60 of about 987,342 (228)

Spin and Statistics and First Principles [PDF]

open access: yes, 2009
It was shown in the early Seventies that, in Local Quantum Theory (that is the most general formulation of Quantum Field Theory, if we leave out only the unknown scenario of Quantum Gravity) the notion of Statistics can be grounded solely on the local ...
AL Moncayo   +24 more
core   +3 more sources

Enhancing multitasking capacity: An acoustic tagging and sampling methodology for the spiny butterfly ray (Gymnura altavela) in the Canary Islands

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
To overcome challenges in studying elusive benthic elasmobranchs, a comprehensive, rapid methodology was developed and applied to 133 Spiny Butterfly Rays in Gran Canaria and Tenerife between 2020 and 2024. This approach integrated internal tagging with acoustic and external T‐bar tags, alongside biological sampling and ultrasound assessments, all ...
Ana Espino‐Ruano   +12 more
wiley   +1 more source

Habitabilidad, eficiencia y resiliencia [PDF]

open access: yes, 2017
29 p.El propósito de este capítulo es describir, de manera más detallada, el comportamiento de los conceptos de habitabilidad, eficiencia y resiliencia aplicados a la ciudad de Bogotá, para relacionar el concepto de cambio climático con los conceptos ...
Cubillos-González, Rolando Arturo   +1 more
core  

Revealing the Physiological Patterns of Dinoflagellates in North‐Eastern Adriatic Phytoplankton

open access: yesEcology and Evolution, Volume 16, Issue 1, January 2026.
Using metatranscriptomics, we have described the annual taxonomic and functional succession of the phytoplankton community in the north‐eastern Adriatic Sea, taking into account the effects of environmental factors on succession. The results obtained in this way represent the first comprehensive physiological characterisation of the phytoplankton ...
Mia Knjaz   +10 more
wiley   +1 more source

Eficiencia de absorción de nutrientes de Gracilaria chilensis y Ulva lactuca en un sistema multitrófico integrado con el abalón rojo Haliotis rufescens [PDF]

open access: yes, 2014
Indexación: Web of Science; Scielo.ABSTRACT. The current study examined the nutrient uptake efficiency of Ulva lactuca and Gracilaria chilensis cultivated in tanks associated with the wastewater of a land-based abalone culture.
Bulboa, Cristian, Macchiavello, Juan
core  

Negative Impact of Dental Wastewater on the Environment and Human Health: A Scoping Review

open access: yesWater Environment Research, Volume 97, Issue 12, December 2025.
Dental wastewater (DWW) may carry hazardous contaminants (toxic metals, chemicals, and microorganisms) from clinical procedures into municipal sewers and wastewater treatment plants, with potential release to receiving waters. Because treatment may not fully remove all pollutants, the most effective prevention point is source control.
Giordana Picolo Furini   +2 more
wiley   +1 more source

- EFICIENCY AND PRODUCTIVITY SPECIALIZATION: THE SPANISH REGIONS [PDF]

open access: yes
This paper shows the importance of the composition of production -productive specialization- and sector inefficiencies when evaluating efficiency in aggregate production.
Joaquín Maudos Villarroya   +2 more
core  

Una aplicación del análisis de frontera de producción estocástica: el caso de hospitales del subsistema de salud pública de Nicaragua [PDF]

open access: yes, 2014
El presente ensayo tiene por finalidad analizar comparativamente la eficiencia técnica de la red de servicios de salud hospitalaria, según SILAIS, mediante la técnica de frontera estocástica.
Canales Salinas, Ricardo José
core   +3 more sources

Trait coordination reveals the fast–slow plant economics spectrum along the vertical canopy profile in central Amazonian forests

open access: yesFunctional Ecology, Volume 39, Issue 12, Page 3596-3610, December 2025.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Understanding how environmental drivers affect tree functioning is essential to improve predictions of tropical forests' response to climate change. While functional traits directly influence tree performance, our understanding of how canopy environments shape their ...
Leonardo G. Ziccardi   +13 more
wiley   +1 more source

Performance and efficiency in Colombia's power utilities: an assessment of the 1994 reform [PDF]

open access: yes
This paper describes the core features of the power sector 1994 regulatory reform and evaluates utility performance and efficiency before and after the reform.
Carlos Pombo, Rodrigo Taborda
core  

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