Results 21 to 30 of about 2,711 (193)

LOS ESPEJISMOS DEL ASFALTO

open access: yesRevista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales
  La intención de este ensayo es ilustrar el alcance de un principio variacional en meteorología. Se resuelve, a manera de ejercicio, un problema clásico de la óptica meteorológica, cuya solución cualitativa es fácil de encontrar en muchos libros de texto, tanto físicos como meteorológicos, pero cuya solución cuantitativa no parece merecer un ...
J. Pelkowski
openaire   +2 more sources

The oldest monofenestratan pterosaur from the Queso Rallado locality (Cañadón Asfalto Formation, Toarcian) of Chubut Province, Patagonia, Argentina. [PDF]

open access: yesR Soc Open Sci
As the first group of tetrapods to achieve powered flight, pterosaurs first appeared in the Late Triassic. They proliferated globally, and by the Late Jurassic through the Cretaceous, the majority of these taxa belonged to the clade Monofenestrata (which
Fernandes AE, Pol D, Rauhut OWM.
europepmc   +2 more sources

Probable basal allosauroid from the early Middle Jurassic Cañadón Asfalto Formation of Argentina highlights phylogenetic uncertainty in tetanuran theropod dinosaurs. [PDF]

open access: yesSci Rep, 2019
Tetanurae, the most successful clade of theropod dinosaurs, including modern birds, split into three major clades early in their evolutionary history: Megalosauroidea, Coelurosauria, and Allosauroidea.
Rauhut OWM, Pol D.
europepmc   +2 more sources

Plan de acciones de Manejo Ambiental para la mitigación de impactos ambientales de la Planta de Asfalto PC-3, de Consolación del Sur

open access: yesRevista Angolana de Ciências, 2021
La producción de asfalto es considerada una estrategia clave en los programas de desarrollo y crecimiento económico de un país, por ser un elemento vital para el crecimiento y mantenimiento de la infraestructura vial de un territorio, demostrando de esa ...
Arianna Díaz Carrillo   +2 more
doaj   +1 more source

Fine‐Tuning the “Right to Rio de Janeiro” from Above and Below: The City Statute in Pre‐Olympics Rio de Janeiro

open access: yesCity &Society, Volume 33, Issue 1, Page 91-117, April 2021., 2021
Abstract Brazil’s City Statute enshrines the “right to the city” and the “social function of property” in its constitution. Brazilian scholars, however, identify barriers to achieving the law’s agenda. Broader debates regarding the right to the city suggest the concept has been overextended beyond meaning, and that formalization of the right to the ...
Kayla Svoboda
wiley   +1 more source

Decolonising Oral History: A Conversation

open access: yesHistory, Volume 106, Issue 370, Page 265-281, March 2021., 2021
Abstract In late 2019, a team of researchers and activists from Ecuador and the UK began a new oral history project, accompanying Afro‐Ecuadorian women living in the province of Esmeraldas, as they interrogated and articulated their history and heritage.
HILARY FRANCIS   +5 more
wiley   +1 more source

Emissões do asfalto e seus efeitos na saúde humana

open access: yesTransportes, 2018
Este trabalho tem por objetivo levantar os principais riscos para alunos, professores, técnicos de laboratório e demais trabalhadores do setor de pavimentação quando expostos às emissões de fumos e vapores do asfalto aquecido.
Guilherme Sandaka   +2 more
doaj   +3 more sources

Viscosity, a key to better asphalt construction

open access: yesMateriales de Construccion, 1959
Not ...
John M. Griffith
doaj   +1 more source

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