Results 51 to 60 of about 286,779 (155)

Simulación numérica del flujo oscilatorio alrededor de dos cilindros [PDF]

open access: yes, 2011
La gran conclusión que se saca de este proyecto es que el proceso de simulación sirve como alternativa al experimento de flujos y se puede aplicar a un amplio rango de experimentos similares.
García Albiach, Joaquín Ignacio
core   +2 more sources

ENSO Diversity Regulation of the Impact of MJO on Extreme Snowfall Events in the Peruvian Andes

open access: yesInternational Journal of Climatology, Volume 45, Issue 7, 15 June 2025.
Composite of filtered anomalies in the 20–90‐d band for wind (m s−1) and geopotential height (in m) anomalies over South America at 200 hPa for (a) Central La Niña and DJF MJO Phases 6 + 7, (b) Non‐ENSO conditions and JJA RMM Phases 4 + 5, (c) Non‐ENSO conditions and JJA RMM Phases 6 + 7, (d) Central El Niño and JJA MJO Phases 8 + 1, (e) Eastern El ...
Juan Sulca
wiley   +1 more source

Shell characterization of the youngest valid species of the European Eocene genus Neochelys (Pleurodira, Podocnemididae): The Spanish Bartonian Neochelys salmanticensis

open access: yesThe Anatomical Record, Volume 308, Issue 6, Page 1553-1572, June 2025.
Abstract The freshwater pleurodiran turtle Neochelys is the best‐represented member of Podocnemididae in the European record, being known by eight Eocene species. The youngest of them is the Bartonian (middle Eocene) Neochelys salmanticensis, from the Duero Basin (Salamanca Province, Central Spain).
Adán Pérez‐García   +3 more
wiley   +1 more source

Cálculo de la viscosidad real de melazas (fluido no newtoniano) de ingenios de Tucumán [PDF]

open access: yesRevista Industrial y Agrícola de Tucumán, 2017
La melaza se comporta como un fluido no newtoniano, es decir: no existe una relación constante entre el esfuerzo y la velocidad de rotación debido a características propias de su composición (contenido de gomas, polisacáridos, etc.); por ello, la ...
Gimena del H. Zamora Rueda   +2 more
doaj  

A new Crocodyloidea from the middle Eocene of Zamora (Duero Basin, Spain)

open access: yesThe Anatomical Record, Volume 308, Issue 6, Page 1692-1706, June 2025.
Abstract The eusuchian crocodyliforms recorded in the Eocene levels of the Spanish Duero Basin belong to three lineages: Planocraniidae, with the species Duerosuchus piscator; Alligatoroidea, represented by several specimens of the genus Diplocynodon; and Crocodyloidea, which includes several specimens traditionally attributed to Asiatosuchus.
Iván Narváez   +5 more
wiley   +1 more source

Ecosistemas de alta montaña, las atalayas de la troposfera [PDF]

open access: yes, 2001
La troposfera es el fluido en el que vivimos los organismos terrestres. La dinámica de este fluido hace posible el funcionamiento de los ecosistemas terrestres y acuáticos continentales tal como los conocemos.
Morales Baquero, Rafael   +2 more
core   +2 more sources

A bothremydid turtle (Pleurodira) from the middle Cenomanian of Vale de Figueira (Belas, Portugal)

open access: yesThe Anatomical Record, Volume 308, Issue 6, Page 1573-1579, June 2025.
Abstract An unpublished turtle shell from the middle Cenomanian of Vale de Figueira, near Belas (Lisbon District, Portugal), is recognized by us as collected in 1880 under the direction of Carlos Ribeiro. No turtle remains from that region had so far been figured, described or discussed from a systematic point of view.
Miguel Telles Antunes   +1 more
wiley   +1 more source

A pan‐cheloniid turtle from the Middle Miocene of Portugal

open access: yesThe Anatomical Record, Volume 308, Issue 6, Page 1623-1632, June 2025.
Abstract Currently, there is no information on the fossil record of Pan‐Cheloniidae from the Neogene of the Iberian Peninsula. A well‐preserved partial skeleton attributable to this lineage of turtles, from the Middle Miocene of Portugal, is presented here.
Adán Pérez‐García   +1 more
wiley   +1 more source

Estudio numérico del movimiento de partículas en fluidos mediante el método de elemento finito.

open access: yesRevista de la Facultad de Ciencias, 2017
En este trabajo se aborda el problema de un flujo bifásico, el cual consiste de la interacción de fluido con partículas sólidas inmersas en él, debido a la dificultad teórica que aparece al calcular todos los esfuerzos provenientes de la interacción ...
Jeison Alberto Vargas Forigua   +2 more
doaj   +1 more source

Efeito da goma xantana e da bentonita no desempenho de um fluido de perfuração base microemulsão

open access: yesHolos, 2020
Os fluidos de perfuração microemulsionados são uma nova tecnologia que objetiva substituir os fluidos base óleo e base água, por possuir alta lubricidade, estabilidade, baixa toxicidade, baixo custo e menor perda de fluido. Assim, este trabalho teve como
Roxana Pereira Fernandes de Sousa   +5 more
doaj   +1 more source

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