Results 31 to 40 of about 7,350 (205)
Abstract Pterosaur dental biology remains poorly understood despite its importance for comprehending feeding strategies and flight adaptations. Here, we present the first comprehensive histological analysis of an ornithocheiriform pterosaur tooth from the Lower Cretaceous Crato Formation (Santana Group, Northeast Brazil).
Tito Aureliano +3 more
wiley +1 more source
Mineralogía de los materiales de la Formación de La Viñuela (Cordilleras Béticas)
Se ha estudiado la composición mineralógica de unas muestras de la serie tipo de la Formación de La Viñuela (norte de Vélez Málaga, Cordilleras Béticas), datadas como Burdigaliense inferior.
E. Galán +3 more
doaj +1 more source
Paleodieta : un acercamiento al estudio de la alimentación en las poblaciones del pasado [PDF]
Mitjançant l'anàlisi química d'elements traça en restes òssies humans, la Química contribueix al coneixement de les poblacions passades, col·laborant amb l'Arqueologia i complementant l'estudi antropològic i paleopatològic, ajudant-nos així a un millor ...
Cervera Añón, Juan Miguel
core +1 more source
Hotspots, trends, and regional focus on oil or gas exploration: A bibliometric comparative study
This paper explores the research trends in global oil and gas exploration through the bibliometric analysis of 3460 articles collected from the Web of Science database on oil and gas exploration published from 2013 to 2023. The research hotspots, objects, regional distribution, methods, and evaluation methods of oil and gas exploration are analyzed and
Jihong Wang +3 more
wiley +1 more source
Génesis de Nódulos de Cuarzo en el Paleozoico de la Ibérica (Rama Aragonesa)
En formaciones samíticas y pelíticas del Paleozoico inferior de la Rama Aragonesa de la Cordillera Ibérica se generan nódulos de sílice que son apreciables a escala microscópica y mesoscópica.
A. Navas, J. Tena
doaj +1 more source
In this review, the application of micro‐CT and medical‐CT scanning in the oil and gas industry has been thoroughly discussed. Recent improvements in DRP and modern imaging techniques in the oil and gas industry have been modeled using both experimental and simulation work.
Achinta Bera +2 more
wiley +1 more source
Las «areniscas del Aljibe» son materiales bimodales constituidos en su mayor parte por cuarzos eólicos con «coating» ferruginoso o arcilloso y cemento de cuarzo sintaxial. Tanto la composición mineralógica de la muestra total como la de la fracción < 2 μ
P. Rodríguez Jiménez, M. D. Ruiz Cruz
doaj +1 more source
Diagenesis is the primary cause of the densification of the Fuyu reservoir in Sanzhao sag, Songliao Basin. In this paper, the types of diagenesis, the influence of diagenesis on reservoir physical properties and the formation reasons of tight reservoir ...
Shanghua Si +5 more
doaj +1 more source
Estudio petrológico de las facies Saxoniense y Buntsandstein de la zona de El Pobo de Dueñas (Cordillera Ibérica) [PDF]
Las areniscas rojas de facies Saxoniense y Buntsandstein estudiadas son cuarzoarenitas y sublitoarenitas, que hacia el tramo medio del Buntsandstein se hacen progresivamente más ricas en feldespatos, llegando al techo de la serie a ser arcósicas ...
Marfil, Rafaela, Sentchordi, E.
core +1 more source
Particle rounding effects comparison of different methods: (a), (b), and (c) are the rounding results using the B‐spline curve method with different R; (d), (e), and (f) are the results of vertex rounding substitution method with different rounding radii.
Jiabin Dong +6 more
wiley +1 more source

