Results 51 to 60 of about 32,510 (192)

Descartes, René. Descartes

open access: yesIdeas y Valores, 2013
Descartes, René. Descartes. Estudio introductorio de Cirilo Flórez Miguel. Madrid: Gredos, 2011.
Gonzalo Serrano
doaj  

Solitons in Ideal Optical Fibers - A Numerical Development

open access: yes, 2010
This work developed a numerical procedure for a system of partial differential equations (PDEs) describing the propagation of solitons in ideal optical fibers.
Cirilo, Eliandro Rodrigues   +4 more
core   +1 more source

Evolutionary implications of a deep‐time perspective on insect pollination

open access: yesBiological Reviews, Volume 100, Issue 4, Page 1452-1466, August 2025.
ABSTRACT Plant pollination by insects represents one of the most transformative and iconic ecological relationships in the natural world. Despite tens of thousands of papers, as well as numerous books, on pollination biology published over the past 200 years, most studies focused on the fossil record of pollinating insects have only been published in ...
David Peris   +10 more
wiley   +1 more source

"Il Manzoni" en Cecilia Valdés

open access: yesRevista Chilena de Literatura, 2016
Adhiriéndose al modelo histórico-romántico de Alejandro Manzoni, Cirilo Villaverde sigue con fidelidad la estructura narrativa de I Promessi Sposi en Cecilia Valdés.
Cristina Guzzo
doaj  

Effect of a CO2 Laser on the Inhibition of Root Surface Caries Adjacent to Restorations of Glass Ionomer Cement or Composite Resin: An In Vitro Study

open access: yesThe Scientific World Journal, 2015
This study investigated the effect of CO2 laser irradiation on the inhibition of secondary caries on root surfaces adjacent to glass ionomer cement (GIC) or composite resin (CR) restorations.
L. C. Daniel   +6 more
doaj   +1 more source

Law of large numbers for certain cylinder flows

open access: yes, 2012
We construct new examples of cylinder flows, given by skew product extensions of irrational rotations on the circle, that are ergodic and rationally ergodic along a subsequence of iterates. In particular, they exhibit law of large numbers.
Aaronson   +13 more
core   +1 more source

Optimizing nitrogen rates for rainfed cotton on sandy loam soils of Florida

open access: yesAgronomy Journal, Volume 117, Issue 2, March/April 2025.
Abstract Nitrogen (N) fertilizer recommendations for rainfed cotton (Gossypium hirsutum L.) in Florida have remained static at 67 kg N ha−1 since 1981. A study conducted at the West Florida Research and Education Center in Jay, FL, in 2022 and 2023, evaluated the response of cotton (cv.
Eajaz Ahmad Dar   +7 more
wiley   +1 more source

New spherically symmetric monopole and regular solutions in Einstein-Born-Infeld theories

open access: yes, 2006
In this work a new asymptotically flat solution of the coupled Einstein-Born-Infeld equations for a static spherically symmetric space-time is obtained. When the intrinsic mass is zero the resulting spacetime is regular everywhere, in the sense given by ...
Chandrasekhar S.   +4 more
core   +1 more source

The influence of reader and text characteristics on sixth graders' inference making

open access: yesJournal of Research in Reading, Volume 48, Issue 1, Page 24-45, February 2025.
Background We examined the influence of text and reader characteristics on sixth graders' inference generation. Methods Eleven‐ to 12‐year‐old US monolingual English speakers (N = 71) and Spanish‐English bilinguals (N = 81) read narrative and informational expository texts requiring an inference and answered an inference‐tapping question after each ...
Kate Cain   +8 more
wiley   +1 more source

Identidades fronterizas en el contexto andalusí: los muladíes

open access: yesCuadernos Medievales, 2018
La sociedad andalusí estaba integrada por distintas comunidades étnicas, lingüísticas y confesionales. El presente artículo se centra en una de estas comunidades, con la que la historiografía española tiene una deuda aún no saldada.
Yuliya Radoslavova Miteva
doaj  

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