Results 11 to 20 of about 819,043 (265)

Remote downconversion scheme for uplink configuration in radio/fiber systems [PDF]

open access: yes, 2005
The authors present a novel technology for uplink transmission in radio over fiber (RoF) distribution systems. The technique employs remote downconversion of the uplink data to intermediate frequency (IF) in the base station (BS).
Barry, Liam P.   +1 more
core   +1 more source

A detailed next-to-leading order QCD analysis of deeply virtual Compton scattering observables [PDF]

open access: yes, 2001
We present a detailed next-to-leading order (NLO) leading twist QCD analysis of deeply virtual Compton scattering (DVCS) observables, for several different input scenarios, in the MS-bar scheme.
Freund, Andreas, McDermott, Martin
core   +2 more sources

Two temperature accretion around rotating black holes: Description of general advective flow paradigm in presence of various cooling processes to explain low to high luminous sources [PDF]

open access: yes, 2009
We investigate the viscous two temperature accretion discs around rotating black holes. We describe the global solution of accretion flows with a sub-Keplerian angular momentum profile, by solving the underlying conservation equations including explicit ...
Abramowicz   +55 more
core   +1 more source

Neutron-Capture Nucleosynthesis in the First Stars [PDF]

open access: yes, 2014
Recent studies suggest that metal-poor stars enhanced in carbon but containing low levels of neutron-capture elements may have been among the first to incorporate the nucleosynthesis products of the first generation of stars.
Preston, George W.   +4 more
core   +2 more sources

Edad, tamaño corporal en la madurez sexual, longevidad y potencial reproductivo de Leptodactylus latinasus y Leptodactylus mystacinus en un cultivo de soja y un bosque nativo del centro este de Argentina

open access: yesRevista Mexicana de Biodiversidad, 2015
Se estimó y se comparó la edad y tamaño corporal en la madurez sexual, longevidad y potencialreproductivo en 2 especies de anfibios Leptodactylus latinasus y Leptodactylus mystacinus provenientes de un cultivode soja (CS) y una reserva natural Parque ...
Andrés Maximiliano Attademo   +6 more
doaj   +1 more source

Determinación del estatus de cópula en Lobesia botrana (Denis y Shiffermüller, 1776) (Lepidoptera: Tortricidae) usando la técnica de la hembra centinela

open access: yesRevista Chilena de Entomología, 2023
Resumen. En Chile, Lobesia botrana es una plaga sometida a una campaña de erradicación/contención. Su manejo emplea la confusión sexual (CS) como una herramienta de control fundamental, la cual es habitualmente evaluada indirectamente por la supresión ...
Diego Arraztio, Tomislav Curkovic
doaj   +1 more source

Cardiovascular features of possible autonomous cortisol secretion in patients with adrenal incidentalomas [PDF]

open access: yes, 2018
Background: Low-grade incomplete post-dexamethasone cortisol suppression in patients with adrenal incidentalomas – recently defined as possible autonomous cortisol secretion (pACS) – has been associated with increased cardiovascular events and mortality.
Di Giorgio, Maria Rosaria   +12 more
core   +2 more sources

Procesos simples que disminuyen el contenido de sodio y nitritos en jamones

open access: yesRevista Española de Nutrición Humana y Dietética, 2015
Introducción: El jamón, producto altamente consumido por la sociedad, contiene algunos elementos que lo convierten en un alimento no recomendable, por lo que se ha buscado eliminar o reducir esos componentes.
Talia Franco-Avila   +5 more
doaj   +1 more source

Interpretation of the expansion law of planetary nebulae [PDF]

open access: yes, 2006
We reproduce the expansion velocity--radius ($V_{\rm{exp}}$--$R_{\rm{n}}$) relation in planetary nebulae by considering a simple dynamical model, in order to investigate the dynamical evolution and formation of planetary nebulae.
Fukue, Tsubasa   +2 more
core   +3 more sources

Análisis morfométrico y molecular (ADNmt) de abejas melíferas (Apis mellifera L.) en el estado de Tabasco, México

open access: yesRevista Mexicana de Ciencias Pecuarias, 2022
La apicultura en México se sostiene con subespecies de abejas (Apis mellifera L) europeas y africanizadas. Debido a la dificultad en la diferenciación morfológica de las poblaciones Europeas (E) y Africanizadas (A) de A.
Juan Florencio Gómez Leyva   +4 more
doaj   +1 more source

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