Results 61 to 70 of about 172,874 (193)

Modulation-mode and power-assignment for SVD-assisted downlink multiuser MIMO systems

open access: yes, 2010
Multiuser multiple-input multiple-output (MIMO) downlink (DL) transmission schemes experience both multiuser interference as well as inter-antenna interference.
Ahrens, Andreas, Benavente Peces, César
core  

Growth and age composition of northern bluefin tuna, Thunnus thynnus, caught in the Eastern Pacific Ocean, as estimated from length-frequency data, with comments on trans-Pacific migrations [PDF]

open access: yes, 1993
ENGLISH: The spawning of Pacific northern bluefin tuna, Thunnus thynnus, takes place only in the western Pacific Ocean (WPO), but substantial numbers of the juveniles migrate to the eastern Pacific Ocean (EPO), where they remain for several months, or ...
Bayliff, William H.
core  

Sobre el deseo y sus paradojas: una aproximación a Franz Kafka

open access: yesClínica y Salud. Investigación Empírica en Psicología, 2000
Algunos escritos de Franz Kafka, cartas y diarios, tomados a manera de material clínico, sirven como pretexto para investigar acerca de las dificultades que siempre acompañan al sujeto en el acceso a su propio deseo.
C. PECES
doaj  

Length-weight relationships of the anchoveta, Cetengraulis mysticetus, in the Gulf of Panama [PDF]

open access: yes, 1965
ENGLISH: Knowledge of the length-frequency distribution and the length-weight relationships of the anchoveta is essential for converting the catch statistics of that species from pounds to numbers of fish. Such conversions are necessary for various types
Bayliff, William H.
core  

Anatomía e Histología de los Ciegos Pilóricos en Cinco Especies de Peces de la Familia Characidae

open access: yesRevista Científica, 2010
Se realizaron análisis macro y microscópicos de los ciegos pilóricos en las especies Mylossoma acanthogaster, M. duriventre, M. aureum, Pygocentrus cariba y Cynopotamus venezuelae, procedentes de los ríos Catatumbo, Orinoco, Apure y Cunaviche en ...
Zulamita Medina Perozo   +4 more
doaj  

Validation of daily growth increments and estimation of growth rates of larval and early juvenile black skipjack, Euthynnus lineatus, using otoliths [PDF]

open access: yes, 1993
ENGLISH: Increments in otoliths (sagittae) were examined, using light and scanning electron microscopy, to determine ages and estimate growth rates of larval and early-juvenile black skipjack, Euthynnus lineatus.
Wexler, Jeanne B.
core  

Aktivierung reduktiver Stickstoffspezies durch gepulste Elektrolyse: Aktuelle Fortschritte und Zukunftsaussichten

open access: yesAngewandte Chemie, Volume 137, Issue 48, November 24, 2025.
Die gepulste Elektrolyse ermöglicht die selektive Reduktion von Stickstoffspezies durch dynamische Anpassung der Oberflächen von Elektrokatalysatoren und lokalen Reaktionsmikroumgebungen. Dieser Minireview beleuchtet Fortschritte bei der Herstellung von Ammoniak und C–N‐gekoppelten organischen Stickstoffverbindungen unter gepulsten ...
Kiarash Torabi   +9 more
wiley   +1 more source

Performance Analysis of SVD-assisted Downlink Multiuser MIMO Systems

open access: yes, 2010
Multiuser multiple-input multiple-output (MIMO) downlink (DL) transmission schemes experience both multiuser interference as well as inter-antenna interference.
Ahrens, Andreas   +2 more
core  

A review of the population structure of yellowfin tuna, Thunnus albacares, in the Eastern Pacific Ocean [PDF]

open access: yes, 1964
ENGLISH: Since its inception in 1950 by agreement between the Republic of Costa Rica and the United States of America, the Inter-American Tropical Tuna Commission has been engaged in studies of the biology, ecology and population dynamics of yellowfin ...
Alverson, Franklin G.   +3 more
core  

Barriers and opportunities for consumption of invasive lionfish in Belize

open access: yesPeople and Nature, Volume 7, Issue 11, Page 2777-2793, November 2025.
Abstract Invasive lionfish (Pterois spp.) have rapidly spread across the Western Atlantic and Mediterranean Sea. They reproduce frequently and consume native marine life important to livelihoods and reef health. To combat the deleterious impacts of this species, management efforts in Belize and throughout the invaded range have included development of ...
Kaylin R. Clements   +6 more
wiley   +1 more source

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