Results 21 to 30 of about 243,005 (204)

A new neural network technique for the design of multilayered microwave shielded bandpass filters [PDF]

open access: yes, 2009
In this work, we propose a novel technique based on neural networks, for the design of microwave filters in shielded printed technology. The technique uses radial basis function neural networks to represent the non linear relations between the quality ...
Cañete Rebenaque, David   +4 more
core   +2 more sources

Calendarios, relojes y un cajero automático. Cinco patentes en la región de Murcia y dos aplicaciones de publicidad (1887-1928)

open access: yesArbor: Ciencia, Pensamiento y Cultura, 2014
A finales del siglo XIX y principios del XX, relojes y calendarios eran objetos de uso cotidiano y se encontraban en hogares, aulas y lugares de trabajo.
Pascual Santos López
doaj   +1 more source

A «titulus pictus» with an imperial mention in «Carthago Nova» and some considerations concerning the urban dynamics of the city in the early 3rd century ad

open access: yesZephyrus, 2017
The archaeological and epigraphic record in Carthago Nova suggests that the colony underwent a period of instability and urban retreat during the second half of the 2nd and the 3rd century ad.
José Miguel NOGUERA CELDRÁN   +2 more
doaj   +1 more source

Gobernanza, desarrollo local y calidad del trabajo. Los casos de Cartagena, Pereira y Pasto 2001-2008

open access: yesRevista Iberoamericana de Estudios Municipales, 2014
El presente texto explora las relaciones entre gobernanza, desarrollo económico local y calidad del trabajo. A partir de cuatro indicadores cualitativos de gobernanza analizados en tres ciudades colombianas durante un período de siete años, se valora ...
Javier Pineda Duque
doaj   +1 more source

Cartagena de España..

open access: yes, 2021
Source: Bibliothèque patrimoniale Villon (Rouen), Mt m ...
Soler,, Leandro   +1 more
openaire   +2 more sources

Efeitos do solo e clima numa vinha de uva de mesa com cultura de cobertura. Gestão da rega utilizando redes de sensores [PDF]

open access: yes, 2017
[ENG] TThe use of mulches in vineyards and orchards is a traditional agricultural practice used with the aim of saving moisture, reducing weed growth and improving organic matter content in the soil. In table grape vineyards trained to overhead system in
Ferrara, Giuseppe   +5 more
core   +2 more sources

La nueva organización del área económico-administrativa de la real armada. implantación y validación en el departamento de Cartagena (1772-1788)

open access: yesDe Computis, 2018
El desastre militar y económico que supuso para España su participación en la Guerra de los Siete Años (1761-1763) forzó a Carlos III a impulsar un proceso reformador a todos los niveles de la Monarquía con el objeto de mantener sus posesiones.
Fernando Ignacio Gómez-Juárez de la Torre
doaj   +1 more source

Simulation of gelled propellant doughs isothermal flow through extrusion dies using finite difference method [PDF]

open access: yes, 2017
During the ram extrusion of gelled propellants, the possible flow instabilities can affect the extruded propellant quality. The numerical modelling helps to enhance the geometry of extrusion die, by minimizing the product distortion caused by material ...
Faura Mateu, Félix   +4 more
core   +2 more sources

Topology and Material Optimization in Ultra‐Soft Magneto‐Active Structures: Making Advantage of Residual Anisotropies

open access: yesAdvanced Materials, EarlyView.
Residual magnetization induces pronounced mechanical anisotropy in ultra‐soft magnetorheological elastomers, shaping deformation and actuation even without external magnetic fields. This study introduces a computational‐experimental framework integrating magneto‐mechanical coupling into topology optimization for designing soft magnetic actuators with ...
Carlos Perez‐Garcia   +3 more
wiley   +1 more source

Manual de Historia de Cartagena, Murcia, 1996, 415 págs. (Varios autores)

open access: yesPanta rei, 1997
En su lectura, descubrimos la incorporación al texto de un enriquecedor aporte de fuentes escritas y arqueológicas que refuerzan y aclaran la interpretación de los procesos históricos.
David Munuera Navarro
doaj   +1 more source

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