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Performing Arithmetic Operations with Spiking Neural P Systems
(Fénix Editora, 2009)
We consider spiking neural P systems as devices which can be used to perform some basic arithmetic operations, namely addition, subtraction, comparison and multiplication by a fixed factor. The input to these systems are ...
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On the efficiency of cell-like and tissue-like recognizing membrane systems
(Wiley, 2009)
Cell-like recognizing membrane systems are computational devices in the framework of membrane computing inspired from the structure of living cells, where biological membranes are arranged hierarchically. In this paper ...
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Modelling surface radioactive, chemical and oil spills in the Strait of Gibraltar
(Elsevier, 2008)
A model that simulates the dispersion of chemical/radioactive and oil spills in the Strait of Gibraltar has been developed. Water currents over the Strait have been obtained from a hydrodynamic model. Computed tides and ...
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Hierarchical star formation: Stars and stellar clusters in the Gould Belt
(Oxford University Press, 2009)
We perform a study of the spatial and kinematical distribution of young open clusters in the solar neighbourhood, discerning between bound clusters and transient stellar condensations within our sample. Then, we discriminate ...
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A Simulation Tool for Geometrical Analysis and Optimization of Fuel Cell Bipolar Plates: Development, Validation and Results
(MDPI, 2009-07-31)
Bipolar plates (BPs) are one of the most important components in Proton Exchange Membrane Fuel Cells (PEMFC) due to the numerous functions they perform. The objective of the research work described in this paper was to ...
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Efficient realisation of MOS-NDR threshold logic gates
(Wiley Open Access, 2009-11-05)
A novel realisation of inverted majority gates based on a programmable MOS-NDR device is presented. A comparison, in terms of area and power consumption, has been performed to demonstrate that the proposed circuit is ...
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Structure of the Complex between Plastocyanin and Cytochrome f from the Cyanobacterium Nostoc sp. PCC 7119 as Determined by Paramagnetic NMR
(Elsevier, 2005)
The complex between cytochrome f and plastocyanin from the cyanobacterium Nostoc has been characterized by NMR spectroscopy. The binding constant is 16 mm–1, and the lifetime of the complex is much less than 10 ms. ...
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Predicción de destinos geográficos mediante Modelos de Markov Ocultos
(ARCA: Automatización del Razonamiento Cualitativo y Aplicaciones, 2008-06)
En este artículo se propone una metodología basada en los modelos de Markov Ocultos para realizar predicciones del futuro lugar geográfico hacia el que nos dirigimos cuando comenzamos un nuevo recorrido. En primer lugar ...
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Increased sensitivity to protein synthesis inhibitors in cells lacking tmRNA
(Cold Spring Harbor Laboratory Press, 2001)
tmRNA (also known as SsrA or 10Sa RNA) is involved in a trans-translation reaction that contributes to the recycling of stalled ribosomes at the 3′ end of an mRNA lacking a stop codon or at an internal mRNA cluster of rare ...