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Effectiveness of natural antioxidants in sunflower oil
(2005-06-27)The antioxidant activity of ∝- and δ-tocopherol, citric acid, ascorbic acid and ascorbyl palmitate was investigated in sunflower oil containing naturally occurring tocopherol. The effectiveness of natural antioxidants in ... -
Robot Saltador y Procedimiento para su Control
(2005-10-01)Robot saltador para el movimiento en terrenos con obstáculos, que contiene al menos un resorte (4) con uno de sus extremos unido al cuerpo (1) del robot, y una cadena cinemática entre el motor (5) y el resorte (4) que ... -
Active thermo chemical tables: thermochemistry for the 21st century
(2005-12)Active Thermochemical Tables (ATcT) are a good example of a significant breakthrough in chemical science that is directly enabled by the US DOE SciDAC initiative. ATcT is a new paradigm of how to obtain accurate, reliable, ... -
Aspectos de Inocuidad en la Industria de Productos Vegetales Frescos Cortados en Panamá
(2006-04-01)En el estudio se analiza la situación de la industria de productos vegetales frescos cortados en Panamá, específicamente en los aspectos de inocuidad de los productos elaborados y se constata que en el caso específico de ... -
Numerical study of inherent deformation produced in thick plates through bending by line heating
(2006-06)In ship building, line-heating is widely employed as an effective method to form steel plate with complex 3-dimensional carved geometries. However the plate bending by line heating is strongly dependent on skills. To ... -
Reliable, Built-in, High-Accuracy Force Sensing for Legged Robots
(2006-06-28)An approach for achieving reliable, built-in, high-accuracy force sensing for legged robots is presented, based on direct exploitation of the properties of a robot’s mechanical structure. The proposed methodology relies ... -
Geophysical Investigations in the Old Panama Archaeological Site
(2006-06-28)The results of geophysical prospections in an archaeological site of hispanic type in Panama (Central America) are presented in this article. The archaeological site of Old Panama has been intensively investigated with the ... -
Seismic Design of Multi-story Buildings with Metallic Structural Fuses
(2006-06-28)Seismic design relies on inelastic deformations through hysteretic behavior. However, this translates into damage on structural elements, permanent system deformations following an earthquake, and possibly high cost for ... -
Analytical Investigation of the Structural Fuse Concept
(2006-06-28)Passive energy devices (PED) are useful to enhance structural performance by reducing seismically induced structural damage. Metallic dampers are one such PED. When they are designed such that all damage is concentrated ... -
Methodology for Zero-moment Point Experimental Modeling in the Frequency Domain
(2006-06-28)Frequency domain methodology is applied to obtain a nominal model for the Zero-Moment Point (ZMP) stability index of a biped robot in an attempt to establish a relationship between the robot trunk trajectories and the ... -
Estado del Arte de la Calificación Profesional de Inspectores de Soldadura en Panamá
(2006-10)La actualización y el reconocimiento de las capacidades de profesional involucrado en actividades de soldadura, son esenciales para garantizar la calidad y seguridad de los productos y servicios prestados. Para mejorar y ... -
Modèles 2-D MA pour les champs non déterministes et la décomposition de textures de type Wold
(2007-06-29)Nous proposons une nouvelle méthode pour l'estimation de paramètres d'un modèle 2-D MA infini tronqué associé aux champs stationnaires non déterministes. Cette méthode est développée dans le cadre d'approches d'analyse et ... -
Outer Factor 2-D MA Models for Purely Random Fields and Fields and Wold-Tipe Texture Decompositions
(2007-06-29)In this paper, we propose a new method to compute the parameters of finite approximations of 2-D MA infinite models associated with purely indeterministic stationary fields, by using spectral factorizations. This method ... -
Influential factors affecting inherent deformation during plate forming by line hating (Report 1) - the effect of plate size and edge effect
(2007-09)The authors aim to propose an accurate and practical method to predict the deformation of actual plates of large size such as those used in shipbuilding. This method is to be used to improve the accuracy of an automatic ... -
Motores de rango pesado más eficientes y menos contaminantes
(2007-09-18)Todos los Motores de Combustión contaminan el medio ambiente con sus gases de escape, esta contaminación afecta al planeta y a los seres vivos. Hoy en día, los combustibles fósiles se utilizan en el 98% de los vehículos ... -
New optical filter employing multireflection mirror to provide design flexibility for WDMA
(2008-06-22)A novel optical device employing an amplified ring resonator and a multireflecting mirror inside, is presented. Is founded its transfer function. Also simple expressions for the separation of the two maximums of this novel ... -
Prospección Geofísica Aplicada a la Arqueología – Importancia de los Procesos de Modelización y Simulación Numérica
(2008-06-30)Los últimos años del siglo veinte se caracterizaron por el desarrollo de grandes proyectos científicos de los cuales conviene mencionar la aparición de medios de cálculo computacionales; estas herramientas permiten ... -
Experimental Validation of the Structural Fuse Concept
(2008-06-30)Seismic design relies on inelastic deformations through hysteretic behavior. However, this translates into damage on structural elements, permanent system deformations following an earthquake, and possibly high cost for ... -
Towards Simple Interaction in the Classroom: an NFC Approach
(2008-06-30)In a given environment, distributing different devices with computing capabilities around us opens up new possibilities. It allows simple and easy interaction between user and computer. In this work we propose an approach ... -
Compressive Sensing for Inverse Scattering
(2008-06-30)Compressive sensing is a new field in signal processing and applied mathematics. It allows one to simultaneously sample and compress signals which are known to have a sparse representation in a known basis or dictionary ...