The ALICE electromagnetic calorimeter high level triggers

The ALICE (A Large Ion Collider Experiment) detector yields a huge sample of data from different sub-detectors. On-line data processing is applied to select and reduce the volume of the stored data. ALICE applies a multi-level hardware trigger scheme where fast detectors are used to feed a three-level (L0, L1, and L2) deep chain. The High-Level Trigger (HLT) is a fourth filtering stage sitting logically between the L2 trigger and the data acquisition event building. The EMCal detector comprises a large area electromagnetic calorimeter that extends the momentum measurement of photons and neutral mesons up to $p_T=250$ GeV/c, which improves the ALICE capability to perform jet reconstruction with measurement of the neutral energy component of jets. An online reconstruction and trigger chain has been developed within the HLT framework to sharpen the EMCal hardware triggers, by combining the central barrel tracking information with the shower reconstruction (clusters) in the calorimeter. In the present report the status and the functionality of the software components developed for the EMCal HLT online reconstruction and trigger chain will be discussed, as well as preliminary results from their commissioning performed during the 2011 LHC running period.Comment: Proceeding for the CHEP 2012 Conferenc

On-lattice agent-based simulation of populations of cells within the open-source chaste framework

Over the years, agent-based models have been developed that combine cell division and reinforced random walks of cells on a regular lattice, reaction-diffusion equations for nutrients and growth factors and ordinary differential equations (ODEs) for the subcellular networks regulating the cell cycle. When linked to a vascular layer, this multiple scale model framework has been applied to tumour growth and therapy. Here we report on the creation of an agent-based multiscale environment amalgamating the characteristics of these models within a Virtual Pysiological Human (VPH) Exemplar Project. This project enables re-use, integration, expansion and sharing of the model and relevant data. The agent-based and reactiondiffusion parts of the multiscale model have been implemented and are available for download as part of the latest public release of Chaste (“Cancer, Heart and Soft Tissue Environment”), (http://www.cs.ox.ac.uk/chaste/) version 3.1, part of the VPH Toolkit (http://toolkit.vph-noe.eu/). The environment functionalities are verified against the original models, in addition to extra validation of all aspects of the code. In this work, we present the details of the implementation of the agent-based environment, including the system description, the conceptual model, the development of the simulation model and the processes of verification and validation of the simulation results. We explore the potential use of the environment by presenting exemplar applications of the “what if” scenarios that can easily be studied in the environment. These examples relate to tumour growth, cellular competition for resources and tumour responses to hypoxia. We conclude our work by summarising the future steps for the expansion of the current system

Existence of positive solutions for a semipositone p-Laplacian problem

We prove the existence of positive solutions to a semipositone p-Laplacian problem combining mountain pass arguments, comparison principles, regularity principles and a priori estimates

Do slower life history strategies reduce sociodemographic sex differences?

This study examines the relations between sociodemographic sex differences and life history strategies in the populations of Mexican States. Sex differences in anatomy and behavior was measured with traits such as educational achievement, mortality, and morbidity. The data were obtained from the Instituto Nacional de Estadística y Geografía (INEGI) and sampled from thirty-one Mexican states and the Federal District (N = 32). An extension analysis was performed selecting only the sex ratio variables that had a correlation with the slow Life History factor greater than or equal to an absolute value of .25. A unit-weighted sex ratio factor was created using these variables. Across 32 Mexican states, the correlation between latent slow life history and sex ratio was .57 (p .05). These results are consistent with our hypothesis that slower life histories favor reduced sexual dimorphism in physiology and behavior among human subnational populations. The results of the study further understanding of variations in population sex differences, male-biased behaviors toward sexual equality, and the differences among subnational (regional) populations within the United States of Mexico.   DOI:10.2458/azu_jmmss_v6i1_chavarria_miner

Composition chimique de l’huile essentielle des fleurs de Lanneavelutina (Anacardiaceae) du Mali

La présente étude a pour but la détermination de la composition chimique de l’huile essentielle des fleurs de Lanneavelutina, une plante mellifère répertoriée au Mali (Cissé 2004). Cette huile essentielle a été obtenue par entrainement à la vapeur d’eau avec des rendements de l’ordre de 0.04%. Le composé majoritaire identifié est le beta-caryophyllène (22-36%). Elle contient essentiellement des sesquiterpènes, des hydrocarbures saturés et des hydrocarbures oxygénés non terpéniques.Mots clés: Composition chimique, mellifère, entrainement à la vapeur d’eau, sesquiterpène

The Use of Agent-Based Simulation to Discover Extreme Cases in Immune-Interactions with Early-Stage Cancer Scenarios

Early-stage cancer and its interactions with the immune system are still not fully understood. In order to better understand these processes, researchers employ different methods. Simulation and in particular, agent-based simu-lation (ABS) have been found useful tools for understand-ing it (Look et al., 1981; Castiglione et al., 1999, 2001; Bonabeau, 2002; Figueredo and Aickelin, 2011; Figueredo et al., 2013a,b). In a previous study (Figueredo et al., 2013b) we have built an ABS model to study the interplay of immune cells and early-stage cancer. The model considers interactions be-tween tumour cells and immune effector cells, as well as the immune-stimulatory and suppressive cytokines IL-2 and TGF-. IL-2 molecules mediate the immune response to-wards tumour cells. They interfere on the proliferation o

Reducción del consumo eléctrico debido a climatización en un salón de un edificio educativo del NEA

La sociedad actual demanda condiciones de confort que permitan desarrollar actividades con elevada productividad, en el NEA alcanzar las condiciones apropiadas de temperatura y humedad en edificios antiguos implica un excesivo consumo de energía eléctrica. Se presenta la simulación computacional mediante el software Energy Plus del comportamiento térmico de un aula del edificio de la Facultad Regional Resistencia de la Universidad Tecnológica Nacional. Se validan los resultados de la simulación con datos experimentales de temperatura interior para idénticas condiciones exteriores de radiación solar y temperatura. Se obtiene la carga térmica instantánea y la disminución potencial de consumo de energía eléctrica destinada a la climatización para diferentes casos de rehabilitación térmica del salón. Se verifica la exactitud del modelo confrontando los resultados de la simulación con los datos internos medidos en el aula. Se demuestra también la capacidad del software como herramienta para mejorar la eficiencia energética de edificios y garantizar las condiciones de confort.Today’s society demands high comfort conditions to carry out activities with high productivity, in the Argentine Northeast achieving the appropriate conditions of temperature and humidity in old buildings involves excessive power consumption. It is presented the computer simulation by the Energy Plus software about thermal behavior of a classroom in the building of the Facultad Regional Resistencia of the Universidad Tecnológica Nacional. The simulation results are validated with measured data of indoor temperature for the same exterior conditions of solar radiation and temperature. Is obtained the instantaneous thermal charge and the decrease of potential consumption of electricity for air conditioning in different cases of thermal rehabilitation. The accuracy of the model is verified by comparing the simulation results with internal data measured in the classroom. The ability of the software as a tool to improve the energy efficiency of buildings and ensure comfort conditions is also demonstrated.Tema 8: Energías renovables, modelización y simulación.Facultad de Arquitectura y Urbanism

Reducción del consumo eléctrico debido a climatización en un salón de un edificio educativo del NEA

La sociedad actual demanda condiciones de confort que permitan desarrollar actividades con elevada productividad, en el NEA alcanzar las condiciones apropiadas de temperatura y humedad en edificios antiguos implica un excesivo consumo de energía eléctrica. Se presenta la simulación computacional mediante el software Energy Plus del comportamiento térmico de un aula del edificio de la Facultad Regional Resistencia de la Universidad Tecnológica Nacional. Se validan los resultados de la simulación con datos experimentales de temperatura interior para idénticas condiciones exteriores de radiación solar y temperatura. Se obtiene la carga térmica instantánea y la disminución potencial de consumo de energía eléctrica destinada a la climatización para diferentes casos de rehabilitación térmica del salón. Se verifica la exactitud del modelo confrontando los resultados de la simulación con los datos internos medidos en el aula. Se demuestra también la capacidad del software como herramienta para mejorar la eficiencia energética de edificios y garantizar las condiciones de confort.Today’s society demands high comfort conditions to carry out activities with high productivity, in the Argentine Northeast achieving the appropriate conditions of temperature and humidity in old buildings involves excessive power consumption. It is presented the computer simulation by the Energy Plus software about thermal behavior of a classroom in the building of the Facultad Regional Resistencia of the Universidad Tecnológica Nacional. The simulation results are validated with measured data of indoor temperature for the same exterior conditions of solar radiation and temperature. Is obtained the instantaneous thermal charge and the decrease of potential consumption of electricity for air conditioning in different cases of thermal rehabilitation. The accuracy of the model is verified by comparing the simulation results with internal data measured in the classroom. The ability of the software as a tool to improve the energy efficiency of buildings and ensure comfort conditions is also demonstrated.Tema 8: Energías renovables, modelización y simulación.Facultad de Arquitectura y Urbanism

Reducción del consumo eléctrico debido a climatización en un salón de un edificio educativo del NEA

La sociedad actual demanda condiciones de confort que permitan desarrollar actividades con elevada productividad, en el NEA alcanzar las condiciones apropiadas de temperatura y humedad en edificios antiguos implica un excesivo consumo de energía eléctrica. Se presenta la simulación computacional mediante el software Energy Plus del comportamiento térmico de un aula del edificio de la Facultad Regional Resistencia de la Universidad Tecnológica Nacional. Se validan los resultados de la simulación con datos experimentales de temperatura interior para idénticas condiciones exteriores de radiación solar y temperatura. Se obtiene la carga térmica instantánea y la disminución potencial de consumo de energía eléctrica destinada a la climatización para diferentes casos de rehabilitación térmica del salón. Se verifica la exactitud del modelo confrontando los resultados de la simulación con los datos internos medidos en el aula. Se demuestra también la capacidad del software como herramienta para mejorar la eficiencia energética de edificios y garantizar las condiciones de confort.Today’s society demands high comfort conditions to carry out activities with high productivity, in the Argentine Northeast achieving the appropriate conditions of temperature and humidity in old buildings involves excessive power consumption. It is presented the computer simulation by the Energy Plus software about thermal behavior of a classroom in the building of the Facultad Regional Resistencia of the Universidad Tecnológica Nacional. The simulation results are validated with measured data of indoor temperature for the same exterior conditions of solar radiation and temperature. Is obtained the instantaneous thermal charge and the decrease of potential consumption of electricity for air conditioning in different cases of thermal rehabilitation. The accuracy of the model is verified by comparing the simulation results with internal data measured in the classroom. The ability of the software as a tool to improve the energy efficiency of buildings and ensure comfort conditions is also demonstrated.Tema 8: Energías renovables, modelización y simulación.Facultad de Arquitectura y Urbanism

Planejamento e implantação do sistema de gestão da qualidade na Embrapa Uva e Vinho.

Este trabalho tem como objetivo propor uma abordagem para conduzir um processo de Implantação de um SGQ (Sistema de Gestão da Qualidade) e relatar os resultados recentes alcançados na Embrapa Uva e Vinho