892 research outputs found
8th February 2011-Rector Universidad Autónoma de Sinaloa Mexico Dr Victor Antonio Corrales Burgeño-Mexico-visiting ALICE cavern and tunnel with ALICE Spokesperson P. Giubellino
No full textPhoto 1,3-14:The delegation visiting ALICE cavern Photo 2:Dra. Beatriz E. Rodríguez Pérez Directora del Centro de Políticas de Género para la igualdad entre Hombres y Mujeres,Dr Victor Antonio Corrales Burgeño,P. Giubellino Photo 15-29:The delegation visiting LHC Tunnel Photo 30-57:Signature of the Guest Book with CERN Director-General R. Heuer and Head of International Relations F. Pauss Photo 58:Adviser for Mexico J. Salicio,ALICE Collaboration Universidad Autonoma de Sinaloa I. Leon Monzon,ALICE Collaboration Centro Invest. Estudios Avanz. IPN (Cinnestav) G. Herrera Corral,R. Heuer,Dr Victor Antonio Corrales Burgeño,F. Pauss,Dra. Beatriz E. Rodríguez Pérez,Directora de Relaciones InternacionalesMC. América M. Lizárraga Gonzále
Paralethus rowelli Cadena-Castaneda & Monzon, new species
No full text<i>Paralethus rowelli</i> Cadena-Castañeda & Monzón, new species <p>(Figs. 1–7, 66–67)</p> <p> <b>Diagnosis.</b> Ten antennal segments. Subgenital plate with three undulations at apical border, medial undulation simple without projection between cerci. Ectophallus U-shaped without basal projections, ectophallic sclerites rounded, lophi laterally flattened, apex blunt or rounded.</p> <p> <b>Holotype. ♂</b> Guatemala, San Marcos, Camino Fraternidad a Bojonal, 1600 m, 22 May 2012. Latitude: 14.9459 Longitude: -91.8806. J. Monzón & F. Camposeco <i>leg</i>. (MUD).</p> <p> <b>Paratypes.</b> 2 ♂, same data as holotype.</p> <p> <b>Description. Male: Coloration</b> mostly dark brown, sternites grayish blue with black and yellow spots. <b>Head</b>. Antennae with ten flattened segments, fastigium slightly pronounced in the middle of the eyes in lateral view, dorsally vertex fastigium conical and crossed by a groove from apex to the base of the vertex, eyes ovoid, frons pronounced smoothly in a groove which harbors the central ocellus in the middle of the antennal base. <b>Thorax:</b> Pronotum rectangular, medial carina elevated. Apterous. Legs characteristic of the genus, posterior femora and anterior and medial tibiae ventrally armed by small spines, posterior tibiae with 17 pairs of dorsal spines. <b>Abdomen</b> progressively curving upwards to the terminal region. Epiproctus triangular, wider than long, cerci curving towards interior margin from mesal portion. Subgenital plate dome shaped and thin, apex with three undulations: two lateral and one medial without projecting. <b>Phallic complex:</b> usual for the genus, flattened and wider. Subepiphagic sack absent, dorsal shield short, contiguous to ectophallus and smoothly bifurcated. Ectophallus well sclerotized, dorsal and ventral ectophallic sclerites present with rounded apex and no spines, rest of ectophallus elongated and U shaped, without basal end modification. Epiphallus with thin disc, almost inconspicuous, lophi projecting on lateral border of the phallic complex, laterally flattened and slightly curving inwards, apex rounded.</p> <p> <b>Female.</b> Unknown.</p> <p> <b>Etymology.</b> Named for Hugh Fraser Rowell, author of the genus and great Acrididologist, who has done important work on the Central American Orthoptera fauna.</p> <p> <b>Measurements (mm). Tl:</b> 11, <b>P:</b> 2, <b>Hf:</b> 7, <b>Ht:</b> 8, <b>Sp:</b> 1.5.</p> <p> <b>Commentary.</b> External morphology very similar to <i>P. insolitus</i> Rowell & Perez-Gelabert, 2006 except for the medial projection in the subgenital plate, which projects upwards between the cerci in <i>P. insolitus</i> but is absent in <i>P. rowelli</i> sp. nov., which is the main external morphological character that distinguishes them.</p>Published as part of <i>Cadena-Castañeda, Oscar J. & Monzón-Sierra, José, 2014, Studies in Guatemalan Caelifera: New grasshoppers and monkey grasshoppers (Orthoptera: Caelifera: Acridoidea & Eumastacoidea) and an updated checklist, pp. 379-411 in Zootaxa 3857 (3)</i> on page 384, DOI: 10.11646/zootaxa.3857.3.3, <a href="http://zenodo.org/record/250529">http://zenodo.org/record/250529</a>
Random period arc-induced long-period fiber gratings
No full textWe report the fabrication of arc-induced long-period fiber gratings with strong random variations in the period. Long-period fiber gratings with standard deviations in the period from 8.50 to 36.98 ?m were fabricated. The spectral position of the resonant bands is determined by the average period value, being similar to that observed in a long-period fiber grating with a fixed period equal to the average period of the random grating. Moreover the notch bands keep the shape characteristics like wideband and depth compared with a long-period grating with a constant period. In addition, their sensitivity to external parameters such as ambient refractive index is not too different with that of fixed period long-period gratings. � 2011 Elsevier Ltd. All rights reserved
El calpulli en la organización social de los tenochca
No full textThis is a study of the calpulli as the main element of social, economic, and religious organization in Tenochtitlan. Despite the steady use of words in Nahuatl, the author often explains its meaning.Estudio del calpulli como elemento esencial en la organización social, religiosa y económica de Tenochtitlan. El autor maneja muchas palabras nahuas de las cuales, en frecuentes ocasiones, explica su significado.Introducción, I. Teorías sobre la organización social de los tenochca; II. Estratificación social; III. Divisón territorial; IV. La propiedad de la tierra; V. División social del trabajo; VI. Pruebas de que el calpulli era un clan; VII. Indicios de que el calpulli era ambilateral y con tendencia endogámica; VIII. La herencia diferencial del rango y los calpullis; IX. Posibilidad de otras interpretaciones; Conclusiones, X. El estado evolutivo de la sociedad de los tenochc
ALICE Diffractive Detector Control System for RUN-II in the ALICE Experiment
No full textThis paper describes general characteristics of the deployment and commissioned of the Detector Control System (DCS) AD0 for the second phase of the Large Hadron Collider (LHC). The AD0 detector is installed in the ALICE experiment to provide a better selection of diffractive events.This paper describes general characteristics of the deployment and commissioned of the Detector Control System (DCS) AD0 for the second phase of the Large Hadron Collider (LHC). The AD0 detector is installed in the ALICE experiment to provide a better selection of diffractive events.The ALICE Diffractive (AD0) detector has been installed and commissioned for the second phase of operation (RUN-II). With this new detector it is possible to achieve better measurements by expanding the range of pseudo-rapidity in which the production of particles can be detected. Specifically the selection of diffractive events in the ALICE experiment which was limited by the range over which rapidity gaps occur. Any new detector should be able to take data synchronously with all other detectors and to be operated through the ALICE central systems. One of the key elements developed for the AD0 detector is the Detector Control System (DCS). The DCS is designed to operate safely and correctly this detector. Furthermore, the DCS must also provide optimum operating conditions for the acquisition and storage of physics data and ensure these are of the highest quality. The operation of AD0 implies the configuration of about 200 parameters, as electronics settings and power supply levels and the generation of safety alerts. It also includes the automation of procedures to get the AD0 detector ready for taking data in the appropriate conditions for the different run types in ALICE. The performance of AD0 detector depends on a certain number of parameters such as the nominal voltages for each photomultiplier tube (PMT), the threshold levels to accept or reject the incoming pulses, the definition of triggers, etc. All these parameters affect the efficiency of AD0 and they have to be monitored and controlled by the AD0 DCS
Phenotypic and genetic characterization of antimicrobial resistance in <i>Salmonella enterica</i> serovar Choleraesuis isolates from humans and animals in Spain from 2006 to 2021
No full textObjectives: While an increase in the levels of MDR in Salmonella enterica sevorar Choleraesuis has been reported in Europe, little is known about the situation in Spain. Therefore, we first aimed to assess the phenotypic resistance profile and to determine the presence of genetic determinants of resistance of S. Choleraesuis isolates collected in animal and human. Our second objective was to identify and characterize clusters of highly related isolates.
Methods: We analysed 50 human and 45 animal isolates retrieved from 2006 to 2021 using the disc diffusion method and performed WGS followed by analyses of genetic determinants and phylogenetic analysis.
Results: All isolates were of ST145 and corresponded to the variant Kunzendorf. Swine isolates harboured a significantly higher number of antimicrobial resistance genes than human isolates, and often carried plasmid replicons of the IncHI2/IncHI2A type (42% of all animal isolates). In addition, we identified several MDR S. Choleraesuis strains circulating in humans and swine between 2006 and 2021. The phylogenetic analyses identified four clades associated with specific patterns of resistance genes and plasmid replicons. The clades also included isolates that differed in terms of year and region of isolation as well as host of origin.
Conclusions: This One Health approach highlights that reducing human MDR S. Choleraesuis infections may require the adoption of strategies that not only seek to prevent cases in humans but also to characterize and reduce the infection burden in swine.European Centre for Disease Prevention and ControlMinisterio de Economía y Competitividad (España)Depto. de Sanidad AnimalCentro de Vigilancia Sanitaria Veterinaria (VISAVET)Fac. de VeterinariaTRUEpu
Polymyositis inpatients infected with human T‐cell leukemia virus type I: The role of the virus in the cause of the disease
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Genomic epidemiology of fluoroquinolone-resistant strains of <i>Shigella sonnei</i> and <i>Shigella flexneri</i> in the Iberian Peninsula from 2015 to 2022
No full textFluoroquinolone-resistance in Shigella is among the serious antimicrobial resistance (AMR) threats. We investigated the genomic epidemiology of fluoroquinolone resistant (FQR) strains of S. sonnei and S. flexneri from 2015 to 2022 in Spain and Portugal. We determined the AMR profiles of 416 isolates (S. flexneri and S. sonnei) and FQR isolates were subjected to whole-genome sequencing. The percentage of FQR isolates gradually increased to reach 38% and 80% of S. flexneri and S. sonnei isolates, respectively in 2022. S. sonnei isolates from men were significantly more likely to be FQR (RR = 4.9, 95% CI = 2.7- 9.0). Genomic analysis revealed two major genetic clusters of FQR S. sonnei from the CipR.MSM5 lineage, previously associated with extreme antimicrobial resistance and transmission in men having sex with men. This study contributes to a better understanding of FQR shigellosis transmission and highlights the added value of enhanced surveillance for these pathogens
Effect and Improvement Areas for Port State Control Inspections to Decrease the Probability of Casualty
No full textThis report is the fourth part of a PhD project called "The Econometrics of Maritime Safety – Recommendations to Enhance Safety at Sea" and is based on 183,000 port state control inspections and 11,700 casualties from various data sources. Its overall objective is to provide recommendations to improve safety at sea. The fourth part looks into measuring the effect of inspections on the probability of casualty on either seriousness or casualty first event to show the differences across the regimes. It further gives a link of casualties that were found during inspections with either the seriousness of casualties and casualty first events which reveals three areas of improvement possibilities to potentially decrease the probability of a casualty – the ISM code, machinery and equipment and ship and cargo operations.maritime safety;correspondence analysis;binary logistic regression;probability of casualty;improvement;Port State Control Effectiveness;casualty first events;detention;port state control deficiences;target factor
Space Charge Compensation in the Linac4 Low Energy Beam Transport Line with Negative Hydrogen Ions
No full textThe space charge effect of low energy, unbunched ion beams can be compensated by the trapping of ions or electrons into the beam potential. This has been studied for the 45 keV negative hydrogen ion beam in the CERN Linac4 Low Energy Beam Tranport (LEBT) using the package IBSimu1, which allows the space charge calculation of the particle trajectories. The results of the beam simulations will be compared to emittance measurements of an H- beam at the CERN Linac4 3 MeV test stand, where the injection of hydrogen gas directly into the beam transport region has been used to modify the space charge compensation degree
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