Resolution of SU(2) monopole singularities by oxidation

We show how "colored" SU(2) BPS monopoles (that is: SU(2) monopoles satisfying the Bogomol'nyi equation whose Higgs field and magnetic charge vanish at infinity and which are singular at the origin) can be obtained from the BPST instanton by a singular dimensional reduction, explaining the origin of the singularity and implying that the singularity can be cured by the oxidation of the solution. We study the oxidation of other monopole solutions in this scheme.Comment: 13 pages, LaTeX file, no figure

La nacionalización de YPF y las condiciones para una política energética autonómica en la Argentina

En el presente artículo proponemos una mirada relativa a la decisión por parte del gobierno argentino de nacionalizar las acciones pertenecientes a la empresa de capitales españoles, Repsol, sobre la principal empresa de hidrocarburos nacional, Yacimientos Petrolíferos Fiscales (YPF). El caso es estudiado a partir de la teoría de la autonomía de Juan Carlos Puig. Comprendemos que la construcción de una política energética autonómica en el Siglo XXI estaría compuesta por tres elementos, a saber: el control sobre los denominados recursos naturales, así como diversificación y descarbonización de la matriz energética. En tal sentido, la nacionalización constituye una práctica autonómica limitada, por cuanto basa su anclaje en uno de tres elementos señalados. Asimismo, el enroque dado por el acuerdo signado con la empresa Chevrón con una reputación internacional desdeñable como producto de sus acciones en términos de daño ambiental, demuestra que la utilización del discurso ambiental fue una herramienta de primera hora que fue funcional al primer intento por expropiar las acciones de Repsol, morigerando el costo de la indemnización. En la medida que esta postura incrementó el aislamiento argentino en términos de acceso a inversiones, así como profundizaba la crisis energética, por cuanto no contaba con el capital necesario para explotar el Yacimiento de Vaca Muerta, el discurso ambiental fue dejado de lado, conjuntamente con el cierre de dos acuerdos dudosos: con Chevrón y con Repsol.Fil: Bueno, Maria del Pilar. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de Rosario; ArgentinaFil: Fernandez Alonso, Jose Marcelino. Universidad Nacional de Rosario; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentin

Past and Future Prospects of Orthoptic Liver Transplantation

The hopes for liver transplantation have been increased by experience with the new immunosuppresive drug cyclosporin A. Optimal therapy with cyclosporin A has required steroid therapy, but the amounts of prednisone used have been a small fraction of those used in the past. © 1981, American Medical Association. All rights reserved

De cómo la intermedialidad influye en la composición poética del texto: una aproximación didáctica

The degree program for new grades in the European Space of Higher Education means important changes and the possibility of adapting and adopting another work´s methodologies in the Literature teaching area, like the ones proposed by the Russian Text Stylistics, that allows to reach an ideal level of comprehension of a creative text. The author and the reader are the main actors, specifically the last one who, through a careful reading of the text - undisputable protagonist - reach the subtext of the author. The composition turns into the space that sets up the relation between author and reader who becomes interlocutor, the necessary collaborator to understand a creative work in its depth.Los planes de estudio de los nuevos grados en el Espacio Europeo de Educación Superior suponen unos cambios importantes y la posibilidad de adaptar y adoptar otras metodologías de trabajo en el ámbito de la enseñanza de la literatura, como las que se proponen desde la Estilística del texto rusa, que permitan alcanzar un nivel óptimo de comprensión de un texto creativo. El autor y el lector son los principales actores y éste último es quien, a través de una lectura atenta del texto —protagonista indiscutible — llegará al subtexto del autor. La composición se convierte en el espacio que pone en relación al autor con el lector que se convierte en interlocutor, colaborador necesario para entender en su profundidad una obra creativa

Oxygen and SO2 Consumption Rates in White and Rosé Wines: Relationship with and Effects on Wine Chemical Composition

This Article addresses the study of O2 and SO2 consumption rates of white and rosé wines, their relationship to the initial chemical composition, and their effects on the chemical changes experienced by wine during oxidation. Eight wines were subjected to five consecutive air-saturation cycles. O2 was monitored periodically; SO2, color, and antioxidant indexes were determined after each cycle, and the initial and final compositions of the wines were thoroughly determined. Wines consumed oxygen at progressively decreasing rates. In the last cycles, after a strong decrease, consistent increases of oxygen levels were seen. Oxygen consumption rates were satisfactorily modeled, being proportional to wine copper, quercetin, and kaempherol contents and negatively proportional to cinnamic acids. SO2 consumption rates were highly diverse between wines and were positively related to free SO2, Mn, and pH, among others. In the last saturations, SO2 consumption took place regardless of O2 consumption, implying that SO2 should reduce chemical species oxidized in previous saturations. Some volatile phenols seem to be the end point of radical-mediated oxidation of polyphenols taking place preferably in the first saturation

Importancia del recurso humano en las MiPyMEs Industriales en Culiacán, Sinaloa: Importância dos recursos humanos nos MiPyMEs Industrial em Culiacán, Sinaloa

La complejidad del entorno impacta de manera negativa a las micros, pequeñas y medianas empresas de la localidad, según investigación empírica y entrevistas a personal de empresas, cámaras empresariales, y asesores externos las causas de sus problemas varian desde el mal uso de recursos, incapacidad de sus líderes, resistencia al cambio, el nivel de escolaridad del empresario, la falta de visión, la no política de reinversión, así como por deficientes proceso de reclutamiento y selección de personal para la introducción de personal en las organizaciones, etc. Por lo anterior, en este trabajo se presentan resultados de investigacion que da respuesta a la pregunta ¿Cómo son los procesos de reclutamiento y selección del personal en las micros, pequeñas y medianas empresas industriales de Culiacán y cuáles son los aspectos que valora el empresario al momento de la selección del personal, así como los comportamientos, actitudes y valores que distinguen al personal eficiente en la organización? En la actualidad cada vez son más los empresarios que están concientes de la importancia de contar con un trabajador comprometido y satisfecho para mejorar la productividad de su organización. La importancia de contar con un equipo de trabajo calificado y competente puede ser la clave del éxito empresarial, ya que la mayoria de las actividades las realizan el trabajadores de la empresa

Comparison of knowledge, attitudes and hand hygiene behavioral intention in medical and nursing students.

Introduction: Hand hygiene is crucial to prevent cross infection. Healthcare students are in a prime position to learn hand hygiene skills. The aim of this study was to analyze hand hygiene behavioral intentions of healthcare students before and after contact with the patient and to compare the knowledge of and attitude towards hand hygiene between medical and nursing students. Methods: In a descriptive survey research design, convenience selection of a sample of medical students (n=657) and nursing students (n=303) was done from modules taught by the Department of Preventive Medicine and Public Health in both Medicine and Nursing undergraduate degrees in four Spanish universities. The hand hygiene Questionnaire, a validated instrument to evaluate behavior, knowledge, and attitudes, was used. Results: A significantly lower percentage of students reported always or almost always carrying out hand hygiene before contact with the patient or invasive procedures in comparison to the percentage complying after contact with secretions or with the patient. Although hand hygiene knowledge appears acceptable, its importance is not sufficiently valued.Conclusions: There are deficiencies in behavioral intention, knowledge, and attitudes related to hand hygiene in medical and nursing students. Better results are observed among nursing students, especially those who have received specific training

Experiments in context-sensitive analysis of modular programs

Several models for context-sensitive analysis of modular programs have been proposed, each with different characteristics and representing different trade-offs. The advantage of these context-sensitive analyses is that they provide information which is potentially more accurate than that provided by context-free analyses. Such information can then be applied to validating/debugging the program and/or to specializing the program in order to obtain important performance improvements. Some very preliminary experimental results have also been reported for some of these models which provided initial evidence on their potential. However, further experimentation, which is needed in order to understand the many issues left open and to show that the proposed modes scale and are usable in the context of large, real-life modular programs, was left as future work. The aim of this paper is two-fold. On one hand we provide an empirical comparison of the different models proposed in previous work, as well as experimental data on the different choices left open in those designs. On the other hand we explore the scalability of these models by using larger modular programs as benchmarks. The results have been obtained from a realistic implementation of the models, integrated in a production-quality compiler (CiaoPP/Ciao). Our experimental results shed light on the practical implications of the different design choices and of the models themselves. We also show that contextsensitive analysis of modular programs is indeed feasible in practice, and that in certain critical cases it provides better performance results than those achievable by analyzing the whole program at once, specially in terms of memory consumption and when reanalyzing after making changes to a program, as is often the case during program development

Predicting Subclinical Atherosclerosis in Low-Risk Individuals Ideal Cardiovascular Health Score and Fuster-BEWAT Score

BACKGROUND The ideal cardiovascular health score (ICHS) is recommended for use in primary prevention. Simpler tools not requiring laboratory tests, such as the Fuster-BEWAT (blood pressure [B], exercise [E], weight [W], alimentation [A], and tobacco [T]) score (FBS), are also available. OBJECTIVES The purpose of this study was to compare the effectiveness of ICHS and FBS in predicting the presence and extent of subclinical atherosclerosis. METHODS A total of 3,983 participants 40 to 54 years of age were enrolled in the PESA (Progression of Early Subclinical Atherosclerosis) cohort. Subclinical atherosclerosis was measured in right and left carotids, abdominal aorta, right and left iliofemoral arteries, and coronary arteries. Subjects were classified as having poor, intermediate, or ideal cardiovascular health based on the number of favorable ICHS or FBS. RESULTS With poor ICHS and FBS as references, individuals with ideal ICHS and FBS showed lower adjusted odds of having atherosclerotic plaques (ICHS odds ratio [OR]: 0.41; 95\% confidence interval [CI]: 0.31 to 0.55 vs. FBS OR: 0.49; 95\% CI: 0.36 to 0.66), coronary artery calcium (CACS) >= 1 (CACS OR: 0.41; 95\% CI: 0.28 to 0.60 vs. CACS OR: 0.53; 95\% CI: 0.38 to 0.74), higher number of affected territories (OR: 0.32; 95\% CI: 0.26 to 0.41 vs. OR: 0.39; 95\% CI: 0.31 to 0.50), and higher CACS level (OR: 0.40; 95\% CI: 0.28 to 0.58 vs. OR: 0.52; 95\% CI: 0.38 to 0.72). Similar levels of significantly discriminating accuracy were found for ICHS and FBS with respect to the presence of plaques (C-statistic: 0.694; 95\% CI: 0.678 to 0.711 vs. 0.692; 95\% CI: 0.676 to 0.709, respectively) and for CACS >= 1 (C-statistic: 0.782; 95\% CI: 0.765 to 0.800 vs. 0.780; 95\% CI: 0.762 to 0.798, respectively). CONCLUSIONS Both scores predict the presence and extent of subclinical atherosclerosis with similar accuracy, highlighting the value of the FBS as a simpler and more affordable score for evaluating the risk of subclinical disease. (C) 2017 The Authors. Published by Elsevier on behalf of the American College of Cardiology Foundation.The PESA study was co-funded by Fundacion Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) and Banco Santander. Funding was also provided by Institute of Health Carlos III (PI15/02019) and European Regional Development Fund. CNIC is supported by the Ministry of Economy, Industry and Competitiveness and Pro CNIC Foundation; and is a Severo Ochoa Center of Excellence (SEV-2015-0505). This work is part of a project that received funding from the European Union Horizon 2020 research and innovation program under Marie Sklodowska-Curie grant 707642 and American Heart Association grant 14SFRN20490315. Dr. Bueno has received research funding from Instituto de Salud Carlos III (PIE16/00021), AstraZeneca, Bristol-Myers Squibb, Janssen, and Novartis; is a consultant for Abbott, AstraZeneca, Bayer, Bristol-Myers Squibb-Pfizer, and Novartis; and has received speakers fees and travel and attendance support from AstraZeneca, Bayer, Bristol-Myers Squibb-Pfizer, Ferrer, Novartis, Servier, and Medscape. All other authors have reported that they have no relationships relevant to the contents of this paper to disclose. Matthew Budoff, MD, served as Guest Editor for this paper.S