108,412 research outputs found

    Rainbow "Groovy 2019" posters

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    These posters were created to celebrate the new year and to welcome students back to campus

    Integrating Externally Developed Systems For SNS Linac Cooling And Vacuum

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    External contractors are developing the local cooling and vacuum control systems for the Spallation Neutron Source (SNS) linac. Soon these systems will be integrated into the facility-wide controls system. Allen-Bradley Logix5000 series programmable controllers, populated with appropriate input/output modules, were selected as the local controllers. These controllers will be interfaced to the facility-wide control system via VME systems with PowerPC processors running the Wind River VxWorks operating system and Experimental Physics and Industrial Control System (EPICS) front-end controller software. This paper describes the interface and integration issues driven by project, cooling system and vacuum system requirements and hardware selections.Comment: This paper for the ICALEPCS 2001 conference, San Jose, CA, USA, November 27-30 2001, (TUAP063), 3 pages, PD

    Optimization of the Two-Baseline Beta-Beam

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    We propose a β\beta-Beam experiment with four source ions and two baselines for the best possible sensitivity to θ13\theta_{13}, CP violation and mass hierarchy. Neutrinos from 18^{18}Ne and 6^6He with Lorentz boost γ=350\gamma=350 are detected in a 500 kton water \chr detector at a distance L=650 km from the source. Neutrinos from 8^8B and 8^8Li are detected in a 50 kton magnetized iron detector at a distance L=7000 km from the source. Since a tilt angle ϑ=34.5\vartheta=34.5^\circ is required to send the beam to the magic baseline, the far end of the ring has a maximum depth of d=2132d=2132 m. We alleviate this problem by proposing to trade reduction of the decay ring with the increase in the boost factor of the 8^8Li and 8^8B ions up to γ8Li=390\gamma_{^8\mathrm{Li}}=390 and γ8Li=650\gamma_{^8\mathrm{Li}}=650, such that the number of events at the detector remains almost the same. We study the sensitivity reach of this two-baseline two-storage ring β\beta-Beam experiment, and compare it with the corresponding reach of the other proposed facilities.Comment: 5 pages. Based on the talk given at Nufact09, Chicago, July 20-25, 2009. Typos correcte

    Spanish Treatises on Musica Practica c. 1480-1525: Reflections from a Cultural Perspective

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    Se estudian los tratados de música práctica ibéricos entre 1480-1535, atendiendo en primer lugar a la distribución y orden de los contenidos, y a las autoridades y ejemplos de composiciones mencionados. En segundo lugar, se realiza una comparación minuciosa de los textos de los tratados sobre los problemas de las mutaciones, conjuntas, disjuntas, y efectos de los modos. Se demuestra la persistencia de las tradiciones orales, puesto que algunas coincidencias se remiten a Fernando de Estevan (1410) y a Gil de Zamora (ca. 1265). Las novedades que aportó Ramos de Pareja respecto a los paralelismos entre la música mundana, humana e instrumental también son comentadas en relación a sus posibles fuentes. Se relacionan las prácticas de improvisación con las principales características diferenciadoras de la teoría musical hispánica, que ya identificara Robert Stevenson (1960: 67), por lo cual, por primera vez se intenta dar una explicación a estas peculiaridades. Por último, gracias a las conclusiones del estudio, se matiza la negación de Bonnie Blackburn (2001: 318) acerca de la presencia del humanismo en estos teóricos.Este trabajo forma parte del proyecto de investigación “La obra musical renacentista: fundamentos, repertorios y prácticas” HAR 2015-70181-P (MINECO/FEDER, UE

    Optimization of a method for preparing solid complexes of essential clove oil with beta-cyclodextrins

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    Essential CO was successfully solubilized in aqueous solution by forming inclusion complexes with beta-cyclodextrins (beta-CDs). Moreover, phase solubility studies demonstrated that essential CO also forms insoluble complexes with beta-CDs. Based on these results, essential CO-beta-CD solid complexes were prepared by the novel approach of microwave irradiation (MWI) followed by three different drying methods: vacuum oven drying (VO), freeze drying (FD) or spray drying (SD). Quantification of the solid complexes formed pointed to the not involving heat, FD, as the best drying method, followed by VO and SD, which led to significantly lower amounts of encapsulated essential CO.Ciencias de la Alimentació

    Analysis of the Natura 2000 Networks in Sweden and Spain

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    In this paper the main differences between Natura 2000 Network in Sweden and Spain are analyzed. Comparing different documents at different levels: European, national and regional, the author aims to understand which strategies have been taken in both countries regarding the implementation, management, funding and social reactions of Natura 2000 Network and verify whether in a common Europe the differences in the understanding of environmental common policy are decisive and define the implementation process. The results can clearly show that such differences occur in practically the total issues analyzed. Sweden could be characterized by its orderly and homogeneous implementation process with a close communication between public administration and stakeholders that have influenced all the process. As a result its Natura 2000 Network has marked differences on distribution and size in its Natura sites. Spain, however, shows a heterogeneous and complicated process characterized for both the disinformation due to the lack of communication with the stakeholders and controversial legislative measures which caused social reactions against this network. In contrast it seems that the criteria followed for the sites selection were less influenced by stakeholders. As a conclusion environmental Directives transpositions are being fulfilled with different criteria having as a result significant differences in their final objective
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