1,345 research outputs found

    Book Review: Staging the French Revolution: Cultural Politics and the Paris Opera, 1789-1794

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    Dr. Wayne Wentzel\u27s review of Mark Darlow, Staging the French Revolution: Cultural Politics and the Paris Opéra, 1789-1794. Oxford and New York: Oxford University Press, 2012. xi + 421 pp. Tables, illustrations, graphs, musical examples, bibliography and index. $ 65.00 (hb). ISBN 978-0-19-977372-5

    Book Reviews: Darius Milhaud by Paul Collaer; “The Operas of Darius Milhaud by Jeremy Drake

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    Wayne Wentzel\u27s book review contributions to Notes: The Quarterly Journal of the Music Library Associatio

    Dynamic and Attack Associations in Boulez’s \u3ci\u3eLe Marteau sans maître\u3c/i\u3e

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    This paper explores dynamic and attack associations in the Bourreux de Solitude movement of Pierre Boulez\u27s pivotal piece, Le Marteau sans maître

    Modelling organic material in activated sludge systems

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    A simple predictive model for the activated sludge reactor inorganic suspended solids (ISS) concentration is presented. It is based on the accumulation of influent ISS in the reactor and an ordinary heterotrophic organism (OHO) ISS content (fiOHO) of 0.15 mg ISS/mgOHOVSS and a variable phosphate accumulating organism (PAO) ISS content (fiPAO) proportional to their P content (fXBGP). The model is validated with data from 21 investigations conducted over the past 15 years on 30 aerobic and anoxic-aerobic nitrification denitrification (ND) systems and 18 anaerobic-anoxic-aerobic ND biological excess P removal (BEPR) systems variously fed artificial and real wastewater and operated from 3 to 20 d sludge age. The predicted reactor VSS/TSS ratio reflects the observed relative sensitivity to sludge age, which is low, and to BEPR, which is high. For effective use of the model for design, two significant issues require attention: measurement of the influent ISS concentration, which is not commonly done in wastewater characterisation analyses; and estimating a priori the P content of PAOs (fXBGP), which can vary considerably depending on the extent of anoxic P uptake BEPR that takes place in the system. Some guidance on selection of the mixed liquor VSS/TSS ratio for design is given

    A Modified Synchrotron Model for Knots in the M87 Jet

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    For explaining the broadband spectral shape of knots in the M87 jet from radio through optical to X-ray, we propose a modified synchrotron model that considers the integrated effect of particle injection from different acceleration sources in the thin acceleration region. This results in two break frequencies at two sides of which the spectral index of knots in the M87 jet changes. We discuss the possible implications of these results for the physical properties in the M87 jet. The observed flux of the knots in the M87 jet from radio to X-ray can be satisfactorily explained by the model, and the predicted spectra from ultraviolet to X-ray could be further tested by future observations. The model implies that the knots D, E, F, A, B, and C1 are unlikely to be the candidate for the TeV emission recently detected in M87.Comment: 12 pages, 1 figure, 2 tables, Accepted for publication in ApJ Letter

    The Ursinus Weekly, February 16, 1948

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    Dr. Miller discusses pan-American unity at forum conclave • Campus frats accept 51 new members; Apes, Sigma Rho secure largest quotas • 81 students grace this term\u27s \u27B list\u27 • Frosh women receive colors at ceremonies marking annual fete • Gettysburg to face debaters tomorrow • Walton tempos please 500 at Valentine hop • Leaders organize student committee • Dr. Chandler guest at pre-legal dinner; foresees promising future for lawyers • Pre-meds hear cardiology discussed by college prof • Pointers on brokerage business given to Bus-Ad group members • Kitchen employee suffers attack • May pageants due March 2; winner receives $15 prize • Sororities plan rushing • FTA to hear professor Sturgis • Comedy skits to be given tomorrow evening at gym • Y holds Ash Wednesday service • News item becomes satire when written a la Time magazine • Ursinus grad\u27s new poetry anthology reviewed by literary magazine editor • Immaculata sextet racks up 36-22 win over bearette six • PMC cadets overcome halftime deficit to inflict 62-56 defeat on grizzlies • Jaffe, Widholm top scorers in first eight hoop tilts • Turner, Mitchell win as bruin wrestlers bow to Swarthmore • Puzzling points of wrestling explained • Cindermen open drills; impressive group of veterans bolsters club • Delaware hammers bruin quintet, 45-40, to tie for second place in loop race • Inter-dorm court loop awaits starting signal • Mermaids, Norristown High in swim meet deadlock • Bearette JVs upset Immaculata • Badminton team tops Drexel • Harsch, Ewen, Dean chosen to be \u27model UN\u27 delegates • World day for prayer observedhttps://digitalcommons.ursinus.edu/weekly/1631/thumbnail.jp

    Solar Physics - Plasma Physics Workshop

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    A summary of the proceedings of a conference whose purpose was to explore plasma physics problems which arise in the study of solar physics is provided. Sessions were concerned with specific questions including the following: (1) whether the solar plasma is thermal or non-themal; (2) what spectroscopic data is required; (3) what types of magnetic field structures exist; (4) whether magnetohydrodynamic instabilities occur; (5) whether resistive or non-magnetohydrodynamic instabilities occur; (6) what mechanisms of particle acceleration have been proposed; and (7) what information is available concerning shock waves. Very few questions were answered categorically but, for each question, there was discussion concerning the observational evidence, theoretical analyses, and existing or potential laboratory and numerical experiments

    South Africa's salt reduction strategy: Are we on track, and what lies ahead?

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    On 2 September 2016, 25 local and international participants from various sectors met in Cape Town to take stock of South Africa (SA)’s progress in salt reduction and develop a roadmap for action. SA is centre stage on salt reduction globally, being the first country to mandate salt reduction across a wide range of processed foods. Excessive salt intake contributed by processed foods and discretionary sources motivated SA to implement a public awareness campaign in parallel with legislation to reduce salt intake to the World Health Organization target of 5 g per day. Five priority areas were identified for continued action on salt reduction, including obtaining research funds for continued monitoring and compliance of salt reduction targets. Determining the contribution of foods eaten out of home to total salt intake and implementing strategies to address this sector were also highlighted as key actions. Lastly, implementing the next stage of the Salt Watch awareness campaign to change

    Complex Action Support from Coincidences of Couplings

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    Our model \cite{ownmMPP}\cite{SIMPP} with complex action in a functional integral formulation with path integrals extending over all times, past and future, is reviewed. Several numerical relations between coupling constants are presented as supporting evidence. The new evidence is that some more unexplained coincidences are explained in our model: 1) The "scale problem" is solved because the Higgs field expectation value is predicted to be very small compared to say some fundamental scale, that might be the Planck scale. 2) The Higgs VEV need not, however, to be just zero, but rather is predicted to be so that the running top-Yukawa coupling just is about to be unity at this scale; in this way the (weak) scale easily becomes "exponentially small". Instead of the top-Yukawa we should rather say the highest flavour Yukawa coupling here. These predictions are only achieved by allowing the principle of minimization of the imaginary part of the action SI(history) to to a certain extent adjust some coupling constants in addition to the initial conditions. If Susy-partners are not found in LHC, it would strengthen the need for "solution" of the hierarchy or rather scale problem along the lines of the present article.Comment: only text. Some printing mistakes corrected and a couple of new subsections inserted and abstract stylistically changed a bi
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