169,925 research outputs found

    Giovanni Castellari / Francesco Ruffini

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    Giovanni Castellari / Francesco Ruffini Torino : Stamp. reale G. B. Paravia & C., 1909 9 p. ; 24 cm Note Estr. da : Annuario della R. Universita di Torino, anno 1908 - 1909

    Excess Molar Enthalpies and Hydrogen Bonding in Binary Mixtures Containing Ethers and Benzyl Alchohol at 308.15 K and Atmospheric Pressure.

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    Excess molar enthalpies, HEm, of binary liquid mixtures containing dibutyl ether or ethylene glycol monoethyl ether or ethylene glycol dimethyl ether or ethylene glycol diethyl ether or diethylene glycol ethyl ether or diethylene glycol diethyl ether or triethylene glycol monoethyl ether + benzyl alcohol have been measured over the entire range of composition at 308.15 K and at atmospheric pressure using a flow microcalorimeter. Data were fitted to the Redlich-Kister equation. The results show how the enthalpy of mixing is influenced by both the steric and electronic characteristic of the terminal groups that belonging the OP = [CH2OCH2] central unit of the ether, and on the hydrogen bonding

    Technological properties and temperature response of interspecific Saccharomyces hybrids

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    Hybrids obtained by crossing cryotolerant and non-cryotolerant strains of Saccharomyces were studied. The hybrids, all sterile, are more vigorous and competitive than their parents over a wide range of temperatures. They develop well both at low temperatures (6°C) and at high temperatures (36°C) and have an optimum temperature range of 27–33°C. Minor fermentation compounds are always produced in medium quantities (while the parent are highly differentiated in this regard): this is true of glycerol, succinic acid, acetic acid and 2-phenylethanol. The hybrids are able to synthesise malic acid but to a lesser extent than their cryotolerant parents. The results regarding cryotolerant and non-cryotolerant parents and their respective hybrids were processed using a one-way analysis of variance and exhibited significant differences. The hybrids are of great enological interest both for their characteristics of competitiveness and stability and for their fermentation product

    A threepenny Hogarth : Brecht, Benjamin, and a friendship, with Hogarthian traces between Weimar and exile

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    Bertold Brecht’s references to William Hogarth are not very numerous; moreover, much was disseminated or lost during Brecht’s years of instability and exile. Nevertheless, the British artist would seem to have long been on the dramatist’s mind. The hypothesis that Hogarth was already part of Brecht’s imaginary in the re- elaboration and historicizing of the Beggar’s Opera is supported by a scholar and writer who shared Brecht’s path for some years: Walter Benjamin, one of the first and also one of the most perceptive critics of Brecht’s theatre. Brecht and Benjamin were in Paris together, when the playwright was working at the staging of the Opéra de Quat’Sous at the Théatre de l’Étoile in September 1937. Benjamin attended some of the rehearsals and wrote a short essay under the title of the work’s French name. The essay is of great interest for its evident connection with the production of the Opéra, and it makes its reference to Hogarth explicit. This illuminates Brecht’s intentions as a playwright and as a director, and more generally, some aspects of the final aesthetic result of the show, especially those related to its visual presentation, its epic style and its ideological and cultural significance

    Does the Timing of Food Stamp Distribution Matter? A Panel-Data Analysis of Monthly Purchasing Patterns of US Households.

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    In this paper, we examine the relationship between the timing of food stamp receipt and purchasing patterns. We combine data on state distribution dates of food stamps with scanner data on a panel of households purchases tracked between 2004 and 2011. We find that purchases of a variety of goods are meaningfully higher on receipt days, consistent with previous work that suggests that recipients are very impatient. Additionally, and importantly, estimates indicate that when food stamp receipt days fall on weekends, total monthly purchases within the same households are affected. In particular, monthly purchases of beer are higher when food stamps are distributed on a weekend rather than in months where benefits are distributed on weekdays. For these households, total beer purchases are between 4 and 5% higher in those months. Among households ineligible for food stamps, no effect is identified. These results demonstrate that the ‘day-of-the-week’ of SNAP treatment may have important impacts on household purchase habits
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