1,265 research outputs found

    Modelling fuel consumption in kerbside source segregated food waste collection: separate collection and co-collection

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    Source separated food waste is a valuable feedstock for renewable energy production through anaerobic digestion, and a variety of collection schemes for this material have recently been introduced. The aim of this study was to identify options that maximize collection efficiency and reduce fuel consumption as part of the overall energy balance. A mechanistic model was developed to calculate the fuel consumption of kerbside collection of source segregated food waste, co-mingled dry recyclables and residual waste. A hypothetical city of 20,000 households was considered and nine scenarios were tested with different combinations of collection frequencies, vehicle types and waste types. The results showed that the potential fuel savings from weekly and fortnightly co-collection of household waste range from 7.4% to 22.4% and 1.8% to 26.6%, respectively, when compared to separate collection. A compartmentalized vehicle split 30:70 always performed better than one with two compartments of equal size. Weekly food waste collection with alternate weekly collection of the recyclables and residual waste by two-compartment collection vehicles was the best option to reduce the overall fuel consumption

    Artysta nowoczesny jako T.W.

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    The author analyses archival materials from IPN (Instytut Pamięci Narodowej – The Institute of National Remembrance) concerning a painter nicknamed ‘Tadeusz’. In 1973–1979, ‘Tadeusz’ was active as secret collaborator (t.w. – ”tajny współpracownik”) of SB (Służba Bezpieczeństwa – Interior Ministry Security Service). IPN documents contribute to the mapping of Polish art of the 1970s only to a limited extent. Nevertheless, they can form a basis for posing questions on artists’ collaborations with SB. The author claims that the acceptance of collaboration with SB was grounded in Tadeusz’s understanding of art based on the Enlightenment concept of modern art. He argues with a commonly accepted view that experimental art was persecuted in the Polish People’s Republic in the 1960s and the 1970s, and that the communist government showed any particular interest in fine art. In the annex, the author provides a full list of names found in Tadeusz’s files

    [T.W Brown read-in with children and other black women authors]

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    Video footage from The Black Academy of Arts and Letters recorded during a library event with author T.W. Brown in February of 1989. The footage shows children seated in a library listening as she reads from a book in her hands. The event includes two other black women authors

    Do You Really Have to See the Clasps on My Partial?

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    Esthetic Designs of Removable Partial Dentures. C.H. Chu and T.W. Chow. General Dentistry 2003; 51: 322–324. </jats:p

    Co-Create Resilience: Integrating planners, designers and engineers for adapting to flood risk in Taipei

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    Architecture and The Built EnvironmentUrbanis

    Plantagenets tragicall story [electronic resource] : or, The death of King Edward the Fourth: with the unnaturall voyage of Richard the Third, through the Red Sea of his nephews innocent bloud, to his usurped crowne. Metaphrased by T.W. Gent.

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    T.W. = Thomas Wincoll. Sometimes attributed to Thomas Weaver.In verse.With an errata slip.The portrait of the author is signed: W.M. fecit., i.e. William Marshall.Annotation on Thomason copy: "Nou: 17".Reproduction of the original in the British Library.Wing (2nd ed.)ThomasonElectronic reproduction

    T.W. Adorno e a psicologia social T.W. Adorno and social psychology

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    Neste ensaio, ressalta-se a importância da disciplina Psicologia Social na obra de T. W. Adorno e a concepção que formula acerca dessa disciplina. Esse autor defende que há uma nova forma de configuração dos indivíduos, expressada por atitudes e comportamentos individuais padronizados e por um ego frágil, facilmente cooptado por movimentos sociais totalitários. Tais indivíduos surgem em uma sociedade caracterizada por uma forma de dominação calcada na racionalidade administrativa e tecnológica. Para esse autor, a Psicologia Social deveria estudar esse objeto para que, com o esclarecimento produzido e difundido, os indivíduos possam resistir à adesão cega a movimentos sociais irracionais, tal como o fascismo, insistindo que a determinação desses movimentos não é individual, mas social.In this assay, the importance of Social Psychology discipline in the T.W. Adorno's work and the specific conception that he formulates about it are pointed out. He defends that there is a new way of individuals' configuration, expressed by standardized attitudes and their own behaviors, such as a fragile ego, which is easily co-opted by totalitarian social movements. Such individuals appear in a society characterized by a form of domination based on administrative and technological rationality. For that author, Social Psychology would have to study this issue so that, with the enlightenment achieved and diffused, the individuals are able to resist to the blind adhesion in irrational social movements, such as the fascism. Adorno empathized that the determination of these movements is not individual, but social

    General analysis of type I second-harmonic generation with elliptical Gaussian beams

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    One can enhance second-harmonic generation in angle-tuned crystals by focusing the fundamental to an elliptical waist in the crystal. We present a general analysis for type I phase-matched uniaxial and biaxial crystals that will find particular application in the generation of harmonics from diode lasers
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