15,533 research outputs found

    Mark Galli

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    Mark Galli, author and editor of Christianity Today, speaks on being blameless from Psalm 119:1

    Medaglia di rappresentanza conferita dal Presidente della Repubblica Italiana Giorgio Napolitano (Atto SCA/GN 5114-1 Segr. Gen. Pres. Rep.) per la mostra archeologica MACHINA. Tecnologica dell'antica Roma, presso il Museo della Civiltà Romana, 22 dic. 2009 – 4 apr. 2010, il cui catalogo è a cura di M. Galli - G. Pisani Sartorio, Machina. Tecnologia dell’antica Roma, Catalogo della Mostra Museo della Civiltà Romana, 22 dic. 2009 – 4 apr. 2010 (ISBN 978-88-6060-247-3), Roma 2009

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    L’iniziativa della mostra MACHINA, insignita da “medaglia di rappresentanza” è il frutto delle ricerche dei docenti, degli studenti triennali, magistrali, inoltre degli specializzandi e di dottori di ricerca che dal febbraio 2009 al dicembre 2009 hanno preso parte al laboratorio formativo "Machina. Tecnologia dell’antica Roma" organizzato e diretto dal prof. M. Galli, nell'ambito del corso in Scienze Archeologiche ex Facoltà di Lettere e Filosofia, Sapienza Università di Roma, con finanziamento della Fondazione Sapienza di 5000 euro. L'apporto dei docenti e studenti del corso di laurea in archeologia ha portato alla redazione del M. Galli - G. Pisani Sartorio, Machina. Tecnologia dell’antica Roma, Catalogo della Mostra Museo della Civiltà Romana, 22 dic. 2009 – 4 apr. 2010 (ISBN 978-88-6060-247-3), Roma 2009

    Bose-Fermi mixtures with pairing

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    I will review recent work by us on the properties of Bose-Fermi mixtures with a tunable pairing interaction between bosons and fermions. A many-body diagrammatic approach, able to describe the condensed phase of a Bose-Fermi mixture from weak to strong boson-fermion couplings, will be presented [1]. This approach will be validated by comparing it with previous [2] and new dedicated fixed-node diffusion Monte Carlo calculations. By using both methods, a universal behavior of the condensate fraction and bosonic momentum distribution with respect to the boson concentration is found in an extended range of boson-fermion couplings and concentrations. For vanishing boson density, the bosonic condensate fraction reduces to the quasiparticle weight Z of the Fermi polaron studied in the context of polarized Fermi gases, unifying in this way two apparently unrelated quantities. Finally, I will discuss an interesting effect occurring in the molecular limit of the boson- fermion coupling, where the condensation is completely suppressed [3]. This phenomenon is an indirect effect on bosons of the Pauli exclusion principle acting on fermions, and is the counterpart in BoseFermi mixtures of the so called “Sarma phase” discussed for polarized Fermi gases. [1] A. Guidini, G. Bertaina, D. Galli, and P. Pieri, arXiv:1412.2542. [2] G. Bertaina, E. Fratini, S. Giorgini, and P. Pieri, Phys. Rev. Lett. 110, 115303 (2013). [3] A. Guidini, G. Bertaina, E. Fratini, and P. Pieri, Phys. Rev. A 89, 023634 (2014)

    Correction: Differences between experimental and placebo arms in manual therapy trials: a methodological review (BMC Medical Research Methodology, (2022), 22, 1, (219), 10.1186/s12874-022-01704-8)

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    Following publication of the original article [1], the authors reported an error in the presentation of author names. The given name and family name were swapped. The correct author names are as follows: Giandomenico D’Alessandro, Nuria Ruffini, Alessandro Aquino, Matteo Galli, Mattia Innocenti, Marco Tramontano, Francesco Cerritelli. The author group has been updated above and the original article [1] has been corrected

    Seed production of barnyardgrass (Echinochloa crus-galli) in response to time of emergence in cotton and rice

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    The spread of herbicide resistance in barnyardgrass (Echinochloa crus-galli (L.) Beauv.) poses a serious threat to crop production in the southern United States. A thorough knowledge of the biology of barnyardgrass is fundamental for designing effective resistance-management programmes. In the present study, seed production of barnyardgrass in response to time of emergence was investigated in cotton and rice, respectively, in Fayetteville and Rohwer, Arkansas, over a 2-year period (2008–09). Barnyardgrass seed production was greater when seedlings emerged with the crop, but some seed production was observed even if seedlings emerged several weeks after crop emergence. Moreover, barnyardgrass seed production was highly variable across environments. When emerging with the crop (0 weeks after crop emergence (WAE)), barnyardgrass produced c. 35 500 and 16 500 seeds/plant in cotton, and c. 39 000 and 2900 seeds/plant in rice, in 2008 and 2009, respectively. Seed production was observed when seedlings emerged up to 5 WAE (2008) or 7 WAE (2009) in cotton and up to 5 WAE (2008, 2009) in rice; corresponding seed production was c. 2500 and 1500 seeds/plant in cotton, and c. 14 700 and 110 seeds/plant in rice, in 2008 and 2009, respectively. The results suggest that cultural approaches that delay the emergence of barnyardgrass or approaches that make the associated crop more competitive will be useful in integrated management programmes. In the context of herbicide resistance management, it may be valuable to prevent seed return to the seedbank, irrespective of cohorts. The findings are vital for parameterizing herbicide resistance simulation models for barnyardgrass

    Natural zeolites, par G. Gottardi et E. Galli, 1985

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    Cesbron Fabien. Natural zeolites, par G. Gottardi et E. Galli, 1985. In: Bulletin de Minéralogie, volume 109, 6, 1986. pp. 697-698

    Natural zeolites, par G. Gottardi et E. Galli, 1985

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    Cesbron Fabien. Natural zeolites, par G. Gottardi et E. Galli, 1985. In: Bulletin de Minéralogie, volume 109, 6, 1986. pp. 697-698
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