985 resultados para Galileu, 1564-1642
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بسم الله الرحمن الرحيم الحمد لله الذي بعث محمد صلى الله عليه وسلم رحمة للعالمين ... :Incipit
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Bound with: al-Maqṣūd al-maḥmūd fī talkhīṣ al-wathāʼiq wa-al-ʻuqūd / ʻAlī ibn Yaḥyá al-Jazīrī.
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The dichotomies Weight/Lightness and Form/Idea formed the theory and the practice of Art, existing a correspondence between them. The weight exists thanks to the existence of a form that is made of matter; in the other hand, the lightness comes from the idea that is always present when the creation exists. This dichotomies were always interconnected during the centuries, and there are variations in relevancy of form and/or idea. In sculpture´s tradition, the physical weight was a essential reality, and the idea of sculpture, without the immaterial side was underlined to the form. During the centuries, new artistic approaches were born and re-born focused on the frailty, lightness and idea of the artistic object, fact that came to cancel the classic notion of work of art. The concept of image became the focus of the esthetical experience of the subject, which alone, tended to substantiate the artistic object itself. In the same way that lightness, when taken to the extreme, and despite the tridimensionality materiality of the object, begun to relate the art with the own action of the body, the gesture of the artist, rising both to the status of art
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A presente dissertação tem como objetivo analisar tematicamente a polémica de 1715/16 entre Leibniz e Clarke, não apenas, como é usual, no âmbito das conceções do espaço e do tempo, mas no conjunto dos seus temas metafísicos, teológicos, gnosiológicos e físicos. Na estruturação da dissertação, adquiriu um papel central o confronto dos autores em torno da noção de liberdade, cuja importância é evidente na utilização do princípio da razão suficiente e seus corolários, na distinção entre verdades de razão e verdades de facto, entre os diversos tipos de necessidade, nas conceções alternativas de espaço e de tempo, na alternativa entre átomos e mónadas, na questão dos limites do universo, na relação entre a alma e o corpo, nas teses relativas à providência divina, na forma como se concebe a relação de Deus com a sua máquina, na noção de milagre e nas próprias noções de força e de movimento, pelo menos no que respeita à sua relação com Deus, isto sem desprezar a abordagem direta da própria noção de liberdade. Com este enquadramento, pretende-se mostrar, através de um eloquente exemplo histórico, que as teorias científicas naturais se podem alicerçar em teorias metafísicas e que esses alicerces não têm que se esgotar, mesmo no seio da metafísica, nas questões estritamente cosmológicas, isto para lá de poderem existir influências nunca menosprezáveis de domínios não filosóficos, como é o caso da teologia dogmática. Apesar disto ser evidente na abordagem dos textos, existe uma sistemática menorização contemporânea desta determinação, como se fosse uma idiossincrasia da época ou uma deferência que a ciência tinha de ter numa época ainda obscurecida pela autoridade das igrejas e pela especulação filosófica. Esta abordagem pretende compreender todos os aspetos do pensamento expresso pelos autores na polémica, na sua integralidade, sem reservas de qualquer tipo.
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Healthy replacement heifers are one of the foundations of a healthy dairy herd. Farm management andrearing systems in Switzerland provide a wide variety of factors that could potentially be associated withintramammary infections (IMI) in early lactating dairy heifers. In this study, IMI with minor mastitispathogens such as coagulase-negative staphylococci (CNS), contagious pathogens, and environmentalmajor pathogens were identified. Fifty-four dairy farms were enrolled in the study. A questionnaire wasused to collect herd level data on housing, management and welfare of young stock during farm isitsand interviews with the farmers. Cow-level data such as breed, age at first calving, udder condition andswelling, and calving ease were also recorded. Data was also collected about young stock that spent aperiod of at least 3 months on an external rearing farm or on a seasonal alpine farm. At the quarterlevel, teat conditions such as teat lesions, teat dysfunction, presence of a papilloma and teat lengthwere recorded. Within 24 h after parturition, samples of colostral milk from 1564 quarters (391 heifers)were collected aseptically for bacterial culture. Positive bacteriological culture results were found in 49%of quarter samples. Potential risk factors for IMI were identified at the quarter, animal and herd levelusing multivariable and multilevel logistic regression analysis. At the herd level tie-stalls, and at cow-level the breed category “Brown cattle” were risk factors for IMI caused by contagious major pathogenssuch as Staphylococcus aureus (S. aureus). At the quarter-level, teat swelling and teat lesions were highlyassociated with IMI caused by environmental major pathogens. At the herd level heifer rearing at externalfarms was associated with less IMI caused by major environmental pathogens. Keeping pregnant heifersin a separate group was negatively associated with IMI caused by CNS. The odds of IMI with coagulase-negative staphylococci increased if weaning age was less than 4 months and if concentrates were fed tocalves younger than 2 weeks. This study identified herd, cow- and quarter-level risk factors that may beimportant for IMI prevention in the future.
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Colofón
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Vertical distributions of benthic denitrification and anammox rates within the sediment were estimated from slurry incubation experiments. Rates were used to calculate the contribution of anammox and denitrification to the total N-loss. Briefly, MUC sediment cores were sliced in 2 cm intervals and the sediment was diluted and incubated with degassed bottom water in a gas tight bag. After pre-incubating the bags for 2 h, 15N-labeled substrates were injected into the bags and the slurries were thoroughly mixed. Incubations were performed in the dark at in situ temperatures. The N2 isotope ratio (28N2, 29N2, and 30N2) was determined by gas chromatography-isotopic ratio mass spectrometry (VG Optima, Micromass) and calculated according to Kuypers et al. (2005) and Holtappels et al. (2011), respectively.Furthermore, total organic carbon and nitrogen concentrations were measured of core sediment layers corresponding to those used for rate measurements. Concentrations of organic carbon and nitrogen were determined by combustion/gas chromatography (Carlo Erba NA-1500 CNS analyzer) of dried sediment samples after acidification. The same sediment layer were also used to extract nucleic acids. The concentrations of the DNA in the samples were measured spectrophotometrically with a NanoDrop instrument (Thermo Fisher Scientific Inc.). The biomarker functional gene nirS, encoding the cd1-containing nitrite reductase, for both denitrifiers and marine anammox bacteria were quantified with real-time PCR, using the primers cd3aF/R3cd (5'-GTSAACGTSAAGGARACSGG-3' (Michotey et al., 2000)/5'-GASTTCGGRTGSGTCTTGA-3'; Throback et al., 2004) and Scnir372F/Scnir845R (5'-TGTAGCCAGCATTGTAGCGT-3'/5'-TCAAGCCAGACCCATTTGCT-3'; Lam et al., 2009).
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Sequel: Shakspeare and his friends.
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No. 1 in a volume lettered: Shakspeare novels.
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"Slips from Shakespeare's tree" (newspaper clipping) mounted on inside front cover.
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Illustrated t.-p.
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Mode of access: Internet.