983 resultados para cathedral chapter


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"Rules of religious architecture were a secret science in the middle ages, just as they were in classic times ... Through this secrecy, the rules became forgotten ... It is this forgotten science which we have discovered, and which we develop in this work."--p. xxii.

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Vaccines to prevent infection with high-risk human papillomaviruses (HPV) will help protect women against cervical cancer, and some are likely to be available within the next year. One vaccine, a quadrivalent vaccine against HPV types 6, 11, 16 and 18 and known as Garadsil ©(Merck &Co., Inc), was approved by the Federal Drug Administration (FDA) for the prevention of cervical cancer, cervical cancer precursors and vulval and vaginal cancer precursors associated with HPV 16 and 18 in June 2006. In addition, the vaccine has been approved for the prevention of genital warts and low grade cervical lesions e.g. cervical intraepithelial neoplasia1. The main vaccines components are recombinant viral capsid proteins assembled into virus-like particles and alum-based adjuvants. If given before HPV infection, the vaccines, which induce HPV type-specific, virus-neutralizing antibodies, have proven safe and highly effective at preventing HPV infection and its clinical consequences, including high-grade cervical lesions. Their use should not immediately alter existing screening programs for cervical cancer, however. Because they incorporate only the 2 HPV types most commonly associated with cervical cancer (HPV-16 and HPV-18), they can only prevent about 70% of cervical cancers. Vaccines to treat existing HPV infection are under development but are unlikely to become clinically available in the near future.

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Australia's National Suicide Prevention Strategy (NSPS) is about to move into a new funding phase. In this context this paper considers the emphasis of the NSPS since its inception in 1999. Certain high-risk groups (particularly people with mental illness and people who have self-harmed) have been relatively neglected, and some promising approaches (particularly selective and indicated interventions) have been under-emphasised. This balance should be re-dressed and the opportunity should be taken to build the evidence-base regarding suicide prevention. Such steps have the potential to maximise the impact of suicide prevention activities in Australia.

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This note reports the results of a survey of firms operating in Britain concerning the impact on their costs and operations of the Social Action Programme. We find that the realised and anticipated adverse impacts of the legislation are rather limited, although both do appear to be greater for firms which are relatively large, skill intensive, and which have a substantial amount of trade with other EU countries. In particular, the survey results provide little evidence to suggest that the imposition of a minimum wage of £3.50 per hour would have a substantial adverse impact on employment. Evidence does, however, suggest that firms which pay relatively low wages are likely to be affected more than others by the legislation.

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The chemistry used in key bond-forming steps to prepare nucleobases with designed patterns of hydrogen bonding is surveyed. Incorporation of the nucleobases into DNA and RNA oligomers is achieved either chemically using building blocks such as nucleoside phosphoramidites or enzymatically using nucleotide triphosphates. By varying the hydrogen bonding pattern within nucleobases, and by incorporating additional substituents, new structures have been designed that "reach over" so that contacts with both strands in targeted duplex DNA can be made in antigene strategies to control gene expression. Various new base-pairing systems have been evaluated that expand the genetic alphabet beyond Watson-Crick base pairs A.T and G.C. For example, benzo-homologated analogs of the natural DNA bases represent a new genetic set of orthogonal, size-expanded derivatives that have been shown to encode amino acids of a protein in a living organism.

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Experimental researches of one of the eldest bells («Mazepa»-see Appendix1) in Ukraine, are considered in the article. The spectra and spectra- time analysis of bell ringing is embodied, main frequencies of oscillation and musical intervals of sounding are determined. Comparative description of bell sounding with the known bells of Russia and Bulgaria is given.

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General note: Title and date provided by Bettye Lane.