837 resultados para crittografia, mixnet, EasyCrypt, game-based proofs,sequence of games, computation-aided proofs


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Globalisation has had a major impact on the engineering industry as pacific Rim countries undercut manufacturing costs and provide a more cost-effective location for many businesses. Engineering in Nortehrn Ireland has mostly declined owing to increased competition from these countries. Engineering companies are now forced to streamline their production processes and employ cost-reducing practices in order to meet customer demands at reduced prices. This article aims to analyse the effects of one such streamlining endeavour which was first introduced after World War II in Japan- 'lean manufacturing' . 'Lean manufacturing' aims to reduce all wasteful activities within the production process in order to improve productivity, while reducing manufacturing costs. The work-based project under consideration was concerned with the impact 'lean manufacturing' may have on health and safety performance and education within an engineering company. The focus of the project was to determine through work-based research, and quantitative analysis, the employee perception on health and safety: has it changed (either positively or negatively), as a consequence of implementing 'lean manufacturing'.

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We present a detailed analysis of the characteristics of electroconvection patterns in a homeotropic nematic liquid crystal under the influence of a variable magnetic field. An unambiguous observation of low frequency

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Background: Pea encodes eukaryotic translation initiation factor eIF4E (eIF4E(S)), which supports the multiplication of Pea seed-borne mosaic virus (PSbMV). In common with hosts for other potyviruses, some pea lines contain a recessive allele (sbm1) encoding a mutant eIF4E (eIF4E(R)) that fails to interact functionally with the PSbMV avirulence protein, VPg, giving genetic resistance to infection.

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Propionibacterium acnes is an anaerobic Gram-positive bacterium that forms part of the normal human cutaneous microbiota and is thought to play a central role in acne vulgaris, a chronic inflammatory disease of the pilosebaceous unit (I. Kurokawa et al., Exp. Dermatol. 18:821-832, 2009). Here we present the whole genome sequence of P. acnes type IB strain 6609, which was recovered from a skin sample from a woman with no recorded acne history and is thus considered a nonpathogenic strain (I. Nagy, Microbes Infect. 8:2195-2205, 2006).

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Propionibacterium acnes, a non-spore-forming, anaerobic Gram-positive bacterium, is most notably recognized for its association with acne vulgaris (I. Kurokawa et al., Exp. Dermatol. 18:821–832, 2009). We now present the draft genome sequence of an antibiotic-resistantP. acnesstrain, PRP-38, isolated from an acne patient in the United Kingdom and belonging to the novel type IC cluster. Copyright © 2012, American Society for Microbiology. All Rights Reserved.