65,650 research outputs found

    Strongly nonlinear convection in binary fluids: Minimal model for extended states using symmetry decomposed modes

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    Spatially extended stationary and traveling states in the strongly nonlinear regime of convection in layers of binary fluid mixtures heated from below are described by a few-mode-model. It is derived from the proper hydrodynamic balance equations including experimentally relevant boundary conditions with a non-standard Galerkin approximation that uses numerically obtained, symmetry decomposed modes. Properties of the model are elucidated and compared with full numerical solutions of the field equations.Comment: 16 pages, including 5 postscript figure

    Topical agents or dressings for pain in venous leg ulcers.

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    Venous leg ulcers affect up to 1% of people at some time in their lives and are often painful. The main treatments are compression bandages and dressings. Topical treatments to reduce pain during and between dressing changes are sometimes used

    The precursor to an industrial software metrics program

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    A common reason for why software metric programs dasiafailpsila is through lack of participant support and commitment. In this paper, we describe the results of a study which examined the knowledge that subjects had and the opinions they had formed of previous metrics initiatives in the same organization. The research was undertaken by one of the authors as a precursor to a planned metrics initiative in the same large, UK-based company. The study attempted to understand the likely issues that would have to be addressed by that planned metrics program. A key theme to emerge from the analysis was the importance of all participants being aware of the program objectives, and the purpose and use of the data being collected. As part of the analysis, the study also draws on the role that "timely" involvement plays within a metrics program and how that can influence its associated practicalities
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