978 resultados para Economical viability
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Questions of "viability" evaluation of innovation projects are considered in this article. As a method of evaluation Hidden Markov Models are used. Problem of determining model parameters, which reproduce test data with highest accuracy are solving. For training the model statistical data on the implementation of innovative projects are used. Baum-Welch algorithm is used as a training algorithm.
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Antarctic ecosystems are at risk from the introduction of invasive species. The first step in the process of invasion is the transportation of alien species to Antarctic in a viable state. However, the effect of long-distance human-mediated dispersal, over different time-scales, on propagule viability is not well known. We assessed the viability of Poa trivialis seeds transported to Antarctica from the UK, South Africa and Australia by ship or by ship and aircraft. Following transportation to the Antarctic Treaty area, no reduction in seed viability was found, despite journey times lasting up to 284 days and seeds experiencing temperatures as low as -1.5°C. This work confirms that human-mediated transport may overcome the dispersal barrier for some propagules, and highlights the need for effective pre-departure biosecurity measures.
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"References" at the end of some of the chapters.
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Work performed at the University of Rochester.
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Mode of access: Internet.
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"Bills of fare": p. 63-90; "Table of income and wages": p. 426; "Marketing tables": p. [427]-432.
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Includes sections on food preparation, cooking for the sick, and household hints; some recipes include wine or liquor as an ingredient. Sample recipes: Alamode beef, Cold slaw, Little plum cakes that will keep a year, Currant jelly.
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"Domestic wines and liquors": p. 226-236.
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Advertisements at beginning and end.
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Includes samples of menus; household hints; some recipes include wine or liquor as an ingredient. Sample recipes: Chicken cream soup, Eels a la tartare, Lemon brandy (for cakes and puddings), Spiced nutmeg melon.
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Cf. Bitting, K.G. Gastronomic bib., p. 357.
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Includes indexes.
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Electronic text and image data.
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Publisher's advertisement: 2 p. (at end).
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Vita.