منابع مشابه
An epidemic of gastro-enteritis in West Lothian.
This article describes an epidemic of gastro-enteritis due to Salmonella typhimurium in a semi-rural practice. Methods of investigation and control of the outbreak are outlined, clinical features are described, and management of 97 patients discussed. Attention is drawn to the prolonged carrier state which may occur, and to the possible hazards of antibiotic therapy.
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The paper surveys existing theory of e-commerce business models and associated conceptual instruments. It employs three original case studies of SMEs using e-commerce to demonstrate the dynamic nature of e-commerce business models for networked SMEs. The idea of evolutionary business planning based upon Molina’s sociotechnical constituency approach and the diamond of alignment is
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With over 12,000 species recognized worldwide (M. R. Crosby et al. 1999), the Bryophyta, or mosses, are the most speciose of the three phyla of bryophytes. The other two phyla are Marchantiophyta or liverworts and Anthocerotophyta or hornworts. The term “bryophytes” is a general, inclusive term for these three groups though they are only superficially related. Mosses are widely distributed from...
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The aim of the present study is to find out empirically whether the remarkable increase in collaboration in recent decades has made researchers more productive or not. As an example I will analyse (with bibliometrical methods) West German biomedical research in the eighties and the nineties of the twentieth century. The comparison of the two five-year periods 1980 – 84 and 1994 – 98 showed that...
متن کاملVC dimension of ellipsoids
We will establish that the vc dimension of the class of d-dimensional ellipsoids is (d +3d)/2, and that maximum likelihood estimate with N -component d-dimensional Gaussian mixture models induces a geometric class having vc dimension at least N(d + 3d)/2.
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ژورنال
عنوان ژورنال: Transactions of the Botanical Society of Edinburgh
سال: 1917
ISSN: 0374-6607
DOI: 10.1080/03746601709468473