منابع مشابه
The Physiology of Echinus Esculentus Spermatozoa
INTRODUCTION Ripe sea-urchin spermatozoa are motionless in undiluted semen and intensely active when shed or artificially diluted. This activity is of short duration, presumably because the amount of energy-producing material within the spermatozoon is small, and because in pure sea water all of the endogenous substrate may not be available for combustion (Gray, 1928a, b, 1931). If semen is dil...
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An overview of general phenomenology and proposed physical mechanisms of large scale electrical discharges termed ‘blue jets’ and ‘gigantic jets’ observed at high altitude in the Earth’s atmosphere above thunderstorms is presented. The primary emphasis is placed on summarizing available experimental data on the observed morphological features of upward jet discharges and on the discussion of re...
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Probabilistic model checking – the verification of models incorporating random phenomena – has enjoyed a rapid increase of interest. Thanks to the availability of mature tool support and efficient verification algorithms, probabilistic model checking has been successfully applied to case studies from various areas, such as randomized (distributed) algorithms, planning and AI, security, hardware...
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With the advent of the Internet it is now possible to collect hundreds of millions of images. These images come with varying degrees of label information. “Clean labels” can be manually obtained on a small fraction, “noisy labels” may be extracted automatically from surrounding text, while for most images there are no labels at all. Semi-supervised learning is a principled framework for combini...
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ژورنال
عنوان ژورنال: Annals and Magazine of Natural History
سال: 1838
ISSN: 0374-5481
DOI: 10.1080/00222933809512334