منابع مشابه
Suitability of butyl rubber stoppers for closing anaerobic roll culture tubes.
Stringently anaerobic bacteria have been successfully cultured in rubber-stoppered roll tubes. Stoppers of certain types of rubber are so permeable to oxygen that they are unsuitable (Hungate, J. Bacteriol. 86:848, 1963). Butyl rubber is less permeable to gases than are many other types. The permeabilities of butyl stoppers and a common laboratory type to gases concerned in anaerobic culture wo...
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متن کاملButyl rubber stoppers increase the shelf life of prereduced, anaerobically sterilized media.
Butyl rubber stoppers as compared with neoprene or black rubber stoppers significantly increased the shelf life of prereduced, anaerobically sterilized media for growth of obligately anaerobic bacteria.
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The reduced canonical form of a loopfree game G is the simplest game infinitesimally close to G. Reduced canonical forms were introduced by Calistrate, and Grossman and Siegel provided an alternate proof of their existence. In this paper, we show that the Grossman–Siegel construction generalizes to find reduced canonical forms of certain loopy games.
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ژورنال
عنوان ژورنال: American Journal of Public Health and the Nations Health
سال: 1935
ISSN: 0002-9572
DOI: 10.2105/ajph.25.8.951