Popcorn Polymerization.
نویسندگان
چکیده
منابع مشابه
The Mathematics of Popcorn
A kernel of popping corn consists of a hard outer shell called the pericarp which is impermeable to moisture and a dense center filled with starch, water and some oil[8]. As the kernel is heated, internal pressure rises to approximately 135 psi, at which point the pericarp bursts. The steam and starch expands to a foam which rapidly cools forming the popcorn. Variations in the strength of the p...
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Popcorn bursts open, jumps and emits a 'pop' sound in some hundredths of a second. The physical origin of these three observations remains unclear in the literature. We show that the critical temperature 180°C at which almost all of popcorn pops is consistent with an elementary pressure vessel scenario. We observe that popcorn jumps with a 'leg' of starch which is compressed on the ground. As a...
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Cytological analysis of microsporogenesis in 72 popcorn plants, comprising nine from the original population (CMS-43, S(0)) and 63 from seven cycles of self-fertilization (S(1) to S(7)), one plant of S(0) generation (plant 2) was identified with B chromosomes. The number of B chromosomes varied from two to three in the same anther. The pattern of chromosome pairing and meiotic behavior of Bs we...
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ژورنال
عنوان ژورنال: Kobunshi
سال: 1964
ISSN: 0454-1138,2185-9825
DOI: 10.1295/kobunshi.13.523