منابع مشابه
Fullerenes and coordination polyhedra versus half-cube embeddings
A fullerene F, is a 3-regular (or cubic) polyhedral carbon molecule for which the n vertices the carbons atoms are arranged in 12 pentagons and (n/210) hexagons. Only a finite number of fullerenes are expected to be, up to scale, isometrically embeddable into a hypercube. Looking for the list of such fullerenes, we first check the embeddability of all fullerenes F, for n < 60 and of all prefera...
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The cupola is a furnace used for melting steel scrap, cast iron scrap, and ferroalloys to produce cast iron. Its main energy source is coal coke. It is one of the oldest methods of producing cast iron, and it remains the dominate method because of its simplicity and low fuel cost. Cupolas range in size from 18 inches to 13 feet in diameter, and can produce up to 100 tons per hour of cast iron. ...
متن کاملMeasurement of the fusion probability, PCN, for hot fusion reactions
Background: The cross section for forming a heavy evaporation residue in fusion reactions depends on the capture cross section, the fusion probability, PCN, i.e., the probability that the projectile-target system will evolve inside the fission saddle point to form a completely fused system rather than reseparating (quasifission), and the survival of the completely fused system against fission. ...
متن کاملStudy of fusion reactions forming Cf nuclei
The formation of a compound nucleus in different projectile and target combinations is a powerful method for investigating the fusion process. Recently, the dominance of quasi-fission over fusion-fission has been inferred for S+Pb in comparison to S+Pb; both reactions lead to the compound nucleus Cf. The mass and angle distributions of the fission fragments from these reactions were studied in ...
متن کاملReliable Performance Characterization of Mediated Photocatalytic Water-Splitting Half Reactions.
Photocatalytic approaches using two sets of semiconductor particles and a pair of redox-shuttle mediators are considered as a safe and economic solution for solar water splitting. Here, accurate experimental characterization techniques for photocatalytic half reactions are reported, investigating the gas as well as the liquid products. The methods are exemplified utilizing photocatalytic titani...
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ژورنال
عنوان ژورنال: St. Petersburg Polytechnical University Journal: Physics and Mathematics
سال: 2016
ISSN: 2405-7223
DOI: 10.1016/j.spjpm.2016.07.002