نتایج جستجو برای: 392
تعداد نتایج: 3572 فیلتر نتایج به سال:
Stefan Uhl, Das Humpisquartier in Ravensburg. Städtisches Wohnen Oberschwaben dargestellt am Beispiel des Humpisquartiers und der Gebäude Marktstraße 16, 18 Burgstraße I Ravensburg (Forschungen Berichte Bau- Kunstdenkmalpflege Baden-Württemberg, Bd. 8), Stuttgart (Theiss) 1999. 450 S. mit 392 teilw. farbigen Abb.
Given a set D = {d1, d2, . . .} of positive integers, one defines a distance graph with the set of integers Z as the vertex set and xy an edge iff |x−y| ∈ D. We approach distance graphs by using p-adic methods. This allows us to give general bounds on the chromatic number that depend on the divisibility properties of the numbers di. Furthermore, the chromatic number is determined for large clas...
The electronic desorption of CO and its readsorption on \aluminum (natural oxide film) was studied and found to be influenced by the adsorption of H2. A theoretical model was developed which fits the experimental data and reliably predicts the adsorption-desorption characteristics at low electron energies (100 300 eV). At higher energies the picture is complicated by the release of subsurface g...
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