Results 61 to 70 of about 25,000 (200)
Unterwasser‐Pumpspeicherkraftwerke im Tagebauloch, Teil 2: Ideale Kurzzeit‐Stromspeicher
Die deutsche Energiewende setzt aus Effizienzgründen auf eine weitgehende Elektrifizierung der gesamten Energiewirtschaft. Zur neuen Primärenergie wird elektrischer Strom mit den Hauptpfeilern Photovoltaik und Windenergie. Diese Stromerzeugung folgt jedoch starr dem aktuellen Dargebot an regenerativer Energie.
Gerhard Luther +3 more
wiley +1 more source
Abstract Several species of Lepidoptera with caterpillars bearing urticating hairs are increasing their range in metropolitan France from year to year, such as the pine processionary (Thaumetopoea pityocampa Denis et Schiffermüller 1775) whose presence was historically limited to the south of France, and which is gradually being observed in the north ...
Nicolas Desneux +105 more
wiley +1 more source
Estudo acerca da representação da figura do Diabo na obra "O cavaleiro, a Morte e o Diabo", 1513, de Albrecht Dürer. Nesse trabalho expomos uma abordagem que envolve estruturas religiosas e a ascensão do Cristianismo, expressão religiosa que atinge ...
Weeslem Costa de Lima +1 more
doaj
Abstract This article explores how European travellers to Africa perceived African masculinity, the male body and sexuality during the period of 1450–1730. It argues that their observations helped Europeans construct early notions of racial difference at a time when skin colour was not the most important marker of difference classifying people.
Sergio Lussana
wiley +1 more source
Counter‐Example to Diaby’s et al. Linear Programming Solution to the Traveling Salesman Problem
This article presents a method of constructing counter‐examples and a complete counter‐example to the linear programming model alleged to be the solution to the traveling salesman problem. The counter‐example is checked against the model proposed by Diaby et al. However, it applies to all similar formulations of the TSP problem.
Radosław Hofman +1 more
wiley +1 more source
Un «Re di fiori» per Nerone : modelli desunti dalle stampe nelle botteghe sardo-catalane (1488-1518) [PDF]
In epoca tardomedievale un modello artistico, inteso come immagine o forma esemplare da imitare e riprodurre, nasceva grazie all'azione innovatrice degli artisti capaci di trasferire in immagini i linguaggi, le suggestioni, i racconti generati dalle ...
Pusceddu, Enrico
core +3 more sources
π‐Komplexe aus Nicht‐Klassischen Diboriranen: Side‐on vs. End‐on Carbonylierende Ringerweiterung
Wir berichten über erste π‐Komplexe, abgeleitet von nicht‐klassischen Diboriranen (dreigliedrige aromatische B2C‐Ringe) und deren carbonylative Ringerweiterung zu vier‐ und fünfgliedrigen cyclischen Liganden. Das H‐verbrückte Diboriran (R=2,3,5,6‐Tetramethylphenyl; R′=H) reagiert zunächst mit Fe2(CO)9 zu einem allylischen π‐Komplex, der unter side‐on ...
Philipp Grewelinger +4 more
wiley +1 more source
A comparação entre as artes possibilita figurar o tempo como elemento comum entre a gravura renascentista de Dürer, a escultura romana de Laocoonte e o conto de Guimarães Rosa.
Cláudio Soares Braga Furtado
doaj +3 more sources
Impersonating Dürer: German Experience of the Russian Silver Age Artist V. V. Vladimirov
The author examines two graphic works by Vassily Vladimirov (1880–1931) created during his studies in Munich between 1905 and 1906, that imitate self-portraits of the German Renaissance master Albrecht Dürer (one of the works is from the collection of ...
Elizaveta Viktorovna Yuzhakova
doaj +1 more source

