Ueber Trinitro-Naphtaline

Hippokrates Ueber die Krankheiten III

irrelevant. Chemistry and the relations between science, technology, and industry are well surveyed by Crosland and Cardwell respectively. Forbes's essay on mathematical cosmography is not a comprehensive account but the story (albeit interesting) of a few German cartographers. Compared with other recent collections of essays in the history of science, this volume parades no party line: witness...

Ueber Das Verschwinden Der Θ-functionen

Ueber Die Fortpflanzung Ebener Luftwellen Von Endlicher Schwingungsweite

[Aus dem achten Bande der Abhandlungen der Königlichen Gesellschaft der Wissenschaften zu Göttingen. 1860.]

Ueber Die Fläche Vom Kleinsten Inhalt Bei Gegebener Begrenzung

1,3,5-Trinitro-2,4-bis­(2-phenyl­ethen­yl)benzene

In the title compound, C(22)H(15)N(3)O(6), the central benzene ring and one of the phenyl rings are essentially parallel to each other, making a dihedral angle of 1.35 (16)°. The dihedral angle between the two phenyl rings is 83.56 (19)°. Intra-molecular C-H⋯N and C-H⋯O hydrogen bonds occur. In the crystal, mol-ecules are linked through C-H⋯O hydrogen bonds. Furthermore, offset face-to-face π-π...