Suchergebnisse
Suchergebnisse:
Vor 7 Stunden · Academic Confucius Institute at the Georg-August-Universität Göttingen. Start; Members. About us; Partner universities; Library; Activities. Upcoming AKI-Activities; More Activities ; Our guests; Past Activities; Special events and conf ...
Vor 7 Stunden · 1923 - Roscoe Dickinson and Albert Raymond, and independently, H.J. Gonell and Hermann Mark, first showed that an organic molecule, specifically hexamethylenetetramine, could be characterized by x-ray crystallography. [64] [65] 1923 - William H. Bragg and Reginald E. Gibbs elucidated the structure of quartz.
