... Online . ... 175th BIRTH ANNIVERSARY OF DMITRY MENDELEEV and Periodic Law - Lodestar in natural science from the Voice of Russia . Early comment on Mendeleev biographies by L.Graham in Russian and Soviet Science and Technology (History of Science Society Newsletter, 1989). ... Extract from the first Mendeleev's paper about the Periodic Law " The Relation between the Properties and Atomic Weights of the Elements ", Journal of the Russian Chemical Society , 1 , 60-77 (1869) [Engl. transl.] ...
... Inofficial Mathematical Chemistry page by Eugene V. Babaev Moscow State University, Russia . ... Section 2 recalls several concepts of the graph theory and topology of surfaces, necessary for further discussion, and Section 3 is the overview of the common types of molecular graphs and molecular surfaces used in chemistry. ... The objects are some specific molecules with bipartite graphs (which follow so-called "alternation rule", and the operation is a polar chemical reaction. ... Chemistry . ...