Общие вопросы

Список источников > Нехудожественная литература > Научная и техническая литература > Техника. Технические науки > Транспорт > Общие вопросы

Periodic graph (crystallography)

Автор: Jesse Russell
Год: 2013
Издание: Книга по Требованию
Страниц: 111
ISBN: 9785508434762
High Quality Content by WIKIPEDIA articles! In crystallography, a periodic graph or crystal net is a three dimensional periodic graph, i.e., a three-dimensional Euclidean graph whose vertices or nodes are points in three-dimensional Euclidean space, and whose edges (or bonds or spacers) are line segments connecting pairs of vertices, periodic in three linearly independent axial directions. There is usually an implicit assumption that the set of vertices are uniformly discrete, i.e. that there is a fixed minimum distance between any two vertices. The vertices may represent positions of atoms or complexes or clusters of atoms such as single-metal ions, molecular building blocks, or secondary building units, while each edge represents a chemical bond or a polymeric ligand. Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном сетевом ресурсе "Википедия" в частности. Собранная по частотным запросам указанной...
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