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общая лексика
(Radial Basis/Bias Functions) радиальные базисные функции, функции с радиальными смещениями
алгоритм обучения нейронной сети
(Report-by-Form) отчет по форме (БД)
общая лексика
R-Base File
файл СУБД R-Base
Rubidium fluoride (RbF) is the fluoride salt of rubidium. It is a cubic crystal with rock-salt structure.
There are several methods for synthesising rubidium fluoride. One involves reacting rubidium hydroxide with hydrofluoric acid:
Another method is to neutralize rubidium carbonate with hydrofluoric acid:
Another possible method is to react rubidium hydroxide with ammonium fluoride:
The least used method due to expense of rubidium metal is to react it directly with fluorine gas, as rubidium reacts violently with halogens: