mercury contact
81Electrochemistry — is a branch of chemistry that studies chemical reactions which take place in a solution at the interface of an electron conductor (a metal or a semiconductor) and an ionic conductor (the electrolyte), and which involve electron transfer between… …
82Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …
84Caesium — xenon ← caesium → barium Rb ↑ Cs ↓ Fr …
85Alexander Frumkin — Alexander Naumovich Frumkin (Александр Наумович Фрумкин) (October 24, 1895 ndash; May 27, 1976), Russian/Soviet electrochemist, member of the Russian Academy of Sciences since 1932, founder of the Russian Journal of Electrochemistry… …
86Restriction of Hazardous Substances Directive — European Union directive: Directive 2002/95/EC Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment Made by Council Parliament …
87History of electrochemistry — Electrochemistry, a branch of chemistry, went through several changes during its evolution from early principles related to magnets in the early 16th and 17th centuries, to complex theories involving conductivity, electrical charge and… …
88Gainsbourg reprises — Reprises des chansons de Serge Gainsbourg Article détaillé : Liste des chansons de Serge Gainsbourg. Les reprises des chansons de Serge Gainsbourg sont extrêmement nombreuses : on recense plus de mille interprétations différentes depuis …
89Programme Apollo — Pour les articles homonymes, voir Apollo. Premiers pas sur la Lune de Buzz Aldrin le 20 juillet 1969 lors de la mission Apollo 11 avec sa combinaison spatiale A7L …
90Reprises des chansons de Serge Gainsbourg — Article détaillé : Liste des chansons de Serge Gainsbourg. Les reprises des chansons de Serge Gainsbourg sont extrêmement nombreuses : on recense plus de mille interprétations différentes depuis 1958. Cette page en dresse une liste… …
