ion activity

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• Ion Niculi — (January 25, 1887 ndash; July 31, 1979), Romanian communist politician, served as vice president of the Presidium of the Romanian People s Republic (1947 1948).Underground activistNiculi was born in Iaşi to a working class family. Early on he… …   Wikipedia

• Ion N. Petrovici — (b. August 19, 1929 in Ploieşti) is a Romanian and German neurologist.After studying at the Bucharest Faculty of Medicine, he received an MD degree from the University of Bucharest. He trained in neurology under Arthur Kreindler and Vlad… …   Wikipedia

• Activity (chemistry) — In chemical thermodynamics, activity (symbol a) is a measure of the “effective concentration” of a species in a mixture, meaning that the species chemical potential depends on the activity of a real solution in the same way that it would depend… …   Wikipedia

• Ion Creangă — Creangă redirects here. For other uses, see Creangă (surname). Ion Creangă Nică al lui Ştefan a Petrei Ion Torcălău Ioan Ştefănescu Born 1837 or 1839 Târgu Neamţ Died …   Wikipedia

• Ion selective electrode — An ion selective electrode (ISE), also known as a specific ion electrode (SIE), is a transducer (or sensor) that converts the activity of a specific ion dissolved in a solution into an electrical potential, which can be measured by a voltmeter or …   Wikipedia

• Ion Negoiţescu — Born August 10, 1921(1921 08 10) Cluj Died February 6, 1993(1993 02 06) (aged 71) Munich Pen name …   Wikipedia

• Activity coefficient — An activity coefficient [ [http://www.iupac.org/goldbook/A00116.pdf Gold Book definition] ] is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances. In an ideal mixture the… …   Wikipedia

• Ion channel — Not to be confused with: Ion Television or Ion implantation. Schematic diagram of an ion channel. 1 channel domains (typically four per channel), 2 outer vestibule, 3 selectivity filter, 4 diameter of selectivity filter, 5 phosphorylation site, 6 …   Wikipedia

• Ion Heliade Rădulescu — Infobox Writer name = Ion Heliade Rădulescu imagesize = 180px caption = Portrait of Heliade Rădulescu, by Mişu Popp pseudonym = Ion Heliade, Eliad birthdate = birth date|1802|1|6 birthplace = Târgovişte, Wallachia deathdate = death date and… …   Wikipedia

• Ion Mihalache — Mihalache redirects here. For other people of the same name, see Mihalache (disambiguation) Ion Mihalache (Romanian pronunciation: [iˈon mihaˈlake]; March 3, 1882 – March 1963) was a Romanian agrarian politician, the founder and leader of… …   Wikipedia

• Ion Gheorghe Maurer — Infobox Prime Minister name = Ion Gheorghe Maurer nationality =Romanian small caption = order =Prime Minister of Romania term start =March 21, 1961 term end =March 29, 1974 vicepresident = deputy = predecessor =Chivu Stoica successor =Manea… …   Wikipedia