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Arsphenamine. The structure of arsphenamine has been proposed to be akin to azobenzene (A), but chemical studies published in 2005 suggest [1] that salvarsan is actually a mixture of the trimer (B) and the pentamer (C). Arsphenamine, also known as Salvarsan or compound 606, is an antibiotic drug that was introduced at the beginning of the 1910s ...
George Frost Kennan (February 16, 1904 – March 17, 2005) was an American diplomat and historian. He was best known as an advocate of a policy of containment of Soviet expansion during the Cold War. He lectured widely and wrote scholarly histories of the relations between the USSR and the United States. He was also one of the group of foreign ...
A common aspect of ambiguity is uncertainty. It is thus an attribute of any idea or statement whose intended meaning cannot be definitively resolved, according to a rule or process with a finite number of steps. (The prefix ambi - reflects the idea of "two", as in "two meanings"). The concept of ambiguity is generally contrasted with vagueness.
Bands of rebels range over the land. A unit of the army's finest is dispatched to restore the peace. Their commander is Vitellius, a veteran of unmatched ambition. Prefect Cato and Centurion Macro are amongst the Roman troops. Their mission is fraught with danger: on the one hand, feuding tribes, challenging terrain and an embittered populace.
The protests were sparked by a sudden increase in the prices of food and other everyday items. As a result of the riots, brutally put down by the Polish People's Army and the Citizen's Militia, at least 42 people were killed and more than 1,000 were wounded. Solidarity was an anti-communist trade union in a Warsaw Pact country. In the 1980s, it ...
PS3553.H358 R56 1989. Rimrunners is a science fiction novel by American writer C. J. Cherryh, set in her Alliance-Union universe, in which humanity has split into three major power blocs: Union, the Merchanter's Alliance and Earth. Chronologically, the book follows immediately after the author's Downbelow Station and is one of Cherryh's series ...
Maurice Marinot (born 20 March 1882 in Troyes, France, died 1960, Troyes) was a French artist. He was a painter considered a member of Les Fauves, and then a major artist in glass. Marinot's father was a bonnet maker. Maurice did poorly in school, but convinced his parents to send him to the École des Beaux-Arts in 1901 to train as a painter ...
Kazan phenomenon. The Kazan phenomenon (Russian: Казанский феномен, Kazanskiy fenomen) was a term used by journalists to describe the rise in juvenile street-gang activity in the city of Kazan in the RSFSR and later, the Russian Federation. From the early 1970s, Kazan had a particularly bad reputation for juvenile delinquency ...