Richard Kirwan
Richard Kirwan
1733-1812
Irish chemist and mineralogist best known for his disagreement with James Hutton over the chemical composition of rocks and his support of phlogiston theory in Essay on Phlogiston (1787). Criticisms by Antoine Lavoisier and other caused Kirwin to reject phlogiston theory in 1791. He won the Royal Society's Copley Medal in 1780 for his work on chemical affinity, and his Elements of Mineralogy (1784) was one of the first systematic works on the subject in English.
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• symb. the chemical element lutetium. , Lu • symb. the chemical element lutetium. • symb. the chemical element strontium. , Sr • symb. the chemical element strontium.
sr • abbr. steradian(s).
sr Maths., symbol for steradian Mg , MG • abbr. ∎ machine gun. ∎ hist. Morris Garages.
mg • symb. the chemical element magnesium. mg • abbr. milligram(s): 100 mg acetaminophen.
mg • symb… • symb. the chemical element neptunium. , Np • symb. the chemical element neptunium.
NP • abbr. notary public.
NP, NP-complete See P=NP question.
np neap (tides)
• Printing new paragraph
• ne… Aleksandr Mikhailovich Butlerov , Butlerov, Aleksandr Mikhailovich
Butlerov, Aleksandr Mikhailovich
(b. Chistopol, Kazanskaya [now Tatarskaya, A.S.S.R.], Russia, 6 September 1828; d.a… Groundwater Facies , groundwater facies A groundwater of particular character and chemistry. The concept of hydrochemical facies is based on the assumption that the chemi…
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Richard Kirwan