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In the 19th and 20th centuries, [[Russia]] produced many notable [[List of Russian scientists|sc At the start of the 18th century the [[Reforms of Peter I of Russia|reforms of Peter the Great]] (founder of ...

...the Russian physical chemists Pavel Nikolaevich Pavlov (or ''Pawlow'' (in German), 1872–1953) and [[Peter P. von Weymarn|Peter Petrovich von Weymarn]] (1879 ...ry'' (London, England: Macmillan and Co., 1888).</ref> Early in the 20th century, investigators derived precursors of the Gibbs–Thomson equation.<ref>See: ...

...actions. The system became the standard of France and Europe within half a century. Other measures with unity ratios<ref group="Note">ratios of 1 between mag ...ts for length, mass and time. Advances in [[electromagnetism]] in the 19th century necessitated additional units to be defined, and multiple incompatible syst ...

...|Columba]] is a small, faint [[constellation]] named in the late sixteenth century. Its name is [[Latin]] for [[dove]]. It is located just south of [[Canis Ma ...aint constellation in the [[southern sky]], first defined in the late 16th century. Its name means "no feet" in Greek, and it represents a [[bird-of-paradise] ...

...of matter occurs between the liquid and plasma states,<ref>This early 20th century discussion infers what is regarded as the plasma state. See page 137 of Ame The word ''gas'' was first used by the early 17th-century [[Flemish people|Flemish]] chemist [[Jan Baptist van Helmont]].<ref>{{Cite ...

...000inte/page/1103 |title=Thermal Spray: Meeting the Challenges of the 21st Century : Proceedings of the 15th International Thermal Spray Conference, 25-29 May ...215 |access-date=2012-08-02}}</ref> and they were used from the early 20th century as decoupling capacitors in telecommunications (telephony). ...

...ysics)|period]] of [[Cepheid]] [[variable stars]] at the beginning of 20th century. ...chemistry: their changing roles from alchemical times to the mid-twentieth century|last=F.|first=Rayner-Canham, Marelene|date=1998|publisher=American Chemical ...

...ved to Boreham Road, Warminster, where houses were built in the early 19th century.{{R|"Warminster and Westbury Journal 11 July 1903"|"Wiltshire Times 9 Augus ...ere attending the County School.{{R|"Wiltshire Times 28 November 1914"}} [[German invasion of Belgium (1914)|Germany had invaded Belgium]] on 4{{Nbsp}}August ...