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3 He was originally used for this type of image, but recently there has been a shift towards to 129 Xe due to its availability and cheaper price. [20] Hyperpolarized 3 He has historically produced superior images because it is easier to hyperpolarize, but current technology has improved gas polarization of 129 Xe to the point where the image ...
The 1 euro coin (€1) is a euro coin with a value of one euro. It is made of two alloys: the inner part of cupronickel, the outer part of nickel brass. All coins have a common reverse side and country-specific national sides. The coin has been used since 2002, with the present common side design dating from 2007.
German euro coins have three separate designs for the three series of coins. The 1-cent, 2-cent and 5-cent coins were designed by Rolf Lederbogen [ de ] , the design for the 10-cent, 20-cent and 50-cent coins were designed by Reinhard Heinsdorff [ de ] and the 1- and 2-euro coins were done by Heinz Hoyer [ de ] and Sneschana Russewa-Hoyer .
This is a list of commemorative coins issued by the Federal Republic of Germany. For regular coins , see Deutsche Mark and German euro coins . Those prior to 2002 were denominated in Deutsche Marks; subsequent ones have been denominated in euros .
5-sol French coin and silver coins – New France; Spanish-American coins- unofficial; Playing cards – 1685-1760s, sometimes officially New France; 15 and a 30-deniers coin known as the mousquetaire – early 17th century New France; Gold Louis – 1720 New France; Sol and Double Sol 1738–1764; English coins early 19th century
All de facto present currencies in Europe, and an incomplete list of the preceding currency, are listed here. In Europe, the most commonly used currency is the euro (used by 26 countries); any country entering the European Union (EU) is expected to join the eurozone [ 1 ] when they meet the five convergence criteria. [ 2 ]
Xenon isotope geochemistry uses the abundance of xenon (Xe) isotopes and total xenon to investigate how Xe has been generated, transported, fractionated, and distributed in planetary systems. Xe has nine stable or very long-lived isotopes. Radiogenic 129 Xe and fissiogenic 131,132,134,136 Xe isotopes are of special interest in geochemical ...
Germany: German Euro coins are minted at 5 locations in Germany A, D, F, G, J: Letters: A for Berlin, D for Munich, F for Stuttgart, G for Karlsruhe, J for Hamburg, while B, C, E and H used to be mint locations that had been closed prior to the introduction of the euro. Greece (2002) Madrid, Spain Pessac, France Vantaa, Finland Athens E (20c),