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Summary
| Description |
English: These rare-earth oxides are used as tracers to determine which parts of a watershed are eroding. Clockwise from top center: praseodymium, cerium, lanthanum, neodymium, samarium, and gadolinium. |
| Source | http://www.ars.usda.gov/is/graphics/photos/jun05/d115-1.htm |
| Author | Peggy Greb, US department of agriculture |
Licensing
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This image is in the public domain because it contains materials that originally came from the Agricultural Research Service, the research agency of the United States Department of Agriculture.
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Original upload log
The original description page was here. All following user names refer to en.wikipedia.
- 2009-06-27 10:49 Materialscientist 640×416× (175375 bytes) {{Information |Description = These rare-earth oxides are used as tracers to determine which parts of a watershed are eroding. Clockwise from top center: praseodymium, cerium, lanthanum, neodymium, samarium, and gadolinium. |Source = http://ww
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:38, 25 April 2015 | | 1,200 × 780 (573 KB) | Materialscientist | resolution |
| 04:55, 1 June 2010 |  | 640 × 416 (171 KB) | HarDNox | {{Information |Description={{en|These rare-earth oxides are used as tracers to determine which parts of a watershed are eroding. Clockwise from top center: praseodymium, cerium, lanthanum, neodymium, samarium, and gadolinium.<br/> [[:en:Category:lanthanid |
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- Ossido
- Acqua pesante
- Anidride solforosa
- Monossido di azoto
- Diossido di azoto
- Ossido di diazoto
- Terre rare
- Silice
- Perossido di idrogeno
- Anidride borica
- Triossido di cromo
- Anidride iodica
- Triossido di molibdeno
- Anidride fosforica
- Ossido di zirconio
- Anidride vanadica
- Ossido di alluminio
- Ossido di bismuto
- Ossido di cadmio
- Ossido di calcio
- Ossido di cerio(IV)
- Triossido di dicromo
- Ossido di cobalto(II,III)
- Ossido rameico
- Ossido ferrico
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