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Rapid formation of a modern bedrock canyon by a single flood event
Rapid formation modern bedrock canyon single flood event
2014/4/8
Deep river canyons are thought to form slowly over geological time (see, for example, ref. 1), cut by moderate flows that reoccur every few years2,3. In contrast, some of the most spectacular canyons ...
Rapid formation of isoprene photo-oxidation products observed in Amazonia
Rapid formation isoprene photo-oxidation products Amazonia
2009/11/9
Isoprene represents the single most important reactive hydrocarbon for atmospheric chemistry in the tropical atmosphere. It plays a central role in global and regional atmospheric chemistry and possib...
Color Variations Associated with Rapid Formation of Goethite from Proto-Ferrihydrite at pH 13 and 40°C
Crystallization Colorimetry Goethite Infrared spectroscopy L*a*b* color space UV-VIS-NIR spectroscopy X-ray diffractometry
2011/12/31
Color variations from brown to yellow of synthesized goethite have been studied colorimetrically and spectroscopically. Goethite with various colors was synthesized at pH 13 and 40°C by varying the in...