Due to the difference in crack tip constraint, specimens may show different fracture toughness.
Furthermore, since the specimens may show a certain degree of current drift over time scales of 5 to 10 min, ambiguity between photocurrents under illumination and dark current is created.
The cap surface is generally dry and smooth, although mature specimens may show cracking.
A stylised 1765 painting of a macaw by Lt. L. J. Robins, published in a volume called The Natural History of Jamaica, matches the Cuban macaw, and may show a specimen that had been imported there; however, it has also been claimed that the painting shows the Jamaican red macaw.
Specimens of willemite and calcite from the Franklin district of New Jersey in the United States may show brilliant fluorescent colours.
Alternatively, a sandwich specimen may be obtained by using an interlayer to glue two identical halves of substrates, as shown in Fig. 1.
And now this steel and glass specimen may offer insight into what comes next.
Skin impressions from an as-yet undescribed specimen show that some species may have been covered in bristle-like structures, similar to the more primitive ceratopsian Psittacosaurus.
This study shows that the Female specimens may be smaller than the males, but their lifespan is longer than the males.
