例句與造句

1. Water vapor pressure may also affect the rate of obsidian hydration.
2. The rate at which the obsidian hydration band forms increases with temperature.
3. Several factors complicate simple correlation of obsidian hydration band thickness with absolute age.
4. Finally, water vapor pressure may also affect the rate of obsidian hydration.
5. The determination of absolute age from the thickness of an obsidian hydration band is complicated and problematic.
6. It's difficult to find obsidian hydration in a sentence. 用obsidian hydration造句挺難的
7. Obsidian hydration dating was introduced in 1960 by Irving Friedman and Robert Smith of the United States Geological Survey.
8. Modern archaeologists have developed a relative dating system, obsidian hydration dating, to calculate the age of obsidian artifacts.
9. Obsidian hydration dating was introduced in 1960 by Irving Friedman and Robert Smith of the U . S . Geological Survey.
10. Obsidian hydration dating is a geochemical method of determining age in either absolute or relative terms of an artifact made of obsidian.
11. Obsidian hydration dating is a type of dating that uses the weathering rind that develops within artifacts or gravel that are composed of obsidian.
12. The presence or absence of an obsidian hydration band has been used to distinguish prehistoric obsidian debitage from obsidian debitage produced by modern flintknappers.
13. The use of Secondary ion mass spectrometry ( SIMS ) in the measurement of obsidian hydration dating was introduced by two independent research teams in 2002.
14. A third piece of evidence of the progression of Maya decline, gathered by Ann Corinne Freter, Nancy Gonlin, and David Webster, uses a technique called obsidian hydration.
15. Second, the rate of hydration and obsidian hydration band formation varies with the geochemistry of the obsidian, including the intrinsic water content, seems to affect the rate of hydration.
16. For example, the basis of the lack of development of obsidian hydration bands, it was concluded that modern flintknappers brought specimens of obsidian to the Poverty Point Site in Louisiana.
更多例句：  下一頁