Sentence examples for copper aging from inspiring English sources

HS01 presents a negligible impact on copper species transformation (T3), whereas the presence of α-FeOOH significantly enhanced copper aging contributing to the DIR effect (T1).

From this study, the effects of the Fe(II)/Cu II) interaction on goethite under anaerobic conditions by HS01 are presented in three aspects: (1) the accelerating effect of copper aging, (2) the reductive transformation of copper, and (3) the inhibition effect of the phase transformation of iron (hydr oxides.

He was found in 1991 popping out of a glacier and diagnosed as copper age man.

When the copper age arrived, it delivered better tools for cooking, but not for eating.

The earliest habitation was probably in the Late Chalcolithic Age and Early Copper Age.

The Chalcolithic Period (Copper Age), which dates from 3000 to 2500 bc, was followed by the Bronze Age.

This megalithic architecture continued in the Copper Age and throughout the Bronze Age.

The Copper Age in the Americas probably dawned between 100 and 200 ce.

There is no evidence that the Chalcolithic, or Copper Age, people who next lived there ever visited the dentist.

Both North and South America passed more or less directly from the Copper Age into the Iron Age.

Although known during the Copper Age, silver made only rare appearances in jewelry before the Classical age.