2021-05-31 19:32 Copper alloys are dominant materials in the movement of mechanical watches. The fact that they are easy to shape by machining or cold-forming is of great importance.
2020-09-28 19:55 Superoxide dismutase is an enzyme that helps break down potentially harmful oxygen molecules in cells, which might prevent damage to tissues. It is being researched to see if it can help conditions where oxygen molecules are believed to play a role i ... дальше
