Common measurement methods for wafers (4);

Common measurement methods for wafers (4);

1. Atomic force microscopeAFM is a device that uses van der Waals forces to measure objects...

From the River  Interview with Think Tank  Professor Christopher Evans of Cambridge University: There are many commonalities between the civilizations of the Great River

From the River Interview with Think Tank Professor Christopher Evans of Cambridge University: There are many commonalities between the civilizations of the Great River

Replay suspend 00:06 / 01:03 direct seeding 00:00 Enter full screen 0 Click and hold to drag videos Henan Daily client reporter Shen Jianqi and Tong LinGather on the banks of the Yellow River to discuss the civilization of the great river. Professor Christopher Evans, Senior Fellow of the MacDonald Archaeological Institute at the University of Cambridge and Fellow of the National Academy of Sciences, stated that rivers are the cradle of world civilization, providing necessary conditions for agricultural production, population growth, and transportation, and promoting the emergence of civilization...