Tsinghua University, "Quantum Dot Spectrometer&quo…

On the afternoon of May 19, Wang Jiarui, vice chairman of the 12th CPPCC National Committee, and his entourage came to Tsinghua University to investigate the Quantum Dot Spectroscopy Integrated Laboratory of the "Thousands of Youngsters" in the Department of Electronics and get to know i-----

Development of home miniature vacuum packaging machine

Development of home miniature vacuum packaging machine The core tips: (1. Guangdong Province Agricultural Machinery Identification Station, Guangzhou 510515, China; 2. Guangzhou Yajunshi Electric Co., Ltd., Guangzhou, Guangdong 511442 vacuum pump, does not produce smoke, does not pollute the envi-----