Solving common fault problems of broadcasting system

The campus broadcasting system works for a long time, and the indoor and outdoor equipment are connected. Once a thunderstorm occurs, the equipment is easily damaged by lightning. Long-term raining equipment may be damaged due to moisture leakage, so the failure rate of the campus broadcasting sys

Anhui Provincial Institute of Metrology In 2020, 9 scie…

[ Instrument R & D of Instrument Network ] Recently, the Anhui Institute of Metrology held a review meeting for the establishment of the Institute ’s scientific research projects in 2020, and reviewed the scientific research projects declared by the institutes. The leaders of the instit

Heavy water can help improve the efficiency of perovski…

[ Instrument R & D of Instrumentation Network ] Researchers of Nanyang Technological University have taken a unique approach and selected heavy water D2O as an additive that has never been involved in perovskite research. After treatment, the solar cell device efficiency has increased from 19.