The superconducting nanowire single photon detector (SNSPD) has broad application prospects in the fields of quantum key distribution, deep space optical communication, quantum fingerprints, laser ranging, and imaging. Among them, the count rate is one of the key technical indicators of SNSPD. The -----
Abstract The tariffs are overweight and the Sino-US trade war is further escalated. Recently, the United States announced that it will not only impose tariffs on 200 billion US dollars of Chinese goods, but also intends to increase the tax rate from 10% to 25%. To this end, the Chinese govern-----
Abstract Following the violation of the tampering measurement in the exhaust gas and fuel efficiency test in Nissan in July, Suzuki, Yamaha and Mazda held a press conference on the afternoon of the 9th, acknowledging the existence of similar problems. Nissan’s violations were exposed a-----
Henan Sangong Bird Electronic Technology Co., Ltd. specializes in providing various ultrasonic blade repairs, and provides customers with domestic professional ultrasonic blade repair, ipl hair removal instrument repair x3f2e6an, ultrasonic blade repair, etc. Since its establishment in 2016-11-17,-----
http: // . According to the characteristics of the industry, the access conditions (guidelines) respectively put forward specific requirements in terms of general rules, site selection, process equipment, pollution prevention, etc., and effectively regulate the environmental management of the ind-----
Home>Bearing knowledge>Wheel bearing seal layout analysis of domestic and foreign comparison inspection (1) /*728*90 created on 2018/5/16*/ var cpro_id = "u3440131"; Analysis of the layout of hub bearing seals at home and abroad (1) Source: China Bearing Network Time: 2018-07-1-----
The current industrial ammonia synthesis technology is mainly based on the Haber-Bosch method using iron-based catalysts. Its reaction conditions are very harsh (250 atm, 400 degrees Celsius) and require huge energy consumption. Photocatalysis technology can -----