The main bearing of the world's largest shield tunneling machine independently developed by China is offline
Source: People's Daily Weibo Replay suspend 00:07 / 00:49 direct seeding 00:00 Enter full screen 0 Click and hold to drag videos The main bearing of the world's largest shield tunneling machine, developed independently by China, is offline. The bearing is a "big iron ring" with a diameter of 8...
Breaking through the 8-inch lithium niobate crystal growth technology, Jinan University team assists in the development of the optical communication industry
Reporter Yin Mingliang, Correspondent Liu KekeLiu ZheRecently, Professor Liu Hong from the Frontier Cross Science Research Institute of Jinan University updated this message on his Moments: After nearly a year of research and dozens of rounds of exploration, Dehui and his friends have finally mastered the perfect 8-inch lithium niobate crystal growth technology. Assist in the preparation of large-sized lithium niobate thin films, promote the development of optoelectronic integrated devices, and achieve a full chain breakthrough in China's new generation information industry...