1. A 20 K cryogen-free leak detection system for cryogenic valves by using a GM cryocooler. (July 2021) Authors: Lyu, Bingkun; Xu, Dong; Li, Laifeng; Nishimura, Arata; Liu, Huiming; Zhang, Hengcheng; Wang, Tao; Huang, Rongjin; Huang, Chuanjun Journal: Cryogenics Issue: Volume 117(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗