Some methods to reduce nitrogen content in liquid argon 减少液氩中含氮量的几点做法
Flat - bottomed , vertical , cylindrical storage tanks for low temperature service - specification for the design and construction of single containment tanks for the storage of liquid oxygen , liquid nitrogen and liquid argon 低温用平底立式圆柱形储罐.液态氧液态氮和液态氩储存单层密封储罐的设计和制造规范