Dewars and other containers made of glass are not recommended for liquid hydrogen service.
对于液氢建议不要使用杜瓦瓶和其它玻璃制成的容器。
2
A liquid transfer line is used to safely remove liquid product from dewars or cryogenic liquid cylinders.
液体转移管用于从杜瓦瓶或低温液体钢瓶中安全地提取液体产品。
3
This paper describes the characterization of superfluid helium briefly and summarizes the using of superfluid helium Dewars refrigerators in space refrigeration.