1) liquid nitrogen trap
液氮冷阱
2) liquid-nitrogen cooled trap system
液氮冷阱系统
3) liquid nitrogen cold trap
哑氮冷阱
4) liquid-nitrogen refrigerating
液氮制冷
1.
A series of Er 3+ /Yb 3+ co-doped BaF_2 powders with the same compositions were prepared at different sintering temperatures, and the samples were cooled by liquid-nitrogen refrigerating and air-cooling, respectively.
采用液氮制冷和空冷两种冷却方式制备了不同烧结温度的系列相同配方Er3+/Yb3+共掺杂BaF2粉末。
5) condensation by liquid nitrogen
液氮冷凝
1.
A simple and convenient method for extracting plant volatiles—condensation by liquid nitrogen;
植物挥发性物质提取的一种简易方法——液氮冷凝法
补充资料:液氮
分子式:N2
分子量:28.01
CAS号:7727-37-9
性质:熔点-210°C。沸点-196°C。
分子量:28.01
CAS号:7727-37-9
性质:熔点-210°C。沸点-196°C。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条