ultrahigh vacuum

An advanced niobium-silicide based ultrahigh temperature alloy was prepared by vacuum consumable arc-melting method.

本文设计了新型 Nb 硅化物基超高温合金的成分,并采用真空自耗电弧熔炼法制备了其母合金锭.

Design of an intelligent cold cathode ultrahigh vacuum gauge

智能冷阴极规管超高真空计的研制

The effects of air exhaust, temperature of circulating cooling water, cold trap and environmental temperature on testing results of the degree of ultimate vacuum of 274 and 275 ultrahigh vacuum diffuse pump oil were discussed.

探讨了274、275超高真空扩散泵油极限真空测试过程中，除气、循环冷却水温度、冷阱及环境温度等因素对测试结果的影响。

The vacuum vessel as an ultrahigh vacuum pressure vessel is one of the important components of the EAST device, providing high quality vacuum conditions for the plasma discharge, which will affect greatly all kinds of plasma parameter.

EAST真空室作为超高真空压力容器是EAST超导托卡马克核聚变实验装置的关键部件之一，是等离子体放电的直接场所，其获得的真空度质量直接影响装置运行时等离子体的各项基本物理参数。