The experiment results show that observing jet appearance with the double reflecting mirrors system is feasible as long as the vacuum of the glasstube can meet the requirement of experiment.
实验结果表明，只要有机玻璃管的真空度能够满足要求，采用双反射镜成像系统来观测射流的形貌是可行的。
2
The direct reaction of Al with I_2 at high temperature in a closed vacuumglasstube resulted in AlI_3 vapor.
在较高温度条件下，碘与铝在封闭的真空玻璃管中直接反应，产生碘化铝蒸气。
3
Sunlight energy is collected by glassvacuumtube and metal superconductive tube transmits heat to the pressure-bearing water tank to heat up water.