vacuum-tube characteristic

Based on vacuum pumping accompanied with throttling process, presenting several superfluid helium cooling cycles and analyzing their flow principle and cooling characteristic.

以抽真空与节流相结合为基础，给出了几种超流氦冷却循环方式；

Characteristic Comparison of Microwave Vacuum Popping of Popcorn and Maize

爆裂玉米与普通玉米微波真空膨化特性比较

Based on the fundamental research work, a crystal vacuum measurement system was designed and carried out, many experiments have been done on measurement repeatability, measuring range, temperature sensibility, and aging characteristic.

在此基础上，研制了晶振真空压力检测系统，对测试重复性、测试量程、温度的测试敏感性、以及老化特性进行了实验研究。

Characteristic and Industrial Application of Automatic Vacuum-packaging Machine Produced by China

国产自动真空包装机的特点及应用

The characteristic of the amplitude Nth power squeezing of binomial like state without vacuum has been investigated.

文章研究了不包含真空态的类二项式迭加态的光场的振幅N次方压缩特性。