1. The ideal atmosphere for the vacuum tube is no atmosphere at all, or a perfect vacuum.

2. The breath samples, stored in special vacuum tubes, are sent to Meretek for lab analysis.

3. Powered by vacuum tubes, those old radar units are now dinosaurs.

4. Just another snooty $ 3, 000 vacuum tube amplifier, I thought.

5. Lee de Forest invents the vacuum tube.

6. Not any air gets into the vacuum tube.

7. John Ambrose Fleming invents the vacuum tube.

8. Heavy metal guitar players use vacuum tube amplifiers to produce extreme distortion.

9. Sunlight energy is collected by glass vacuum tube and metal superconductive tube transmits heat to the pressure-bearing water tank to heat up water.

9. Wish you can benefit from our online sentence dictionary and make progress day by day!

10. VTA? Vacuum Tube Amplifier?

11. Now the vacuum tube technology has been around for some time.

12. A specific vacuum tube which converts light into electrical energy.

13. It was the first triode vacuum tube, incorporating a control grid as well as a cathode and an anode.

14. RF vacuum tube amplifier.

15. The glass vacuum tube doesn 't contact water and the whole system should bear pressure.

16. The theoretical formula about vacuity in vacuum tube and pore-water pressure at the observation point was obtained in this paper by using equation of gas state and equilibrium equation.

17. Cathode-ray tube (CRT): Vacuum tube that produces images when its phosphorescent surface is struck by electron beams.

18. In the first stage, we changed the Vacuum Tube Amplifier with Analog 1C, that is the core of servo system .

19. Vacuum tube amplifiers used the first time in coast - to - coast telco circuits.

20. VTO? Vacuum Tube Oscillator?

21. And we usually use vacuum tube to the computer such as the first generation computer.

22. Here he makes such suggestions as imitating simple neuron functions by using telegraph relays or vacuum tubes.

23. Thermal efficiency is an important parameter for the design of vacuum tube solar heater.

24. Or to reduce cost, bassoon span of purpose, reduce vacuum tube amount.

25. In this paper, the developing course of semiconductor electron device is simply retrospected, which mainly includes the vacuum tube, solid transistor and nanoelectron device.

26. The ancestor of these miniature electronic devices is the vacuum tube.

27. It includes: the out oscillating flow tube, the inner oscillating flow tube, the thermal insulating block cover and the glass vacuum tube.

28. The technology of radio improvement followed the development of the vacuum tube, the electronic-tube oscillator, the tuned circuit, and other components.

29. Bozeman was up on a footstool, cleaning one of the aquariums with a vacuum tube.

30. The first technology - type used to produce a computer, in the 20 th century, was vacuum tube technology.