T s E proposed system controls nitrogen flow, providing a stable deep cooling of circulating traps for diffusion pumps. The necessary pressure is maintained in a Dewar by means of an automatic valve and a heater on the nitrogen line, and as the nitrogen reserve is exhausted a signal is switched on.
โฆ LIBER โฆ
Field research and word processor files: A technical note
โ Scribed by Elizabeth A. Freidheim
- Publisher
- Springer
- Year
- 1984
- Tongue
- English
- Weight
- 664 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0162-0436
No coin nor oath required. For personal study only.
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