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Backstreaming
| Глоссарий по тестированию |
- Movement of pumping fluids from the pump back to the vacuum chamber. also called diffusion.
- Movement of pumping fluids from a pump back to the vacuum chamber.21
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Barium clay, английский
Molding clay containing barium, used to eliminate or reduce the amount of scattered or secondary radiation reaching an x-ray sensor.
Background fluorescence, английский
Fluorescent residue that is observed over the part surface or in localized areas caused by surface contamination or surface finish, that interferes with penetrant removal or that is due to improper penetrant removal technique. see also background.
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