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Macroporosity (pt)
| Глоссарий терминов по технологиям неразрушающего контроля (NDT) |
Voids or gas pockets in metals that are large enough to be seen at magnification of less than 10 diameters.
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Macroporosity, английский
Magnification, английский
- The ratio of image to object size in an optical system. may be real (linear) or apparent (angular). milliradian (mrad)1/1000th of a radian, or 0.0573 degrees; the angle whose tangent is 0.001.
- The increase in the apparent or perceived size or subtended angle of an image in relation to actual size of object.
- Увеличение ~ of lens увеличение лупы
- The power of a microscope (or lens) to produce an image that appears larger than the actual specimen, expressed as a factor of the actual size
Magnificat, английский
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Compressional wave (ut), английский
Waves in which the particle motion or vibration is in the same direction as the propagated wave. same as longitudinal wave. see longitudinal waves.
Inspection (mt), английский
Visually observing, or looking at the surface of a part after it has been magnetized and magnetic particles applied to assure that the part is free of discontinuities.
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