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Absorption coefficient, linear (ut)
| Глоссарий терминов по технологиям неразрушающего контроля (NDT) |
The fractional decrease in transmitted intensity per unit of absorber material thickness. it is designated by the symbol (µ) and is expressed in units of cm-1.
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Fractional, английский
- A дробный numeral
- Дробный
Designated, английский
- Assigned, specified
- Assigned, specified something intended for a specific person or purpose
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Ultrasonic spectrum, английский
- The frequency span associated with elastic waves greater than the highest audible frequency, generally regarded as being higher than 2.0 x 104 cycles per second, to approximately 109 cps.
- Usually the frequency range from 20 khz to 50 mhz, which may extend much higher in special applications.
- Usually the frequency range from 20 khz to 50 mhz but may extend much higher in special applications.7
Mass attenuation coefficient (rt), английский
The fraction of uncharged ionizing particles that experience interactions in traversing a unit distance in material of density.
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