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CPC - G01N - 15.04.2013 - page 104G01N 2291/02872 . . . PressureG01N 2291/02881 . . . TemperatureG01N 2291/0289 . . . Internal structure, e.g. defects, grain size, textureG01N 2291/04 . Wave modes and trajectoriesG01N 2291/042 . . Wave modesG01N 2291/0421 . . . Longitudinal wavesG01N 2291/0422 . . . Shear waves, transverse waves, horizontally polarised wavesG01N 2291/0423 . . . Surface waves, e.g. Rayleigh waves, Love wavesG01N 2291/0425 . . . Parallel to the surface, e.g. creep wavesG01N 2291/0426 . . . Bulk waves, e.g. quartz crystal microbalance, torsional wavesG01N 2291/0427 . . . Flexural waves, plate waves, e.g. Lamb waves, tuning fork, cantileverG01N 2291/0428 . . . Mode conversionG01N 2291/043 . . Complex trajectoriesG01N 2291/044 . . Internal reflections (echoes), e.g. on walls or defectsG01N 2291/045 . . External reflections, e.g. on reflectorsG01N 2291/048 . . Transmission, i.e. analysed material between transmitter and receiverG01N 2291/051 . . Perpendicular incidence, perpendicular propagationG01N 2291/052 . . Perpendicular incidence, angular propagationG01N 2291/055 . . Angular incidence, perpendicular propagationG01N 2291/056 . . Angular incidence, angular propagationG01N 2291/057 . . Angular incidence, parallel to surface propagationG01N 2291/10 . Number of transducersG01N 2291/101 . . one transducerG01N 2291/102 . . one emitter, one receiverG01N 2291/103 . . one emitter, two or more receiversG01N 2291/104 . . two or more emitters, one receiverG01N 2291/105 . . two or more emitters, two or more receiversG01N 2291/106 . . one or more transducer arraysG01N 2291/26 . Scanned objectsG01N 2291/262 . . Linear objectsG01N 2291/2623 . . . RailsRailroadsG01N 2291/2626 . . . Wires, bars, rodsG01N 2291/263 . . SurfacesG01N 2291/2632 . . . flatG01N 2291/2634 . . . cylindrical from outsideG01N 2291/2636 . . . cylindrical from insideG01N 2291/2638 . . . Complex surfacesG01N 2291/265 . . Spherical objectsG01N 2291/267 . . Welds