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Journals and Conferences
As a light coloured and relatively hard species of wood, birch is much in demand for wooden floors in Scandinavia. The problem with birch wood is that it easily becomes discoloured during conventional drying. Visual sorting by colour is impossible before the boards are processed into parquet blocks because the discolouration, except for yellowing of the… (More)
The reorientation of F(A)(II) centers in electrolytically colored KCl:Li crystals under ruby laser exposure was studied at room temperature. A prolonged series of laser pulses was applied over a period of three days to check the durability and possible fatiguing of the crystals.
Introduction Initially tie group discussed what is meant by scqzning &terns. An .operational definition was adopted to consider scanning system in the current context to be nontraditional scanning. Where, traditional scanning is defined as scanning that has been industrially operational and relatively common for several years-a mature technology. For… (More)