Interpretation of radiograph (Part 3).
Artefacts. Pressure marks (crimp marks). Produced by careless film handling – if the film is crimped or buckled either before or after exposure crescent-s...
Author: Ivan Perfilyev
Interpretation of Radiographs (Part 2).
Film quality. The success of radiographic interpretation is dependent upon the quality of the film presented. If the film does not meet the minimum applicable s...
Interpretation of Radiographs (Part 1).
Interpretation of Radiographs Introduction Interpretation of radiographs is a skill only gained through long experience. The interpretation of a radiograph shou...
The definition of the technological properties concept and the requirements for it. The technical and economic indicators of power sources. The criterion for selecting power sources for welding.
When selecting power sources for welding, take into account technological and economic indicators. The choice of sources will ultimately be based on economic ca...
The heterogeneous nucleation.
If there are impurities in the liquid phase in the form of solid particles, then the crystallization often begins on them, as on finished substrates. The role o...