chromatism
1.A method of the new coordinate chromatism evaluation in half-toning dot printing on fabrics
2.Comparison tests of specimens painted with IMR series of nano-composite coatings and the typical coatings applied presently for aircraft structures were conduced by an accelerated aging test method with UV radiation. The chromatism variations of the coatings with aging time were described quantitatively.
3.It is simulated that point spread function received after point acoustic source with band width passes through the diffractive-refractive hybrid acoustic lens. Compared with that through single acoustic lens,point spread function is greatly improved in the simulated figure and the influence of axial chromatism on imaging quality is partly eliminated.

