Sentence examples for colour alteration from inspiring English sources

This methodology was introduced in an attempt to overcome a number of potential complications, associated mainly with colour alteration observed onto the underlying original surfaces.

The overall colour results after ageing and cleaning allow to state that the Saratoga specimen shows the last relevant colour alteration, which consists mainly in reduced saturation of the hue with respect to the not treated one.

Among the issues to be tackled, it has to be considered the reduction of the colour alteration which will eventually reoccur after cleaning by slowing the rate of soiling.

The state of conservation of Crevoladossola is characterized by the presence of a diffused colour alteration which is responsible for the current dark to light grey appearance of the originally white stone blocks (Fig. 1d).

Moreover, being Candoglia a very compact stone which is not particularly affected by decohesion phenomena in this specific case study, such colour alteration could also be related to the reduced penetrations of the treatments within the mineral matrix.

The cross-section observation (Fig. 1f) does not show the presence of a continuous superficial deposition; on the other hand, the surface discontinuities and micro-fissures appear partly filled by soil dust and particulate matter which can be responsible for the observed colour alteration.

The response variables studied were the coating thickness, mango bars firmness, syneresis, and colour alterations.

However this treatment is often responsible for colour alterations, development of off-flavours and unfavourable texture changes.

Experiments applying sequentially the two beams (Fig. 7a, b) were not completely satisfying, while their synchronous use could reach the optimum cleaning level without surface or colour alterations (Fig. 7c).

Additional parameters on which the treatment compatibility depends (e.g., alteration in water vapour permeability, colour change, etc).

However, most of these methods extract image details but can lead to colour temperature alterations, light condition changes and may result in unnaturally sharpened images.