Researchers will examine the fibers of each document and catalog their individual characteristics and state of deterioration.
Known for his ascetic life, strict discipline, and martial spirit, he was made (1275) bishop of Hereford, which he found in a state of deterioration.
By 2013, the paintings were in a serious state of deterioration but a two-year programme of restoration has just been completed and the result is a bit like looking at a pristine Bayeux tapestry through a filter, or a projection of a medieval newsreel.
We review both the ability to assess structure as built character and the ability to indicate the state of deterioration.
There are still species that seem to be in this state of deterioration and decadence, so that the moment when they cease to exist must not be far.
Figure 3 also shows the state of deterioration and yellowing of some journals where extra care had to be taken in measurements.
In this work an Extended Kalman Filter is explored to estimate the current state of deterioration assuming the knowledge of the operating conditions, input signals, and sensor information.
The tests were devised so as to have the widest variability of situations in relation to the colour and composition of the lithotypes, the state of deterioration of the samples and the level at which to stop the cleaning.
Climate conditions, such as erosion-causing sea breezes as well as earthquakes, floods and pollution – not to mention a lack of access and attention during periods of national instability – have left the monuments in a critical state of deterioration.
