Sentence examples for deterioration by from inspiring English sources

According to Scheerer and coworkers (2009) microorganisms may contribute to stone deterioration by discoloring the surfaces, trapping dirt and excreting deteriorating acid and alkaline metabolites [8].

First, not everyone will stave off mental deterioration by learning.

Sickels depicts the garbage's deterioration by adding old banana peels and shellac.

"Woven silk is very susceptible to deterioration by light, wind and flood," Mr. Hartwig wrote.

Painted in an experimental and, as it proved, highly perishable fresco technique, the work began to show marked deterioration by 1517.

This represented a shameful deterioration by the Irish, having at least suggested occasionally this championship that they may have a claim to being ranked among the leaders.

Global conservation organisations are doing all they can.These efforts are estimated to have slowed deterioration by as much as one-fifth.

Countries that donate money to Guatemala have been trying to reverse the deterioration by emphasizing the need to comply with the peace accords, but it is important now to increase the pressure as a counterweight to the military's influence.

Can we really afford to acquiesce in the face of yet another slow deterioration by standing idly by as our last clumps of active hair follicles decide when they would like to close up shop?

It looks as though there may have been some recent deterioration, by a percentage point or so, in Mr. Obama's approval and favorability ratings – perhaps following the fairly poor economic news of late.

In modern times methods have been developed for improving the properties of the rosin acids, which are soft, tacky, and low-melting and subject to rapid deterioration by oxidation in air.