chemical degradation

However, physical and chemical degradation may occur under other specific conditions.

Those tests were also conducted eight years after Arafat's death, so there could have been problems with chemical degradation.

This is especially important when samples are susceptible to chemical degradation in solution.

The oil may thus resist chemical degradation for years.

•R; this hypothesis is partly supported by the chemical degradation.

Together, they completed a thorough examination of the chemical degradation processes in the wood.

The overall rate of chemical degradation in surface water is expected to be very slow relative to biodegradation.

The distribution of radioactivity was determined by a new chemical degradation sequence.

Chemical degradation attributable to it can take two paths.

During the 32-day chemostat culture, no mechanical or chemical degradation of the supports were observed.

Furthermore, chemical degradation of food caused by oxidation can be eliminated or stopped.

The chemical degradation occurred right at the interface between the paint and the varnish, the researchers added.

The chemical degradation and crystallographic analyses allowed assignment of structure 2a to phyllanthostatin 3.

A selective chemical degradation study on the structure of immature carbonaceous sediments.

Its first widespread use was in the incandescent light bulb to protect the filament from chemical degradation.

To extend the useful life of our collections, we store records in environmental conditions which slow down chemical degradation, prevent mould growth and mechanical damage.

As I have already mentioned, these chemical degradations are irreversible because they occur in the molecular structure of the silver print.

Its structure was first elucidated by chemical degradation and later by x-ray crystallography.

However in situ hydration of bentonite can and does leave the clay susceptible to chemical degradation.

Its presence in paper contributes to chemical degradation of the finished paper, but is is removed during manufacture.

The structures of the metabolites were determined by a combination of spectroscopic analysis and chemical degradation.

Exposure to PM may also cause physical and chemical degradation of materials through the action of acidic particles.

It is also important that the liner resist abrasion, puncture, and chemical degradation by leachate.

Exposure to UV radiation is a primary factor influencing the longevity and chemical degradation of paint.