Sentence examples for uv degradation from inspiring English sources

A nitrogenous base protected the sugar-phosphate to which it was bound from UV degradation by a factor U so that the probability of its decomposition was D UV = U-1· k UV ·Δ t.

FTIR microscopy showed chain oxidation with UV degradation as the most likely cause of the problem.

We examine UV degradation, temperature extremes, acid base catalysis, and stresses such as sanding.

The UV degradation process was monitored by 1H NMR, GPC, UV Vis and FTIR.

Changes in contact angle were analyzed before and after UV degradation tests.

Furthermore, the compounds were shown to have excellent stability and photocatalytic activity towards the UV degradation of rhodamine (RhB) dye solution at room temperature.

Liquid chromatography-mass spectrometry data supported the conclusion that UV irradiation acted to remove the γ-phosphate group from ATP, and no evidence was observed for the UV-degradation of d-ribose or adenine moieties.

Although since that time a great deal of insight has been gained into the UV-degradation mechanism of polyolefins and the mechanism of action of HALS, no new UV-stabilization chemistry has been discovered.

In this paper, the most recent thoughts about the UV-degradation mechanism of polyolefins (initiation of photo-oxidation by polymer oxygen charge transfer complexes (CTCs)) and new insights into the mechanism of action of HALS stabilizers (quenching of these CTCs) are explored as a basis for designing new UV-stabilizers.

UV lamp short wavelength 254 nm (Vilber Lournate 220 V 50 Hz, Marne-la-Vallee Cedex, France) was used in the UV-degradation study.

CAMAG UV-lamp, S/N 29000, dual wavelength 254/366 nm, 2 × 8 Watt (Switzerland) was used in the UV-degradation study.