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aging phenomena

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aging phenomena
Geriatrics The constellation of changes of aging
Aging
Intrinsic aging
The immutable effects of chronologic aging, eg atrophy-attenuation of epidermis, retration of rete pegs, ↓ number of Langerhans' cells and melanocytes, general decay of structural dermal and epidermal components
Extrinsic aging
Effects of external factors, eg sunlight, smoking, gravity and gravidity, keratinocytic dysplasia, solar elastosis, and possibly carcinogenesis; intrinsic & extrinsic aging are intimately linked and thus not subdivided
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Perera (3) has claimed that physical aging phenomena have an impact on the formulation, application, and the service life behavior of organic coatings in many domains.
Concurrent physical aging and degradation of crosslinked coating ... by Shi, Xiaodong; Fernando, B.M.Dilhan; Croll, Stuart G. / JCT Research
In this way aging phenomena were accelerated and the acceleration factor equals the squared ratio of the original thickness to the actual thickness.
Influence of nanofillers on thermal insulating properties of ... by Modesti, Michele; Lorenzetti, Alessandra; Besco, Stefano / Polymer Engineering and Science
This could indicate that the change in physical properties is related strictly to thermal-oxidative aging phenomena and not polymer chain scission, which of course in the end could lead to the same condition.
Activation systems for improved aging in epichlorohydrin terpolymer ... by Harber, Samuel C. / Rubber World
 
 
 
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