The effect of the desaturation aging (DSA) treatment on the strength and the corrosion resistance of ultra high strength aluminium alloys were studied.
An onionskin-likestructure of concentric dust shells surround a central, aging star.Twin beams of light radiate from the star and illuminate the usuallyinvisible dust.
Accelerating the aging of new wine and new vinegar, sterilizing fermented foods and mutagenizing Saccharomyces cerevisia by modern physical technology were reviewed in this paper.
It is equipped with asphalt return tube, anti-puffing pressure vent valve, anti-aging overhead nitrogen valve, thermometer, volumeter and output asphalt rapid discharge valve and coupling.
With the increasing of the aging time, the activity of phenylalanine ammonialyase and polyphenol oxidase is decreasing, but the activity of amylase increases at first and then decreases finally.
To investigate revised Baduanjin's healthy effect on delaying the intellectual aging, and compare with the effect of general morning exercise in old people.
The microstructure deformation in the aging process of the alloy has been stated ,and the heteromorphy has been found the cause of the natural aging process of the 2011 alloy .