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Should Water Age Be Regulated?
Opflow, 2022Understanding and limiting water age in a distribution system are important tasks for all water utilities.
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1986
We have evolved from the sea and are composed mostly of water. Evidence from phylogeny* and ontogeny** suggest that the amount of water appears to decrease continually as we age. An embryo is about 90% water, a newborn child about 80% water, a mature adult about 70% water, and an older adult about 60% water. Recent work indicates that in senescence the
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We have evolved from the sea and are composed mostly of water. Evidence from phylogeny* and ontogeny** suggest that the amount of water appears to decrease continually as we age. An embryo is about 90% water, a newborn child about 80% water, a mature adult about 70% water, and an older adult about 60% water. Recent work indicates that in senescence the
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Impact of Water on Asphalt Aging
Transportation Research Record: Journal of the Transportation Research Board, 2012Atmospheric pressure aging experiments were conducted to determine whether the presence of moisture during aging at a pavement service temperature of 60°C had any significant influence on the aging kinetics of thin (100-micron) asphalt binders. The five binders studied were aged in both dry and humid atmospheres.
Shin-Che Huang, Ron Glaser, Fred Turner
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Changes in total body water with age
The American Journal of Clinical Nutrition, 1989Extensive cross-sectional studies demonstrate a diminution of total body water in elderly and very old subjects. These findings are supported by less extensive longitudinal studies. Cross-sectional studies indicate that the decrease in total body water is mainly due to decreased intracellular water, but this is not supported by the findings of ...
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Aging and water metabolism in health and illness
1999Normal aging is associated with changes in body composition, thirst perception, renal function, and the hormonal regulatory systems involved in the maintenance of water and sodium balance. The presence of many diseases and drugs common in the elderly can interact with the impaired homeostatic systems to result in clinically significant disturbances of ...
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Water Transport in the Industrial Age
The Journal of Transport History, 2009Manchester was a major centre of transport innovation in industrial Britain. Research has focused on the pioneer transport links with Liverpool, neglecting the town's extensive eastern canal network. This article analyses the commodities conveyed from 1800 to 1855 on the Rochdale Canal, the most heavily trafficked of the town's eastern waterways.
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Control of maximum water age based on total chlorine decay in secondary water supply system
Chemosphere, 2022Minghao Shi, Shuai Zhang, Jiuling Li
exaly