نتایج جستجو برای: phosphorus retention
تعداد نتایج: 107887 فیلتر نتایج به سال:
The effects of administered human growth hormone (HGH) were evaluated in dwarfed, prepubertal children who were receiving long-term corticosteroid therapy for a chronic disease. During 11 complete metabolic balance studies, the eight corticosteroid-treated children demonstrated impaired response to large doses of HGH with minimal nitrogen and no phosphorus retention. In contrast, two hypopituit...
Measurements of nutrient and suspended matter concentrations and loads entering and leaving the Castanhão reservoir during the rainy season were carried out to assess the influence of this large reservoir on land-sea fluvial transport in the ephemeral Jaguaribe river basin. Spatial variation indicated statistically significant attenuation of concentrations only for total phosphorous and suspend...
Hyperplasia of the parathyroid glands and increased concentrations of immunoreactive parathyroid hormone are among the earlier alterations of mineral metabolism in patients with chronic renal failure. In the past five years several investigators have demonstrated that phosphorus retention plays a key role in the development of secondary hyperparathyroidism and chief cell hyperplasia of the para...
Recently, sodium ion batteries (SIBs) have been given intense attention because they are the most promising alternative to lithium ion batteries for application in renewable power stations and smart grid, owing to their low cost, their abundant natural resources, and the similar chemistry of sodium and lithium. Elemental phosphorus (P) is the most promising anode materials for SIBs with the hig...
Within-River Phosphorus Retention: Accounting for a Missing Piece in the Watershed Phosphorus Puzzle
In a 3×3 factorial experiment, 90 72-week-old native breeder hens of Isfahan were kept in cages (one bird/cage). The effect of three levels of dietary calcium (3.27, 2.62, and 1.96%) and three levels of dietary available phosphorus (0.25, 0.20, and 0.15%) on egg production and egg shell traits were investigated. Each treatment contained five replicates of two birds (10 birds per treatment). The...
BACKGROUND Control of dietary phosphate absorption in end-stage renal disease patients is essential to prevent the deleterious sequelae of phosphorus retention. Efficacy of currently available calcium- and aluminium-containing phosphate binders is constrained by the side-effects associated with the absorption of calcium and aluminium. The current study examined the efficacy of RenaGel, a calciu...
One measure used in Sweden to mitigate eutrophication of waters is the construction of small wetlands (free water surface wetland for phosphorus retention [P wetlands]) to trap particulate phosphorus (PP) transported in ditches and streams. This study evaluated P retention dynamics in a newly constructed P wetland serving a 26-ha agricultural catchment with clay soil. Flow-proportional composit...
Dissolved phosphorus (DP) can be released from wetlands as a result of flooding or shifts in water column concentrations. Our objectives were to determine the long-term (1460 d) DP retention and release characteristics of an in-stream wetland, and to evaluate how these characteristics respond to flooding, draining, and changes in DP concentrations. The studied in-stream wetland drains an agricu...
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