Phosphate distribution

The steady-state problem yields a system of simultaneous linear algebraic equations that can be solved by Gaussian elimination and back substitution. I shall turn now to calculating the time evolution of this system, starting from a phosphate distribution that is not in steady state. In this calculation, assume that the phosphate concentration is initially the same in all reservoirs and equal to the value in river water, 10 I 3 mole P/m3. How do the concentrations evolve from this starting value to the steady-state values just calculated ... 

L. Sicko-Goad and T. Jensen (1976). Phosphate metabolism in blue-green algae. II. Changes in phosphate distribution during starvation and the phosphate overplus phenomenon in Plectonema... 

Phosphate Distribution During Calcite Crystallization. The crystallization rate data Illustrated in Figure 4 follow a rate equation... 

Conclusions Relative to Phosphate Distribution in Alkaline Natural Waters... 

A detailed examination of phosphate distribution between solution and solid phase during calcite crystallization in a simulated natural water shows that phosphorus adsorbs as a mono-layer, causing slight changes in the solution phosphorus concentration. It appears that under the conditions examined in this study, calcite- mediated phosphorus mineralization has a role in the movement of phosphorus from the water column to bed sediments, although the extent and rates of the process in natural systems remain to be determined. 

Surface water dissolved phosphate distribution, illustrating the relatively high concentrations (in j,mol kg ) in the Southern Ocean. From Ocean Data View (Schlitzer, 2002). 

Bringhurst ER. Calcium and phosphate distribution, turnover, and metabolic actions. In DeGroot LJ, ed. Endocrinology, 3rd ed., Vol. 2. Philadelphia WB Saunders, 1995 1015-43. 

Fig. 3.19. Isolines of means of vertically upper layer phosphate in (a) 1999 and (b) 2005 in the SYS (unit pmol/L). Because for a long time past and until recently the environment of the YS has been experiencing a Umitation of P, the phosphate distributions were described as a nutrient condition in the SYS (Zheng et al., 2006)...

Figure 10.6 2D P images showing phosphate distributions in dried AI2O3 catalyst bodies after impregnation for 18.5 hours (a) and 95 minutes (b) Green color indicates presence of phosphorus.

We can test the consistency of this with our assumed phosphate distribution, almost all of it as HPO, 0.01 M. Using X3, K2, we have... 

In another case, chemical imaging allowed to attribute undesired inhomogeneities in high-tech foils to the additive (phosphate) distribution. Finally, a lacquer defect during car production (haze), which... 

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