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The X-ray phase analysis of sludge has shown that it contains such compounds as: dicalcium silicate (g-2СаО×SiO2) (d (Å) = 6.394; 5.644; 4.941; 4.396; 3;76; 3.379; 3.023; 2.4788; 2.477; 2.025; 1.9085; 1.8825; 1.661; 1.6356; 1.616; 1.574; 1.541; 1.527; 1.501; 1.471); iron hydroxide (Fe(OH)3) (d (Å) =3.376; 2.468; 1.741; 1.536; 1.206); Zn2(SiO4)×∙H2O (d (Å) = 4.181; 3.296. 2.3266; 2.108); MgO (d (Å) = 2.085; 1.490; 1.210; 0.941); Zn(OH)2 (d (Å) = 3.541; 1.965; 1.912); Fe3Si2O5(OH)4 (d (Å) = 4.621; 2.573; 2.184); CaSiO3 (d (Å) = 3.22; 2.800; 2.023; 1.96; 1.71); Al(OH)3 (d (Å) = 4.191; 3.602; 3.314; 2.341; 1.82); Са3 Fe2(SiO4)3 (d (Å) = 3.56; 3.480; 1.821; 1.794); FeO (d (Å) = 2.47; 2.149) (Fig. 2) [9].
El-Fadaly, Chemical and microbiological Analyses of certain water sources and industrial wastewater samples in Egypt, Pakistan Journal of biological Sciences. 3 (20010) 777-781.

El-Wakil, Mohammad L.
Liu et al., J.

Vol.32, No.3(2000),p.395-412 [2]P.P Wu et al: Carbon Tax Study Summary of Theory and Practice.
Vol. 3(2012), p.12-22 [7]Gohen, Wesley, Klepper, el: Firm Size and the Nature of Innovation Within Industries: The Case of Process and Product R&D.

A Simple Iterative Method for Analysing Experimental Tracer Diffusivities in Concentrated Binary Alloys I.V.Belova and G.E.Murch Diffusion in Solids Group, School of Engineering, The University of Newcastle, Callaghan, New South Wales 2308, Australia Keywords: tracer diffusion, tracer correlation factors, exchange frequencies, concentrated alloys ABSTRACT In this paper, we present an iterative method for analysing experimental tracer diffusivities in binary disordered alloys using the self-consistent theory of Moleko et al
Allnatt and E.L.

Steel C Mn Si P S Cr Ni Cu Mo V Al Fe P2 0.16 0.48 0.28 0.009 0.010 2.20 1.29 0.06 0.59 0.100 0.01 rest V 0.80 0.66 2.34 0.026 0.033 0.09 0.05 0.09 0.004 0.007 0.15 rest Preparation of Samples.
Steward and E.L.

P, Hamid El Bilali, Vito Simeone, Nuray Baser, Copper contents in grapes and wines from a Mediterranean organic vineyard.
Free Radical Biology & Medicine. (2009) [17] Habes Ghrefat, Nigem Yusuf, Assessing Mn, Fe, Cu, Zn, and Cd pollution in bottom sediments of Wadi Al-Arab Dam, Jordan, Chemosphere 65. (2006) 2114–2121 [18] Geering, H.R., Hodgson, Micronutrient cation complexes in soil solution: IV.

Gutierrez-Estrada et al also concluded that combination of ARIMA-ANN model improves forecasting accuracy [17].
El-Shishini, Forecast combinations of computational intelligence and linear models for the NN5 time series forecasting competition.

Similar results were reported by Bedoui et al.[18], where the quantity of Pb (II) adsorbed ions decreased from 52 to 31% against a contact time increase from 6 hours to 12 hours.
McGraw-Hill, New York (1981) [17] A.A El-Hendawy, Influence of HNO3 oxidation on the structure and adsorptive properties of corncob-based activated carbon.

In addition, the apparent particle density was determined by the methodology proposed by Fernández-Fanjul et al. [12] and the water absorption at 24 hours according to the UNE EN 1097-6 (pre-dried particles and in distilled water).
El fenómeno de la segregación en hormigones ligeros.

Xie [22] et al. reported the intense coupling between Ag and the group of PVP.
El-Bashir, F.M.