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SIO2Silicon Dioxide
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Table 1 shows textural properties of CuCl-SiO2, CuCl-AC, SiO2 and AC.
The major chemical compounds present in waste paper sludge (WPS) and developed waste paper sludge (DWPS) samples were SiO2, Al2O3, CaO and Fe2O3.
A number of studies have recognised characteristic K2O/Na2O ratios and SiO2 content of sandstones from contrasting tectonic setting (Crook, 1974; Schwab, 1975; Bhatia, 1983).
Las variables que mas contribuyen a la formacion del primer eje que retiene un 40% de variabilidad son el porcentaje de MgO, K2O y SiO2.
In order to overcome this problem, we can make use of momentary and partial high temperature and high pressure produced by supersonic cavatition, KH-570 added as dispersing agent, to disperse SiO2 coacervate.
The measured thicknesses depend on knowledge of the effective attenuation length (EAL) of the detected photoelectrons in SiO2 for the particular film thickness and measurement configuration.
Structure and Electrochemical Performance of Modificated LiMn2O4 by S-Co Codoping and Nano SiO2 Surface Coating
Zn2SiO4 and ZnAl2O4 may be produced due to the reaction between Zn (OH) 2 and SiO2 or Al2O3, which can settle down easily.
Laboratory results shows (CaO) calcium oxide as the major component (>50%) with loss of ignition around (>40%), this constitute main bulk of CaCO3 (>90%) and small amounts of SiO2 (<2%), MgO and Fe2O3 (<3%) which show its high compatibility to use in the manufacturing of other secondary useful products.
With 'no fertilizer' as control, the four fertilizer combinations were 100 kg N ha-1, 100 kg N ha-1 + 60 kg SiO2 ha-1, 125 kg N ha-1, and 125 kg N ha-1 + 60 kg SiO2 ha-1.
According to TAS diagrams by [4] and [2] which are drawn according to alkaline Na2O and K2O quantities in SiO2, all the studied samples are placed in quartzmonzonite, granite, diorte, quartzmonzodiorite, monzonite and granodiorite range (figs.