WebNov 15, 2014 · Essentially, you are asking if you can perform a single ordered scan through the data overall, while making no copies of the data, and returning 'x' disjoint sets of rows … WebSep 30, 2009 · The goal of this study is to question the interpretation of poorly ordered PCM Raman spectra by studying two series of different carbon materials: chondritic PCM and …
(PDF) Effect of pH on the reaction of sodium fluoride with hydrous ...
WebNov 20, 2024 · The aim of this study was to use nuclear magnetic resonance (NMR) spectroscopy to study the nanostructure of poorly ordered phases in SFB by varying slag/fly ash ratio, curing time, and curing temperature. Fly ash was completely substituted with metakaolin and the effect of this substitution on the poorly ordered phases was studied. WebMar 1, 1992 · SUMMARY Model humic macromolecules, obtained by auto-oxidation of the catechol-glycine system, were adsorbed on poorly ordered hydrous iron oxides, Fe(OH)2.8. The pH was nearly constant at c. 6 in order to simulate natural soil and river environments. When the amount of organic carbon adsorbed on 1 g of poorly ordered ferrihydrite … north ayrshire crime rates
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WebFeb 1, 2000 · By contrast, the sorption of Np(V) on natural, amorphous or poorly ordered Fe silicates may be a complex function of silicate bulk chemistry and solution chemistry, i.e., of pH and aqueous Si ... WebJul 28, 2006 · Hydroxyl release from alumina gel and poorly ordered aluminosilicates is appreciable at pH 9 and varies little with pH, but that from crystalline forms of alumina decreases with decrease of pH. WebStudies of the extraction of nickel from low-grade laterite ores require a much better quantitative understanding of the poorly ordered mineral phases present, including turbostratically disordered nontronite. Whole pattern refinements with nontronite X-ray diffraction data from a Western Australian nickel deposit (Bulong) using a nontronite … north ayrshire county maps