1. Specialized supports include silicon dioxide , titanium dioxide, calcium carbonate, and barium sulfate. 2. Physicists have long wondered just how closely they can slice silicon dioxide . 3. In this process, trenches are formed and silicon dioxide is deposed inside. 4. The groundmass contains plagioclase, pyroxene, silicon dioxide and oxides of iron and titanium. 5. Silica is made of the same ingredient as sand, silicon dioxide . 6. They are characterized by spicules made out of silicon dioxide , unlike calcareous sponges. 7. For instance, aluminum mirrors are commonly coated with silicon dioxide or magnesium fluoride. 8. Slag is usually a mixture of metal oxides and silicon dioxide . 9. Silica, or silicon dioxide , is found in nature as sand, quartz or flint. 10. Such silicon dioxide -fluoride is used in manufacture of integrated circuits as an insulator.
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