Sentences with phrase «silica grains form»
The Japanese team, led by Yasuhito Sekine, verified the conditions under which silica grains form at the same size Cassini detected.
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In certain processes such as catalysis, for instance, silica (aka silicon dioxide or SiO2) in the form of a whitish powder is used as a support — the catalyst is attached to the powder grains, which in turn carry it into the process.
On Earth, the most common way to form silica grains of this size is hydrothermal activity under a specific range of conditions; namely, when slightly alkaline and salty water that is super-saturated with silica undergoes a big drop in temperature.