单词	silicon dioxide
释义	silicon dioxide noun : silica Example Sentences Recent Examples on the Web The temperature sensor is made up of four layers; a layer of magnesium is encapsulated by two layers of silicon dioxide, an insulating material, and a layer below that serves as an adhesive. Margaret Osborne, Smithsonian Magazine, 30 June 2022 To make the device, the researchers started with layers of silicon and silicon dioxide. John Timmer, Ars Technica, 10 Mar. 2022 Glass, both ancient and modern, is a material usually made of silicon dioxide, or silica, that is characterized by its disorderly atoms. Carolyn Wilke, Smithsonian Magazine, 24 Nov. 2021 The silicon dioxide deriving from the volcanic ash covering the carcass. David Bressan, Forbes, 24 Sep. 2021 Lifescaped's colors are often produced using silicon dioxide, a biodegradable compound found organically in nature. CNN, 3 June 2021 Almost half of it is silicon dioxide glass created by meteoroids hitting the moon, heating up and fusing the silicon topsoil into glass, then breaking it into tiny shards. Eric Niiler, Wired, 19 Aug. 2021 This product has a notably clean flavor and was the only one devoid of silicon dioxide or other anticaking chemicals designed to keep the salts free-flowing. Paul Stephen, San Antonio Express-News, 16 June 2021 Then, as now, the material was made by melting silicon dioxide, or silica, at about 2000°C, and then using a variety of techniques to shape it. Robert F. Service, Science | AAAS, 8 Apr. 2021 See More Word History First Known Use circa 1909, in the meaning defined above Medical Definition silicon dioxide noun : silica
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