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silica    音标拼音: [s'ɪləkə] [s'ɪlɪkə]
n. 硅石,无水硅酸,硅土

矽石,无水矽酸,矽土

silica
n 1: a white or colorless vitreous insoluble solid (SiO2);
various forms occur widely in the earth's crust as quartz
or cristobalite or tridymite or lechatelierite [synonym:
{silica}, {silicon oxide}, {silicon dioxide}]


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  • Silicon dioxide - Wikipedia
    Silica is one of the most complex and abundant families of materials, existing as several minerals and as a synthetic product Examples include fused quartz, fumed silica, opal, and aerogels
  • What is Silica? Benefits, Dosage, Side-effects | Holland Barrett
    This lesser known natural compound can support your immune system Discover exactly what silica is, how much you need and more health benefits it provides
  • What Is Silica Used For? Benefits, Uses, and Risks
    Silica, the compound of silicon and oxygen, is one of the most abundant materials on the planet and touches an extraordinary range of human activity It is a foundational raw material for glass, concrete, ceramics, electronics, food additives, cosmetics, and even experimental drug delivery systems
  • Understanding Silica: Health Benefits and Food Sources - WebMD
    What is silica and why do you need it? Learn about the top food sources of this essential mineral and understand its role in connective tissue and bone strength
  • Silica on Steam
    Silica is a crossover of FPS and RTS, where you take part in epic photorealistic battles either as humans or aliens Lead as the commander, or join the assault from the ground - the choice is yours!
  • Silica | Definition Facts | Britannica
    The mass of Earth’s crust is 59 percent silica, the main constituent of more than 95 percent of the known rocks Silica has three main crystalline varieties: quartz (by far the most abundant), tridymite, and cristobalite
  • What Is Silica? What is Silica Used for? Silica Composition
    Silica, scientifically known as silicon dioxide (SiO2), is a naturally occurring compound found in a wide range of minerals It is a primary component of sand, quartz, and other minerals Silica is abundant in the Earth’s crust, making it one of the most prevalent compounds on the planet
  • Silicon dioxide: Definition, safety, and effects
    Silicon dioxide, or silica, is a natural chemical compound composed of silicon and oxygen (SiO₂)
  • Silica and Worker Health | Silica | CDC
    Overview Silica is the compound silicon dioxide (SiO 2) Crystalline silica forms when molecules of SiO 2 arrange into crystalline form Respirable crystalline silica (RCS) refers to particles containing crystalline silica and are small enough to inhale deep into the lungs (respirable)
  • Silica, Crystalline - Overview | Occupational Safety and Health . . .
    Crystalline silica is a common mineral found in the earth's crust Materials like sand, stone, concrete, and mortar contain crystalline silica It is also used to make products such as glass, pottery, ceramics, bricks, and artificial stone





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