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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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  • Silica | Definition Facts | Britannica
    Silica has three main crystalline varieties: quartz (by far the most abundant), tridymite, and cristobalite Other varieties include coesite, keatite, and lechatelierite Silica sand is used in buildings and roads in the form of portland cement, concrete, and mortar, as well as sandstone
  • 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
  • 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
  • Silicon dioxide - Wikipedia
    Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula SiO2, and is commonly found in nature as quartz [5][6] In many parts of the world, silica is the major constituent of sand
  • What Is Silica Used For? Benefits, Uses, and Risks
    Silica, a compound made of silicon and oxygen, is one of the most versatile materials on Earth It shows up in everything from the microchip in your phone to the little packet stuffed inside a new pair of shoes
  • Silica and Worker Health | Silica | CDC
    Information and guidance on health risks from respirable crystalline silica exposures to workers
  • Pax Silica - United States Department of State
    Pax Silica is the Department of State’s flagship effort on AI and supply chain security, advancing new economic security consensus among allies and trusted partners
  • Is Silica Bad for You? Lung Risks vs. Safe Uses
    Silica is one of the most abundant minerals on Earth, and whether it’s bad for you depends entirely on the form and how you’re exposed to it The silica in your food, supplements, and everyday products is generally harmless
  • 7 Health Benefits of Silica its Side Effects - Epainassist
    Silica is made of silicon and 2 oxygen atoms; which forms silicon dioxide You can find silica in high amounts in the mineral quartz (which is the most abundant mineral in Earth and is used to manufacture glass) Silica is known to be essential for our joints
  • SILICA Definition Meaning - Merriam-Webster
    The meaning of SILICA is the dioxide of silicon SiO2 occurring in crystalline, amorphous, and impure forms (as in quartz, opal, and sand respectively)





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