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  • Yonghua 2021 Annual Comprehensive Emergency Drill

    2021 Annual emergency drillSafety production will always be in mind

  • What Is Silicone?

    Silicones are a type of synthetic polymer, a material made of smaller, repeating chemical units called monomers that are bonded together in long chains. Silicone consists of a silicon-oxygen backbone, with “sidechains” consisting of hydrogen and/or hydrocarbon groups attached to the silicon atoms. Because its backbone does not contain carbon, silicone is considered an inorganic polymer, which differs from the many organic polymers whose backbones are made of carbon.

  • Why Is the Ocean Salty?

    Have you ever wondered why the ocean is salty? Have you wondered why lakes might not be salty? Here's a look at what makes the ocean salty and why other bodies of water have a different chemical composition.

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