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specific gravity

/spəˈsɪfɪk ˈɡrævɪti/

翻译: 物质的密度与参考物质密度之比,液体和固体通常以水为参考,气体通常以空气为参考。它是一个无量纲量,在物理和工程中用于表征材料。

1 个条目

phrase

/spəˈsɪfɪk ˈɡrævɪti/C1formalscientific
  • zh物质的密度与参考物质密度之比,液体和固体通常以水为参考,气体通常以空气为参考。它是一个无量纲量,在物理和工程中用于表征材料。

The ratio of the density of a substance to the density of a reference substance, typically water for liquids and solids, or air for gases. It is a dimensionless quantity used in physics and engineering to characterize materials.

  1. Density ratioC1formal

    The ratio of the density of a substance to the density of a reference substance, usually water for liquids and solids, or air for gases.

    zh相对密度

    • The specific gravity of gold is approximately 19.3.
    • To test the purity of the liquid, the chemist measured its specific gravity.
    • Specific gravity is a dimensionless quantity used in many engineering calculations.