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单词 siemens
释义
siemens
Physics

  • Symbol S. The SI unit of electrical conductance equal to the conductance of a circuit or element that has a resistance of 1 ohm. 1 S=10−1 Ω‎. The unit was formerly called the mho or reciprocal ohm. It is named after the German-born British engineer Sir William Siemens (1823–83).

Chemistry

  • The SI unit of electrical conductance equal to the conductance of a circuit or element that has a resistance of 1 ohm. 1 S = 10−1 Ω‎. The unit was formerly called the mho or reciprocal ohm. It is named after Ernst Werner von Siemens (1816–92).

Geology and Earth Sciences

  • The derived SI unit of electrical conductance in a circuit with a resistance of one ohm, and thus equal to a reciprocal ohm (mho, or Ω‎−1). It is used in measuring conductivities, where the unit is S/m. The siemens is named after Sir William Siemens (1823–83).
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