The study showed that the property of grain triboelectrification relates to grain moisture, friction velocity, dielectric constant and friction material.
研究表明,稻谷的摩擦带电与稻谷含水率、摩擦速度、稻谷的介电常数以及摩擦材料等因素有关。
单词 | Dielectric Constant |
释义 |
Dielectric Constant
英语例句库
The study showed that the property of grain triboelectrification relates to grain moisture, friction velocity, dielectric constant and friction material. 研究表明,稻谷的摩擦带电与稻谷含水率、摩擦速度、稻谷的介电常数以及摩擦材料等因素有关。
原声例句
Crash Course Physics 速成课物理 And that's why the full equation for capacitance includes a dielectric constant, K. 因此,全电容方程包含一个常数 隔离,K。 Crash Course 综合篇 And that’s why the full equation for capacitance includes a dielectric constant, K. So dielectrics can help capacitors hold even more energy. 这就是为什么完整的电容方程包括介电常数 K。因此电介质可以帮助电容器保持更多的能量。
中文百科
相对电容率 Relative permittivity(重定向自Dielectric Constant)
![]() 在电磁学里,相对电容率,又称为相对介电常数,定义为电容率与真空电容率的比例∶
其中, 对于线性电介质,电极化强度
其中, 电位移
这公式又可写为
电位移与电场成正比。所以,相对电容率与电极化率
英语百科
Relative permittivity 相对电容率(重定向自Dielectric Constant)
![]() The relative permittivity of a material is its (absolute) permittivity expressed as a ratio relative to the permittivity of vacuum. Permittivity is a material property that affects the Coulomb force between two point charges in the material. Relative permittivity is the factor by which the electric field between the charges is decreased relative to vacuum. |
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