专业释义英英释义
Material derivative
- abstract: In continuum mechanics, the material derivative describes the time rate of change of some physical quantity (like heat or momentum) for a material element subjected to a space-and-time-dependent velocity field. The material derivative can serve as a link between Eulerian and Lagrangian descriptions of continuum deformation.
以上来源于: WordNet
双语例句原声例句权威例句
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The governing equation was derived from the viscoelastic constitution relation by using material derivative.
在控制方程的推导中，对黏弹性本构关系采用物质导数。
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Spirofluorene derivative, material for light-emitting element, light-emitting element, light-emitting device, and electronic device.
螺芴衍生物，发光元件用材料，发光元件，发光设备和电子设备。
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The organic thin film electroluminescence device with blue green color using new organic material, silicon alkyl derivative (SCS SiH), was fabricated.
采用新合成的有机材料硅烷衍生物作为发光物质制备了发蓝、绿光的薄膜电致发光器件。
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G We can take the derivative of G with respect to how much material there is.
我们可以取,对物质总量的偏导数。
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