material derivative的例句大全

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.

this corresponds to the interpretation of the material derivative, .

这对应的解释材料导数，。

this article points out the methods to solve the derivative of piecewise function and discusses the derivative problem at point of demarcation of piecewise function in detail. on correct application of mathematical tool in teaching material of accounting

本文主要叙述分段函数的求导方法，并对分段函数在分界点处的求导作了细致的讨论。浅议分段函数在会计教材中的正确应用

The equations governing the quasi-static and dynamical behavior of a viscoelastic Timoshenko beam are derived. The viscoelastic material is assumed to obey a three-dimensional fractional derivative constitutive relation.

利用粘弹性材料的三维分数导数型本构关系，建立了粘弹性Timoshenko梁的静、动力学行为研究的数学模型。

Novel condensed ring derivative with advanced optical and electrical properties has become extensive study area of liquid crystalline material for display in recent years.

新型稠环衍生物类液晶具有优越的光电性能，是近年来显示用液晶材料研究的热点领域；

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。

Conclusion The novel chitosan derivative has excellent biocompatibility and can be used as a tissue scaffold material.

结论所制备的PVP接枝壳聚糖具有良好的生物相容性，可作为组织工程支架材料。