The problem of transient heat conduction in a semi infinite medium with the heat capacity of the heater on the boundary considered has been solved analytically.

在考虑加热器热容量的条件下，求解了半无限大物体在边界被加热时的非稳态导热问题。

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The paper offers a dual problem for the semi-infinite convex programming by using the directional derivative with zero dual gap.

本文对半无限凸规划提出一个用方向导数表述的对偶问题，其对偶间隙为零。

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This paper deals with the plane strain problem of non-straight boundary semi infinite elastic solid to which a concentrated force is applied at the midpoint of the bottom of a groove.

本文对几种不同形状之刻槽的折线界面的半无限弹性体，在其槽底施以集中力的平面应变问题做了讨论。

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