四棱台

四棱台容器对声化学产率的影响

Effect of quadrangular frustum of a pyramid on sonochemical yield

任意四棱台折叠纸盒作业线设计条件分析

Analysis on the working score design of the discretional rectangle-terrace folding carton

古巴比伦正四棱台体积公式古证复原

Reconstructing the Proof of Babylonian Volume Formula for the Frustum of a Square Pyramid

直四棱台折叠纸盒自锁底成型条件的分析

Analysis to the Shaping of Auto End - locked Structure in Vertical Rectangle - terrace Folding Carton

提出了薄带连铸304不锈钢在高温热变形过程中，当出现颈缩时以四棱台进行变形的模型。

The deformation model for 304 stainless steel strip continuous casting , which is based on the hypothesis of frustum of quadrilateral prism , at high temperature and in hot deformation during the necking was presented .

结果表明，斜四棱台的效果最佳，大约是倒四棱台的3倍；

The results show that the effect of the quadrangular frustum of a pyramid is optimum , its yield about four as much as that of the universal quadrangular frustum of a pyramid ( like funnel shape vessel ) .