According to different storage period, the effect of stacking time on stacking strength was studied with the object of corrugated carton of plan stacking.

以平齐堆码的瓦楞纸箱为对象，针对不同的存储周期，研究了堆码时间对瓦楞纸箱堆码强度的影响。

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Since the isotropy of such laminates holds only for the elastic properties but not for the strength behavior their strength largely depends on the stacking structure.

在板内发生损伤之后，其各向同性性质不再保留，最终强度将依赖于加载方向以及叠层顺序。

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Sample stacking in capillary electrophoresis can concentrate sample species through the electrical field strength gradient caused by the inhomogeneous buffer concentration field in capillary.

毛细管电泳样品电堆积富集是一种通过缓冲溶液浓度的差异在毛细管中形成电场强度梯度，从而对样品进行浓缩的富集技术。

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