The stress produced during the process of drying had a certain relation with moisture gradient, shrinkage, moisture and stress index.

干燥过程中产生的应力与含水率梯度、干缩量和含水率、应力指标，存在一定的相关关系。

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Throughout the drying process, the surface of the free shrinkage strain is the largest, the more close to the core layer the smaller the free shrinkage strain.

在整个干燥过程中，表层的自由干缩应变最大，越靠近芯层自由干缩应变越小。

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Throughout the drying process, the surface of the free shrinkage strain is the largest, the more close to the core layer the smaller the free shrinkage strain.

在整个干燥过程中，表层的自由干缩应变最大，越靠近芯层自由干缩应变越小。

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