The stress produced during the process of drying had a certain relation with moisturegradient, 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。
2
For the exist ofmoisture content gradient and thermal gradient, the thickness swelling is larger than the line swelling and so the thickness swelling is the emphasis of study.