This paper introduces a research result on the stress intensity factors of crackles on single side of revolving square sample with the stress freezing in three-dimensional photoelasticity.
本文介绍了采用三维光弹性应力冻结法，对旋转正方形试样半边裂纹应力强度因子进行研究的成果。
Based on summing up others' experience, this paper research the direct method to calculate and simulate the temperature and stress field at the same time through a board surfacing welding sample.
在总结前人经验的基础上，通过平板堆焊实例利用直接法同时计算焊接温度场和应力场，模拟出了焊接过程。
Therefore, by taking Qingdao YX Company as a sample study this paper contributes to the accumulation of business cases as well as the related contrast research.
本文以青岛YX公司为案例分析其管理控制模式设计，有助于案例素材的积累及相关对比研究。
Then a few sample of chitosan is selected because of their obvious strengthening effect on wood pulp. This study is base of more research of chitosan used as paper strengthening agent.
以对木浆的增强效果为标准，从中选出了几种增强效果较好的样品，为壳聚糖的进一步改性奠定了基础。
Then a few sample of chitosan is selected because of their obvious strengthening effect on wood pulp. This study is base of more research of chitosan used as paper strengthening agent.
以对木浆的增强效果为标准，从中选出了几种增强效果较好的样品，为壳聚糖的进一步改性奠定了基础。
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