The models for predicting elastic modulus along the grain of poplar veneer were built, in which compression ratio, glue content, density, and thickness of veneer were considered.
着重讨论速生杨木单板顺纹弹性模量预测模型，模型中考虑到单板的压缩率、单板中含胶量、单板的密度和单板的厚度等影响因素。
The results show that with the increase in confining pressure, the elastic modulus of rock mass may grow positively mainly due to the compression of rock fractures;
研究结果表明，随着围压的增加，岩体弹性模量可能出现正增长关系，主要原因是岩体裂隙的压紧导致结构的致密；
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