本文根据孔壁应力解除法获得的量测应变，提出了采用最优化方法直接确定岩体的泊松比和原始地应力。
This paper proposes that Poisson's ratio of rock mass and in-situ stress are directly determined using optimization method according to measured strains obtained from bore hole stress relief process.
研究了采用熔体发泡法制备的闭孔泡沫铝材料的轧制过程，分析了不同道次压下量条件下泡沫铝的变形特点与破坏方式，探讨了影响泡沫铝轧制能力的主要因素。
The rolling process of closed-cell aluminum foam that was prepared by melt-foaming process was studied, as well as its deformation and failure behavior due to different pass reduction.
研究发现：随前驱体中浆料浸入量的增加，泡沫制品的抗弯强度逐渐提高，开孔率有所降低；
The results show that the SSFs' bending strength gradually increases and the open porosity falls with increasing the slurry loading in precursor;
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