假定衬砌材料为多孔介质，引入了更符合工程实际的半封闭边界条件。
The liner is assumed to be porous material and the partial sealing boundary condition of tunnel is introduced firstly to represente most of the real practical situations.
利用多孔聚酯泡沫为载体，进行了微生物絮凝剂产生菌的固定化条件优化和半连续生产絮凝剂的研究。
Using lacunal polyester as immobilized carrier, the optimization of conditions of immobilized and production of bioflocculant utilizing semi-successive cultivation was studied.
发现不同周期中相同条件下腐蚀得到的多孔硅层，其层厚随周期的不同而不同，从而限制了多孔硅发光峰半宽的缩小。
It is found that there is a inhomogenity of thickness of different layers in different period which was etched under the same condition.
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