1·The pathogenic strains were isolated from sick Silurus meridionalis, named N1, N2, N3 and N4. And three Bdellovibrios were isolated from fishpond sullage using N3 as prey.
从患病南方大口鲶分离得到病原菌N1、N2、N3、N4，以N3为宿主菌，从鱼塘淤泥中分离到三株蛭弧菌。
2·Yellow River sullage porous brick can substitute for clay brick and be used as bearing wall material based on analysis of masonry compression strength, crack development and breakage feature.
从砌体抗压强度、裂缝开展以及破坏特征等方面分析，黄河淤泥多孔砖可以替代黏土砖用作承重墙材。