Study on Establishing Ecological Bank Revetment in Longhu Lake in Queshan Area
gao feng1; wu ping2; li hong-shu1; wang rui-hui1(1.shandong exploration and mapping institute ot the yellow river; shandong jinan 250013; china; 2.zhengzhou hydraulic construction explorating mapping and designing institute; henan zhengzhou 450006; china)
Major Advanced Developement Gained in Studying Early Cambrian Geology in Luxi Area
wang shi-jin1; wan yu-sheng2; zhang cheng-ji3; yang en-xiu1; song zhi-yong1; wang li-fa1; zhang fu-zhong1(1.shandong geological survey institute; shandong jinan 250013; china; 2.beijing ion probe center; beijing; 100037 china; 3.shandong exploration bureau of geology and mineral resources; shandong jinan 250013; china)