..............page:20-26,29
..............page:12-14,19
Quality Control in Production of Asphalt Surface Course Aggregate
wang de-li 1 ma yan-ming 2 yang shang-ping 3 (1.geological institute of beijing; beijing 100011; 2.beijing geology and mineral resources prospecting and developing bureau; beijing 100050; 3.jinhua nuclear engineering and construction group; jinhua zhejiang 321017)
..............page:27-29
A Discussion on the Problems of Urban Geology Research in China
ji guang-yi 1 wang yang 2; 3* xia xi-fan 1 ji yu-jie 1 (1. geological institute of beijing municipality; beijing 100011; 2.guangzhou institute of geochemistry; chinese academy of sciences; guangzhou 510640; 3.division of petrology; china university of geosciences; beijing 100083)
..............page:1-6,11