Developing of Multi-purpose Digital Mapping System Based on Pocket PC
xu bin~(1); zhang yan~(2); luo guang-xiang~(2); guo bing-xuan~3 (1.school of environmental sciences and engineering; chang an university; xi an 710054; shaanxi; china; 2.school of earth sciences and resources management; chang an university; xi an 710054; shaanxi; china; 3.state key laboratory for information engineering in surveying; wuhan university; wuhan 430079; hubei; china)
..............page:83-87
..............page:101-105
Algorithm and Realization of Remote Sensing multi-spectral Image Fusion Using Wavelet Transform
lin hui~1; du pei-jun~2; xiao jian-ping~3 (1.department of territory resource information and surveying engineering; xuzhou normal university; xuzhou 221116; jiangsu; china; 2.department of environment and spatial information; china university of mining and technology; xuzhou 221008; jiangsu; china; 3.wuhan design and research institute of exploration and surveying; wuhan 430022; hubei; china)
..............page:75-78,100
Analysis to First Breaks in Cross Hole Seismic Waves
zhang wen-bo~1; zhu guang-ming~1; ma de-tang~2; du you-cheng~1 (1.school of geological engineering and surveying engineering; chang an university; xi an 710054; shaanxi; china; 2.school of science; chang an university; xi an 710064; shaanxi; china)
..............page:70-74
..............page:106-110
Special Geotechnique in Lake Basin on High Moutain
zhou wei~1; hu wen-shou~1; mu dong-lin~2; fu min~1 (1.xi an research institute of geological engineering reconnaissance and building materials; xi an 710003; shaanxi; china; 2.the first survey and desisn institute of china railway; xi an 710054; shaanxi; china)
..............page:65-69
Environmental Behavior of NH_4~+-Nin System of Vertical River Bank Filtration
huang rui-hua~1; wu yao-guo~2; yang bing-chao~3; miao ying~3 (1.school of chemistry engeering; ocean university of china; qingdao 266003; shandong; china; 2.school of sciences; northwest polythenical university; xi an 710072; shaanxi; china; 3.school of environmental sciences and engeering; chang an university; xi an 710054; shaanxi; china)
..............page:92-95
Calculation of Fallout Tephra Volumes in Sihai Phase of Jinlongdingzi Volcano of Longgang Volcanic Swarm in Jilin Province
li zhi~1; han song~2; deng ya-ping~3; zhang ye~4; yu fu-sheng~5 (1.second institute of geological survey; gansu bureau of geology and minerals; lanzhou 730000; gansu; china; 2.institute of high energy physics; chinese academy of sciences; beijing 100039; china; 3.institute of exploration and development of huabei oil field; renqiu 062552; hebei; china; 4.institute of geological survey of gansu province; lanzhou 730000; gansu; china; 5.school of resource and information; petroleum university; beijing 102249; china)
..............page:28-31
..............page:96-100