Advances in numerical modeling of groundwater flow in Heihe river basin
wang xusheng~1; zhou jian~2(1.school of water resources & environment; china university of geosciences; beijing 100083; china; 2.cold and arid regions environmental and engineering research institute; chinese academy of sciences; lanzhou 730000; china)
Review on saturated-unsaturated fluid flow in fractured rock mass
zhang yanhong~(1; 2); chai junrui~1(1.college of hydropower engineering; xi an university of technology; xi an 710048; china; 2.college of industry; gansu agricultural university; lanzhou 730070; china)
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CFCs age calculation of shallow groundwater in Guanzhong basin
li chen~(1; 2); qin dajun~1(1.institute of geology and geophysics; chinese academy of sciences; beining 10029; china; 2.graduate university of chinese academy of science; beining 100049; china)
Discussion on different methods of tunnel line type determination
he lina~1; wang jiexian~(1; 2)(1.department of surveying and geoinformatics of tongji university; shanghai 200092; china; 2.key laboratory of advanced engineering survey of sbsm; shanghai 200092; china)