Crosstabs analysis on the influencing factors of the length of stay
kang xiu1; zhang qi-xian2; liu xin-ping3(1 dept of informational engineering; ningxia vocational & technical college; yinchuan 750002; china; 2 dept of math.and c.s.; sanming university; fujian sanming 365004; china; 3 college of mathematics and information science; shaanxi normal university; xi an 710062; china)
..............page:87-90
..............page:1-7,11
Groundwater quality evaluation and analyses in Hanzhong City
chang cai-ping1; zheng nan2; zheng he-ping3(1.geology environment monitoring station of land resource bureau in hanzhong; hanzhong 723000; china; 2.postgraduate department of shaanxi university of technology; hanzhong 723001; china; 3.hanzhong big geological brigade of shaanxi geological mineral bureau for exploration and development; hanzhong 723000; china)
..............page:78-81
A survey on finding maximal common subtree of two trees
chao xiao-fei1; yang xiao-long2; li shu-qin1; tang jing-lei1(1.college of information engineering; northwest a&f university; shaanxi province; yangling 712100; china; 2.department of mechanical engineering; xi an aerotechnical college; xi an 710077; china)
..............page:33-39