1005-8036
2001 Issue 1
Existence of Nontrivial Homoclinic Orbits for Ricatti Equations u"(t)-a(t)u(t)+b(t)u(t)2=0
li cheng yue
li cheng yue
..............page:1-6
..............page:7-18
Covariance and Correlation Coefficient of Complex Random Variables
cheng wei hu ; lai xiang rong
cheng wei hu ; lai xiang rong
..............page:19-21,96
..............page:22-29
..............page:30-37
Preliminary Study on Characteristics of Gas Exchange in Leaves of Ammopiptanthus mongolicus (Maxim)
feng jin chao ; zhou yi jun ; li guo gang ; yan wei ping
feng jin chao ; zhou yi jun ; li guo gang ; yan wei ping
..............page:38-41
Structure of Two Classes of Algebra
zhu zhan min
zhu zhan min
..............page:42-46
Analogy between the Results of Elementary Transformation and Some Relations in Linear Space
chen ji hang
chen ji hang
..............page:47-53
..............page:54-56
Bulk-Insertion Algorithm for B-Tree/B + Tree
wei xiao liang ; cai hong
wei xiao liang ; cai hong
..............page:57-61
Programing Serial Communication Using Visual C ++ 6.0 in Windows98 Environment
niu jin zhen ; hu qing yun ; yang ming quan
niu jin zhen ; hu qing yun ; yang ming quan
..............page:62-65
The Impact on Body Health about Chloridizing Disinfection of Drinking Water
zeng fan gang ; wu yan hong ; ba ha ti gu li ; wang yong hua
zeng fan gang ; wu yan hong ; ba ha ti gu li ; wang yong hua
..............page:66-75
Deterimination of Sulphur and Ash in the Coal in Beijing Area
yang ruo ming ; zhang jing hua ; chen chao
yang ruo ming ; zhang jing hua ; chen chao
..............page:76-80
Catalytic Spectrophotometric Determination of Trace Copper with Copper-leucofluorescein-Hydrogen Peroxide System
jia xin xin ; zhao xing ru ; zhang ying qun
jia xin xin ; zhao xing ru ; zhang ying qun
..............page:81-83
The Necessity and Way of Oral Examination in University
li zuo ; zhou yi jun ; liu chun lan
li zuo ; zhou yi jun ; liu chun lan
..............page:84-86
..............page:87-91
..............page:92-96