Journal of Northwest Normal University(Natural Science) 2005 Issue 2 The existence of positive solutions for second-order three-point differential systems

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Journal of Northwest Normal University(Natural Science)
1001-988X
2005 Issue 2

The existence of positive solutions for second-order three-point differential systems
WU Hong-ping

..............page:1-3

The method of quasi-upper and lower solutions for second order boundary value problems in Banach spaces
LIU Xu

..............page:4-7

Uniqueness to a class of elliptic boundary value problems
MA Hui-li

..............page:8-9,13

Fractional diffusion-wave equation on finite interval
ZHANG Shu-qin

..............page:10-13

Fuzzy prime relations on a groupoid
YANG Yong;Li Huai;LI Lian

..............page:14-16,20

Some studies on AGP-injective rings
LIANG Li

..............page:17-20

The semantic-based transformation of relational data to XML data
Gulnaz

..............page:21-25

Extended Jacobi elliptic function expansion method and its application
SHI Yu-ren;YANG Hong-juan;DUAN Wen-shan;U Ke-pu

..............page:26-30

Propagation of nonlinear shallow surface water waves at discontinuous point
GUO Peng;ZHANG Lei;DUAN Wen-shan;U Ke-pu

..............page:31-33,36

Determined the bandgap of nc-Si using a heterojunction C-V
ZHANG Kai-biao;MA Shu-yi;CHEN Hai-xia;Ma Zi-jun

..............page:34-36

Relativistic theoretical study on the influence of high-n spectator electrons to the Kα and Kβ spectra of Ar ions
GU Juan;DONG Chen-zhong;LIU Xi-wen;DING Xiao-bin;XIE Lu-you

..............page:37-40

Synthesis of N, N'-diaryl-2-nitro-1,4-phenylenedioxydiacetamides by room-temperature grinding under solvent-free condition
WANG Xi-cun;WANG Fang;LI Zheng

..............page:41-43

A new liquid-membrane oscillator with crystal violet as catholic surfactan
GAO Jin-zhang;YANG Fu-wei;SUN Kan-jun;WANG Lei;YANG Wu

..............page:44-46,51

Electrocatalytic redox of 3-nitrobenzaldehyde thiosemicarbazone at nano-γ'-Al2O3 modified electrodes
KANG Jing-wan;LI Zhi-feng;LU Xiao-quan

..............page:47-51

Synthesis and characterization of phenyl-functionalized mesoporous silica using as solid-phase microextraction fiber coating
DU Xin-zhen;WANG Ya-Rong;MA Qian;MAO Xue-feng;HOU Jing-guo

..............page:52-54,76

On "problem solving" and innovation of mathematics teaching model
LIU Ren-yi

..............page:98-101

A new method for preparation of Co3O4 nanoparticles
YANG Yu-ying;HU Zhong-ai;SHANG Xiu-li;U Ren-jiang;KONG Chao;ZHAO Hong-xiao

..............page:55-57

Analysis of the families of the spermatophytic flora in Baishuijiang National Reserve in Gansu Province
CHEN Xue-lin;QI Peng-cheng

..............page:58-65

Extraction and analysis of total flavonoids isolated from the roots of cultivated Glycyrrhiza inflata in Lanzhou
MA Jun-Yi;ZHANG Ji;YAO Jian;WANG Yi-feng;LIU Feng-hua

..............page:66-69

A study on distribution characteristics of natural tourism resources in Shaanxi Province
HAO Xuan-wen;WEI Hai-Yan

..............page:70-73,87

A study on the tourism market expands from the combination advantage in Tianzhu Tibetan Autonomous Prefecture
LI Wen-bing

..............page:74-76

On the selection of residential environment of human being in ancient times from perspective of geomancy
WANG San-bei;WEI Bao-wei

..............page:77-82

The elementary exploration on sustainable development index system of Jinchang City
ZHANG Yong-kai

..............page:83-87

The influences of new rules to technique and tactic of basketball
WANG An-ping;YIN Ke-li

..............page:88-91

Impact of Yangko sport on heart and lungs functions of middle-aged and old women
PAN Hong-xia

..............page:92-93,101

The modern mathematical technology and its influence
SHI Yong-fu;WANG Li-qun

..............page:94-97