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Journal of Northwest Normal University(Natural Science)
1001-988X
2012 Issue 4
Multiplicity results for some degenerate elliptic systems near resonance with a nonprincipal eigenvalue
AN Yu-cheng;SUO Hong-min;JIN Jin
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page:1-6
The boundedness and permanence of nonautonomous Lotka-Volterra competitive system with N-species and discrete variable delays
QIN Li-hua;YU Fang
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page:7-13
Hydrothermal synthesis of vanadium dioxide nanobelts
WANG Xiu;ZHANG Xiao-liang;YI Ge-wen;JIA Jun-hong
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page:52-55
Absolute stability of Lurie control systems with continuous distributed time-varying delays
TANG Hong-ji;LI Hai-ping;ZHOU Ru-juan;HAN Yan-wu
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page:14-18
Determination of Sudan Red Ⅰ in the foodstuff based on the fluorescence quenching effect of tryptophan
TENG Xiu-lan;MA Yong-jun;XUE Lin-ke;WANG Xing-min;PU Lu-mei
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page:56-59
The properties of Xd-Bessel sequences in a Banach space
LIU Nan;WEI Miao;CAO Huai-xin
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page:19-22,26
Purifying selection sites in the GAF domain of phytochromes in gymnosperms
WANG Jing;LI Wan-chang;WANG Ting
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page:60-65
The measurement and analysis on the regional economic difference in Guizhou Province
ZHU Shi-peng;KUANG Xue-dong;ZHANG Mei-zhu
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page:102-107
Study on inclusion complex of hydroxypropyl-β-cyclodextrin with lappaconitine and its thermodynamic stability
MA Jun-yi;ZHANG Ji;LI Jia-jia;XING Run-miao;HUANG Yu-long
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page:66-70
A kind of nonlinear fractal interpolation functions
FENG Zhi-gang;ZHANG Xiu-juan
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page:23-26
Study on coordinated development of tourism economy and urban ecological environment in Lanzhou Cicy
SHI Hui-chun;LIU Lu;WANG Bao-long;LIU Wei
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page:108-114,120
Study on extracton of Danggui activitive components and antiinflammatory activity of complex suppository containing Danggui
YANG Xue-mei;YANG Hai-hong;YANG Chun-xia;AN Jing;AN Mei-ling;HU Fang-di
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page:71-75
Effects of annealing temperature on structural and optical properties of homo-buffer layer ZnO thin films
MA Shu-yi;ZHAO Qiang;JIN Yu-min;MA Li-gang;ZHANG Xiao-lei;LIU Jing;YANG Fu-chao;LI Fa-ming
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page:27-32
Difference analysis on foliage sulfur content of 10 common afforestation trees
ZHANG Jia-yang;ZHU Nan;LI Hui;ZHANG Jin-chi
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page:115-120
A kind of efficient similarity search algorithm based on B+-tree index
GUO Xiao-fang;YE Hua
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page:33-37
Light microscopical observation and expression of Bax protein,c-Fos,and TGF-β1 in liver of Chrysolophus amherstiae and Aquila rapax
YU Shi-yuan;AN Jing-jing;LIU Ting-ting;WANG Xiao-yong;CHEN Chen
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page:76-81
xi bei shi fan da xue xue bao : zi ran ke xue ban gao yue
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page:封4
Circuit implementation of the Genesio-Tesi and Coullet systems
ZHANG Jie;MA Sheng-qian;ZHANG Xin-guo;YANG Zhi-min
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page:38-41,89
Community characteristics of soil cillates in Dongdapo forest park in Linxia of Gansu Province
MA Zheng-xue;MA Rui-lin;MA Xiao-hong
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page:82-89
Analysis on sustainability of cultivated land in Gaotai County based on ecological footprint model
CHEN Xing-peng;CUI Li-xiang;XU Xin-yu;LI Heng-ji
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page:90-93
Research on eco-spatial gravity center of the three economic zones in west China based on GIS
ZHANG Wang-feng;FANG Chen;GENG Sha-sha;ZHANG Rui-xia
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page:94-101
Synthesis,crystal structure and properties of supramolecular complex[Na(2-EtIMDC)(H2O)2]
WEI Tai-bao;LI Xin-lin;XIE Yong-qiang;GUO Ying;ZHANG You-ming
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page:42-46
Synthesis of composite superabsorbent resin by using glow-discharge electrolysis plasma
REN Jie;TAO Li-hong;GAO Jin-zhang;LI Ya-ping;LIU Hong-wei
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page:47-51,55