Journal of Northwest Normal University(Natural Science) 2000 Issue 1 bai qi he ci

bai qi he ci

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( zi ran ke xue ban ) ji ben qing kuang jian jie

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zhui qiu zhuo yue chuang zao jing pin --< xi bei shi fan da xue xue bao >( zi ran ke xue ban ) bai qi zhi he

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bai nian ti ci

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xi bei shi fan da xue 1999 nian huo 2 xiang guo jia zi ran ke xue ji jin xiang mu

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xi bei shi fan da xue 1998 nian bei shou lu de lun wen shu you you suo zeng chang

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xi bei shi fan da xue ti chu gai ge yu fa zhan 5 nian xing dong ji hua

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The course of half a century --Review of a hundred issues on the university journal
SUN Xiao-ling

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On administrative problems and institutions of China's cultivated land resources
DONG Heng-nian

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The regular patterns of distribution on the natural components in plants of the genus Hippophae L.
LIAN Yong-shan;CHEN Xue-lin

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Positive solutions for second order three-point boundary value problems
MA Ru-yun

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Positive solutions of a class of second order singular nonlinear eigenvalue problems
YAO Qing-liu

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ying jie xin shi ji de tiao zhan -- juan shou yu
zhao jin bao

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Characterizations of almost locally Noetherian modules by generalized continuity
LIU Zhong-kui

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A micromorphological study of fruit coats of Potamogetonaceae and Ruppiaceae
SUN Kun;CHEN Jia-kuan

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Aminopolymethylenephosphonic acids
GAO Jin-zhang

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Study on catalytic activation of dioxygen by polymer quasi-porphyrin complexes
WANG Rong-min;WANG Yun-pu;LEI Zi-qiang

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Studies on application of the phase transfer catalysis in organic synthesis
CHEN Ji-chou

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Study on synthesis and fluorescence properties of aromatic-aliphatic copolyamides
LEI Zi-qiang;REN Hong-xia;WANG Yun-pu

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Synthesis of 5-aryloxymethylene-2-(2-Chlorobenzoylamido)-1,3,4-thiadiazoles
WANG Xi-cun;LIU Xiong;LI Zheng

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The influence of coating solvent on chiFal discrimination abihty of cellulose tris(3,5-dimethylphenylcarbamate) stationary phases
HOU Jing-guo;HAN Xiao-qian;WANG Ya-li

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A modified spectrophotometric determination of vanadium by catalysis of the methyl orange-tiron-bromate reaction
YANG Wu;ZHANG Xuan;GUAN Fei

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Study on inclusion compounds of β-cyclodextrin with α-and,β-naphthol
ZHANG You-ming;WEI Tai-bao

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Spectrophotometric determination of Mn(Ⅱ) in groundwater by metal ion substitution with Cd(Ⅱ) porphyin complex
CHEN Hui;WEI Dong-bin;FANG Yan-jun

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Differential pulse polarographic study on the mixed complexes formed by Cd(Ⅱ) with dioate ions
KANC Jing-wan;LU Xiao-quan;GAO Jin-zhang

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The chemical constituents of Elsholtzia stauntonii Benth
ZHENG Shang-zhen;KANG Shu-he;SHEN Tong

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Study on reductive conpling reaction of aldehyde and ketone induced by lower valent titanium prepared from TiCi4-Al system
WANC Jin-xian;DU Zheng-yin;HU Yu-lai

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Studies on the syntheses of water-soluble polymeric metalloporphyrin complexes and their interaction with DNA
WANC Yun-pu;XIAO Yao-nan;WANG Rong-min

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Studies on large time constant integrators suitable for integrated circuit
YANG Zhi-min

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Ionization of one-dimensional model atoms in ultra-intense laser fields
ZHOU Xiao-xin

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The synthesis of aligned carbon nanotubes in the pores of Al2O3 templates
LI Meng-ke

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Photoluminescence mechanism for oxidized porous silicon
MA Shu-yi

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On wavelet solutions of repeated contacts B spline for Second-kind Fredholm equations
JIN Jian-ming

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