Journal of Northwest Normal University(Natural Science) 2007 Issue 5 xi bei shi fan da xue xue bao : zi ran ke xue ban zheng gao jian ze

xi bei shi fan da xue xue bao : zi ran ke xue ban zheng gao jian ze

..............page:封2

Discrimination between athletes in college students and students in athletes
CHEN Yu-xia

..............page:114-117

Reflective learning's form and effecting factors of P. E. teachers in primary and middle schools
HAN Mei;ZHANG Lian;WEI Zheng-guang

..............page:111-113,117

Discussion on the relation between key elements of training and explosive force on table tennis
DUAN Hai-jun;HAO Ying

..............page:108-110

Analysis on sustainable development of the ecosystems of highways in Gansu Province
YANG Dong;TIAN Na;JIAO Jin-yu

..............page:102-107

On ecotoxiology of nitryl aromatic hydrocarbon compounds in water ecosystem
ZHANG De-lu;DU Qing-cai;PENG Liang;YAN Qing-yun;LIU Yong-ding;HU Chun-xiang

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

Isolation, purification and physicochemical characterization of Artemisia sead polysaccharide
GAO Yi-xia;ZHANG Ji;YAO Jian;ZHANG Xiao-long;LI Shu-wei;XU De-hua

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

Community characteristics of protozoa in polluted soil by coking waste water
MA Zheng-xue;KANG Rui-qin;SUN Hong-fei;NING Ying-zhi;SUN Xiao-dong

..............page:90-93

The species of flora in Baishuijiang national reserve in Gansu Province
CHEN Xue-lin;YANG Xia;QI Peng-cheng;TIAN Fang

..............page:83-89,97

The diversity and flora of spermophyte in Xiaolong mountain in Gansu
WANG Yi-feng;ZHANG Hai-dong;JIN Jie-qiang;QIN Jing-jing;WANG Juan-juan

..............page:75-82

Solving the KdV-mKdV equation by the bilinear derivative method
LIN Mai-mai;DUAN Wen-shan;L(U) Ke-pu

..............page:31-34

Research on off-line electronic payment scheme based on semi-fragile watermarking
YANG Xiao-dong;ZHANG Gui-cang;LU Xiao-yong;LU Hong-wen

..............page:27-30

A novel camera linear self-calibration technique based on the Kruppa equations
WANG Wei-sheng

..............page:22-26

The general neighbor-distinguishing chromatic index of graphs
LI Qiong;CHEN Xiang-en;LIU Xin-sheng

..............page:18-21

On cosemisimple Hopf algebras contains simple subcoalgebra of dimension p2
WU Mei-yun

..............page:15-17

The properties of relative flat of simple circle S-acts
FENG De-cheng

..............page:12-14

Positive periodic solution of nonlinear second order ordinary differential equations with changing sign of coefficents
LIU Ya-ni

..............page:7-11

The differentiability and convexity of fuzzy-valued functions
LI Hong-xia;GONG Zeng-tai

..............page:1-6,11

Mass determination of polystyrene particle by charge detection ion trap mass spectroscopy
CUI Fen-ping;PEI Shi-xin

..............page:71-74

Baeyer-Villiger oxidation of 2-adamantanone with hydrogen peroxide catalyzed by SnCl2·2H2O
WANG Jia-qin;WANG Ren-ren;LI Cui-lin;YANG Zhi-wang;LEI Zi-qiang

..............page:67-70

Synthesis and characterization of pentaerythritol tetramethylacrylate
WEI Yu-li;WANG Yun-pu;CHANG Yue;WANG Bing

..............page:63-66

Determination of compound amino acid injection by capillary electrophoresis with direct UV detection
FAN Hai-feng;YANG Wu;SUN Xiang-li;LI Chong-yang;MAO Xue-feng

..............page:59-62

Determination of tinidazole by square wave voltammetry on PB-Eu composite mercury film electrode
SONG Qing-yun;MA Yong-jun;ZHOU Xiu-ying;REN Xiao-na;FU Zhou-zhou;ZHOU Min

..............page:54-58

The tracking control of Lorenz chaos based on the 20-sim software
ZHANG Jin-jing;PEI Dong

..............page:50-53,74

An approach of generalized synchronization of Lorenz chaotic system
WANG Xiao-juan;YANG Zhi-ming

..............page:47-49

On the soft capacity performance of WCDMA networks
WANG Jing;YANG Zhi-min;LI Juan

..............page:41-46

Viscoelastic stress relaxation by scaled time
KANG Yong-gang;LI Ming-ming;ZHOU Ling;CHEN Hong-shan

..............page:38-40

Critical calculation of blue shift of aborption edges of Si-containing silicon oxide films
WEI Jin-jun;MA Shu-yi;SUN Xiao-jing;XU Xiao-li

..............page:35-37