Journal of Northwest Normal University(Natural Science) 2008 Issue 2 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

On the current status and countermeasures of national fitness system of Gansu rural area
KANG Fan;ZHONG Quan-hong

..............page:115-117

On construction of the "Silk Road sports tourism promenade" in Gansu
YUAN Yin;CHEN Zhong-ju;REN Lian-xiang

..............page:112-114

The mechanism of economic regional combined design based on information economics analysis
TANG Zhi-qiang

..............page:108-111

Analysis of landscape pattern spatial characteristics in rural-urban ecotone of valley-city——a case study in Anning District of Lanzhou City
PAN Jing-hu;SHI Pei-ji

..............page:103-107

Effect of Cr6+ on physiological index of corn at the presence of EDTA
JIANG Hu-sheng;XUE Yang;LI Jing

..............page:99-102

A note on the 2-harmonic submanifolds of quasi constant curvature spaces
LIU Jian-cheng;DU Li

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

Solvability of second order periodic boundary value problems in Banach spaces
LIU Zhe

..............page:14-17,25

Existence of solutions for a second order Neumann boundary value problem at resonance
XU Ling

..............page:11-13

Fourier spectral approximation to the dynamical behavior of Fitz-Hugh-Nagumo equations
ZHANG Wei-bin

..............page:6-10

Existence of positive periodic solution of a class of nonlinear time delay systems with impulses
LI Bao-lin;PU Wu-jun

..............page:1-5

A study on karyotypes of two Saussurea species from the eastern Qinghai-Tibetan plateau
LI Huai;WANG Zhuan-li;GONG Hong-dong;WANG Yi-feng

..............page:95-98

Study of antioxidative effect of almond oil on hyperlipidemia rats
JIA Ling-yun;HOU Tian-de;ZHANG Ji;CHENG Fang;ZHANG Jian-ping

..............page:92-94,98

Community characteristics of soil ciliates in the National Nature Reserve of Baishuijiang
ZOU Tao;NING Ying-zhi;LI Xiao-hong;MA Zheng-xue;MAO Jin-ping;LIU Kai;BAI Xue-mei

..............page:87-91

Ecological effects of soil pollution by fluoride on soil protozoa
LIU Na;NING Ying-zhi;MA Zheng-xue;HE Jiu-jun

..............page:83-86

Synthesis of n-butyl acetate catalyzed by palygorskite supported 12-tungstophosphotungstic acid
LIU Yan;CHANG Yue;ZHA Fei

..............page:79-82

Spectroscopic studies on the inclusion of α-cyclodextrin with 4-(N,N-dimethylamino) benzoate
DONG Xiao-li;DU Xin-zhen;YANG Yan;LI Chun-lan

..............page:74-78

Flow-injection chemiluminescence determination of bovine serum albumin(BSA) using galangin-potassium permanganate-polyphosphoric acid system
LI Li;ZHOU Min;MA Yong-jun;WANG Jiu-chun;CHEN Hui

..............page:70-73

Preparation of superhydrophobic OTS-SiO2 composite film by sol-gel technique
XUE Zai-lan;YANG Wu;GUO Hao;CHENG Li-yan;ZHANG Ai-ju;GAO Jin-zhang

..............page:65-69,73

Controlled synthesis of Ag ordered nanorods
SHI Jun;KONG Chao;FENG Xiao-juan;MO Ling-ping;WANG Yao-xian;XIE Yu-long;HU Zhong-ai

..............page:61-64

Design and implement of a kind of intelligent and wireless data collecting system
SHE Qian-shun;MA Sheng-qian;ZHANG Guang-nan;HU Mei

..............page:57-60

Holographic model from SU(2) QCD
JIA Duo-jie;GAO Hui-yun;PANG Cheng-qun;QIU Chun

..............page:54-56

Soliton solutions for the (2+1)-dimensional Toda lattice equation
FENG Wei-gui;LIN Mai-mai;LI Kai-ming;LI Ya-zhou;LIN Chang

..............page:49-53

The (2+1) dimensional dust acoustic solitary waves in a dusty plasma with nonthermal ions
LIN Mai-mai;JIANG Gui-ming;DUAN Wen-shan

..............page:44-48

Improved ID-based proxy signature without a trusted party
FAN Rui;WANG Cai-fen

..............page:40-43,56

Extension of regularity and injectivity of rings
WU Bin

..............page:36-39

On some properties of (n,d)-rings
HAN Wei

..............page:33-35

KIP-injective modules
SONG Peng;LIU Zhong-kui

..............page:29-32

Chromatic indices on some classes of incidence graphs
CHENG Hui

..............page:26-28

A smoothing-type method for semidefinite programming
XU Yin-ling

..............page:22-25