Journal of Northwest Normal University(Natural Science) 2007 Issue 4 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 construction of "three-dimensional teaching mode" of advanced physical education
WANG Ying;LI Yang

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

Technique research of the Chinese men's basketball team in the 15th World Basketball Championships
ZHANG Lan;WANG Tao

..............page:111-114

Study on the psychological characteristic of athletes of rhythmic gymnastics
GUO Xiu-wen

..............page:109-110,114

The discussion about several theoretical problems in the PE curriculum reform of basal education
ZHANG Xue-zhong

..............page:105-108

Positioning and communicating of city tourism image——a case of Yan'an City
GU Tao;LI Sheng-li

..............page:101-104

An analysis of the relationship between air particles and meteorological elements in Baoji City
ZHANG Cheng-zhong;ZHOU Bian-hong

..............page:98-100

The karyotypes analysis of four ornamental lilium
WANG Shu-hong;LI Qiao-xia;ZHAO Qing-fang;LIANG Wan-fu

..............page:93-97

The effect of Tetrahymena thermophila's population growth by the water from the Yellow River in Lanzhou City
WANG Ye-qiu;MA Zheng-xue;CHEN Qiao-yun;DA Wen-yan

..............page:90-92,97

Feeding-protein producing by solid-fermentation from vegetable wastes
ZHANG Ji;WU Guang-peng;GAO Yi-xia;FENG Tao;GAO Chao

..............page:85-89

The diversity and evaluation of Liliaceae medicinal plants resources in Qinling Mountain
WANG Dong-mei;LI Deng-wu;HU Chun-ping

..............page:79-84

Electrodeposition of Gd-Pr-Co alloy film in low temperation molten salt
LIU Qing;CHEN Bi-qing;WANG Jian-chao;GUO Cheng-yu;WANG Jin-gui

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

Electrocatalytic oxidation of PAN/PSF composite film electrode for dipheonls and their mixtures
FENG Xiao-juan;REN Li-jun;SHI Jun;MO Li-ping;HU Zhong-ai

..............page:69-73,78

Synthesis, characterization of a Schiff base copper( Ⅱ ) complex and interaction with DNA
KANG Jing-wan;ZHOU Hong-yan;WU Guo-fan;LU Xiao-quan

..............page:63-68

Study on photoluminescence of porous silicon with different excitation wavelength
ZHANG Han-mou;MA Shu-yi;ZHANG Guo-heng

..............page:60-62

Global geometry optimization of neutral (MgO)n clusters(n=2～20) using genetic algorithm
ZHANG Su-ling;CHEN Hong-shan

..............page:55-59

CARD based context specified weights training algorism for unit selection in speech synthesis
YANG Hong-wu;GUO Wei-tong;CAI Lian-hong;WU Zhi-yong

..............page:50-54

Double solitons solution and its collisions for the Toda lattice equation
LIU Xing-xia;DOU Fu-quan;SUN Jian-an;HUANG Lei

..............page:46-49

Jacobi elliptic function solutions to the nonlinear difference-differential equations
LI Shu-min;Sirendaoreji

..............page:41-45

Analytical solutions of cylindrical and spherical Burgers equations
SHI Yu-ren;YANG Hong-juan;DUAN Wen-shan;L(U) Ke-pu

..............page:37-40,59

An ID-based proxy multi-signature scheme
ZUO Wei-ping;WANG Cai-fen;FAN Rui;LAN Cai-hui

..............page:33-36

A scheme for reusing of legacy code in grid
GOU He-ping;FENG Bai-ming;ZOU Yan-fei;JING Yong-xia

..............page:28-32

A new proof of H(o)lder's inequality
CHENG Xi-you

..............page:25-27

Some aging properties of the residual life of a k-out-of-n systems under interval-truncated observations
ZHANG Zheng-cheng;YANG Yong-hong

..............page:23-24,104

The zero-divisor graph of rings of generalized power series
CHAO Xiang-rui

..............page:20-22

A note on two new operators in rough set theory
YANG Yong;WU Peng;LI Lian

..............page:17-19

The Hamiltonian extension of bilinear systems
JI Xing-min

..............page:13-16

The complete pseudo-umbilical submanifolds with parallel mean curvature vector in constant curvature space
LIU Jian-cheng;WEI Lin

..............page:10-12

A method of L-quasi-upper and lower solutions for periodic boundary value problems of nonlinear integro-differential equation in Banach spaces
LI Xiang-feng

..............page:6-9,16

Bounded φ-variation solution for a class of impulsive differential systems
LI Bao-lin;LIANG Xue-feng

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