Journal of Lanzhou University（Natural Sciences） 2004 Issue 3 Auto-B（a）cklund transformation and multi-soliton solutions to a coupled KdV equations with variable coefficients

Auto-B（a）cklund transformation and multi-soliton solutions to a coupled KdV equations with variable coefficients
zhou yu bin ; wang ming liang ; wang fan ; miao tian de

..............page:1-4

Research on operator ηej,k
jin jian ming ; zhu ya li

..............page:5-8

A note on some classes of life distributions
wang she jun

..............page:9-11

On the chromaticity of 5-partite graphs with 5n+4 vertices
zhao hai xing

..............page:12-16

A study on the conveying theory of retarded adhesive mortar by screw
zhang jian hui ; xue de sheng

..............page:17-21

A study on CPP/α-TCP bone cement composites
xu li xin ; shi zong li ; shi xue zuo ; wang yan ping

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

A study of the applications of carbon nitride films
liu guang wei ; di hou ming ; feng zuo dong

..............page:26-29

Spectrum equalization based on wavelet transform for 2D non-stationary signal
zhang ming xin ; shen jun yi ; zhou geng lie ; ma hong feng

..............page:30-33

Design of a highly accurate compound ratio control system
luo zhong liang ; li xian xiang ; shi ren

..............page:34-37

Quantitative determination of proteins by Rayleigh light scattering after the optimization of the reaction with arsenazo-TB
jia run ping ; chen xiao feng ; dong li jun ; li qian feng ; chen xing guo ; hu zhi de

..............page:38-42

Synthesis of 5, 7, 4′-trihydroxy-4-styrylcoumarin
liu dong ; jin xiao ling ; wang xiao long ; cao xiao ping

..............page:43-47

Synthesis and characterization of UV-curable waterborne polyurethane-acrylate coatings
feng li bang ; su zhi xing ; guo jin shan

..............page:48-52

A study of the chemical compositions of volatile oil of Origanum vulgare L.
zheng xu dong ; hu hao bin ; zheng shang zhen ; shen xu wei

..............page:53-55

Effects of fertilizer gradients on productivity and species diversity in a degraded alpine meadow
qiu bo ; luo yan jiang

..............page:56-59

The gradient analysis of plant communities at southern Qinghai of Qinhai-Tibet Plateau
wang wen ying ; wang chun yan ; wang qi ji ; wang gang ; wang chang ting ; shi hui lan

..............page:60-65

A study on the optimization of substrate prescription for cellulase complex production by solid fermentation from Trichoderma koningii
jing de bing ; li pei jun ; guo wei ; zhang hai rong

..............page:66-71

A study on the genetic diversity of subpopulations of Hippophae rhamnoides ssp.sinensis at Ziwuling, Gansu
sun kun ; chen wen ; ma rui jun ; chen xue lin

..............page:72-75

An integrated environmental and economic accounting of Zhangye City
chen dong jing ; cheng guo dong ; li shou zhong ; xu zhong min

..............page:76-83

The discovery of Solenites murrayana L.et H.in Yaojie Coal Field, Gansu and its geological significance
yan de fei ; sun bai nian

..............page:84-88

Land use and land cover changes on the county scale-A case study of the Suzhou Oases in Hexi Corridor
meng ji jun ; li zheng guo ; wu xiu qin

..............page:89-94

The sliding mechanism of red-mudstone layer landslides
li bao xiong ; miao tian de

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

A studies of degradation of water system and some control measures in the Moon Lake of Dunhuang Region
zhang ming quan ; zeng zheng zhong ; cai hong xia ; zhao zhuan jun

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

1,1,1- san [4 -(2- an ji -6- jia ji zuo zuo ) jia zuo ji -2 - yang za ding ji ] bing wan ji qi xi tu ku wei suan yan pei he wu de he cheng yu biao zheng
tai xi shi ; liu zheng bu ; tan min yu

..............page:103-104

han liu shuang schiff jian pei he wu de he cheng yu ying guang xing zhi yan jiu
zhong xia ; liu wei sheng ; zhang yu liang

..............page:105-106

xiang ti ji fa ce ding shui - zheng shi yi wan - te ding chun san yuan ti xi de xiang ping heng
xie xiao zuo ; hou hai yun ; xiang yong sheng ; shen wei guo

..............page:107-108