Journal of Northeast Normal University(Natural Science Edition) 2007 Issue 1 Boundary controllability for time-varying population system with age dependence

Boundary controllability for time-varying population system with age dependence
FU Jun;CHEN Ren-zhao

..............page:1-6

Controllability for heat equations with constrained contrl
LI Ling-fei;GAO Hang

..............page:7-12

Positive solutions to singular boundary value problems of a class of second order three-point superlinear differential equations
SHEN Wen-guo

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

The bifurcation and limit cycle of predator-prey gaining model with Holling Ⅲ functional response
CHENG Rong-fu;LI Hui

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

The rectifying developable of a nonlightlike space curve in Minkowski 3-space
JIANG Yang;PEI Dong-he

..............page:22-27

Existence theorems of solutions for variational inequalities on generalized convex spaces
PIAO Yong-jie;JIN Guang-zhi

..............page:28-31

An algorithm for rapid plan recognition by introducing inference rule
han yi ; gu wen xiang ; yin ming hao ; zhang jing bo ; chen jian

..............page:32-36

Real-time measurements on end-to-end network delay in NCS
GAO Kun;WANG Lian-ming;CHEN Hai-xia

..............page:37-40

Design of embedded WebServer based on DSP
MA Ji;QIAO Shuang;LI Dan

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

Particle swarm optimization in two orders state variable filter's design
LI Chun-ju;LI Yao;ZHANG Zhi-mei;WANG Hong-gang;QIAO Shuang

..............page:46-50

Optical properties and magnetism of ZnO nanofilms co-doped with Mg and Mn
LI Jin-hua;ZHANG Ji-ying;ZHAO Dong-xu;ZHANG Zhen-zhong;LU You-ming;SHEN De-zhen;FAN Xi-wu

..............page:51-54

Hydrothermal synthesis, crystal structure and property of a polyoxometalates with Keggin structure[Fe(phen)3]2[GeMoⅥ8 MoⅤ4O40]·0.5H2O
YU Xia;SHI Zhen-yu;PENG Jun

..............page:55-58

Synthesis and crystal structure of a novel cadmium halide compound [Cd(phen) Cl2]
BAI Xiu-li;WANG En-bo;DAI Li-mei

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

Synthesis and properties of azo-containing light-active surfactant
WANG Guang;HE Yi;LI Xiang-hui;ZHAO Ning

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

Synthesis, crystal structure and antibacterial activity of new di-n-butyl tin carboxylate
LIU Li-ping;KANG Wan-li;ZHU Dong-sheng

..............page:67-71

Studies on structure and physics luminescent properties of the novel complex N,N'-bis(o-oxy-acetale) benzylethylenediamine with zinc (Ⅱ)
YANG Xiao-cui;WANG Jing;HAN Li-yan

..............page:72-76

Theoretical study on active sites of natural iron-containing superoxide dismutase
YANG Yan-jie;ZHENG Xue-fang;JIANG Ge;TANG Qian;CAO Hong-yu

..............page:77-80

Theoretical design of high-spin biradical molecules with heterocycles as end groups
CHU De-qing;WANG Li-min;ZHANG Jing-ping;WANG Rong-shun

..............page:81-83

A research on spermatophyte flora of primary broad-leaved and Korean pine forestin Liangshui Natural Reserve
MA Yu-xin;CAI Ti-jiu;TAN Xiao-jing;SONG Li-ping;YU Xiao-li

..............page:84-90

Studies of the somatic embryogenesis in young embryos of sunflower
LIU Hai-xue;WANG Gang;JI Jing

..............page:91-96

Isolation purification and analysis on the EPⅢ of polysaccharide of Enteromorpha
WU Ming-jiang;JIAO Li-li;SUN Yong-xu;Li Tian-bao;ZHANG Li-ping

..............page:97-100

The epigenetic regulation of HOX family genes in early osteogenetic differentiation of human mesenchymal stem cells
HUANG Zhen-dong;TAN Jiang;LU Jun;HUANG Bai-qu

..............page:101-107

Effects of temperature and copper on HSP70 expression in carp serum
SHENG Lian-xi;YU Wen-guang;XU Jing-bo;ZHENG Yong-chen;WANG Yun-biao

..............page:108-113

Study on urban flows intensity of large urban agglomerations in Northeast China
SONG Yang;WANG Shi-jun;FENG Zhang-xian

..............page:114-118

The system dynamics simulation model for social economic development of region of Changchun city
GU Guo-feng;CAI Wei-ying

..............page:119-125

Application of fractal theory in forecasting the drought index in the west of Jilin Province
LI Hai-yi;TANG Jie;SI Ai

..............page:126-130

Fuzzy comprehensive assesment for carrying capacity of water resource in China
SUN Hong-yan;TANG Tie;LIU Ya-xiu

..............page:131-135

The discover of male of Clinotettix jilinensis Zheng et Ren
WANG Li-ming;REN Bing-zhong

..............page:136-137

Crystal structure of 7-(4-methoxyphenyl)-9-methyl-1,6-diazaspiro[4,4] nonan-1-one
XU Xian-xiu;LIU Jing-lin

..............page:138-140

zheng gao jian ze

..............page:封2