Journal of Natural Science of Heilongjiang University 2009 Issue 4 Approximate solutions of hypersingular integral equations with cosecant kernel

Approximate solutions of hypersingular integral equations with cosecant kernel
MU Li-hua;DU Hong;SHEN Ji-hong

..............page:421-425

Operation of convex fuzzy mappings
LI Hong-liang;WU Cong-xin

..............page:443-444

M(o)bius transformations in Euclidean geometry and isometrics in hyperbolic geometry
LI Liu-lan

..............page:436-442

H∞ robust control for coiling temperature in hot rolling processing
HAO Zhi-hong;LI Hua-de;LIANG Jian-kun

..............page:426-430,435

Runge-Kutta type iterative methods for nonlinear equations
MA Yuan-jing

..............page:431-435

Linear operators preserving idempotence on the algebra of block triangular matrices
HE Chun-yan;CAO Chong-guang

..............page:482-485

Strong CHIP of convex sets and epi-sum regularity
CHEN Hong-bo;SONG Wen

..............page:477-481

Robust H∞ control for uncertain descriptor linear systems with time delay via memory state feedback
TAN Chong;ZHANG Rui-zhi;ZHANG Xian

..............page:458-464

Extention of the invariance of maximum likelihood estimation
SHI Guan-nan;CAI Jin-feng;WANG Yong

..............page:454-457

Ruin problems with credit risk model under the constant interest force
LIU Dong-hai;PENG Dan;LIU Zai-ming

..............page:449-453

Fuzzy approximate solution of two special type fully fuzzy linear systems
LIU Kun;GONG Zeng-tai;WANG Xin-xin

..............page:445-448

The pointwise approximation properties for the modified Bernstein operators
MA Xi-min;LI Cui-xiang;JIA Xiao-ling

..............page:469-473

On second-order sufficient conditions in abstract constrained multiobjective optimization problem with l-stable function
WANG Feng-ling;SONG Wen

..............page:465-468

The separabilities of point-closed continuous multifunction spaces
YANG Li-hua;ZHANG Hong

..............page:474-476,481

Application of radial point interpolation method to heat conduction
CHEN Yu;XIA Mao-hui;WANG De-hua;SHI Lei;WANG Zhuang-zhuang

..............page:551-554

The influence on the moiré fringe quality with the change from the optic-electro signals of the encoder
LIU Chun-xia;ZHANG Cheng-yuan;YANG Wei-wei;YI Jie

..............page:546-550

Fiber-optic dipping liquid analyzer
ZHOU Ai;JUN Yang;YUAN Li-bo

..............page:538-542

The image processing of 3D measurement based on color-encode
YUAN Hui-juan;FANG Yong;YU Jia

..............page:533-537

Research and design of the intelligent LED lighting systems
WANG Li-gang;JIAN Tian-cheng;LI Jing-jing

..............page:543-545

Study on the analytical method of the volatile halohydrocarbons in soil of chemical industry zone and its application
SUN Zhi-zhong;WANG Ya-hui;ZHANG Wan-feng;ZHAO Shu-fang

..............page:494-499

The synthesis and cloning of Adeno-as-sociated virual inverted terminal repeats
WANG Kun;GE Jing-ping;LI Mei;SUI Dong;GAO Dong-ni;LOU Zhuang-wei;PING Wen-xiang

..............page:500-503

Application of permanganate pre-oxidation technique in water treatment of China
LI Xing;ZHAO Liang;LU Shu;SHI Hui-ting;SUN Min;ZHAO Zhen-yu;LI Liang

..............page:490-493

Differential coefficient and its properties of complex fuzzy-valued function
WANG Peng-fei;YIN Feng;LIN Xiao-lin

..............page:486-489

Study on preparation of levulinic acid from rice husk by catalyzed hydrolysis of acid regulation method
YU Zhi-min;LI Xiang-kun;SHEN Guang

..............page:504-509

Electrochemical synthesis and photovoltaic properties of polythiothene/CdSe electrode
NIU Hai-jun;ZHANG Mi-lin;LAN Tian;HAO Li-na;BAI Xu-duo;WANG Wen

..............page:527-532

Synthesis and characterization of 4, 4\'-bis (2,2\': 6\', 2"-terpyridine-4 \'-phenolicmethylene) biphenyl (L1)
MA Dong-sheng;LI Wei;ZHANG Xiu-mei;LU Zhan-guo

..............page:522-526

The extended application of a TENSG Ⅵ Theoretical method for calculation of gaseous heat capacity
ZHANG Ke-wu;ZHANG Yu-ying

..............page:510-515,521

Theoretical investigation on the cyclization reaction mechanism of 6-yl-hex-1-ene radical
YU Hai-tao

..............page:516-521

hei long jiang da xue zi ran ke xue xue bao zheng gao jian ze

..............page:封3

Fuzzy direct torque control improves the stability of electric vehicle
YUAN Yi;CHEN Shi-yuan;XIONG Chun-lei;LIU Yao-ge

..............page:555-560