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Journal of Natural Science of Heilongjiang University
1001-7011
2015 Issue 1
Razumikhin-type stability theorems for unbound delay differential equations with piecewise continuous arguments
MA Shufang;LI Jia;MIN Jingxin;College of Science;Northeast Forest University;College of Shipbuilding Engineering;Harbin Engineering University;
..............page:1-5
Research on co-author network pattern of Management and Science Journal
PANG Xiuli;MIAO Nan;JIANG Wei;School of Economics and Business Administration;Heilongjiang University;School of Management;Harbin Institute of Technology;
..............page:6-14
A note on stability of nonlinear singular systems
BAO Junyan;College of Mathematics and Information Science;Hebei University;
..............page:15-18
New bounded real lemma for a class of singular discrete-time systems with two interval time-varying delays in state
ZHANG Xinghua;ZHANG Shaobing;ZHANG Xian;School of Computer and Information Engineering;Heilongjiang University of Science and Technology;School of Mathematical Science;Heilongjiang University;
..............page:19-25
Existence of positive periodic solutions for nth-order ordinary differential equations
DUN Tiaoxia;LI Yongxiang;College of Mathematics and Statistics;Northwest Normal University;
..............page:26-31
The random dirichlet series of slow growth in the right half-plane
WANG Qiong;YANG Qi;YANG Jinhua;TIAN Honggen;School of Mathematics;Xinjiang Normal University;
..............page:32-36
Reproducing kernel method for solving a class of singularly perturbed delay problems
YU Hao;LI Zhiyuan;WANG Yulan;College of science;Inner Mongolia University of Technology;
..............page:37-41
The compact pseudo-umbilical time-like submanifolds with parallel mean curvature vector in de Sitter spaces
HU Youjing;JI Yongqiang;College of Mathematics and Computer Science;Ningxia University;College of Science;Huzhou Teachers College;
..............page:42-48
Hopf bifurcation in a food chain system with time delays and Holling Ⅱ functional response
ZHU Huan;YANG Hong;ZHOU Xiaojing;College of Science;Heilongjiang Bayi Agricultural University;
..............page:49-53
Function preserving orthogonal matrix over the field of characteristic 0
FAN Yuhuan;MA Xiaofeng;TAN Lijuan;Department of Mathematics;Heilongjiang Institute of Technology;
..............page:54-57
Orderings of a class of special graphs with respect to Merrifield-Simmons indices and Hosoya indices
TIAN Wenwen;TIAN Shuangliang;GUO Min;School of Mathematics and Computer Science;Northwest University for Nationalities;
..............page:58-62
Oscillation of solutions of a class of neutral parabolic partial functional differential equations
CUI Shuli;College of Sciences;Shihezi University;
..............page:63-67
The construction and application of nanoparticulate CT contrast agents
HE Wenya;LU Lehui;State Key Laboratory of Electroanalytical Chemistry;Changchun Institute of Applied Chemistry;Chinese Academy of Sciences;
..............page:68-74
Study on photocatalytic properties of controlled growth of hierarchical flower-like ZnIn2S4 microspheres and their visible light hydrogen evolution property
CHEN Yajie;FENG Qingmao;WANG Zhenrong;Xin Jianmin;TIAN Guohui;School of Chemistry and Materials Science;Heilongjiang University;
..............page:75-83
Synthesis,crystal structure and luminescent property of mononuclear manganese complex[Mn2(C16H13O3)4(H2O)8]·2H2O
JIN Ran;XIAO Qi;FENG Chao;ZHANG Shue;ZHANG Zhuyan;College of Pharmacy;Harbin Medical University;
..............page:84-89
Investigation of the fractal self-assembly of SSBP induced by ssDNA with atomic force microscopy
XING Chunyan;ZHANG Bailin;Detecting Department;Safety Production Technological Institute of Shannxi AnKe;State Key Laboratory of Electroanalytical Chemistry;Changchun Institute of Applied Chemistry;Chinese Academy of Sciences;
..............page:90-94
The preparation and desulfurization performance of walnut shell carbonaceous adsorbent
LI Liang;LI Fen;YANG Guanghui;WEI Jin;WANG Qifei;College of Chemical and Environmental Engineering;Harbin University of Science and Technology;
..............page:95-100
Analysis of water resources vulnerability in Turpan
FU Jirui;WAHAP Halik;GUAN Jingyun;YAO Yiping;The Key Lab for Oasis Ecosystem of Ministry of Education;Xinjiang University;College of Resource and Environment Science;Xinjiang University;College of Tourism Management;Xinjiang University;
..............page:101-107
A non-negative matrix factorization algorithm based on spectral distance constrained
WANG Liguo;ZHAO Zijun;College of Information and Communication;Harbin Engineering University;
..............page:108-114
Dynamic parameters measurement of cantilever beam using fiber Bragg grating
YU Youlong;DUAN Yingying;SUN Shihui;LIU Chunxiao;Geng Shuwei;Jiang Shengyuan;Deng Zongquan;YU Dilin;School of Instrument Science and Opto-Electronics Engineering;Hefei University of Technology;School of Mechatronics Engineering;Harbin Institute of Technology;Liuan Branch;China Mobile Group Anhui Co. Ltd.;
..............page:115-118
Discriminant analysis via fuzzy support vectors
SHEN Juhong;WAN Yingying;School of Mathematics and Information Science;Beifang University of Nationalities;
..............page:119-123
Random error analysis of ground motion attenuation relationship of second generation C-B NGA
JIANG Wei;TAO Xiaxin;WANG Chuanfang;ZHAO Kai;Institute of Engineering Mechanics;China Earthquake Administration;Engineering College of Heilongjiang Bayi Agricultural University;School of Civil Engineering;Harbin Institute of Technology;
..............page:124-128
Optimized BP neural network in the prediction of electric vehicles SOC
ZHOU Meilan;WANG Jichang;LI Yanping;College of Electrical and Electronic Engineering;Harbin University of Science and Technology;
..............page:129-134
The stress analysis of star cracks in piezoelectric material
GUO Huaimin;College of Mathematic Science;Baotou Teachers College;
..............page:135-140
ben kan zhuan jia jie shao
..............page:141