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Journal of Hebei Normal University(Natural Science Edition)
1000-5854
2003 Issue 2
Calculating on the Maximum Sustainable Yield of Hebei Province and Some Sustainable Suggestions
wang li yan ; wang wei ; gao wei ming
..............page:198-202
Study on the Anti-decrepit Effects of Purslane
zhang wen dian ; yao gang qian ; zhang li ping
..............page:195-197,216
Research on Immature Embryo Culture of Maize
qi xin ; zhao ying jun ; hu wen he ; wang yu lan
..............page:189-191,206
The Oscillation of Nonlinear Neutral Difference Equation with Multiply Delay
sun xi dong ; lv xiao jing ; liu yu jun ; li fu mei
..............page:109-112,129
The Existence and Asymptotical Property Nonlinear Neutral Difference Equation with Multiply Delay
li fu mei ; tian yu ; liu yu jun ; sun xi dong
..............page:113-115
Existence of Positive Solutions for Even Order Neutral Difference Equations
dong wen lei ; yang jian fa
..............page:116-122,137
Decompositions and Optimal Packings of Kυ into the Graphs with Seven Vertices and Seven Edges
gao yin zhi ; zuo hui juan ; liu yi fen
..............page:123-126
Existence of K2s,2t-designs
tian zi hong ; geng jian min
..............page:127-129
An Answer to Kartsatos' One Open Problem and Its Application
gao gai liang ; zhou hai yun ; chen dong qing
..............page:138-140
Teleportation of Multi-particle Entangled Coherent State
qiao jian sheng ; zuo feng li
..............page:141-143
Effect of Discharge Temperature upon Active Species(N+ , Nf)
he zuo ; zhang lian zhu ; kong ling yi
..............page:144-146,151
The Simulation of Strong Electromagnetic Pulse
sun yong wei ; wei guang hui ; wei ming ; tian ming hong ; xue jun
..............page:147-151
The Spacetime Curvature Produced by Intense Laser
yang yan xin
..............page:152-155,159
The Preparation and Characterization of Rutile TiO2 Nanocrystal
zhang yan feng ; lin yu long ; jia zhen bin ; wei yu
..............page:156-159
The Effect of the Electrolytic Solution Concentration on the Corrosion Protection of ODT SAM for Copper
cui wei zhen ; ding ke qiang ; huo li ; wang qing fei ; tong ru ting
..............page:160-162
Quantitative Determination of Isoniazidum in Isoniazidum Tables by Unspectrophotometry
qiao lan xia ; gao zhi guo ; xing qiu rui
..............page:163-165
A Technology of pH Focus Membrane Separation of Glycine
hu wei guo
..............page:166-168
Preparation and Application of 1,1 '-binaphthyls with Non-identical Groups in 2,2'- positions
zhang zhan hui ; mo li ping ; liu qing bin
..............page:169-175
A Method to Detect Phoxim Residue by Analyzing the Inhibition of Cholinesterase
hou xue wen ; he yan biao ; xu han hong
..............page:181-184
The Structures and Functions of the Nucleus Tractus Solitarius
huai rui tuo ; niu li jing ; guan zhen long
..............page:185-188