Journal of Hebei University(Natural Science Edition) 2001 Issue 3 Evolution of Information Query on the Web

Evolution of Information Query on the Web
xu lin zuo ; yang wen zhu ; zhang shao hua ; xue wen ling ; li tian zhu

..............page:347-354

Role of Light in Plant Development
liao xiang ru ; zhang lei ; xu jing zhi ; du jian fang

..............page:341-346

Recent Advances in Synthesis of 1,1-Binaphthol Compounds
zhang zhan hui ; li tong shuang ; wang ji ye

..............page:333-340

Determination of Wilforine in Tripterygium wilfordii Hook f by Nonaqueous Capillary Eletrophoresis
song xiu rong ; zhao jing xiang ; yang geng liang ; sun han wen ; yin jun fa ; han ya hui

..............page:330-332

Classification of 3_Dimensional Lie Triple Systems
shi hui feng ; zhang zhi xue

..............page:328-329

Technique of Handling Sound File with Authorware
liu li hua ; liu shi pu

..............page:325-327

A Different Protect Ability Code Made from Circle Code
zhang suo liang ; wang lan xun

..............page:322-324

Joint Trajectory Planning with Minimal Load Distribution for Dual-Arm Robot
chen an jun ; cai jian le

..............page:316-321

Relationship Between Soil Fertilities and Larix principis-rupprechtii Communities in Successional Stages
hou yong ; wang gui qing ; zhang liang

..............page:310-315

Three New Species of the Genus Steatoda from Guizhou (Araneae: Theridiidae)
zhang jun xia ; chen hui ming ; zhu ming sheng

..............page:305-309

Investigation of Artificial Conditions for Breeding Rana Chensinesis in Metamorphosis
cao yu ping ; ren shan shan ; he kai yu ; zhang zhao ; wang da wei

..............page:303-304

The Beetles of Tribe Platyopini in China and Description of Two New Species(Coleoptera:Tenebrionidae)
ren guo dong ; dong sai hong

..............page:296-302

Quick Determination of Camphora , Mentholum,Borneolum in Traditional Chinese Rubber Electuary Medicine with Capillary Gas Chromatography
yan zheng ; liu shu bin ; ge xu sheng ; liang zeng chi ; huang ping xia ; feng tian zhu ; zhou wen ying

..............page:291-295

Determination of the Active Components in Artificial Cordyceps by Capillary Zone Electrophoresis
li hai ying ; yang geng liang ; wang de xian ; liu hai yan ; li bao hui

..............page:287-290

Determination of Silver in Chinese Herbs by Derivative Atom Trapping-Flame Atomic Absorption Spectrometry
zhang yan xin ; yuan chun gang ; gao ying ; sun han wen ; yang li li ; zhang de qiang

..............page:283-286

Crystallization Behaviour and Mechanical Properties of the Metallocene Polyethylene and Low Density Polyethylene Blends
gao jun gang ; wang cheng ; li zhi ting ; liu yan fang

..............page:277-282

Network Structure Parameters of Af-Bg Type Nonlinear Free Radical Alternating Copolymerization
hong xiao zhong ; li ming xian ; zhao min ; ba xin wu

..............page:273-276

Preparation of the Derivatives of 5-Alkylidene Babituric Acid
li jing ci ; li gui shen ; wang chun ; feng shuo

..............page:269-272

Synthesis,Sintering and Property of Nano-BaTi1-xCexO3
ding shi wen ; wang jing ; li xi mao ; qin jiang lei

..............page:264-268

Theoretical Study on Mathematical Model of Conventional and Derivative Signal for Atomic Spectrometry
sun han wen

..............page:256-263

Simulation for Hydrogen Density in Tokamak
zhang qing li ; dong li fang

..............page:254-255

Improvement on the Preparation of Mg6As2O11:Mn Phosphor
ge da yong ; xu jing zhi ; liu xiu zhen ; yang jing fa ; li tong kai

..............page:251-253

Dissociation Process of CH4 in a DC Electric Field
ma bo qin ; dong li fang

..............page:249-250

Influence of Parameters of Auxiliary Spark Excitation on the Intensity of Laser Microprobe Emission Spectrum
zhang qiu lin ; guo qing lin ; wei yan hong ; liang bao lai ; huai su fang

..............page:244-248

A Monte Carlo Simulation of Electron in Cathode Sheath of Nitrogen Glow Discharge
zhang lian zhu ; yu wei

..............page:239-243

A Theoretical Model of Rectangular Columnar VCSEL with Oxidized Apertures
wang ying long ; li hui qing ; ding wen ge ; chang lei ; sun jiang ; zheng yun long ; wang ying

..............page:235-238

Artificially Triggered Lightning and Its Application
liu xin sheng ; wang cai wei ; xiao qing fu

..............page:228-234

Discussion of Limit Cycles for a Class of Systems and Its Applications
feng han zuo ; xu rui ; yang ping hua ; liu qi ming ; wang zhi qiang

..............page:224-227

Asymptotic and Oscillation for a Class of First Order Neutral Functional Differential Equations
shi wen ying

..............page:218-223

Function Approximation Based on Neural Network
li kai ; xu yong chun ; sun cui xian

..............page:215-217

Oscillation of a Class of Higher Order Neutral Differential Equations
wang pei guang ; wang yu xin

..............page:207-214

Further Discusses on a Quasi_Measure and a Fuzzy Measure
ha ming hu ; wang rui sheng ; yang lan zhen

..............page:203-206