Ludong University Journal(Natural Science Edition) 2009 Issue 4 Some Theorems for the Locus of No.k Center of a Higher Dimensional Cospherical Finite Point Set

Some Theorems for the Locus of No.k Center of a Higher Dimensional Cospherical Finite Point Set
zeng jian guo

..............page:289-292

..............page:封2

lu dong da xue xue bao ( zi ran ke xue ban ) zheng gao jian ze

..............page:封3

The Temperature Characteristics of the Spatial Distribution and Temporal Evolution in China During the MWP
gao jian hui ; liu jian ; wang hong li

..............page:376-380

Analysis of Geological Landscape and Tourism Development for National Geological Park——A Case of Shehong National Geological Park in Sichuan Province
hao shu bo ; xie xiao ping

..............page:381-384

A Watermarking Algorithm Based on hyper-Chaotic
wang jing

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

Exploration of the Closed Orbits and Its Bifurcation of the Electric Particle in the Electric and Magnetic Fields with any Orientation
wang de hua ; xu zhi yan ; feng zuo yong

..............page:328-332

Automobile Fault Diagnosis Based on Remote Data Exchange and Intelligent Control System
su zi lin ; yu jing nuo ; song jin gui ; liang gui hang ; zhang shuai

..............page:321-324

Aging Population Trend Prediction Based on the Gray Recurrence Dynamic Model with Equal Dimension
shi li na ; huang han ming ; li xiao yong ; tang xian jian ; pan shi hu

..............page:315-317,332

Research of Three-tank Level System Decoupling Control Based on Forecontrol Software
lu zhong da ; zhuang shen yang

..............page:318-320

Effects on Single-mode Gaussian Beam of Glan-Thompson Prisms
wang tao ; ma li li ; wu fu quan

..............page:333-336

The Generalized Expression of Uncertainty Relations
wang li zhi ; liu sheng dian

..............page:337-340

Analysis on the Measurement of the Liquid Surface Tension Coefficient for the Liquid with Electronic Balance
wang shi liang

..............page:341-343

The Application of Parallel Genetic Algorithm in Analog Active Filter Design
wang jian guo ; wang hong gang ; chang xin hua

..............page:352-355

Synthesis and Properties of Silica-immobilized Quaternary Ammonium SO3H Acidic Ionic Liquids
liu chun ping ; liu gang ; sun lin ; wen quan wu ; liu jun shen ; hu yu cai

..............page:356-360,365

Studies on Deep Ultraviolet Transparent Conductive Ga2O3/ITO/Ga2O3 Films
liu jian jun ; zuo jin liang ; shi liang ; li ai li

..............page:344-346

Design for Wireless Mobile Hall-effect Gauss-meter
chang xin hua ; zhao feng lan

..............page:347-351

Density Functional Study on Preparation of Dimethyl Carbonate Catalyzed by Organotin Compounds
lv ren qing ; zhang ni na ; li mei rong

..............page:361-365

Determination of Trace Phenol in Wastewater with Non-ionic Microemulsion by Sensitization 4-AAP Spectrophotometric
guo zhen liang

..............page:366-368

The Comparison Between Liquid-liquid Extraction and Solid Phase Extraction of Ketamine in Urine
sun tao ; qu rong jun ; sun chang mei ; yang ai zuo

..............page:369-371,375

Theoretical Prediction of Glass Transition Temperature of 1,2-propanediol Aqueous Solution
jing jie ; qiao qing an ; jin yue qing ; mi yong juan ; chen zuo ; guo zhen liang

..............page:372-375

Application of PQ-SVD Singular Value Decomposition to the Structure of Weighted Moore-Penrose Inverse
wu qiang

..............page:293-295

Smarandachely Adjacent Vertex Totol of Graph Pm+Pn
lv xun jing

..............page:296-298,307

Approximate Solutions for Two Classes of Equations Based on Perturbation Method
cao chun jian ; ou yang cheng

..............page:299-303

An Improved Method of Targeting Robot Vision
xu zhan peng ; ma cui ling ; huang yong fang

..............page:304-307

Delay-dependent Robust H∞ Control of Uncertain Systems with Time-Delay Based on Augmented Lyapunov Functional
liu xiao mei ; wang tian cheng ; li sheng tao

..............page:308-314