Journal of Weifang University 2001 Issue 2 Existence of limited loop for van der pol equations

Existence of limited loop for van der pol equations
XIN Yu-zhong

..............page:9-11

A Further Study on Decentralized Control for Generalized Linear Systems
JI Fa-jun

..............page:6-8

On the oscillation of solutions of nonlinear functional differential equations
FENG Bin-lu;YU Yuan-hong

..............page:1-5

dao dian de ju he wu
ma zhu qing

..............page:36-37

Research on semiconductor refrigeration technology study
DING Su-ying

..............page:38-40

STUDY ON THE SYNTHESIS OF MALEANIC ANHYDRIDE/METHYL ACRYLATE COPOLYMER AND THE HYDROLYSIS PROPERTY
SUN Xiao-ri

..............page:41-43

The calculation of solubility about microsolubility weak acid salt in pure water
LI Li-min

..............page:44-46

Study on the shoot tip culture of maize(Ⅰ) --the scanning electron microscope observation on morphogenesis of embryoids and multiple shoot clumps
LI Xue-hong;LI Dong-ling;WANG Jia-lian;YUAN Jin-xiang;ZHANG Ju-ren

..............page:47-50

tan ju gan jun yu tan ju bing
zhao guang qiang

..............page:51-52

Comparative studies on the position of extra- plant in tissue culture of jujube
ZHAO Yue-ling;WANG Han-hai;CHENG Guan-zhao;DU Yan-fei

..............page:53-54,43

hui ji wang luo xi tong feng xian tan xi
lv xiang yuan

..............page:97-98

Using DLL technology to realize data collection
ZHANG Ying

..............page:94-96

xu ni ju yu wang
jiang xiang dong

..............page:91-93

plc zai wo shi zuo chuang kong zhi zhong de ying yong
ma yun feng

..............page:89-90,85

yi kuan da dian liu kuan dian ya kai guan wen ya dian yuan de she ji
zheng zhao ju ; han ming hua ; shen wen ling

..............page:86-88

The measure to reduce yawp of gear transmission
Tian Xi-liang

..............page:83-85

dynapath xi tong xia de hui hua shi bian cheng ji qiao
du guo chen ; liu yun

..............page:81-82

Substitution in indefinite integrals
LIU Xu-cheng

..............page:12-14

A necessary and sufficient condition of the skew diagonal of linear transformation
ZHOU Zhong-wang

..............page:15-17

yi lei di tui shu lie tong xiang gong shi de qiu fa
zhang shou tian

..............page:18-20

guan yu duo xiang shi li lun zhong de chu deng bian huan fa
wang xin min

..............page:21-22

niu dun -- lai bu ni zi gong shi de tui guang
li xin ming

..............page:23-24

Magnetic properties of Fe/SnO2 amophous multilayers
WANG Jun-hua

..............page:25-27,20

How the concepts of space and time entered the classical mechanies
TAN Kun

..............page:28-30

Another thinking on relative motion
WANG Xi-qing

..............page:31-32,8

gu ti re rong liang de tao lun
cao yun qin

..............page:33-35

Discussion about undergraduate education
Wang Ji-peng

..............page:99-101

Hair selenium determination and it's clinical significance in patients with hepatic carcinoma
LIU Hong-qi

..............page:117-118

wei fang di qu 2978 ming da xue sheng kou qiang diao cha bao gao
wang li ; gao chuan hou ; sun jie ; qiao rui ke

..............page:119-120

zuan chuang jia ju dui dao wu cha de shi tai fen xi
jiang jun sheng

..............page:78-80

chong tian lu fei qi de tuo liu chu chen
wang shu jie ; li ping ; zhang pu qing ; he li ping

..............page:74-77,93

Design of fuzzy controller of piezoelectric micro- positioning servo system
WANG Qing-ming

..............page:70-73

zhong guo jin fa zuo shu zhi wu zuo zi xing tai yan jiu
liu hui lian

..............page:68-69

The application of laboratory animal to the study of medical biology
XU ZhenJun

..............page:65-67

da dou zai sheng dan bai zhi xian wei de te xing ji fa zhan qian jing
du zeng ju ; yue de mei ; wang chuan cheng

..............page:63-64

The genetic mutation of the mitochondrial DNA and the maternal inheritic diseases
LI Dong ling

..............page:60-62

Discuss multifunctional enzyme superficially
LI Tao

..............page:58-59

Research on edible of flowers and develoqdpment
MA Chengliang

..............page:55-57

ka wen di shi shi yan shi ren cai pei yang cheng gong jing yan de jie jian he qi shi
xu guang shan ; miao zhong shu

..............page:102-104

"can yu shi " jiao xue you li xue sheng neng li pei yang
xu lian xiang

..............page:105-106

The development of soft volleyball and its value
LI Lu-tian;LI Rui-jun

..............page:107-109

qian tan xue xiao ti yu gai ge ying zou zheng ti gai ge de lu zi
zhao jian

..............page:110-112

How to improve the effect in the first reception training
GU Hong-bo

..............page:113-114

qian tan xue xiao ti yu yu zhong shen ti yu de guan xi
qi yu yong

..............page:115-116