Journal of Yanan University(Natural Science Edition) 2014 Issue 2 Uniqueness and Existence of Limit Cycle of a Class of Cubic System

Uniqueness and Existence of Limit Cycle of a Class of Cubic System
BU Ling-jie;,DOU Ji-hong;,LIU Meng-meng;,XING WEI;

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

Approximate Solutions of Time-Space Fractional Diffusion Equation By Homotopy Analysis Method
TAN Lu-yun;

..............page:6-9

On Integer Solution of the Diophantine Equation x3+1=Dy2
DU Xian-cun;,LIAO JUN;

..............page:10-12

Nature of Operator Dn+p-1 on Meromorphic p-Valent Starlike Functions
YANG Lian-bo;,YUAN YUAN;

..............page:13-15

Conditions of h-1 Preserver Some Independent Languages
LIU LI;

..............page:16-17

Effects of Time Delay on Cyclical Neutropenia Dynamic Model
ZHUANG Ke-jun;

..............page:18-20,24

Application of Complexity Coefficient in Dummy Variable Regression Analysis
TAO Xiang-rong;

..............page:21-24

Research on P2P Network Mass Communication Tree Algorithm
WANG XIN;

..............page:25-27,30

Investigation of Measuring Acceleration of Gravity by Simple Pendulum
SHENG HONG;

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

Synthesis and Antibacterial Activities of Cu (Ⅱ) and Co (Ⅱ) Complexes of 2-Furaldehyde Benzoylhydrazone
SONG BIN;,XU Shou-Wei;,YANG Zi-Yuan;,ZHENG Chang-Zheng;

..............page:31-35

Process Property-Tridimensional Evaluation of Relative High-Quality Reservoir Based on Grey Center-Point Triangular Cluster
HUANG Jin-la;,LIU Cheng-chuan;,ZENG YAN;,ZHANG Shao-nan;

..............page:36-40

Study on Accumulation Characteristics by Hydrocarbon Inclusions in Huangqiao and Jurong Area with the Context of Polycyclic Sedimentation
HUANG Yan-ran;,XIAO Zhen-hui;,YANG Rong-feng;,ZHAO Shuang-feng;

..............page:41-45

e er duo si pen di zhi dan di qu san die xi yan chang zu chang 7 you ceng zu chen ji xiang yan jiu
li tian yuan ;, wang jian min ;

..............page:46-49

shuang he you qu yan chang zu chang 6 you ceng zu chen ji xiang yan jiu
li rui ;, wu fu li ;

..............page:50-52

Practice and Cognition of Waterflood Development in Chang 7 Ultra-low Permeability Reservoir of Pujiagou Oil Region in Ordos Basin
CHEN Xi-pan;,GONG Jia-shun;,NING TAO;,ZHANG Peng-yan;

..............page:53-57

Distribution of Residual Oil and Development Policy of the Small Complex Fault Block Field in Subei Basin
CHEN Xiao-Zhe;,CHU Qing-Zhong;,LI HUI;,LIANG Wu-bin;,SHAO Xian-jie;,WU ZE;

..............page:58-62

Practice of Interwell Tracer Technology in Xiasiwan Oilfield
CHEN Li-jun;,LI Shi-kai;,WANG Jun-ming;,YANG Yun-xiang;,ZHANG Feng-bo;,ZHANG Ming-qin;

..............page:63-66,69

hai yang kan tan da chuan zao yin shuai jian yan jiu
jiang dan ;, li jun jun ;, ma zhi guo ;

..............page:67-69

Rice Straw and Cottonseed Hulls Cultivation of Phoenix-tail Mushroom
CNEN mei-yun;,YAN Xi-hai;

..............page:70-75

Research on Five Sense Design of Healing Garden
GAO JIE;

..............page:76-79

shan bei ti yu wen hua yu yan an shi xue xiao ti yu ke cheng zheng he de yan jiu
ma hong wei ;

..............page:80-83

lun he xie she hui shi jiao xia xin sheng dai nong min gong ti yu duan lian de xian zhuang ji dui ce yan jiu
zhang hong ling ;, zhang zhi ying ;

..............page:84-86

yan an shi quan min jian shen lu jing gong cheng jian she xian zhuang diao cha fen xi
shen chang liang ;, xue ya dong ;, xue yu ;, zhao jin lin ;, zheng bing ;

..............page:87-92

shan xi sheng ti yu da xue sheng she qu zhi yuan fu wu ji li ji zhi yan jiu
jia jin lun ;, li shi rong ;, meng xiang le ;

..............page:93-95

Relationship between Career Decision Self-Efficacy and Well-Being among Undergraduates
REN Peng-fei;,ZHANG Hong-ling;,ZHENG Yi-fei;

..............page:96-98,101

hong se ti yu dui tui dong yan an shi quan min jian shen de shi jian yan jiu
zhang hong ling ;

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

A Study on the Relationship between Resilience and Coping Style of College Students
WANG WEI;,YANG Cai-xia;

..............page:102-105

yan an da xue ti yu jiao yu xun lian zhuan ye yan jiu sheng xue shu kun huo fen xi yu dui ce
chang bao rong ;, wang ping ;, zhou zi yu ;

..............page:106-108

yan an shi you er yuan kai she lun hua ke de ke xing xing yan jiu
liu qiu mei ;

..............page:109-112