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Journals   A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Journal of Northwest Normal University(Natural Science)
1001-988X
2015 Issue 4
Fuzzy group congruences on eventually regular semigroups
YANG Yan;,LI Chao;,QIAO Xi-min;,LIU Xiao-min;
..............page:10-13
Dc-projective modules and its dimension under change of rings
WANG Zhan-ping;,LIANG Chun-li;
..............page:14-17
(PI)-covers of S-posets
ZHAO Mei-mei;
..............page:18-20,25
(n,m)-strongly Ding projective modules
ZHANG Wen-hui;,JIANG Ze-bo;
..............page:21-25
A kind of acoustic metamaterial w ith broadband effect
CHEN Huai-jun;,ZHAO Wen-xia;,HAO Chang-chun;
..............page:26-30
T heoretical study on level energy shift of H atom
FAN Juan;,LI Xiao-yong;,WANG Wen-hai;
..............page:34-37
A compact difference scheme for solving RLW equation
SUN Jian-an;,WU Guang-zhi;,JIA Wei;
..............page:38-41
Data transmission algorithm of opportunistic netw orks based on nodes difference
GAO Cai-xia;,QI Chang-ping;
..............page:42-45,57
Analysis of counting problems on limited stack-output
WANG Wen-long;
..............page:46-51
Preparation and properties of P (AM-DMDAAC) CB composite hydrogel as profile control agent
CHENG Shao-ling;,HUANG Chun-long;,ZHANG Ya-pei;,WU Zhen;,QU Zhi-hui;
..............page:62-66
M edicinal plant resources of Begonia in Guangxi
DONG Li-na;,LIU Yan;,XU Wei-bin;,LIN Chun-rui;,PAN Zheng-hong;
..............page:67-74
Studies on separated and determined methods of the carotenoids composition in pepper leaves
HU Yu-qin;,YU Ji-hua;,WANG Xiao-long;,WU Tian-zhen;,XIE Jian-ming;
..............page:75-80,108
One bird species first recorded in Gansu Province
CHENG Xiao;,WAN Li-xia;,LI Hong-wei;,DI Wu-jun;,NING Ying-zhi;
..............page:90-91,108
Evaluation of the level of city ecological civilization based on the theory of synergistic development
ZHANG Wen-hui;,FENG Chang-chun;,WANG Qian;,WANG Fu-liang;
..............page:92-97
Dynamics of carbon footprint in Guangxi Zhuang Autonomous Region
ZHAO Jing;,MA Cai-hong;,CHENG Shi-jiao;
..............page:98-103
T he research on the characteristics of land using change in the north of Hubei Province
SUN Xiao-zhou;,ZHOU Zhi-yuan;,LIU Shuang-yuan;,GONG Yi-fan;
..............page:109-113