1000-1832
2001 Issue 1
Optimal problem of two species being harvested
simultaneously for prey-predator systems
BAI Ling;LI Xiao-yue;WANG Ke;YANG Fan
BAI Ling;LI Xiao-yue;WANG Ke;YANG Fan
..............page:1-5
Singular nonlinear second order Neumann boundary value problem
WAN A-ying;JIANG Da-qing
WAN A-ying;JIANG Da-qing
..............page:6-10
A note on preserving linear operator
GUO Xin-wei
GUO Xin-wei
..............page:11-15
The uniqueness and stability conditions of unfoldings
of equivariant two-parameter bifurcation problems
LI Bing;ZOU Jian-cheng
LI Bing;ZOU Jian-cheng
..............page:16-25
The sub-unitary matrix and the sub-mirror-image matrix
YUAN Hui-ping
YUAN Hui-ping
..............page:26-29
Newfashioned multifunctional digital timer
GUO Jing-fu;CHEN Wei-gang;LU Guo-qing;LI Wen-sheng;YUE Cheng-bo
GUO Jing-fu;CHEN Wei-gang;LU Guo-qing;LI Wen-sheng;YUE Cheng-bo
..............page:30-33
Determination of the reduced glutathione
by fluorescence spectrophotometry
GUO Li-ping;LIU Guo-liang;ZHANG Zhuo－Yong;LIU Si-dong;WANG Li-ying
GUO Li-ping;LIU Guo-liang;ZHANG Zhuo－Yong;LIU Si-dong;WANG Li-ying
..............page:34-38
The structure property and application of conductive
material of pyrolytic polyacrylonitrile
YAO Shu-hua;Shi Zhong-liang;XIE De-Min
YAO Shu-hua;Shi Zhong-liang;XIE De-Min
..............page:39-43
Research on the catalysis characteristics
of Fe(2/3)xNi1-xSO4-P2O5/γ-Al2O3
QIAO Cheng-li;ZHANG Xian-hua
QIAO Cheng-li;ZHANG Xian-hua
..............page:44-47
Extraction of cytochrome C with SEDSS/iso-octane/water
reversed micellar system
ZHOU Zi-Yan;XIE Yu-zhong;YANG Yan-Jie;CHU Ying;WU Zi-sheng
ZHOU Zi-Yan;XIE Yu-zhong;YANG Yan-Jie;CHU Ying;WU Zi-sheng
..............page:48-51
The chemistry of α-oxo ketene dithioacetals
--synthesis of 1-(1,2/3-ethylene/propylene dithio)-3-oxo-5-aryl-1，4-pentenene
JIN Ri-zhe;QI Jie;YANG Xiao-xia;MU Zhong-cheng;LIU Qun;WANG Zi-ling
JIN Ri-zhe;QI Jie;YANG Xiao-xia;MU Zhong-cheng;LIU Qun;WANG Zi-ling
..............page:52-55
Analysis content on the amino acid, vitamin
and chemical element of cerebral cell active factor
LIU Wei-ming;DOU Zhao-Hua;DONG Shun-Fu;WANG Chun-mei
LIU Wei-ming;DOU Zhao-Hua;DONG Shun-Fu;WANG Chun-mei
..............page:56-59
Study on Nocardia cellulans HD-86 deco mposing
cornstalk and corncob
LIU Dong-bo;LI Feng-min;CHEN Shan
LIU Dong-bo;LI Feng-min;CHEN Shan
..............page:60-63
Study on the water quality polluting and contributing
factors of Songhua Lake
WANG Ning;YU Shu-xia;ZHU Yan-ming
WANG Ning;YU Shu-xia;ZHU Yan-ming
..............page:64-69
QSAR of the toxicity of substituted anilines and phenols to carp
YUAN Xing;YUAN Xiao-Fan;ZHAO Yuan-hui
YUAN Xing;YUAN Xiao-Fan;ZHAO Yuan-hui
..............page:70-73
The use of artificial neural networks in QSARs
LIU Xi-tao;YUAN Xing;ZHAO Yuan-hui
LIU Xi-tao;YUAN Xing;ZHAO Yuan-hui
..............page:74-78
Air pollution and bio-control study in Chinese city
BIAN Hong-feng;LIU Jing-ling
BIAN Hong-feng;LIU Jing-ling
..............page:79-83
System dynamics method study of strategic environmental assessment
SHANG Jin-cheng;LIU Ren-zhi;ZHANG Yan
SHANG Jin-cheng;LIU Ren-zhi;ZHANG Yan
..............page:84-89
Pasibility analyses of ecoenvironment on step
development in main Heilongjiang river
SUN Guang-you;ZHAO Huan-chen;YANG Yong-Xing;YANG Fu-yi;HE Yian;XU Wen-du;TONG Bai-liang
SUN Guang-you;ZHAO Huan-chen;YANG Yong-Xing;YANG Fu-yi;HE Yian;XU Wen-du;TONG Bai-liang
..............page:90-96
Sonogram of evoked call by stimulating higher
vocal center (HVC) in songbird
LI Dong-feng;ZHAO Jing;JIANG Jin-chang
LI Dong-feng;ZHAO Jing;JIANG Jin-chang
..............page:97-100
Comparison between frightened calls and stimulating DM
nucleus evoked calls in songbirds
ZHAO Jing;LI Dong-feng;JIANG Jin-chang
ZHAO Jing;LI Dong-feng;JIANG Jin-chang
..............page:101-106
An ultrastructural study on RA (the robust nucleus
of the archistriatum) of songbird （Fringilla montifringilla）
LI Dong-feng;ZHANG Jun-li;HUO Hong-liang;HU Bo;JIAO Ming-da;CHE Li-long
LI Dong-feng;ZHANG Jun-li;HUO Hong-liang;HU Bo;JIAO Ming-da;CHE Li-long
..............page:107-109
An ultrastructural study on HVc (the caudial nucleus
of the ventral hyperstriatum) of songbirds
CHE Li-long;LI Dong-feng;HU Bo;JIAO Ming-da
CHE Li-long;LI Dong-feng;HU Bo;JIAO Ming-da
..............page:110-113
Sex differentiation of the brain and
song behavior in songbirds
ZHAO Jing;BAO Pei-hua;FAN Hai-yan;HAN Yu;LI Dong-feng
ZHAO Jing;BAO Pei-hua;FAN Hai-yan;HAN Yu;LI Dong-feng
..............page:114-117
ZENK gene and singing behavior in songbirds
WANG Hong-yu;Yang Hong-zhen;LEI Hong-wei;BAO Pei-hua;HAN Yu;LI Dong-feng
WANG Hong-yu;Yang Hong-zhen;LEI Hong-wei;BAO Pei-hua;HAN Yu;LI Dong-feng
..............page:118-121
Study on continuous process for synthesis of ethyl acetate
with organo-tin as catalysts
ZHANG Yun-feng;ZHANG Xiao-ni;ZHU Dong-sheng;LI Xiao-dong;SHAO Kui-zhan
ZHANG Yun-feng;ZHANG Xiao-ni;ZHU Dong-sheng;LI Xiao-dong;SHAO Kui-zhan
..............page:122-124