Journal of Lanzhou University（Natural Sciences） 2009 Issue 6 On the size segregation of granular matter in the horizontal revolving system

On the size segregation of granular matter in the horizontal revolving system
ZHU Ji-yue;ZHANG Pan;ZHOU You-he

..............page:104-110

Relationship between species diversity and productivity of alpine meadows in Gannan Prefecture
ZHAO Lu-qiang;WANG Gang

..............page:82-86,93

Differential transformation method for solving nonlinear differential equations
LIN Bin;LI Kai-tai

..............page:132-135

Existence of solutions for second-order dynamic inclusions with boundary value conditions on time scales
YANG Dan-dan;LI Gang

..............page:125-127,135

Utilization of and research on geostatistics in soil science
ZHANG Hui-wen;MA Jian-ying;ZHANG Zi-wen;SUN Tao;L(U) Guang-hui

..............page:14-20,27

Soil erosion of Yuzhong County based on GIS and RS
GENG Hao-peng;PAN Bao-tian;WANG Chao;HUANG Bo

..............page:8-13

zai tu xu yi yi xia suan shu ping jun ya shi kan die qi quan de jia ge gu ji
li hong tao ; niu ming fei

..............page:143-144

Bacterial diversity and community at Yulong Mountains and their relationship to climatic and environmental changes
MA Xiao-jun;LIU Wei;HOU Shu-gui;CHEN Tuo;QIN Da-he

..............page:94-100

Application of spectral imaging methods in reservoir description based on seismic inversion
SONG Dai-wen;WAN Xue-peng;ZHAO Xin-jun

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

SWAT model simulation of runoff variation of Hulu River basin in Gansu Province
WEI Guo-xiao;YANG Jia-li;XU Tao;XU Xiang;ZHU Xi-fen

..............page:1-7

Quantitative estimation and spatial pattern analysis of ecological carrying capacity in northwestern China based on GIS
YUE Dong-xia;MA Jin-hui;GONG Jie;XIONG You-cai;SONG Ya-jie

..............page:68-75

Strong wind forecast for the "100 km wind zone" in Xinjiang
WU Xue-ke;LIU Bing-jie;WANG Shi-gong;SHANG Ke-zheng;YANG De-bao;TIAN Jun

..............page:62-67

Cenozoic deformation history of the western Qaidam Basin responding to the uplift of the Tibetan Plateau by restoration of the balance section
WANG Ya-dong;FANG Xiao-min;ZHANG Tao;CHI Yun-ping;LIU Dong-liang

..............page:28-35,40

Observation and analysis of aerosol optical properties in urban and rural areas in semi-arid regions in Gansu Province
HU Wen-chao;ZHANG Wen-yu;GUO Zhen-hai;SONG Jia-yao;WANG Xiao-yan

..............page:46-50

Using GIS and statistics to simulate spatio-temporal changes in groundwater level in Minqin Oasis
CHEN Liang;MA Jin-hui;FENG Zhao-dong;ZHU Xiao-yan

..............page:21-27

Identifying characteristics of shallow lake and deep lake of Yanchang formation depressed type lacustrine basin in Shanbei area
PANG Jun-gang;LI Wen-hou;XIAO Li

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

Impact of neighborhood effects on adaptive plasticity of plant height under light competition environment
CHEN Shu-yan;ZHANG Jia-lin;JIA Peng;XU Jin;WANG Gang;XIAO Sa

..............page:76-81

lan zhou da xue xue bao ( zi ran ke xue ban ) zheng gao jian ze ji tou gao yao qiu

..............page:封3

Evolutionary dynamics on regular graphs
ZHANG Hui;LI Wen-long;LI Zi-zhen;MA Zhi-hui

..............page:121-124

Joint ordering policies for deteriorating multi-item with constraints on space and investment
FENG Ying;CAI Xiao-qiang;TU Feng-sheng

..............page:136-142

Adjacent-vertex-distinguishing-edge total colorings of some join graphs
QIANG Hui-ying;ZHANG Zhong-fu

..............page:115-120

Analysis of climate characteristics of haze in Lanzhou City
MA Min-jin;GUI Dong-lin;WANG Shi-gong;SHANG Ke-zheng

..............page:56-61

Permanence of Holling Ⅲ type predator-prey system with impulse and diffusion
SHI Hong-bo

..............page:128-131,135

Structure of normal semisuperabundant semigroups
KONG Xiang-zhi;LIU Kai-zhen

..............page:111-114

Geometric distribution of the force chains in the two-dimension granular system with point defects
YI Chen-hong;JIANG Qing-yu;MU Qing-song;MIAO Tian-de

..............page:101-103,110

Characteristics and analysis of abrupt and cyclic climate changes in Suzhou District, Jiuquan City in recent 55 years
LIU Pu-xing;AN Jian-ke

..............page:51-55,61

Trehalose synthesis pathways and characterization of TreS gene in psychrotrophic Pseudomonas extremaustralis PF
LONG Feng;LI Jie;WANG Guang-peng;CHEN Xi-ming;CHEN Shu-yan;SHENG Hong-mei;AN Li-zhe

..............page:87-93