Journal of Lanzhou University（Natural Sciences） 2007 Issue 3 Mineral compositions of soil in the arid and semiarid region and their environmental significance

Mineral compositions of soil in the arid and semiarid region and their environmental significance
ZHANG Ming-jie;ZHANG Yu;LI Xiao-hu;WANG Ji-zhou;MENG Guang-lu;SHI Bao-guang

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

Discovery of ophiolites belts and tectonic implication around Zhihe in the North Qilian
ZHANG Xiang;ZHANG Ben-qi;LU Qing-shan;WANG Xiao-ping;TANG Yuan;DU Lu-ping

..............page:8-12

High resolution sequence of stratigraphy and sedimentary evolution of middle-upper Trimassic in the 9th Area, Tahe Oil Field
FU Guo-min;ZHAO Jun-xin;YANG Lei;CHE Ming;LI Yuan-yuan

..............page:13-17

Visual simulation and management of groundwater in Dunhuang Basin
SANG Xue-feng;ZHANG Ming-quan;WANG Hao;QIN Da-yong

..............page:18-22

Research on the pressure-deformation capability of the foundation of gravelly soil in Luoda, Gannan
XIE Zhao-xue;CHEN Wen-wu;WANG Sheng-xin;ZHANG Guan-hong

..............page:23-26

Soil slope stability analysis based on stress optimization of a slip
L(U) Qing-feng;JI Feng-ling;WANG Shu-hua;FAN Yu-xin

..............page:27-30

Simulation of the bi-directional flow effects on the indoor walkway
WANG Zhen;LIU Mao

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

The 16S rDNA heterotrophic bacteria diversity at the zone of aration soil in the extreme arid region
ZHANG Xin-hu;SU Jian-ping

..............page:36-41

Dynamics of MODIS vegetation indices and their relationships with meteorological factors for different grassland types in northern Xinjiang
HUANG Xiao-dong;LI Xia;LIANG Tian-gang

..............page:42-47

Indirect effects of habitat destruction on model ecosystems
LI Zi-zhen;SU Min;ZHANG Yan-yu;HAN Xiao-zhuo

..............page:48-52

Spatial distribution of soil nutrients in the south-north hills in Lanzhou and the affecting factors
ZHANG Ling;WANG Xu-fang;WANG Chun-yan;ZHAO Lu-qiang;WANG Gang

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

Effects of changes in land use on plant community structure and species diversity in alpine meadows
WANG Fa-gang;WANG Wen-ying;CHEN Zhi;WANG Qi-ji

..............page:58-63

Study on soluble proteins and peroxidase isoenzymes in Scu apetalous mutant of Brassica napus
ZHOU Yun-tao;WANG Mao-lin;CAI Xue-fei;HU Yuan-hui;ZHAO Yun

..............page:64-66

First asymmetric total synthesis for the enantiomer of 1β-hydroxy-β-cyperone
ZHANG Chen;ZHENG Guo-jun;CHEN Jin-chun;LI Yu-lin

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

Preparation and study of the optical limting effect of C60/silicone resin composite
ZHANG Bing-wu;WANG Jie-bing;ZHANG Kai-feng;LI Yun-dong;GUO Jin-shan;SU Zhong-xing

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

Micro-fluidic capillary electrophoresis system with flow injection sample introduction applied to separation and determination of ephedrine and pseudoephedrine
CHEN Hong-li;ZHANG Yu-xia;CHENG Yu-qiao;CHEN Xing-guo;HU Zhi-de

..............page:74-80

Study of ZnO varistor ceramics in relation to their true bismuth content
MOU Guo-dong

..............page:106-109

A random multi-mode signal generator of imitated nuclear radiation pulse
LI Dong-cang;LI Qing;YANG Lei;YUAN Shu-lin;YANG Ying-hui;ZHANG Fu-jia

..............page:110-113

Chebyshev polynomials and formulas for a number of spanning trees in circulant graphs
LU Peng-li

..............page:114-117

Existence of solutions for p(x)-Laplacian equations without PS conditions
ZHANG Qi-hu

..............page:118-120

Existence and uniqueness of viscosity solutions in groups of the Heisenberg type
JIA Hua-bing;XU Wei

..............page:121-126

Existence of nontrivial solutions for an elliptic equation with an indefinite linear part in RN
WANG Fei-zhi

..............page:127-130

Drazin inverse of linear combination of two matrices and its application
ZHANG Jun-min;CHENG Li-hua

..............page:131-134

Primes in the doubly stochastic circulant matrices
ZHOU Ji-tuan;LU Lin-zhang

..............page:135-138

Non-linear models for tumor immunity surveillance and related variables
GUO Yu

..............page:139-144

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

..............page:封3

QSPR models for the prediction of association constants for the inclusion complexation of α-cyclodextrins of benzene based on the heuristic method and support vector machine
SI Hong-zong;YAO Xiao-jun;LIU Huan-xiang;WANG Jie;LI Jia-zhong;HU Zhi-de;LIU Man-cang

..............page:81-85

Effect of supporter on catalytic performance of fluid catalytic cracking catalyst
LIU Hong-hai;CHEN En-bo;MA Jian-tai;GAO Xiong-hou

..............page:86-89

Study on the active rodencide components of Sophora flavescens Ait
ZHANG Hong-li;YANG Qing-e;HAN Chong-xuan;WANG Ming-chun;Bu Shu-hai

..............page:90-95

Study on the degradation of CPP/PLLA composites of scaffolds for cartilage tissue engineering
WANG Yan-ping;XU Li-xin;SHI Zong-li

..............page:96-100

A study of the magnetism, magnetostriction and M(o)ssbauer of Tb0.3Dy0.7(Fe1-xAIx)1.95 alloys
ZHENG Xiao-ping;ZHANG Pei-feng;LI Fa-shen;CHENG Zhao-hua;SHEN Bao-gen

..............page:101-105