Journal of Lanzhou University（Natural Sciences） 2007 Issue 2 Effect of catalysts modified with functional components on gasoline sulfur reduction

Effect of catalysts modified with functional components on gasoline sulfur reduction
SUN Shu-hong;MA Jian-tai;PANG Xin-mei;GAO Xiong-hou;LIU Cong-hua

..............page:61-64

The electrochromic effect of LiClO4 polyelectrolyte
L(U) Shu-yuan;DAI Fu-ping;FENG Bo-xue

..............page:65-69

A new method for analyzing similar-rectangular guide filled with non-uniform dielectric
CAO Bin-zhao;XU Fu-yong

..............page:70-74

The design and implementation of a failure detector in a remote disaster-tolerant system
HE Jun;DAI Hao;XIE Yong-qiang;Yang Ming;HUANG Xin-yang

..............page:98-102

On the vertex-distinguishing edge chromatic number of Pm ∨ Wn
MA Gang;MA Shao-xian;ZHANG Zhong-fu

..............page:103-106

Uniqueness of bounded Φ-variation solutions for Kurzweil equations
LI Bao-lin;SHANG De-quan

..............page:107-111

Fourier and Tikhonov regularization methods for solving a class of backward heat conduction problems
ZHANG Jun-yong;GAO Xiang;FU Chu-li

..............page:112-116

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

..............page:封3

Preparation and optical properties of solvatochromic dye-doped composite glasses
LI Guo-Zhong;CAO Du-Xia;WANG Yu-Hong;CAO Feng-Xia

..............page:140-144

Force distribution in three-dimensional granular piles
JIANG Hong-ying;LU Jin-bu;MIAO Tian-de

..............page:134-139

Thermal-elastic solution of composite with multi-coating anisotropic short fiber
OU Zhi-ying;MA Lian-sheng;LI Shi-rong

..............page:129-133

Study on the tunneling radiation characteristics of the stationary axisymmetric NUT-Taub black hole
QI De-jiang;YANG Shu-zheng;LI Hui-ling

..............page:126-128

Applications of circular coloring to the optimized design of traffic siginal phase of a class of five-direction crossroads
YIN Li-zi;LIU Jin-guo

..............page:121-125

Particle size characteristics of deposits from Pojianghaizi Section and their environmental significance
LONG Hao;MA Hai-zhou;WANG Nai-ang;LI Yu

..............page:1-6

The characteristics of later pleistocene loess-paleosol magnetic susceptibility in Yili Bason
SHI Zheng-tao;DONG Ming;FANG Xiao-min

..............page:7-10

The application of TRMM/PR to the study of soil moisture change in Tibetan Plateau
WU Sheng-li;SHI Jian-cheng

..............page:11-14

Spatial variability of soil trace elements in a arid watershed
MA Yuan;TAXIPULATI·Teyibai;GONG Lu;L(U) Guang-hui

..............page:15-19

Analysis for transmission characteristics of groove guide with arbitrary cross-section by using the method of lines
XIAO Jian-kang;WANG Zi-hua;LI Ying

..............page:75-79

Analysis of electromagnetic interference spectrum in multichip modules
XU Ru-qing;CHANG Yi-feng;YANG Yin-tang

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

A web service access control model based on role authorization
MENG Ying-jie;ZHANG Hai-bo;YANG Xi-ning;PANG Bo

..............page:84-88

Research on mobile payment system based on the signcryption algorithm
YANG Xiao-dong;ZHANG Gui-cang;MA Hui-fang;LU Hong-wen

..............page:89-91

Speaker recognition based on Fisher discriminant criterion
ZHANG Yun;LI Xin;ZHENG Yu;YANG Qing-tao

..............page:92-97

Positive solutions to singular boundary value problems of a class of second order three-point sublinear differential equations
SHEN Wen-guo

..............page:117-120

Research on the spatial leap-over development and its mechanism in the valley-city
YANG Yong-chun

..............page:20-24

Application of transient Rayleigh wave method in the exploration of Qinyu landslide
WANG Yan-tao;CHEN Wen-wu;LIU Gao

..............page:25-28

Effect of salinity on the physiological characteristics in two wheat cultivars
YANG Ying-li;YANG Ning;WANG Lai;AN Li-zhe;ZHANG Chao-qiang;YANG Jun;WANG Cun-pan

..............page:29-34

Study on diurnal changes in ecological factors and photosynthesis in greenhouse-grown muskmelon
CHEN Nian-lai;ZHANG Yu-xin;ZHU Zhen-jia

..............page:35-38

Isolation and identification of the pathogens of potato fungus diseases during storage in Gansu Province
LI Jin-hua;CHAI Zhao-xiang;WANG Di;LI Min-quan

..............page:39-42

Analysis of sparteines in the seeds of Ammopiptanthus mongolica
XIAO Wen;JIA Hui-xian

..............page:43-46

A study on the root-stem transition region and cotyledon node in oil sunflower
QIANG Ke-bin;ZHANG Xiao-qing;GUO Min;QIANG Xiao-peng;WANG Xiao-juan;LONG Rui-jun

..............page:47-52

The relationships between the niche fitness and the productivity, diversity in alpine meadow and its responses to grazing
LI Wen-long;ZHANG Yan-yu;LI Zi-zhen;DU Guo-zhen;HUANG Lei

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

Biomimetic synthesis of web-linked nanometer mercury sulfide
JIA Run-ping;YANG Jun-he;WU Qing-sheng;DING Ya-ping;LI Yong-sheng;OUYANG Chun-fa;WANG Xia

..............page:58-60