Journal of Lanzhou University of Technology 2003 Issue 4 Asymptotic property of positive solution to asymptotic nonautonomous Lotka-Volterra competing system

Asymptotic property of positive solution to asymptotic nonautonomous Lotka-Volterra competing system
yan xiang ping ; zhang cun hua ; zhang zhong fu

..............page:129-131

A class of boundary-value problem with singular perturbation for third-order nonlinear equations
wu qin kuan

..............page:125-128

Special matrix over completely distributive lattice
tian zhen ji ; yan ke ming ; du jian jun ; li dun gang

..............page:122-124

Blocking implied format and parallel algorithm of a class of two-dimensional nonlinear evolution equations
na shun bu he ; su zhi xun

..............page:118-121

Enlargement of new urban development space for Lanzhou
hu qin yong ; zhong tian lei ; zhao yu min

..............page:115-117

Investigation of jointing technique of CuZnAI shape memory alloy with resistance spot welding
chen xi zhang ; lei yu cheng ; si nai chao ; liu ning

..............page:15-18

Influence of flux and sulfur on YAG laser welding
K Nakata;D Fan;M Tanaka;M Ushio

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

Strengthening method for R.C. framed beams with prestressed pretension
zhu yan peng ; wang xiu li ; wang long

..............page:110-114

Multi-Scale function its application to solution of elastic foundation beams
han jian gang ; shi zhi ; huang yi ; bao zuo

..............page:107-109

Accuracy comparison of engineering methods for calculating dynamic time history response of vibration-isolated buildings
li hui ; du yong feng ;b.f.spencer jr; cao zhi feng ; he qing guang

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

Investigation of software architecture based on design patterns
zhou xiao jian ; yu dong mei ; zhang ju li

..............page:99-102

A data integration system of three-dimensional parts based on standards of STEP
zhao fu qing ; yu dong mei ; yang ya hong

..............page:95-98

A scheduling algorithm for load balancing based on semanteme
wang ji zeng ; zhang qiu yu ; yang jun xiu ; wang na

..............page:92-94

Implementation of workflow technique based on OA system
zhang qiu yu ; yuan zhan ting ; zheng yu feng ; feng tao

..............page:88-91

Analysis of the process ability in process control method
zhao miao xia ; jia jiu hong ; zheng yu qiao

..............page:49-51

Application of virtual assembly in development of accurate shearing equipments
li you tang ; sui li jie ; zhang wei

..............page:45-48

Investigation of mechanical ball milling process of MoSi2
zhou zuo ; ma qin ; guo tie ming

..............page:41-44

Compression behavior of phase interpenetrating composite with aluminum silicate rubber
cheng he fa

..............page:38-40

Mechanical properties of welded joints of fine-grained steels with softened heat-affected zone
zhu liang ; chen jian hong

..............page:19-22

Realization of asymmetric square wave in TIG welding transformers with microcomputer-controlled polarity variation
li chun xu ; zhang xue hong ; qiu lian kui

..............page:23-25

Application software PHOENICS to numerical simulation of welding process
zhang rui hua ; fan ding ; du hua yun

..............page:26-28

Measuring and analyzing system of signals in arc welding process
zhang peng xian ; ma yue zhou ; chen jian hong ; liang wei dong

..............page:29-32

Numerical simulation of temperature field in steel 1045 during its quenching
xie jian bin ; cheng he ming ; he tian chun ; wen hong guang

..............page:33-37

Distribution of propositional truth value set in [0, 1] in standard serial logic system S3
li jun ; lan zuo ; xia ya feng

..............page:132-136

Elastica of beams with extensible axis derived by elliptical integration
li shi rong ; song zuo ; zhang jing hua

..............page:137-139

Buckling analysis of annular functionally-graded plates
ma lian sheng ; zhao yong gang

..............page:140-143

Variational calculation of ground-state energy of He-atom and wave function
chen yu hong ; li yan long

..............page:144-146

Design of rotary dynamic sealing facility for electron beam welding in partial vacuum ambient
he cheng dan ; li he zuo ; xu qi jin

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

Progress in investigation of nano ceramics and their tribology
ye yin ping ; zhou hui zuo ; wang jing bo ; chen jian min

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

Investigation of method for leak detection and allocation of natural gas pipeline
li zuo ; chen xi ping ; mao hai jie ; pan wei

..............page:84-87

Investigation of beer brewage procedure by using natural antioxidant of phytic acid
shi gao feng ; wang qing ning ; yu shu rong ; yang yun shang ; lu run hua ; han chun fang

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

Investigation of filming technique of wastewater degradation with photoelectric coupling and electrochemical property of prepared film
wang you le ; zhang zuo ; zhang qing fang ; cao xiao yun ; kong xiu qin ; zhang qiong

..............page:77-79

Study of immobilized glucoamylase and industry application
zhou jian ping ; wei jia qian ; gong wei zhong ; wang zhi ye ; yang zuo

..............page:74-76

Evaluation of hydro-dynamic moment on tri-eccentric butterfly valve
du zhao nian ; wu jian

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

Risk assessment for oil and gas pipelines based on analytic hierarchy process(AHP)
yu shu rong ; li shu xin ; liu zhan

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

Flow field around intake of impeller under off-design conditions and its control
zhang ren hui ; zhang xue jing ; yang jun hu

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

Analysis of impeller design of compound centrifugal pumps with offset short blades
qi xue yi ; ni yong yan

..............page:60-63

Inquiry of mathematical model for pressure characteristics of bubble pump for pump-free lithium bromide absorption refrigeration
liu zhen quan ; wu yu ying ; zhang zhong cheng

..............page:57-59

Procession and configuration design of multi-procedure complex compound die
xin zhou ; gong jun ; huang jian long ; li wen hui

..............page:55-56

Automatic surface development of cylindrical tubular products and their processing method
wu zhuo

..............page:52-54