Journal of Northwest Normal University(Natural Science) 2003 Issue 1 The measurability,approximate continuity and differentiability of primitives for the fuzzy-valued functions

The measurability,approximate continuity and differentiability of primitives for the fuzzy-valued functions
gong zeng tai

..............page:1-3

Existence and uniqueness of steady state solutions for suspension bridge system
an yu kun

..............page:4-6

Asymptotic behavior of positive solutions on modelling man-environment epidemics
jiao yu juan ; xiao li ; li shao ping

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

Existence and uniqueness of the solution of terminal value problem for first-order ordinary differential equation in Banach space
wang zuo

..............page:11-15,23

Eigenvalue problem for a nonlinear differential equation on a measure chain
wang da bin

..............page:16-18

Some discussion for numerical solution of initial value problem of an ordinary differential equation
xu ying xiang

..............page:19-23

Global B-spline approximation of given data points
wang san fu ; kang bao sheng ; sun ming fu

..............page:24-26,41

Properties of periods of elements in zero-symmetric BZ-algebras
wang yong quan ; zhang xiao hong

..............page:27-31

An improved Newton iteration method and its fractal images
zhao xue feng

..............page:32-35

A new method of control multi-VCD
wang xiao niu

..............page:36-38

Synthesis and plant growth regulating activity of diaryl 1,3-phenylenedioxydiacetates
xu xian fang ; da yu xia ; li zheng ; wang xiu chun

..............page:39-41

Synthesis and catalytic performance of Ti-MCM-41
he tian xi ; mao xue feng ; ding ling ; wang zhu ming

..............page:42-45

Solid-phase synthesis of NiO nanoparticle
li sheng ying ; gao jin zhang ; yang wu ; qi you li

..............page:46-48

Degradation of p-chloronitrobenzene in aqueous solution by contact glow discharge electrolysis
lu quan fang ; yu jie ; liu yong jun ; gao jin zhang

..............page:49-53

Tubiform petal and its formation of Paeonia suffruticosa and P.lactiflora
lian yong shan ; zhao min gui ; chen de zhong

..............page:54-58

Species composition and community structure of terrestrial algae in the biological crusts of Lanzhou Northern Hill
hu chun xiang ; zhang bin cai ; ma hong ying ; liu yong ding ; zhang de lu

..............page:59-63

Study on physical and chemical contents in seeds of Trigonella foenum-graecum L.
yang yong li ; sun shuang yan ; cui de feng ; zhang yu lan ; yao jian ; zhang ji

..............page:64-65,73

Study on tissure culture and clonal propagation of Acapulco
zhao qing fang ; zeng xiao ying ; ding lan ; zuo li ping ; zhang yan ming

..............page:66-68

The city planning and city function interacts development--A case study of Shenzhen City
zhang zhi bin ; zhang xiao ping

..............page:69-73

The investigation and study on ecotourism resources in Gansu Province
he xi gang ; wei bao xiang

..............page:74-78

A study on the development trends of tourism marketing strategy
chen peng

..............page:79-81,84

The analysis of whole process of men's 200m sprint about the excellent athletes in the world
zhang lan ; yang li juan

..............page:82-84

The reflection on the football development in China
yang lan sheng

..............page:85-87

A study and evaluation of situation on multi-ability of physical educational teachers in Gansu Province
duan hai jun

..............page:88-90

The countermeasure research and current situation of school sports in poverty area of Gansu Province
yuan yin

..............page:91-92,94

A characterization of injective function and subjective function
chen xiang en

..............page:93-94

Histogenesis and control of the lung
yu shi yuan ; si ke zuo ; liu zhong hu ; wang jian lin ; wang zi ren

..............page:95-103

Progress for plant functional genomics research
yu ling ; wang lai ; niu ji shan ; chen pei du

..............page:104-112,116

SSR markers and their application in plant genetics'
wang hong mei ; zhang zheng ying ; chen yu liang

..............page:113-116

lan zhou di qu shou ci fa xian yang du jun
chen jun ; niu shi quan ; xie xin an

..............page:封三

zhi xie
xi bei shi fan da xue xue bao bian ji bu

..............page:封二