Journal of Natural Science of Heilongjiang University 2000 Issue 1 Homomorphisms between two dimensional linear semigroups over fields

Homomorphisms between two dimensional linear semigroups over fields
zhong mei ; wang lu qun

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

On oscillation of a class of second-order linear autonomous delay equations
shi gui xiang

..............page:4-8

Covariant operators pairs on Moore-Penrose inverses of matrices over O-1 Boolean algebra
zhang xian ; fu hong hai

..............page:9-12

The Fourier spectral mehod for large time problem of a class of two-dimensional nonlinear Schrodinger equations(Ⅱ)
lv shu juan ; li jie

..............page:13-15

L2(RP) frames and the analytic solution for the first kind fredholm integral equations
shi yun hui ; wang zi cai

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

NC machining on the ball-nosed and cone-sided cutter L2(RP)frames and the analytic solution for the first kind fredholm integral equations
guo jin zhu ; tang yu yong

..............page:19-21

Study on the toroidal convex milling cutter
tang yu yong ; yao qiang

..............page:22-24

Equal screw pitch edge on spherical cone rotary mill
dong zeng fu ; tang yu yong

..............page:25-27

Study on the toroidal convex milling cutter
sun chun hua ; liu hua ming ; tang yu yong ; wu chang zuo

..............page:28-29

A self-tuning Kalman filter in observable and noncontrolable stochastic system
bao bo zuo ; jin peng ; lv ji cheng

..............page:30-32

The study of design method of the general exam-question base system
wang wan xue ; ma hong wen

..............page:33-35

The development of CAI for military topography Study on designing cutting edge of helical end mills
shang xiao jun ; ma hong wen

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

Oracle database-publishing security control policy
zhang peng ; meng yang ; wang zuo

..............page:39-40

On selection of structure and equipments for campus network Oracle database-publishing security control policy
bai yi en

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

The method of building ICAI students model and extracting field knowledge
sun quan ; ning wei lie

..............page:45-47

Research for rate of usage of solar radiation for a-Si solar array in condition of low radiation
wang zuo ; wang tie liu ; hu xun

..............page:48-51

Design of external circuit for smart sensor Research for rate of usage of solar radiation for a-Si solar array in condition of low radiation
sun hui ming ; yu quan ; an xu ; bao zhi yong ; wang jin song ; fan mao jun

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

Communications on singlechip and personal computer interface of Windows95
gao zhi qiang ; kang dian zhu ; wen dian zhong ; dai wen jiang

..............page:55-57

The depth estimation of acoustic correlation log
wang hui li ; chen xi xin

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

Great scientific significance of theoretical equation of nonequilibrium of sdases and model theory of semi-metal structure of organic molecules
chen nian zuo

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

Study on blending polymer of physical plasticizing of polydilactide
li li ; yu jia ; liu yan hong ; zhang zhen yu ; liu sheng ; zhao chang liang ; li bin ; duan feng xue ; dai jian xin

..............page:65-66

The relationship of A1(2TO) optical mode and structure of La modified lead titanate crystals
fu hong gang ; zhang zhi qian ; zuo fu xue ; lu guo ming ; yu hai tao ; wang jin ying

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

Studies on the viscous fingering phenomenon in hele-shaw cell model Ⅰ.The effeet of the time on discous fingering
xie gang ; he chun ying ; han qing zhu ; chen jiu shun

..............page:70-72

Study on preparing perovskite-type complex oxides La1-xSrxFeO3 nanocrystal
chi yu juan ; yu hai tao ; li huan yu

..............page:73-75

Epoxy resin structural adhesive with high-temperature resistant of one component at intermediate temperature Study on preparing perovskite-type complex oxides La1-xSrxFeO3 nanocrystal
zhang wei jun ; li cai ling ; zhang shu lin ; shang zhi jun

..............page:76-78

The effects of phosphorus and nitrogen on the thermal degradation and char formation of starch
zhang xiu cheng ; sun cai ying ; li bin ; he guan ping

..............page:79-81

The problems in continued fermentation of alcohol with fixed yeast
jia shu biao ; li sheng xian ; zhao hui ; chen shi zhong ; yu jian dong

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

Simple discuss in the effect of psychological and social factors to the heart failure patients The effects of phosphorus and nitrogen on the thermal degradation and char formation of starch
miao ya li ; liu chun gang ; gu bao cheng

..............page:85-86