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Journal of Northwest University(Natural Science Edition)
1000-274X
2004 Issue 4
Continuum hypothesis and main contributors
ren xin xi
..............page:499-502
Analysis of urban tourism image and its main factors
li rui
..............page:494-498
A study on synthesis of 1,2,4-triazoles by amide acetals
wang cui ling ; liu yi feng ; zhang juan ; huang jing
..............page:433-435
The identification of functional forms of nitrogen in Tongchuan lean coal by FTIR
yan xiao ; che de fu ; xu tong mo
..............page:429-432
Effect of the different strontium raw materials on the preparation of (Sr, Pb) TiO3 in Sol-Gel process
zhao li li ; fan li na ; tian ze ; yan jun feng ; wang xue wen ; zhang zhi yong
..............page:422-424
Some properties about the weak J-space
wang xian hua ; wang yan geng
..............page:383-385
Image hiding algorithm of harmonic amalgamation based on wavelet transform
xu yong feng ; zhang shu ling
..............page:386-388
The algorithm of information hiding based on comparing the value of post media
wang bing ; zhang zhong xuan
..............page:389-393
Single well production prediction was calculated by material balance with compensation
yang ling ; gao zuo xin ; sun wei
..............page:469-472
Depositional feature of Chang 6 Oil-bearing bed of Yanchang Formation in west Ganguyi Oilfield, north of Shaanxi
pang zuo ; guo de yun ; zhao jing zhou ; li rui ; liu shu guang ; zhang xin chun
..............page:465-468
Fine strata classification and correlation of Chang 6 oil-bearing formation of Yanchang Formation in Ansai Oilfield
zhao hong ; dang ; jin wen qi ; yang xiao qi ; liu gui ping ; zhang hong min ; dang yong chao
..............page:461-464
A new linguliform brachiopod from the Chengjiang Lagerst(a)tte
zhang zhi fei ; han jian
..............page:449-452
A study on immunocytochemistry of sex steroid hormones of ovary of the Rana quadranus
lei xin ; zhang yu hui ; li ya lin
..............page:446-448,464
Protoplast formation and regeneration of γ-linlenic acid producing starins of C.echinulata
xiong ben tao ; wang wei wei ; sun ji min ; hou xiao juan
..............page:439-442
A study on degradation of chitosan in near-critical water and distributing orderliness of products
gao hao qi ; xu liang feng ; yang jian ping ; chen kai xun
..............page:436-438
Closed-loop control system based on single neuron PID controller
zhu xuan ; hou yu qing ; peng jin ye ; li yan ; wu tao
..............page:413-416
Experimental study on strain sensing sensitivity enhancement resulting form coated coupling
zhou hong ; qiao xue guang ; wang hong liang ; jia zhen an ; wei zuo
..............page:409-412
Research on a SOAP based EPR system
yan jie ; fang ding yi ; zhou qiang
..............page:399-403
Data compression and denoising using data adaptive scalar decomposition transform
wang xia li ; zhu xiao dong ; zhou ming quan ; geng guo hua
..............page:394-398