1008-2727
2003 Issue 6
Keeping the Important Files Secret by Recycled Folder
liu jianjun (computer dept. ; hebei north university; zhangjiakou; 075000)
liu jianjun (computer dept. ; hebei north university; zhangjiakou; 075000)
..............page:25-27
The Analyse of the Post - examination Quah'ty of the Disciplines
wang xiuqing zheng wei (physics dept. ; hebei north university; zhangjiakou; 075000)
wang xiuqing zheng wei (physics dept. ; hebei north university; zhangjiakou; 075000)
..............page:39-44
The Status of Newton Mechanics in Physics
feng hao yang yang (physics dept. ; hebei north university; zhangjiakou; 075000 )
feng hao yang yang (physics dept. ; hebei north university; zhangjiakou; 075000 )
..............page:61-65
The Application of the Verbal Expression of the Second Law of Thermodynamics and Entropy Function
gao guijun (chemistry dept. ; hebei north university; zhangjiakou; 075000)
gao guijun (chemistry dept. ; hebei north university; zhangjiakou; 075000)
..............page:53-56
The Application of 8 Function Matching Method in Analyzing the LTI System
zhou lijie xu bin( physics dept. ; hebei north university; zhangjiakou; 075000; zhangjiakou no. 16 middle school; zhangjiakou; 075000)
zhou lijie xu bin( physics dept. ; hebei north university; zhangjiakou; 075000; zhangjiakou no. 16 middle school; zhangjiakou; 075000)
..............page:34-36
The Indirect Determination of the Acid Radical in Water with Atomic Absorption
hou zhanzhong (chemistry dept. ; hebei north university; zhangjiakou; 075000)
hou zhanzhong (chemistry dept. ; hebei north university; zhangjiakou; 075000)
..............page:69-75
The Promoting Effects of Mathematics on Economy
huang li (environmental management cadre college of china; qinhuangdao; 066004)
huang li (environmental management cadre college of china; qinhuangdao; 066004)
..............page:83-87
Count of Some Matrixes over Finite Field
han zhenfang hao mingquan( mathematics dept. ; hebei north university; zhangjiakou; 075000; the educational office of danqinghe township; kangbao county; zhangjiakou; 076650)
han zhenfang hao mingquan( mathematics dept. ; hebei north university; zhangjiakou; 075000; the educational office of danqinghe township; kangbao county; zhangjiakou; 076650)
..............page:5-11
Statistical Entropy of Schwarzschild Black Hole.
niu zhenfeng. (physics dept. ; hebei north university; zhangjiakou; 075000).
niu zhenfeng. (physics dept. ; hebei north university; zhangjiakou; 075000).
..............page:12-15
About the Payment on the Internet in Electronic Commerce
ruan ke zhang wenying (computer dept. ; hebei north university; zhangjiakou; 075000)
ruan ke zhang wenying (computer dept. ; hebei north university; zhangjiakou; 075000)
..............page:31-33
The Discussion about the Preparation Condition of Grignard Reagent
sun xilong (chemistry dept. ; hebei north university; zhangjiakou; 075000)
sun xilong (chemistry dept. ; hebei north university; zhangjiakou; 075000)
..............page:16-19
A Method of Protecting the Password in VFP
feng suqin ruan ke (computer dept. ; hebei north university; zhangjiakou; 075000)
feng suqin ruan ke (computer dept. ; hebei north university; zhangjiakou; 075000)
..............page:28-30
The Analyze of the Theory of the Electroscope
zhao jinrong yang guangxi (zhangjiakou no. 1 middle school; zhangjiakou; 075000)
zhao jinrong yang guangxi (zhangjiakou no. 1 middle school; zhangjiakou; 075000)
..............page:91-94
About the Function and Meaning of Modernized Teaching Means on the Educational Reform
xu guodong (equipment department; hebei north university; zhangjiakou; 075000)
xu guodong (equipment department; hebei north university; zhangjiakou; 075000)
..............page:66-68
Why Manganese so Reactive
yang guiling (chemistry dept. ; hebei north university; zhangjiakou; 075000)
yang guiling (chemistry dept. ; hebei north university; zhangjiakou; 075000)
..............page:50-52
..............page:47-49
The Logical Design Method of the Database Based on the Petri Net
qin fentao (computer dept. ; hebei north university; zhangjiakou; 075000)
qin fentao (computer dept. ; hebei north university; zhangjiakou; 075000)
..............page:20-22
The Total Speculation on Improving and Strengthening the Teaching Efficiency and Studying Effects of Higher Mathematics
su baishan (mathematics dept. ; hebei north university; zhangjiakou; 075000)
su baishan (mathematics dept. ; hebei north university; zhangjiakou; 075000)
..............page:45-46
..............page:59-60
The Influence of the Impurity on Magnesium in the Process of Electrolysis
wang yongli wang xiulan(chemistry dept. ; hebei north university; zhangjiakou; 075000; aerbengele six-grade primary school; zha banner; xin an league; inner mongolia autonomous region; 137624)
wang yongli wang xiulan(chemistry dept. ; hebei north university; zhangjiakou; 075000; aerbengele six-grade primary school; zha banner; xin an league; inner mongolia autonomous region; 137624)
..............page:76-80
About the Training of the Students'Creative Ability in Physics Classroom - teaching
zhang yufeng (physics dept. ; capital normal university; beijing; 100037)
zhang yufeng (physics dept. ; capital normal university; beijing; 100037)
..............page:88-90
..............page:23-24
sao miao yu zhi liang kong zhi
qian guo dong
qian guo dong
..............page:37-38
ding xing fen xi shi yan zhong chang jian cuo wu tan tao
zhu gui qin ; jiang he
zhu gui qin ; jiang he
..............page:81-82
The Analyze of the Easily - made Mistakes in the Chemical Experiments of Thermodynamics and Entropy Function
dai suzhen (chemistry dept. ; hebei north university; zhangjiakou; 075000)
dai suzhen (chemistry dept. ; hebei north university; zhangjiakou; 075000)
..............page:57-58