Journal of Henan Polytechnic University(Natural Science) Articles

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1Improvement and perfect way for the classification of the shape and cause formation of coal body texture161-164

2Study of elimination outburst mechanism of middle-high pressure injecting water measure in coal mine drilling working face165-169

3Measures for preventing and controlling gas in deep coal bed170-172

4Application of straight line equation to underground construction173-175

5Development of the study of continental sequence stratigraphy in China176-182

6Correlation of the Permian coal seams and stratigrapy in Zhengcun coal wells of Xin'an coalfield183-186

7Vibration analysis of the high-speed cam mechnism when activated by simple harmonic motion187-189

8Implementation of automatic transformation between new and old sheet numbers of topographic maps190-192

9Establishment of information system of programming for land with exploiture and trim based on VB193-195

10Anti-disturbance measure of PLC control system of phosphorus blending196-199

11Research of the application dynamic NN self-origanization fuzzy control to the AC speed adjustment system200-204

12Tensile test methods for rock materials205-208

13A preliminary discussion of deep foundation pits adopted soil nailing through the orthogonal numerical simulation experiments209-212

14Influence of grain gradation of coarse aggregates on concrete strength213-215

15Discussion and control measures of the damaged asphaltum concrete road216-219

16Analysis of atmosphere environment bearing capacity in Jiaozuo city220-223

17Study on mechanism of filling nitrogen and infusing sodium sulfite to wipe off oxygen erosion in terrestrial heat system224-226

18Analysis on the pollution source of the Seventh Water Plant of Jiaozuo city227-230

19Solution to high-speed curvilinear movement for robot231-233

20Design of the reverse proxy program in the platform of Windows234-237