Journal of Henan Polytechnic University(Natural Science) Articles

Articles>Articles Overview

1Probe into the problems of methane drainage in China's coal mines and its countermeasures241-246

2Changes and influence of temperature during electromagnetic modification of coal247-249

3Strip mining technology performed by No.1 Coal Mine of Xinfeng Coal Mining Bureau250-251

4Audio frequency electric perspective exploring water technology performed in coal mines252-254

5Experimental study on ground subsidence laws of room mining255-258

6Study on the system of prediction and analysis of mining subsidence259-261

7Quantitative measures based on Voronoi region for spatial information of maps262-265

8Study on the response of buried pipeline during running tunnel excavation266-268

9Problems of simulating reinforced concrete component with ANSYS and its countermeasures269-272

10Ventilating system improvement of silica hydrated workshop in Jiaozuo Cryolite Factory273-275

11Several problems on manpower digging-hole stake in construction and its solving schemes276-278

12Construction on object-oriented knowledgebase of engineering machinery hydraulic systems279-282

13Analysis of shafts misalignment fault in rotary machine283-285

14Selective procedure of change gears of general hobbing machine286-288

15Application of dot matrix LCD module to electronic actuator289-292

16An accurate method in Gram matrix of the criteria of observability in linear system293-295

17The prevention and treatment measures for the ferromagnetic resonance of the transformer substation296-298

18Discussion on principle of portable device used in measuring the wavelength and intensity of the light299-300

19Research on the management information system of tax receipt for export tax rebate301-303

20Key problems in implementation of office automation system304-306