Journal of Henan Polytechnic University(Natural Science) Articles

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1Methods and its application of regional prediction of coal and gas outburst on unstable thick coal seam with soft roof,soft coal and soft floor377-380

2Application of neural network in the coal and gas outburst prediction sensitive indicators381-385

3Research the gas deposit law based on delineation gas-geological unit——take B2 seam in Xuehu coal mine as an example386-390

4Coal mine coal and gas outburst risk evaluation of the 14151 working face in Xinan391-394

5Experimental study of support technology of combined suspension support with whole roof beam395-398,409

6Classification and genetic analysis of ripple marks on Yunmengshan Formation of Yuntaishan world geopark,Henan province399-403

7Analysis on the metallogenesis in the depth of Tieshanhe ore district in west Jiyuan,Henan province404-409

8The role of ancient volcanic crater of ore-controlling structure and exploration direction in south of Song county410-413

9Rational Determination of Time Interval of Data Processing in Monitoring Based on GPS414-419

10A Method for DEM creating based on AutoCAD graphics file420-423

11Research and application of mobile GIS with J2ME and SVG424-428

12The study of synergism improved design experimental on reciprocating refrigerating compressor429-432

13The method to acquire the mine shaft coal bin coal level image433-436,441

14The realization of OPC server for Yanhua PCI_1680 communication card based on the toolkit437-441

15The study of tracking maximum power point based on DSP in solar arrays442-445

16Rock blasting model experiment for double boreholes with cylindrical charges446-453

17The present state and prospect on the technology of enhancing magnetism of coal-derived sulfide minerals454-460

18Study on quick pretreatment of coal heating effects on caking property461-466

19A algorithm for generalized geometric programming with nonequality constraints467-471

20The Existence Relation and Judgement Theorem of Fixed Points and the Stationary Points472-474