Journal of Henan Polytechnic University(Natural Science) Articles

Articles>Articles Overview

1Study on taking shotcrete precautions against gateway fire in fully mechanized mining with sublevel caving321-323

2Optimizing technical transformation plan for ventilation system of Xinzhuang coal mine324-328

3Studies on the blasting technology used to raise lump coal ratio of coal face329-333

4Investigation of selestion common comprehensive supporters in large coal mines334-337

5The significance of ecological system trace fossils——Palaeosol338-341

6The application of the ratio on brittle and tenacity terrane in the analysis of causes of fault formation342-346

7Quality supervising and evaluation in a passing water tunnel project347-350

8Development study of PC electric control device for mine hoister351-352

9The application of RS-485 communication interface in KJ93 monitor and control system of mining safety and production353-354

10Transform the twice return circuit of high pressure electrical machinary with PLC355-357

11Frequency converter to control fan speed before sinter kiln358-359

12Analysis of the Ethernets＇ Sniffer and its preventive measures360-362

13Experimental research of drilling with coatings on high speed steel drills363-366

14Design and construction of new-style pumping concrete filled steel tube367-370

15Research on the methods of reducing cement unhydrated in high strength concrete371-375

16Discussions on the problems of the jeopardization seism towords the buildings and the anti-seism of the compound structure376-378

17Several problems of the cabinets and toilets engineering design379-380

18Data processing for resove to bound site points survey381-383

19Theoretical analysis and practice on house property surveying and mapping of the joint of urban and rural in Jiaozuo city384-387

20A general solution of displacement for bending vibretion of Vlasov plates388-390