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Journal of Henan Polytechnic University(Natural Science)

ISTIC

PKU

ISSN：1673-9787

CN：41-1384/N

Frequency：Bimonthly

Website：none

Email：zkxb@hpu.edu.cn

Postcode：454000

Articles4024

Citations33258

Funded2932

Impact Factor：1.54

Articles

1999 No.03

Total 19 articles

Occurrence of Coalbed Methane in Coal_seam and It′s ControlsSu Xianbo, Liu Baomin

157-160

Wave Process Analysis of Sedimentary Basin and Erosion Quantity of UnconformitiesQi Yongan, Liu Guochen

161-165

Study on the Destruction Laws of the Cover Rocks of the Thick Coal_seam by Different Mining MethodsYin Zengde, Li Wei, Wang Zongsheng

166-168

Mathematical Models of Unstable Air Pressure Field and Unstable Temperature Field and Heat_pressure Calculating of Three_dimension in the GoafDu Liming, Yang Yunliang

169-173

Crey Prediction of Catastrophe About the Occurance Date of Working Front Roof AccidentsJia Mingkui, Wang Yongjian

174-177

An Experimental Study on the Prediction of Formation Drillability and Rate of Penetration by Sonic Log DataLi Zukui, Li Chuncheng, Yuan Yongsong, Yan Jing, Zhai Yinghu, Wang Kexiong

178-181

Design of Hardware on the Chebyshov Neural NetworksLiu Zurui, Zeng Zhezhao

182-184

Soft Surrounding Rock Mass Control Technology on High Cut in Fully_mechanization FaceWu Shiliang

185-188

Breaker Line Management and Working Effect Research in Unstable Roof Working FaceFeng Xiwen, Wang Guangping

189-192

A Speedy Construction in the Baserock Section of the Vertical ShaftsLi Yinqiao, Lan Yusheng, Li Zhenfeng, Wu Shuli

193-196