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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

2023 No.03

Total 23 articles

Study on motion equations and technical parameters of borehole restoration for self-propelling drillLIU Yong, DAI Shuo, WEI Jianping, GUO Xinhui, YUAN Yongwang

1-9

Research on development characteristics and influencing factors of non-condensable gas assisted SAGD for Canadian oil sandZHANG Yanyu, WANG Xin, SUN Xiaofei, WANG Chengsheng, SUN Jun, REN Shuliang

10-17

Borehole wall instability mechanism of gas drainage in-seam borehole under disturbance of drill pipe drillingHAN Xiaoming, LIU Bingyu, XUE Liubing, ZHANG Xiaoming

18-26

"Three Zones" division of spontaneous combustion in goaf of inclined coal seam and countermeasures for fire fightingLIU Debao, HAN Ying

27-33

Experimental study on phase frequency spectrum curve of hydraulic fracturing coalCHU Tianqing, LEI Dongji, YAN Jiangwei, CHEN Xinyuan, LI Jian, ZHOU Meng

34-41

Study on the influence of water losing on crushed coal porosityCHU Tingxiang, SU Yuanyuan, CHEN Yuexia

42-49

Evaluation and classification of productivity in reservoirs of Qigu Formation on the Fudong Slope,Junggar BasinYU Jingwei, WU Aicheng, WANG Xin, LIAO Mingjia, QI Liqi, FENG Cheng, GU Shangxi, CAI Yu

50-58

Correlation analysis between geomorphic features and tectonic active in Batangxiang Area,Yushu,QinghaiWANG Jun, LI Jiacun, YANG Zhenyu

59-68

Spatio-temporal variation analysis of vegetation net primary productivity in Hebei Province from 2001 to 2009WANG Chunyang, ZHANG Huan, WU Xifang, DUAN Yan, LI Changchun, ZHANG Hebing

69-77,86

Research on the transformation of coal exhausted cities based on the integration of landscape and ecological functionsJI Chuning, HUANG Jiu, HUANG Guowei, RAO Xunzheng, ZHU Tingting

78-87