Journal of North China Institute of Science and Technology Articles

Articles>Articles Overview

1On modernization of china work safety1-5,10

2On mine water resources and the optimal allocation of water in mining area6-10

3Application of blowout control equipment on rock cross - cut coal uncovering11-13

4Study on the laws of the mine pressure appearance of the large tilt angle compound mining in Ⅱ661 Work Face of Liuqiao Coal mine14-17

5A structure design for temporary hydraulic support of tunnelling working surface18-20

6Conclusions compared using Singularity -point Couple JR and Positive -negative Phase JR for distinguishing rock from coal21-24

7Discussion on tunnel rock burst characteristics and construction method25-27

8Study on some key problems of the grid - connected main ventilator in the deep reconstruction and extension at Kongzhuang Mine28-32

9Primary exploration onthe .motion law of solid bulk materia of waste rock thrown in large aperture vertical line33-35

10Study on protection layer exploiting technology and press released area of wugou coal mine36-39

11The study of supporting parameter design of bolt in the coal tunnels of Yujialiang coal mine40-43

12The energy consumption and effective energy saving measures in coal preparation plant44-46

13The influencing factors analysis of direct liquefaction product of YuXian Bituminous Coal47-49

14Design and application of supporting for the stand of concrete -filled steel tube50-54

15Research of mine lead- acid batteries electrical locomotive traction control system based on DSP55-59

16The mathematical model of the motor drive current based on considerable measure60-61,73

17Design on motor＇ s power factor controller based on Single - chip Microcomputer62-63

18traveling- wave differential protection for EHV line with series compensated capacitor64-66

19Design of electric locomotive auxiliary power supply system phased circuit67-69

20The design and realization of giant magnetostrictive actuator＇ s temperature control system70-73