Coal 2007 Issue 6 Reasons Analysis and Anti-measures to be Taken for Unformed Roadways of Soft Rocks

Reasons Analysis and Anti-measures to be Taken for Unformed Roadways of Soft Rocks
wang feng ming ; zhao jian jun ; li ming ze

..............page:53-54

Selection and Application of Header for the Roadway Driving in Coal Seams
SONG Zhong-ming;HE Li-xin

..............page:55-56

Study on the On-line Supervision System of the Main Fan in the Jining No.2 Coal Mine
ZHENG Guang

..............page:57-58

Installation,Testing and problem-shooting of the Soft Start Unit with Viscous Liquid
LIU Jing-tao

..............page:59,62

Research on Mining Method for the Existed Mined Area in Old Mine
LOU Yan-hui

..............page:60,62

Application of Transducer in the Water Drainage System of the Power Plant
HONG Hai-bin

..............page:61-62

Study on the Standard of MT/935-2005《Universal Technical Conditions of Kulun Sulfur Tester》
ZHENG Wei

..............page:63,65

Study on the Problems and Related Out-measures Normally Occurred in the Testing of Carbon and Hydrogen Contents in Coal
LI Xing-li

..............page:64-65,67

Application of the New Type of Heater with Circulating Water in the Gas Extracting System
zhou lian chun ; li feng mei ; wang yao hui

..............page:38-39

Interface Design of Area Communication Net in Coal Preparation Plant
SONG Guo-fa;WANG Dong

..............page:37,39

Application of Large Diameter Pressed Heavy-medium Cyclone for Two Products in The Dongqu Coal Preparation Plant
wu jian guang ; li qing shan ; cheng cui xian

..............page:35-36

Application of the VM1400 Type of Centrifuge and Heavy Medium Cyclone in the Circulation System
WANG Li-jie;QIN Ping

..............page:34,36

Application of XD3032G Jig in the Coal Preparation Plant of Shuangyangshan Minig Group
SHEN Hong-yan

..............page:33,36

Effect of the Quality Variation of Raw Coal on the Consumption of Flocculation Agent
BIAN Jun-qing

..............page:32-32

Application of Pressed Filter in the Treatment of Coal Proto-slurry
HAN Yao-qin

..............page:30-31

Introduction to the Centralized Control System in the Coal Preparation Plant of Baishan Mine
KONG Wei

..............page:29,31

Application of Quality Variation Control Diagram and Standard Allowance In the Coal Washing Process
SHEN Bao-guo

..............page:27-28

Feasibility Study of Reconstruction of the Filtration System in the Coal Preparation Plant
LIANG Wang-li

..............page:26,28

Inscription

..............page:插1-插2

Study on the Necessary of Speed-up the Construction of Coal and Power Integration Projects in the Areas with Rich Water Power Resources
NIU Chen

..............page:1-4

The Situation and Market developmnet of the Coal in the Russia
hua hui ; gao wen liang ; ma yun shui

..............page:5-6,9

To Compare Effects of Two Method on Coal Quality and Economic Results between the Fully-mechanized Mining with Roof Caving and the method of One-time Cutting Whole Height
YU Chun-hui;TONG Da-guang;ZHANG Jian-zhong;WANG Ge-liang;LIU Wei-geng;FENG ji-quan

..............page:7-9,17

The Situation and Development of the Roadway Supporting in the Soft Rock of Coal Mines
FU Rong;FAN Ming-jian

..............page:10-11,73

Sales Straitigy and Market Prospect of Coal of Tiefa Coal Group
zuo da guang ; zuo chun hui ; zhang jian zhong ; zhang lin

..............page:12-13

Problems and Out-measures Related to Import Coal from the North Korea
qu xue jun ; liu jian zhong ; su li qing

..............page:14-15

Reason Analysis and Treatment Methods for the Heating lost of the Power Coal
ZHAO Ji-yun

..............page:16-17

Introduction to the New Type of Jig with Higher Efficiency
ma ji zhong ; wang qiang ; kong xiang zuo ; yang hai

..............page:18-19

Evaluation to the Separation Results of the Jig in the Coal Preparation Plant of Changcun Mine
WANG Guang-xin

..............page:20,22

Application Comparison between the Pressed Filter and Frame Press Filter
XU Ren-feng

..............page:21-22

To Lower the Moisture Content of the Clean Coal,To Increase the Economic Result
LIU Bao

..............page:23,25

Application of the TBS Slime Separator in the Treatment of Coarse-sized Slurry in the Coal Preparation Plant of Jining No.2 Mine
ge ying chun ; su jing ; di xiang rong

..............page:24-25

Development of the Lineless Monitoring Device with the Remote Control Function
LI Zhi-qiang;ZHAI Yan-zhong

..............page:66-67

Study on the Determination of Strength Factor of Geological Layers by Using the Logging Information
WANG Jie;ZHAO Zhong-xiao

..............page:68-69

Application of the Curves in the Cost Control of the Enterprises
YANG She-jiao

..............page:70-71,73

To Strength the Control of the Coal Quality,to Raise the Economic Benefit of Enterprises
Qu Xue-jun

..............page:72-73

zheng gao fan wei

..............page:56

Application of LB420 of On-line Ash Tester in the Testing and Inspection of Coal Quality
shao zhu hua ; liu zhao xue ; xu wei tong ; xu bin

..............page:52-52

Study on How to Improve the Calculation Precision and Operation Safety of the On-line Nuclear Scale System with Micro-computer
ZHANG Ping

..............page:50-51

Multi-purpose Treatment and Development Utilization of Coal Rocks in the Pingdingshan Mine Area
pu hong yan ; huo bao qin

..............page:49,51

Treatment of Drainage Water and Its Utilization as Resources in the Mine Areas
HUANG Shi-Wei

..............page:47-48

Selection and Application of the Different Supporting Methods in Roadways
dong han min ; wang feng ming ; zhao ming zhou

..............page:45-46

Improvement of the Bin Cleaner in the Xinqiao Coal Mine
CHEN Lin;LIANG Shu-mei

..............page:44,46

Brief Tank on the Mining Method in Deeply Inclined Coal Seams
WANG Ning-bo

..............page:41-43

Application of Wavelet Analysis to Fault Diagnosis
SHAN You-dong;WANG Bao-yi;XU Jin-li

..............page:40,43