Coal Engineering 2007 Issue 7 A brief discussion about problems and improvements on coal size and float-and-sink analysis

A brief discussion about problems and improvements on coal size and float-and-sink analysis
Qian Hai-jun;Shen Li-juan;Chen Jian-zhong

..............page:77-79

Rapid regressive analysis on coal caloric value with EXCEL
CHEN Xiao-hua;SHAO Jin-yuan

..............page:80-82

Discussion on sulfur distribution features of coal in paper mill plant exploration area of Qianxi County
CHEN Hua

..............page:74-76

Comparison study on gas geological features of Two 1 seam in Xinggong coal field and Dengfeng coal field
DIAO Liang-xun

..............page:71-73

Research on fire cause and prevention technology for top coal caving mining in steep inclined seam
wang chun ming ; shao xiao ping

..............page:69-71

Research on backfill stress distribution technology for U type steel yield support
HU Yan-feng;XIE Wen-bing;ZHAO Chen-guang;JING Sheng-guo

..............page:66-68

Analysis on The Impact of The Feed Way in Coal Technology over Condensing of Cycle Time
WANG Yong-jian;HOU Jin-ping

..............page:63-65

Comments on sustainable development of resources type city
chen hua ; wang hai yan ; wei tian chan

..............page:82-84

Research on monitoring, control and diagnosis system of up level machine for AC - AC frequency conversion
fan xiao hong ; he feng you ; ma zhi xun

..............page:96-98

Concrete mixture ratio research of C80 HPC in extraordinary depth surface soil
YANG Yong;LUO Hui;YAO Zhi-shu

..............page:85-87

Application and research on new three phrase foam fire extinguishing technology in Xinji No.2 Mine
feng zhi jiang ; qin bo tao ; wang jia hua ; zhang jian fu

..............page:88-90

Improvement and application of 120 series mine roadheader
TAO Kun;LIU Xian-yu

..............page:90-91

Design on sealing performance inspection meter for single hydraulic prop
WANG Yong-zhong

..............page:92-93

Computer monitoring and control system of mine main ventilator base on programmable controller
wang qi li ; hu ya fei ; xiong jian jun

..............page:94-96

Brief analysis on existing problems and improving measures of mechanical and electrical management in present mines
MA Xin-hua;CHEN Guo-qiang

..............page:60-62

Application of PLC to control system of mine hoist
liu yu gang ; liu lan lan ; fu gui xiang ; qiao lei ming

..............page:58-59

"U + L" wide type ventilation system applied to high gassy fully mechanized top caving mining face
liu chun zheng ; zhang ji xun

..............page:56-57

Comments on comprehensive control technology for surface water system and mine goof water system
zheng zhen xiu ; zhang can jun ; liu sheng li

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

Introduction on emergency rescue work in Shendong Coal Branch
ZHANG Hong-hong

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

Economic operation of mine ventilation system
LIANG Nan-ding

..............page:51-53

Practices on reconstruction of ventilation system in Dapingtan Mine
wang shu xin ; zeng qiang ; wang tao ; cheng zuo yuan

..............page:48-50

Research on equipment selection for fully mechanized coal mining face with annual production of 12.00 million tons
LEI Ya-jun;LUO Wen

..............page:5-7

Fully mechanized coal mining face with light weight hydraulic powered caving support in deep inclined thick seam of Niu'erzhuang Mine
wang jian min ; chen lin ping ; wang bao kun ; sun shi guo

..............page:8-10

Analysis on mine ventilation capacity checking for ventilation quantity required to flexible shield support coal mining face in gent false inclined seam
zhang jia yong ; guo li wen ; sun zhong qiang ; zhu ling qi

..............page:11-13

Discusses the design technology of constructing high production and highly effective modernization mine pit
ZUO Hong-lu

..............page:13-14

Technical analysis and layout plan comparison selection of unloading system for main shaft of Dunliu Mine
li fan ; lin hua ; guo li

..............page:15-16,119

Comments on new edited "Design Code of Electric Supply and Distribution in Underground Coal Mine"
YANG Gan

..............page:17-18

Design and application of double feeding mouth to large coal bunker
WU Zhen

..............page:19-20

Comments on design of mine fire extinguishing and prevention
JIN Li-ping

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

Design on water supply, water drainage and fire extinguishing for ward building of hospital
chen chun xi ; kuang zhen qing ; liu cai yun

..............page:23-25

Proposal on improvement of water station in open pit mine
HAN Xue-zeng

..............page:26-28

Comments on several problems in design of reinforced concrete high building structure
ZHANG You-ming;HE De-zhao

..............page:28-29

Research on optimization of steel structure residential building design in construction of saving type society
WANG Xian-nong;YE Hai-yan

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

Comments on design of entrance room at mine adite
SUN Yan-dong

..............page:32-34

Discussion on overhaul design of asphalt pavement
ZHUGE Jing-min;LI Jian-jiang

..............page:34-35

Rapid driving technology of EBZ-160SH mine semi coal and rock roadheader
FAN Zhi-quan

..............page:36-38

Application of concrete pouring pile construction technology with borehole drilling and manual reaming
WEI Chen

..............page:38-40

Ruler position method applied to special mine roadway and chamber construction
WANG Chang-chen

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

Damage and prevention reinforcement of surface buildings at mining ground subsidence area in Datong mining
SHI Kai

..............page:43-45

Research and practices on upward mining technology
LI Chong

..............page:46-48

Research and design on mine network remote monitoring and measuring, expert diagnosis and dispatch system in coal enterprise
ma li ; lu jian jun ; zhao an xin ; dai xin guan

..............page:99-102

Research and development on mine gas control and management information system base on components GIS
liu hai xin ; yang qing e ; zhang zhao jiang ; song hong li ; yang da bing

..............page:103-104

Research on multi point data processing technology of mine survey
wu ji jun ; wang ying ; song yong heng ; wang yuan

..............page:105-106

Comments on building of modern mine information management system
TIAN Jun

..............page:107-108

Discussion on construction of local mine service base
WEI Yong-gang;LI Zhi-qiang

..............page:109-111

Research on supervision and control management of construction engineering cost
LU Xiao-ting

..............page:112-113

Application of basic industrial engineering technology to coal industry
DUAN Yu-ling

..............page:114-116

Management for feasibility study period of government investment project
LONG Jiang-ying

..............page:116-119

xin xi zi xun

..............page:18,20,50,65,68,87,98,102

tou gao xu zhi

..............page:插1