Journal of China Coal Society 2000 Issue 5 Method of assessment about mineral resources competitive power

Method of assessment about mineral resources competitive power
wang zhi hong

..............page:556-560

Study of digital control single-cover air valve system of the jiggers and its application
xu long jiang ; zhang chuan ; yuan hui ; zhang dou qun

..............page:551-555

Relationship between the distribution of minerals in pulverized coal particles and the physicochemical characteristics of fly ash
sun jun min ; han de zuo

..............page:546-550

Reliability design and methods of reliability
zhang wen jun ; ou ze shen

..............page:542-545

Study of a new pulp helght monitor
he sheng chun

..............page:538-541

Automatic separation of waste rock in coal mine based on image procession and recognition
liu fu qiang ; qian jian sheng ; wang xin hong ; song jin ling

..............page:534-537

The study of the communication protocol and the mobile and base station of mine mobile communication system
yang wei ; sun ji ping ; su you ping

..............page:530-533

Simulation study of random loads on a cutting head of roadheader
li xiao huo

..............page:525-529

Air dynamics analysis for turbine system of mine Pneumatic pump
yu zhi fu ; wu gui sheng ; fan jin zuo ; ma xi qing ; yang fu gui

..............page:522-524

Study on the mechanism of preferred plane of water hazard in coal mine
ni hong ge ; luo guo zuo

..............page:518-521

Relation of pore distribution of coal with water infusion increment in seams
qin wen gui ; zhang yan song

..............page:514-517

Developed mine ventilation graphics system based on the object-oriented technologies
wang de ming ; wang jun ; zhou fu bao

..............page:510-513

Study on heat effect mechanism of gas interstitial flow in coal seam
cheng wu yi

..............page:506-509

Numerical simulation to outburst mechanism of coal or rock containing gas with FRPA2D system
tang chun an ; zuo yong qin ; liu hong yuan ; liu jian xin

..............page:501-505

Study on moving velocity of burning front in underground coal gasification
yang lan he

..............page:496-500

Test study of corrosion performances and wear characteristics of composite guide in vertical shaft
zeng xian tao ; guo jin pu ; xu wen jin

..............page:491-495

Study on grouting mechanism and parameters in the depths of thick topsoil
liu quan lin ; cheng zuo

..............page:486-490

Study on support effect of rock bolting in soft-weak roof
lin chong de ; lu shi liang ; shi yuan wei

..............page:482-485

Control mechanism and support technique about gateway driven along goaf in fully mechanized top coal caving face
bai jian biao ; wang wei jun ; hou chao jiong ; huang han fu

..............page:478-481

GIS raster digitized method with face element in predicting subsidence and its application
zhao xiao dong ; song zhen zuo

..............page:473-477

Stability classification of mining roadway for fully mechanized sublevel caving face
zhou bao sheng ; zhu wei shen ; li shu cai

..............page:469-472

Study on the elementary problems of full-mechanized coal mining in greater pitching seam
wu yong ping ; yuan dong feng ; zhang zuo feng

..............page:465-468

Creation and its data exchanging for object oriented complicated map database of GIS
shi jin feng ; niu ji yang

..............page:461-464

Determination of spatial relations between random objects in GIS
liu wen bao ; deng min ; xia zong guo

..............page:455-460

Study on the engineering geological conditions of protected
li wen ping ; ye gui jun ; zhang lai ; duan zhong hui ; di li juan

..............page:449-454