Northwest Coal 2006 Issue 2 Study on optimizing the explosion parameter at south drift +600 of Shizuishan No.2 Coalmine

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Northwest Coal
1672-3880
2006 Issue 2

Study on optimizing the explosion parameter at south drift +600 of Shizuishan No.2 Coalmine
chai jing ; gao xi hai ; dai jun ; zhang jie

..............page:3-5

Probe into the liability of information disclosure of the company which listing in Hong Kong Stock Market
Liu Xiaodong

..............page:6-9

Thought on strategic development of Ningxia activated carbon enterprises
Zhao Lin

..............page:10-12,19

Experiment Study of Fly Ash Concrete with High Volume properties
ma zhi xia ; tian jin dong ; chen hong xiang ; xia hong chun

..............page:13-15

Feasibility analysis on achieving the target of 10.00Mt/a at one draft or a working face of Yangchangwan Mining Area
Ai Yulian

..............page:16-19

The reason and counter measure to the failure of sublevel rockbolt supporting system at comprehensive working face of Lingwu Mining Area
Yu Yingxue

..............page:20-22

Study on construction of ventilated shaft Dring dian jing and linshul tunnel
pei shu lin ; li jin kui ; xia hong chun

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

Current situation and measure of constructing a high yield and high efficiency mine of the company
wu guo sheng ; zhao sheng hua

..............page:26-27,32

Methods and measures of increasing the coal recovery at comprehensive working face
zhao ping ; qin yong ; wang shu you

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

Practice of exhausting gas at the roof of abandoned working of working face through carving the roof by blasting
cao jian jun ; zhang hong jun ; qin gang wei

..............page:30-32

Brief discussion on U shape shed supporting of heavy section crossing the coal drift
zhang huai qi ; zhang jin cai

..............page:33,46

Discussion on development of coal chemical industry in Shenhua Ningxia Coal Industry (Group) Co., Ltd.
Sun Zhaoliang

..............page:34-37,56

Analysis on frequent trouble of hydraulic rubber hose used at comprehensive working face
Tian Hua

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

Brief discussion on the future of speed regulatory hydraulic coupling used in belt conveyor
Cai Hongshan

..............page:40-41

Phenomena of integral settlement existing in foundering rock mass
Liu Wansheng

..............page:42-43

Thinking on honesty in accounting
Feng Jun

..............page:44-46

Measures to reducing the consumption of medium in dense media system of Xidatan Coal Separation Plant
chou xue gong ; huang zhi da ; xiao jin zhen

..............page:47-49

Optimal channel for establishing a five-mode enterprise is to construct high yield and high efficiency mine
Zhao Shenghua

..............page:50-53

Problems and countermeasures to skill testing for coal workers
Li Weizhong

..............page:54-56

Primary discussion on compiling emergency preparatory measure for coal enterprise
Zhang Hongjun

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

Brief discussion on separation of major work and minor work of state-owned coal enterprise
Sun Longqin

..............page:59-61

Problems and countermeasures to accounting computerization
Qiu Xiushu

..............page:62-64