1.
CBM development potential of high rank coal with reference to Qinshui coal field,Shanxi
高煤级煤的煤层气开发潜力——以沁水煤田为例
2.
A Potential High Rank Coal Area for CBM Development Base in South China-Preliminary Analysis on CBM Geological Conditions of Wulunshan Coal Area in Guizhou
我国南方潜在的高煤级煤煤层气开发基地-贵州五轮山矿区煤层气地质条件浅析
3.
The results showed that, compared with grade Ⅱ fly ash, grade Ⅰ fly ash was not certainly good in pozzolanic reactivity.
结果表明 :相比于Ⅱ级粉煤灰 ,Ⅰ级粉煤灰火山灰活性未必更高 ;
4.
Microstructure Characteristics of 100kg Grade High Strength Steel for Coal Machine under TMCP Conditions
100kg级高强煤机用钢TMCP工艺和组织特征
5.
Advanced Simulation for Rocker of Shearer Base on NX6.0
基于NX6.0采煤机摇臂高级仿真
6.
Classification for quality of coal--Classification for calorific value of coal
GB/T15224.3-1994煤炭质量分级煤炭发热量分级
7.
The Research of Fly Ash Applied on Highway Concrete Pavement;
粉煤灰在高等级公路水泥砼路面中的应用研究
8.
Studies on the Modified Asphalt with Palygorskite, Airslake-coal Blend for Highway Road;
坡缕石、风化煤复配改性高等级公路沥青研究
9.
Study on Property of High Performance Concrete with Ⅱ Fly Ash;
Ⅱ级粉煤灰配制的高性能混凝土性能研究
10.
Developing Green High Performance Concrete with Low Grade Fly Ash;
用低等级粉煤灰开发绿色高性能混凝土
11.
Study on Excitation Mechanism of Higher Management in Share-Issuing Coal Enterprises
股份制煤炭企业高级管理人员激励机制研究
12.
Classification standard for size fractions of coal
GB/T189-1997煤炭粒度分级
13.
Investigation of Pulverized Coal/Blast Furnace Gas Blended Combustion that Affect Pulverized Coal Complete Combustion;
煤粉/高炉煤气混烧对煤粉燃尽性影响的研究
14.
New Technique of Driving Cross-cut through Coal Seam with High Bursting Danger
高瓦斯突出煤层石门揭煤后过煤门新工艺
15.
The practice of increasing yield of clean coal of ultra-difficulty washed coal in Panbei Coal Preparation Plant
盘北选煤厂应对极难选煤提高精煤产率的实践
16.
Top Coal Crushing Mechanism and Determination of Roof Caving Height in Roof Caving Workface
放顶煤工作面顶煤破碎机理及放煤高度的确定
17.
TheASTM rankings for bituminous coal, sub-bituminous coal, or lignite fit the spreader combustion process well.
美中试验材料协会根据煤在燃烧时的性能把煤分为烟煤，次烟煤，褐煤几个等级。
18.
Preparation of High Quality and High Ratio Additive Material for Cement and Concrete by Using Low Class Fly Ash;
低等级粉煤灰制造高品质高掺量水泥混合材的研究