grade of coal是什么意思

网络释义

用法例句

Characters of coal classification and coal rank distribution in third member of Shahejie Formation in eastern depression of Liaohe basin;

辽河盆地东部凹陷沙三段煤种和煤级分布特征

The comprehensive research showed that coalbed methane accumulation is mainly controlled by coal seam thickness,coal petrological composition,coal rank,adsorbability and good preservation conditions.

综合研究表明:该区煤层气富集的控制因素主要为煤层厚度、煤岩组分、煤级、吸附性能和良好的保存条件。

The comprehensive research is made on equilibrium moisture, isothermal adsorption feature, proximate analysis and coal petrology for approximate 140 coal samples with different rank and from different places.

通过对近几年来采自不同地区， 各种煤级１４０ 个煤样的平衡水分、等温吸附特性、煤岩组成和煤质的综合研究， 揭示了煤在平衡水分条件下等温吸附特性的变化规律， 探讨了其影响因素。

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

Raman Spectroscopic Characteristics of Different Rank Coals and the Relation with XRD Structural Parameters

不同煤级煤的Raman谱特征及与XRD结构参数的关系

Preliminary Study on Low-rank Coal Reservoirs and Coalbed Methane Pool Forming in Zhungaer Basin, NW China;

准噶尔盆地低煤级煤储层及煤层气成藏初步研究

Evolution Kinetics of Hydrogen Generation from Low Rank Coal Pyrolysis and Its Relation to the First Coalification Jump

低煤级煤热解H_2生成动力学及其与第一次煤化作用跃变的关系

Mechanism of uranyl ion adsorbing and complexing onto low-rank coal and ore-forming process of uranium associated coal measures

低煤级煤与UO_2~(2+)的吸附络合及亲煤型铀矿成矿过程

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

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

Classification standard for size fractions of coal

GB/T189-1997煤炭粒度分级

The Foundational Research on Water Infusion for Longwall Top Coal Caving Face in Para-Anthracite Seam;

低级无烟煤综放工作面煤层注水基础研究

～(13)C-NMR Research of Coalification Mechanism for Low-medium Rank Coal;

中低煤化作用阶级煤化作用机理的～（13）C-NMR研究

Constructing large-sized coal mines to push forward the industrial restructuring in the coal sector of Shanxi

建设大型煤矿,推动山西煤炭产业结构优化升级

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。

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 ;

Treatment of forecastle deformation of 3 000 dwt selfpropelled and self-dischorging collier

3000吨级自航自卸煤船艏楼变形的处理

The Study on Superfine Pulverized Coal Reburning for NO_x Reduction;

超细煤粉分级燃烧NO_x还原过程的研究

Design of 600MW Pulverized Coal-fired Boiler;

600MW级机组煤粉锅炉设计计算

Numerical Simulation of Air-staged Combustion for a Pulverized Coal-fired Boiler Furnace in One-dimensionality;

一维煤粉锅炉空气分级燃烧数值模拟

Coal Chemical Industry:the Only Way to Promote Industrial Upgrading in Huaibei City;

煤化工:淮北市产业升级的必由之路