The composition, structure and reactivity of coal have been a very important issue in coal science, complete understanding of coal composition and associated force between molecule can be accomplished by experiments of the solvent extracting coal and study on extraction mechanism and extraction kinetics in thesis.

The process requirements of the Texaco coal gasification are discussed, and the key factors are the coal ash fusibility, corrosiveness and viscosity temperature characteristic as well as the slurrying property and reactivity of coal.

论述了Texaco煤气化工艺要求的最关键因素是煤灰的熔融性、腐蚀性、粘温特征和煤的成浆性、反应性等。

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For most calciners, their index of combustion condition Fb all are lower than-2.3, It means that the pulverized coal combustion in calciners is mostly decided by reactivity of coal.

对于大多数分解炉来说，其煤粉的燃烧状态指数Fb均小于-2.3，属于动力控制区，即分解炉中煤粉燃烧的状态主要取决于煤的反应活性。

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Nowadays, improving the reactivity of coal liquefaction, mitigating liquefaction conditions and increasing oil yield have become research hotspots in the fields of direct coal liquefaction.

提高煤的液化反应活性、缓和液化条件和增加油收率已成为当今煤直接液化领域的研究热点。

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The research show that the content of disordered carbon is a good index of the reactivity of coal and coal char, correlates with ignition characters very well.

结果表明：无序碳含量是衡量煤和煤焦活性的一个很好的指标，它与着火特性有很好的关联性；

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Therefore, it can be concluded that DTF reactor is more appropriate to be used for investigating high temperature gasification reactivity of coal char.

所以，滴管炉更适用于对煤焦的高温气化反应性进行分析。

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If the chemical reactivity of coal is strong, the gasification reaction temperature will be relatively low and the gas outlet temperatures will also be lower.

气化化学反应活性较强的煤，气化反应温度相对较低，其正常炉出煤气温度也相应较低。

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Reactivity of Coal Char with Steam at Elevated Pressure

煤焦与水蒸气加压气化反应活性的研究

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Study on volcanic ash reactivity of coal cinder at about 900 ℃

低温煤渣火山灰活性的机理研究

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Effect of Flux on Fluidity of Slag and Reactivity of Coal Gasification

助熔剂对煤灰渣流动性及煤气化反应性的影响

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Study on the micropore property and reactivity of coal treated with methanol

甲醇处理煤的微孔性质及反应性研究

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Study on the Pore Structure and Gasification Reactivity of Coal Chars

煤焦孔隙结构与气化反应性的研究

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Gasification Reactivity of Coal with Lower Ash Melting Point at High Temperature

低灰熔点煤的高温气化反应性能

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The chemical structure and pyrolysis reactivity of coal are analyzed.

煤的化学结构决定了其多种反应性，所以煤化学结构的研究一直都是煤结构研究中的重要的研究课题。

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Research development correlation between pore structure and reactivity of coal

煤的孔隙结构与反应性关系的研究进展

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The increase of temperature and oxygen concentration can enhance the reactivity of coal, and the release rates of soluble AAEM increase.

在全氧燃烧过程中，温度和氧气浓度是影响AAEM释放的主要因素，温度升高、氧气浓度增大都能增强煤的反应性，使得煤中可溶性的AAEM的释放率增大。

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Emphasis is put upon the calculation principle, software and hardware components, main specifications, application, as well as the features of the digital reactivity meter.

着重阐述了数字反应性仪的工作原理、软件及硬件构成、主要技术指标、使用情况，以及仪器特点。

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This paper deduced the basic formula which is used for Model KY140-728 Reactivity Meter.

本文推导了KY140&728反应性计所使用的基本公式。

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The calculation modle and code are presented at first and then the influence of reactivity insertion rate, reactivity insertion, fuel prompt negative temperature coefficient, heat capacity of the fuel and prompt neutron lifetime on pulse parameters are analysed in the paper.

介绍了铀氢锆反应堆计算模型和程序，分析了反应性引入速率、反应性引入量、燃料瞬发负温度系数、燃料热容和瞬发中子寿命对脉冲参数的影响。

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The coking test was made on coal sample with the same blending ratio and different bulk densities, the relationships between coke abrasion strength, crushing strength, apparent porosity, coke reactivity index, coke strength after reaction and charging bulk density were obtained.

采用同一配煤比和不同的装煤堆密度煤样进行炼焦试验，得出焦炭的耐磨强度、抗碎强度、显气孔率、焦炭的反应性、反应后强度与装煤堆密度的关系。

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The specific reactive rate, the average specific reactive rate, the initial specific reactive rate and the reactivity index for gasification with CO2 of various char samples from the inertinite-rich concentrates and vitrinite-rich concentrates have been calculated based upon the test results.

根据实验数据，分别计算了惰质组富集物焦和镜质组富集物焦与CO2反应的比反应速率、平均比反应速率、初始比反应速率和反应性指数。

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