loose coal

  • loose coal
  • 释义

    疏松煤

纠错 数据更新时间:2026-08-23 10:31:26
1、

Mathematical model describing the process of oxygen transporting in loose coal was derived in the case of considering some simplified conditions, such as ignoring Soret effect, regarding loose coal as isotropous and well proportioned media and so on.

在忽略Soret效应、假定煤体为各向同性的均匀多孔介质等简化条件下,推导出氧气在煤矿井下松散煤体中输运过程的数学模型。

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2、

numerical simulation on the spontaneous combustion of loose coal in the top-coal caving region of coal drift

煤巷高冒区松散煤体自然发火的数值模拟研究

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3、

The loose coal self-igniting has a big proportion in the disasters of coal self-igniting.

在煤炭自燃灾害中,松散煤体自燃占很大的比例,综放面松散煤体较多,发生自燃的危险性也较高.

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4、

performance study of the polyurethane for the loose coal body reinforcement

加固煤体用聚氨酯材料的性能研究

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5、

measurement of thermal conductivity in loose coal bulk

松散煤体导热系数测定实验

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6、

theoretical analysis on law of transporting oxygen in the loose coal

松散煤体中氧气输运过程的理论分析

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7、

prediction of spontaneous combustion of loose coal around tailgate close to gob in no. 4308 fully

东滩矿4308综放面沿空巷道自然发火预测

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8、

experimental study on the free diffusing characteristics of oxygen in different granularity loose coal

不同粒度松散煤体的氧扩散特性实验研究

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9、

analysis of coefficient of heat conductivity of loose coal body

松散煤体导热系数的分析

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10、

practice of support in the air return roadway and the loose coal seam working face with high-methane

高瓦斯极松软煤层工作面及上风巷支护实践

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11、

Study on Thermophysical Properties Measurement and Temperature Field Distribution of Loose Coal Bulk

松散煤体热物性测试及其温度场分布规律研究

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12、

methods to measuring thermal conductivity of loose coal

松散煤体导热系数测定方法

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13、

rock bolting support technology for loose coal seam

松散煤层锚杆支护技术

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14、

oxygen pervasion model in loose coal and its numerical analysis

松散煤体中的氧气扩散模型及数值分析

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15、

Experiment of Parallel Hot Wire Technique for Measuring Thermal Conductivity in Loose Coal Bulk

平行热线法测定松散煤体导热系数试验

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16、

quantitative study on oxygen free-diffusing characteristics in loose coal

松散煤体氧自由扩散特性的定量分析

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17、

repeating precision of measurement results for loose coal thermophysical parameters is less than 1%.

在大试样量条件下,热物性参数测试结果的可重复误差小于1%;

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18、

test of roof truss support along open tunnel in loose coal bed

松软煤层沿空巷道桁架支护试验应用

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19、

new type loose coal equipment of chain boiler

链条锅炉的新型松煤装置

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20、

determination of variable thermal conductivity of loose coal based on hot-wire method

热线法测松散煤体变导热系数

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21、

determination and calculation of oxidation heat liberation intensity of loose coal at low temperature stage

松散煤体低温氧化放热强度的测定和计算

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22、
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