• Combining with the production data, grey GM (1, 1) model is used to predict deep thickness of coal seam in Moxinpo.

    利用灰色GM(1,1)模型结合生产资料磨心坡深部煤层厚度进行预测。

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  • The coal and gas outburst became more and more dangerous along with the thickness of coal seam changing and increasing.

    厚度越大、煤厚变化程度越大地区煤瓦斯突出危险程度越大。

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  • The structural deformation is the principal geological factor that affects the thickness variation of coal seam on a mine field scale.

    构造作用控制井田范围内煤层厚度变化主要地质因素

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  • Analyzing the characteristic of the thickness change and coal seam formation, realize the geological original cause of coal seam thickness change.

    分析煤层厚度变化特点煤层厚度变化地质成因

    youdao

  • Base on the analysis the relationship between the seam thickness changes and structure function, the paper studied the thickness change law of the seams in coal mining operation in the mine filed.

    分析变化构造作用之间关系基础研究井田内在开拓开采中的煤层厚度变化规律

    youdao

  • From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam.

    哈尔·斯为例,将相遇折射法用于剩余探测具有精确高效、快速特点。

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  • Within the north structure block, with the influence of the thin seam thickness, the thickness of the structure coal seam was relevantly thin.

    北部构造区内受煤层厚度影响,构造厚度相对薄。

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  • The paper implemented the coal seam thickness prediction by applying the model, and achieved good result, which proved the feasibility of seismic attribute technology to predict coal seam thickness.

    本文应用模型实现了研究区的煤层厚度预测取得了较好的应用效果证明地震属性技术预测可行性

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  • The seam thickness change is one of the main factors effected on coal mining.

    煤层厚度变化影响煤矿开采主要因素之一

    youdao

  • Some kinds of genesis patterns of the seam thickness variation caused by bedding slip structure are analyzed and the forming reason of the coal parameter variation are expounded.

    分析了构造引起变化几种成因方式解释了煤质变化的形成原因

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  • To identify the signal of the weak reflected wave is a key problem to detect the thickness of the coal seam by using elastic wave.

    反射信号识别声波煤层厚度探测中的一个关键问题

    youdao

  • This paper discussed the evolvement characteristics of sand bodies of the fourth coal bearing interval and its influence on No. 13-1 coal-seam thickness in Huainan coal field.

    讨论淮南煤田第四演化特征及其13- 1煤层厚度影响

    youdao

  • Base on the analysis the relationship between the seam thickness changes and structure function, the paper studied the thickness change law of the seams in coal mining operation in...

    分析变化构造作用之间关系基础研究井田内在开拓开采中的煤层厚度变化规律

    youdao

  • The seam thickness change is one of the main factors effected on coal mining.

    构造作用控制井田范围内煤层厚度变化主要地质因素

    youdao

  • The elastic wave reflection method is one of the effective methods of detecting the thickness of the top coal seam.

    声波反射目前顶煤厚度探测有效方法之一

    youdao

  • The elastic wave reflection method is one of the effective methods of detecting the thickness of the top coal seam.

    声波反射目前顶煤厚度探测有效方法之一

    youdao

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