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瓦斯规律
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  相似匹配句对
     THE STUDY OF METHANE OUTFLOW LAW IN COAL MINING FACE
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     deterioration law
     退化规律
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     The Regularity of Man
     人的规律
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  gas law
This correction is similar to those to pressure and volume in the real gas law.
      
The mass flow rate measurement using a critical nozzle shows the validity of the inviscid theory, indicating that the discharge coefficient increases and approaches unity as the Reynolds number increases under the ideal gas law.
      
Moreover, a new equation of state arises which reflects the presence of a zero-point translational energy, requiring departure from the ideal gas law asT→0.
      
A good agreement has been found between the expansion factors determined by the proposed method and those calculated by the gas law.
      
A convenient approach for this was found, using the gas law and the adiabatic flow condition, with which the pressure-integration procedure becomes essentially the same as for the incompressible case.
      
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The prediction of mine gas emission rate is the typical grey system. Based on the fuzzy-grey system, the affecting factors of mine gas rate are inquired into and the insufficiency of grey theory is analysed in this paper. Moreover, fuzzy-grey system model which is in conformity with actuality is set up and time sequence is turned into affecting factors sequence to predict mine gas emission rate.The results of research show that the methoed can reflect mine gas regulation.

矿井瓦斯涌出量的预测是典型的灰色系统,本文以灰色系统和模糊数学为基础,探讨了矿井瓦斯涌出量的影响因素,分析了灰色系统理论的不足,建立了符合实际的模糊灰色系统模型,并把时间序列改进成为影响因素序列,对矿井瓦斯涌出量进行预测。研究结果表明,该方法能较准确地反映矿井瓦斯规律

This paper describes the characteristics of medium and small fault structures in a mine, especially the characteristics of those small fault structures with thickness less than that of coal seam during mining. Through the combination of fault structure information revealed in coal mining with gas monitoring data, the paper gives a detailed analysis on the relation of gas emission and fault structures, discusses the gas emission law controlled by medium and small fault structures and describes the relation of...

This paper describes the characteristics of medium and small fault structures in a mine, especially the characteristics of those small fault structures with thickness less than that of coal seam during mining. Through the combination of fault structure information revealed in coal mining with gas monitoring data, the paper gives a detailed analysis on the relation of gas emission and fault structures, discusses the gas emission law controlled by medium and small fault structures and describes the relation of the medium and small fault structures and gas emission in a coal face, thus providing basis for the safe production and gas control of coal mines.

描述了矿井中小型断层构造的特征,尤其是生产中经常出现的小于煤厚的小构造特征,把生产实践中揭露的构造资料结合瓦斯监测资料,详细分析了瓦斯涌出与构造的关系,探讨了中小断层构造控制瓦斯的规律,论述了中小断层构造与工作面瓦斯涌出的关系,为矿井安全生产及瓦斯治理提供了基础和依据。

The PC104 embedded measuring system was designed in order to measure initial desorption gas.The software and hardware of the measuring system of initial desorption gas were briefly introduced,and the experiment proved that the system has strong stability,high reliability and convenient main-(tenance,) and can be used to explore the rules,methods and technologies of initial desorption gas which is put forward from coal sample.

为了测量初始解吸的瓦斯量,设计了基于PC104嵌入式系统的测量系统。文章重点阐述了初始解吸瓦斯测量系统的软、硬件构成。实验证明:该系统具有稳定性好、可靠性高和维护方便等特点,可用于探索煤样中初始解吸瓦斯的规律、方法和技术。

 
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