In this paper, based on CPM method, a regulating and calculating method of pressure is given on a branch junction head in the mine ventilation network in accordance with graphic theory.
本文以关键线路法为基础，根据图论理论，给出一种支路节点压力通风网络调节计算方法。
The model can lend itself in the mine ventilation network of the different forms and scales and provides an effective way for quantitative analysis of the reliability of ventilation network.
该模型适应不同形式、不同规模的矿井通风网路，为定量分析通风网路的可靠性提供了一种有效方法。
Ventilation network graph is one kind of important graphic document of the mine ventilation management.
通风网络图是矿井通风管理的一种重要图件。
The relative principles of mine ventilation network calculation are introduced and how to store mine ventilation network and calculate in computer is studied.
本文介绍了矿井通风网络解算的相关原理，研究了矿井通风网络在计算机中的存储和解算方法。
In the optimization of a mine ventilation network, the boundary overstepping took place in Golden Section Search.
在复杂矿井通风网络优化计算中，发现了黄金分割法的越界现象。
A rough neural network - based approach to determining the main airways affecting the stability of airflow in mine ventilation is put forward.
提出基于粗神经网络确定影响矿内通风风流稳定性主要风路的方法。
This paper proposed a new loop controller optimization method based on the study of the common solution method for mine ventilation network.
在分析常用的矿井通风网路解算方法的基础上，提出了一种新的回路调节优化方法。
Use mine ventilation network solution is not only the result of ventilation management enable scientific and efficient, and can reduce mine ventilation costs, increase economic efficiency.
利用矿井风网解算得出的结果不仅能使通风管理工作科学高效的进行，而且能减少矿井通风费用，提高经济效益。
According to the principle of the largest likelihood the paper presents a new method for solving adjustment problem of mine ventilation network.
本文基于最大似然原理，提出了一个求解矿井通风网络平差问题的新方法。
According to the ventilation network calculation of Liaoshang mine area, the ventilation system and the working condition under the mine were improved.
对辽上矿区金矿通风系统进行网络解算，完善了通风系统，改善了井下的作业环境。
This paper proposes the concept of sensitivity of a mine ventilation network. The selective method of finding the optimal tree once for all is devised by the analysis of it.
本文提出矿井通风网络灵敏度的概念，通过对矿井通风网络灵敏度的分析，得到最优树的一次性选择方法。
The software can display the mine ventilation system state, forecast network change and offer corresponding adjusting decision.
该软件不仅能再现通风系统现状，预测网络变化情况，而且能给出相应的调节对策。
Some of the basic features of mine ventilation network are analyzed.
本文对矿井通风的某些基本性质进行了分析和论证。
The results showed that the resistance of mine ventilation system was reduced and the stability and ability of fighting against natural calamities of mine ventilation network were improved.
经实施后，降低了通风系统阻力，提高了矿井通风系统稳定性和抗灾能力。
When finished the debugging of the calculation program, this article will utilize coal mine ventilation network standard example program validation to ensure accuracy.
在程序完成调试的基础上，利用矿井通风网络标准算例对程序进行验证，确保精确性。
When finished the debugging of the calculation program, this article will utilize coal mine ventilation network standard example program validation to ensure accuracy.
在程序完成调试的基础上，利用矿井通风网络标准算例对程序进行验证，确保精确性。
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