It fills and perfects the optimum theory in ventilation network.
它充实和完善了通风网路的优化理论。
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 optimization of ventilation network can be achieved by using path method.
优化通风网络可应用通路法。
The diagonal branch of ventilation network has the characteristic of instable airflow.
通风网络中的角联分支本身具有风流不稳定的特点。
Actually, in the case of ventilation network disaster airflow always was unsteady flow.
实际上，在通风网络发生灾变的情况下经常会遇到非定常流动。
It analyzes the influence of natural wind pressure and diagonal branches to ventilation network.
分析了自然风压和角联分支对通风网络的影响。
The ventilation network is an abstract description of the ventilation by points, lines and attributes.
通风网络是利用点、线及其属性对通风系统进行抽象描述。
The ventilation network graph is one of the important drawings in the ventilation management of the coal mines.
矿井通风网络图是矿井通风管理的重要图件之一，也是进行矿井通风系统模拟、网络解算、通风系统优化的基础资料。
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 proposal for control of airflow in a mine fire is proposed by optimization of air quantity in a ventilation network.
提出了用通风网络风量优化计算的方法求解矿井火灾时期的风流控制方案。
If unidirectional circuits exist in a network, the corresponding ventilation network equilibrium graph can not be plotted.
通风网络中存在单向回路时，将无法绘制其所对应的平衡图。
Path is one of the important concepts of graph theory, and there are also extensive applications in ventilation network theory.
通路是图论中的一个重要概念，在通风网络中也有着广泛的用途。
This variation has infinite solution. It is only applicable in the invariant state of ventilation network structure and parameters.
这种变换存在着解的无穷性，并且仅适用于通风网路的结构和参数不变的状态。
The simulative calculation method and the results of multi-fan-station ventilation network with unidirectional circuits are described.
介绍含有单向回路的多级机站通风网络的通路模拟算法及其结果。
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。
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。
Simultaneously, in view of different forms and scopes of ventilation network, the corresponding mathematic model is established for the stability analysis.
同时针对不同的通风网路形式，不同的通风网路规模，建立其稳定性分析的数学模型。
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。
Network simplification is significant in enhancing computing speed and reducing memory occupation of programs relative to ventilation network topology relation.
网络简化对提高与通风网络拓扑关系相关的计算程序的运算速度以及降低计算机内存占有量也具有重要意义。
The method of limit is proposed for establishing the sufficient conditions for determining the direction in a ventilation network. The composite determinative m…
提出了用极限方法确定判别某些网路风流方向的充分条件，并对现有的井巷风阻复合判别法和节点位势法进行了分析和探讨。
In essence, 3d ventilation network graph is a 'figurative' ventilation network graph, and it surpasses the technical level of the conventional planar network graph.
从本质上说，3d风网图表达的是“具象”的通风网络图，它超越了传统平面网络图的技术层面。
Automatic identification of diagonal branches and automatic plotting of ventilation network characteristic graph are the particular functions of the simulation system.
角联风路自动识别和风网特征图自动绘制是该仿真系统所独有的特殊功能。
Ventilation network equilibrium diagram has superiorities in quantitative and intuitional reflecting the topology relation and various properties of ventilation network.
通风网络平衡图在定量、直观反映通风网络的拓扑关系及各种性质方面，具有优越性。
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 method of limit is proposed for establishing the sufficient conditions for determining the direction in a ventilation network. The composite determinative method of res…
提出了用极限方法确定判别某些网路风流方向的充分条件，并对现有的井巷风阻复合判别法和节点位势法进行了分析和探讨。
The software package can simulate the calculation of ventilation network and the adjustment of the air flow, then display the simulation result on the simulator diagram directly.
该软件包能对通风系统进行风网解算模拟和风量调节模拟，能把模拟结果形象直观地显示在通风系统模拟图上。
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。
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。
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