Methods used in choosing axial flow fans for mining ventilation system are discussed.
通过理论分析和实例计算，对矿井轴流风机的选型计算方法进行了讨论。
A relatively simple method of software used to optimize mining ventilation is put forward.
提出了一种相对简单的矿井通风优化计算软件方案。
Optimization of mining ventilation system has been one of the critical issues for coal mine's safe production, and should be solved by scientific and reasonable method.
矿井通风系统优化已经成为煤矿安全生产的一个关键问题，对其应有科学、合理的选择方法。
This paper discusses the necessity and possibility of solving a mining ventilation network by a microcomputer and describes the features and functions of the CNP-1 program, prepared by the authors.
本文论述了用微型计算机解算矿井通风网络的必要性与可能性。
Ventilation is a major consideration in underground mining. Many mines are so deep that adequate air must be pumped in; others have problems with heat and humidity.
通风是地下采矿必须考虑的重要问题。很多矿井都很深，因此必须送人足够的空气。有的矿井还有高温和潮湿的问题。
1977-1982 Technician and Assistant Engineer of Ventilation District of Jinhuagong Mine of Datong Mining bureau.
1977- 1982大同矿务局晋华宫矿通风区技术员、助理工程师DatongMining bureau。
1982-1984 Deputy Director and Director of Ventilation District of Jinhuagong Mine of Datong Mining bureau.
1982- 1984大同矿务局晋华宫矿通风区副区长、区长。
Russia Priargunsky Industrial Mining and Chemical Union is introduced. Its production and ventilation and radiation protection conditions are also described.
介绍了俄罗斯近阿尔贡矿山化工联合体的组成，天然铀生产基本情况，铀矿井通风降氡技术及辐射防护状况。
This analysis method considers both the dynamic change of underground mining conditions and the easyness of the underground ventilation management.
这种方法既考虑了井下生产条件的动态变化，又考虑到井下通风管理的难易。
The implementation of the optimized design scheme has provided an effective way for the ventilation and temperature lowering in the deep mining in China.
方案的实施为国内深井开采通风降温技术提出了一条比较有效的途径。
It has theoretical and practical importance in steering the mine ventilation design and mining.
对于指导矿井的通风设计和采掘部署，有重要的理论和实际意义。
Under the condition of pulsed ventilation, the physical process of gas transport in the upper corner of mining face is analyzed, and the dynamic model of gas transport is set up.
在脉冲通风条件下，分析了回采工作面上隅角积聚区内瓦斯运移的物理过程，建立了上隅角积聚区瓦斯运移的动力学模型。
The application of new mining method is benefic to avoiding mutual effect between steeply inclined near coal seams, improving production ability and recovery, forming canonical ventilation system.
新型采煤法的实施有利于避免急斜近距煤层开采的相互影响，提高生产能力和采出率，形成规范的通风系统。
Natural wind pressure in ventilation network affects the stability of air flow at mining areas.
通风网路中的自然风压影响采区风流的稳定性，风流的不稳定诱发自然灾害的发生。
A mathematical analysis was conducted for the ventilation process in the space of mining area underground and the differential equations were derived.
对井下采场空间的通风过程进行了数学分析，导出了通风微分方程序。
A primary programme of ventilation for the deep part of east mining district, which is instructive to the practice.
并对今后东部矿区深部采矿综合通风系统提出初步方案，有现实指导意义。
By computer communication, the paper has work out a solution for communication management of ventilation dispatch between the mining bureau and the mines.
本文采用计算机通信手段解决了局矿间通风调度通信管理问题。
They are widely used in the ventilation and air conditioning system in mining and construction. They are a new alternative environment friendly product.
广泛应用于矿山、建筑的通风和中央空调工程，是新型的环保替代产品。
Some measurements for the rational match for mining district design and mine ventilation and for safe production are proposed.
就生产矿井的采掘布局与通风工作的合理匹配，以及开采煤炭、保障生产安全方面进行剖析，并提出一些匹配措施。
The practical verification showed that the evaluation index system would have the references to the safety management of the mine ventilation system in the old mining area.
实践验证表明，该评价指标体系对老矿区矿井通风系统安全管理具有借鉴意义。
The ventilation system provides a new method to realize the safe and efficient mining of high gas longwall mining with sublevel caving.
这一通风系统可为其他高瓦斯综放面安全高效开采提供了一条新的技术途径。
In the air condition system of the high temperature mine, the different ventilation modes would have an important influence to the comfortability and energy saving of the coal mining face environment.
在高温矿井空调系统中，不同的送风方式对工作面环境的舒适度和节能具有重要影响。
The fan are widely used in industrial and mining enterprises, large buildings, hotels, restaurants and other indoor ventilation.
该风机广泛用于工矿企业、大型建筑物、宾馆酒楼等室内通风换气。
The fan are widely used in industrial and mining enterprises, large buildings, hotels, restaurants and other indoor ventilation.
该风机广泛用于工矿企业、大型建筑物、宾馆酒楼等室内通风换气。
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