drifting

Study of mine ventilation optimization based on minimum energy principle;

基于最小能量原理的矿井通风优化研究

Study on the optimization adjustment of mine ventilation system;

矿井通风系统优化调节研究

Definition and classification research of mine ventilation information;

矿井通风信息界定与分类研究

Application of coal mine communication for DSSS can promote the coal mine communication according to analyse the impacts of coal mine environment to the coal mine communication,DSSS technology is profitable to strengthen the safety and achieve the demand of modernization of coal well.

通过分析矿井环境对矿井通信系统的影响,说明了将直接序列扩频通信技术在煤矿井下应用能推动煤矿通信的发展,对于加强煤矿的安全生产,提高抢险救灾能力,以及煤矿生产现代化都有非常重要的意义,最后给出了基于扩频芯片Z2000的矿井通信模型。

The problems in need of immediate solutions in coal mine communication are feeble antiinterference ability and poor speech quality.

　矿井通信急需解决的问题是提高通信系统的抗干扰性能和通话质量。

The problems in need of immediate solutions in coal mine communication are feeble anti-interference ability and poor speech quality.

矿井通信急需解决的问题是提高通信系统的抗干扰性能和通话质量。

According to the limitation analysis of the field bus communication technology,this paper discusses the feasibility and necessity of introducing the industrial Ethernet technology to the underground communication for coal mine.

本文通过对现场总线通信技术的局限性分析,讨论了工业以太网技术引入煤矿井下通信的可行性和必然性,提出了工业以太网在煤矿井下通信中的典型应用。

supply with a brattice, to ventilate mines.

装上矿井通风用的风幛。

mine static head

矿井通风系统静压头

Standard for the equipment of ventilative safety of colliery

矿井通风安全装备标准

Study on Ventilation Technology for Da Shuitou Hign Methane Mine;

大水头煤矿高瓦斯矿井通风技术研究

Research on the optimizing technology of ventilation system renovation for multi-airshaft mine

多风井矿井通风系统优化改造技术研究

By determining the ventilation resistance of the mine shaft ventilation system, it is found that the ventilation resistance in return airways is particularly large and the ventilation degree is middle.

通过对矿井通风系统进行通风阻力测定,发现矿井回风段通风阻力过大且通风难易程度为中等。

AUTOMATIC GENERATION OF VENTILATION NETWORK FROM MINE VENTILATION SYSTEM DRAWING

由矿井通风系统图自动生成通风网络图

Howden Axialflow Main Ventilator in the Mine Ventilation Application

Howden轴流主要通风机在矿井通风中的应用

mine velocity head

矿井通风系统的速度压头

This paper introduces a new software package of mine ventilation simulation system.

介绍一个矿井通风系统模拟软件包。

Research on Ventilation System Simulation and Its Applications in Jinchuan Mine;

金川矿井通风系统仿真及其应用研究

The Integrated Research about Pipe Flow and Field Flow in the System of Mining Ventilation;

矿井通风系统中管流场流一体化研究

The Research of Development of Computer Management System of Mining Ventilation;

矿井通风计算机管理系统的改进研究

Research and Implementation of Coalmine Ventilation Network Calculation Software;

矿井通风网络解算软件的研究与实现

Study of Mine Ventilation Network Analysis Based on COMGIS;

基于COMGIS的矿井通风网络分析研究

The Research of Mine Ventilation Management Visualization Technology

矿井通风信息管理及可视化技术研究

Development of Resolving Program for Mine Ventilation Network Based on VBA

基于VBA的矿井通风网路解算程序开发

Ventilation system based on artificial increasing pressure technology in high-altitude mines

人工增压技术的高海拔矿井通风系统