1)mine ventilation network矿井通风网络
1.Calculation of system reliability for mine ventilation network based on boolean manipulation and minimization algorithm in the minimal cut sets;矿井通风网络最小割集不交和可靠度的计算
2.Study on Visual Simulation of Mine Ventilation Network Based on GIS基于GIS的矿井通风网络可视化仿真模拟研究
3.In this paper,based on the method of Boolean manipulation and minimization algorithm in the independence minimal path sets,and applied reliability engineering theory,a new method is proposed for calculating reliability of mine ventilation network system.运用可靠性工程理论及不交型积之和定律 ,在大型网络系统可靠度计算的基础上 ,提出了矿井通风网络系统最大线性无关最小独立路集予以真子集涤除的不交化可靠度计算的实现方法 。
英文短句/例句
1.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
2.Study of Mine Ventilation Network Analysis Based on COMGIS;基于COMGIS的矿井通风网络分析研究
3.The Application of MATLAB in the calculation of mine ventilation networkMATLAB在矿井通风网络解算中的应用
4.The Mine Ventilation Network Visual Software's Development and Realization;矿井通风网络可视化软件的研制与实现
5.Study of the Complicated Mine Ventilation Network Analysis and Its Adjustment Limits of the Releveant Parameters;复杂矿井通风网络解算及参数可调度研究
6.The Research and Implementation of Mine Ventilation Network Calculation and Diagnosis;矿井通风网络解算和诊断的研究与实现
7.Study on the Simplification and Application Analysis of Mine Ventilation Network Graph矿井通风网络图简化及应用分析的研究
8.Study on Visual Simulation of Mine Ventilation Network Based on GIS基于GIS的矿井通风网络可视化仿真模拟研究
9.Study on Reliability of Mine Ventilation Network System Based on Topological Relations基于拓扑关系的矿井通风网络系统可靠性研究
10.Development of Optimum System and 3D Simulation for the Mine Ventilation Network矿井通风网络三维仿真与优化系统的开发
11.Study on Three-dimensional Simulation and Optimum System of Mine Ventilation Network矿井通风网络三维仿真与优化系统研究
12.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。
13.The techniques to pretreat ventilation networks for analyzing it and the software of mine ventilation networks solution are presented in this paper.介绍了矿井通风网络分析前处理技巧以及解算软件。
14.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
15.Study on Automatical Generation of Stereoscopic MAP and Network Graph of Mine Ventilation System;矿井通风立体图及网络图自动绘制方法的研究
16.Network on Line Monitoring and Measuring of Mine Main Ventilator Based on PLC基于PLC的矿井主要通风机网络化在线监测
17.The Comprehensive Safety Evaluation Study of the Ventilation System in Coal Mine Based on the Artificial Neural Network (ANN) Measure;基于神经网络理论矿井通风系统安全综合评价研究
18.Study of Drawing and Binding Mine Ventilation System Graphs and Net Ones;矿井通风系统图和网络图的绘制及绑定技术研究
相关短句/例句
the calculation of mine ventilation net矿井通风网络解算
1.The Application of MATLAB in the calculation of mine ventilation networkMATLAB在矿井通风网络解算中的应用
3)mine ventilation矿井通风
1.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
2.Study on the optimization adjustment of mine ventilation system;矿井通风系统优化调节研究
3.Definition and classification research of mine ventilation information;矿井通风信息界定与分类研究
4)Ventilation network通风网络
1.New algorithm for computing ventilation network reliability based on network simplification technology;基于网络简化技术的通风网络可靠度新算法
2.Improvement of determination method of path quantity in ventilation network;通风网络中通路总数确定方法的改进
3.Determination of mine ventilation network max-flow based on independent paths;用独立通路法确定矿井通风网络的极值流
5)network ventilation网络通风
1.To counter the characteristics of New Qidaoliang Extra Long Tunnel with high altitude,changeable climatic condition and complicated air flow,the ventilation system under different operating condition is emulatively analyzed by network ventilation theory.针对新七道梁特长公路隧道海拔高、气候多变、洞内气流复杂等特点,运用网络通风理论,对不同工况下通风系统进行仿真分析,论证该隧道通风方案的合理性,优化通风设计和通风模式,保证隧道通风效果,降低通风营运费用。
6)mine fan矿井通风机
1.Design on reasoning engine of mine fan fault diagnosis expert system;矿井通风机故障诊断系统推理引擎设计
2.On-line monitoring system for mine fans矿井通风机在线监测系统研究
延伸阅读
高山地区矿井通风高山地区矿井通风mine ventilation in high elevation area gaoshan diqu kuangjing tongfeng高山地区矿井通风(mine ventilation in highelevation area)向海拔千米以上地区的矿井通人新鲜空气的过程。空气温度、大气压力随着海拔高度而变化。海拔每上升100m，气温下降约0.65C，气压下降约0.93325kPa。不同海拔的气温、大气压力可按下式计算: th~t。一月△H/100 P卜~P，一a△H/100式中t、、P。分别为在海拔高度为H米处的气温，C和气压，kPa;ta、P。为附近气象台站的年平均气温，C和年平均气压，kPa;△H为海拔高度为H处与附近气象台站间的高度差，m;口为气温梯度，夕一。，5一0.7C/10om;a为气压梯度，a~6一8(0.799932一1 .066576)kPa/100rn。 随着海拔高度的增加，空气重率则降低。即y一y0(1一H/443。。)5256。式中孔为标准状态下的空气重率，kg/m3。空气重率的降低引起通风风阻、通风阻力、扇风机的全压以及扇风机电机输人功率下降，但风量保持恒定，因此，扇风机效率不随海拔高度变化。以上参数可按下式计算:R一KrR。;h二Krho;H一KrH、Q=Q。;N=K:N。;7=夕。，式中R。、h。、H。。、Q。、N。、军。为标准状态下的风阻、阻力、全压、风量、功率和效率;R、h、H、Q、N、7为海拔高度为H处的风阻、阻力、全压、风量、功率和效率。 、r一哥一(‘一H/“300，525弓式中K，为高程校正系数。 因此，在通风设计时，不需要进行高程校正，高山矿井扇风机在实际运转时，其风量不变，风压降低，其值为设计风压乘以高程校正系数K二。 (赵梓成)
