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- mine ventilation difficulty 通风难易
- Construction of Mine Ventilation System in Zhaojin (Group) Co. 招金(集团)公司矿井通风系统建设。
- This paper puts forward the nonplanar data model to solve the difficult question of 3d topology of mine ventil... 提出采用非平面数据模型来解决通风网络中的三维拓扑问题;
- The inverter reconstyunction of mine ventilator. 矿用通风机的变频改造。
- In the paper,the utilizations on natural energy resources in underground mine ventilation are discussed. 通过实例,对矿井通风中自然能源利用问题进行了分析和论述。
- Several problems were introduced which easily be ignored in mine ventilation design. 介绍了矿井通风设计中易被忽视的几个问题。
- MVSS has thegreat power of mine ventilation network solution and personate,intelligentize.Greate re... MVSS具有强大的网络分风解算能力和拟人化与智能化特点,大大地降低了现场员工对专业知识的要求。
- The optimal mine ventilation is influenced on multitudinous quota and the pacing factor synthesis. 矿井通风系统优选是受众多定量和定性因素综合的影响。
- In the program of BP network mine ventilation evaluation system, the author proposes the ATN mode BP network. 在利用BP网络对矿井通风系统进行评判预警的软件中，作者提出了以反正切函数为激励函数的ATN型BP网络。
- The grey characteristic of the mine ventilation system is including the randomicity and fuzzy. 为了更好的管理小青的通风系统,保障矿井的安全生产。
- In uranium mine ventilation, wind force, wind pressure and wind direction are the three major factors affecting radon reduction technology. 铀矿通风中,风量、压和风流方向是三个影响降氡技术的重要因素。
- Through the discussion of the two categories, the paper puts forward and expounds the fuzzy optimization of mine ventilation system. 通过对这两类问题的讨论,提出并论述了矿井通风系统的模糊最优化问题。
- Mine ventilation system (MVS), a main auxiliary system of the mine production system, has a fatal affect on the safety of the mine. 矿井通风系统是矿井生产系统的重要辅助系统,其可靠性高低对矿井生产和安全管理有着直接的影响。
- This article based on the mutation theory,proposes the application mutation theory optimal mine ventilation system synthesis appraisal. 本文基于突变理论,提出了应用突变理论优选矿井通风系统的综合评价。
- In uranium mine ventilation, wind force ,wind pressure and wind direction are the three major factors affecting radon reduction technology. 铀矿通风中,风量、风压和风流方向是三个影响降氡技术的重要因素。
- The mine ventilation system reliability is a maintainable system with complex, change with time and contain cool-stock components. 矿井通风系统是一个复杂、时变、含有冷储备部件的可修系统。
- 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。
- The mine ventilation system has its own performance.It is very difficult to precisely setup a mathematical model for controlled object and time lag. 由于煤矿通风系统的独特性和复杂性，要精确地建立具有时滞及控制对象的数学模型遇到较大的困难，因此，人们寻求了一些新的解决途径。
- Introduces the present status and problems of coal mine ventilation management,develops the dynamic management system for mine ventilation. 介绍了煤矿通风管理的应用现状及存在的问题,研究开发了煤矿动态通风管理系统。
- A difficulty has cropped up at work. 工作中突然出现困难。
