矿井

Based on analysis of characteristics of the roof and floor of each minable seam,this paper demonstrated some common issues occurring in underground working activities,providing reliable data for helping shaft geologists with their engineering design and construction and then contributing to mining activities in a better way.

通过对童亭井田各可采煤层顶底板特性分析，对不同顶底板岩性及采掘中遇见的问题进行了说明，为矿井地质工作人员设计、施工提供了可靠的地质依据，以更好地为矿井生产服务。

Nam Fung, chairman of Chemical million new building south of Jiangsu Chemical recently mirabilite resources and of the layout of the mine, drilling and so a detailed understanding of the company to take the layout of the scientific, rational exploitation of the mine operation cycle and improve resource expressed appreciation for the use of the practice.

南风化工新任董事长万建军最近对江苏南风化工的芒硝资源状况和矿井的布局、钻探等情况进行了详细的了解，对公司采取的科学布局、合理开采、提高矿井运行周期和提高资源利用的做法表示赞赏。

By these technical methods and obey the principle which is complete exploration; find condition; drainage is first combined with blind in and mine is the last after drainage which after exploration, sandrock water is controlled completely.

通过这些技术手段，遵循&综合勘探，查明条件，以疏为主，疏堵结合，先探后疏，先疏后采&的原则，彻底治理砂岩水，对梁宝寺矿井的防治水工作及巨野煤田内其它矿井的防治水工作有一定的指导和推广应用价值。

Under the demand of wrecking-drainage system in different gradient deep mines, a mathematics model for analyzing the hydraulic transient of the sideling large-scale submersible motor pump drainage system is established, and the hydraulic transient of six different angles of the drainage system caused by power failure are calculated.

针对不同倾斜角度深部矿井中抢险排水的要求，建立了斜置大型潜水电泵排水系统水力过渡过程分析的数学模型，计算了6种不同矿井倾角排水系统的事故停机水力过渡过程。

This paper expounds the feasibility of using the underland voltage o f 10 kV in the coal mine, analyzes the problems existing in the current use of t he underland voltage of 10 kV in the coal mine, makes comparison of the power-s upply schemes of the underland voltage of 10 kV and 6 kV in a certain large-sca le coal mine, and puts forward corresponding suggestions for the levels of the u nderland voltage of the coal mines with different scales.

阐述了10kV电压下井的可行性，分析了目前井下采用10kV供电电压等级存在的问题，对某大型矿井10kV和6kV下井电压的供电方案进行了比较，对不同规模矿井的下井电源电压等级选择提出了相应的建议。

Through analyzing and calculating three great style factors,which include thirty six small factors and affect coal ventilative system,can reflect the ventilative system status more scientific and rational.

该方法通过对影响矿井通风系统的 3大类型指标集共 3 6小项进行了分析与计算，从而能够更直观、更合理地分析矿井通风系统的状况。

On the basis of analysing the mine production and haulage System the basic concepts and calculating methods for the reliability degree of mine production and haulage system are put forward The mathematical models for assigning the reliability degree and deigning the system are established in this paper .

本文在分析矿井生产运输系统的基础上，提出了矿井生产运输系统可靠度的基本概念及其计算方法，建立了可靠度最优分配的数学模型及最优生产运输系统可靠性设计的数学模型

Based on reliability theory,a reliability model for dewatering system in underground mine is established.

利用可靠性工程理论，建立了矿井排水系统可靠性模型，并用其分析法确定排水泵的台数，提高了矿井排水系统可靠性和安全性，该方法也可应用到其它工程实践。

Based on analyzing the necessity of preventing malignant overwinding accident of mine hoist, the paper studied some technologies and methods of preventing malignant overwinding accident of mine hoist.

在分析防范矿井提升机恶性过卷事故必要性的基础上，文章研究了几种预防矿井提升机恶性过卷事故的技术与方法。

At the same time, it gets a series of basic data used for mine construction during the cooling system design and equipment selection according to the measured results; Using the analysis software Matlab, it obtains the change relations between the temperature of sprinkler room and fan export supply air temperature, wind casing temperature rise and fan export supply air temperature, working face temperature and supply air temperature, used for the mine cooling which has the similar conditions.

同时根据实测结果总结得出了一系列可用于矿井建设期间降温系统设计及设备选择的基础数据；并利用MatLAB分析软件回归得出了喷水室喷水温度与风机出口送风温度之间、风筒温升与风机出口送风温度之间、工作面温度与送风温度之间的变化关系，以便供类似条件的矿井降温所借鉴。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。