查询词典 mining engineering

This paper discusses the position and important role of local coal mining in whole coal mining industry, and looks ahead the developing trend of local coal mining.

本文分析了地方煤矿在整个煤炭工业中的地位及其在国民经济中的重要作用，展望了我国地方煤矿的发展趋势。

The elements of optical waveguide strain-stress measurement and fiber bragg grating strain-stress measurement system based on wavelength division multiplexing and spatial division multiplexing are emphatically discussed; the displacement regularity of stress field induced by roadway group excavating and short wall mining process is analyzed in detail; the concept of roadway "equivalent radius","correcting coefficient of coal and rock mass mechanical parameters",and "mining affecting coefficient" is put forward; the calculation method of "equivalent radius", the method of inversion of "correcting coefficient of coal and rock mass mechanical parameters", and the "mining affecting coefficient" determination method with the field measurement results and so on are provided.

重点研究了光波导应力应变测量原理，以及基于波分复用和空分复用技术基础上的布拉格光纤光栅应力应变测量体系；详细分析了近距离巷道群开掘工作和短壁体系回采工作诱发的应力场的重新分布规律；提出了巷道"当量半径"、"煤岩体力学参数修正系数"、"采动影响系数"等概念；给出了"当量半径"的计算方法、"煤岩体力学参数修正系数"的反分析求算方法、以及通过现

As an energy city of coal mining,Huaibei city,in the process of industrialization and urbanization,inevitably suffers the ecological pressure resulted from mining ans pollution.It has once been agonized by the ground sinkage caused by coal mining.

作为一座煤炭资源型城市，淮北在工业化和城市化的过程中，不可避免地承受着资源开发和工业污染所带来的生态压力，因采煤塌陷形成的塌陷区，曾经是困扰淮北城市发展的一大难题。

The following innovation are obtained by the investigation:(1)After the throughly study of the relation of mining industry development and Guizhuo national economy from many aspects, I get the conclusion that mining industry is the stanchion of Guizhou"s economic and in a long time in the future, the development of Guizhou"s economic will depend on mining industry.

本次研究取得以下几个方面的成果：﹙1﹚比较深入地从多个方面研究贵州矿业发展与贵州国民经济发展的关系。分析得出矿业是贵州国民经济发展的支柱结论，在今后相当长一段时间内，贵州仍将处于大量依赖矿产资源以支撑经济增长的时期。

The paper makes an analysis on the main influence factors to mining subsidence in strip mining as well as the stability and function mechanism of backfill body in backfilling mining .

文中对充填采矿条件下的充填体的稳定性和作用机理进行了分析，并对条带开采条件下地表沉陷的主要影响因素进行了探讨。

I urge you to read this supplement, in which we provide a review of exploration and mining opportunities (especially for gold, tantalite, coal, bitumen, lead and zinc), and a summary of the legal and fiscal regimes for mining, plus other general information, including contact details, which we hope will persuade you to shift your search for minerals to Nigeria - an exciting new mining destination.

更为重要的是，尼口利亚经济领域的改革得到了全球的认可，从而大大降低了我们的债务。尼日利亚也因此又成为了一个具有吸引力的投资目的地。也就在我们的透明化和反腐败措施取得进展的同时，尼政府进一步深入经济改革的使命也得到了更多的推行。国际透明化和世界经济论坛以及世界银行的全球竞争力报告，最近都表扬尼日利亚在这些重要领域取得巨大进展。

Coal-bearing seams in Shenyu mine area inclines northwest, the bedrock thickness on the coal seams increases northwest, and there are generally red soil water-resisting layer on the bedrock. To study on the coal-water friendly geological conditions for the water-resisting layer during the coal mining process, and to determine mining zones without causing obvious water table decline are an important approach to the water-conserving mining in the fragile ecological mine area of North Shaanxi.

榆神矿区含煤地层整体向北西倾斜，煤层上覆基岩厚度向北西方向增大，基岩之上普遍分布有红土隔水层，深入研究煤炭开采过程中不对含水层造成破坏的煤水共生地质条件，确定既可采煤、又可实现水位不明显下降的区域，是陕北生态脆弱矿区保水开采的重要途径。

This paper is based on data mining technology,use weka as a library data mining software tool,use weka's j48 tree algorithm and data association analysis library data.mining useful data which user needs from the mass library data and get reasonable results.ultimately to improve work efficiency and scientific management.

该文以数据挖掘技术为基础，利用weka软件作为图书馆数据挖掘工具，通过weka里的j48树算法和数据关联等算法，对图书馆的馆藏数据进行相应的分析，从海量数据中挖掘出用户需要的有用数据，并得到合理的统计结果。最终达到提高工作效率，能够科学管理的目的。

Seriously study the relevant knowledge of data mining, data mining algorithms and analysis of how data mining,and based on the open source software Weka data entry, classification, clustering, association, meta-learning programs and attributes,Examples filter algorithms for analysis, and the second on how to use the Weka done for the development of an in-depth and meticulous research.

在深入学习Struts开发框架，分析模型-视图-控制器（Model-View-Controller，MVC）设计模式，Struts的类库结构及Tag库以及输入验证及错误处理机制的基础上，充分利用Struts的优点，扬长避短，不仅大大提高了生产效率，而且明晰了系统结构，为系统进一步扩展提供了良好的前提条件。

Algorithm overcame the limitation that digs algorithm at present, mining flow structure while mining management handles action, strengthened process mining applicably quality.

算法克服了目前挖掘算法的限制，挖掘流程结构的同时挖掘管理操作行为，加强了过程挖掘的可适用性。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。