查询词典 opencast mining

In practical engineering application of opencast mine, the actual distance and the map are often differences, how to establish a suitable local independent coordinate system is closely related to the mining safety problems.

在露天矿区实际的工程应用中，实测距离与图上距离往往差异较大，如何建立一个适合当地的独立坐标系统一直是与矿区安全生产密切相关的问题。

The monitoring system of opencast mining slopes deformation has been introduced.

文章介绍了露天矿边坡智能可动武自动监测系统的结构、工作原理，给出了监测实例。

With rapidly economic development and increasing in the demand for ecological environment, the bad ecological environment of disused opencast mining is causing bottleneck in the construction of ecological province.

随着我国经济实力的增强和人民对生态环境的要求日趋增高，废弃露采矿山恶劣的生态环境已成为城市发展和生态省建设的瓶颈。

In order to acquire the decision support in Opencast Mining, the geological structures of open-pit mine is expect to understand and grasp at any time.

矿山开采中人们希望能随时了解和掌握露天矿的地质构造，以便为矿山开采提供决策支持。

Based on geological model of deposits and by means of CAD method,the authors put forward the building method of layered opencast mining geological model, whose layers are composed of bench.

本文提出了在矿床地质模型的基础上，应用CAD技术。建立以台阶为单元的分层式矿床开采地质模型的方法。

The samples were taken from the slope of Haizhou Opencast Mine in Fuxin city.The results show that some components,such as the total hardness and sulfate,above-norm seriously in the beginning of the leaching experiment,and then became stable rapidly with the increasing of eluviate volume,and the pH values of eluviation solution more than seven.Haizhou surface mining will effect the groundwater for 20-25 years.

对从阜新海州露天煤矿岩质边坡取得样品的淋溶实验表明：淋溶初期总硬度、硫酸盐等组分严重超标，各组分随淋溶总体积的增加迅速趋于稳定；淋溶过程中pH＞7，淋溶液偏碱性；海州露天矿开采会对地下水影响20～25 a。

It shows that the particle vibration velocity is related to the maximum single sound charge,distance from the blasting point uo the measured point,types of explosive and blocking condition.While transforming opencast mining into underground mining,if a goave is filled up with gangues,the surface rock mass of slope ca...

在露天转地下开采时，如果对采空区充填废石，不仅可以使边坡表面岩体处于有利的三向受力状态，回填废石体还起到了爆破减震作用，同时还有明显的高频滤波作用，有利于保持地下巷道的稳定性。

Transforming opencast mining into underground mining ; blasting vibration ; safety monitoring ; backfilled gangue mass

露天转地下；爆破振动；安全监测；回填废石体

The reason: the town of Cerro de Pasco, some 35kms (22 miles) away, is being eaten up by opencast mining.

理由是：距离该地35公里（22英里）远的塞罗迪帕斯科镇正在被露天开采的矿井吞噬。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。