• 系统可以根据采场条件开采参数预计采场岩的运动规律,安全开采提供科学依据

    That system can forecast movement of site cover rock and provide the scientific bases for safe exploitation according to the conditions of cover rock of the site and the exploitation parameters.

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  • 松散层基岩开采引起地表移动规律地表移动参数明显自身特点规律。

    The regularity and parameter of surface movement aroused by mining under thick soil layer and thin base rock have its obvious characteristic and regularity.

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  • 文章指出地下开采引起地表下沉的预计方法许多有不同的参数

    Different methods with different accompanied parameters could be used to predict the ground subsidence trough caused by underground mining.

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  • 采用合理采场结构参数实现深部矿体安全高效开采控制地压危害重要措施

    Adopting rational stope structure parameters is an important measure to exploit the deep deposit safely and to guard against the terra-pressure damages.

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  • 地表移动观测站获得煤矿开采沉陷参数重要依据

    The observation station of surface movement is the important basis of acquiring the parameters of coal mining subsidences.

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  • 通过对MG 150pw煤层采煤参数结构设计原理进行分析论述极薄煤层开采中的发展前景

    Through analysing the parameter, construction, designing principle of MG150PW extremum thin seam coal winning machine. This paper discusses its developing vista in extremum thin seam mining.

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  • 针对石人沟铁矿露天地下过渡期开采I区地下采场结构参数问题展开深入研究

    In this paper, the research is carried out deeply aimed at the problems of the structure parameters of underground stope for transition from open pit to underground Mining in Shirengou Iron Mine.

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  • 渗透性控制煤层气开采主要储层参数之一

    The coal reservoir's permeability is one of the most important parameters in controlling CBM exploration.

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  • 水泥原料矿山开采调度系统主要解决不同平台开采穿孔爆破技术经济参数优化问题。

    Mining scheduling system model of cement material quarry is mainly to solve drilling - blasting technical economic parameters of different platforms.

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  • 通过对模型中的参数进行模糊处理改进一次计算了地下水过量开采模糊风险率。

    The parameters of the model are fuzzily processed and the fuzzy risk can be evaluated by using the modified first order second moment method.

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  • 采用合理的采场结构参数控制地压危害实现矿体安全高效开采重要措施

    Adopting some reasonable structural parameters for stope is a key measure to control ground pressure and achieve the safe and efficient exploitation of ores.

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  • 经济参数变化储量评价结果影响主要改变了税前净现金为零时间改变经济开采年限。

    The influence of economic parameters on the results in reserve estimate is mainly the change of time in zero of pretax net cash flow, that is, the change of economic life.

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  • 齐大山铁矿随着开采条件地质条件变化原有爆破参数不能适应爆破生产要求

    With the change in the mining conditions and geological conditions in Qidashan Iron Mine, the original blasting parameters can not meet the requirements of blasting.

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  • 压裂煤层气开采重要手段之一,而压裂前获取煤层相关地层参数压裂设计及压裂施工十分必要

    Fracture operation is one of the important manners for exploitation of CBM and to obtain enough information is very critical for fracturing treatment in a coal bed methane formation.

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  • 油水相对渗透率油田开发方案编制、油田开采动态预测油藏模拟中的重要参数

    Oil-Water relative permeability is an important parameter in the drawing up oilfield development scheme, the predicting of oilfield production performance and the reservoir simulation.

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  • 哈拉沟煤矿2 - 2煤层开采系统介绍了神东矿区连续采煤壁式机械化开采巷道系统及其相关参数

    Taking 2-2 coal seam of Halagou coal mine for example, laneway system and its interrelated parameters with short-wall and continuous mining machine in Shendong mining area were introduced.

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  • 通过观测资料分析研究获得了该区条件下高强度综放工作面开采地表移动变形规律各种参数预计参数

    By analyzing and studying the survey data, we have obtained ground movement and deformation rules and different kinds of Angle parameters as well as prediction parameters under the condition of.

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  • 地层破裂压力钻井工程井下作业稠油油藏热力开采重要参数

    Formation burst pressure is one of the key parameters for the thermal production of heavy oil, drilling engineering and downhole operation.

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  • 主要影响正切开采沉陷预计重要参数对于地表影响范围的确定具有重要的意义。

    The tangent of the main influencing Angle is an important parameter for mining subsidence prediction and surface displacement range demarcation.

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  • 通过上述研究中厚矿体崩落法卸压开采参数选择优化提供了相应的依据和方法。

    Based on the research above, it provides a basis and proposal for the choice and optimization of parameters for depressurized mining of the medium-thick ore-body.

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  • 矿山开采调度系统主要解决不同平台开采穿孔爆破技术经济参数优化问题。

    Mining Scheduling System model is mainly used for the optimization of drilling-blasting technical and economic parameters of different platforms.

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  • 采用正交试验方法岩体稳定性原则建立目标函数获得滨海基岩开采最佳采场结构参数

    Using the Orthogonal test method, the optimal structure parameters in subsea mining are obtained by constructing a objective function based on the principle to keep the stability of rock masses.

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  • 将模糊灰元与矿岩稳定性评价结合,从地下开采角度选取能够反映矿岩稳定性参数进行评价。

    In view of underground mining, an ore-rock stability evaluation was taken combining the fuzzy-grey-element, on the parameters that are capable to reflect ore-rock stability.

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  • 通过河南油田分公司第二采油厂稠油注汽锅炉系统热效率参数测试分析,找出了造成热效率敏感因素

    Based on test and analysis of the parameter of the thermal efficiency of steam injecting boiler, the sensitive factors leading to low thermal efficiency are found.

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  • 绝对渗透率-相对渗透率预测煤层气开采甲烷水的产极为必要参数

    The absolute permeability rate of coal and relative permeability rate of gas-water are the necessary parameters for forecasting the birth rate of coalbed methane and water in mining.

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  • 井下温度压力作为流体性的重要参数多次地应用指导油气开采

    Underground Temperature and pressure as an important parameter of reservoir and fluid properties, was repeatedly applied to guide the oil and gas exploration.

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  • 煤炭开采工程应该水文地质勘察工作前期地质勘探工作结合进行查明基本的水文地质条件相关参数

    Mining project should be carried out by combining hydrogeological survey with geological survey of previous period so as to establish basic hydrogeological condition and correlated parameters.

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  • 煤炭开采工程应该水文地质勘察工作前期地质勘探工作结合进行查明基本的水文地质条件相关参数

    Mining project should be carried out by combining hydrogeological survey with geological survey of previous period so as to establish basic hydrogeological condition and correlated parameters.

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