采煤
- coal mining;coal extraction;coal cutting;excavate coal
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[coal mining;excavate coal] 把有价值的煤从地壳中挖掘出来
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矿区采煤塌陷塘是煤炭生产建设的产物,是煤矿开采造成的重要地质灾害之一。
Excavate coal pool is one of the important geologic hazards , and it was caused by the exploitation of coal in mine .
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采煤是煤矿生产中的主要生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。
Excavate coal is primary production link in coal mine production , therefor , Weaving excavate coal working face supersedure plan has instructional meaning .
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矿工用机器采煤。
Miners hew coal with machines .
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乡镇企业有商贸、采煤、炼焦、采石、饮食服务业
Township enterprises in trade , in commerce , mining , coking , quarrying , food service industry .
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大功率电牵引采煤机PLC控制系统抗干扰技术的措施
High-power Electric Traction Shearer PLC Control System Anti-jamming Technology Measures
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厚松散层下近风化带保水采煤的GIS研究
Research on Water-Keeping Mining Under Thick Unconsolidated Strata Adjacent to Weathered Zone with GIS
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JOY采煤机大行星架轴承拆解办法
Analysis on the stripping method of planetary bearings of JOY shearer
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基于ADAMS的采煤机行走运动学分析
Kinematic Analysis of Shearer Travelling Based on ADAMS
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ERDASIMAGINE在采煤沉陷地复垦土方量计算中的应用
Application of ERDAS IMAGINE in the Earthwork Calculation of Subsided Land Reclamation for Coal Mining
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MLS3&170采煤机摆线转子泵损坏研究
The damage research of cycloid rotor pump of the MLS_3-170 type mining machinery
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分析了采煤机的常见故障,介绍了常用的采煤机故障诊断的神经网络方法:BP网络、ART网络和RBF网络。
The paper analyses coal-raining machine about its common malfunction and introduces usual neural network method of malfunction diagnosis for coal-mining machine : BP network , ART network and RBF network .
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既可节省能量,又提高了块煤率,并且还能击碎f≤5的岩石,从而论证了采煤机工作机构的发展方向&冲击式机构。
It can save energy , and increases lump coal rate , and can cut rock with a hardness scale f ≤ 5.The impact mechanism is considered as the trend of development of the mining machine .
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基于开采沉陷预计的采煤区下沉等值线图不便于直观地反映矿区地形的动态变化,其图形数据结构与数字地形图存在差异,难以直接用于规划设计和矿区GIS分析。
The settlement isoline map , based on subsidence prediction in mining area , is difficult to be directly applied to land planning in mining area and MGIS analysis due to its different data structure from digital terrain map .
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介绍了针对井下采煤机工作现场振动检测而开发的基于ARM7嵌入式微机的检测仪器。
The paper introduces a kind of inspecting instrument with embedded microcomputer based on ARM7 , which is developed aiming at spot inspection to vibration occurs from silo shearer .
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MG-400、MG-300采煤机行走部马达改造
MG-400 and MG-300 Coal Mining Machine Walks Motor to Transform
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近10a尘肺死亡的平均年龄比1987年前延长,尘肺死亡病例中,采煤工人的死亡比例最高,1987年以后采煤工的病死率和构成比与1987年以前相比有所下降。
The average death age in these 10s is older than that of before 1987 . Coal miners 's death from pneumoconiosis has a largest percentage among the cases .
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通过对不同射流冲击角时的速度场分析,表明数值模拟结果与已有实验结论相符,CFD技术可为采煤机喷嘴设计提供依据。
The speed field analysis at different jet impact angles showed that the numerical simulation results could be the same to the test results and the CFD technology could be the reference to the design of the nozzle of the coal shearer .
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AM-500G型采煤机的局部改进
Improvement of the AM-500G type coal mining machine
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MG160(150)/375-W型采煤机截割部的改进
The Improvement of the Cut Unit of the MG160 ( 150 ) / 375-W Shearer
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研究了第四系底部黏土层在水体下采煤中的作用,认识到当底黏厚度大于3m时,上部含水层对工作面充水量很小。
The functions of clay layer under Quaternary in under-water mining is studied , and when thickness of clay layer is larger than 3m , work face water inrush quantity is very little from upper water bearing layer .
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MGD250/300-NWD型电牵引短壁采煤机的特点
Features of MGD250 / 300-NWD short-wall shearer with AC electric haulage
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底喷采煤钻头的使用效果
Application effect of coal mining drill bit jetting mud from bottom
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采煤机喷雾嘴内流场数值模拟
Numerical simulation on flow field in spray nozzle of coal shearer
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极薄煤层钻采工艺在保护层开采中的应用克劳雷薄煤层采煤机
Extremely Thin Protectors Drilling Picks the Craft in Protector Mining Application
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采煤机沿铅垂方向振动的模拟与分析
Simulation and Analysis of a Shearer Vibration in the Vertical Direction
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整治采煤塌陷区环境促进矿区可持续发展
Renovating Environment in Subsidence Area and Promoting Sustainable Development of Minefield
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采煤机调高机构设计参数分析确定
Analysis and Determination of Designing Parameters for Regulating Shearer Height Mechanism
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采煤机液压系统噪声的分析与控制
Analysis and control of the hydraulic system noise of coal excavator
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采煤机滚筒调高记忆程控采样周期
The Sample Period of Memory Program Controlling for Shearer Drum Lifting
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我国采煤塌陷生态环境的恢复及开发利用
Eco environment Restoring and Utilization of Coal mining Collapse in China