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belt     
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    Metallogeny of Copper Ores from the Lancangjiang Metallogenic Belt in Western Yunnan
    滇西澜沧江成矿铜成矿学研究
短句来源
    Study on the Metallogenic Series of Cobalt Deposits in Eastern Kunlun Orogenic Belt
    东昆仑成矿钴矿成矿系列研究
短句来源
    Deeo-Space Metallogenic Predication Study and Its Application in Jiaojia Gold Belt of Shandong
    山东省焦家成矿深部金矿成矿预测研究及其应用
短句来源
    Study and Prognosis on Geological-Geochemical Dynamics of Mineralization in Kanggultag Gold-Copper Ore Belt, East Tianshan
    东天山康古尔塔格金铜矿成矿地质地球化学动力学研究及预测
短句来源
    Geological Setting and Metallogenesis of Lehua-Dexing Metallogenic Belt in Northeastern Jiangxi Province
    赣东北乐华—德兴成矿成矿环境与成矿作用
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  皮带
    Remote Signal Receiver of High Anti-interference for Underground Belt Nucleonic Scale
    井下核子皮带秤高抗干扰远距信号接收器
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    A safety inspector for belt conveyor
    皮带机的一种安全检测装置
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    APPLICATION OF CST IN LARGE SIZED BELT CONVEYOR
    CST在大型皮带运输机中的应用
短句来源
    TRANSFORMATION OF BELT ORE FEEDING PASSES
    皮带给矿溜子的改造
短句来源
    Arm Belt Loss Analysis For QLK1200.51 Reclaimer And Preventative
    QLK1200.51型取料机悬臂皮带损耗分析及防治
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  胶带
    Design Calculation on Turning of Belt Conveyor
    胶带输送机转弯运行的设计计算
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    Major Problems and Maintenance of Electro-control System on German-made BES-800 Belt Conveyor
    BES-800胶带机电控系统的主要问题及其维修
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    Belt Shaping in Transition Section of Pipe Conveyor
    圆管式胶带输送机过渡段胶带成形分析
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    Application of large pneumatic cushion belt conveyor in coal mine
    大型气垫胶带输送机在煤矿的应用
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    CURVE FRICTION DRIVE OF BELT CONVEYORS
    胶带输送机的曲线摩擦驱动
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  带式
    Program Control and Instrumentation Regulation System for Horizontal Belt Vacuum Filter
    水平带式真空过滤机的程序控制和仪表检测调节系统
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    Designing and calculation of belt conveyer with middle strip driving
    中间带条驱动带式输送机的设计计算
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    Probe into design calculation of linear multi-drive belt conveyer with middle drive
    多点线性中间驱动带式输送机设计计算探讨
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    THE DESIGN AND APPLICATION OF ENDERGROUND CURVED BELT CONVEYOR
    井下弯曲带式输送机的设计与应用
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    Design and application of hover belt conveyor
    气垫带式输送机的设计与应用
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  belt
Effect of soil water changes on photosynthetic characteristics of Taxodium distichum seedlings in the hydro-fluctuation belt of
      
Four different kinds of water treatment were applied to examine the photosynthetic characteristics of baldcypress (Taxodium distichum) seedlings in the hydro-fluctuation belt of the Three Gorges Reservoir area.
      
distichum takes on the features of a water-tolerant and hydrophilic plant, which can be considered as one of the species for the building of a forest protection system for the hydro-fluctuation belt in the Three Gorges Reservoir area.
      
Given these facts, some management measures for conservation and restoration of the riparian forests are proposed, including the establishment of riparian forest buffer belt, bank stabilization measures, and maintenance of flood protection.
      
The bamboo Fargesia nitida, one of the giant panda's main food sources and the dominant shrub species of the forest understory, is mainly distributed in the dark coniferous belt in western Sichuan and southern Gansu in China.
      
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The centrifugal separator is an equipment for beneficiation of ore slimes,de- veloped and manufactured by the Yunnan Tin Mines Company,China.The charac- teristics of Chinese wolframite slimes,the flowsheet of primary concentration and cleaning of these slimes using the separator and its performance are described in this paper.Primary concentration by tables and centrifugal separators,and cleaning by belt strake may obtain a tungsten concentrate containing 40-45% WO_3 with re- covert 55—60% from wolframite...

The centrifugal separator is an equipment for beneficiation of ore slimes,de- veloped and manufactured by the Yunnan Tin Mines Company,China.The charac- teristics of Chinese wolframite slimes,the flowsheet of primary concentration and cleaning of these slimes using the separator and its performance are described in this paper.Primary concentration by tables and centrifugal separators,and cleaning by belt strake may obtain a tungsten concentrate containing 40-45% WO_3 with re- covert 55—60% from wolframite slimes assaying 0.2—0.4% WO_3 In this case the oper- ation recovery of the centrifugal separator is ranging from 58% to 80% WO_3 with the concentration ratio 4.4—5.7.The capacity of the separator is in the range of 14—19 t/m~2 per day.The lower size limit for effective concentration is 10μ.

离心选矿机是我国云南锡业公司研制的矿泥选别设备。本文叙述我国黑钨矿泥的性质、离心选矿机用于黑钨矿泥粗选和精选的流程及指标。处理黑钨矿泥时,它的处理能力为14~19(吨/米~2·日),有效选别粒度下限达10微米,粗选回收率58~80%,富集比4.4~5.7,精选回收率76~92%,富集比5.9~6.9。

The wide belt photometric sorter is a new pre-concentrating device for coarse ores based on the difference of light diffuse reflectance between surfaces of the valuable ores and barren rocks.The feed materials which occur as a monolayer ore stream on the belt,are detected by a photodetecting system.The signal from the system,after treatment of an electronic control device are used to energize the corresponding action of high speed jet valves,separating out valuable ores from the stream.The main features...

The wide belt photometric sorter is a new pre-concentrating device for coarse ores based on the difference of light diffuse reflectance between surfaces of the valuable ores and barren rocks.The feed materials which occur as a monolayer ore stream on the belt,are detected by a photodetecting system.The signal from the system,after treatment of an electronic control device are used to energize the corresponding action of high speed jet valves,separating out valuable ores from the stream.The main features of this machine are of simpler structure,better metallurgical results,and larger throughput of single machine.Metallurgical re- sults procured in industrial tests were as follows:average recovery of valuable ores 84.4%,average rejection of waste material 83.8%,throughput per hour 4.5 tons and 7 tons respectively for material in the 20—30mm and the 30—50mm size range.

平皮带光选机是一种粗粒矿石预选脱废的新设备,它利用合格矿石与废石表面对光线漫反射率的差别进行拣选。入选矿石在平皮带上呈单层矿粒流被光检系统检测,产生的信号经电子控制系统处理后,激励相应的高速喷气阀动作,把合格矿石从矿流中分离开来。该机的主要特点是设备结构较为简单,而获得的分选指标较好,单机处理量较大。在工业试验中,脉石选出率平均84.4%,废石丢弃率平均83.8%,分选20~30mm 和30~50mm 粒级的矿石,每小时处理量分别达到4.5和7T。

The method for measuring the rotation drag of the idlers for belt conveyor is described. The test data processing is also discussed. A general formula for calculating the rotation drag of the idler is obtained by fitting a curve. With the aid of a computer the rotation drag can be determined easily under different RPM for different types of idlers.

本文介绍了胶带运输机的托辊旋转阻力的测定方法。讨论了试验数据的处理方法。对试验数据进行了曲线拟合,得出了计算托辊旋转阻力的普遍公式,藉助于计算机,对不同型式的托辊都可以方便地确定各种转速下的旋转阻力。

 
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