Comprehensive protection of urban environment usually results in the destruction of environment and ecology in town-and-country combining zone, which suffers from not only the agricultural environmental problem but also the destruction from urban industrial wastewater, solid waste and air pollution.

Town-and-Country combining zone is a transitional belt between urban and countryside, where environmental problems combine industry pollution with agricultural ecological destroying, showing distinctive particularity and complexity.

城乡结合带是城市与农村之间的一个过渡区带，环境问题集城市工业污染与农业生态破坏于一身，具有明显的特殊性和复杂性。

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Study on the Al-Fe Combining Zone of Inserting Cast-in Iron Ring Aluminum Alloy Piston

镶圈铝合金活塞铝铁结合区的研究

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Main Environmental Problems of Town-and-Country Combining Zone and Its Comprehensive Control Strategy

城乡结合带主要环境问题及其综合治理对策

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The system obtained high opinion because of its large conveying capacity, relative low chip dust content in conveying, steady running and small amount of maintenance.

该系统具有输送能力大，输送中造成的切片粉尘含量相对较低，运行可靠，维护工作量小等优点。

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Thus, the conveying capacity is the largest, wear and tear on the bottom of the slide is minimal.

此时输送量最大、槽底磨损极小。

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The conveying capacity and quality of conveying materials are directly associated with whether the conveying pipeline is connected in a correct manner.

输料管连接方式的正确与否，直接影响到输送量和物料的品质。

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The screw extrusion expansion drying machine has the advantages of large conveying capacity, high melting performance, good drying effect of the machine.

该螺杆挤压膨胀干燥机具有输送能力大和熔融性能高，设备干燥效果好的优点。

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Lines conveying capacity, long distance, also can be finished in conveying process and some process operation, so widely used.

流水线输送能力大，运距长，还可在输送过程中同时完成若干工艺操作，所以应用十分广泛。

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This paper discusses the factors which affect conveying capacity and provides the theoretical basis for designing and using the equipment.

本文从理论上论述了影响气力输送物料流量的各个因素，为设计和使用设备提供了理论依据。

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Calculation to the Conveying Capacity and the Tube Diameter of the Tubular Belt Conveyor

管状带式输送机输送量与管径的计算

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Integral default diagnosis technology of gearbox for hoisting and conveying machinery

起重运输机械齿轮箱故障不解体诊断技术

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Hoisting and conveying machinery is widely used in the various fields of national economic construction.

起重运输机械广泛地应用在国民经济建设的各个领域。

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Terms of conveying machinery& Unit and component parts

GB/T14521.3-1993运输机械术语装置和零部件

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Hoisting and conveying machinery research and development Management Process

起重运输机械产品研发过程管理之我见

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New methods of calculation in design of hoisting and conveying machinery

起重运输机械的新设计计算方法

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The cavitation phenomenon exists widely in many domains with liquid transporting process. The occurrence of cavitation will decrease the performance of conveying machinery and cause cavitation erosion, lead to additional vibration. The uncontrollable cavitation will cause serious or even disastrous consequences.

空化现象普遍存在于诸多领域内液体输送过程中，空化的发生会造成输送机械性能的下降，产生空蚀破坏，引起机组振动加剧，无法控制的空化会产生严重的甚至是灾难性的后果。

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Scattered material conveying machinery is one important composing part of elevating machinery.

散状物料输送机械是起重运输机械中广泛应用的一种形式。

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Thanks to their big conveying capacity, high efficiency and low cost, belt coveyors have gained wide application in mining operations across the world.

带式输送机具有运输能力大、效率高、成本低的优点，因此广泛在国内外矿山应用，恰那铁矿和晋宁磷矿的带式运输系统分别是国际和国内具有代表性的典型实例。

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The lift height, the distribution ratio of liquid flow, the liquid conveying rate and the efficiency increased with the increase of the discharge pressure.

当抽吸压力不变时，随压冲压力的增大，涡流二极管泵的扬程、流量分配比、输送量及装置效率都随之增加。

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The users have more requests to conveying quality and efficiency. So it becomes necessary to control the air pressure and flow system and the terminal pressure system.

而用户对炭黑输送质量与输送效率的要求也日益提高，这就使得对气源压力、流量系统和终端压力系统这两个气力输送系统的子系统进行有效的控制变得非常必要。

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