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起重机
相关语句
  crane
    Fatigue Test of the Thin-wall Box Model Beam of the Crane and Research into the Fatigue Strength
    起重机薄壁箱形模型梁疲劳试验和疲劳强度的研究
短句来源
    A Study of the Crane Arm Split Caused by Residual Stress of the Welded End
    用热弹塑性理论研究起重机臂架焊缝端残余应力引起的开裂
短句来源
    Determining the Initial Stress in Gantry Crane Steel Structure by Magnetic Method
    用磁测法测定龙门起重机钢结构初始应力
短句来源
    Design of Reinforced Concrete Wharf With Bridge Type Crane and Cargo-handling Technology
    钢筋混凝土桥式起重机码头的设计及装卸工艺
短句来源
    Dynamic Analysis and Response of the Crane Hoist
    起重机起升机构动态分析及其响应
短句来源
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  cranes
    Exploration on the Definition of the Hoist Moment of Tower Cranes
    关于塔式起重机起重力矩标定定义的探讨
短句来源
    The Development of an Integrated CAD System for Designing the Structure of Jib Cranes
    中小港用起重机金属结构CAD系统的开发和研究
短句来源
    A Microcomputer Software for Optimizing the Truss Jibs of Cranes
    适用于微机的起重机桁架臂架优化设计软件
短句来源
    Research on the Fatigue Life of Metal Structures of Shore Container Cranes
    岸边集装箱起重机金属结构疲劳寿命研究
短句来源
    Application of Network Link Functional PLC to Cranes in the Harbor
    具有网络链接功能的PLC在港口起重机上的应用
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  “起重机”译为未确定词的双语例句
    Design of the Sideway Track Box Plate Girder of the Double Beam Shop Traveller
    葫芦双梁桥式起重机偏轨箱形梁的设计计算
短句来源
    The optimization of a Prestressed Box Maingirder
    桥式起重机预应力箱型主梁的优化设计
短句来源
    Simplified Calculation of the Brake System Reference Count on the Hoisting Meckanism of
    变频起重机起升机构制动系统参数的简化计算
短句来源
    The Research of the Key Technology of Container Rail Mounted Gantry
    集装箱轨道龙门起重机及关键技术研究
短句来源
    The Structural Dynamic Analysis of Light Duty Port Machinery
    轻型港口起重机结构的动态分析
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  crane
The algorithm of control of a multivariable plant was used to solve the problems of control of the overhead crane and calculation of the cost of option for buy (sell) of shares.
      
An experiment is described on artificial insemination of females of the white-naped crane Grus vipio by the frozen-thawed semen of the Siberian white crane G.
      
As a result, an interspecific hybrid of cranes was obtained, which confirmed the possibility of producing a bank of cryoconserved crane semen.
      
The use of the white-naped crane females was due to the absence of conspecific males and unavailability of Siberian white crane females.
      
Problems of artificial insemination and cryoconservation of semen of rare crane species are discussed.
      
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  cranes
Obtaining an Interspecific Hybrid of Cranes by Artificial Insemination with Frozen-thawed Semen
      
Studies of artificial insemination of cranes and cryoconservation of their semen have been carried out in the nursery of rare species at the Oka Biosphere Reserve for many years.
      
As a result, an interspecific hybrid of cranes was obtained, which confirmed the possibility of producing a bank of cryoconserved crane semen.
      
Obtaining an Interspecific Hybrid of Cranes by Artificial Insemination with Frozen-thawed Semen
      
Studies of artificial insemination of cranes and cryoconservation of their semen have been carried out in the nursery of rare species at the Oka Biosphere Reserve for many years.
      
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The Yangtze Valley Hydro-electric Scheme is an abnormally tremendous en-

长江三峡水利枢纽是世界上极其伟大的共产主义工程。仅只为浇注大坝混凝土用的施工栈桥就异常庞大。在栈桥上面要铺设标准轨距的轨道五条和同时运用30台每台自重达700吨的巨型双悬臂起重机的轨道两条。第一期工程所需的栈桥高达90米,随后还要求整个桥面提升两次,每次提升高度为35米。而且,整个栈桥还必须在预定的期限内,迅速完成安装和提升工作。本文系对栈桥的初步设计提出初步研究成果。栈桥的梁部结构建议采用焊接钢钣梁,主梁为全焊24米跨度的标准铁路钣梁。对支墩结构提出两个方案:一个是两米直径钢筋混凝土管柱支墩;另一个是钢塔架结构。在本文中提出了初步设计的必要数据,包括两个方案的工程数量,安装方法和工期等等。建议采用的是钢筋混凝土管柱支墩方案,主要考虑钢材的节约。

The design of the sideway track box plate girder of the double beam shop traveller is described. Experiments show that the performance, of the traveller meets all the requirements specified. Compared with other double beam shop travellers produced in this country, it saves steel by 5.4% and reduces machining hours by 70%, thereby lowering the cost to 55%.

本文介绍20吨葫芦双桥梁式起重机及其偏轨箱形梁的设计计算。试验证明各项性能指标满足使用要求,设计理论与实践相符合。它与我国现在生产使用的电动双梁桥式起重机相比,节省钢材54%,减少加工工时70%,降低成本45%。

The form of camber curve of crane beam is discussed here, and also the optimal amount of cambering. Analyses show that the theoretical form of camber curve should be a parabolic curve of 4 degree with horizontal tangents at both beam ends, while the common crane building praxis uses a parabola of 2 degree. The author has approached a general rule for compensating the elastic deformation of crane structure. Examples are given for the design of the level-luffing system of jib cranes and floating cranes. A method...

The form of camber curve of crane beam is discussed here, and also the optimal amount of cambering. Analyses show that the theoretical form of camber curve should be a parabolic curve of 4 degree with horizontal tangents at both beam ends, while the common crane building praxis uses a parabola of 2 degree. The author has approached a general rule for compensating the elastic deformation of crane structure. Examples are given for the design of the level-luffing system of jib cranes and floating cranes. A method of luffing system design is also suggested to economize the live balancing-weight.

本文讨论了桥式起重机主梁预拱曲线的形状与预拱度大小的问题。分析结果指出,合理的预拱曲线应当是两端具有水乎切线的四次抛物线,而不是通常采用的二次抛物线。通过分析,得到了进行起重机金属结构弹性变形补偿的一般规律,并把它应用到门座起重机与浮吊的变幅系统设计中。最后,还提出了利用补偿方法节省变幅系统自重平衡活动对重的重量的可能性。本文写于1975年3月.1976年5月28日收到修改稿。新建议新设想

 
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