它是由非常坚固重轨黑色粉末涂层钢板。
It is made of extremely rugged heavy-gauge black powder-coated steel.
尤其是热态重轨的在线检测更是关注的焦点。
Especially the online detection of the thermal heavy rail is the focus of attention.
缺损和小裂口则是因重轨踏面局部熔融所造成的。
It is also found that the spall and fine cleft are due to local melting of heavy rail tread.
此模型可用于预报不同时刻重轨断面上的温度分布。
The model can calculate the temperature change of the section steel at different times.
针对攀钢大方坯连铸结晶器，采用四孔水口浇注重轨钢。
A new submerged entry nozzle (SEN) with four outlets was used for casting heavy rail steel.
重轨表面缺陷的自动检测，长期以来一直是期待解决的问题。
Automatic detection of heavy rail surface defects, has long been expected to solve the problem.
结果表明，轧制高精度重轨的最好方法是使用全万能成品孔。
The universal finish pass is the best method of rolling high precision heavy rail.
采用先进的称重轨整体台面技术，使台面结构简单，稳定性好。
With advanced technique of integral platform in weighing track, the platform is simply in structure and with good stability.
本文对我国钢轨钢的生产情况及重轨钢的冶炼技术做了综合论述。
The production status of rail steel and smelting technology of heavy-rail steel in China are summarized.
RMS- 343架装工业计算机机箱由重轨钢构成，耐用和耐腐蚀。
The RMS-343 rackmount industrial computer chassis is constructed of heavy-gauge steel for ruggedness and corrosion resistance.
本文结合生产，对鞍钢大型碱性平炉冶炼重轨钢的脱氧问题进行了试验。
Experiments were carried out with a view to ascertaining the most suitabledeoxidation process for basic open-hearth smelting of rail-steel in Anshan works.
沿着游戏与事实的两重轨迹，他渐渐的揭开了一个掩饰亿年的惊天隐秘。
Along with the double track that game, he gradually unravels a disguise million years startling secret.
液压装置完成称重轨的垂向调节，同时可模拟机车车体对转向架进行加载。
Hydraulics device is applied to controlling the weighting track and simulation the weight of locomotive body loaded on the bogie.
正是在此基础上，本文提出了基于机器视觉的热态重轨表面缺陷检测系统。
It is on this basis, the paper proposes a surface defects detection system of thermal heavy rail based on machine vision.
重轨表面温度、矫前温度及相对应的冷却时间计算值与实测结果基本相符。
The theoretical prediction values of the surface temperature of heavy rail, the straightening temperature and corresponding cooling time are in reasonable agreement with experimental results.
矫直辊压下量和重轨弯曲度的减少，可以降低矫直对重轨断面尺寸的影响。
The decrease in reduction and camber of rail could reduce the straightening effect on the cross section dimensions of rail.
根据包钢重轨钢的冶炼条件，采用VD真空处理降低钢液中氢含量是完全必要的。
According to smelting condition of Baotou iron and steel group, VD refining process should be adopted to reduce the hydrogen content in the heavy rail steel.
重轨钢的耐腐蚀性能同其强度和韧性一样，事关铁路运营效益和安全等重大问题。
The corrosion resistance of the heavy rail steel as well as the strength and toughness, is a matter of major issues concerning railway operation efficiency and security.
当稀土加入量为0.01%时，重轨钢的奥氏体晶粒尺寸明显细化，冲击韧度显著改善。
When the content of RE addition is 0.01%, the grain size of austenite can be obviously fined, and the impacting toughness of heavy rail steel can be obviously improved.
研究了包钢重轨钢从转炉出钢到结晶器各个工序过程（未经VD真空处理）钢液中氢含量变化。
The hydrogen content in the molten heavy rail steel was measured in every stages from LD tapping to mould(without the VD refining process).
提高重轨质量和单重以增加列车载重和车速，扩建现有轨梁轧机，可以满足2000年前需要。
The demand up to the year 2000 can be satisfied by improving quality and raising the weight of rails and by expanding existing rail-and-beam mills.
简要介绍了包钢钢联轨梁轧钢厂连铸坯轧制重轨的工艺、设备，以及重轨产品的质量和力学性能。
The technology and equipment of rolling heavy rail by using continuous casting billet were introduced. The quality and mechanical performance of heavy rail were introduced too.
采用神经网络方法建立了重轨生产性能预报模型，并通过模型结构优化提高了模型预报的可靠性。
A mathematic model to predict the mechanical properties of heavy rail steel has been developed by means of neural network according to the demand of production.
大方坯连铸机主要浇铸优质钢和合金钢，如重轨钢、硬线钢、弹簧钢、轴承钢、合金结构钢等重点品种。
A bloom continuous Casting machine main cast quality steel and alloy steel, such as heavy rail steel, hard-line steel, spring steel, bearing steel, alloy structural steel, and other key species.
阐述了目前市场急需的高质量重轨必须实现高精度轧制，我国现有重轨厂采用二辊孔型轧制难以满足要求。
The high quality heavy rail must be produced by high precision rolling technology. The conventional technology of 2-h mill adopted in our country is difficult to produced it.
通过断裂力学分析，估算出u 74重轨的正常使用寿命及伤轨残余使用寿命；探讨了钢轨纵裂的可能机制。
Normal service life of U74 heavy rail and service life of the damaged rail are estimated by fracture dynamical analysis and possible mechanism on the longitudinal crack on the rail discussed.
简述了攀钢大方坯连铸结晶器电磁搅拌技术、二冷控制技术和凝固末端动态轻压下技术在重轨钢连铸中的应用效果。
The key technologies, such as M-EMS, secondary cooling scheme, and dynamic soft reduction, and its application to bloom continuous casting for heavy rail steel were presented.
简述了攀钢大方坯连铸结晶器电磁搅拌技术、二冷控制技术和凝固末端动态轻压下技术在重轨钢连铸中的应用效果。
The key technologies, such as M-EMS, secondary cooling scheme, dynamic soft reduction, and its application to bloom continuous casting for heavy rail steel were presented.
简述了攀钢大方坯连铸结晶器电磁搅拌技术、二冷控制技术和凝固末端动态轻压下技术在重轨钢连铸中的应用效果。
The key technologies, such as M-EMS, secondary cooling scheme, dynamic soft reduction, and its application to bloom continuous casting for heavy rail steel were presented.
应用推荐