据运输部估计许多货运列车已经超过他们理论上的运载能力，从而使铁路运输交通变得拥挤不堪。
The Department of Transportation estimates that many are already exceeding their theoretical capacity and are congested.
运用车桥耦合振动理论，建立铁路车辆曲线通过模型动力方程、曲线梁桥模型及其动力方程。
By applying vehicle-bridge vibration theory, dynamical model and equation of railway curve negotiating vehicle as well as the model and equation of curve beam bridge are established.
对铁路桥梁浅基础采用以可靠性理论为基础的概率极限状态设计方法进行了分析研究。
Probability ultimate state design methods for railway bridge shallow foundations designed on the basis of reliability theories are analyzed and studied.
因此，必须对加装扣环后机车轮对的力学行为进行研究，为保证铁路机车运行安全提供理论依据。
So it is necessary to analyze the mechanics behaviour of the locomotive wheel added the retaining ring, so that we can supply the theory proof to the safety usage of the locomotive.
由于铁路罐车加热系统的特殊性，不能完全照搬化工换热器方面的理论和结构设计。
For the particularity of rail tank car heating system, we can not completely copy the theory and structure design of thermal exchanger of chemical industry.
本文首先分析了铁路运输企业目前面临的形势，介绍了运输市场营销理论。
Firstly, this paper analyzed the situation of the railroad transportation enterprises facing many difficulties now, introducing the marketing theories of railway transportation markets.
基于此，本论文对适用于铁路客运市场调查的理论和方法进行全面系统的研究。
Based on these problems mentioned above, this paper makes a comprehensive research into the theories and methods which are applicable to the railway passenger traffic market research.
最后结合鸡西火车站的具体情况，阐明市场营销理论在铁路基层站段的具体应用。
Finally, the paper joined together the circumstance of the Jixi railway station, clarified how to make use of the marketing theories into the railway basic station and segment.
依据相关理论，对国内铁路车辆行业的特征、营销环境、市场需求、购买者行为以及行业内竞争态势进行了分析。
Basing on these theory, the paper analyses characteristic, marketing environment, market demand, buyer behavior, and competition situation of domestic railway rolling-stock manufacture industry.
论文界定了铁路集装箱运输系统，根据系统工程理论，对该系统的组成和各组成部分间的复杂关系进行了研究。
According to the theory of systems engineering, this paper study on the components of railway container transportation system and the complex relation of these components.
不论在理论上还是在实践上。都要求我们要放松对铁路行业的价格管制和进入管制，以改善铁路企业的经营环境。
No matter in theory or in practice, we must release the price regulation and entry regulation on the railway industry to improve the management environments of railway enterprises.
对电气化铁路和风电场可能引起的电能质量问题的理论基础进行了综述，对当前国内外的电能质量标准进行了总结。
We summarized the theoretical basis of power quality problems which are caused by wind power and electrified railway, and summarized power quality standards.
铁路日常计划和统计中如何简便而准确地计算货车周转时间的问题，在理论和实践中一直是一个讨论的课题。
It has been a problem how to calculate the wagon turnround time for routine railway plan and statistics simply and conveniently in theory and practice.
通过对近年全国铁路货运量的统计数据进行分析，运用灰色理论建立了铁路货运量预测模型。
After analyzing the data on railway freight volume of recent years, the authors establish the railway freight volume forecasting model by use of grey theory.
这种理论得到了多数经济学家的认同，但在实际操作中，它使铁路公司获得了一个决定谁败谁荣的权利。
It's a theory to which many economists subscribe, but in practice it often leaves railroads in the position of determining which companies will flourish and which will fail.
本文分析了管制的成因，提出了国家应放松对铁路管制的主要理论依据和实证分析。
This article analyses the reason of the regulation and puts forward the theory basis of relaxing regulation.
本文基于结构可靠性理论，对铁路桥梁设计规范的校准进行了探讨。
Based on the theory of structural reliability, the calibration for the design code of railway Bridges is worked out.
运用理论分析及模型试验和现场试验的方法，对铁路隧道基底结构的受力状态、病害产生的机理以及病害的整治措施进行研究。
By using the methods of theoretic analysis, model experiment and spot test, the mechanical condition of tunnel bed, the mechanism of tunnel bed disease and the treatment measures are studied.
本文的具体工作内容如下：首先，总结了国内外铁路客票定价理论的研究现状和旅客时间价值的计算理论方法。
Specific work of this article reads as follows:First, Summarize the theory of railway ticket pricing situation and the time value of passengers theoretical method of calculation.
高等级道路和铁路的工后沉降一直是理论界和工程界关心与研究的难点问题。
The later construction settlement of high way and railway is the difficult problem studied in theory and engineering circles.
因此，本文对京沪高速铁路列车开行方案的研究具有十分重要的理论意义和实践意义。
Therefore, research on the train running plan of Beijing-Shanghai High Speed Railway is of great theoretical and practical significance.
基于列车脱轨能量随机分析理论，提出新的铁路桥梁横向刚度限值分析方法。
Based on energy random analysis theory for derailment, a new method for analyzing the limit value of bridge lateral rigidity for derailment prevention is established.
论文的研究为铁路集装箱多式联运组织优化提供了一定的理论支持。
The research of the paper has provided some theoretical support for the optimization of the railway container transport organization.
所以进一步开展铁路隧道变形特征研究具有一定的理论意义和重要应用价值。
It has far-reaching significance both for theory and practice to have a profound study of the railway tunnel deformation failure characteristics.
因此进行铁路枢纽通过能力分时段计算方法及软件开发研究具有重要的理论和现实意义。
Therefore there is very important theoretical and practical significance to research on calculation method and system development of railway junction carrying capacity based on time-phase.
通过理论分析，对铁路客车地板进行了隔声设计；
Through theoretical analysis, the sound insulation design is made for the floor in railway passenger cars;
本文应用现代物流中选址问题及配送车辆路径问题的理论，解决铁路行包物流配送问题。
The thesis resolves logistics delivery problem applying the location theory and VRP theory in modern logistics.
在理论分析的基础上，以昆明铁路局的具体应用实际为例，开发了现实模型，并投入使用。
Based on the theoretics analysis, the realistic model was developed and used in KunMing railway administration actual as an example of concrete application.
本文的研究成果为宜万铁路马水河桥的设计施工提供了理论依据，也可为其他同类桥梁的设计提供参考。
The research results in this paper not only have provided theory references for the design and the construction of Mashui River bridge, but also can be applied to the similar bridge pattern.
本文的研究成果为宜万铁路马水河桥的设计施工提供了理论依据，也可为其他同类桥梁的设计提供参考。
The research results in this paper not only have provided theory references for the design and the construction of Mashui River bridge, but also can be applied to the similar bridge pattern.
应用推荐