trb

Three Dimensional Numerical Modeling of Half Wall Jet of TRB Combustion System

TRB燃烧系统喷雾半壁射流混合的三维数值模拟

TRB mode analysis of metro vehicles in Shenzhen Metro Phase 1

深圳地铁一期工程地铁车辆TRB模式分析

Characteristics and Development of the TRB Indica CMS Line of Rice

水稻TRB型胞质雄性不育系的产生和特性

Rolled Integrated Modeling of TRB Roll Gap Controlling and Applied Keys

TRB轧制辊缝控制集成建模及其应用关键

Evaluating of TRB Stamping Process Plans Based on Theory of Fuzzy Set Barycenter

基于模糊重心理论的TRB工艺方案评价

Preparation and application of TRB water-reducing agent for concrete

TRB混凝土减水剂的研制与应用

At the end , simulation and experiment of stamping forming process of TRB square box are carried out .

最后，对轧制差厚板方盒形件进行了冲爪成形仿真与实验工作。

Transportation Research Board TRB

美国运输研究委员会

The paper focuses on two core points : the numerical simulation modeling of the stamping of the TRB and the robust design .

本文分为两个核心点：连续变截面板冲压成形的数值仿真建模和稳健设计。

The allocation of water rights in TRB was divided into two phases , including the initial allocation and reallocation .

塔里木河流域的水权配置分为初始配置和再配置两个阶段。

However , as a new technology in the near , the mold design , material behavior and shape evaluation of many aspects of the TRB is still in the exploratory stage .

然而作为一项出现不久的新技术，TRB的模具设计、材料行为及成形评价诸多方面还处于探索阶段。

The introduction of TRB into the manufacturing of panels can achieve the goals of saving material and lowering weight on the premise of meeting strength and rigidity .

将轧制差厚板引入车身覆盖件的制造，能在满足零件强度和刚性要求的前提下，达到节约材料、减轻重量的目的。

This study will provide a basal condition for the wider application of auto panels with TRB , and can improve the stamping formability of TRB effectively .

本课题的研究将为连续变截面板在车身覆盖件中的广泛应用提供基础条件，并可以有效提高连续变截面板的冲压成形性能。

Huvstig , Anders ," Economic Models as Basis for Investment and Maintenance Decisions . " Submitted for presentation at the2002 TRB Annual Meeting .

“使用经济模型来作投资和维护决定”，递交给2002年交通研究署年会上发表。

The TWB and the TRB have the similar forming character , but the TRB has the better formability , the better forming quality and the wildly used .

拼焊板与连续变截面板具有相似的成形特点，但连续变截面板具有更优越的成形性，成形质量高，应用更广泛。

The TRB strategy also shows positive returns for all buy signals and negative returns for all sell signals but they are not as significant as the returns generated from moving average signals .

TRB的策略也显示了所有的买入信号的正回报和卖出信号的负回报，但他们并不如均线信号产生的收益显著。

The forming technology of tailor rolled blanks ( TRB ) came into being at the request of lightweight vehicles , designed to reduce weight , lower fuel consumption and reduce environmental pollution and other issues .

应汽车轻量化要求，连续变截面板成形技术应运而生，其旨在减少汽车重量，降低汽车油耗，减少环境污染等问题。

The tensile test also show that although the elongation of TRB reducing as increasing of the thickness difference , which still have better elongation , and the second rip may be happen when the thickness difference increase further .

连续变截面板随着厚度差的增大，延伸率有所降低，但仍具有较高的延伸性，且随着厚度差进一步增加会出现二次断裂现象。

The basic mechanical properties of TRB are studied by the uniaxial tension test . The mechanical analytical model for uniaxial tension is set up , and the formulae of deformation at the thinner side and at the thicker side are derived .

通过单向拉伸试验研究了轧制差厚板的基本力学性能，建立了差厚板单向拉伸力学解析模型，推导了差厚板薄厚两侧变形量的计算公式。

On the basis of uniaxial tension test data , the Lagrange polynomial interpolation is adopted to construct the stress and strain fields of unannealed and annealed TRBs , which can solve the problem of TRB material parameters for simulation .

以单向拉伸试验数据为基础，采用拉格朗日多项式插值法构造了未退火和已退火差厚板的应力应变场，解决了数值仿真过程中差厚板的材料参数问题。

The cup-drawing test also show that , as the thickness difference increase , the limited drawing ratio ( LDR ) of TRB first up then down , the minimum BHF has increasing trend and the Maximum Working Load has decreasing trend .

连续变截面板的极限拉深比（LDR）随厚度差的增大呈先增大后减小的趋势，最小压边力增大，最大工作载荷减小。

On this basis , the springback characteristics of longitudinally bended ( bending axis is parallel to the rolling direction ) and transversely bended ( bending axis is perpendicular to the rolling direction ) TRB U-shaped parts are studied .

在此基础上，分别对纵向弯曲（弯曲轴平行于轧制方向）和横向弯曲（弯曲轴垂直于轧制方向）的轧制差厚板U型件的回弹特性进行了研究。

The applications of TWB ( tailor welded blanks ) and TRB ( tailor rolling blanks ) were focused for auto-lightweight and a few of researching keys of the TRB 's applications in auto-body manufacturing were given .

重点介绍了激光拼焊板和柔性轧制技术，着重讨论了连续变截面辊轧板（TRB）在汽车轻量化中的应用，并给出了TRB在车身制造应用中尚需深入研究的重点。

Although the research of TRB has just started , it is still not mature enough in the production , manufacture and forming areas , but it plays a key role at the study on the lightweight vehicles , displays a tempting prospect , and this study has great significance .

虽然连续变截面板的研究才刚起步，在生产、制造、成形等方面还很不够成熟，但其在汽车轻量化研究中起到了关健作用，展示了诱人前景，对此进行研究具有很大意义。