钢材

To obtain the stress and temperature of the miler and workpiece in the steel roiling process, commercial FEM program LS-DYNA had been used to analyze the parallel roiling process and the approach was based on three dimensional thermal mechanical coupled finite element method under the condition of using elastic roller.

为得到轧制过程中轧辊、轧件的应力、温度分布，采用有限元软件LS-DYNA，通过三维热力耦合弹塑性有限元方法，在轧辊为弹性体的条件下，对钢材的平辊热轧过程进行了仿真分析。

The prestressed concrete simple beam compares reinforced concrete beam to compare, the merit includes: Uses the high marking concrete, section minification, the dead weight reduces, may increase the spanning ability; Uses the high strength steel bar, may save the steel products; But raises the sorghum body large scale the crack resistance, increases beam's durability, the concrete total cross-section bearing, has fully displayed the concrete resistant to compression performance superiority, also enhanced Liang's rigidity.

预应力混凝土简支梁较钢筋混凝土梁相比，优点有：采用高标号混凝土，截面尺寸减小，梁体自重减轻，可以增大跨越能力；采用高强度的钢筋，可节约钢材；可大幅度提高梁体的抗裂性，增加梁的耐久性，混凝土全截面受压，充分发挥了混凝土抗压性能的优势，也提高了梁的刚度。

The main results of this study includes: 1 The stiffness and moment capacity of minor axis connected joints are related to displacement and failure mode of connection components.

弱轴顶底角钢连接作为一种典型的半刚性连接，具备良好的变形能力、一定的弯矩承载能力和钢材屈服后的塑性强化能力。

With the temperature and strain increasing, modulus of elasticity of steel gradually decreases.

结果表明，钢材的应力－应变曲线随温度升高，应力变小而应变增大，曲线斜率即弹性模量随温度升高和应变增大而趋于零。

The requirements result form the demands of the molder and the mold maker.

钢材应具有如下的属性。

Fiber optic cable, cable has access to the State Administration of Radio, the Ministry of Information Industry, the People's Liberation Army General Staff, Nanterre and Certification Center presented the "license, that certificate", prestressed steel wire was "outstanding new products in Jiangsu Province","State Sampling of prestressed concrete steel excellent quality assured brand "title, the Ministry of Railways is designated manufacturers; security fence access to Traffic Engineering Test Center awarded the" product certification "," traffic engineering products approved production installation Zhunyong Zheng "; In 1999 the company adopted the ISO9002 quality system certification, in January 2006 passed the ISO9001: 2000 quality system replacement (McIntyre and Certification Center), and agreed,"the Ministry of Agriculture total quality management standards enterprises","the contract for 10 years And keeping promises "," Changzhou City civilized units "and the honorary title.

光缆、电缆先后获得国家广电总局，信息产业部、解放军总参谋、泰尔认证中心颁发的"许可、认定证书"，预应力钢丝获得"江苏省优秀新产品"、"国家抽查预应力混凝土用钢材质量过硬放心品牌"称号、是铁道部定点生产厂家；安全隔离栅获得交通部交通工程检测中心颁发的"产品合格证"、"交通工程产品批准生产安装准用证"；公司于1999年通过了ISO9002质量体系认证，2006年1月又通过了ISO9001：2000质量体系换证，并获"农业部全面质量管理达标企业"、"连续十年重合同守信用单位"、"常州市文明单位"等荣誉称号。

Through model test of new high- strength steel conical shell with ring frame ,and relevant analysis,it is shown in this paper that the failure of ring-framed conical shell can be traced to the neutral plane on longitudinal section where the structure strength is relatively weak.

通过新的高强度钢材环肋圆锥壳模型实验，及采用解析方法分析表明，环肋圆锥壳体破坏的原因是结构相对薄弱处纵剖面上的中面应力所致。并提出用"灰色系统"理论预测破坏载荷的计算方法，建议今后模型实验和现役潜艇的耐压船体寿命估算中可采用这种方

Our Cuticle and Nail Nippers are made of finest quality steel and then crafted to perfection so that every Nipper gives satisfactory performance.

我们的指甲钳和去角质刀采用最优质钢材精制而成，具有完美外形和绝佳品质。

In this branch of civil engineering, engineers build pipelines and related facilities which transport liquids, gases, or solids ranging from coal slurries and semiliquid wastes, to water, oil, and various types of highly combustible and noncombustible gases.

工程师们进行管线设计，并估计管线项目对所跨区域的经济环境影响，确定各种要用的材料-钢材，混凝土，塑料等，确定各种材料组合方法即安装技术，制定测试管线强度的方法，制定保持和控制被运送材料的合理流速和合适的压力。

"Bird nest" in the Beijing Olympics park, and east side of the northmost part of Beijing city axle ,construction area is 258,000 square meters,is the technical Olympic Games' perfect manifestation ,we innovate independently developed the Q460 steel products ,supported "the bird nest" strong physique ,completed " bird nest" have 80,000 fixed seats.11,000 temporary seats.

"鸟巢"在北京奥林匹克公园内、北京城市中轴线北端的东侧，建筑面积为25.80万平方米，是科技奥运的完美体现，我们自主创新研制的Q460钢材，撑起了"鸟巢"的钢筋铁骨，建成后的"鸟巢"拥有固定座席80000个，临时座席11000个。2008年奥运会，这里将举办开幕式、闭幕式、田径比赛、男子足球决赛。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。