钢

Compared with steel, aluminum has a third its modulus of elasticity, weighs a third as much, and costs about three times as much.

与钢相比，铝的弹性模数是钢的1/3，重量也是钢的1/3，而价格则是钢的三倍左右。

By refining methods steels can be divided into three classes: open-hearth furnace steel, converter steel, and electric furnace steel.

按冶炼方法，钢可分为平炉钢、转炉钢和电炉钢。

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The formula was established about calculating design parameters and technological parameters of ideal strip and bent strip in the period of forming. The thesis presented how to calculate the deformed area length and contact are radius of contact deforming between two elastic bodies on condition of the friction. The calculating formula of pinch force about plate-strip pinch mill was given and the results were analyzed that friction coefficient and radius of pinch rolls are very important for determining pinch force. Moreover, the rule of deforming and stress distribution of different 〓 ratio were gained on condition that the deforming was considered to be non-uniform distribution in the gap. The differential equations were got that calculate the displacements of large deflection of elastic cantilever rectangle plate with fixed end and the formula of the Finite Strip Method was conducted to study the regularity of mid-plane displacements, deformation and stresses for elastic-plastic large deflection bend of cantilever parallelogram plate with fixed or slidable end by integrating Prandtl-Reuss equation.

建立了一套完整的设计参数计算公式和在成型过程中理想带钢或具有月牙弯带钢的工艺参数的调整公式；在考虑摩擦力的条件下，对两弹性体接触变形过程中的接触变形区长度和接触弧半径用位移解法进行了研究，推导了板带递送机的递送力计算公式，从而得知在递送机设计过程中，应选择适当摩擦系数和辊身直径；另外，还从辊缝内带钢实际变形出发，分析了对于不同的〓值，带钢的变形规律及应力分布状况；建立了固定端悬臂矩形板弹性大挠度弯曲变形的控制方程，并且在对Prandtl-Reuss方程的积分处理的基础上，导出了固定端和滑动端悬臂平行四边形薄板的弹塑性大挠度的中面伸展位移、变形和应力的有限条元法公式，编写了Fortran语言计算程序，在各种参数条件下，对螺旋焊管成型过程变形规律进行了全面的分析研究，从而为螺旋焊管的生产和进一步的改进提供了理论依据。

As in the Hangzhou Xiaoshan, Hangzhou, Hsiao Ganggou Inc. in the earlier work on joint Tongji University in structural steelwork construction of national technology standards for the preparation, design construction of the current Asia's largest steel structural industrial plant, a total area of 160,000 square metres of Wuhu in Anhui,"951" project and 230 metres long, 104 metres wide and 74 metres high speeds, Asia's largest steel arch construction purlin "Xiao Shan Beishan-on."

如地处杭州萧山的杭萧钢构股份有限公司于早些年就联合同济大学一道参与钢结构建筑国家技术标准的编制，设计建造了目前亚洲最大的钢结构工业厂房、总面积为16万平方米的安徽芜湖"九五一"工程和长230米、宽104米、拱高74米，亚洲最大的钢桁拱形建筑"萧山北山通览"。

Based on the penetrate -resistance capability of steel-fiber concrete,this paper presents the revisional formula in calculating penetrating depth by introducing toughness index of steel-fiber concrete and considering the influence of shape character and content of steel-fiber.

对钢纤维混凝土抗侵彻性能进行了研究，将钢纤维含量特征参数和钢纤维混凝土韧度的概念引入到侵彻深度计算公式中，在试验的基础上给出了弹体对钢纤维混凝土侵彻深度的别列赞修正计算式。

The steel structure of the main body forms the whole giant spatial saddle-shaped steel truss knitting type "the bird nest", the steel structure totally uses the steel quantity is 42,000 tons ,the concretes stand divides into upper, middle and lower three, the stand concrete structure is underground 1 ,on the ground 7 floor of reinforced concrete frame - shear wall structural system.

主体钢结构形成整体的巨型空间马鞍形钢桁架编织式"鸟巢"结构，钢结构总用钢量为4.2万吨，混凝土看台分为上、中、下三层，看台混凝土结构为地下1层，地上7层的钢筋混凝土框架-剪力墙结构体系。

Based on the boundary condition and temperature diffusivity determined sectionally, the heating time obtained from calculation is con...

根据金相组织观察及硬度分布测定，确定了45钢的加热系数k=0.9，40Cr钢的k=1.0，T10钢的k=1.0，并指出这三种钢均不需要保温时间。

The main sales of special steel companies, If carbon steel guitar, a guitar steel, stainless steel, spring steel, with the steel, heat-resisting steel, and based on user needs sugar processing various materials can be expected on the basis of the specific

本公司主要销售各种特殊钢，如碳结钢，合结钢，不锈钢，弹簧钢，合工钢，耐热钢，并可根据用户需要加工各种材质锻件，也可根据用户具体需要下料。

As a private manufacturing enterprise for professional design, manufacture, installation and sale, we also manufacture many series of new products, such as mobile board housing, steel-constructive plants, colored steel construction, mobile telephone and newspaper kiosk, mobile containers and guard kiosk.

公司拥有领先的研发能力及技术优势，致力于轻钢房屋、移动板房、轻钢厂房、轻钢展场、轻钢住宅等系列轻钢产品的成功研发与实践证明，其产品是国内同类产品基础上经充分论证后加以改进而成，从而达到更安全、更环保、更美观的效果。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了