出钢

The roll gap of bending roll and its starting-up speed mathematical models were obtained by analyzing the deformation theory of strip bending during coiling in heat coil box.

通过分析热卷箱卷取过程中带钢弯曲成形的变形原理，推导出了弯曲辊辊缝的数学模型和辊缝抬起速度模型，并针对实际卷取过程中第1圈&不圆&现象进行了理论分析，提出了增加上弯曲辊速度超前率的解决措施。

On the basis of shear resisting behavior experiments of the column, the formula model for calculating the shear strength of the column is presented, and the undetermined coefficient in the formula is regressed using the experimental data.

进行了钢管高强混凝土核心轴压短柱的轴心受压试验，研究了其破坏特征、延性和钢混共同工作特性等力学性能，给出了其极限承载力的计算公式。

The friction and wear characteristics of aluminum-stainless steel composite conductor rail and collector shoe used in metro power supply were investigated on the rig with an electrical current applied across the sliding interface.

通过对销-盘摩擦磨损试验机的夹具和控制部分进行改进，研制出载流摩擦磨损试验装置，并采用该装置研究了地铁钢铝复合式第三轨与受电靴摩擦副之间的载流摩擦磨损特性，采用激光三维共焦扫描显微镜和电子能谱仪等微观手段，结合电接触理论分析了摩擦副的载流摩擦磨损机制。

In addition, the amended calculating method of deflection of the composite beams with profiled sheeting is advised in this paper based on study on the calculating methods in existence.

同时本文对现有的关于钢—压型钢板混凝土组合梁挠度的计算方法进行了探讨，并给出了建议的修正计算公式。

A set of technological specifications fit for laser surface quenching have been obtained in view of the punching die of T12 steel lamp holder through heat tr-eatment, metallographies analysis and industrial application etc.

针对T_(12)钢灯头冲孔凹模，经过热处理、金相分析检测、工业应用等试验过程，研究总结出一套适于激光表面淬火的工艺规范，使该模具工作寿命平均提高近3倍。

The results show that the most engineering practical columns behave like the interaction of local buckling and overall buckling, and local bucklings of plates do not mean the lost of carrying capacity of overall structures at once.

用本文提出的有限条塑性系数增量初应力法分析了钢偏心压杆局部与整体相关屈曲的极限承载力，得到了中截面的屈曲模式，表明大部分的工程实际的压杆均表现出明显的局部屈曲与整体屈曲的相互作用，板件局部屈曲，并不意味着结构整体立即丧失承载力。

In this paper a series of experimental data were analyzed when chamfered PCBN cutting tools were used to turn the hardened GCr15 bearing steel.The correlations between chamfer angle and cutting forces as well as tool wear were observed.

超硬刀具材料作为近年新兴的刀具材料，越来越为人们所了解和熟悉，其中PCBN刀具在加工淬硬钢和铸铁等材料时表现出了更为优异的性能。

In the core area of the node crossed by two diagrid columns, the node section area is far smaller than the sum of two columns' section areas.

摘要］国外某工程，外部网筒由圆柱斜向交叉与环梁编织而成，外网筒柱节点核心面积相比柱截面面积大幅减小，承载力不足，经有限元分析，汇交节点应力状态复杂，阴角区存在明显的应力集中，通过弹性、弹塑性有限元分析，找出了应力集中的原因，进而有针对性地提出了采用钢板凳进行加强的措施，取得了较好的效果。

Based on the experimental results and adopting the most common used method, the coefficient of cyclic properties and curve of fatigue life versus strain of LCF of 3OCr2MoV were drawn. Comparisons between experimental results and similar curves were made.

采用最通用的疲劳估算方法拟合出了30Cr2MoV转子钢的常温和高温550℃下的低周疲劳参数和循环应力-应变曲线以及低周疲劳寿命曲线，并将试验结果与同类曲线进行了比较。3。

Companies around the world Other pumps advanced technology and integrated with the national situation developed the CP1X-0.5 ball float type automatic exhaust valve, after 7 years of practice, the fourth generation of a new product (patent number: 200320111491.4) heating period has been finalized this year, mass production market.

锻钢阀门综合世界各国先进技术并结合我国国情研制出的CP1X-0.5浮球式自动排气阀，经过7年的实践，第四代的新型产品（专利申请号：200320111491.4）今年采暖期已定型批量生产投放市场。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。