钢结构

The elastic contact between steel liner and surrounding concrete as well as the softening of concrete and damage under tension were considered. The analysis results of concrete damage in different parts surrounding the spiral case and vertical displacement of turbine and generator foundations were obtained. In addition, based on the damage analysis of concrete the flexibility check for stay ring was also carried out.

数值计算模型考虑了钢衬和外围混凝土之间的摩擦接触、混凝土材料的拉伸软化和损伤特性，对外围混凝土的损伤指标及分布、各钢部件应力、结构位移等进行了分析研究，并在蜗壳外围混凝土发生损伤的情况下对座环柔度进行了复核。

In order to compensate for the absence of the roof, the reinforced body structure makes extensive use of high-strength steels (45%) and ultrahigh-strength steels (9%), combining low weight with maximum rigidity.

为了弥补没有屋顶，增强机体结构大量使用高强度钢（ 45 ％）和超高强度钢，结合低体重最大刚度。

This paper aims at putting forward a "wind vibration damping control technique"to reduce the dosage of the steel,holding back the demolishments of steel tube towers and communication towers due to wind-induced vibration,and subsequently the execrable aftermaths of discontinuity in circuits and communications.

本课题旨在通过简单易行的&风振阻尼减振技术&来降低结构用钢量，减少高耸塔桅结构的体积，遏止风振带来对输电线路钢管塔、微波通讯塔等高耸结构钢管塔的破坏，以及引起的电路、通讯中断等恶劣后果。

Thus, the stress behaviour of orthotropic steel bridge decks under elastic phase is well understood, in cluding the stress component of each structural system; the membrane and bending stress distribution in ribs, crossbeams and deck plates; the stress concentrations at the edges of cut-outs in crossbeams; the influence lines of stresses at some positions; and the number of stress cycles produced by the passage of a vehicle.

由此，充分完整地了解了正交异性钢桥面板弹性阶段的应力特性，包括钢桥面板各结构体系的应力成分，纵肋、横梁和盖板的薄膜应力和弯曲应力分布，横梁开孔边缘的应力集中，一些部位的应力影响线以及车辆通过引起的应力循环次数等。

The DLC film deposited at substrate temperature of 100癈 shows the best integrated property with carbon content of sp3 (sp 3C) bonding state up to 40% which is two times more than that in the films prepared by Americans with the same method. Accordingly, the microhardness is up to 30Gpa, and friction coefficient and optical band gap decrease to 0.10 and 1.76eV respectively.

在HIPIB轰击材料表面方面，本文选择成分由C~(30％)和H~+(70％)组成、加速电压为250KV、脉冲宽度为80～100ns的HIPIB对高速钢(W6Mo5Cr4V2)进行表面辐照处理，研究离子束流密度和脉冲次数对高速钢微观结构和宏观性能的影响，探讨了HIPIB与材料表面相互作用的物理机制。

In this Standard, the setting levels for reliability are raised; the contents of high strength concrete are amended; the Grade III steel bar, high strength steel wire and strand are defined as the main stress-undertaking steel bar; the contents of structural analysis and durability design are added and the measures for concrete crack restriction are amended.

混凝土结构设计规范》提高了可靠度的设置水平，补充了高强混凝土，确定了Ⅲ级钢筋及高强钢丝、钢铰线为主导受力钢筋，增加了结构分析及耐久性设计的内容，补充了限制混凝土裂缝的措施。修订后的《混凝土结构设计规范》对保证工程质量，促进技术进步，实现与国际接轨等方面有了重大进展，达到了国际先进水平。主编：李明顺徐有邻

The results indicate that good lap joint between aluminum and galvanized steel sheet can be made in appropriate parameters.

汽车用的铝合金和钢的混合结构轻量化可提高燃料的有效使用并控制空气污染，因此钢和铝合金的有效连接受到重视[1]。

Powder metallurgy products / PIM metal powder injection molding / precision casting / structural parts: Stainless steel powder metallurgy structural parts, powder metallurgy iron-based, powder metallurgy copper, stainless steel casting, metal powder injection molding MIM structural components, precision steel casting; cam , metal buttons, spherical oil bearings, bushings, bushing; copier parts, printer parts, automotive, electronics, office equipment, medical equipment, environmental protection and filtration equipment and other machinery, electrical appliances, electric / pneumatic products in the precision parts; products used within the industry shaped metal structure parts, non-standard parts, hardware accessories.

粉末冶金制品/PIM金属粉末注射成型/精密铸件/结构零件：不锈钢粉末冶金结构件、粉末冶金铁基、粉末冶金铜基、不锈钢压铸件、金属粉末射出成形MIM结构零件、精密铸钢件；凸轮、金属按键、球形含油轴承、轴套、衬套；复印机配件、打印机零件、汽车、电机、办公器械、医疗器械、环保过滤设备及其他各种机械、电器、电/气动产品内的精密零件；各行业产品内部用的异形金属结构零部件、非标准件、五金配件。

The high temperature metallurgical properties of several burdens for Anyang steel were investigated. The results showed that RIof high basicity sinters was better than others, but the RDI(low temperature reduction degradation index) of it was the highest; the RDI and molten dripping property of pellets and lump ores were well, so we can get rational burden structure by combining sinters for blast furnace.

系统分析了安钢炼铁生产中几种常用炉料的高温冶金性能，结果表明，安钢自产高碱度烧结矿具有较好的还原性，但其低温还原粉化率却是最高的；酸性球团矿及块矿则有着较好的低温还原粉化指数及良好的熔滴性能，能够与高碱度烧结矿搭配形成合理的综合炉料结构，满足高炉冶炼要求。

The HWDP's uses AISI 4145H alloy structural steel, the technique of production exactly carries on the SY/T5146-1997 standard, HWDP is one kind of medium weight and the drill pipe similar drilling tool, its wall thickness is thicker than the drill pipe, is thinner than the drill collar, on its thick wall body connected special and lengthen drilling joint.

整体加重钻杆的原材料用钢是AISI 4145H合金结构钢，生产工艺严格执行SY/T5146-1997标准，加重钻杆是一种中等重量和钻杆类似的钻具，其壁厚比钻杆大，比钻铤小，其厚壁管体上连接有特别加长的钻杆接头。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。