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Emma went to her room and sat down on her bed. On the floor next to her bed 1.___（be） her magic nickel（镍币）. She picked it ......
Pretreatment technology is deeply discussed to explain its importance in guaranteeing properties and formability of alum......
In this article,we will focus on under- standing and analyzing the typical accounts of Chinese financial statements,incl......
The analysis of the point defects is an important method to solve the problem.Typical point defects distinguished as pin......
The effects of laser energy and different shock spaces and shock times on the TA2 titanium sheet deformation are investi......
This paper presents the planar Fiber Bragg Grating (FBG) hydrophone probe sens- ing principle,and theoretically and expe......
This article analyzes interest-rate risks faced by the postal savings bureau (PSB) based on the complete balance sheet I......
May I come in? 我能进来吗? Come in，please. 请进。 Sit down，please. 请坐。 It’s time for class. 上课时间到了。 ......
<正> 研究认为紫草对角叉菜胶水肿有抗炎、抗菌作用,但未见对表皮免疫系细胞影响的详细研究的报道。本次探讨了紫草提取物及其成分......
Electron-beam irradiation induced optical transmittance enhancement for Au/ITO and ITO/Au/ITO multil
Electron beam(EB) irradiation experiments on Au/ITO and ITO/Au/ITO multilayer thin films are reported.The structure and ......
High-haze flexible transparent conductive polymethyl methacrylate(PMMA) films embedded with silver nanowires(AgNWs) are ......
Laser shock forming (LSF) was a new technique realized by applying an impulsive pressure generated by laser-induced shoc......
“N-2-1” principle is widely recognized in the fixture design for deformable sheet metal workpieces, where N, the loca......
Iterations in optimization and numerical simulation for the sheet metal forming process may lead to extensive computatio......
Hot-rolled galvanized steel sheet is made from hot-rolled pickled sheet by continuous hot-dip galvanizing process.Withou......
China has become the maximum household appliances manufacturing base worldwide.It is a new challenge facing the steel in......
A mathematic model has been presented to predict the decarburization kinetics of grain-oriented silicon steel sheet in t......
With the wide application of laser welding technology in automobiles and rail transportation,the non-destructive testing......
A reconfigurable flexible poles die was developed.The die can be used to implement the process of “the multi-point pres......
为治理变电站的低频噪声，根据共振吸声原理提出由薄板共振吸声结构和微穿孔板吸声结构构成的复合低频吸声结构，并利用土建阻抗管对复......
Ti-43Al-9V-Y alloy sheets with dimensions of 300 mm×100 mm×(1.5-2) mm were produced by hot-pack rolling. After rolling......
Al-5Ti-1B master alloy was added into Mg-14Li-1Al (LA141) alloy and then LA141 sheets were prepared by extrusion and col......
对T2紫铜薄板进行电磁微胀形有模成形实验,研究不同电压及不同凹模深度对材料成形性能的影响.采用激光共聚焦显微镜及轮廓仪研究不......
精馏塔再沸器运行工况并不苛刻，腐蚀程度轻微，工艺介质中亦没有引起环境开裂的典型介质，管板与管束连接角焊缝却频繁开裂泄漏，严重影响......
6A02铝合金薄板在直升机上应用较广泛,有时需进行化铣。通过采用尺寸测量、拉伸性能检测、金相分析等手段,研究了化铣对6A02铝合金......
以某公司承制的结晶器铜板中尺寸最大的精度要求高、加工难度大的宽边铜板为例,详细阐述其在BX2012四米龙门铣刨上进行刨磨削的加......
支架零件是许昌烟草机械有限责任公司主要产品中的一种核心零件,属于典型的薄板类零件。因材料去除量大,加工换算基准多,零件尺寸......
文章初步探讨激光切割在机车钢结构件制造中的应用，并根据实践对影响碳钢板材切割质量的因素进行分析，给出了一套控制加工质量的工艺......
针对攀枝花新钢钒股份有限公司冷轧厂冷连轧机组在生产薄带钢（出口厚度≤0．35mm）时成品机架出现振动打滑现象进行了分析。认为其产生......
主要介绍了韩国POSCO公司的镁业务。从镁锭生产、镁板材制造、镁业务进展及典型的应用成果、镁材项目等4个方面进行了评述。POSCO......
研究用氨基与MCM-41对石墨片进行改性,以改性后的电极（NH2-MCM-41/C）氧化还原酸性红G（AR1）染料。通过对电压、p H值、电解质浓度、电流......
高速纸机对压缩空气的需求量有其特殊要求,本文介绍了南纸股份有限公司三抄车间在解决此问题时采取的技术改造措施和取得的应用效......
采用包套轧制技术,在1050℃制备了2.7 mm厚的TiAl基合金薄板.金相观察表明,薄板具有均匀、细小的组织,平均晶粒尺寸约为3 μm.利用......
研究固溶温度、时效温度以及多重时效处理对Ti-24Al—15Nb-1Mo合金热轧板材拉伸性能的影响，对不同热处理工艺下板材的微观组织和拉......
从床单面料的性能出发,结合罗布麻纤维的特点,详细介绍了罗布麻纤维的纺纱工艺及纱线的上浆工艺及织造工艺,测试了罗布麻床单织物......
对上海宝钢公司生产的15种冷轧冲压用钢进行了力学和FLD试验,探讨了σs/σb、δ、n值、r值对成形极限平面应变特征点(FLD0)的影响.......
介绍了一种上浮式高速冲裁模的设计方法，适用于薄板冲裁，其在卸料方式、定位方法上有一定的特点。......
通过对凸包U型零件结构特征、生产条件及传统工艺的分析，指出了传统工艺流程在加工该类零件时的不足，并根据当前生产条件确定了凸包U......
介绍了汽车轻量化用钢的一种新思路,即通过提高钢板中Al含量,降低钢板密度,减轻钢板重量,实现汽车轻量化.同时,对不同高Al含量钢板......
撞击式喷嘴在液体火箭发动机中得到广泛的应用,目前对射流撞击形成液膜的理论分析还仅限于无粘或低粘性流体。从流体力学基本方程......
本文介绍了具有光和生物双重降解功能的高抗冲聚苯乙烯（ＨＩＰＳ）片材的研制过程及光－生物双降解ＨＩＰＳ发泡快餐盒试产品的性能和经济效益。......
水布垭智能土石方平衡系统中涉及大量的报表,它们结构不一,而且都很复杂,某些报表还需要动态地根据信息来规划报表结构,如果利用VC......
考察了PB胶乳对板材ABS树脂体系性能的影响。为了提高板材ABS胶乳的性能，在聚合过程中以丁二烯和苯乙烯为单体，采用特殊复合皂体系，同......
以火力发电厂厂级监控信息系统中的报表处理为例,阐述了在分布式体系结构的浏览器/服务器(B/S)软件系统中如何实现基于PI数据库的......
以火力发电厂厂级监控信息系统中的报表处理为例,阐述了在分布式体系结构的浏览器/服务器(B/S)软件系统中如何实现基于PI数据库的......
文章借助2种不同方法,测定了包钢生产冷轧薄板的屈服强度、抗拉强度、断后伸长率、拉伸应变硬化指数（n）值和塑性应变比（r）值。对2种不......
14MnVTiRE钢[/%：0.10～0.15C、0.30～0.60Si、1.20～1.60Mn、0.03～0.09V、0.07～0.16Ti、0.10～0.15RE（加入量）]4 mm薄板的生产流程为180 t顶底复......
