Bend相关论文
It is widely believed that a bend in horizontal plane is not suitable for a free-surface tunnel.It is also a strict rule......
研究了一种由表面镀铝的磷青铜作为反射面的矩形型波导传输紫外光束的性能。实验结果表明,这种波导能够有效地传输308nm紫外光束,......
Cold-formed steel structures are steel structure products constructed from sheets or coils using cold rolling, press bra......
Performance testing of log pile photonic crystal fast-fabricated by direct femtosecond laser writing
Great efforts has been made on fabricating photonic crystals (PCs) with photonic band gaps (PBGs) during the past decade......
This paper presents the results of a test program for flexure reinforcing characteristics of gless fiber-rein forced pol......
FeAl/TiC composites were fabricated by hot pressing blended elemental powders. The effects of Ni-doping on thedensifica......
Analysis of Through-the-Thickness Stress Distribution in Thick Laminate Multi-Bolt Joints Using Glob
The stress distribution surrounding the fastener hole in thick laminate mechanical joints is complex. It is time-consumi......
In this study, the irreversible deposition of microparticles from electrokinetic microfluidic flow in a 90° bend was ex......
Pipe flow is a classic hydrodynamic issue.Most pipelines contain bends,and bends cause energy loss and distort the flow ......
Tetragonal ZrO2-3 mol% Y2O3 (3Y-TZP) coated with CePO4 was synthesized by a co-precipitation method and the effects of C......
High brightness of SSRF brings about synchrotron radiation security problems, which will be solved in physics design. Th......
The electron cooling device of main ring for HIRFL-CSR is underway on the cooperation of BINP colleagues and IMP member......
本文通过对荣华二采区10...
根据弯曲钢丝绳结构特点及股内钢丝的缠绕关系,研究了钢丝绳弯曲状态绳股内钢丝的曲率变化特性。分析了弯曲状态下6×36WS+IWRC右交......
The braided Jamuna River frequently changes its courses.Sometimes the secondary channel in a braided river acts as a sin......
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Bend erosion is a fairly serious problem in conveyer pipe system. This paper intends to introduce a new anti-erosion met......
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以水煤浆的流动特性(壁面滑移特性和流变特性)研究为基础,在中试规模的浆体输送装置上研究水煤浆流经90°弯管、突缩管和突扩管的......
为满足某些国家工程的发展需要,比如说航天领域内,液态燃料液位监测作为飞行指标考核的一个关键参数,检测精度直接影响到各类飞行......
在压力容器较长筒体的制造过程中,由于多种原因会造成弯曲变形,有时超出标准值很多.对一种利用加热达到校直目的的方法进行了介绍,......
为系统研究泄洪洞有压弯道的水力特性,结合大比尺物理模型,采用三维Reynolds应力数学模型(RSM)对不同来流流速、 弯曲半径和转角的......
Bent varieties and straight varieties were made as parents for the genetic analysis to investigate cucumber bending gene......
Channel morphologic processes of a highly sinuous bend approaching neck cutoff by bank erosion in th
The distal reach of the Lower Jingjiang River(LJR)in the middle of the Yangtze River consists of five adjacent bends,amo......
针对同一工艺流程下相同杨氏模量和残余应力的双端固支梁阵列,建立了简化的杨氏模量和残余拉应力的弯曲测试模型,并将应力刚化理论......
本文对4130X钢制作的大容积无缝钢瓶调质热处理时产生弯曲的原因进行了分析,对钢瓶的校直方法进行了阐述.......
对于内压作用下的任何弯管,因为弯管中线上径向向外的管壁表面积均要比中线上径向向内的管壁表面积大,两者面积之差在同一内压作用......
Crack rotation factor r and plastic crack rotation factor r_p are analyzed by means of simulated test using finiteelemen......
汽车车顶覆盖件在冲压生产过程中遇到跌落冲击会发生不同程度的变形。在不改变材料的情况下,为抵抗车顶类钣金件的弯曲变形,以钣金......
对汽轮机转子动静碰磨产生的机理,以及碰磨使转子产生临时弯曲的原因进行了深入分析,给出了转子碰磨产生临时弯曲的诊断方法,并提出如......
主要分析计算了裂解炉炉管受力情况,进而得出结论:裂解炉自身结构的相互约束力和炉管渗碳是导致炉管弯曲、断裂的主要原因,并提出......
利用激光粒子图像测速技术对阀体后90°圆截面弯管的内部流场进行测量,获取了弯管流场在不同来流流速及观测截面上的高分辨率瞬......
介绍了一种简单实用的手动弯曲模,可以较好地完成薄壁矩形截面钢管的弯曲成形工艺。...
对一类直线型驻波超声电机振子的振动模态进行了系统分析,讨论了定子齿的位置、几何尺寸对直线型超声电机的固有频率、振型的影响,......
减振钢板的应用是降低汽车噪声的一种手段。利用所设计的V形弯曲模具和MTS810材料试验机弯曲试样,对减振钢板的弯曲性能进行了试验研究,阐明......
A novel instrument named Micro-Electro-Mechanical System(MEMS)flexible hot-film shear stress sensor was used to study th......
根据漏斗车车体侧墙的结构特点和现行焊接工艺,以KZ70型石砟漏斗车侧墙组焊为例,分析了侧墙焊后焊接应力及变形原因和趋势,提出了......
随着电路传输速率的增长,差分信号被越来越多的运用到布板中。但是由于传输线的弯曲不一致,使得差分信号之间产生了相位差,从而产生了......
本文对薄壁构件弯曲时横截面的变形提出一种分析,并对圆型薄壁构件给出了分析结果,说明其不应忽视的影响。......
研究了硅片力学行为与表面损伤的关系.结果表明,M20金刚砂研磨使硅片表面产生损伤和微小裂纹,研磨硅片在常温工艺中容易破碎,机械强度较低......
研究了掺入体积掺量为1.0%、1.5%和2.0%未经油化处理的聚乙烯醇(PVA)纤维对碱激发矿渣砂浆板弯曲性能的影响.同时,利用声发射(AE)......
结合在溶洞地质中的工程项目,对抗浮锚杆的施工全过程进行了介绍,其中重点对改进的弯曲关键技术进行了阐述.通过技术创新及现场实......
对弯段温差剪切分层流的断面环流微细结构与掺混强度特征进行了试验研究。选取45°、90°、180°三种不同弯曲度水槽,......
该文介绍了天然气输气管道弯头设计有关情况和弯头在材料供货、制造、检验中出现的问题以及处理这些问题的具体作法。通过对弯头存......
3DS MAX的强大功能早已为广大电脑爱好者所熟知。其中利用编辑修改器Bend做几何体的弯曲是很常用的。但是,如何充分利用Bend做出形......
为了得到较好流态整治效果下的斜底槛高度,通过设计模型试验,利用单因素递进分析法设计五级斜底槛高度,得到不同高度水平下的断面......
锅炉受热面管子制造过程中,弯头的质量检查占有非常重要的地位,本文详细的介绍了弯头质量检验的步骤使用量具及检测方法.......