This article mainly discuss the structureal features and material selection for zero leakage Y type bellows seal globe valve which used on high temperature and high pressure pipe line.

Bellows sealed gate valve

波纹管密封的闸板阀

Describe the construction features and working principle of bellows seal gate valve discusses the material selecting factors and length calculating method for the bellows.

介绍了波纹管闸阀的结构特点及工作原理，阐述了波纹管材料选择条件及长度计算方法。

Bellows sealed gate valve light activated silicon-controlled rectifier

波纹管密封的闸板阀光激可控硅闸晶体管

Design of the metallic bellows for the valve

阀门用金属波纹管的参数和结构设计

Y type bellows seal globe valve for high temperature and high pressure

高温高压Y形波纹管截止阀

Development and application of bellows globe valve

波纹管球芯阀门的开发与应用

The roof structure of the hall 8 of Shanghai New International Expo Center is composed of 16 spatial fish-bellied steel trusses, whose span is 72m. Due to the diamond cross section, the stiffness of the trusses is weaker.

上海新国际博览中心8馆的屋盖结构由16榀跨度为72m的鱼腹式空间钢桁架组成。

Model Test for Cantilever Fish-bellied Thin-wall Steel Girder

大悬臂鱼腹式薄壁钢箱梁模型试验研究

Construction Method of Steel Pipe Scaffold Bamboo Formwork for Fish-bellied Continuous Box Girder Bridges in City

城市鱼腹式连续箱梁桥采用钢管支架竹胶板底模的施工方法（鱼腹腔中的）黑膜

Construction of fish-bellied large volume continuous box girder groove

大体积鱼腹式槽型连续箱梁施工技术

Construction of Self-balancing Fish-bellied Cable and Truss Composite Structure Support System

自平衡鱼腹式索桁架混合结构支撑体系施工

The article introduces the technical gist of the construction control of the fish-bellied concrete continuous box beam.

该文介绍了鱼腹式混凝土连续箱梁的施工控制技术要点。

The invention designs the Belleville spring external guide part in the vertical vibration isolation device contacted with an external sealing steel plate to be a clamp plate lead shear damper;

本发明将竖向隔振装置中的碟形弹簧外导向杆和外封钢板接触的部分设置为夹板式铅剪切阻尼器。

Calculation of belleville spring used for valve

阀门用碟形弹簧的计算

Optimum Design of Belleville Spring of Disk Brake on the Mine Winder

矿井提升机盘式制动器碟形弹簧优化设计

The Optimization of Parameters for a Belleville Spring Absorber under Harmonic Vibration

简谐振动时碟簧吸振器参数优化

Computer aided optimum design of Belleville spring without supporting face

计算机辅助无支承面普通碟形弹簧的最优化设计

In this paper, a force analysis for the Belleville spring washers is presented in a simplified way and the basic equations of deformation are given.

本文对碟形弹簧片受力进行了简化分析，给出了变形的基本方程。

Reliability-optimization design of shock absorbing Belleville spring for drilling and production machinery

钻采机械减震碟形弹簧可靠性优化设计

Most love letters are only interesting to the people who sent or received them, but these ones were much more than pretty words on paper-they were confirmed to have been written by Giovanni Boldini, who was one of the most influential painters of the Belle Epoque.

大部分的情书只是写信人和收信人会感兴趣，但这些信不同，它们远比那些纸上的漂亮话有吸引力得多——它们被认定是乔瓦尼·博尔迪尼所写，一位在法国美好时代（一战前）颇具影响力的画家。