The problems existing in the formula of α_c the effective supporting length at the end of a beam, in current code are discussed in this paper.

1、

An Estimated Method for Calculating the Critical Speeds of a Rotor& support System of Mechanical Equipment

机械装置转子支承系统临界转速估算K3法

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2、

An investigation is made of flake off features on back up roll of both tandem mill and HC mill in the Cold Strip Rolling Mill Plant.

对武钢冷轧厂冷连轧机和HC轧机支承辊剥落特征的研究表明，冷连轧机支承辊剥落类型有深层次剥落和辊面型剥落两种；

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3、

Periodic solutions of nonlinear rotor-SFD supporting system are calculated by using Newton-Fox shooting method and pseudo-arc length continuation procedure.

利用Newton－Fox打靶法和伪弧长连续算法计算了非线性转子&SFD支承系统的周期解。

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4、

The static calculation of double continuous beam on discrete elastic supports

双层弹性点支承连续梁的静力计算

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5、

The structure, design parameters, processing technology, new progress in application and research, anti earthquake mechanism of NR bearing are introduced.

阐述了NR支承系统的隔离原理，介绍了NR支承的结构、设计参数、生产工艺、实际应用及研究和应用新进展。

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6、

The main building consists mainly of space pipe trusses as the roof structure with a continuous span length of 220m and the 3 pipe shuttle shaped steel latticed columns as support members of the roof structure with a maximum height of 35m.

机场主航站楼屋面采用双曲面空间管桁架结构以及人字型柱支承体系，管桁架截面为倒三角形，连续跨度220m。

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7、

A Study of the Measuring Method for the Limit PV Curve of Bearing Guide Material FH& 857

支承环材料FH&857的极限PV曲线测试方法研究

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8、

FEM Analysis of Bearing Pressure at Bolted Joint for the Heterogeneous Bolt with the Internal Radius

异形内R型螺栓头部支承面压力有限元分析

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9、

Theoretical Analysis of Decay in Supporting Forces of Oval Tunnel Arches

卵形（蛋拱状）断面隧道拱圈支承力衰减规律的理论分析

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10、

Magnetic Bearing ( MB) is a kind of new typical mechatronics product which utilizes the electromagnetic attractive force exerting on a magnetic conductor to suspend a rotor without any contact.

磁悬浮轴承（MB）是一种新型的机电式轴承，是利用电磁场对导磁体的作用力而实现对转子的无接触支承。

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11、

Study on Nonlinear Bearing Characteristics of an Active Magnetic Bearing-rotor System

磁力轴承转子系统非线性支承特性的研究

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12、

The 200 kt/ a lube phenol extraction unit in Lanzhou Petroleum Processing and Chemical Complex was revamped. The previous mixed packing mainly containing ladder ring was replaced by TH ⅱ type double saddle ring packing. A ripple shape packing support was adopted.

兰州炼油化工总厂200kt/a润滑油苯酚精制装置将原萃取塔以阶梯环填料为主的混装填料改造为THⅡ型双鞍环填料，填料采用波纹状填料支承；

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13、

The geodesic meshed cable-net structure was used to support the reflector of the Five-hundred-meter Aperture Spherical Telescope ( FAST).

采用整体索网作为大射电望远镜（FAST）反射面的支承结构，网格划分形式为短程线型。

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14、

Numerical examples are carried out for a model rotor-bearing system with five bearings in a domestic 200 MW turbine generator set, which shows that the calculated results are in good agreement with those measured for some actual rotating machinery. Furthermore.

分别对一个5支承的模型转子系统以及国产200MW汽轮发电机组进行了数值计算，结果表明本文的计算结果与机组的实测结果比较一致。

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15、

NR Bearing and Its Application to Anti earthquake of Buildings

NR支承及其在建筑物抗震上的应用

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16、

Using 3-dimensional plotting software UG ( Unigraphics) to sculpt all parts of the assistant support;

使用三维造型软件UG（Unigraphics）进行辅助支承零部件的造型设计；

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17、

How Arch Footing Bearing Type Affects Internal Force on Arch Leaf

拱脚支承条件对拱片内力的影响

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18、

Study on sand belt grinding machine of automobile bent axle support saddle based on PLC

基于PLC的汽车曲轴支承座砂带研磨机的研制

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19、

The Electromechanical coupling dynamic equations of the rotor system supported by electromagnetic bearings are obtained by combining the equations of the PID controllers with invariable parameters and the motion equations of the un-symmetric rotor with gyro effect.

并联机构机电耦合动力学计算结合定参数PID控制器方程和具有陀螺效应的不对称转子运动方程形成了电磁轴承支承的转子系统的机电耦合动力学方程。

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20、

Bracket-quoit supporting structure of 120t steel-making convertor's reconstructing

120t炼钢转炉托圈支承结构改造

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