支承系统

A dynamic model of the rotor system with slow-varying mass and pedestal looseness was set up.

建立了带有支承松动故障的质量慢变转子系统的动力学模型，利用数值积分和Poincare映射方法，对该转子系统由于支承松动故障而导致的动力学行为进行了数值仿真研究。

The results show that the flow divider pintle supporting system has a closed loop adjusting effect with pressure feedback. The flow divider pintle returns to the balancing state with a zero eccentricity under the pressure feedback and has no overshoot.

结果表明配流轴支承系统具有压力反馈的闭环调节作用，配流轴在压力反馈作用下恢复到偏心率为0的平衡状态，且没有超调量。

Besides the measuring theory of dynamic balancing of rigid rotors on soft underprop,the separating principle of compensation plane and balance technique have been applied in the system.

分析了软支承刚性转子动平衡技术的发展现状，介绍了软支承刚性转子动平衡测试技术、校正平面分离原理及工艺平衡法，并给出了动平衡系统的模型及测试系统的设计方案。

Slideway role of supporting the equivalent of a template system

滑道的作用相当于模板的支承系统，既能抵抗混凝土的侧压力，又可以约束模板位移，且便于模板的安装。

The analytical contents of Chapter 6 are about the vibration features of the unsymmetrical support system.

第六章的分析内容是支承不对称系统的振动特征分析，支承不对称问题是由弹性支承故障而提出来的。

Based on rail/wheel reaction and track/bride reaction theory and systems engineering theory, new vehicle-track and vehicle-track-bridge system dynamic models are established and discussed in details, including ballast track model and ballastless track model. The characteristics of the models are:(1) vehicle-track and vehicle-track-bridge system dynamic models are coupled in vertical and lateral;(2) track vibration on bridge is taken in account, track on bridge is considered as one or two layer continuous-point supported rail model, according to actual track structure, interaction between vehicle and bridge transfer from track structure;(3) three type of ballastless track models (tieembanked, elastic-tie-block, slab track) are presented;(4) models reflect the main feature of actual vehicle, track and bridge structure, the response computation frequency of models is relatively broad, which can be applied to analyze both low frequency and high frequency vibration.

基于轮轨相互作用和线桥相互作用特点，本文从系统工程角度出发建立了车辆、有碴轨道和无碴轨道、简支箱梁桥垂向和横向耦合系统动力分析模型，该系统模型具有以下特点：（1）车线、车线桥体系均考虑为垂向、横向耦合振动系统，车线间通过轮轨接触几何关系耦合，轨道与桥梁间通过轨道与梁体间的力与位移协调条件耦合；（2）充分考虑桥上线路在车线桥系统中参振作用，根据桥上线路轨道结构特点将桥上轨道结构模型具体化，即对桥上轨道结构视为多层支承体系，车桥间的动力作用通过轨道结构来传递；（3）建立了三种形式无碴轨道动力分析模型，即长轨枕埋入式、弹性支承块式和轨道板式无碴轨道模型；（4）系统模型详细，分析频带宽，适用范围较广。

This model includes not only the effects on the dynamic capability of wood-working circular saw machine by the structure and installing position of each rotary components(such as saw,flange, fastening nut,principle axis,pulley,and so on)of wood-working circular saw machine,but also the effects by the structural parameter,working parameter,and the installing position of the bearing axletree.

本文通过对木工圆锯机结构、支承轴承特性及工作过程的分析，以国产MJ-90精密裁板锯转子系统(锯片、塔轮、锯轴、夹持装置和支承轴承)为研究对象，首次将木工圆锯机旋转构件作为转子系统，运用美国Rotating Machinery Analysis公司开发的大型转子系统动力学商业软件包XLROTOR，建立了木工圆锯机转子系统动力学模型。

It illustrates technology of construction of provisions room from support system of sliding formwork platform、 selection of lifting jack、 height of climbing form, puts forward construction measures of climbing form in winter, which to improve construction level of provisions room.

从滑模操作平台支承系统、升千斤顶选用、升模板高度选用等方面，阐述了粮食筒仓建设施工操作的技术，提出了滑模的冬季施工措施，以提高粮食筒仓施工技术水平。

Associated with shooting method and Floquet theory, the dynamic stability of the rotor system including the effects of seal and damping is analyzed under the stiff and soft support design.

结合已有实验数据，用打靶法和Floquet理论研究该不平衡系统在刚性支承和柔性支承两种工况下密封和内阻尼对系统稳定性的影响。

The domestics for backup roll bearing temperature control system of imported aluminium sheet and foil mill have been carried out.

介绍了铝板轧机支承辊轴承控温系统热电偶补偿导线的国产化；铝箔轧机支承辊轴承控温系统国产化。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。