力学平衡

本课题主要的研究内容有：1.根据挤压油膜液压阻尼理论建立了阻尼阀流量平衡方程与力学平衡方程，并通过MATLAB软件确定了各阻尼阀工作状态下的活塞振动速度及阀芯的开启高度。

According to damping theory of squeezing film , establish flow balance equation and mechanical equilibrium equation and figure out the piston velocity and the damping valve height by MATLAB software . 2 .

本文应用这一新理论（PNES热力学理论），以复合系统的观点研究了白矮的力学平衡问题。

This article employ the new theory ( PNES thermodynamics theory ) in the point of view of the composite system to study the mechanical equilibrium of white dwarf stars .

文章针对目前广泛使用的60°和90°气缸夹角的V型压缩机分别提出了力学平衡方法，并给出了平衡重的重径积设计方法。

This paper presents mechanical balance methods for two V-type compressors respectively , of which the angles between cylinders are 60 ? and 90 ? It also gives the design method of weight-diameter product for balancing weights .

假设盘作Keplerian较差旋转，处于流体力学平衡和局域热平衡，盘由粘滞耗散加热，能量通过对流和辐射向外传输。

The disk is heated by viscous dissipation and energy is transported by convection or radiation .

将一个新理论&正、负能谱（PNES）热力学理论应用于白矮星系统的力学平衡问题，对白矮星初期演化阶段的力学平衡进行了详细的分析。

Applying the new theory-the positive and negative energy spectrum ( PNES ) thermodynamical theory to the mechanical equilibrium of white dwarf stars , the mechanical equilibrium of white dwarf star at early stage has been analysed carefully .

整体弹性关节微型机器人的力学平衡方程

Static Balancing Equation of Micro-Manipulators with Monolithic Flexure Joints

液体有曲面分界系统中的力学平衡条件

The Mechanics Balance Conditions in the Boundary System of Liquid with Curved Surface

成力学平衡的体系压力相同。

Systems in mechanical equilibrium have a common pressure .

地下水的不合理开采，必然打破地下水系统的水量均衡、水盐均衡和岩土力学平衡。

Overexploitation of groundwater unbalances groundwater in water quantity , salinity and soil dynamics .

根据最小总势能原理，推导了以位移法为基础的力学平衡方程。

Based on minimized potential energy theory , equilibrium equation was founded using displacement method .

从非局部摩擦定理出发，建立了振动拉拔加工中的力学平衡微分方程。

According to the non-local friction theorem , the mechanical equilibrium differential equation is built .

本文从弹性力学平衡方程更为一般的弱形式出发，给出了含边界参数的弱形式方程。

A weak form equation containing boundary parameters is given for the three dimension elastic problems .

试验数据分析反映，一定的荷载对应一定的土拱力学平衡结构；

The experimental data also reflected that certain equilibrium mechanical structure was formed under given load .

对恒星力学平衡方程及辐射转移方程的一点修正

Corrections to the mechanical equilibrium equation for a star and to the transfer equation of stellar radiation

肱骨近端四部分骨折假体置换术中结节复位程度对肩关节力学平衡的影响

Effect of tubercle reposition on mechanical balance of shoulder in the shoulder hemiarthroplasty for four-part fractures of the proximal humerus

在假设列车匀速行驶的条件下，三个系统通过力学平衡条件和位移协调条件耦合联立。

Supposed the train under uniform speed , three subsystems were coupled connected by displacement coordination condition and mechanical equilibrium condition .

考虑液体表面张力对空化核的影响，基于力学平衡条件，讨论了球状空化核界面的平衡性。

Considering influence of liquid surface tension , equilibrium of a spherical nucleus has been discussed based on mechanical equilibrium of the interface .

煤炭开采将破坏岩体内部原有的力学平衡状态，使岩层发生位移和变形，破坏岩体的完整性。

The coal mining will destroy the originally mechanical balance of the rock strata and undermine the integrity of rock with moving and deforming .

本文由力学平衡方程导出了微重时矩形容器内静液面方程；

Based on the equilibrium equation in mechanics , the equation for finding the shape of hydrostatic surface in rectangular tank under microgravity was derived .

最后，本文通过对多边块模型力学平衡条件进行分析，得到了山地浅埋近距离煤层群合理支护阻力的计算方法。

At last through the analyes of the Mechanical equilibrium condition of the multilateral block sructure reasonable support resistance of mountainous shallow-buried close multiple coal seams was confirmed .

建立了分段成形桥梁任意施工过程的力学平衡方程，由力学平衡方程推演出分阶段施工桥梁过程控制的核心是构件单元的无应力状态量。

The control and adjustment of quantity of unstressed state of the structural elements provides a solution to the problem of erection calculation for bridge constructed by stages .

将接头垫层受力特性抽象为若干弹簧，通过力学平衡条件和合理的简化，建立了接头刚度理论模型；

The stress characteristics of joint cushion was abstracted to some spring , and the theoretical model of joint rigidity was built by mechanics equilibrium condition and reasonable simplification .

研究结果表明：共轭凸轮驱动的双提升摆臂机构使得电子提花机获得完美力学平衡，可以很好地适用于高速开口运动。

The result of study shows that the conjugated cam-driven double-acting lifting arms could make the electronic jacquard obtain a perfect mechanical equilibrium and is nicely suitable for high speed shedding .

在深基坑工程的施工过程中，土体原有的力学平衡随着土体的开挖处于不断地发生变化，设计中必须要考虑开挖与支护过程中各种因素的影响。

In the deep excavation engineering construction process , soil mechanics balance with original soil excavation is constantly changing , the design must is considered excavation and supporting process various factors .

为了适用于客滚船舶配载计算的需要，根据船舶的浮态力学平衡方程，提出了船舶浮态参数按逐步加量的递进计算方法。

For the need of loading on Passanger Ro-Ro ship , the mechanics equilibrium equation of ship floa-tation is used to propose the calculation method of add-weighting with step by step .

污闪是一种与电、和化学因素有关的污秽表面气体电离及局部电弧发生、展的热动力学平衡过程。

The process of flashing involves ionization on the dirty surface concerning the factors of electric , heat and chemicals , thermal dynamic equilibrium process of local electric arc occurrence and development .

根据组合柱各组成部分极限（屈服）条件，应用极限平衡理论建立了截面的力学平衡方程，基于钢骨翼缘对核心混凝土的附加约束，推导了该组合柱的轴压极限承载力计算公式。

Based on the mechanical behavior of the composite column and the yield condition of its components , a formula for computing the ultimate bearing capacity was obtained with the limit equilibrium method .

假设悬索自重沿弧长均匀分布，由悬索微元力学平衡关系，推导悬索曲线方程。

Given than the self weight of suspension cable is uniformly distributed along the whole length of the curve , the equation of cable curve was deduced according to infinitesimal mechanical balance relation .

本文把开挖引起的地表移动看成是层间既满足力学平衡条件又满足几何接触条件的多层层状弹性介质的弹性力学平面问题。

The surface movement caused by excavations can be regarded as an elastic plane problem with multiple layers of elastic media , which can satisfy both conditions of forces equilibrium and conditions of geometric contact .

本文分别以单、双拖网理想工作状态作为边界条件，由纲索力学平衡方程式得出了计算单、双拖底曳网曳纲投放长度的有关解析式。

In this paper , the analysis formulas for length of warp towed by single and pair trawlers are derived respectively from cable dynamics equilibrium equations with the ideal working state of trawls as boundary conditions .