力平衡

Pretreatment can take full advantage of the local rock layers or the stability of their own, linked with the excavation layered reinforced concrete spraying.soil and debris to avoid the small joints broken rock slope collapses, and earth pressure anchor plate passed by the concentrated suspension bolt,bolt through the anchoring force of earth pressure balance.

可以充分利用岩土层自身或预处理的局部的稳定性，随基坑开挖分层挂钢筋网喷射砼，以避免土层碎片及岩石边坡小的节理破碎坍塌，并把土压力传给锚板，由锚杆集中受力，通过锚杆的锚固力平衡土压力。

By synthesizing the axial force calculation, the design calculation method of balancing axial force has very good practical value.

综合受力计算，轴向力平衡的设计计算方法具有很好的实用价值。

A mathematical model describing the characteristics of the heated film was derived by taking into account the effect of surface tension gradient on the film flow, as well as the force balance and mass conservation in the bulgy structure.

根据液膜边缘凸起区内的受力平衡和物料平衡关系，同时考虑温度引起的表面张力梯度对液膜流动的影响，建立了受热降膜收缩模型。

The structure feature of the sensor was described in comparison with the classical Stewart platform-based six-component force sensor.By using the finite element method,the elastic dynamics theoretical model of the sensor was established based on the conditions of displacement consistency and force balance.According to this model,the numerical analysis was carried out,and the variety relationship curves between the natural frequencies and the structural parameters are plotted.

描述了该传感器相对于经典Stewart平台六维力传感器所具有的结构特点；利用有限元法，采用位移协调和力平衡条件建立了传感器弹性动力学理论模型，依此模型进行数值分析，绘制了固有频率与各结构参数间变化关系曲线；并利用ANSYS软件建立了传感器有限元模型，进行了振动模态分析，得到其固有频率和振型。

Based on the balance of forces acting on interior earth fill of a counterfort structure, this paper proposes a theoretical calculation method of earth pressure on each member (including wall slab, counterfort and bottom slab) when the earth fill behind structure is in the condition of active critical equilibrium.

本文从扶壁结构填土的力平衡条件出发，提出了当建筑物后背填土处于主动极限平衡状态或弹性静止状态时作用在各构件上土压力的理论计算方法。

For example, the roll elastic deformation breaks the statically determinate condition of roll system in duo mill, and this is the main reason of bearing longevity shortening and burning accident; in aluminium foil four-high mill roll system with a 1 mm gap, the ideal position kept by a 3 mm offset is out of effect, some phenomenon such as chock horizontal vibration, gyroscopic effect and micro dimensional dynamic cross happen in fact rolling process, abnormal super and partial load resulted by these is the main reason of the end thrust bearing accident; the thermal deformation of mill roll system accompanying the temperature raising not only changes the roller track age of rolling bearing, but also results a micro dimensional slow dynamic inverse cross that counteracts the gyroscopic effect in a degree.

如二辊高刚度轧机轧辊的弹性弯曲微尺度行为，破坏了辊系机构杆系的静定条件，成为轧机轴承短寿烧损的主要根源；铝箔四辊轧机只具有1mm的有隙辊系，凭借设置3mm偏移距和轧制力平衡产生的水平力以保持轧辊理想定位失去效用，却发生轴承座水平振动现象、陀螺效应和动态交叉微尺度行为，成为止推滚动轴承异常超偏载导致短寿烧损的主要根源；轧机辊系的伴随升温产生的热变形，不仅改变了滚动轴承滚道轮廓，还引起运动副内慢变动态反交叉微尺度行为，抵消陀螺效应的部分动态交叉角度。

This new bit,with short bit profile shallow inner cone and double cutter structure,was designed considering the dynamics balance.

该PDC钻头采用短剖面形状，特殊双重切削布齿结构，又对钻头进行了力平衡设计，把钻头的侧向力减到最小，增加了钻头工作时的稳定性。

A pressure drop calculating equation of slug flow is achieved, which is based on the experimental data and the principle of force equilibrium.

利用根据力平衡原理建立的料栓平衡方程式并结合试验数据得出了预测栓流运动压力损失的公式。

Finally, based on the fundamental solutions of Biots consolidation of transversely isotropic saturated multi-layered soils, the Fredholm integral equation of second kind for the interaction between transversely isotropic saturated multi-layered soils and rectangular piles is established, the relevant numerical analysis is also carried out.

最后，基于横观各向同性层状饱和地基Biot固结问题的基本解答，建立了横观各向同性层状饱和地基与方形单桩、群桩共同作用问题的第二类Fredholm积分方程，并进行了数值分析与计算；通过将矩形刚性基础基底划分成若干个大小相等的矩形网格，用矩形均布荷载表示网格的基底反力，并利用已获得的横观各向同性层状饱和地基Biot固结问题的基本解来求解每个矩形网格的柔度系数，然后根据刚性基础与层状饱和地基的接触条件和其本身的静力平衡条件，求解分析了横观各向同性层状饱和地基与刚性矩形板的共同作用问题。

Based on the nonlinear static equilibrium equations of the system, the force singularity is described by the determinant and condition number of the Jacobian matrix clearly.

基于系统的非线性静力平衡方程，根据力传递Jacobian矩阵的行列式和条件数，剖析了工作空间内部的力奇异性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。