查询词典 friction force

Using the method of record on spot, the thrust correlation data to the construction process are recorded, the analysis have indicated that the jacking force have complex influence factors, basically assumed the linearity with the pipe distance; The synthesis friction coefficient jumps to a peak value from zero at the beginning section, then gradually drops until stabilizes to a lower level and keep to the end.

分析表明顶力影响因素复杂，与顶距基本呈线性递增关系；综合摩擦系数从出洞时的剧增到一峰值，逐渐下降直至稳定到一较低的水平直至进洞结束；顶管施工对上层土体的扰动是明显的，须采取有效的措施进行监测和预防其破坏程度过大。

In addition,the ideal working parameters were provided based on the research of working parameters and the object of pruning robot.During the research,a test system based on force sensor was developed,the friction coefficients between tyre and standing tree trunk of arborvitae,ginkgo and acacia were measured by the test system.This paper provides important data for the power selecting of pruning robot.

同时，对整枝机的工作参数、对象进行研究，提出了整枝机的合理工作参数，设计了一套测试系统；采用测力传感器测定整枝机系统轮胎与树木的作用力，计算出了轮胎与树木之间的摩擦系数；测定了侧柏、银杏、刺槐等几种主要树木的摩擦系数，为整枝机的动力选择提供了重要的依据。

In continuous extrusion forming process, the friction between the wheel groove and the feed is a driving force. The frictional energy and deformational energy change into heat, which makes the feed and the die's temperature field, strain field and stress field change.

在连续挤压成形过程中，挤压轮旋转，在变形体和模具接触面上的摩擦功和塑性变形功的作用下，变形体在塑性变形的同时，与模具及周围环境进行热交换，促使变形体和模具内的温度场以及变形体的应变场、应力场等不断发生变化。

Real-time grasping force optimization is a difficult problem because the friction forces between dextrous robot fingers and an object are nonlinear constrains.

由于机器人灵巧手与物体接触所产生的摩擦力约束为非线性约束，导致实时计算手指抓取力受到了极大的限制。

In this work,atomic force microscopy,near-field scanning optical microscopy,laser scanning confocal microscopy and quantum dot labeling were used to investigate the biophysical properties(the parameters including morphology,membrane nanostructures,membrane pore, friction distribution,adhesion properties,specific interaction of antigen-antibody,distribution mode of membrane receptors and so on) of T lymphocytes stimulated by phorbol dibutyrate plus ionomycin at nanoscale.

本论文基于AFM和NSOM，结合量子点标记及激光共聚焦等技术，以人外周血T淋巴细胞为研究对象，在纳米尺度研究了活化前后以及不同活化阶段T细胞生物物理特性的变化，即细胞形态结构、膜表面纳米结构、膜孔变化、膜表面摩擦力分布、膜表面粘附特性、抗原-抗体间特异性相互作用力、膜表面受体分子分布模式等。

However, if inextensible horizontal reinforcing elements are placed within the soil mass, as shown in Figure 1b, these reinforcements will prevent lateral strain because of friction between the reinforcing elements and the soil, and the behavior will be as if a lateral restraining force or load had been imposed on the element.

然而，如果在土体中加入无伸展性的横向加固元素，如图1b 所示，这些加固物会由于加固元素与土体间的摩擦作用而防止横向应变的发生，其性能就如同在加固元素上施加横向约束力或荷载。

By means of the weight of the masseur and the rolling bearing with less friction, the massagist can reach massage effect with less physical force consumption.

滚动体两端安置滚动轴承。推拿者推滚推拿器时，利用推拿器自身的重力及滚动轴承减少的摩擦，大大减少了推拿者的体力消耗，同时达到了推拿的效果。

Negative skin friction,axial force of the pile body and neutral point which provide reference for engineering are researched by using finite element sofware ABAQUS. It is about the properties of overlength piles with practical engineering parameters and conditions under silt sediment.

采用有限元软件按实际工况模拟长时间、大面积促於条件下桩侧摩阻力、桩身轴力、中性点等随促於时间的发展变化，为围垦区促於提供理论支持。

Sulfide layer was made on the surface of high speed steel (W6Mo5Cr4V2) by means of low temperature ion sulfurization. The tribological properties of the sulfide layer under dry sliding were investigated on an MM 200 friction and wear test rig. An atomic force microscope and a scanning electron microscope equipped with an energy dispersive spectrometer attachment were adopted to analyze the morphologies and compositions of the original and worn surfaces of the sulfide layer. The phase structure of the sulfide layer was determined by X ray diffraction.

采用低温离子渗硫工艺在 W6 Mo5 Cr4 V2高速钢表面制备了硫化物固体润滑层，在 MM- 2 0 0型摩擦磨损试验机上对渗硫层的摩擦学性能进行了干摩擦试验研究，用原子力显微镜及扫描电子显微镜和 X射线光电子能谱分析渗层表面、截面、磨面的形貌及成分，用 X射线衍射仪分析了渗硫层相结构。

This paper proposed a new reflection method in micro-friction testing , including its design principles, structure of micro-force sensor, demarcating method of the apparatus.

给出了一种基于光反射法的微摩擦测试仪的设计方法，介绍了该仪器的设计原理、测力传感器的结构设计、仪器的标定方法。

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。