查询词典 tube

Dies for friction hot forming of metal tube end, workpiece forming principle and selection of die materials were presented in this paper.

本文简要介绍了金属管端摩擦热成型模具，工件成形原理以及模具材料选择。

And the dynamic equation for a DCC five-bar linkage is given out as an example. thirdly, with considering the effect of elasticity of rubber tube and friction on artificial muscle, a new contracting model for it is establishd.

基于新建力学模型，推导了人工肌肉驱动关节的驱动模型，研究了关节上存在的固有刚度和伺服刚度，提出了关节的双参数可控性。

When the pump shaft and the packing heat generated by the friction depends on water-sealed tube to live on the water to seal circle to fill cool!

当泵轴与填料摩擦产生热量就要靠水封管住水到水封圈内使填料冷却！

Within certain flow rate range, by comparing with straight tube, equivalent friction factor versus Renolds number and geometry property are correlated.

本文对几种盘绕方式和曲率半径的弯曲盘管在一定流量范围的水阻力进行了实验研究，与同条件下的直管进行比较，得出弯管折合沿程阻力系数与雷诺数和管道几何条件之间的关系曲线和经验公式。

Taking the friction into account and based on the empirical relation for flow friction in circular tube, the paper developed a correlation for the friction factor of gas-solid flow in riser.

参照圆管中的单相流动，考虑提升管几何参数和操作参数的影响，通过定量分析提升管内气固悬浮物与管壁间的摩擦，提出了对表观颗粒浓度的修正式，修正浓度与实际浓度吻合良好。

Electric submersible screw pump are screw pump and the electric submersible pump combination is a very applicable to horizontal wells downhole fluid lift system, belong to non-rod pump systems, to avoid the tube, rod friction wear and tear.

电潜螺杆泵是螺杆泵和电潜泵的组合，是一种非常适用于水平井的井下流体提升系统，属于无杆泵系统，避免了管、杆摩擦损耗。

Large quantity simulation analyses about some factors, which influence the hydroforming for real axle housing, such as bulge ratio, route of loading force, friction coefficient and tube blank characteristics, are operated separately with the dynamic explicit finite element analysis software LS-DYNA.

利用动显式有限元软件LS-DYNA，对影响后桥壳液压成形的胀形比、加载路径、摩擦系数、管坯材料性能等因素分别进行了大量的模拟分析。

The temperature response and sensitivity enhancing technology concerning fiber Bragg gratingis analyzed.A special kind of heat-resistant polymer is used to coat FBG to enhance the temperature sensitivity of FBG sensor.The polymer coating and solidifying process of FBG is improved.A kind of heat-conducted adhesive is used to reduce the friction between tube and polymer,and eliminate the chirp effect of FBG caused by the asymmetric shrinkage of polymer during the package process.The experimental results show that the FBG sensor can measure temperature from 20℃to 180℃.

简要分析了光纤布拉格光栅的温度响应及增敏原理，采用特殊耐高温有机聚合物对光纤光栅进行温度增敏封装，并通过改进光纤光栅的聚合物封装固化工艺，使用某种有机硅导热胶减小有机聚合物与套管材料的粘合度，消除了封装过程中由于聚合物材料不均匀收缩引起的光纤光栅反射谱啁啾化，实现20~180℃范围内光纤光栅传感器对温度高灵敏度测量。

Addressing the effect of mandrel moving speed and mandrel friction on continuous seamless tube rolling process,a three dimensional elastic-plasticity thermal-mechanical coupled simulation is conducted with a non-linear FE analysis software named MSC.

用非线性有限元分析软件MSC Marc/Superform对连轧管芯棒速度及其摩擦系数对轧制过程的影响进行了三维弹塑性热力耦合模拟仿真，得到了芯棒速度及其摩擦系数对轧制过程力能参数及变形参数间的影响规律。

According to experiment study of anti corrosive-wear capability about tube and rod friction pair which are made of ordinary materials and surface treatments,some straight figures were drawn about selecting friction pair's corrosive-wear ratio.

对抽油井常用管杆材料以及表面处理后的管杆材料摩擦副耐磨蚀性能进行了试验研究，结果表明：J55与N80普通油管与QT60接箍配合时，接箍磨蚀最小；而无论与哪种接箍对磨，涂层油管最耐磨，并且与非调质钢(FG20)接箍磨蚀时，接箍最耐磨。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。