传动

According to the similarity criterion, an experimental model was designed which is one-third of 3500mm heavy and medium plate mill pressure screw-pairs in sizes. Electrometric method was adopted to get the load distribution of the thread layers by measuring the bending deformation of the screw teeth.

依据相似准则，制作3500mm中厚板轧机电动压下传动螺纹副1/3的测试模型，采用电测法获取悬臂螺牙弯曲应变值，模拟实际轧制力和过平衡力作用下螺纹副螺牙各层载荷大小及分布。

It is extensively used for different occasions that require DC power supply, including electrolytic chemistry, transmission, traction, electrostatic precipitation, electroplating and DC transmission etc.

整流变压器是指把电力网的三相正弦交流电压变换为所需要的交流整流电源的电压和相数的电源变压器，它广泛应用于点解化学、传动、牵引、静电除尘、电镀、直流输电等需要提供直流电源的场合。

By the author of the main circuit design, control circuit design,MCU trigger circuit design, and supporting a complete circuitdesign to meet the requirements of the elevator shaft DC drivecontrol system.

作者通过对主电路的设计，控制电路的设计，单片机触发电路的设计以及辅助电路的设计完成了符合要求的矿井直流提升机传动控制系统。

Through the elevator shaft DC transmission control system triggers the transformation of the traditional analog to digital trigger into digital trigger.

通过对矿井直流提升机传动控制系统中触发器的改造，将传统的模拟触发器改换成数字触发。

Through the elevator shaft DC transmissioncontrol system triggers the transformation of the traditionalanalog to digital trigger into digital trigger.

通过对矿井直流提升机传动控制系统中触发器的改造，将传统的模拟触发器改换成数字触发。

Centripetal Converter Blading Theory of sheaf flow of one dimension Entrance and exit Angle difference

七一一研究所；传动技术，，编辑部邮箱 1997年 01期向心式变矩器；叶栅；束流理论；进出口；角度差

On the basis of the research on the model of the planar enveloping hourglass meshing surface, the software is developed in which the design environment of enveloping hourglass worm pairs is parameterized.

在平面包络环面啮合型面的精确建模等研究的基础上，进行了包络传动副啮合副参数化设计环境的软件开发。

The state equation of the system is developed and dynamic simulation analysis is carried out.

本文结合现代设计技术，探讨了基于nern幻网的以速卷扬机传动系统设计方法。

In addition ,the thesis deals with amount of components devices and calculations ,including :(1) Choice of the main shaft and disposal of transmission , by doing so to ensure the accuracy of components machining in process when the main shaft rotating;(2)The device and check of the transmission shaft ,so it can assure the rigidity of the shaft is allowable ;(3) Gear device and calculations ,check the performance in the strength and rigidity of it ;headstock is a very important part in this thesis ,the design of it here not only ensures the rationality 、equipoise and stability of the motion of the slipway ,but also satisfies the requirements of different work environment .

液压装置的设计液压滑台、定位夹紧装置均为液压控制。并采用了许多液压控制阀，保证了运动的平衡性，循环性和精确性。另外，本文还涉及到大量的设计和计算，包括：（1）、主轴的选择和传动布置，以保证加工过程中被加工零件的精度；（2）、传动轴的设计和校核，以保证轴的刚度；（3）、齿轮的设计、计算，对齿轮的强度和刚度进行校核；多轴箱部分是本次设计的重要环节，本次设计中它的设计既要保证工作台的运动的合理、平衡和准确，又要满足工作要求。

The fact that solution of wave equation is equivalent to the extreme value of quadratic function solution was verified, and the existence and uniqueness of the quadratic function solution was also proved.

证明了波动方程的解和二次泛函极值解的等价性，以及二次泛函极值解的存在唯一性，为其在液压传动中流体瞬变分析的进一步应用提供了理论依据。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。