本文适用于等径和变径的多种弯管。
This article covers to various curved pipes with equal or different diameter.
等径角轧制模具安装于普通双辊热轧机双轧辊出口处。
Equal channel angular rolling moulds are arranged on the exits of double rollers of an ordinary double roller calendar.
本文主要介绍了一种新形式焊接等径三通坡口的加工方法。
The paper introduces the manufacure process for the groove of a new form welding straight tee.
运用有限元模拟的方法研究了内角半径在等径角挤压过程中的作用。
The effect of inner corner radius on the plastic deformation behavior in equal channel angular pressing was investigated using finite element method.
简要介绍了等径焊接三通自动焊的设备结构、工作原理以及典型工艺。
This article introduces the construction, working theory and typical technology of automatic welding equipment for equal diameter welding tee to solve the low efficiency by manual welding.
等径弯曲通道变形（简称ECAP）具有获得超细晶组织和改善力学性能的潜力。
The equal-channel angular pressing (ECAP) had achieved the potential for obtaining ultra-fine grain and improving mechanical properties.
本文探讨了复动全开口提花机摆动从动件近似等径凸轮刀箱传动机构的设计原理。
The paper discussed the design principle of Approximate Equidiameter CAM mechanism with swing follower for actuating knife frame in Jacquard machine.
结果表明：纯铝经过等径角挤压变形后，其显微组织特征与加工路线有很大的关系。
The results show that the microstructure of pure Al highly depends on the routes of ECAP.
为了获得高质量的晶体，需要解决大尺寸锑化铟晶体生长过程中的精确等径控制问题。
To obtain high quality InSb crystals, a precision diameter-constant control technology is required in the growth process of large size InSb crystals.
介绍在电力行业设备安装、检修过程中管道等径弯头任意角度、任意弯曲半径的展开计算方法。
The paper introduces the developed calculation of the arbitrary Angle yoke of equal radius in the process of installation or repair of the pipes.
针对粉末多孔材料，采用体积可压缩刚粘塑性热力耦合有限元法对其等径角挤压过程进行模拟分析。
The densification and deformation behavior of porous materials during the ECAP process were investigated by (thermo -) mechanical coupling finite element method.
设计出用于提拉法生长晶体中从放肩到等径生长的直径控制的闭环系统。给出了该系统的运行结果。
It also describes an analogue servo-system for the control of Czochralski crystal growth from "seed-on" to growth termination and the operation of this system.
在直拉法晶体生长过程中，主要是通过调节提拉速度和加热器温度跟踪目标曲线来实现晶体等径生长的。
In the Czochralski crystal growth process, the main method is regulating the pulling speed and heater temperature to track the target curves, in order to achieve the diameter growth of crystal.
采用等径角轧制工艺制备了AM 60镁合金板材，并对轧制前后板材的显微组织与力学性能进行了对比。
AM60 magnesium alloy sheets were prepared by equal channel angular rolling (ECAR), the microstructure and mechanical properties were examined.
结果表明：经等径角轧制后的板材，晶粒取向由等径角轧制前的(0002)基面取向演化为基面与非基面共存的取向。
It is found that the orientation of the sheet processed by ECAR is changed and the crystal orientation evolves from (0002) basal plane orientation to coexistence of basal plane and non-basal plane.
针对石油化工行业大量采用的等径挤压三通，提出了一个计算内压载荷下的纵向平面内挤压圆角处各应力分量的近似方法。
An approximate method for calculating the elastic stresses at the squeeze at the squeeze corner sections of an identical diameter Tee branch pipe connection under internal pressure was presented.
结果表明： 等径道角挤压后二次加热等温处理是一种适于AZ91D镁合金的制坯方法， 加热温度对坯料的组织有很大影响。
The results show that reheating the AZ91D magnesium alloy extruded by an equal channel die is a kind of good method of preparing AZ91D magnesium alloy billets.
这种抽油泵柱塞游动阀采用机械强制开启和关闭的结构，柱塞为等径光管、浮动结构，可防止发生气锁游动阀、阀球关闭滞后、砂卡柱塞现象。
The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.
管线清管的目的是清除焊接时留在管道内的泥沙、焊渣等杂物，为管线测径和管线正常运行提供保障。
The purpose of the pipeline pigging is clear in pipe welding of mud, welding slags sundry, for pipeline caliper and normal operation of pipeline to provide security.
在现场操作中，会造成退火后线径变细、表面划伤、铜线发红、铜线变色、铜线氧化等一些现象。
In the field operation, can cause annealed wire diameter necked, surface scratch, red copper wire, copper wire color, copper wire oxidation and so on some phenomenon.
但是电力线信道上存在的各种噪声、衰减和多径传播等问题，这些都大大提高了通信的难度。
But the noises, the attenuation and the multipath propagation inhering in the powerline make it very difficult to realize such kind of communication system.
通过改变喷嘴入口压力、钻头保径宽度、喷嘴直径等影响因素，来研究井底流场的变化。
By changing the nozzle inlet pressure, drill gage width, nozzle diameter factors, to study the changes in these flow fields.
数值计算和计算机仿真结果表明了高斯噪声、多用户干扰、多径衰落以及分集接收等对系统性能的影响。
Numerical and simulation results show that the Gaussian noises, multi user interferences, multipath fading and diversity receiving all have impact on the system performance.
对12个有望作为糖果兼用蔗品种推广的甘蔗品种的产量性状如株高、茎径、公顷有效茎、蔗茎产量等进行了相关及通径分析。
Analyzing the main yield characters such as stalk length, diameter, effective stalks per hectare and cane yield using the correlation and path coefficient of 12 varieties of sugar-fruit cane.
燃气输配管网的压力级制、管网型式、阀门配置和管径配置等是管网结构因素。
The pressure range of gas transmission and distribution network, network type, valve arrangement, pipe diameter arrangement, etc.
分析了梭梭种群的径级结构、高度结构、密度和空间分布格局变化等。
The diameter structure, the height structure, the density and the distribution pattern were worked out.
分析了梭梭种群的径级结构、高度结构、密度和空间分布格局变化等。
The diameter structure, the height structure, the density and the distribution pattern were worked out.
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