变径

流量呈梯形分布的微灌变径管道水力设计方法

A Hydraulic Design Method of Reducing Pipe with Ladder-Shaped Flow Rate Distribution in Mini-irrigation

有压变径长管引水发电站及电解铝系统

A Power Station by Drawing Water with Pressured Reducing Long Pipes and a Electrolytic Aluminum System

基于CFD的中浓纸浆悬浮液在变径管内流动的数值模拟

CFD Simulation of Medium-Consistency Suspension Flow in Diameter-Varying Pipeline

以变径管注塑模具为例，采用ANSYS软件进行瞬态热分析，对模具和塑件的冷却过程进行仿真。

In this paper transient temperature distribution of varying diameter tube injection mold is analyzed by ANSYS software .

SBS改性沥青螺旋上料机的变径变螺距设计

Design of SBS modified asphalt helix transfer units with variable diameter and pitch

Q345·C厚壁压力容器锥体变径段焊接裂纹分析及返修

Remedy and analysis of welding crack for cone-shaped variant section of thick wall pressure vessel on Q345 · C

利用Delphi的文件操作以及数据库管理功能对通径仪硬件得到的二进制数据进行分析处理，可以自动得到管道的变径信息，这一过程对用户透明。

Using file processing and data-base management of Delphi , original binary data gained by pipeline diameter detector can be auto-analyzed and then generate information about diameter change .

通过构筑PM空间密度函数，求出饱和岩石的应力应变状态方程，并模拟了其轴向应变径向应变滞后回线。

Through constitution of PM space density function , the stress-strain state equation for saturated rocks has been defined and the hysteresis loops of axial stress-radial stress has been simulated .

本文以VW0.45/7Q型空压机为例，从采用降低机械噪声的几种措施及设置进气变径弯头的角度，介绍了全无油空压机的降噪途径。

This paper discussed the way of reducing noise of oil-less air compressor from taking several measures of reducing mechanical noise and installing a variable-area bend in VW-0.45/7-Q Type Air Compressor .

KON-PIT桩基检测仪在变径桩检测中的应用

Application of KON-PIT Tester in Detection of Variable Diameter Pile

本文根据镜质体反射率、K－Ar年龄和磷灰石裂变径速资料，从恢复鄂尔多斯盆地的沉降抬升史与地热史入手，讨论了油气形成与运移的时间、运移方向及其油气勘探方向。

Abstract On the basis of vitrinite reflectance , K-Ar ages and apatite fission-track data , the time of hydrocarbon generation and migration , migration direction and hydrocarbon exploration direction are discussed starting with the reconstruction of the subsidence and uplift history and geothermal history of the Ordos Basin .

实验组运用可变径篮圈（直径是40cm）进行跳投训练，对照组运用标准篮圈进行跳投训练。

The use of the experimental group can be adjustable ring ( diameter 40cm ) for jumper training , the control group using standard jumper ring for training .

与GB150-1998《钢制压力容器》规定的锥形封头变径段进行比较，得出椭球壳变径结构具有较好的承载能力。

Compared with the knuckle of toriconical heads prescribed in the National Code " GB-1998 , STELL PRESSURE VESSELS ", the knuckle of ellipse shell has better pressure-enduring capacity .

设计了一种用于管道检测机器人的旋转夹兵，该夹具能够在100～200mm以及200～400mm范围内对管道实现变径剖分式夹紧。

A rotation jig applied to pipe inspection manipulator is designed . It can clamp the pipe whose diameter ranges from 100 to 200 mm and 200 to 400 mm with split structure .

本文以重400t的反应沉降再生器为工程实践，以模拟试验为基础，对在变径段设置吊耳的结构形式进行了模型失稳研究，并顺利成功地进行了吊装。

Based on the simulation test , a practical research on model unstability of structure forms of ears set on the variable diameter parts of 400t reaction-settlement-regenerator are given in this article . The successful result for hoisting and assembling has been got .

将基于实数编码的加速遗传算法（RAGA）应用于多孔变径管优化设计中，解决了设计中多维参数寻优问题，避免了传统方法早熟、提前收敛以及易陷入局部最优等弊端。

Combining RAGA with the optimization design of multi hole , varied diameter pipe , the authors solved the problem of optimizing multi dimensional parameters at the same time , in which the advanced convergence and easily to run into partial optimization were avoid .

钢筋混凝土旋扩变径桩受力性能分析

Analysis of the Bearing Performance of Reinforced Concrete Variable Sections Piles

变径焊接接头的焊接质量事故分析

Analysis of accident due to welding quality of changeable diameter joint

变径毛细管柱GC/FTIR联用技术的研究

The study on the combination of tapered capillary column with FTIR

变径灌注桩及其制造工艺

Variant Section Cast in situ Piles and Its Technology of Manufacture

浓相气力输送中变径管道优化设计方法的研究

Optimization design method of stepped pipeline in dense phase pneumatic conveying

基于加速遗传算法的多孔变径管优化设计

Optimization Design of Multi-hole and Varied Diameter Pipe Based on RAGA

大型变径液化气体运输半挂车的设计

Design of the Large Different - Diameter in LPG Delivery Semitrailer

在塔设备变径段设置主吊耳的实践研究

Practical Research for Setting Ears on Variable Diameter Part of Tower

利用变径声粒子进行空间声场的仿真

Simulation of Spatial Acoustic Field Using Sonic Particles With Changing Diameter

用井下闭环可变径稳定器控制大位移井的井眼轨迹方法研究

Study on Extended-reach Well Trajectory Control with Downhole Close-loop Adjustable Stabilizers

回转包装容器吹塑成型变径部分应力应变分析

Stress-strain analysis on variable radius section in revolving packing container blowing

面部，根部和侧弯，变径。

Face , root , and side bend , Reduced section .

自动变径大直径钻孔抽放煤层瓦斯试验

Gas drainage in seam with large auto variable diameter bore holes

井孔变径与井水位的固体潮效应

Well radius variations and earth tide effect of well water level