Study and analysis are made on premature breakage on the cross beam of vibratory screen produced with licensed technology.

Transfer and Conversion of the Computer Programs for Boilers with Licensed Technology

引进锅炉计算程序的移植及转换

The female casing coupling is deformed to make up improperly, due to the big size of casing, deep setting depth and heavy hanging load.

由于套管尺寸大、下入深、悬重大，引起母接箍变形，上扣不到位；

Described here in the paper are the processing technology of high-strength, large-sized casing coupling, and the methods used to measure coupling deformation;

简介了高强度、大口径石油套管接箍机械加工工艺，以及测量接箍变形的方法；

Reducing coupling deformation during machining of high-strength, large-sized casing coupling

减小（高强度、大口径）石油套管接箍加工变形

The program is to process all kinds of oil well pipe thread and casing coupling.

该项目是加工各类油井管螺纹、套管接箍的机械加工项目。

When the pump is first started, rotation of gears forces air out the casing and into the discharge pipe.

当泵首次启动时，齿轮的旋转迫使空气离开壳体进入排油管。

The paper sketches the course of research and development of" CG percussive grabbing boring equipment with casing", composition and specification of equipment;

简述了国家重点新产品“CG型全套管冲抓成孔设备”的研发历程，以及设备的组成、特点和参数；

Through shooting fast neutron and measuring spectral gamma-ray produced by neutron activation reaction, oil-bearing saturability of strata outside boring casing can be determined.

通过向地层发射快中子并测量中子反应产生的伽玛射线能谱能够确定套管外面地层的含油饱和度。

Discussing the OilWell Construction Question from Surficial Boring Casing Tripping in Accurate Location in Yanchang 86 Well

从延86井表层套管下入位置谈油井施工问题

Ultrasonic casing inspection tool cryogenic line leak detector

超声套管检查测井仪制冷剂排管泄漏检测器

The results show that: the strength and fatigue lifetime of the outer casing including welding line can satisfy the design requirement.

分析结果表明：外机匣（包含焊缝）强度和寿命满足设计强度和寿命的要求；

Tianjin Pipe Corporation Tube Processing Factory transformed the original plain-end tube production line into plain-end/ casing tube line in order to produce the oil casing tube with high additional value.

天津钢管公司管加工厂为了生产高附加值无缝石油套管，将原来一条光管生产线改造为光/套管线。

Through the comprehensive technical level analysis of China plate rolling, pipe making and pipe processing, it points out the possibility and necessity of establishment of ERW casing production line in China.

通过对我国近年来卷板轧制、管材制造及管加工等技术水平综合分析，认为，在我国建造ERW石油套管生产线是必要的、可行的。

The Design Alternative of Automation Reform for Oil Casing Production Line Based on PLC

基于PLC的石油套管生产线自动化改造方案设计

Application of PLC Technology in Petroleum Casing Product Line

PLC技术在石油套管生产线上的应用

DESIGN AND EXPERIMENT OF HIGH SPECIFIC SPEED VOLUTE MIXED FLOW PUMP Measurement of Hydraulic Losses in Volute Casing of a Reversible Pump-Turbine under Pumping Mode

高比转数蜗壳式混流泵的设计与研究混流可逆式水泵-水轮机泵工况蜗壳损失试验研究

Based on four kinds of elements, the contact node pairs are established and the finite element analysis of the clearance and contact among the volute casing, vaned intake ring and cement foundation is carried out with the step loading method.

本文在采用板壳元、块体元、边界元、伪单元和建立接触点对的基础上，利用分步加载法对蜗壳、座环与水泥基础间的间隙和接触问题进行了有限元分析计算。

The experiments of an oil film visualization technique are accomplished on the surfaces of impeller, inlet segment and partial meet face between inlet segment and volute casing.

对螺旋离心泵叶轮、进水节和进水节与蜗壳交界处的部分端面做了表面油膜、油点试验。

Flow field of centrifugal pump ( Pump flow passage includes suction pipe, impeller and volute casing.) was obtained by solving the Reynolds average Navier-Stokes equation.

通过求解包括进水管、叶轮、泵体等过流部件在内的水泵流道内的三维稳定雷诺平均Navier-Stokes方程，获得水泵内部的流场分布特征。

A Higher Order Sound Modal Analysis of the Volute Casing of a Centrifugal Fan with a Sound-Soft Boundary

声软边界离心风机蜗壳高阶声学模态分析