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.

1、

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

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2、

Application of PLC Technology in Petroleum Casing Product Line

PLC技术在石油套管生产线上的应用

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3、

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

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4、

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。

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5、

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。

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6、

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。

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7、

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

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8、

Contact among Volute Casing, Vaned Intake Ring of Large Hydraulic Turbines and the Cement Foundation

大型水轮机蜗壳座环与水泥基础间的接触问题

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9、

Optimum Design for Volute Casing and Base Ring of Large Hydraulic Turbines

大型水轮机蜗壳、座环结构优化设计

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10、

A Discussion on new ISO criteria for oil well casing strength calculation

油井管强度计算方法新ISO标准讨论

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11、

Development of checking software for deep well casing string in complex conditions

复杂工况下深井套管柱校核软件的开发

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12、

Mechanics model for interaction between creep formation and oil well casing

蠕变地层与油井套管相互作用力学模型油套-套管环形空间

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13、

The 3D simulation and recognition method of oil/ water well casing defects

油（水）井套管缺陷的三维模拟及其识别方法

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14、

Application of ANSYS in forecasting of water injection well casing damage

ANSYS软件在注水井套损预测中的应用

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15、

Research of Safety Technology on Well Casing and Well Head of Natural Gas Well

天然气井井筒及井口安全技术研究

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16、

Application of a new calculation method for well casing cathodic protection

套管阴极保护的一种新计算方法及其应用

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17、

Flexibility Development of HP/ IP Outer Casing Manufacturing

高中压外缸的柔性制造开发

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18、

Coatings used in plastic outer casing of household appliances and its application

家电塑料外壳用涂料与涂装

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19、

This article analyses outer casing of home electric appliance being live.

该文就家用电器外壳带电的几种情况进行了分析。

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20、

Analysis of Outer Casing of Home Electric Appliance Being Live

家用电器外壳带电的分析

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