The electric heating apparatus comprises an electric heating tube plug and a sealing gasket .

电热装置仅由电热 管、 插头和密封垫组成，结构简单。

Finite Element Analysis of Influence of Draw Link on Tube Plug Drawing

拉杆对 短 芯棒拔制影响的有限元分析

Simulation Research on Cold Drawing Al Alloy Tube Without Plug

铝合金 管材冷 空 拔成形模拟研究

Finite Element Analysis of Copper Tube Drawing Process Using Diamond-Coated Dies with Fixed Plug

金刚石涂层模具 铜管固定 芯 头拉拔过程数值模拟

Analysis on Tube Wall Thickness Accuracy Improvement Resulting from Modified Second-Piercing Mill of Φ 400mm Plug Pipe Plant

Φ 400mm机组二次穿孔机改造后 钢管壁厚精度分析

Calculation of complex drawing loads for bimetal tube drawing with a fixed plug

双金属 管衬拉复合 拉拔力的计算

A reliability study on design confirmation and expansion of rifled tube hydraulic plug .

水冷壁内螺旋 管水压胀 塞的设计、验证及胀 塞的可靠性研究。

Forming Regulation of Cu / Al Bimetal Tube by Many Passes Plug Drawing

铜铝双金属 管连续衬拉复合成形的研究

The main injection tube and supporting injection tube chip the mud into pieces which is transported in dry method by the system made up of mud plug and gas plug .

该方法通过主喷吹管和辅喷 吹管联合作用，将泥屑（物料）离散成由泥屑 塞和气体塞组成的双管气力输送系统，对泥屑进行干法气力输送。

Piercing plug is one of the key tools in the production of seamless steel tube of which consumption is the biggest . The quality and the service life of the piercing plug have great impact on quality and production efficiency of seamless steel tube directly .

穿孔 顶头是无缝 钢管生产中消耗量最大的关键工具之一，它的质量好坏，使用寿命的高低，对无缝钢管的质量、生产效率有很大的影响。

The analyze of drawing force model is well meeting to the experimental result . Foundation is laid for optimal design of die structure and technological design of tube plug drawing mill .

本文所建立的拔制力分析模型经与实验结果比较，达到了较好的吻合，可为优化模具结构和进行 短 芯棒拔制工艺设计提供了依据。

The experiments of tube plug drawing verified that the theoretically calculated values are identical with measured ones . Thus this calculation model seems to be available to the engineering practice .

经与实验结果比较，理论计算值与 实测值 较为接近，此方法可以在工程计算中应用。

Chapter 4 mainly illuminates safety sampling technique including theory of corer tube stability qualitative analysis of parameters of corer releasing and a new type connection of plug pin .

第四章介绍了取样器安全性准则，主要包括 保真取样器稳定性理论及取样器释放参数的定性分析及新型 销轴式连接方式。

Rese arch on drawing circular tube without plug by simulation

基于仿真技术的圆 管空 拔成形研究

The phenomenon of longitudinal fission seldom occurred during the process of tube plug drawing mill compared with empty-sunken steel tube . The problem which seldom cause transverse fissure in form of partial failure owing to uniform distribution of axial stress in cross section .

与空拔相比较，在短 芯棒拔制过程中，纵裂现象一般不会发生，由于 钢管轴向应力在横截面上分布均匀，一般也不会出现以局部破坏形式出现的横裂现象。

Can be relaxed to take appropriate fill tube plug seal clearance .

可采取适当放松填料、清理封 管 堵塞。

High friction pick up and chatter resulting from contact between the tube and the plug not only restrict the reduction in section obtainable

由于 芯棒 与 芯杆接触导致的高摩擦、粘合和振颤不仅仅局限了可采用的截面收缩率

Calculation of drawing force on tube plug drawing mill

短 芯棒拔 管拔制力计算

Study on the transperitoneal sterilization of the fallopian tube with silicon rubber plug and its reversibility

经腹输卵 管硅橡胶 塞绝育术及其可复性研究

Analysis on Reheater Tube Burst due to Ash Plug of CFB Boiler

循环流化床锅炉再热器 堵灰爆 管的分析与对策

The shape of the internal plug for internal spiral-ribbed tube cold-drawing is analysed and the shape the cylindrical spiral linear one which is suitable for the plug mass production is put forward .

分析了冷拔内螺旋凸筋 管内芯头的形式，提出了适合批量生产的内 芯头形式&圆柱形螺旋直线内 芯 头。

The processes of the Single Tube ( ST ) Porous Plug ( PP ) and Spinning Nozzle ( SN ) for refining melted aluminium are examined .

分别对 单管、多孔 吹 头和旋转吹头的铝液处理工艺进行了考察。

This system can design three main procedures of Casting Rolling process they are horizontal continuous casting three-roll planetary rolling and tube drawing with floating plug and deal with the practical problems in copper tube process .

利用该系统，可实现铸轧工艺中水平连铸、三辊行星轧制和 游动 芯 头拉拔三个主要工序的智能化工艺设计，解决了铜管材加工过程中的各种实际问题。

Parameter Modeling for Vertical Tube Plug Flow Dense Phase Pneumatic Conveying

垂直 管 栓流密相气力输送的参数模拟

The virulence could keep steady for 400d when the strain was preserved in hermetically sealed tube with rubber plug at 4 ℃ .

该菌在用橡皮 塞密封的 试管中4℃存放时，400d内致病力基本保持稳定。

In this article based on the flow rules of two-phase ( gas-fluid ) bubbles flow it vertical tube the elastic and plug flows are preliminarily discussed .

本文是在垂直 管中气液两相气泡流的流动规律基础上，对弹 状流和 段 塞流的初步探讨，得出了弹 状流和 段 塞流条件下的空隙率和压降的相关表达式。

The piercing process of seamless steel tube is a hot working process the distribution of plug temperature is very important to its service life .

无缝 钢管的穿孔过程是一个热加工过程， 顶头的温度分布对于其寿命至关重要。

Calculation of wall thickness of thick wall tube drawn without plug by using zhou-zhou formula

用双周数表计算空 拔厚壁 管的壁厚