采用中频感应加热无接触技术，将石英净坨拉制成为石英管。
The pure quartz lump becomes quartz tube via untouched technology of intermediate frequency induction heating.
中频淬火变压器用于工件的透热、淬火、退火、弯管钎焊等工艺。
Medium frequency transformer quenching is used for workpiece diathermy, quenching, annealing, brazing, etc.
管体屈服强度和屈强比有明显变化，其主要影响因素是防腐前的中频加热温度。
There is clearly changed on yield strength and ratio of yield and tensile strength and the main affecting elements is middle frequency heating temperature before coating.
本文介绍了电渣精铸裂解炉弯管的设备、工艺，并同传统的中频炉一砂型铸造工艺进行了比较。
This paper summarises the equipment and process of producing return bends used for the ethylene cracking furnace by ESR-precision casting.
热扩钢管采纳的二步促进式扩管机集锥模扩径技能，数目字中频感应加热技能，液压技能于一机。
Thermal expansion Pipe adopted by two-step pipe mill set for expansion cone-type mold Expanding skills numerals medium-frequency induction heating skills skills in a hydraulic machine.
其主电路采用全桥式拓扑结构，以IGBT管为功率开关器件，中频变压器使用微晶磁心。
Full bridge topology was used in the main circuit, IGBT was used as power switching device, and micro-crystal core was used in mid-frequency transformer.
通过对某种型号电动自行车调速控制器的剖析及试验，找出了原控制器使用过程中频繁烧坏功率场效应管的原因，研制出了一种改进型控制器电路，从根本上解决了原电路存在的问题。
Analysis and test of speed controller circuit of certain electric bicycle is performed to find out the reason for a frequent burn-out of power FET of the original controller during working.
通过对某种调速控制器的剖析及试验，找出了原控制器使用过程中频繁烧坏功率场效应管的原因，斫制出了一种改进型控制器电路，从根本上解决了原电路存在的问题。
Analysis and test of speed controller circuit of certain electric bicycle is performed to find out the reason for a frequent burn-out of power FET of the original controller during working.
具体 是一种中频、变频感应加热金属管产生热水、开水、蒸汽的装置。
The invention specifically relates to a device for generating hot water, boiling water and vapor by intermediate frequency and variable frequency induction heating metal pipes.
具体 是一种中频、变频感应加热金属管产生热水、开水、蒸汽的装置。
The invention specifically relates to a device for generating hot water, boiling water and vapor by intermediate frequency and variable frequency induction heating metal pipes.
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