According to the failure problem of expansion joint in hydrogenation preheater,the methods used to repair the expansion joint in the fixed tube sheet heat exchanger were introduced.
针对加氢预热器膨胀节失效的问题,简要的介绍修复该固定管板式换热器膨胀节所采用的方法,同时还按相关标准校核了膨胀节焊缝的强度,指出了膨胀节拆装的主要注意事项。
To heat(an oven, for example) beforehand.
预热预先加热(如,火炉)
preheat and hot spot system
预热与局部加热系统
steam air heater
蒸汽加热式空气预热器
To subject to or conduct a pretest.
预先测试参加或主持预先测试
prestress forming
预模压加热蠕变成型
The shell and cover of the waste gas preheating section and NOF heating furnace.
炉气预热段及NOF加热炉的炉壳及炉盖;
Hazard to High-pressure Feed Water Heater by Low-pressure Feed Water Heater Outaging and Preventive Action in 660MW Unit
660MW机组低压加热器停运后高压加热器预防措施
You put the tea into the pot before adding the hot water .
先把茶叶放入茶壶，然后另加热水。
First, suppose the mixture is heated to the temperature T1.
首先，假定将混合物加热到温度t1。
Include interstitial advertising in your prerecorded broadcast
在预先录制的广播中加入间隙广告
- Strengthening pre-study and technological infrastructure construction.
－－加强预先研究和技术基础建设。
Research of High Frequency Induction Heating Power Supply for Preheats of the Cross-linked Polyethylene Copper Core Cable;
交联电缆铜导体预热感应加热电源的研究
The Application of Electric Heater in Welding Preheating for Rotating Wheel of Water Turbine
电加热器预热在水轮机转轮焊接中的应用
Add applications to preload on the new computer
添加要预先加载到新计算机上的应用程序
Prepare osmanthus syrup: Mix all the ingredients together and bring to the boil.
预备糖浆：把材料混合后加热，便成。
Application of Preload Disc Spring in the High-pressure Hydrogenation Heat Exchanger
预紧碟簧在加氢高压换热器上的应用
Heat tube first, beginning one inch from edge of valve.
首先加热管道，从距离阀门2.5公分的位置开始加热。
Preconditioning hyperthermia resulted in significantly increase of HSP70 expression.
预先的热刺激导致HSP70基因表达增高至1.83±0.30。