2) iron oxide scale
氧化铁垢
1.
Chemical cleaning of iron oxide scale for tubular condenser;
列管式冷凝器氧化铁垢的化学清洗
3) insoluble iron scale
难溶铁垢
4) ferroferric hydroxides scaling
混合氢氧化铁垢
5) magnetic oxide scale
磁性氧化铁垢
1.
There are some difficulties in chemical cleaning of the magnetic oxide scale on titanium equipment.
钛材设备磁性氧化铁垢化学清洗具有一定的技术难度,国内对这一问题发表的文献不多,国外使用了羟基乙酸和甲酸的混酸清洗技术,国内因羟基乙酸价格昂贵,使用较少。
6) Scale
[英][skeɪl] [美][skel]
垢
1.
The inhibition performance of four sorts of scale inhibitors is tested with static scale inhibition method in saturated brine under the conditions of high temperature,high pH,scale inhibitor PPH-3 then is produced.
通过静态阻垢试验方法,考查了4类阻垢剂在高温、高pH值饱和盐水中对CaCO3的阻垢性能,并在此基础上复配出PPH-3阻垢剂。
2.
scale removers, type JH (JH-211A, JH-213A, JH213B) and WS (WS-1), are developed.
针对油气田普遍存在ＣａＳＯ４垢且难以处理的问题，研制了两类新型ＣａＳＯ４垢除垢剂：ＪＨ类和ＷＳ类。
3.
It is found out that the evaporating heating area producing scale caused by the water quality and flame adhering to the wall are the main causes of cracking,and ways to handle the situation are proposed.
介绍了石门电厂 1 # 炉蒸发受热面水冷壁管环向裂纹失效情况 ,分析了因水质问题引起蒸发受热面结垢与火焰贴墙是产生裂纹的主要原因 ,提出了处理对策 。
补充资料：钨铁电炉出铁(吉林铁合金厂)
钨铁电炉出铁(吉林铁合金厂)
吻 他排由帕中桩了士朴屏人乙曰“
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条