Chemical cleaning of iron oxide scale for tubular condenser;
列管式冷凝器氧化铁垢的化学清洗
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。
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。
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。
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 。
Formation Mechanism and Prevention Techniques of Iron Sulfide Fouling in Production and Injection Wells
油水井硫化亚铁垢的形成机理及防治技术
metal cleaning for rust prevention(chemical cleaning of steel products)
防锈用金属除垢方法（铁德化学除垢法）
Effect of Biofilm on the Corrosion and Fouling of Cast Iron Pipe for Water Supply
生物膜对给水铸铁管腐蚀结垢的影响
their tough, hostile faces, smirched by the grime and rust(Henry Roth)
他们生硬、敌视、沾满污垢和铁锈的脸庞(亨利 罗斯)
They can be applied to scaling prevention in the circulating cooling water systems in power plants, irons steel factories, chemical fertilizer plants, refineries and air conditioning systems.
用于电厂、铁厂、工厂、肥厂、油厂和空调系统等循环冷却水中防止结垢。
their tough, hostile faces, smirched by the grime and rust(bHenry Roth)
他们生硬、敌视、沾满污垢和铁锈的脸庞(b亨利 罗斯)
Tieguaili, one of the Eight Immortals in the Chinese folklore, was unkempt and lame and exposed belly.
铁拐李是中国民间传说中的八仙之一，他蓬头垢面，袒腹跛足。
Method of use: As dispersing agent of Fe2 O3 for preparing membrane, as scale-preventative for equipments of industrial water.
用途：本品可用作预膜时三氧化二铁的分散剂，工业用水设备的防垢剂。
Excellent cleansing effects on tiles and mosaic, especially to lod stains, rust and black water seal.
适用于磁砖、赛克等外墙清洁，对长期存留在外墙表面上的铁锈、垢、色水流印的清除有显著功效。
Research on Anti-Corrosion and Anti-Encrustation Process for Oil and Water Well Drill Rod;
油水井筒腐蚀结垢及防垢除垢工艺研究
Evaluation on the Scale Inhibitive Performance of PAA-Static Anti-Scaling Method
聚丙烯酸阻垢性能的评定——静态阻垢法
Dynamic Research of CaSO_4 Scaling and Inhibition in RO Systems;
反渗透系统中CaSO_4结垢和阻垢动态研究
Research on the scaling reasons and prevention of Wangxin 25 well;
王新25井结垢原因分析及防垢研究
Scale Inhibition Performance of HPMA-EDTMPS Compound Scale
HPMA和EDTMPS复合有机阻垢剂的阻垢性能
Synthesis of New Scale Inhibitor ASV and Study of its Scale Inhibition Effect
新型阻垢剂ASV的合成及阻垢性能研究
Prediction Model of Precipitation Fouling Process in the Heat Exchanger
换热器中析晶垢结垢过程的预测模型
Black dirt or soot, especially such dirt clinging to or ingrained in a surface.
污垢，灰垢黑色脏物或煤灰，尤指附着或深嵌在一个表面上的污垢
Comparison of Evaluation on Scale Inhibiting Performance Base on Conductivity Method and Static Method
电导法与静态阻垢法测定阻垢剂阻垢性能的比较研究