Repair and anti abrasion measures of erodible parts of middle and small scale axial flow turbine;
中小型轴流式水轮机易磨蚀部件的修复与抗磨蚀措施
Mechanism of concrete pavement subjected simultaneously to freezing-thawing and abrasion action;
混凝土路面冻融-磨蚀复合作用机理研究
Through performing all kinds of anti-corrosion and anti-abrasion experiments,the ways of surface oxidation process and anti-corrosion coat materials of air propeller are selected in this article according to self-protection property of the air propeller used on certain ship.
根据空气螺旋桨在某船上的自身防护特点,通过耐腐蚀、耐磨蚀等各种实验,对空气螺旋桨桨叶表面氧化处理工艺和表面防腐涂层材料进行了筛选。
Experiment Study of Anticorrosive-wear about Tube and Rod Friction Pair in the Pumping Well;
抽油井管杆摩擦副耐磨蚀性能试验研究
Experimental study on electrode potential and electrochemical corrosion of four kinds of ordinary materials selected under different sewage environments was discussed,in order to ascertain the influence of electrochemical corrosion on corrosive-wear of oil tube and pumping rod.
为探讨电化学腐蚀对抽油井中管杆磨蚀的影响,选取油田常用的4种管杆材料分别在不同污水环境下进行了电极电位和电偶腐蚀实验研究。
Study the corrosive-wear rules of the oil tube and pumping rod in different environment can guide technologists through the selection of the suitable tube and rod materials.
研究不同油井环境下各种管杆配对材料的磨蚀规律,可以指导油田正确选择使用管杆配对材料。
But for those turbines in silt-laden river, because of the wear by sediment and the interaction between the wear and cavitation, the setting height of turbine would influence the investment and safe and stable operation of the hydropower station.
用不同的安全高程和水流含沙量作为试验条件，按金属磨蚀失重率来优选最有利安装高程，是一种新的方法，这在国内外还是首次。
Study on erosion-resistance of the flexible organic coating composite;
有机复合弹性涂层材料的抗磨蚀试验研究
Based on data review, the corrosion and erosion of metal drilling tools in under-balanced drilling are analyzed, including affecting factors, composition and application of corrosion inhibitors.
在对文献调研的基础上 ,综述了国内外在欠平衡钻井中对金属钻具的腐蚀与磨蚀方面所做的工作 ,主要包括各种影响因素的分析、相应防腐剂的组成和应用。
The analysis shows that the erosion happens in the oil refining activator slurry pump,the treatment to resisting erosion of the pump impeller,prolong efficiently the running period of this pump.
对催化剂浆料泵叶轮的磨蚀问题进行了失效分析 ,采取了一定的防护措施 ,有效延长了设备运行周
Study on New-style Sealing Structure for Anti-abrasion and cavitation;
新型抗磨蚀密封结构的研究
The water flow with silt have stronger destructive power to the abrasion and cavitation of the through-flow parts of the water turbine.
含沙水流对水轮机过流部件焊缝有很强的磨蚀破坏力,其主要原因是焊缝材料的疲劳强度很低,在相同的磨蚀强度下,焊缝材料最先被磨蚀破坏。