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  1. 对AMT、BTA(苯并三氮唑)单一溶液在不同浓度、不同温度处理时的处理效果做了详细的空气中挂片试验研究;

    The treatment effect of AMT 、 BTA at different concentration and different temperature is researched by coupon testing in air .

  2. 采用腐蚀挂片试验与XPS表面成分分析发现,在锈蚀的碳钢表面总伴有大量的含硫化合物吸附富集,吸附与锈蚀共存,二者是相互促进的关系。

    It is found that sulfide is always enriched on the rusted surface through the XPS composition analysis and corrosion coupon testing . The corrosion and absorption coexist and mutually promote each other .

  3. 分别采用高压釜挂片和电化学测量的方法对温度、溶解氧浓度、pH值、溶液电导值和恒温时间等因素对碳钢腐蚀的影响进行了研究。

    The main factors influencing corrosion of carbon steel were studied by autoclave test and electrochemical methods .

  4. 通过室内腐蚀挂片及电化学测量试验,研究了B级碳素船体钢三种常见焊接接头的耐海水腐蚀性能。

    The corrosion tests were carried out for three types of commonly used welded joints of B grade marine carbon steel by piece hanging method and electrochemical measurement .

  5. 通过旋转挂片试验,用失重法、表面观察法和表面分析技术(SEM),研究了四种缓蚀剂在井下矿坑水作为工作介质时对单体液压支柱的协同缓蚀效应。

    Four kinds of corrosion inhibitors used for anti-corrosion of mono-hydraulic prop were investigated by using weight-loss tests ( hanging piece methods ), surface-observation and SEM .

  6. 通过挂片实验并模拟油田现场环境,研究了不同CO2浓度不同采出液对油田常用碳钢A3钢和20钢的影响。

    By hanging piece experiments and simulating oilfield environment , the action of different CO2 concentration with two kinds of steel , A3 and 20 # , were studied .

  7. 研究了脱硫剂的选定,模拟试验,副反应和对有机硫(COS)的吸收及腐蚀挂片试验等。

    The research work included selection of desulphurizer , model test . effect of sub-reaction on organic sulphur ( COS ) absoption and corrosion test .

  8. 通过动态旋转挂片实验,研究了水处理剂腐植酸钠(HANa)的缓蚀性能以及与Zn2+和葡萄糖酸钠复配的缓蚀协同效应。

    The ability of corrosion inhibition and synergistic effect of water treatment agent of sodium humate ( HA-Na ) with Zn ~ ( 2 + ) and sodium gluconate were studied through dynamic experiments .

  9. 另外,通过旋转挂片实验的研究表明:PASP具有良好的缓蚀性能,当PASP投加量为5mg/L时,缓蚀率就达到90%以上;

    In addition , the experiment of corrosion inhibition shows that : PASP has good corrosion inhibition effect .

  10. 采用静态旋转挂片试验法,研究了污水中Cl-、氨氮和COD对HSn70-1A铜腐蚀行为的影响。

    A research was conducted for the influences of Cl ~ - , ammonia and nitrogen , and COD on HSn 70-1 A copper tube corrosion behavior using the static rotary hanging lamella method .

  11. 通过模拟闭塞腐蚀电池试验及室内间浸挂片试验,对常用的Ni-Cr系和Mn系两类低合金船体结构钢的耐点蚀性能作了比较。

    The pit corrosion resistances of nickel-chromium series and manganese series low alloy structural hull steels were compared by simulating occluded corrosion cell tests and interval laboratory immersion corrosion tests .

  12. 室内腐蚀挂片试验和电化学性能测试结果表明,低磁钢的耐蚀性比3C钢要差;

    The result of laboratory exposure test and electrochemical test indicate that the corrosion resistance of low-magnetic steel is worse than that of 3C steel .

  13. 室内和实海挂片失重测试比较结果表明,海水流动能够加快A3钢在海水中的腐蚀速度,腐蚀初期尤其明显。

    Results of weight loss in lab and field site show that corrosion rate of A3 steel can be accelerated flow of seawater , especially in the initial stage .

  14. 通过实海长尺挂片及其它多种腐蚀试验,得出了Cr、Si、Cu和Mo复合添加能有效地改善钢在飞溅带耐蚀性能。

    Through the suspense of long samples in sea water and other various corrosion tests , it has been shown that Cr , Si , Cu and Mo added in steel can improve its corrosion resistance in splash zone effectively .

  15. 而模拟长期挂片条件的闭塞电池试验结果则表明,Ni-Cr系钢的耐点蚀性能比Mn系钢差。

    However , the results of the simulating occluded corrosion cell tests showed that the pitting resistance of nickel-chromium steels were lower than that of manganese steels when simulating long-term immersion corrosion test .

  16. 作者通过试样的实验室和现场挂片试验,证明用氧乙炔火焰喷涂Cu合金粉末是抗H2S应力腐蚀开裂(SSCC)的良好涂层。

    The authers have confirmed through the specimen laboratorial test ant the site test that spraying Cu alloy powder with oxygen-acetylene flame will deposit a satisfactory cladding against H2S stress corrosion cracking ( SSCC ) .

  17. 采用动态旋转挂片法考察了DPTT和苯并三唑(BTA)复配时对铜的缓蚀作用。

    The synergistic effect of DPTT and benzotriazole ( BTA ) as corrosion inhibitor for copper were investigated .

  18. 采用交流阻抗技术、动电位扫描技术、氧含量测量法、粘度测量法和静态挂片失重法等实验方法,探讨了部分水解聚丙烯酰胺对A3钢在油田污水中腐蚀的保护作用。

    The inhibition mechanism of HPAM on corrosion of A3 carbon steel in oilfield produced water was studied by methods of impedance , polarization curves , oxygen analyzer , viscosity and weight loss .

  19. 利用动态挂片装置、调温调湿箱和电化学仪器,通过改变磺化钻井液温度、流速、Cl-含量、腐蚀时间、磺化钻井液pH值和湿度等条件,考察了这些因素对钻具腐蚀速度的影响。

    Such influencing factors as sulfonated drilling fluid 's temperature , fluid velocity and Cl ~ - content , corrosion time , pH and moisture on corrosion rate were examined by the utilization of dynamic coupon , temperature and moisture control equipment and also electro chemical instrument .

  20. LT-21铝合金堆内挂片腐蚀研究

    Study on Corrosion of LT-21 Aluminium Alloy Samples Hung in Reactor

  21. 采用挂片失重法、极化曲线与静态阻垢法研究表明,以马铃薯淀粉为原料合成的氧化磷酸化淀粉(OPS),具有良好的缓蚀阻垢性能。

    Oxidized phosphated starch ( OPS ) was synthesized from the potato starch . Its anticorrosion and antiscaling properties were studied by weight loss , polarization curve measurement and static scale inhibition test .

  22. 在炼油厂的含H2S介质中,渗铝钢挂片的平均腐蚀速率为0.015~0.032mm/a,而A3钢为0.325~0.619mm/a。

    In H2S-containing environment of refineries , the mean corrosion rates of aluminized A3 steel specimens were 0.015 ~ 0.032mm/a vs. 0.325 ~ 0.619mm/a for As steel .

  23. 以环状生物膜挂片反应器(BAR)模拟实际管网,研究了有氯、无氯2种原水情况下,镀锌钢、铸铁、不锈钢、PE、UPVC5种管材上细菌的生长规律。

    The growth of the bacteria on 5 kinds of pipe material of galvanized steel , casting iron , stainless steel , PE and UPVC were studied using BAR reactor stimulant real pipe net under the conditions of 2 kinds of crude water with or without chlorine residuals .

  24. 通过不同条件下的失重和旋转挂片腐蚀试验,对1-羟基乙叉-1,1-二膦酸(HEDP)的溶锈性能进行了试验,对比评价了几组常用的酸洗缓蚀剂。

    The rust-dissolving performances of HEDP were studied and the several groups of corrosion inhibitors for acid washing were evaluated through weight loss experiments and coupon tests at different conditions .

  25. 采用静态挂片失重法、电化学评价法考察了YQ的缓蚀性能。结果表明,YQ能有效抑制饱和CO2盐水对A3钢的腐蚀。

    From the results of static weight-loss method , electrochemical polarization curve , it was shown that YQ could restraint the corrosion of A3 steel in the corrosion system of CO_2-saturated salt water .

  26. 实验表明:最佳磷化液中形成的膜层CuSO4点滴>30s,NaCl浸泡>6h,室内挂片90天无明显锈蚀。

    The experimental results showed that the film obtained in the optimum phosphating solution could be withstand CuSO 4 corrosion test more than 30 s and NaCl immersion test more than 6 h and the specimen was no obvious rust after hanging indoor for 90 days .

  27. 在不同的镀Zn体系中加入镧盐,用脉冲电流在A3钢表面电镀Zn薄膜,采用稳态法和静态挂片法(在20℃海水中)研究锌镀层的耐蚀性能;

    Pulse electroplate was used to produce zinc coatings on the surface of A3 steel substrate from various electrolytes of lanthanum . The corrosion resistance property of the zinc coatings was studied by the galvanostatic method and the static piece-hanging method in the artificial sea water of 20 ℃ .

  28. 通过动态挂片腐蚀实验、宏观和金相组织观察、SEM及能谱分析等方法对采用Cu-Zn钎料、Ag-Cu钎料、Cu-P钎料钎焊的无氧纯铜-低碳钢管钎焊接头的耐蚀性能进行了评价分析。

    Copper-zinc , silver-copper and copper-phosphorus brazing alloys are used in the brazing of mild steel pipe to copper pipe , and the corrosion resistance of brazed joints are evaluated using macroscopic observation , metallographic examination , dynamic corrosion test , SEM and EDX analysis .

  29. 联合装置在检修期间进行的腐蚀调查表明:常压分馏系统的初馏塔(材质Q235-B)腐蚀较轻,挂片腐蚀率为0。

    The corrosion survey for the complex unit during the turnaround finds out the minor corrosion in the primary distillation tower ( metallurgy : Q235-B ) with a coupon corrosion rate of0 .

  30. 加氢反应器在役挂片的材质劣化分析

    Material Degradation for the Test Blocks of Service Exposure to Hydrogenator