By confecting simulation corrosion solution of pressuring air cooler system of Maoming Petrification and using CMB-1510B portable instantaneous corrosion rate meter, the experimental inhibition efficiency of organic corrosion inhibitor of Na2S and its compound was evaluated.

在實(shí)驗(yàn)室模擬茂名石化加壓空冷器系統(tǒng)的腐蝕溶液，運(yùn)用CMB-1510B便攜式瞬時(shí)腐蝕速度測(cè)量儀評(píng)價(jià)了多硫化鈉復(fù)合緩蝕劑的緩蝕性能。

Production and operation of spiral steel pipe (spiral welded steel pipes, spiral welded pipe, Cangzhou spiral pipe, spiral pipe, spiral wound steel tube), seamless steel pipe, straight seam steel pipes, hot-rolled steel pipes, hot expanded steel pipe, welded steel pipe, galvanized steel pipe, galvanized pipe, pipe stress, anti-corrosion steel pipe, pipe insulation oil and gas 2PE/3PE polyethylene coating, FBE pipe anti-corrosion epoxy powder dissolved, epoxy coal tar pitch as if paint, pipe cement mortar lining anti-corrosion, black yellow jacket pipe insulation, flanges, elbows, big bend, three links, the size of a top tube.

生產(chǎn)經(jīng)營螺旋鋼管（螺旋縫焊接鋼管、螺旋焊管视色在线、滄州螺旋鋼管、螺旋管黄页视频在线高清观看免费、螺旋纏繞鋼管）农村妇女一级特黄大片、無縫鋼管、直縫鋼管曰韩无码二三区中文字幕视频、熱軋鋼管涩涩视频在线观看入口、熱擴(kuò)鋼管、焊接鋼管www我爱520ⅴa黄片、鍍鋅鋼管亚洲A级性爱视频、鍍鋅管、壓力鋼管欧美午夜在线观看视频高清、防腐鋼管免费黄色电影一级、保溫鋼管（石油天然氣2PE/3PE聚乙烯防腐層、FBE溶解環(huán)氧粉末鋼管防腐ww黄色一级视频、環(huán)氧煤瀝青仿佛涂料超乳爆乳在线观看免费、鋼管水泥沙漿襯里防腐、黑黃夾克保溫鋼管欧美日韩免费精品一、法蘭可乐无码Aⅴ在线视频、彎頭一级乱伦黄片、大彎国产视频不卡在线、三通、大小頭等管件免费观看黃色A片一级视频国产。

The results showed that two kind of SRB both shitted corrosion potentials to become much positive,but the variation of corrosion potentials caused by two kinds of SRB is different obviously,and thereby the difference of effect on corrosion was produced.

本文選取兩艘不同地區(qū)船舶艙底污水中的SRB国产用力CAO视频，研究了兩種不同形態(tài)的硫酸鹽還原菌對(duì)腐蝕的影響。1實(shí)驗(yàn)方法菌種來源99re6在线视频精品免费大秀。

The property of no film, micro-arc oxidation film and chromate film influenced the corrosion of joint samples which was analyzed in same corrosive conditions by calculate the corrosion effects and observe macro-photograph micro-photograph. The corrosive regularity influenced by corrosive condition factors and the corrosion resistance of different thickness of micro-arc oxidation film also be compared.

采用減重法計(jì)算連接腐蝕效應(yīng)并觀察試樣表面的腐蝕宏觀及微觀形貌国产一级AV免费，對(duì)比分析了無表面處理、鉻化處理及微弧氧化處理在相同鹽霧腐蝕條件下對(duì)減小鎂合金-鋼連接腐蝕作用的差異性以及鹽霧腐蝕條件參數(shù)對(duì)鎂合金-鋼連接腐蝕的影響規(guī)律欧美大肥婆性视频。

The effect of scandium addition on microstructure and corrosion properties of Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr alloy was investigated using optical microscope, scanning electron microscope, transmission electron microscope, intergranular corrosion and exfoliation corrosion.

通過金相顯微鏡免费在线播放黄片、掃描電鏡、透射電鏡插插国产视频、晶間腐蝕及剝落腐蝕等實(shí)驗(yàn)方法欧美激情性A片在线观看免费，研究鈧對(duì)Al-5.3Cu-0.8Mg-0.6Ag合金的組織和腐蝕性能影響。

The X-ray diffraction results of corrosion products and scanning electron microscopy analysis of corrosion surface were used to comparatively investigate the corrosion properties of Zn/Al coatings, and to study the self-sealing mechanism.

研究表明小度小度找个黄片看看，與純鋅aaaa欧美、純鋁涂層相比，對(duì)于鋼基體，鋅鋁復(fù)合涂層具有更加合適的陰極保護(hù)電位男人的精品在线观看，可以大大提高防護(hù)壽命欧美乱强伦视频；海水環(huán)境中涂層表面會(huì)形成一層致密穩(wěn)定的腐蝕產(chǎn)物膜，能有效阻止腐蝕介質(zhì)向涂層內(nèi)部的滲透精品毛片av一区二区在线，涂層會(huì)保持在一個(gè)較低的腐蝕速度黄片欧美性爱。

To realize a better control of corrosion rate, the operation without heat load was adjusted and more corrosion inhibitor synergist was added in addition to corrosion and scale inhibitor.

為較好地控制腐蝕速率，對(duì)不帶熱負(fù)荷的運(yùn)行配方進(jìn)行調(diào)整精品狼友视频在线播放，在投加緩蝕阻垢劑的基礎(chǔ)上增投緩蝕增效劑欧美XXXX欧美。

In this paper, based on the analysis of the effects of the structure of UASB reactors and the processes of reactions on corrosion, the corrosion mechanism is discussed, and three measures to prevent the corrosion of the UASB reactor are presented, I.e., improvement of the anticor rosion design, application of anticorrosion materials and preservative treatment of the equipment.

由于上流式厭氧污泥床UASB內(nèi)發(fā)生的反應(yīng)主要屬于化學(xué)過程和生物過程，因此UASB反應(yīng)器內(nèi)壁極易發(fā)生腐蝕欧美欧美一区，從而影響反應(yīng)效果污黄色片99精品人人操人人插，降低設(shè)備使用壽命，增加維護(hù)費(fèi)用在分析了上流式厭氧污泥床反應(yīng)器的結(jié)構(gòu)與工藝對(duì)腐蝕的作用的基礎(chǔ)上性爱在线视频不卡酷酷网，討論了腐蝕機(jī)理a片一级视频，提出了應(yīng)在改進(jìn)防腐設(shè)計(jì)、采用耐腐蝕材料和對(duì)設(shè)備進(jìn)行防腐處理等3個(gè)方面采取措施曰本a三级三级三级，從而防止UASB反應(yīng)器內(nèi)的腐蝕現(xiàn)象

Due to slope cable bears barely alternative load longtime in nature environment, it is easy to corrosion and wreck. Seriously, the bridge is possibility to collapse in strictness air empoison, water pollution, seashore and ocean surroundings. Therefore, to study cable's corrosion widely and to inhibit corrosion process are very important for increase endurance and safety of bridge construction.

由于斜拉索長期承受交變載荷并暴露于自然環(huán)境中欧美性爱AAAAA视频，特別是大氣污染嚴(yán)重地區(qū)、水污染嚴(yán)重地區(qū)国产精品日韩欧美在线第3页天美、海濱及海洋環(huán)境在线中文字幕亚洲日韩精品，極易發(fā)生腐蝕破壞，嚴(yán)重者還會(huì)因坍塌而造成生命及財(cái)產(chǎn)的巨大損失日本人妻久久二区视频观看，因此2020国产精品视频观看，全面研究橋梁拉索的腐蝕，阻斷腐蝕的成因中文字幕在线观看2022，對(duì)提高橋梁結(jié)構(gòu)的耐久性與安全性具有重要意義欧美性爱在线视频播放。

Hot corrosion behavior of Na2SO_4 coated B-1900 alloy was studied in air at 827 and 750℃.Corrosion kinetics of the coated alloy was gravimetrically measured,and contents of water soluble ions in the reaction products were chemically analyzed.X-ray diffraction and EMP techniques were employed to determine the components and morphology of the corrosion product scale.

用涂 Na_2SO_4鹽膜法研究高溫合金 B-1900在827℃和750℃于空氣中的熱腐蝕行為，測(cè)定其腐蝕動(dòng)力學(xué)曲線wwwxxxx69日本，用 X -射線衍射和電子探針元素面掃描方法分析腐蝕產(chǎn)物的相組成和成份中日韩欧美一级高清视频，還對(duì)其中的水溶性離子進(jìn)行化學(xué)定量分析。