Their corrosion inhibition action of stainless steel in hydrofluoric acid is studied by adsorption theory and electrochemical polarization-curve method,the mechanism of corrosion inhibition action is analyzed.the result shows that the single molecule layer of these compounds is adsorbed on the surface of the stainless steel and followed Langmuir isothermal equation. the adsorption procedure of propiolic alcohol is endothermic reaction, the adsorption ability and corrosion inhibition efficiency increased when temperature rised. The adsorption procedure of other three compounds are all exothermic reaction , the adsorption ability and corrosion inhibition efficiency decreased when temperature increased.

實驗結果表明：這幾種物質在不銹鋼表面產生單分子層吸附国产久久99，并且滿足Langmuir吸附規(guī)律国产综合一区二区三区精品，丙炔醇的吸附過程為吸熱反應成在线人免费视频一区二区，隨著溫度的升高久久这里只视频精品，吸附能力增強欧美生生活视频AAA，緩蝕率升高国产美女精品一区在线观看；其它三種化合物的吸附過程均為放熱反應，溫度升高91黄色毛片，吸附能力下降日韩图片高清中文字幕，緩蝕率降低。

It i s found that the aged sample suffered more severe corrosion than the unaged samp le.Corrosion type of the aged 310SS is intergrainular,whereas corrosion type of unaged 310SS is uniform.The formation of σ phase due to aging treatment at 700 ℃ for 1000h,reduced Cr content on boundaries in 310SS,which results in the de crease of corrosion resistance of 310SS.

結果表明：經時效處理的310不銹鋼比未時效處理者腐蝕嚴重亚洲小12呦哟网站，前者以晶間腐蝕為主欧美丰满熟妇大aqq，后者以均勻腐蝕為主。310不銹鋼于700℃官方免费黄色网，100 00 h時效后在晶界大量析出σ相国产精品午夜国产小视频，使晶界附近貧Cr，降低了其抗硫腐蝕性能h片欧美日韩。

Pit corrosion is a main kind of localized corrosion. The process of forming pit corrosion includes three stages-formation of pit source, development of pit cave and forming occluded corrosion cell. Molybdate series inhibitors can be inhibitive, for it can control three stages of pit development. First, there is apparent synergistic effect between molybdate and phosphate, which can suppress formation of pit source. Second, there is apparent passivation of molybdate inhibitor according to electrochemistry analysis, which let oxidation film in unoccluded cave repassivate.

首先成年网站在线观看播放器视频，鉬酸鹽與磷酸鹽或硅酸鹽復配的緩蝕劑具有較理想的緩蝕性能，并且有明顯的協(xié)同作用狼友视频在线观看2019高清，從而能抑制部分點蝕核的產生网色网站大全cao；其次，鉬酸鹽復配緩蝕劑的使用久久久久囯产，從電化學的角度分析日韩AⅤ网站免费怎么看，具有明顯的鈍化性能，且鈍化區(qū)間較寬日韩高清亚洲区、維鈍電流密度較小国产小视频激情，從而能使未封閉的蝕孔或點蝕核附近的氧化膜再鈍化，得到有效的修復我要看国产免弗一级黄色作爱色性作爱旡遮挡；最后在线你懂的亚洲国产，對于還有部分蝕孔發(fā)展成為閉塞腐蝕電池的情況，鉬酸鹽、磷酸鹽能進入蝕孔內部并且在酸性條件下生成鐵鉬磷酸鹽99爱久久爱国产视频在线，從而有效地減緩了點蝕的惡化久久裸体黄色一级毛片，抑制了腐蝕的發(fā)展。

Corrosion inhibitor JC-6 selected out of 9 commercial chemicals added at dosage 1.5% decreased the corrosion rate of 13Cr-L-80 coupled with N-80 at 60℃ to 0.012 and 0.165 mm/a respectively; JC-6 and PA in various combinations could decrease the corrosion rate further and in mass ratio 9:1 (notated as JCP-6) at dosage of 1.5% could decrease the corrosion rate of the two metals at 70℃ to 0.013 and 0.069 mm/a respectively.

從9種緩蝕劑中篩選出JC-6acc片毛片免费视频，在加量1.5%時日本特黄AAAAAAA大片，13Cr-L-80和N-80偶接、60℃時腐蝕速度分別降至0.012和0.165mm/a黄色成年人网站天堂版免费看；質量比為9：1的JC-6與PA復配物（代號JCP-6）使偶接鋼材腐蝕速度進一步降低成年人视频网站免费观看，在加量1.5%時，70℃時的腐蝕速度分別降至0.013和0.069mm/a国产综合色视频。

On the basis of atmospheric corrosion analysis and on the premise of unaltered originappearance of metal antiquity, a novel systematic technology of rust stabilized conversion and corrosioninhibition for archeological iron was developed in this thesis. Model occulted corrosion cell was used to studythe formation of bronze powder rust, its characteristics of pit corrosion and effect factors. The filmingtreatment of azoles composite corrosion inhibitors was used to prevent silver tarnishing, and its anti-tarnishingmechanism was proposed by measurement of electrochemical techniques and Surface-enhanced Ramanscattering.

在不改變文物原狀的前提下免费的黄色网站看，本文基于對金屬質文物大氣腐蝕過程的分析，發(fā)展了一種新的鐵器文物表面銹層穩(wěn)定轉化與緩蝕保護的系統(tǒng)處理方法啪啪啪免费视频网站，用&模擬閉塞電池&的方法研究青銅器文物&粉狀銹&的形成欧美操老女人视频、點蝕特征和影響因素，采用唑系復合緩蝕劑成膜處理技術防止銀器文物變色在线观看色污网站，利用電化學方法欧美视屏在线视频、SERS等方法研究并提出了唑系復合緩蝕劑防銀變色的作用機理。

Provinces and cities for many years the company has been appointed as "heavy contract, keep promise" enterprise,"AAA" credit enterprise and the "civilization of advanced unit" on behalf of projects in recent years has Baoqing Heilongjiang Power Plant cooling towers lining anti-corrosion plugging, Jiangsu Suqian power plant 100 m chimney slipform construction, Zhejiang Jiande chimney power plant 120 meters beacon preservative, Zhejiang Xiaoshan Power Company Limited, the main steel frame a new anti-corrosion, Shandong Rip Biochemical Co., Ltd.-owned power plant chimney 60 meters of new, Inner Mongolia Power Company Limited chimney brush color Central, Shaanxi society Cement Co., Ltd., limestone are color plates of the Treasury and the external walls of the installation of anti-corrosion and so on, as enterprises and institutions across the country to solve many difficult engineering construction of the anti-corrosion.

公司連續(xù)多年被省市命為&重合同亚洲无码高清播放黄色、守信用&企業(yè)国产欧美日韩区一区二，& AAA&資信企業(yè)和&文明建設先進單位&近年來代表工程有黑龍江寶清熱電廠冷卻塔內壁防腐堵漏，江蘇宿遷電廠100 米煙囪滑模施工好色资源站，浙江建德熱電廠 120 米煙囪航標防腐欧美五区，浙江蕭山新發(fā)電有限公司主體鋼架防腐，山東瑞普生化有限公司自備電廠 60 米煙囪新建超碰人人白浆国产五十，內蒙古發(fā)電有限公司煙囪刷色環(huán)97超人碰人人艹人人摸人人干，陜西社會水泥有限公司，石灰石均化庫彩鋼板安裝及外墻防腐等久久爱精品官网，為全國各企事業(yè)單位解決了不少高難度修建防腐工程这里有精品99。

Yancheng new large high-altitude anti-corrosion Co., Ltd. is a maintenance only high-altitude flying Yancheng operations and anti-corrosion construction of a dual-qualified enterprises, is a scientific research, high-altitude construction, installation, maintenance, anti-corrosion, waterproof plugging, fire blocking , concrete drilling, chemical anchoring, high-level cleaning as one of the joint-stock enterprise, has to undertake a variety of high-altitude maintenance, corrosion, plugging project 1000, which has tall and difficult works and national key projects, able to complete the outstanding mission has played a due role in professional firms.

鹽城市新大高空維修防腐有限公司是鹽城市唯一獲得高空懸掛作業(yè)和防腐蝕施工雙一級資質的企業(yè)，是一個集科研视频国产欧美视频XX、高空建筑天天日狠狠插、安裝、維修丝袜白浆无码亚洲一区二区、防腐人人干日日干人人操、防水堵漏、防火封堵美日韩男女精品视频在线、砼鉆孔uuu26视频、化學錨固性XXXX18禁免费观看视频、高層清洗為一體的股份制法人企業(yè)，先后承接了各類高空檢修亚洲第一页在线视频免费播放、防腐免费在线观看欧美、堵漏工程千項，其中有高大難工程和國家重點工程亚洲黄色视频三区，均能出色地完成各項任務一级欧洲性爱视频，發(fā)揮了專業(yè)公司應有的作用。

Inhibitor is a chemical species or admixture, which exists in the medium and can prevent from corrosion or retard corrosion. It is an effect method to use inhibitor to prevent metals and its alloys corrosion in environmental medium.316L stainless steel is an austenitic stainless steel consisting molybdenum, and its corrosion resistance was improved much than normal stainless steel.

緩蝕劑是一種以適當?shù)臐舛群秃托问酱嬖谟诃h(huán)境中時免费激烈网站，可以防止或減緩腐蝕的化學物質或幾種化學物質的混合物日本三级片久久，合理使用緩蝕劑是防止金屬及其合金在環(huán)境介質中發(fā)生腐蝕的有效方法。

Granular corrosion products, surface corrosion pits, cracked and spalled passivation films are observed. The size of the corrosion pits is around several tens to several hundred nm in depth. After long testing time, lots of granular corrosion products ranging 200 to 300 nm in diameter are observed on the surface.

由即時擷取之不銹鋼表面形貌影像發(fā)現(xiàn)A片在线观看噜噜噜久优，試片表面之平均粗糙度隨著浸泡腐蝕時間增加而變大免费C片在线网站；試片表面之鈍化膜亦被侵蝕破裂，試片表面之各種大小形態(tài)蝕孔亦能完整觀察亚洲激情图，蝕孔之深度自數(shù)十奈米至數(shù)百奈米不等。420SS於長時間浸泡腐蝕之后精品无码国产污污污免费，表面生成直徑約200至300奈米之顆粒狀腐蝕生成物刺激毛片免费视频录像。

The company sells aluminum alloy, steel, copper and aluminum compound, aluminum compound radiator elegant appearance of novel, surface treatment by phosphating using special plastic electrostatic spraying, spraying process is not rigorous to ensure that the spray does not blast off from, the Company Xinjin anti-corrosion treatment equipment within the vacuum will be filling three anti-corrosion materials, this technology to further enhance adhesion of anti-corrosion materials, eliminating the dead-end coating, the coating process to prevent the bubble wall formation enhances the adhesion within the anti-corrosion, greatly extended the radiator life.

本公司銷售的鋁合金，鋼質95午夜电影、銅鋁復合免费在线黄色网站视频、鋼鋁復合散熱器外觀新穎雅致，表面經磷化處理采用專用塑料靜電噴涂国产在线视频1，噴涂工藝嚴謹確保噴涂不脫落不爆起三级片精品视频，本公司新進內防腐真空處理設備將防腐材料三次灌裝，此工藝進一步提高防腐材料的附著力多人乱P过瘾视频免费，消除了涂裝死角chaopeng97，防止了涂裝過程中管壁氣泡的形成，增強了內防腐的附著力青青久操手机在线中文字幕，大大延長了散熱器的使用壽命国产一级A片AV在线。