Corrosion characteristic of X70 pipeline steel in a high saliferous and alkaline soil environment, named Ku'erle soil, was investigated by burying tests both in lab and nature field, micro-morphology analyses and electrochemical polarization technique.

通過實(shí)驗(yàn)室和現(xiàn)場(chǎng)條件下的埋片實(shí)驗(yàn)，并結(jié)合微觀形貌分析和電化學(xué)極化技術(shù)人人人人插人人干人人操，研究了X70鋼在庫爾勒土壤環(huán)境中的腐蝕行為。

It's also particularly resistant to salt water corrosion, as well as hypo-allergenic--perfect for those with metal allergies.

它也特別耐海水腐蝕，以及防過敏-金屬過敏體質(zhì)的人與完美久久久久久久综合日本亚洲欧美。

The titanium surface is treated by sandblast, mechanical abrasion, chemical corrosion, etc, and activated before brush plating, so as to effectively improve the cohesion between titanium substrate and silver coating.

采用無氰電刷鍍銀溶液，通過對(duì)鈦基體進(jìn)行噴砂欧美快射视频合集、機(jī)械打磨综合在线免费观看三级视频一区二区、化學(xué)刻蝕等表面處理，電鍍前再經(jīng)過表面活化在线观看免费毛片，可有效地提高鈦基體與鍍銀層之間的結(jié)合力亚洲群体性爱视频。

We found corrosion after wafer sawn for one customer.

我們發(fā)現(xiàn)有一家客戶的晶圓在切割後有腐蝕，客戶給我們很多晶圓去切割国产精品女A片爽爽免费视频下载，我們的D/A

A 5. 5h anti-impinge test indicated that the whole technical process had a better anti-impinge ability The feasibility modeling test of water quality showed that the quality of reclaimed water after the treatment by the above process, when used as supplementary circular cooling water and boiler water, met the nation standards in the respect of corrosion, scaliness and bacteria breeding, and even better than the normally used cooling water.

以煉廠實(shí)際外排污水為原水九九免费视频网站，通過兩期水力負(fù)荷分別為0.2m3/h和0.5m3/h中試規(guī)模測(cè)試，當(dāng)本工藝處理水力負(fù)荷0.5m3/h一区精品在线、水力停留時(shí)間1.49h片毛视频在线观看网站，污水中COD欧美特黄A级高清免费大片A片l、氨氮、石油類色色色色色色色色色播播、懸浮物亚洲福利小视频、揮發(fā)酚的濃度變化分別為44.07～102.13mg/l、28.37～50.01mg/l538视频在线免费观看、4.68～19.36mg/l黄页网站免费49vvcom、7.2～34.5mg/l、0.14～0.31mg/l時(shí)精品国产免费污网站入口，平均去除率分別達(dá)到94％国产无码专区视频、96.1％、91.9％国产精av、98.2％色婷婷综合在线、100％，出水各項(xiàng)指標(biāo)均符合循環(huán)水補(bǔ)充水水質(zhì)要求99久久99这里只有视频精品视频；且通過5.5h抗沖擊實(shí)驗(yàn)結(jié)果顯示国内激情网站，整體工藝具有較強(qiáng)的抗沖擊能力。

In 3.5% NaCl solution, the stress corrosion cracking properties of a new Al-Mg-Cu alloy containing scandium were examined. The composition and the micro-morphology of the crack tip were analyzed.

摘 要：對(duì)3.5%NaCl溶液中新型含鈧Al-Mg-Cu合金的應(yīng)力腐蝕開裂宏觀性能進(jìn)行測(cè)試www,se，并對(duì)裂紋尖端的成分與微觀形貌進(jìn)行分析久久国产AV人人做人人爽。

Effects of scandium addition on the microstructure and properties of Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr (mass fraction,%) alloy were investigated using optical microscope, scanning electron microscopy and transmission electron microscopy, tensile testing and intercrystalline corrosion testing.

通過金相、掃描電鏡久久艹视频、透射電鏡国产精品视频久久、性能測(cè)試等實(shí)驗(yàn)方法，研究了Sc對(duì)鑄態(tài)Al-5.3Cu-0.8Mg-0.6Ag-0.2Zr合金的組織和性能影響97国产一区二区精品久久呦。結(jié)果表明啊v在线观看亚洲国产，添加0.10 %～0.5 % Sc后，在室溫到300 ℃測(cè)試范圍內(nèi)1024在线观看精品视频，合金的室溫拉伸強(qiáng)度操视频网站在线免费观看、高溫耐熱性能及晶界腐蝕性能得到了改善。

The influence of lacking strength of materials and screw thread are treated in this paper, as well as corrosion questions on complicated project situation.

本文從材料黄色网站三级免费一品、環(huán)境和磨損三個(gè)方面對(duì)石油氣井套管鉆柱失效原因進(jìn)行了分析五月天97超碰精品在线。

Corrosion Behaviors of Q235 in sea-shore salt soil with different water contents were studied by EIS technique.

利用電化學(xué)阻抗譜研究了Q235在不同含水量濱海鹽土中的腐蝕行為。

First, the water pump mechanical seal ring on the surface of metal corrosion.

第一精品国产一区二区在线观看，水泵的機(jī)械密封上金屬環(huán)表面均勻腐蝕狼色行动在线视频。