稀土转化膜,rare earth conversion coating
1)rare earth conversion coating稀土转化膜
1.Study on rare earth conversion coating on aluminium alloy by electrochemical deposition;铝合金表面电解沉积稀土转化膜工艺研究
2.In this paper,the forming technological process of rare earth conversion coating on AZ 31 magnesium alloy is preliminarily studied.分析了不同的成膜工艺参数(稀土盐的质量浓度、成膜时间、成膜温度)对稀土转化膜的形成以及耐蚀性能的影响。
3.The effect of rare earth conversion coatings P5 and SRE on SCC behavior of LC4 aluminium alloy in 3.利用慢应变速率试验(SSRT)等方法研究了P5和SRE稀土转化膜处理对LC4铝合金在3。
英文短句/例句

1.Rare Earth Metal(REM) Conversion Coating on Aluminum 20242024 铝合金表面混合稀土转化膜的研究
2.Effects of H_2O_2 on Rare Earth Conversion Coating on AZ 31 Magnesium AlloyH_2O_2对AZ 31镁合金稀土转化膜的影响
3.Study on Cerium-Based Conversion Caoting of Aluminum Alloy by Electrochemical Depodition and the Film's Corrosion Resistance;阴极电沉积稀土转化膜工艺与耐蚀性研究
4.Study on Preparation and Corrosion Resistance of Rare Earth Conversion Coating for Aluminum铝合金表面稀土转化膜的制备及耐蚀性研究
5.Research on Microstructure and Corrosion Properties of Cerium Conversion Coating on Al-Li AlloyAl-Li合金稀土转化膜结构与耐蚀性能研究
6.Review on the Progress of Rare Earth Conversion Coatings for Surface Modification of Metals稀土转化膜在金属材料表面改性中的研究进展
7.Molybdate Pro-teatment for Rear Earth Conversion film on LF21 Aluminum Alloy to Improve Corrosion ResistanceLF21铝合金稀土转化膜的开裂及其钼酸盐后处理
8.Study on Formation Mechanism and Performance Improvement of Rare Earth Conversion Coatings on Aluminum Alloy;铝合金表面稀土转化膜的成膜机理及其性能改善研究
9.Preparation and Properties Studies of Rare Earth Conversion Coating on Bio-Medical AZ31B Magnesium Alloy生物医用AZ31B镁合金表面稀土转化膜的制备及其性能研究
10.Study of technology for rare earth conversion coating on AZ31 magnesium alloyAZ31镁合金稀土转化成膜工艺研究
11.Effect of Rare Earth Chloride on Weight and Grain Size of Phosphating Coating稀土氯化物对磷化膜层晶粒及膜重的影响
12.Preparation and Performance Study on Rare Earth Passivation Films of H62 Copper Alloys;H62铜合金稀土钝化膜制备及性能研究
13.Neodymium Doping Effect on Nano-Films of Tin Dioxide;纳米二氧化锡薄膜的稀土钕掺杂效应
14.Preparation of Rare Earth Light Conversion Agents and Their Application in Agricultural Films;稀土转光剂的制备及其在农膜中的应用研究
15.Preparation and Performance of Light Conversion Film Containing Rare-Earth Sm~(3+)含钐稀土离子转光农膜的制备及其性能研究
16.THE EFFECT OF EARTH OXIDE DOPING ON THE PHASE TRANSFORMATION AND PROPERTIES OF TiO_2-SiO_2 FILMS稀土掺杂对TiO_2-SiO_2薄膜晶相转变及性能的影响
17.Study on hydrochloric acid recovery from chloride solutions of rare earth by vacuum membrane distillation减压膜蒸馏从稀土氯化物溶液中回收盐酸
18.Study of Electroless Co-Ni-P Alloy Films with Rare Earth Element Cerium Addition;稀土铈介入化学沉积钴—镍—磷合金薄膜的研究
相关短句/例句

Rare-earth conversion film稀土转化膜
1.Rare-earth conversion film was obtained on surface of zinc alloy by immersion process.利用化学转化法在锌合金表面获得稀土转化膜,研究了处理液的浓度,pH,温度,添加剂(苯骈三氮唑与氢氟酸)的含量及处理时间等因素对膜层耐蚀性的影响,利用失重法,电化学等方法评价了膜的耐蚀性。
3)REM conversion coating稀土转化膜
1.The corrosion resistance of REM conversion coatings was examined by salt solution immersion test and cyclic anodic polarization curves.介绍了 Al60 61 /Si CP复合材料表面稀土转化膜工艺。
2.The progress and current situation in research of rare earth metal(REM) conversion coating technologyon aluminum alloys are reviewed; The possible formation mechanism of REM conversion coating is introduced : The formation of the film centers on the precipitation of the canons of REM and OH~- obtained from reduction reaction of O_2 onthe surface of aluminum alloy.本文评述了铝合金表面稀土耐蚀转化膜这一技术在国内外的研究进展及研究现状;介绍了这种转化膜形成的可能机理:膜是由稀土阳离子和由氧还原生成的OH-在铝合金表面通过生成沉淀而形成的;介绍了膜的耐腐蚀机理:膜的存在抑制了O_2和电子在铝合金表面和溶液之间的扩散和迁移,使腐蚀的动力消失;指出了稀土转化膜处理技术目前阶段存在的并且有待深入研究的问题。
4)Rare-earth elements conversion coatings稀土表面转化膜
1.The rare-earth elements conversion coatings can improve the anticorrosion of steel sheets,its technology mainly adopts chemical dipping;rare-earth elements are beneficial to anode oxidation of steel sheets:they can strengthen the ability of anode oxidation o.论述了稀土在汽车钢板表面处理中的应用及研究进展,尤其是汽车钢板稀土表面转化膜技术和稀土对汽车钢板阳极氧化的影响两方面。
5)rare earth conversion稀土转化
1.The rare earth conversion coating technology of magnesium alloys has been developing as an environmental-friendly surface treatment technology for magnesium alloys.镁合金稀土转化膜技术是一种环保型镁合金表面处理新技术。
6)Oxide rare earth thin film稀土氧化物薄膜
延伸阅读

构型转化  当旋光化合物(见旋光异构)分子发生化学反应时,如果试剂进攻手征性基团,则生成产物的构型(见分子的构型)往往与原分子的构型相反,即由R构型变成S构型或由S构型变成R构型,这种转化仅指发生反应的手征性基团部分。通常,在双分子亲核取代反应(见亲核反应)中几乎都发生构型转化,例如在卤代烃的水解反应中:     OH-总是从卤素的反方向进攻碳原子,生成含有五配位体的中间过渡态,这时RR′R″处于与OH、X基成垂直的平面上。当卤原子离开时,则RR′R″基翻转过来,产物就转化为与原物相反的构型。