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- Theory and practice are shown that the passivated film is a kind of gelatiniform combination film containing chromate and phosphate because it was formed by chromatising and phosphatizing reaction. 实践和理论表明,所形成的钝化膜实际上是铬酸钝化反应和磷化反应的有机结合,它是一种凝胶的铬酸盐和磷酸盐复合型钝化膜。
- The passivated film is gradually formed and improved during the process of desalination, and the process agrees well with the positive shift of steel potential and the increase of RC value. 脱盐处理改变了钢样表面的微观结构组成,脱盐后钢样表面再钝化膜的形成是一个不断完善的过程且该过程与电位正移以及RC值的提高具有一致性。
- The photoresponse of anodic-formed iron oxide passive film is similar to that of thermal-formed with some differences. 阳极形成铁钝化膜的光电响应与热形成氧化铁的相类似, 但有一定差别。
- The experimental results indicate that it has a good cleaning effect and action of making passivation film. 经垢样试验和清洗应用,该清洗剂对热力设备所形成的垢物有良好的清洗效果和钝化镀膜作用。
- The results showed that the passive film was generated on the surface of X70 steel in Na2CO3/NaHCO3 solutions. X70钢电化学行为与应力腐蚀相关性研究的结果表明:X70钢在Na2CO3/NaHCO3溶液中,表面生成钝化膜,在特定的电位和应力条件下,会发生阳极溶解型应力腐蚀破裂。
- That was infinitely better than his last film. 这比他上一部电影不知胜过多少倍。
- It is indicated that the passive film was broken down by the absorption of chloride ion from feedwater on its surface, resutling in pitting. 结果表明:给水中氯离子含量严重超标,由干它的吸附作用破坏了局部表面保护膜,形成点蚀源;给水中氧含量超标,使炉管发生氧致腐蚀,使蚀点加深,甚至穿孔。
- The effects of the components of trivalent chrome passivation bath on the appearance and corrosion resistance of the passivating film are investigated. 三价铬蓝白钝化对环境污染小,但钝化液成分较复杂,钝化膜耐蚀性及外观不如六价铬钝化膜。
- The results show that appropriate blackening agent and addition of phosphate both can improve the appearance of the passivation film. 结果表明:发黑剂对膜层外观影响较大,选择不当可使膜层发花、挂灰;钝化液中添加磷酸(盐)能够显著改善黑色膜层外观。
- Based on the physical model that an oxide or a passive film is self-repaired and metal dissolves self-catalytically,a mathematical model for metal's dissolution current is set up. 在氧化膜(或钝化膜)自修复和金属自催化溶解的物理模型基础上建立了金属溶解电流的数学模型。
- It also was studied to increase the corrosion resistance of blue-white passivation film of zinc plating on the premise of not improving the chromium content in plating. 介绍了如何提高镀锌低铬蓝白钝化的耐蚀性能,探讨了在不提高钝化膜含铬量的前提下,增加镀锌层蓝白钝化的耐蚀性能。
- The corrosion resistance of Sn-Zn alloy is further improved in this paper by means of molybdate passivation and the passivation film is analysed by AES and XPS techniques. 本文采用钼酸盐钝化处理,可进一步提高合金的耐蚀性;用AES和XPS方法对钝化膜进行了分析,并对钝化膜的性质和耐磨性进行了讨论。
- The converting film obtained by hydrofluoric acid treatment has better protection for the body of magnesium alloy.It's feasible to electroplate Al on MgF2 passivation film. 结果表明,氢氟酸处理得到的氟化镁转化膜对镁合金基体有较好的保护作用,在氟化镁钝化膜上电镀铝是可行的。
- Manganate and organic compound are,as composite passivation film,simultaneously acted on chromium-free passivation of galvanized sheet,then giving the optimal formula. 研究了锰酸盐与有机物复合作用用于镀锌板无铬钝化的最佳配方,应用极化曲线和交流阻抗的方法测试了镀锌层锰酸盐有机复合钝化膜在0。
- She has a book full of cuttings about her film. 她有一本书贴满了关于她的一些影片的剪报。
- He has composed a suite of music for the film. 他为该电影配写了一套乐曲。
- The trivalent chromium passivation film based on zincate plating obtained has compact structure with no obvious crack, and excellent anticorrosion performance. 结果表明:锌酸盐镀锌层的三价铬钝化膜表面结构致密、无明显裂纹,具有较好的耐腐蚀性能;
- A chromium-free passivating technology for zinc plating was developed, and the effects of passivating solution and process conditions on the passivation film were studied. 开发了一种无铬无毒的环保型镀锌层钝化工艺,通过试验研究了钝化液成分和工艺条件对钝化膜的影响情况。
- MG-011 is compounded with metal passivator and surface conditioning agent.Can form passivation film on metal surface, seal activity points of metal surface, prevent rusted. MG-011系由金属钝化剂、表面调整剂等复配而成,可在金属表面形成良好的钝化膜层,封闭金属表面的活动点,阻止其生锈。
- That film creates an atmosphere of menace. 那部影片营造出吓人的气氛。