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- The development history of trivalent chromium passivation for zinc plating was overviewed. 概述了镀锌三价铬钝化的发展历程。
- 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；
- Trivalent chromium passivation possesses as good performance as hexavalent chromium passivation, but the toxicity related to trivalent chromium passivation is only one percent of the latter one. 三价铬钝化在许多方面具有与六价铬钝化类似的性质,而毒性只有六价铬的百分之一。
- With long term practice of zinc plating,we studied and obtained the good methods applied to the process maintenance for trivalent chromium passivation,and the methods for troubleshooting. 简述了三价铬钝化工艺条件及分析方法,并通过长期的生产实践,摸索出三价铬钝化中切实可行的工艺、维护管理方法及出现的钝化膜发雾、发黄、发花、不连续等故障产生的原因及排除措施。
- trivalent chromium passivation coating 三价铬钝化膜
- trivalent chromium passivation film 三价铬钝化膜
- I am going to rub up the chromium on the car. 我准备把汽车上的镀铬部件擦亮。
- This non sequitur invalidates his argument. 他不根据前提推理因而论证无效。
- Study of ablation resistance of non chromium plated firearm tubes treated by laser 激光处理不镀铬枪炮管提高抗烧蚀寿命的研究
- "Trivalent chromium passivation shall be used unless written exception or specification update provided." 要应用三价铬的钝化，有书面指出的例外或规格更新时除外。
- Patience is a sine qua non for a good teacher. 做个优秀教师必不可少的条件是要有耐心。
- The diplomat was declared persona non grata. 这位外交家被宣布为不受欢迎的使节。
- Keywords precipitant;coprecipitation;ammonium hydroxide;sodium hydroxide;non chromium iron based catalyst;oxidative dehydrogenation; 沉淀剂;共沉淀;氨水;氢氧化钠;无铬铁系催化剂;氧化脱氢;
- He is declared personal non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- Keywords zinc coating;trivalent chromium passivation;maintenance;troubleshooting; 镀锌层;三价铬钝化;维护管理;故障排除;
- Keywords trivalent chromium passivation;self-hoal ability;sealing treatment;zinc coating; 三价铬钝化;自愈能力;封闭处理;镀锌层;
- Keywords zinc plating;trivalent chromium passivation;sealer;nano-particle;corrosion resistance; 镀锌;三价铬钝化;封孔剂;纳米微粒;耐蚀性;
- I had had a few beers and was completely non compos mentis. 我喝了些啤酒就头昏脑胀了。
- He was declared persona non grata and forced to leave the country. 他被宣布为不受欢迎的人而被迫离开该国。
- We decided to declare them personae non grata. 我们决定宣布他们为不受欢迎的人。
