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- One such crystal is the ruby, which contains trivalent chromium ions dispersed in a matrix of alumina. 这样的晶体有一种叫“红宝石”，它包含的三价铬离子弥散在氧化铝的基体中。
- One such crystal is the ruby, which contains trivalent chromium ions dispersed in a matrix of alumina 这样的晶体有一种叫“红宝石”，它包含的三价铬离子弥散在氧化铝的基体中。
- Study on disposing phenol-containing wastewater by trivalent chromium ion modified bentonite 铬离子改性膨润土处理含苯酚废水的研究
- trivalent chromium ions 三价铬离子
- The history of trivalent chromium electroplating was looked back. 回顾了三价铬镀铬的历史。
- The hazards of hexavalent chromium electroplating, and the benefits of trivalent chromium electroplating were analyzed. 分析了六价铬电镀的危害及三价铬电镀的优点,以及三价铬电镀取代六价铬电镀带来的效益。
- 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 major advantages and disadvantages of trivalent chromium electroplating were introduced. 介绍了三价铬镀铬的主要优点与缺点。
- The chromium deposition velocity of trivalent chromium electroplating was researched. 对三价铬电解液镀铬的沉积速度进行了实验研究。
- Hexavalent chromium is the most toxic form, the toxicity of trivalent chromium than 100 times. 六价铬是毒性最大的形态，其毒性比三价铬高100倍。
- The method of chemical deoxidization was used to treat electroplating wastewater which contains chromium ions, and sodium pyrosulfite was used as reducing agency. 采用化学还原法处理含铬离子污水，焦亚硫酸钠作还原剂。
- Plasma nitriding of AISI316 austenitic stainless steel in the condition of chromium ion immersion. 在铬离子淹没AISI316奥氏体不锈钢的条件下进行离子渗氮,研究了渗层的组织、结构和耐磨性能。
- The mechanisms and prospect of trivalent chromium plating were introduced.And some problems that should be deeply studied were pointed out. 还介绍了三价铬电镀的机理及展望，并提出了有待深入研究的问题。
- Trivalent chromium electroplating not only can reduce pollution obviously and save pollution treatment cost, but also can improve the quality of electroplating products. 三价铬电镀不仅可明显减少电镀对环境的污染,节省大量的污染治理费用,而且还可提高电镀产品的质量。
- The dependence of VMD performances on the membrane material and membrane pore sizes resulted mostly from different oxidation ability of hexavalent chromium and trivalent chromium. 详细考察了两种膜材料在减压膜蒸馏技术分离含铬溶液过程中的应用性能，发现由于溶液中六价铬和三价铬的氧化性不同，从而对膜材料和膜孔径的要求也有所不同；
- After trivalent chromium was oxidized and became hexavalent chromium, titanium can be precipitated and separated from chromium-nickel-vanadium solution under ammonia condition. 在一定条件下使三价铬氧化成6价铬,再在氨性条件下使钛沉淀,大量铬、镍留在溶液中。
- 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；
- The increase of adsorption temperature was also found to enhance the removal for adsorbing chromium ion and lead ion, whereas it had no effect for adsorbing copper ion and cadmium ion. 吸附铬离子和铅离子时，吸附温度上升会提升吸附效能，但在吸附铜离子和镉离子的情况下，则完全没有效应。
- 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。
