| 1. | 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。 |
| 2. | Passivation of galvanized steel by trivalent chrome 镀锌层三价铬钝化工艺的研究 |
| 3. | Blue - white trivalent chromating technology for electroplated zinc coating 镀锌层三价铬高耐蚀蓝白钝化工艺研究 |
| 4. | Study on three price chromium colored passivation technology of zinc - plated layer 镀锌层三价铬彩色钝化工艺研究 |
| 5. | Production of activated trivalent chromium and its role in the prevention of cancers 活性三价铬的制备生物活性及抗癌作用 |
| 6. | " 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。 |
| 7. | 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。 |
| 8. | The plating technique of trivalent chromium used now has many disadvantages such as low stability of solution , high cost of raw material 六价铬电镀工艺存在严重的环境污染问题,利用三价铬镀铬取而代之已经迫在眉睫。 |
| 9. | For the time being , there is still no perfect trivalent chromium plating technique having been used in industry in china . thus the research on trivalent chromium plating attracts many concerns 然而目前的三价铬镀铬工艺存在着镀液稳定性差、成本较高等缺点,使其成为电镀研究领域中的热点和难点之一。 |
| 10. | In this paper , the preparation of the source of chromium was explored . i lull cell test was used to have the research on the prescription of trivalent chromium plating solution by single factor test and orthogonal test 本文探索了新型廉价铬源的制备方法,并应用赫尔槽试验,对三价铬镀铬溶液的主要配方及成份进行研究。 |