| 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。
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| 2. | One relatively recent technique which has found some favor involves the inclusion of soluble trivalent antimony derivatives in the slurry during mixing .
一种比较近代的、人们好采用的技术是在混合过程中加入可溶性的三价锑衍生物。
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| 3. | Passivation of galvanized steel by trivalent chrome
镀锌层三价铬钝化工艺的研究
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| 4. | Dtwp vaccine - third dose polio trivalent vaccine - second dose
三型混合小儿麻痹剂-第二次
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| 5. | Polio trivalent vaccine - booster dose
白喉及破伤风混合疫苗-加强剂
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| 6. | Polio trivalent vaccine - first dose
三型混合小儿麻痹剂-第一次
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| 7. | 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
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| 8. | 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
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| 9. | Synthesis and indexes of x - ray powder diffraction data of the complex of thioglycolic acid and trivalent antimonyion
瑞香素稀土配合物的合成和性质
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| 10. | Construction and immunogenicity study of a trivalent dna vaccine candidate with ureb - nap - hpaa of helicobacter pylori
疫苗的构建及免疫原性初步研究
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