三价

Carol Pandak says tests found the new vaccine to be thirty percent more effective than the trivalent vaccine.

Carol Pandak表示，试验显示，新的疫苗效用超过三价疫苗的30%。

Trivalent metallic element of the rare earth group.

稀土属的三价金属元素，一种可延展的银白色铁磁体。

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。

Any of various salts containing the negative trivalent radical Fe6and used in making blue pigments.

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。

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。

Company's products are now available through the ISO9001: 2000 international quality management system and ISO14000: 2004 environmental management system certification, the use of trivalent chromium plating process, the quality has reached the European environmental standards.

公司产品现已通过ISO9001：2000国际质量管理体系及ISO14000：2004环境管理体系认证，采用三价铬电镀工艺，品质已达到欧洲环保标准。

Relating to compounds in which arsenic is trivalent.

关于含有砷的化合物，尤指含有三价砷。

A trivalent metallic element of the rare earth group; usually occurs in association with yttrium.

一种稀土属的三价金属元素，通常与钇共生。

The main point is to illustrate the effect of Uracil, ITS, and ATP on bovine oocytes'maturation.

旨在探讨成熟液中添加尿嘧啶和三价因子等试剂对牛卵母细胞成熟的影响。

All the observations above show that the mechanism of the gas sensitivity of nanocrystalline LaFeO3 films is closely related with the surface adsorption of oxygen and the changeable valance of iron.

通过测试和分析表明， LaFeO3 的敏感机理不仅与表面吸附氧相关，还与表面三价铁离子的变价有关。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。