三价

The company in Singapore, Germany, Japan and other countries of the plating process technology, with professional technical staff to provide you with electroless nickel plating, electroplating, silver, copper, zinc, chromium, copper alloys, and Sn-Zn ternary alloy trivalent chromium oxide such as surface treatment services.

本公司采用新加坡，德国，日本等国家的电镀工艺技术，配备专业的技术人员，为您提供化学镀镍，电镀银，铜，锌，铬，铜锡锌三元合金以及铝合金三价铬氧化等表面处理服务。

ELV and RoHS compliant process trivalent chromium passivate, an attractive yellow rainbow finish on zinc deposits, over 96 hours to white salt.

三价铬环保产品，环保产品符合ELV和RoHS指令，可在锌镀层表面形成彩色钝化膜。盐雾达96小时。

Methylated trivalent metabolites that are potent cytotoxins, genotoxins and enzyme inhibitors may contribute to the in vivo therapeutic effect of iAs〓.

甲基化的三价砷代谢产物具有更强的细胞毒性，基因毒性和对酶活性的抑制，并可能对As〓O〓在体内的治疗起了一定的作用。

This thesis compared the effect of Uracil, ITS, and ATP on the maturation of bovine oocytes and further development, observed the microstructure changes of oocytes and parthenogenetic embryos among different groups, and granule cell apoptosis among different groups.

本文对比了添加尿嘧啶和三价因子等试剂对牛卵母细胞成熟及后期发育的影响、观察了不同组之间成熟牛卵母细胞和孤雌激活胚胎显微结构变化和不同组之间颗粒细胞凋亡情况。

Release of ferric iron catalyzed the conversion of super oxide and hydrogen peroxide to the more toxic hydroxyl radical which has been shown to be an important mediator of ischemic brain edema.

三价铁释放，促使过氧化物和过氧化氢转化成毒性更大的羟自由基，这是缺血性脑水肿的一种更重要的递质。

Two carriers are likely to be used in paleotemperature reconstruction: carbonate and iron oxides.

在白垩系陆相红层古温度恢复过程中可能普遍使用两种载体：碳酸盐岩及三价铁氧化物。

ELV and RoHS compliant process, that an attractive yellow finish on Zinc deposits.

环保产品符合ELV和RoHS指令，无铬，在三价铬蓝色钝化后直接覆盖纯黄色保护膜。

The technology of Sargent has some problems,such as:low cathode current efficiency, bad throwing power and ability of covering,which brings harms to workers and circumstance pollution.

本工作研究的全硫酸盐体系三价铬镀铬基本上克服了上述缺点，镀液的分散能力、深镀能力好，电流效率高，所得镀层光亮度高。

Zinc Phosphate will render coating materials excellent rust-preventing performance and good resistance to water.

磷酸锌在三价铁离子具有很强的缩合能力，这种磷酸锌的根离子与铁阳极反应，可形成以磷酸铁为主体的坚固的保护膜，这种致密的纯化膜不溶于水、硬度高，附着力优异呈现出卓越的防锈性能，由于磷酸锌基因具有很好活性，能与很多金属离子作用生成络合物，因此，具有良好的防锈效果。

Better way to produce Cr III is to electrolyse !

较好的方法是通过电解来获得三价铬

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。