镍

Optimal pretreatment conditions of electroless nickel plating for magnesium were decided by many experiments. Phosphoric acid technology was used to instead of acid processing by chromium trioxide and ferric chloride, and excellent coating was obtained by using dipped zinc, cyanide copper, nickel as medium.

通过多次试验确定了镁及镁合金的前处理方案，以磷酸洗的方法代替传统的铬酐加三氯化铁酸洗浸蚀的前处理工艺，配置简单，操作方便，以浸锌层、氰化铜层和中性镍层作为化学镀中间层，得到了结合力良好的化学镀镍层，获得了镁合金表面处理的新突破。

It is especially suitable to separation of cobalt and nickel from chloride solution with high concentration of nickel and low concentration of cobalt by extraction with quaternary ammonium chloride.

对氯离子浓度较低的料液，季铵比叔胺更优越，特别适合从高镍低钴的低浓度氯化物介质中萃取分离钴、镍。

Chemical raw materials: include a variety of plating materials and metal surface treatment agent: sodium such as tin, stannous chloride, pyrophosphate Asian tin, copper sulfate, nickel acetate, copper acetate, nickel fluoride, cobalt sulphate, acetic acid cobalt, hydrofluoric acid, anion exchange resin, cation exchange resin, scale inhibitors, cleaning agents, detergents,the phosphating agent, plate washer water, with the exception of Prince agents, rust removal agent, the American Iron and Steel room temperature blackening agent, on behalf of behalf of the black-white (open cylinder agents, supplements), and alloys such as gun color..

二。化工原料：包括各种电镀原料及金属表面处理剂：如锡酸钠、氯化亚锡、焦磷酸亚锡、硫酸铜、醋酸镍、醋酸铜、氟化镍、硫酸钴、醋酸钴、氢氟酸、阴离子交换树脂、阳离子交换树脂、阻垢剂、清灰剂、除垢剂、创辉的磷化剂、洗板水、除腊剂、除油除锈剂、美国的钢铁常温发黑剂、代白代黑、枪色黑合金等。

Therefore, the nickel impurity in the chromium-plating bath was determined using spectrophotometry, which was based on the reaction between nickel ions and diacetyldioxime, generating a red complex, in the presence of alkali and ammonium per-sulfate. The measurement was carried out in 3cm color-matching cells at a wavelength of 510nm, using the sample without chromogenic agent as the reference.

在碱性和过硫酸铵存在的条件下，镍离子与丁二酮肟生成水红色配合物，利用这一特性，以丁二酮肟光度法测定镀铬溶液中镍杂质的含量，以不加显色剂的试样作参比液，用3cm比色皿，在波长510nm处测定。

Chemical raw materials: The main raw materials include a variety of electroplating and metal surface treatment agent, such as acetic acid in the Czech Republic, nickel, copper acetate, nickel fluoride, cobalt sulfate, cobalt acetate, hydrofluoric acid, Yunnan tin sodium, Taiwan's Ya-tin pyrophosphate, oron the anion exchange resin, cation exchange resin, scale inhibitors, cleaning agents, detergents,the phosphating agent, plate washer water, with the exception of the Prince of water, oil derusting water, the United States steel at room temperature blackening agent, on behalf of behalf of the black-white (open cylinder agents, supplements), and alloys such as gun color.

六、化工原料：主要包括各种电镀原料及金属表面处理剂，如中捷的醋酸镍、醋酸铜、氟化镍、硫酸钴、醋酸钴、氢氟酸、云南的锡酸钠、台湾的焦磷酸亚锡、奥龙的阴离子交换树脂、阳离子交换树脂、阻垢剂、清灰剂、除垢剂、创辉的磷化剂、洗板水、除腊水、除油除锈水、美国的钢铁常温发黑剂、代白代黑、枪色黑合金等。

This paper discussed the existing fractions of nickel in natural soil, transformation of nickel fractions in soil and the effect of organic chelators on phytoextraction and biomass.

本文讨论了土壤中镍的存在形态以及有机螯合剂对土壤中镍形态的影响，并从植物吸收Ni的机制出发，阐述有机螯合剂对植物吸收Ni和植物生物量的影响，分析了植物修复的螯合诱导技术的一些局限性，并对植物修复螯合诱导技术提出展望。

The influence of irradiation manner of a YAG pulsed laser on the microstructure and cracking behavior of claddings was characterized.

采用Nd：YAG固体脉冲激光器，在镍基高温合金上激光熔敷镍基自熔合金，对激光多次辐照条件下熔敷层的开裂问题进行了探索性研究。

The enhance nient of the corrosion resistance laser dadoling of the CNTs/Ni60 coatings is due to that the reserved carbon nanotubes in the coatings segregate the corrosive medium and promote N-based alloy passivation, the formed phases of the carbide and the reserved carbon nanotubes homogenous distribution in the claddings resist die corrosion.

碳纳米管／镍基激光熔覆层耐腐蚀的原因在于熔覆层保留的碳纳米管使熔覆层更加致密，隔离了腐蚀介质，促进了镍基合金的钝化，从而提高了熔覆层的耐蚀性；同时，熔覆层中保留下来的碳纳米管和被分解的碳纳米管与金属基体形成碳化物，作为增强相均匀弥散在熔覆层中，它们的存在阻止了腐蚀坑的长大，因而蚀坑较小，耐腐蚀性得到提高。

We think that the former maybe is metallic nickel colloids and the latter nonmetallic nickel clusters.

我们认为前者可能是金属性镍胶体，而后者可能是非金属性镍团簇。

High sensitive instrument neutron activation analysis is connected with highefficient nickel sulphide fire assay technique to establish the method for determing platinum group element s in geological materials.

将镍锍试金法同高灵敏度的仪器中子活化分析相连接，建立了铂族元素的镍锍试金中子活化方法。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。