镍

The preparation of nickelous sulfate and cobaltous chloride from slicing waste of Ni-Cralloy through a series of steps, such as acid dissolution, removal of iron and chrome,separation ofnickel and cobalt and so on, has been studied.

以镍钴合金切削废料为原料，通过酸溶、除铁、除铬、镍钴分离等一系列步骤，回收镍和钴，生产硫酸镍和氯化钴，通过试验确定了最佳工艺条件，并对经济效益进行了分析。

Technology for upgrading ferronickel and the possible separation of nickel and cobalt from ferronickel are also discussed.

介绍了生产超纯镍铁以及多种镍铁基合金的试验数据，同时也讨论了镍铁提纯工艺以及从镍铁中分离铜、钴的可能性。

The testing results showed that the optimal reduction conditions are 1320℃ for 120 min and the proportional mass fractions of activated carbon powder and the additive A are 3% and 5%, respectively. The additive A accelerates the aggregation of metallic grains so as to make the enriched metallic grains easier for magnetic separation. The mass fraction of maximum nickel in ferronickel alloy and nickel recovery in the laterite-nickel ore are 8.31% and 95.44%, respectively. Metallic nickel is thus enriched.

研究结果表明，最佳反应条件：还原温度为1320℃，还原时间为120min，还原剂与添加剂的质量分数分别为3%及5%；添加剂可促进金属晶粒的聚集，富集的金属晶粒更易于磁选分离；还原产品镍铁合金中镍的质量分数可达8.31%，矿石中镍的回收率可达95.44%，金属镍得到了富集。

Metal minerals consist of major pyrrhotite, pentlandite, chacopyrite, violarite and pyrite, with minor millerite, niccolite, magnetite, ilmenite and galena.

矿体的形态产状：似层状矿体、似板状矿体、脉状矿体、纯硫化物脉状矿体、上悬透镜状矿体、主要金属矿物有磁黄铁矿、镍黄铁矿、黄铜矿、紫硫镍矿、黄铁矿；次要矿物：针镍矿、红砷镍矿、磁铁矿、钛铁矿、方铅矿等。

Nitinol Nitinol is one of the most extraordinary metals to be discovered this century: A simple alloy of nickel and titanium, nitinol has some perplexing properties.

镍钛合金镍钛诺是这个世纪所发现的最不寻常的金属之一，作为镍和钛的简单的一种合金，镍钛诺具有一些令人惊叹的特征。

The nickelous chloride both may use in to galvanize, and is prepares the galvanization chemical thionamic acid nickel the important raw material, lead is affects the electronickelling quality a important attribute, in the present industry 331 ion exchange resin deleading effect still could not arrive in the electronickelling the lead content standard, used pocket weak basicity resin XSC312 after the screening experiment determination to take from the nickelous chloride solution intermediate ion exchange except the micro lead resin, inspected the material fluid pH value, the contact duration in the ionic exchange column to the ionic exchange adsorption lead influence, has determined the resin adsorption capacity and inspected the resin analysis performance.

氯化镍既可用于电镀，又是制备电镀化学品氨基磺酸镍的重要原料，其中的铅是影响电镀镍质量的一个重要因素，现行工业中的331离子交换树脂除铅效果尚不能到电镀镍中铅含量标准，经过筛选试验确定采用大孔弱碱性树脂XSC312作为从氯化镍溶液中离子交换除微量铅树脂，在离子交换柱中考察了料液pH值、接触时间对离子交换吸附铅的影响，测出了树脂的吸附容量并考察了树脂的解析性能。

In order to obtain the processing parameters of high speed depositing nickel film, experiment was undergone by metallic organic chemical vapor deposition with nickel carbonyl as precursor.

为了获得高速沉积镍膜的工艺参数，以羰基镍 [Ni 4 ]为前驱体，用金属有机物化学气相沉积法进行试验，以SEM ，DSC ，XRD测试分析技术探讨了载气、温度和羰基镍的摩尔分数对沉积速率的影响；也探讨了温度及羰基镍的摩尔分数对镍膜微观形貌的影响。

Jilin Jien is one of China's largest producers of nickel, copper and cobalt sulphates, as well as other nickel products including nickel matte, electrolytic nickel, nickel hydroxide and nickel chloride.

吉恩是中国最大的生产商的镍，铜和钴的硫酸盐，以及其他镍产品，包括镍，电解镍，氢氧化镍和氯化镍。

The condition for the in situ experiments is under Ni-rich situation so that the final phases of the formed silicides are all Ni-rich phases.

在此系统里，镍网可提供之镍原子远多於散布在镍网上矽奈米带所含之矽原子，因此所形成的镍矽化物奈米带都属於含镍较多的相。

The results show that the grain sizes of nickel platings prepared under different electrodeposition time slightly fluctuate at 21 nm.

结果表明，不同电沉积时间下制得的镍镀层晶粒尺寸在21 nm小幅波动；随着电沉积时间的延长，纳米晶镍镀层的显微硬度存在先增大后缓慢降低的趋势，最大值为472 HV0.01，对应的电沉积时间为16 m in；纳米晶镍镀层的微观形貌为累积长大的胞状结构，电沉积时间为1~4 m in时，胞状结构表面密布着粒径为90 nm左右的二次纳米镍颗粒；本试验制得的纳米晶镍镀层失稳长大的起始温度为283.7℃，峰值温度为311.4℃。

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。