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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。

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。

A preparation method of nickel oxide-base cathode of fused carbonate fuel cell is to select alkali earth metal oxide, transition metal oxide and rare-earth metal oxide, mix with carbonyl nickel powder in the proportion of 0.01-15.00 mol%, add assistant and mix even into a slurry; after the slurry is formed into a biscuit by doctor-blade casting, sinter it into a multi-porous nickel plate; dissolve lithium nitrate and cobaltous nitrate with mole ratio of Li:Co-1:1 and citric acid or PVA in the distilled water to make a solution with Li of 0.00-0.5 mol/L; immerse the multi-porous nickel plate or nickel oxide plate in the solution, keep for 10-60 minutes under vacuum below 200 millibar, then dry in an oven at 75 degrees centigrade further transfer to a crucible electric furnace preheated 650 degrees centigrade for keeping the temp.

要約 熔融碳酸盐燃料电池氧化镍基阴极的制备方法属于燃料电池领域。选取碱土金属氧化物、过渡金属氧化物和稀土金属氧化物，按0.01－15.00mol％的比例与羰基镍粉混合，加入助剂，混合均匀成浆料；混合浆料流延成型为素坯后烧结为多孔金属镍板；将摩尔比为Li∶Co＝1∶1的硝酸锂和硝酸钴以及柠檬酸或聚乙烯醇溶于蒸馏水中，制成为0.005－0.5mol/L的溶液；将多孔金属镍板或氧化镍板浸入溶液中，在真空度低于200毫巴下保持10－60分钟；置于75℃的烘箱中烘干，转移至预热到650℃坩埚电炉中保温1－10小时；将此过程重复一次或多次即可。

Major produce High Efficient Environment Protection bright nickel、semi-bright nickel、black nickel、copper、pearl chromium、bright chromium、hard chromium、bright tin、brushed tin、Zinc-plating (blue、white、colour、black)、silver plating、oxide coatings of aluminium and its alloys、oxidation of magnesium alloy、electroless nickel plating、pickling passivation、archaistic colouring、phosphate coated.

主要生产承揽高效环保光亮镍、半光亮镍、黑镍、镀铜、珍珠铬、亮铬、硬铬、光亮锡、亚光锡、镀锌、镀银、铝及铝合金的氧化、镁合金的氧化、化学镀镍、酸洗钝化、仿古着色和磷化处理。

Metallic nickel powder is taken as a matrix; a chemical method is adopted to prepare a product required by cladding ferrites on the surface of the nickel powder; the mass ratio of the ferrites to the nickel compound powder is between 1 to 5 and 1 to 0.01; the grain diameter of the nickel powder is 0.5 to 5 microns; the ferrites are ferrites of spinel type or ferrites of magneto plumbite type.

以金属镍粉作为基体，采用化学方法在镍粉表面包覆铁氧体层制得所需产品，铁氧体与镍复合粉体的质量比为1∶5～1∶0.01，镍粉粒径为0.5～5μm，铁氧体为尖晶石型铁氧体或磁铅石型铁氧体。

The Company has been established for 20 years, and is continuously specialized in precise galvanization, coupling and lead frame galvanization, printed wiring board galvanization, hardware galvanization, nickel cobalt alloy electrolytic casting, profession products, and aluminum material surface treatment etc. Products include thionamic nickel sulfamate, cobalt sulfamate, nickel carbonate basic, cobalt carbonate basic, nickel acetate, and cobalt acetate etc.

公司成立20年来，一直为精密电镀、连接器与引线框架电镀、印刷电路板电镀、五金电镀、镍钴合金电铸、铝材表面处理等行业产品提供高品质的氨基磺酸镍、氨基磺酸钴、碱式碳酸镍、碱式碳酸钴、醋酸镍、醋酸钴等产品。

The amount of Ni and Cr released from specimens coated with gold was much fewer than those from unplated specimens (P .05), which meant the stability of Ni-Cr alloy on the surface was improved. The biocompatibilities of gold-coated Ni-Cr alloy were better than the uncoated alloy, though there was no difference in biological ranking.

说明其耐电化学腐蚀能力明显提高；镀金后镍铬合金试件的镍离子、铬离子析出量降低，表面稳定性有了显著性提高；无氰镀金法镀金的镍铬合金生物相容性良好，从数据上比较优于未镀金镍铬合金，但生物学评级上无显著性差异。

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 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℃。

The company's operating range: 1, barrel plating white zinc, color zinc, blue zinc, black zinc, yellow zinc,üzinc, nickel-plated roller, Qing-hong Gu, roll on behalf of chromium, etc.; 2, linked to light-plated nickel, bright chrome, sand nickel, pearl nickel, pearl envelope, Tsing ancient, red ancient, imitation gold, K gold, alluvial gold sweep, pearl silver, etc.; 3, plastic (ABS, PC, PC + ABS, PE, etc.), resin plating; 4, aluminum alloy oxidation, coloring; 5, printed circuit board plating, electronic plating (tin, tin aluminum, gold, etc.); 6, plating for customers to develop new varieties; 7, metal, injection molding.

荣丰公司的经营范围：1、滚镀白锌、彩锌、蓝锌、黑锌、黄锌、军绿锌、滚镀镍、青红古、滚代铬等；2、挂镀光镍、光亮铬、沙镍、珍珠镍、珍珠络、青古、红古、仿金、K金、扫沙金、珍珠银等；3、塑胶（ABS、PC、PC+ABS、PE等）、树脂电镀；4、铝合金氧化、着色；5、印制电路板电镀、电子电镀；6、为客户开发新电镀品种；7、五金、注塑加工。

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。