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1·Monodispersed NiO precursor particles were prepared by homogeneous precipitation from nickel nitrate solution in the presence of urea.

采用尿素均相沉淀法制得了均分散的氧化亚镍前驱体粒子。

2·Type 732 cation exchange resin was added in nickel bath to separate nickel ions and other cations, boric acid and chloride ions were then separately titrated by sodium hydroxide and silver nitrate.

采用732型阳离子交换树脂分离镍及其它阳离子后，分别用氢氧化钠和硝酸银滴定硼酸和氯离子。

3·One of the many ways to prepare nickel oxide is to start from the nitrate.

其中一个办法，准备氧化镍是从硝酸盐。

4·A new combustion synthesis method, the glycine-nitrate process, has been used to prepare complex oxide ceramic powders of strontium-substituted lanthanum nickel.

用甘氨酸硝酸盐燃烧合成法，制备镧锶镍复合氧化物的陶瓷粉末。