前者铁含量高、镍含量较低，宜采用高压酸浸湿法冶金工艺处理；
The former with low Ni content and high Fe content which is suitable to high pressure acid leaching.
用四个串联漂洗槽使最终漂洗液中的镍含量降到0．9毫克／升。
Use of four sequential rinse tanks resulted in a nickel concentration of only 0.9 mg/1 in the final rinse.
提出用空气乙炔原子吸收光谱法进行电化学浸渍液乙醇溶液中镍含量的测定。
The air acetylene atomic absorption spectrometry is used for measuring the nickel content in hydrogen battery electrochemistry impregnate ethanol solution.
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