Speciation of Zn, Mn, Fe, Ca, Mg in Ligusticum wallichii Franch was analyzed by atomic absorptionspectrometry.
利用原子吸收分光光度法对中药川芎中锌、锰、铁、钙、镁五种元素的形态进行了研究。
The results indicate that LCHA with Mn in place of Ni could gain the anticipated structure and performance.
结果表明，以锰代镍低碳高合金钢可以获得预期的组织与性能。
In this paper the authors described the characteristics of the rechargeable electrolyte of neutral Mn-Zn battery and its application in dry and wet battery charge and discharge.
本文提出中性锌—锰电池可充性电解液的配方特点，并阐述了将其用于湿电池和干电池的充放电情况。
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