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 purification technology of Mg-Mn alloy sacrificial anode was studied and electrochemical properties and chemical composition of samples were tested.
通过高电位镁阳极的熔铸及成型工艺中的净化技术研究，对试验样品进行了化学成分和电化学性能测试。
The results showed that it is rich of trace elements such as Fe, Mn, Mg and Zn in bedding and the bedding meets the secondary standard of organic fertilizer, the pig-on-litter bedding is safe.
结果表明：生物床养猪垫料中含有丰富的铁、锰、镁、锌等微量元素，结合全国有机肥料品质要素分级标准，综合评定生物床养猪垫料符合二级有机肥的标准，生物床养猪垫料安全达标。
The results showed that Eclipta prostrate contained abundant elements of Ca, Mg, Mn, Fe, Zn and Cu, and there was difference of the content of trace elements in stems, leaves and flowers.
结果表明：鳢肠茎、叶和花中钙、镁、锰、铁、锌、铜含量丰富，茎、叶和花微量元素含量有差异。
And the order of element concentration was first n, next K, then Ca, P, Mg, Fe, Mn, Zn and Cu in order.
在元素含量的顺序上是氮最高，钾次之，随后依次为钙、磷、镁、铁、锰、锌、铜。
The content of Cr, Mn, Zn, Cu, Fe, Mg, ca in the cancer tissue and its peripheral tissue from 38 cases with large intestine carcinoma was determined by atomic absorption spectrometer.
用原子吸收光谱法测定了38例大肠癌组织及其边缘组织中铬、锰、锌、铁、镁、钙、铜的含量。
This plant growth regulator is composed of allantoin and salts containing Mg, Zn, B, Mn and Mo which are required for the growth of plant.
一种植物生长调节剂，它由尿囊素和含有作物生长所需的镁、锌、硼、锰和钼元素的盐类组成，具有生长调节、营养素和杀菌等多种功能。
The content of reducing sugar, K, Fe, Mn, Cu and Zn were higher, but that of nicotine, chloride ion and Mg were low in tobacco leaf.
烟叶还原糖、钾、铁、锰、铜和锌含量较高，烟叶尼古丁、氯离子和镁含量偏低。
The content of reducing sugar, K, Fe, Mn, Cu and Zn were higher, but that of nicotine, chloride ion and Mg were low in tobacco leaf.
烟叶还原糖、钾、铁、锰、铜和锌含量较高，烟叶尼古丁、氯离子和镁含量偏低。
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