必需微量元素 meaning in English
essential trace element
Examples
- On the basis of the investigation of the content and distribution of heavy metals in sediments and benthic organisms from the sewage stream in guangzhou city , the antagonistic effect of selenium on the harm of mercury ( hg2 + ) to the tissues in swordtail fish ( xiphophorus helleri ) , the 22nd offspring purely cultivated by pearl river fishery research institute , were measured by physiological and biochemical indexes and observation of electron microscopy
本研究中首先调查了广州市河涌沉积物及底栖生物体内重金属含量及分布，并以珠江水产研究所培育的水生实验动物?剑尾鱼为实验材料，利用环境生物技术，电镜观察等技术方法研究了重金属?汞对剑尾鱼组织的毒害及机体必需微量元素硒对其毒害的拮抗性影响。