Zn content was low and no Cu, Se, Cr, As, Pb, and Hg were found in all the waterworks′ samples we determined.
两种水源中锌的含量均不高，所有水厂出厂水中硒、铜、铬、砷、铅、汞均未检出。
Objective: To explore the relationship between poor vision of children and the content of Zn, Fe, Cr, Cu in their hair.
目的：探讨学龄儿童头发锌、铁、铬、铜含量与视力低下的相关性。
Hot-process phosphoric acid contains a little impurities which are mainly Pb and very little Zn, Cu, Ni, Mn, Cr and Cd.
热法磷酸中含有少量重金属杂质，主要是铅以及微量的锌、铜、镍、锰、铬和镉等。
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。
The samples of snail and hyacinth were digested by HNO_3-HClO_4, Cu, Zn, Ni, Cr were detected by flame AAS, and Pb, Cd by furnace AAS.
用硝酸-高氯酸体系消解螺蛳和水葫芦样品，采用火焰原子吸收光谱法测定铜、锌、镍、铬，用石墨炉原子吸收光谱法测定铅、镉。
TO Detect Cu, Zn, Pb, Cd, cr in fish and shrimp With Microwave Digestion and Wet Digestion by AAS.
分别用混合酸湿法消解和微波消解两种方法处理鱼虾样品，用原子吸收法测定样品中铜、锌、铅、镉、铬的含量。
The speciation analysis of the elements Cu, Zn, Pb, Cd, Cr and Arsenic was carried out among the surface sediment in different sea areas, different stations.
对不同海区、不同站位表层沉积物中Cu、Zn、Pb、Cd、Cr和As元素的各形态含量及分布特征进行了详细分析。
The speciation analysis of the elements Cu, Zn, Pb, Cd, Cr and Arsenic was carried out among the surface sediment in different sea areas, different stations.
对不同海区、不同站位表层沉积物中Cu、Zn、Pb、Cd、Cr和As元素的各形态含量及分布特征进行了详细分析。
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