水样中微量元素的测定是研究元素迁移的一项基础工作。
The measurement of trace elements in water samples is a fundamental laboratory work for element transport in both soil and runoff.
对不同方法炮制的肉苁蓉进行了肝脾脱氧核糖核酸合成率以及金属微量元素的测定分析。
The synthetic rate of DNA in the liver and spleen and metallic microelements have been determined for the different preparations of Herba Cistanches.
对46例脑血管疾病、53例慢支肺气肿或并感染患者进行了头发微量元素的测定及讨论。
The hair trace elements of 46 cases of cerebrovascular diseases and 53 cases of chronic bronchitis or chronic obstructive emphysema were determined.
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