另外，从相同站位上又选择了3个结核进行了全结核的常量和微量元素浓度测定。
In addition, 3 whole nodule samples selected from the same station were measured for concentrations of the major and trace elements.
报道了日本理学3080e3型x -射线荧光光谱仪在测定甜瓜样品常量和微量矿质元素中的应用。
Rigaku 3080e3 X-ray spectrometer was applied to the determination of major and trace mineral elements in muskmelon, calibration was made by using national plant standard reference materials.
本文报道1986～1987年对252例正常妊娠孕妇及其新生儿进行了头发和血清9种微量元素和常量元素的测定。
Between December 1986 and December 1987, the determinations of nine kinds: of trace and common elements in hair and serum of 252 normal pregnant women and their infants are reported.
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