【摘要】 为了对比分析青海不同地区野生抱茎獐牙菜中微量元素含量,采集花期抱茎獐牙菜全植株,采用原子吸收光谱仪分析了其铜、锌、铁、锰、钴、镍等元素含量。结果表明,不同地区野生抱茎獐牙菜中微量元素含量的变化可能与采样时间有关。更多还原

【Abstract】 In order to compare the change of the trace elements in wild Swertia franchetiana H.Smith.of several different districts in Qinghai province,the content of trace elements as copper,zinc,iron,manganese and cobalt was analysed by atom absorb spectrum instrument.The results show that the content of the trace elements change is related with the time of collected the wild Swertia franchetiana H.Smith.of the different districts in Qinghai province.更多还原