It is difficult to define the detection limits obtained by chelation-solvent extraction . 确定螯合--溶剂萃取法所得到的检测限颇为困难。
This value represents the limit of quantitation for both ions 此值代表此两种离子的量检测限。
Standard practice for asbestos detection limit based on counts 基于计数的石棉检测限值标准实施规程
Polarograph quantitative detection limit 极谱仪定量检测限
Standard test method for limit of detection of fluorescence of quinine sulfate in solution 溶液中硫酸奎宁的荧光检测限值的标准试验方法
It is difficult to define the detection limits obtained by chelation - solvent extraction 确定螯合- -溶剂萃取法所得到的检测限颇为困难。
The lod and loq of diazepam in spiked hair samples were 0 . 09 and 0 . 14 ng / mg , respectively 在添加的头发样品中地西泮检测限和定量限分别为0 . 09和0 . 14纳克/毫克。
We recommend the use of analytical methods with lod set at level as low as practicable for dietary exposure studies 我们建议使用一些分析方法,尽量把检测限设至最低水平,以便研究从饮食中摄取到重金属的情况。
But the sensitivity of piezoelectric immunosensors still need to be improved in order to meet the requirement of morden analysis tecnique 但相对于现代生物分析技术低检测限,高灵敏度的要求,其性能仍有待提高。
We recommend the use of analytical methods with lod set at level as low as practicable for dietary exposure studies 我们建议使用一些分析方法,尽量把检测限设至最低水平,以便研究从饮食中摄取到重金属的情况。