The geochemical behavior of thallium had definite particular characteristics , and there were some differences between soils and sediments .

铊的富集特征具有一定的特殊性，并且铊在土壤和沉积物中与其相应性质关系有较大差异；

This study also indicates that the thallium content in human hair is not the characteristic sign of thallium pollution .

此外，本次研究也表明人发中铊含量高低不是铊污染的特征标志。

Commercial test on recovering thallium from dust collected by ESP

从电尘中回收铊的工业试验

and that thallium deposits have characteristics of epithermal mineralization .

大多数铊矿床具有典型的低温成矿特征。

The thallium - 201 myocardial perfusion study showed positive finding and the result of treadmill exercise electrocardiogram was inconclusive .

他之前所做的铊-201心肌灌注检查有异常发现，而运动心电图检查则没有明确结论。