对于ICP、AA和湿法化学分析手段，对于难溶样品，熔融方法同样是一种非常完美的制样手段。
This bead fusion method is a perfect sampling method for ICP, AA, as well as for indissolvable samples in wet chemical analysis.
化学分析表明，氮在样品中的分布是近似均匀的。
Chemical analysis suggested that nitrogen atoms were well distributed in the bulk of samples.
对西苕溪流域的土壤样品及部分太湖近岸表层底泥样品，进行了环境磁学测试与化学分析。
Soil samples in the Tiaoxi Catchment, mostly in West Tiaoxi Catchment, as well as some sediments in Taihu Lake, were collected and analyzed with magnetic properties and heavy metal concentrations.
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