CUSDT固相微萃取管可以从痕量或微量浓度把目标分析物提取出来。
Target analytes can be sampled from trace to neat concentrations using the CUSDT SPME syringe.
用于克劳斯工艺计算表明，该程序使用灵活，计算稳定、收敛性好、不受微量浓度的影响。
The calculation used for Claus technology shows that this program is flexible to use, stable to calculate and not affected by micro-concentration and has a good convergent.
不同地区地下水的微量元素浓度差异与气候状况、土地利用程度密切相关。
Differences in the concentration of trace elements are related to the climatic conditions and land use of the area.
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