The DLLME technique showed the advantages of simplicity, rapidness, good recovery and high enrichment factor.
分散液液微萃取技术具有操作简单、快捷、富集效果好、回收率高等优点。
The enrichment factor of mainly absorbent element is also high under dust and sand weather conditions.
亲地壳元素中的主成分元素在有沙尘天气时，其富集因子也偏高。
It is proved that the high salinity is the advantageous factor for the high rank CBM reservoir enrichment and formation, whi...
研究认为高矿化度有利于高煤阶煤层气富集成藏，低矿化度是低煤阶煤层气的富集成藏的有利条件。
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