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n.提煉物，提取劑...

extractant的音標(biāo)：extractant的英式發(fā)音音標(biāo)為：[?ks'tr?kt?nt]extractant的美式發(fā)音音標(biāo)為：[?ks'tr?kt?nt]...

The selectivity of extractant is high and only Au, Pd , Hg ete. are extracted.該萃取劑選擇性高,它僅萃取Au 、 Pd和Hg等幾種元素.An extractant - screening method with a vapor - liquid equilibrium apparatus in the extractive distillation was i...